* doc/c-ppc.texi (PowerPC-Opts <-nops>): Clarify.
[binutils.git] / gold / ChangeLog
blob0313619bcf7a8e5fc3e5637f4feb55ed1bcc4471
1 2011-02-09  Ian Lance Taylor  <iant@google.com>
3         PR gold/12316
4         * object.h (class Sized_relobj): Remove clear_local_symbols.
5         * reloc.cc (Sized_relobj::do_relocate): Don't call
6         clear_local_symbols.
8 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
10         * plugin.cc (is_visible_from_outside): Return true for symbols
11         in the -u option.
13 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
15         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
16         filename.
18 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
20         * icf.h (is_section_foldable_candidate): Change type of parameter
21         to std::string.
22         * icf.cc (Icf::find_identical_sections): Change type of local variable
23         section_name to be std::string.
24         (is_function_ctor_or_dtor): Change type of parameter to std::string.
26 2011-01-25  Ian Lance Taylor  <iant@google.com>
28         * script.cc (script_add_extern): Rewrite to use
29         add_symbol_reference.
31 2011-01-25  Doug Kwan  <dougkwan@google.com>
33         * icf.cc (get_section_contents): Always lock section's object.
35 2011-01-24  Ian Lance Taylor  <iant@google.com>
37         * options.h (class General_options): Accept
38         --no-detect-odr-violations.
40 2011-01-24  Ian Lance Taylor  <iant@google.com>
42         * version.cc (version_string): Bump to 1.11.
44 2011-01-24  Ian Lance Taylor  <iant@google.com>
46         * plugin.cc (class Plugin_rescan): Define new class.
47         (Plugin_manager::claim_file): Set any_claimed_.
48         (Plugin_manager::save_archive): New function.
49         (Plugin_manager::save_input_group): New function.
50         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
51         necessary.
52         (Plugin_manager::new_undefined_symbol): New function.
53         (Plugin_manager::rescan): New function.
54         (Plugin_manager::rescannable_defines): New function.
55         (Plugin_manager::add_input_file): Set any_added_.
56         * plugin.h (class Plugin_manager): define new fields rescannable_,
57         undefined_symbols_, any_claimed_, and any_added_.  Declare
58         Plugin_rescan as friend.  Declare new functions.
59         (Plugin_manager::Rescannable): Define type.
60         (Plugin_manager::Rescannable_list): Define type.
61         (Plugin_manager::Undefined_symbol_list): Define type.
62         (Plugin_manager::Plugin_manager): Initialize new fields.
63         * archive.cc (Archive::defines_symbol): New function.
64         (Add_archive_symbols::run): Pass archive to plugins if any.
65         * archive.h (class Archive): Declare defines_symbol.
66         * readsyms.cc (Input_group::~Input_group): New function.
67         (Finish_group::run): Pass input_group to plugins if any.
68         * readsyms.h (class Input_group): Declare destructor.
69         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
70         any.
72 2011-01-10  Ian Lance Taylor  <iant@google.com>
74         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
75         section as relro.
76         (Layout::set_segment_offsets): Reset increase_relro before calling
77         set_section_addresses a second time.
79 2011-01-04  Cary Coutant  <ccoutant@google.com>
81         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
82         sections before NOBITS sections.
84 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
86         * version.cc (print_version): Update copyright to 2011.
88 2010-12-23  Cary Coutant  <ccoutant@google.com>
90         * output.h (Output_data_reloc::add_output_section): Pass OD instead
91         of OS to this->add.  Add OD parameter to second form of the function.
93 2010-12-20  Ian Lance Taylor  <iant@google.com>
95         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
96         second of two consecutive entries with same offset.
98 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
100         * testsuite/Makefile.am (ifuncmain2static_LDADD)
101         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
102         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
103         to avoid unneeded links against $(LDADD).
104         * testsuite/Makefile.in: Regenerate.
106 2010-12-15  Ian Lance Taylor  <iant@google.com>
108         PR gold/12324
109         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
110         for R_X86_64_32 and R_X86_64_PC32.
111         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
112         ver_matching_def_pic.o.
113         (ver_matching_def_pic.o): New target.
115 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
117         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
118         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
119         Move definition before File_read::View member definitions.
120         (File_read::View::~View): Initialize and hold lock before
121         updating current_mapped_bytes.
123 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
125         * dwarf_reader.cc: Remove outdated comment.
126         * gold-threads.cc: Fix typo in error message.
127         * archive.cc: Fix typos in comments.
128         * archive.h: Likewise.
129         * arm-reloc-property.cc: Likewise.
130         * arm-reloc-property.h: Likewise.
131         * arm-reloc.def: Likewise.
132         * arm.cc: Likewise.
133         * attributes.h: Likewise.
134         * cref.cc: Likewise.
135         * ehframe.cc: Likewise.
136         * fileread.h: Likewise.
137         * gold.h: Likewise.
138         * i386.cc: Likewise.
139         * icf.cc: Likewise.
140         * incremental.h: Likewise.
141         * int_encoding.cc: Likewise.
142         * layout.h: Likewise.
143         * main.cc: Likewise.
144         * merge.h: Likewise.
145         * object.cc: Likewise.
146         * object.h: Likewise.
147         * options.cc: Likewise.
148         * readsyms.cc: Likewise.
149         * reduced_debug_output.cc: Likewise.
150         * reloc.cc: Likewise.
151         * script-sections.cc: Likewise.
152         * sparc.cc: Likewise.
153         * symtab.h: Likewise.
154         * target-reloc.h: Likewise.
155         * target.cc: Likewise.
156         * target.h: Likewise.
157         * timer.cc: Likewise.
158         * timer.h: Likewise.
159         * x86_64.cc: Likewise.
161 2010-12-09  Cary Coutant  <ccoutant@google.com>
163         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
164         stack.
165         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
166         parameter; change all callers.
167         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
168         * options.h (warn_execstack): New option.
170 2010-12-07  Doug Kwan  <dougkwan@google.com>
172         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
173         like function call relocations.
175 2010-12-07  Ian Lance Taylor  <iant@google.com>
177         * archive.cc (Archive::get_elf_object_for_member): Permit
178         punconfigured to be NULL.
179         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
180         (Archive::include_member): Pass NULL to get_elf_object_for_member
181         if we searched for the archive and this is the first included
182         object.
184 2010-12-01  Ian Lance Taylor  <iant@google.com>
186         * dwarf_reader.h (class Sized_dwarf_line_info): Add
187         track_relocs_type_ field.
188         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
189         Set track_relocs_type_.
190         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
191         contents when using RELA relocs.
192         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
193         reloc_map_.
194         * reloc.cc (Track_relocs::next_addend): New function.
195         * reloc.h (class Track_relocs): Declare next_addend.
197 2010-12-01  Ian Lance Taylor  <iant@google.com>
199         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
200         virtual destructor.
202 2010-12-01  Ian Lance Taylor  <iant@google.com>
204         * README: Update compilers known to work and fail.
206 2010-11-23  Matthias Klose  <doko@ubuntu.com>
208         * configure.in: For --enable-gold, handle value `default' instead of
209         `both*'.  Always install ld as ld.bfd, install as ld if gold is
210         not the default.
211         * configure: Regenerate.
213 2010-11-18  Doug Kwan  <dougkwan@google.com>
215         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
216         and right_alignment to be zero.  Store result alignment only if it is
217         greater than existing alignment.
219 2010-11-16  Cary Coutant  <ccoutant@google.com>
221         PR gold/12220
222         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
223         Check for ".zdebug_line".
225 2010-11-16  Doug Kwan  <dougkwan@google.com>
226             Cary Coutant  <ccoutant@google.com>
228         * output.h (Output_segment::set_section_addresses): Pass increase_relro
229         by reference; adjust all callers.
230         * output.cc (Output_segment::set_section_addresses): Adjust references
231         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
232         list is empty.
233         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
234         end at page boundary.
236 2010-11-16  Cary Coutant  <ccoutant@google.com>
238         PR gold/12220
239         * layout.cc (Layout::choose_output_section): Transform names of
240         compressed sections even when using a script with a SECTIONS clause.
241         (Layout::output_section_name): Remove code to transform
242         compressed debug section names.
243         * output.cc (Output_section::add_input_section): Use uncompressed
244         section size when tracking input sections.
246 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
248         * symtab.h (Symbol::NON_PIC_REF): Remove.
249         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
250         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
251         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
252         (Symbol::use_plt_offset): Take a flags argument and pass it
253         directly to needs_dynamic_reloc.  Restrict check for undefined
254         weak symbols to function calls.
255         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
256         (Target_arm::Scan::global): Use it.
257         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
258         (Target_arm::Relocate::relocate): Likewise.
259         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
260         parameter with an r_type parameter.  Use get_reference_flags
261         to get the flags.
262         (Target_arm::Relocate::relocate): Update accordingly.
263         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
264         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
265         (Target_i386::Scan::global): Likewise.
266         (Target_i386::Relocate::relocate): Likewise.
267         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
268         parameter with an r_type parameter.  Use get_reference_flags
269         to get the flags.
270         (Target_i386::Relocate::relocate): Update accordingly.
271         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
272         (Target_powerpc::Scan::global): Use it.
273         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
274         (Target_powerpc::Relocate::relocate): Likewise.
275         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
276         (Target_sparc::Scan::global): Use it.
277         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
278         (Target_sparc::Relocate::relocate): Likewise.
279         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
280         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
281         (Target_x86_64::Scan::global): Likewise.
282         (Target_x86_64::Relocate::relocate): Likewise.
284 2010-11-08  Doug Kwan  <dougkwan@google.com>
285             Cary Coutant  <ccoutant@google.com>
287         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
288         (Arm_exidx_merge_section::section_contents_): New data member.
289         (Arm_input_section::Arm_input_section): Initialize original_contents_.
290         (Arm_input_section::~Arm_input_section): De-allocate memory.
291         (Arm_input_section::original_contents_): New data member.       
292         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
293         in parameters instead of calling Object::section_contents without
294         locking.
295         (Arm_output_section::group_section): New parameter TASK.  Pass it
296         to callees that need locking objects.
297         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
298         to lock EXIDX input sections.  Fix a formatting issue.  Call
299         Arm_exidx_merged_section::build_contents to create merged section
300         contents.
301         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
302         to lock object of stub table owner.
303         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
304         TEXT_SIZE to initialize data member TEXT_SIZE_.
305         (Arm_exidx_input_section::addralign): Fix typo in comment.
306         (Arm_exidx_input_section::text_size): New method.
307         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
308         that require locking objects.  Lock objects before scanning for stubs
309         and updating local symbols.
310         (Arm_input_section<big_endian>::init): Copy contents of original
311         input section.
312         (Arm_input_section<big_endian>::do_write): Use saved contents of
313         original input section instead of calling Object::section_contents
314         without locking.
315         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
316         size without calling Object::section_size().
317         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
318         for size.  Allocate a buffer for merged EXIDX entries.
319         (Arm_exidx_merged_section::build_contents): New method.
320         (Arm_exidx_merged_section::do_write): Move merge section contents
321         building code to Arm_exidx_merged_section::build_contetns.  Write
322         out contetns in buffer instead of building it on the fly.
323         (Arm_relobj::make_exidx_input_section): Also pass text section size
324         to Arm_exidx_input_section constructor.
325         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
326         (Arm_dynobj::do_read_symbols): Fix memory leak.
327         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
328         * target.h: (class Task): Add forward declaration.
329         (Target::relax): Add new parameter TASK and pass it to
330         Target::do_relax().
331         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
333 2010-11-05  Cary Coutant  <ccoutant@google.com>
335         PR gold/10708
336         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
337         object when reading from the file.
338         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
339         second layout pass.
340         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
341         when reading section contents.
342         (get_section_contents): Likewise.
343         (icf::find_identical_sections): Likewise.
344         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
345         object when reading from the file.
346         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
347         the object when doing deferred section layout.
349 2010-11-03  Nick Clifton  <nickc@redhat.com>
351         PR gold/12001
352         * script.h (class Symbol_assignment: name): New member.  Returns
353         the name of the symbol.
354         * scrfipt.cc (Script_options::is_pending_assignment): New member.
355         Returns true if the given symbol name is on the list of
356         assignments wating to be processed.
357         * archive.cc (should_incldue_member): If the symbol is undefined,
358         check to see if it is on the list of symbols pending assignment.
360 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
362         * script-sections.cc (Script_sections::find_memory_region): Check
363         for a NULL output section pointer.
365 2010-10-29  Doug Kwan  <dougkwan@google.com>
367         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
368         Output_section::add_relaxed_input_section.
369         * output.cc (Output_section::add_relaxed_input_section): Add new
370         arguments LAYOUT and NAME.  Set section order index.
371         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
372         Copy section order index.
373         * output.h (Output_section::add_relaxed_input_section): Add new
374         arguments LAYOUT and NAME.
376 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
378         * testsuite/Makefile.am: Move gcctestdir/ld rule to
379         NATIVE_OR_CROSS_LINKER.
380         * testsuite/Makefile.in: Regenerate.
382 2010-10-20  Doug Kwan  <dougkwan@google.com>
384         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
385         without SHF_LINK_ORDER flags.
386         * layout.cc (Layout::choose_output_section): Do not filter
387         SHF_LINK_ORDER flag in a relocatable link.
389 2010-10-17  Cary Coutant  <ccoutant@google.com>
391         * output.h (Output_segment::set_section_addresses): Change function
392         signature.  Update all callers.
393         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
394         sections.
395         (Output_segment::set_section_addresses): Align after last TLS
396         section.  Add padding before last relro section instead of after.
398 2010-10-17  Doug Kwan  <dougkwan@google.com>
400         * gold/arm.cc (Target_arm::got_section): Use correct order and set
401         GOT output section to be writable.
403 2010-10-14  Cary Coutant  <ccoutant@google.com>
405         * debug.h (DEBUG_INCREMENTAL): New flag.
406         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
407         * gold.cc (queue_initial_tasks): Check parameters for incremental link
408         mode.
409         * incremental.cc (report_command_line): Ignore all forms of
410         --incremental.
411         * layout.cc (Layout::Layout): Check parameters for incremental link
412         mode.
413         * options.cc (General_options::parse_incremental): New function.
414         (General_options::parse_no_incremental): New function.
415         (General_options::parse_incremental_full): New function.
416         (General_options::parse_incremental_update): New function.
417         (General_options::incremental_mode_): New data member.
418         (General_options::finalize): Check incremental_mode_.
419         * options.h (General_options): Update help text for --incremental.
420         Add --no-incremental, --incremental-full, --incremental-update.
421         (General_options::Incremental_mode): New enum type.
422         (General_options::incremental_mode): New function.
423         (General_options::incremental_mode_): New data member.
424         * parameters.cc (Parameters::incremental_mode_): New data member.
425         (Parameters::set_options): Set incremental_mode_.
426         (Parameters::set_incremental_full): New function.
427         (Parameters::incremental): New function.
428         (Parameters::incremental_update): New function.
429         (set_parameters_incremental_full): New function.
430         * parameters.h (Parameters::set_incremental_full): New function.
431         (Parameters::incremental): New function.
432         (Parameters::incremental_update): New function.
433         (Parameters::incremental_mode_): New data member.
434         (set_parameters_incremental_full): New function.
435         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
436         incremental link mode.
437         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
438         (Sized_relobj::do_relocate_sections): Likewise.
439         * testsuite/Makefile.am (incremental_test): Use --incremental-full
440         option.
441         * testsuite/Makefile.in: Regenerate.
442         * testsuite/incremental_test.sh: Filter all forms of --incremental.
444 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
446         * script-sections.h (class Script_sections): Make
447         Sections_elements typedef public.
448         * script-sections.cc (class Sort_output_sections): Add elements_
449         field.  Add constructor which sets it; change all callers.
450         (Sort_output_sections::is_before): New function.
451         (Sort_output_sections::operator()): Call is_before.
452         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
453         conditional.
454         * testsuite/script_test_10.sh: New test. Test script section
455         order.
456         * testsuite/script_test_10.t: Likewise.
457         * testsuite/script_test_10.s: Likewise.
458         * testsuite/Makefile.am: Wrap the cross linker tests and the
459         common tests into NATIVE_OR_CROSS_LINKER.
460         (check_SCRIPTS): Add script_test_10.sh.
461         (check_DATA): Add script_test_10.stdout.
462         (script_test_10.o, script_test_10): New targets.
463         (script_test_10.stdout): New target.
464         * configure, testsuite/Makefile.in: Regenerate.
466 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
468         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
469         error for the deprecated relocations.
470         (Target_arm::Scan::global): Likewise.
471         (Target_arm::Relocate::relocate): Likewise.
473 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
475         * fileread.cc (Input_file::find_file): Initialize *found_name
476         and *namep when using the fallback search for case 4.
478 2010-10-11  Cary Coutant  <ccoutant@google.com>
480         * options.h (class General_options): Redefine -z lazy as an alias for
481         the negation of -z now.
483 2010-10-11  Ian Lance Taylor  <iant@google.com>
485         * resolve.cc (symbol_to_bits): Report the value of the unsupported
486         binding.
488 2010-10-06  Nick Clifton  <nickc@redhat.com>
490         * script-sections.cc(class Memory_region): Remove
491         current_lma_offset_ field.  Rename current_vma_offset_ to
492         current_offset_.  Add last_section_ field.
493         (Memory_region::get_current_vma_address): Rename to
494         get_current_address.
495         (Memory_region::get_current_lma_address): Delete.
496         (Memory_region::increment_vma_offset): Rename to
497         increment_offset.
498         (Memory_region::increment_lma_offset): Delete.
499         (Memory_region::attributes_compatible): New method.  Returns
500         true if the provided section is compatible with the region.
501         (Memory_region::get_last_section): New method.  Returns the last
502         section to use the region.
503         (Memory_region::set_last_section): New method.  Stores the last
504         section to use the region.
505         (Script_sections::block_in_region): New method.  Returns true if
506         a block of memory is contained within a region.
507         (Script_sections::find_memory_region): New method.  Locates a
508         memory region to be used to set a VMA or LMA address.
509         (Output_section_definition::set_section_addresses): Add code to
510         check for addresses set by memory regions.
511         (Output_segment::set_section_addresses): Remove memory region
512         walking code.
513         (Script_sections::create_segment): Add a warning if a header
514         segment is created outside of any region.
515         * script-sections.h (class Script_sections): Add prototypes for
516         find_memory_region and block_in_region methods.
517         * testsuite/memory_test.s: Use .long instead of .word.
518         * testsuite/memory_test.t: Add some more output sections.
519         * testsuite/memory_test.sh: Update expected output.
521 2010-10-02  Doug Kwan  <dougkwan@google.com>
523         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
524         defintion to symtab.h
525         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
526         declaration to defintion.
528 2010-10-01  Nick Clifton  <nickc@redhat.com>
530         * expression.cc (eval): Replace dummy argument with NULL.
531         (eval_maybe_dot): Check for a NULL result section pointer.
532         (Symbol_expression::value): Likewise.
533         (Dot_expression::value): Likewise.
534         (BINARY_EXPRESSION): Likewise.
535         (Max_expression::value): Likewise.
536         (Min_expression::value): Likewise.
537         (Absolute_expression::value): Likewise.
538         (Addr_expression::value_from_output_section): Likewise.
539         (Loaddddr_expression::value_from_output_section): Likewise.
540         (Segment_start_expression::value): Likewise.
541         * script-sections.cc
542         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
543         argument with NULL.
544         (Sections_elememt_dot_assignment::set_section_addresses):
545         Likewise.
546         (Output_data_expression::do_write_to_buffer): Likewise.
547         (Output_section_definition::finalize_symbols): Likewise.
548         (Output_section_definition::set_section_addresses): Likewise.
550 2010-09-30  Doug Kwan  <dougkwan@google.com>
552         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
554 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
556         * target.h (Target::can_icf_inline_merge_sections): New virtual
557         function.
558         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
559         virtual function.
560         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
561         virtual function.
562         * icf.cc (get_section_contents): Inline merge sections only when
563         target allows it.
565 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
567         * configure: Regenerate.
569 2010-09-17  Ian Lance Taylor  <iant@google.com>
571         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
572         * testsuite/Makefile.am (memory_test.o): New target.
573         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
574         memory_test.t.
575         * testsuite/Makefile.in: Rebuild.
577 2010-09-17  Doug Kwan  <dougkwan@google.com>
579         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
580         defintion if relocation uses GOT entries of the symbol.
581         * testsuite/icf_safe_test.sh: Fix test.
582         * testsuite/icf_safe_so_test.sh: Fix test.
584 2010-09-16  Cary Coutant  <ccoutant@google.com>
586         * script_sections.cc (class Memory_region): Remove "NULL" from
587         vector initializations.
589 2010-09-15  Cary Coutant  <ccoutant@google.com>
591         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
592         Resolve forwarding symbols.
594 2010-09-15  Doug Kwan  <dougkwan@google.com>
596         * gold/testsuite/script_test_3.t: Add ARM special sections.
597         * gold/testsuite/script_test_4.t: Same.
598         * gold/testsuite/script_test_5.t: Same.
599         * gold/testsuite/script_test_6.t: Same.
600         * gold/testsuite/script_test_7.t: Same.
601         * gold/testsuite/script_test_7.t: Same.
602         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
604 2010-09-14  Cary Coutant  <ccoutant@google.com>
606         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
607         (Target_x86_64::Relocate::relocate_tls): Replace check for
608         saw_tls_block_reloc_ with test for executable section.
610 2010-09-12  Cary Coutant  <ccoutant@google.com>
612         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
613         position-independent executables to shared libraries need dynamic
614         relocations.
615         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
616         position-independent executables.
617         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
618         * testsuite/Makefile.in: Regenerate.
620 2010-09-10  Nick Clifton  <nickc@redhat.com>
622         PR gold/11997
623         * testsuite/memory_test.t: Discard any sections that are not
624         needed.
626 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
628         PR gold/11996
629         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
630         "This::" to work around a bug in gcc 4.2.
632         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
634 2010-09-09  Rafael Espindola  <espindola@google.com>
636         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
637         sections with different PF_X flags in the same segment.
638         (Layout::find_first_load_seg): Search all segments to find the first
639         one.
640         * options.h (rosegment): New.
642 2010-09-08  Rafael Espindola  <espindola@google.com>
644         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
646 2010-09-08  Doug Kwan  <dougkwan@google.com>
648         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
649         (Arm_relobj::do_relocate_sections): Add new parameter for output
650         file to match the parent.
651         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
652         of local symbols instead of input values.  Update code to track
653         changes in gold::relocate_section.
654         * object.cc (Sized_relobj::compute_final_local_value): New methods.
655         (Sized_relobj::compute_final_local_value_internal): New methods.
656         (Sized_relobj::do_finalize_local_symbols): Move code from loop
657         body into private version of Sized_relobj::compute_final_local_value.
658         Call the inline method.
659         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
660         merged symbol value if there is one.
661         (Symbol_value::has_output_value): New method defintiion.
662         (Sized_relobj::Compute_final_local_value_status): New enum type.
663         (Sized_relobj::compute_final_local_value): New methods.
664         (Sized_relobj::compute_final_local_value_internal): New methods.
665         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
666         and arm_cortex_a8.sh.
667         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
668         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
669         New tests.
670         * Makefile.in: Regenerate.
671         * testsuite/arm_bl_out_of_range.s: Update test.
672         * testsuite/thumb_bl_out_of_range.s: Ditto.
673         * testsuite/thumb_blx_out_of_range.s: Ditto.
674         * testsuite/arm_branch_out_of_range.sh: New file.
675         * testsuite/arm_cortex_a8.sh: Ditto.
676         * testsuite/arm_cortex_a8_b.s: Ditto.
677         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
678         * testsuite/arm_cortex_a8_b_local.s: Ditto.
679         * testsuite/arm_cortex_a8_bl.s: Ditto.
680         * testsuite/arm_cortex_a8_blx.s: Ditto.
681         * testsuite/arm_cortex_a8_local.s: Ditto.
682         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
683         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
685 2010-09-08  Rafael Espindola  <espindola@google.com>
687         * Makefile.am (memory_test.stdout): Run readelf with -W.
688         * Makefile.in: Regenerate.
689         * testsuite/memory_test.sh: Make the regexps accept both 32 and
690         64 bit output.
692 2010-09-08  Rafael Espindola  <espindola@google.com>
694         * script-sections.cc (Script_sections::add_memory_region): Convert
695         field precision to int.
696         * script.cc (script_set_section_region, script_set_section_region):
697         Convert field precision to int.
699 2010-09-08  Rafael Espindola  <espindola@google.com>
701         * arm.cc (do_finalize_sections): Create the __exidx_start and
702         __exdix_end symbols even when the section is missing.
704 2010-09-08  Nick Clifton  <nickc@redhat.com>
706         * README: Remove claim that MEMORY is not supported.
707         * expression.cc (script_exp_function_origin)
708         (script_exp_function_length): Move from here to ...
709         * script.cc: ... here.
710         (script_set_section_region, script_add_memory)
711         (script_parse_memory_attr, script_include_directive): New
712         functions.
713         * script-sections.cc
714         (class Memory_region): New class.
715         (class Output_section_definition): Add set_memory_region,
716         set_section_vma, set_section_lma and get_section_name methods.
717         (class Script_Sections): Add add_memory_region,
718         find_memory_region, find_memory_region_origin,
719         find_memory_region_length and set_memory_region methods.
720         Have set_section_addresses method walk the list of set memory
721         regions.
722         Extend the print methos to display memory regions.
723         * script-sections.h: Add prototypes for new methods.
724         Add enum for MEMORY region attributes.
725         * yyscript.y: Add support for parsing MEMORY regions.
726         * script-c.h: Add prototypes for new functions.
727         * testsuite/Makefile.am: Add test of MEMORY region functionality.
728         * testsuite/Makefile.in: Regenerate.
729         * testsuite/memory_test.sh: New script.
730         * testsuite/memory_test.s: New assembler source file.
731         * testsuite/memory_test.t: New linker script.
733 2010-08-27  Doug Kwan  <dougkwan@google.com>
735         * gold/resolve.cc (Symbol_table::should_override): Let a weak
736         reference override an existing dynamic weak reference.
737         * testsuite/Makefile.am: Add new test dyn_weak_ref.
738         * testsuite/Makefile.in: Regenerate.
739         * testsuite/dyn_weak_ref.sh: New file.
740         * testsuite/dyn_weak_ref_1.c: Ditto.
741         * testsuite/dyn_weak_ref_2.c: Ditto.
743 2010-08-27  Ian Lance Taylor  <iant@google.com>
745         * incremental.h (class Incremental_input_entry): Add virtual
746         destructor.
748 2010-08-27  Ian Lance Taylor  <iant@google.com>
750         * testsuite/start_lib_test_3.c: Mark t3 as used.
752 2010-08-27  Nick Clifton  <nickc@redhat.com>
754         * options.cc (version_script): Fix small typo in previous
755         whitespace tidyup.
757 2010-08-25  Nick Clifton  <nickc@redhat.com>
759         * archive.cc: Formatting fixes: Remove whitespace between
760         typename and following asterisk.  Remove whitespace between
761         function name and opening parenthesis.
762         * archive.h: Likewise.
763         * arm.cc: Likewise.
764         * attributes.cc: Likewise.
765         * attributes.h: Likewise.
766         * common.cc: Likewise.
767         * copy-relocs.cc: Likewise.
768         * dirsearch.h: Likewise.
769         * dynobj.cc: Likewise.
770         * ehframe.cc: Likewise.
771         * ehframe.h: Likewise.
772         * expression.cc: Likewise.
773         * fileread.cc: Likewise.
774         * fileread.h: Likewise.
775         * gc.h: Likewise.
776         * gold-threads.cc: Likewise.
777         * gold.cc: Likewise.
778         * i386.cc: Likewise.
779         * icf.h: Likewise.
780         * incremental-dump.cc: Likewise.
781         * incremental.cc: Likewise.
782         * layout.cc: Likewise.
783         * layout.h: Likewise.
784         * main.cc: Likewise.
785         * merge.cc: Likewise.
786         * merge.h: Likewise.
787         * object.cc: Likewise.
788         * object.h: Likewise.
789         * options.cc: Likewise.
790         * options.h: Likewise.
791         * output.cc: Likewise.
792         * output.h: Likewise.
793         * plugin.cc: Likewise.
794         * plugin.h: Likewise.
795         * powerpc.cc: Likewise.
796         * reloc.cc: Likewise.
797         * script-c.h: Likewise.
798         * script-sections.cc: Likewise.
799         * script.cc: Likewise.
800         * stringpool.cc: Likewise.
801         * symtab.cc: Likewise.
802         * symtab.h: Likewise.
803         * target.cc: Likewise.
804         * timer.cc: Likewise.
805         * timer.h: Likewise.
806         * version.cc: Likewise.
807         * x86_64.cc: Likewise.
809 2010-08-24  Nick Clifton  <nickc@redhat.com>
811         PR 11899
812         * layout.cc (segment_precedes): Sort segments by their physical
813         addresses, if they have been set.
815 2010-08-23  Cary Coutant  <ccoutant@google.com>
817         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
818         symbols data.
819         (Lib_group::include_member): Unlock object after deleting its
820         symbols data.
821         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
822         the bug fixed here.
824 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
825             Cary Coutant  <ccoutant@google.com>
827         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
828         constructor, and set_blocker.
829         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
830         readsyms_blocker_.
831         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
832         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
833         * testsuite/Makefile.am (start_lib_test): New test case.
834         * testsuite/Makefile.in: Regenerate.
835         * testsuite/start_lib_test_main.c: New file.
836         * testsuite/start_lib_test_1.c: New file.
837         * testsuite/start_lib_test_2.c: New file.
838         * testsuite/start_lib_test_3.c: New file.
840 2010-08-19  Ian Lance Taylor  <iant@google.com>
842         * Makefile.in: Rebuild with automake 1.11.1.
843         * aclocal.m4: Likewise.
844         * testsuite/Makefile.in: Likewise.
846 2010-08-19  Ian Lance Taylor  <iant@google.com>
848         PR 10893
849         * i386.cc (class Output_data_plt_i386): Update declarations.
850         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
851         local_ifuncs_ fields.
852         (Target_i386::do_plt_section_for_global): New function.
853         (Target_i386::do_plt_section_for_local): New function.
854         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
855         parameter; change all callers.  Initialize global_ifuncs_ and
856         local_ifuncs_.  If doing a static link define __rel_iplt_start and
857         __rel_iplt_end.
858         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
859         (Output_data_plt_i386::add_local_ifunc_entry): New function.
860         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
861         symbols.
862         (Target_i386::make_plt_section): New function, broken out of
863         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
864         (Target_i386::make_plt_entry): Call make_plt_section.
865         (Target_i386::make_local_ifunc_plt_entry): New function.
866         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
867         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
868         R_386_IRELATIVE to switch.
869         (Target_i386::Scan::global): Likewise.
870         (Target_i386::Relocate::relocate): Likewise.
871         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
872         switch.
873         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
874         (Target_x86_64::do_plt_section_for_global): New function.
875         (Target_x86_64::do_plt_section_for_local): New function.
876         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
877         parameter; change all callers.  If doing a static link define
878         __rela_iplt_start and __rela_iplt_end.
879         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
880         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
881         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
882         to point to .plt.
883         (Target_x86_64::make_local_ifunc_plt_entry): New function.
884         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
885         switch.
886         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
887         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
888         R_X86_64_IRELATIVE to switch.
889         (Target_x86_64::Scan::global): Likewise.
890         (Target_x86_64::Relocate::relocate): Likewise.
891         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
892         switch.
893         * target.h (class Target): Add plt_section_for_global and
894         plt_section_for_local functions.  Add do_plt_section_for_global
895         and do_plt_section_for_local virtual functions.
896         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
897         clarifying comments.
898         (Symbol::use_plt_offset): Handle IFUNC symbol.
899         * object.cc (Sized_relobj::Sized_relobj): Initialize
900         local_plt_offsets_.
901         (Sized_relobj::local_has_plt_offset): New function.
902         (Sized_relobj::local_plt_offset): New function.
903         (Sized_relobj::set_local_plt_offset): New function.
904         (Sized_relobj::do_count): Handle IFUNC symbol.
905         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
906         a bit away from input_shndx_ field.  Add set_is_func_symbol and
907         is_ifunc_symbol functions.
908         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
909         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
910         local_plt_offsets_ field.
911         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
912         * output.h (class Output_section_data): Add non-const
913         output_section function.
914         (class Output_data_got): Update declarations.
915         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
916         Add use_plt_offset parameter to global and local constructors.
917         Change all callers.  Change local_sym_index_ field to 31 bits.
918         Change GSYM_CODE and CONSTANT_CODE accordingly.
919         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
920         doing a static link don't set sh_link field.
921         (Output_data_got::Got_entry::write): Use PLT offset if
922         appropriate.
923         (Output_data_got::add_global_plt): New function.
924         (Output_data_got::add_local_plt): New function.
925         * target-reloc.h (relocate_section): Handle IFUNC symbol.
926         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
927         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
928         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
929         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
930         IFUNC conditional.
931         * testsuite/ifunc-sel.h: New file.
932         * testsuite/ifuncmain1.c: New file.
933         * testsuite/ifuncmain1vis.c: New file.
934         * testsuite/ifuncmod1.c: New file.
935         * testsuite/ifuncdep2.c: New file.
936         * testsuite/ifuncmain2.c: New file.
937         * testsuite/ifuncmain3.c: New file.
938         * testsuite/ifuncmod3.c: New file.
939         * testsuite/ifuncmain4.c: New file.
940         * testsuite/ifuncmain5.c: New file.
941         * testsuite/ifuncmod5.c: New file.
942         * testsuite/ifuncmain6pie.c: New file.
943         * testsuite/ifuncmod6.c: New file.
944         * testsuite/ifuncmain7.c: New file.
945         * configure, testsuite/Makefile.in: Rebuild.
947 2010-08-18  Ian Lance Taylor  <iant@google.com>
949         * incremental.cc
950         (Output_section_incremental_inputs::write_input_files): Add cast
951         to avoid signed/unsigned comparison warning.
952         (Output_section_incremental_inputs::write_info_blocks): Likewise.
954 2010-08-12  Cary Coutant  <ccoutant@google.com>
956         * common.cc (Sort_commons::operator()): Remove unnecessary code.
958 2010-08-13  Ian Lance Taylor  <iant@google.com>
960         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
962 2010-08-12  Cary Coutant  <ccoutant@google.com>
963             Doug Kwan  <dougkwan@google.com>
965         * resolve.cc (Symbol_table::should_override): When a weak dynamic
966         defintion overrides non-weak undef, remember that the original undef
967         is not weak.
968         * symtab.cc (Symbol_table::sized_write_global): For undef without
969         an original weak binding, set binding to global in output.
970         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
971         * testsuite/Makefile.in: Regenerate.
972         * testsuite/strong_ref_weak_def.sh: New file.
973         * testsuite/strong_ref_weak_def_1.c: Ditto.
974         * testsuite/strong_ref_weak_def_2.c: Ditto.
976 2010-08-12  Cary Coutant  <ccoutant@google.com>
978         * testsuite/incremental_test.sh: Rewrite.
979         * testsuite/incremental_test_1.c: Rewrite.
980         * testsuite/incremental_test_2.c: Rewrite.
982 2010-08-12  Cary Coutant  <ccoutant@google.com>
984         * arm.cc (Target_arm::got_size): Add const.
985         (Target_arm::got_entry_count): New function.
986         (Target_arm::plt_entry_count): New function.
987         (Target_arm::first_plt_entry_offset): New function.
988         (Target_arm::plt_entry_size): New function.
989         (Output_data_plt_arm::entry_count): New function.
990         (Output_data_plt_arm::first_plt_entry_offset): New function.
991         (Output_data_plt_arm::get_plt_entry_size): New function.
992         * i386.cc (Target_i386::got_size): Add const.
993         (Target_i386::got_entry_count): New function.
994         (Target_i386::plt_entry_count): New function.
995         (Target_i386::first_plt_entry_offset): New function.
996         (Target_i386::plt_entry_size): New function.
997         (Output_data_plt_i386::entry_count): New function.
998         (Output_data_plt_i386::first_plt_entry_offset): New function.
999         (Output_data_plt_i386::get_plt_entry_size): New function.
1000         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
1001         find_incremental_inputs_sections.  Dump incremental_got_plt section.
1002         * incremental.cc: Include target.h.
1003         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
1004         parameter.  Adjust all callers.  Find incremental_got_plt section.
1005         (Incremental_inputs::create_data_sections): Create incremental_got_plt
1006         section.
1007         (Output_section_incremental_inputs::set_final_data_size): Calculate
1008         size of incremental_got_plt section.
1009         (Output_section_incremental_inputs::do_write): Write the
1010         incremental_got_plt section.
1011         (Got_plt_view_info): New struct.
1012         (Local_got_offset_visitor): New class.
1013         (Global_got_offset_visitor): New class.
1014         (Global_symbol_visitor_got_plt): New class.
1015         (Output_section_incremental_inputs::write_got_plt): New function.
1016         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
1017         Add parameter.  Adjust all callers.
1018         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1019         (Incremental_inputs::got_plt_section): New function.
1020         (Incremental_inputs::got_plt_section_): New data member.
1021         (Incremental_got_plt_reader): New class.
1022         * layout.cc (Layout::create_incremental_info_sections): Add the
1023         incremental_got_plt section.
1024         * object.h (Got_offset_list::get_list): New function.
1025         (Got offset_list::for_all_got_offsets): New function.
1026         (Sized_relobj::local_got_offset_list): New function.
1027         * powerpc.cc (Target_powerpc::got_size): Add const.
1028         (Target_powerpc::got_entry_count): New function.
1029         (Target_powerpc::plt_entry_count): New function.
1030         (Target_powerpc::first_plt_entry_offset): New function.
1031         (Target_powerpc::plt_entry_size): New function.
1032         (Output_data_plt_powerpc::entry_count): New function.
1033         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
1034         (Output_data_plt_powerpc::get_plt_entry_size): New function.
1035         * sparc.cc (Target_sparc::got_size): Add const.
1036         (Target_sparc::got_entry_count): New function.
1037         (Target_sparc::plt_entry_count): New function.
1038         (Target_sparc::first_plt_entry_offset): New function.
1039         (Target_sparc::plt_entry_size): New function.
1040         (Output_data_plt_sparc::entry_count): New function.
1041         (Output_data_plt_sparc::first_plt_entry_offset): New function.
1042         (Output_data_plt_sparc::get_plt_entry_size): New function.
1043         * symtab.h (Symbol::got_offset_list): New function.
1044         (Symbol_table::for_all_symbols): New function.
1045         * target.h (Sized_target::got_entry_count): New function.
1046         (Sized_target::plt_entry_count): New function.
1047         (Sized_target::plt_entry_size): New function.
1048         * x86_64.cc (Target_x86_64::got_size): Add const.
1049         (Target_x86_64::got_entry_count): New function.
1050         (Target_x86_64::plt_entry_count): New function.
1051         (Target_x86_64::first_plt_entry_offset): New function.
1052         (Target_x86_64::plt_entry_size): New function.
1053         (Output_data_plt_x86_64::entry_count): New function.
1054         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
1055         (Output_data_plt_x86_64::get_plt_entry_size): New function.
1057 2010-08-12  Cary Coutant  <ccoutant@google.com>
1059         * archive.cc: Include incremental.h.
1060         (Archive::Archive): Initialize incremental_info_.
1061         (Archive::include_member): Record archive members in incremental info.
1062         (Add_archive_symbols::run): Record begin and end of an archive in
1063         incremental info.
1064         (Lib_group::include_member): Record objects in incremental info.
1065         * archive.h (Incremental_archive_entry): Forward declaration.
1066         (Archive::set_incremental_info): New member function.
1067         (Archive::incremental_info): New member function.
1068         (Archive::Unused_symbol_iterator): New class.
1069         (Archive::unused_symbols_begin): New member function.
1070         (Archive::unused_symbols_end): New member function.
1071         (Archive::incremental_info_): New data member.
1072         * incremental-dump.cc (find_input_containing_global): New function.
1073         (dump_incremental_inputs): Dump new incremental info sections.
1074         * incremental.cc: Include symtab.h.
1075         (Output_section_incremental_inputs): New class.
1076         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
1077         new incremental info sections.
1078         (Sized_incremental_binary::do_check_inputs): Likewise.
1079         (Incremental_inputs::report_archive): Remove.
1080         (Incremental_inputs::report_archive_begin): New function.
1081         (Incremental_inputs::report_archive_end): New function.
1082         (Incremental_inputs::report_object): New function.
1083         (Incremental_inputs::finalize_inputs): Remove.
1084         (Incremental_inputs::report_input_section): New function.
1085         (Incremental_inputs::report_script): Rewrite.
1086         (Incremental_inputs::finalize): Do nothing but finalize string table.
1087         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1088         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1089         (Incremental_inputs::create_data_sections): New function.
1090         (Incremental_inputs::relocs_entsize): New function.
1091         (Output_section_incremental_inputs::set_final_data_size): New function.
1092         (Output_section_incremental_inputs::do_write): New function.
1093         (Output_section_incremental_inputs::write_header): New function.
1094         (Output_section_incremental_inputs::write_input_files): New function.
1095         (Output_section_incremental_inputs::write_info_blocks): New function.
1096         (Output_section_incremental_inputs::write_symtab): New function.
1097         * incremental.h (Incremental_script_entry): Forward declaration.
1098         (Incremental_object_entry): Forward declaration.
1099         (Incremental_archive_entry): Forward declaration.
1100         (Incremental_inputs): Forward declaration.
1101         (Incremental_inputs_header_data): Remove.
1102         (Incremental_inputs_header): Remove.
1103         (Incremental_inputs_header_write): Remove.
1104         (Incremental_inputs_entry_data): Remove.
1105         (Incremental_inputs_entry): Remove.
1106         (Incremental_inputs_entry_write): Remove.
1107         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
1108         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
1109         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1110         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
1111         Likewise.
1112         (Incremental_input_entry): New class.
1113         (Incremental_script_entry): New class.
1114         (Incremental_object_entry): New class.
1115         (Incremental_archive_entry): New class.
1116         (Incremental_inputs::Incremental_inputs): Initialize new data members.
1117         (Incremental_inputs::report_inputs): Remove.
1118         (Incremental_inputs::report_archive): Remove.
1119         (Incremental_inputs::report_archive_begin): New function.
1120         (Incremental_inputs::report_archive_end): New function.
1121         (Incremental_inputs::report_object): Change prototype.
1122         (Incremental_inputs::report_input_section): New function.
1123         (Incremental_inputs::report_script): Change prototype.
1124         (Incremental_inputs::get_reloc_count): New function.
1125         (Incremental_inputs::set_reloc_count): New function.
1126         (Incremental_inputs::create_data_sections): New function.
1127         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1128         (Incremental_inputs::inputs_section): New function.
1129         (Incremental_inputs::symtab_section): New function.
1130         (Incremental_inputs::relocs_section): New function.
1131         (Incremental_inputs::get_stringpool): Add const.
1132         (Incremental_inputs::command_line): Add const.
1133         (Incremental_inputs::inputs): Remove.
1134         (Incremental_inputs::command_line_key): New function.
1135         (Incremental_inputs::input_file_count): New function.
1136         (Incremental_inputs::input_files): New function.
1137         (Incremental_inputs::relocs_entsize): New function.
1138         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1139         (Incremental_inputs::finalize_inputs): Remove.
1140         (Incremental_inputs::Input_info): Remove.
1141         (Incremental_inputs::lock_): Remove.
1142         (Incremental_inputs::inputs_): Change type.
1143         (Incremental_inputs::inputs_map_): Remove.
1144         (Incremental_inputs::current_object_entry_): New data member.
1145         (Incremental_inputs::inputs_section_): New data member.
1146         (Incremental_inputs::symtab_section_): New data member.
1147         (Incremental_inputs::relocs_section_): New data member.
1148         (Incremental_inputs::reloc_count_): New data member.
1149         (Incremental_inputs_reader): New class.
1150         (Incremental_symtab_reader): New class.
1151         (Incremental_relocs_reader): New class.
1152         * layout.cc (Layout::finalize): Move finalization of incremental info
1153         and creation of incremental info sections to follow finalization of
1154         symbol table.  Set offsets for postprocessing sections.
1155         (Layout::create_incremental_info_sections): Call
1156         Incremental_inputs::create_data_sections.  Add incremental symtab
1157         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
1158         sections to layout after input sections.
1159         * layout.h (struct Timespec): Forward declaration.
1160         (Layout::incremental_inputs): Add const.
1161         (Layout::create_incremental_info_sections): Add parameter.
1162         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
1163         * object.cc: Include incremental.h.
1164         (Relobj::finalize_incremental_relocs): New function.
1165         (Sized_relobj::do_layout): Record input sections in incremental info.
1166         * object.h (Object::output_section): New function.
1167         (Object::output_section_offset): Moved from Relobj.
1168         (Object::get_incremental_reloc_base): New function.
1169         (Object::get_incremental_reloc_count): New function.
1170         (Object::do_output_section): New function.
1171         (Object::do_output_section_offset): Moved from Relobj.
1172         (Object::do_get_incremental_reloc_base): New function.
1173         (Object::do_get_incremental_reloc_count): New function.
1174         (Object::Object): Initialize new data members.
1175         (Relobj::output_section): Renamed do_output_section and moved to
1176         protected.
1177         (Relobj::output_section_offset): Moved to Object.
1178         (Relobj::do_get_incremental_reloc_base): New function.
1179         (Relobj::do_get_incremental_reloc_count): New function.
1180         (Relobj::allocate_incremental_reloc_counts): New function.
1181         (Relobj::count_incremental_reloc): New function.
1182         (Relobj::finalize_incremental_relocs): New function.
1183         (Relobj::next_incremental_reloc_index): New function.
1184         (Relobj::reloc_counts_): New data member.
1185         (Relobj::reloc_bases_): New data member.
1186         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1187         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1188         (Sized_relobj::incremental_relocs_scan): New function.
1189         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1190         (Sized_relobj::incremental_relocs_write): New function.
1191         (Sized_relobj::incremental_relocs_write_reltype): New function.
1192         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1193         incremental link.
1194         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1195         archives and object files elsewhere.
1196         (Add_symbols::run): Report object files here.
1197         (Finish_group::run): Report end of archive at end of group.
1198         * reloc.cc: Include layout.h, incremental.h.
1199         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1200         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1201         (Sized_relobj::incremental_relocs_scan): New function.
1202         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1203         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1204         (Sized_relobj::incremental_relocs_write): New function.
1205         (Sized_relobj::incremental_relocs_write_reltype): New function.
1206         * script.cc (read_input_script): Rewrite test for incremental link.
1207         Change call to Incremental_inputs::report_script.
1208         * symtab.h (Symbol_table::first_global_index): New function.
1209         (Symbol_table::output_count): New function.
1211 2010-08-12  Doug Kwan  <dougkwan@google.com>
1213         * arm.cc (Target_arm::merge_object_attributes): Check command line
1214         options --no-wchar-size-warning and --no-enum-size-warning.
1215         * options.h (General_options): Add ld-compatible options
1216         --no-enum-size-warning and --no-wchar-size-warning.
1218 2010-08-04  Ian Lance Taylor  <iant@google.com>
1220         * x86_64.cc (Target_x86_64::Scan::local): Use
1221         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1222         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1223         (Target_x86_64::Scan::global): Likewise.
1224         (Target_x86_64::Relocate::relocate): Likewise.
1225         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1226         Likewise.
1228 2010-08-03  Cary Coutant  <ccoutant@google.com>
1230         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1231         to reserve space in merged_strings vector. Keep total input size
1232         for stats.
1233         (Output_merge_string::do_print_merge_stats): Print total input size.
1234         * merge.h (Output_merge_string): Add input_size_ field.
1235         * stringpool.cc (Stringpool_template::string_length): Move
1236         implementations out of Stringpool_template class and place in
1237         stringpool.h.
1238         * stringpool.h (string_length): Move out of Stringpool_template.
1240 2010-08-03  Ian Lance Taylor  <iant@google.com>
1242         PR 11712
1243         * layout.cc (relaxation_loop_body): If address of load segment is
1244         set, adjust address to include headers if possible.
1246 2010-08-03  Ian Lance Taylor  <iant@google.com>
1248         * version.cc (version_string): Bump to 1.10.
1250 2010-08-03  Ian Lance Taylor  <iant@google.com>
1252         PR 11805
1253         * layout.h (enum Output_section_order): Define.
1254         (class Layout): Update declarations.
1255         * layout.cc (Layout::get_output_section): Add order parameter.
1256         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1257         is_first_non_relro parameters.  Change all callers.
1258         (Layout::choose_output_section): Likewise.
1259         (Layout::add_output_section_data): Likewise.
1260         (Layout::make_output_section): Likewise.  Set order.
1261         (Layout::default_section_order): New function.
1262         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1263         * output.cc (Output_section::Output_section): Initialize order_.
1264         Don't initialize deleted fields.
1265         (Output_segment::Output_segment): Don't initialize deleted
1266         fields.
1267         (Output_segment::add_output_section_to_load): New function
1268         replacing add_output_section.  Change all callers to call this or
1269         add_output_section_to_nonload.
1270         (Output_segment::add_output_section_to_nonload): New function.
1271         (Output_segment::remove_output_section): Rewrite.
1272         (Output_segment::add_initial_output_data): Likewise.
1273         (Output_segment::has_any_data_sections): Likewise.
1274         (Output_segment::is_first_section_relro): Likewise.
1275         (Output_segment::maximum_alignment): Likewise.
1276         (Output_segment::has_dynamic_reloc): New function replacing
1277         dynamic_reloc_count.  Change all callers.
1278         (Output_segment::has_dynamic_reloc_list): New function replacing
1279         dynamic_reloc_count_list.  Change all callers.
1280         (Output_segment::set_section_addresses): Rewrite.
1281         (Output_segment::set_offset): Rewrite.
1282         (Output_segment::find_first_and_last_list): Remove.
1283         (Output_segment::set_tls_offsets): Rewrite.
1284         (Output_segment::first_section_load_address): Likewise.
1285         (Output_segment::output_section_count): Likewise.
1286         (Output_segment::section_with_lowest_load_address): Likewise.
1287         (Output_segment::write_section_headers): Likewise.
1288         (Output_segment::print_sections_to_map): Likewise.
1289         * output.h (class Output_data): Remove dynamic_reloc_count_
1290         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
1291         (Output_data::add_dynamic_reloc): Rewrite.
1292         (Output_data::has_dynamic_reloc): New function.
1293         (Output_data::dynamic_reloc_count): Remove.
1294         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
1295         is_last_relro_, is_first_non_relro_, is_interp_,
1296         is_dynamic_linker_section_ fields.  Add order and set_order
1297         functions.  Remove is_relro_local, set_is_relro_local,
1298         is_last_relro, set_is_last_relro, is_first_non_relro,
1299         set_is_first_non_relro functions, is_interp, set_is_interp,
1300         is_dynamic_linker_section, and set_is_dynamic_linker_section
1301         functions.
1302         (class Output_segment): Change Output_data_list from std::list to
1303         std:;vector.  Add output_lists_ field.  Remove output_data_ and
1304         output_bss_ fields.  Update declarations.
1306 2010-08-02  Ian Lance Taylor  <iant@google.com>
1308         * arm.cc (Target_arm::gc_process_relocs): Use typename.
1309         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
1310         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
1312 2010-08-02  Ian Lance Taylor  <iant@google.com>
1314         PR 11855
1315         * script.cc (Script_options::Script_options): Initialize
1316         symbol_definitions_ and symbol_references_.
1317         (Script_options::add_symbol_assignment): Update
1318         symbol_definitions_ and symbol_references_.
1319         (Script_options::add_symbol_reference): New function.
1320         (script_symbol): New function.
1321         * script.h (class Script_options): Add symbol_definitions_ and
1322         symbol_references_ fields.
1323         (Script_options::referenced_const_iterator): New type.
1324         (Script_options::referenced_begin): New function.
1325         (Script_options::referenced_end): New function.
1326         (Script_options::is_referenced): New function.
1327         (Script_options::any_unreferenced): New function.
1328         * script-c.h (script_symbol): Declare.
1329         * yyscript.y (exp): Call script_symbol.
1330         * symtab.cc: Include "script.h".
1331         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
1332         Change all callers.  Check symbols referenced by scripts.
1333         (Symbol_table::add_undefined_symbols_from_command_line): Add
1334         layout parameter.  Change all callers.
1335         (Symbol_table::do_add_undefined_symbols_from_command_line):
1336         Likewise.  Break out loop body.  Check symbols referenced by
1337         scripts.
1338         (Symbol_table::add_undefined_symbol_from_command_line): New
1339         function broken out of
1340         do_add_undefined_symbols_from_command_line.
1341         * symtab.h (class Symbol_table): Update declarations.
1342         * archive.cc: Include "layout.h".
1343         (Archive::should_include_member): Add layout parameter.  Change
1344         all callers.  Check for symbol mentioned in expression.
1345         * archive.h (class Archive): Update declaration.
1346         * object.cc (Sized_relobj::do_should_include_member): Add layout
1347         parameter.
1348         * object.h (Object::should_include_member): Add layout parameter.
1349         Change all callers.
1350         (Object::do_should_include_member): Add layout parameter.
1351         (class Sized_relobj): Update declaration.
1352         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
1353         parameter.
1354         * dynobj.h (class Sized_dynobj): Update declaration.
1355         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
1356         layout parameter.
1357         * plugin.h (class Sized_pluginobj): Update declaration.
1359 2010-08-02  Ian Lance Taylor  <iant@google.com>
1361         PR 11866
1362         * output.cc (Output_segment::set_offset): Search for the first and
1363         last sections rather than assuming that the list is in order.
1364         (Output_segment::find_first_and_last_list): New function.
1365         * output.h (class Output_segment): Update declarations.
1366         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
1367         (relro_strip_test_SOURCES): New variable.
1368         (relro_strip_test_DEPENDENCIES): New variable.
1369         (relro_strip_test_LDFLAGS): New variable.
1370         (relro_strip_test_LDADD): New variable.
1371         (relro_strip_test.so): New target.
1373 2010-08-02  Ian Lance Taylor  <iant@google.com>
1375         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
1376         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
1377         (Target_i386::got_tlsdesc_section): New function.
1378         (Target_i386::got_section): Create space for GOT entries for
1379         TLSDESC relocations.
1380         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
1381         R_386_TLS_GOTDESC.
1382         (Target_i386::Scan::global): Likewise.
1383         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
1384         using TLSDESC GOT.
1385         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
1386         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
1387         (Target_x86_64::got_tlsdesc_section): New function.
1388         (Target_x86_64::got_section): Create space for GOT entries for
1389         TLSDESC relocations.
1390         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
1391         R_386_TLS_GOTDESC.
1392         (Target_x86_64::Scan::global): Likewise.
1393         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
1394         using TLSDESC GOT.
1396 2010-08-02  Ian Lance Taylor  <iant@google.com>
1398         * testsuite/final_layout.sh: Use dc to convert from hex to
1399         decimal.
1401 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
1403         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
1404         paramter to the call to gold::gc_process_relocs.
1405         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
1406         paramter to the call to gold::gc_process_relocs.
1407         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
1408         parameter to the call to gold::gc_process_relocs.
1409         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
1410         template parameter to the call to gold::gc_process_relocs.
1411         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
1412         paramter to the call to gold::gc_process_relocs.
1413         * gc.h (get_embedded_addend_size): New function.
1414         (gc_process_relocs): Save the size of the reloc for use by ICF.
1415         * icf.cc (get_section_contents): Get the addend from the text section
1416         for SHT_REL relocation sections.
1417         * icf.h (Icf::Reloc_addend_size_info): New typedef.
1418         (Icf::Reloc_info): Add new member reloc_addend_size_info.
1419         * int_encoding.h (read_from_pointer): New overloaded function.
1420         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
1421         * testsuite/icf_sht_rel_addend_test.sh: New file.
1422         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
1423         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
1425 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1427         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
1428         * Makefile.in: Regenerate.
1429         * testsuite/Makefile.in: Regenerate.
1431 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
1433         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
1434         * gold/testsuite/debug_msg.cc: Likewise.
1435         * gold/testsuite/odr_violation1.cc
1436         * gold/testsuite/odr_violation2.cc
1438 2010-07-21  Cary Coutant  <ccoutant@google.com>
1440         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
1441         string, and length fields.
1442         (Output_merge_string::Merged_strings_list): New type.
1443         (Output_merge_string::Merged_strings_lists): New typedef.
1444         (Output_merge_string): Replace merged_strings_ with
1445         merged_strings_lists_.
1446         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1447         Merged_strings_list per input object and section.  Don't store pointer
1448         to the string.  Don't store length with each merged string entry.
1449         (Output_merge_string::finalize_merged_data): Loop over list of merged
1450         strings lists.  Recompute length of each merged string.
1452 2010-07-15  Cary Coutant  <ccoutant@google.com>
1454         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1455         here.
1457 2010-07-14  Ian Lance Taylor  <iant@google.com>
1459         * descriptors.cc (Descriptors::open): Report correct name in error
1460         message.
1462 2010-07-13  Doug Kwan  <dougkwan@google.com>
1464         * arm.cc (Arm_input_section::Arm_input_section): For a
1465         SHT_ARM_EXIDX section, always keeps the input sections.
1466         (Arm_input_section::set_exidx_section_link): New method.
1467         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1468         has_errors_ to false.
1469         (Arm_exidx_input_section::has_errors,
1470         Arm_exidx_input_section::set_has_errors): New methods.
1471         (Arm_exidx_input_section::has_errors_): New data member.
1472         (Arm_relobj::get_exidx_shndx_list): New method.
1473         (Arm_output_section::append_text_sections_to_list): Do not skip
1474         section without SHF_EXECINSTR.
1475         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1476         errors.
1477         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1478         section header.  Make error messages more verbose.  Check for
1479         a non-executable section linked to an EXIDX section.
1480         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1481         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1482         check that there is no deferred EXIDX section if we exit early.
1483         Instead of not making an EXIDX section in case of an error, make one
1484         and set the has_errors flag of it.
1485         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1486         in a relocatable link.
1487         (Target_arm::do_relax): Look for the EXIDX output section instead of
1488         assuming that it is called .ARM.exidx.
1489         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1490         section list.  Do not check for SHF_EXECINSTR section flags but
1491         skip any input section with errors.
1492         * output.cc (Output_section::Output_section): Initialize
1493         always_keeps_input_sections_ to false.
1494         (Output_section::add_input_section): Check for
1495         always_keeps_input_sections_.
1496         *  output.h (Output_section::always_keeps_input_sections,
1497         Output_section::set_always_keeps_input_sections): New methods.
1498         (Output_section::always_keeps_input_sections): New data member.
1500 2010-07-13  Rafael Espindola  <espindola@google.com>
1502         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1503         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1505 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1506             Ian Lance Taylor  <iant@google.com>
1508         * output.h (Output_section_lookup_maps::add_merge_section):
1509         Correct check of whether value was inserted.
1510         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1511         (Output_section_lookup_maps::add_relaxed_input_section):
1512         Likewise.
1513         * arm.cc (Target_arm::got_section): Remove used local os.
1514         * i386.cc (Target_i386::got_section): Likewise.
1515         * x86_64.cc (Target_x86_64::got_section): Likewise.
1516         * sparc.cc (Target_sparc::got_section): Likewise.
1517         (Target_sparc::relocate): Remove unused local have_got_offset.
1518         * powerpc.cc (Target_powerpc::relocate): Likewise.
1520 2010-07-13  Ian Lance Taylor  <iant@google.com>
1522         * compressed_output.cc (zlib_decompress): Fix signature in
1523         !HAVE_ZLIB_H case.
1525         * archive.cc (Archive::include_member): Unlock an external member
1526         of a thin archive.  Don't bother to delete an object we know is
1527         NULL.
1529 2010-07-12  Cary Coutant  <ccoutant@google.com>
1531         * compressed_output.cc (zlib_decompress): New function.
1532         (get_uncompressed_size): New function.
1533         (decompress_input_section): New function.
1534         * compressed_output.h (get_uncompressed_size): New function.
1535         (decompress_input_section): New function.
1536         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1537         Handle compressed debug sections.
1538         * layout.cc (is_compressed_debug_section): New function.
1539         (Layout::output_section_name): Map compressed section names to
1540         canonical names.
1541         * layout.h (is_compressed_debug_section): New function.
1542         (is_debug_info_section): Recognize compressed debug sections.
1543         * merge.cc: Include compressed_output.h.
1544         (Output_merge_data::do_add_input_section): Handle compressed
1545         debug sections.
1546         (Output_merge_string::do_add_input_section): Handle compressed
1547         debug sections.
1548         * object.cc: Include compressed_output.h.
1549         (Sized_relobj::Sized_relobj): Initialize new data members.
1550         (build_compressed_section_map): New function.
1551         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1552         * object.h (Object::section_is_compressed): New method.
1553         (Object::do_section_is_compressed): New method.
1554         (Sized_relobj::Compressed_section_map): New type.
1555         (Sized_relobj::do_section_is_compressed): New method.
1556         (Sized_relobj::compressed_sections_): New data member.
1557         * output.cc (Output_section::add_input_section): Handle compressed
1558         debug sections.
1559         * reloc.cc: Include compressed_output.h.
1560         (Sized_relobj::write_sections): Handle compressed debug sections.
1562 2010-07-08  Cary Coutant  <ccoutant@google.com>
1564         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1565         weak when resolving to a dynamic def.
1566         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1567         for weak undef/dynamic def cases. Adjust callers.
1568         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1569         undef_binding_weak_.
1570         (Symbol_table::sized_write_globals): Adjust symbol binding.
1571         (Symbol_table::sized_write_symbol): Add binding parameter.
1572         * symtab.h (Symbol::set_undef_binding): New method.
1573         (Symbol::is_undef_binding_weak): New method.
1574         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1575         (Symbol_table::should_override): Add new parameter.
1576         (Symbol_table::sized_write_symbol): Add new parameter.
1578         * testsuite/weak_undef_file1.cc: Add new test case.
1579         * testsuite/weak_undef_file2.cc: Fix header comment.
1580         * testsuite/weak_undef_test.cc: Add new test case.
1582 2010-06-29  Doug Kwan  <dougkwan@google.com>
1584         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1585         Initialize USE_SYMBOL_.
1586         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1587         definition.
1588         (Arm_reloc_property::uses_symbol_): New data member declaration.
1589         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1590         uses symbol value and symbol is undefined but not weakly undefined.
1592 2010-06-28  Rafael Espindola  <espindola@google.com>
1594         * plugin.cc (Plugin::load): Use dlerror.
1596 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1598         * symtab.cc (detect_odr_violations): When reporting an ODR
1599         violation, report an object where the symbol is defined.
1601 2010-06-25  Doug Kwan  <dougkwan@google.com>
1603         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1604         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1605         definition.
1606         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1607         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1608         target hook to detect function points.
1609         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1610         * icf.h (Icf::check_section_for_function_pointers): Change type of
1611         parameter SECTION_NAME to const reference to std::string.  Use
1612         target hook to determine if section may have unsafe pointers.
1613         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1614         method definition.
1616 2010-06-21  Rafael Espindola  <espindola@google.com>
1618         * fileread.cc (Input_file::find_fie): New
1619         (Input_file::open): Use Input_file::find_fie.
1620         * fileread.h (Input_file::find_fie): New
1621         * plugin.cc (set_extra_library_path): New.
1622         (Plugin::load): Add set_extra_library_path to the transfer vector.
1623         (Plugin_manager::set_extra_library_path): New.
1624         (Plugin_manager::add_input_file): Use the extra search path if set.
1625         (set_extra_library_path(): New.
1626         * plugin.h (Plugin_manager): Add set_extra_library_path and
1627         extra_search_path_.
1629 2010-06-19  Cary Coutant  <ccoutant@google.com>
1631         * layout.cc (gdb_sections): Add .debug_types.
1632         (lines_only_debug_sections): Likewise.
1634 2010-06-18  Rafael Espindola  <espindola@google.com>
1636         * plugin.cc (add_input_file,add_input_library)
1637         (Plugin_manager::add_input_file): Make filename arguments const.
1638         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1639         const.
1641 2010-06-16  Doug Kwan  <dougkwan@google.com>
1643         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1644         .ARM.attributes section if we have not merged any input
1645         attributes sections.
1647 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1649         * arm.cc: Allow combining objects with no EABI version
1650         information.
1652 2010-06-15  Rafael Espindola  <espindola@google.com>
1654         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1656 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1658         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1659         (struct iovec): Correct !HAVE_READV definition.
1661 2010-06-10  Cary Coutant  <ccoutant@google.com>
1663         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1664         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1665         reloc sections.
1666         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1668         PR 11683
1669         * symtab.h (Symbol::is_placeholder): New member function.
1670         * target-reloc.h (relocate_section): Check for placeholder symbols.
1672         * testsuite/Makefile.am (plugin_test_8): New test.
1673         (plugin_test_9): New test.
1674         * testsuite/Makefile.in: Regenerate.
1676 2010-06-09  Nick Clifton  <nickc@redhat.com>
1678         * yyscript.y (input_list_element): Allow strings prefixed with
1679         the '-' character.  Treat these as libraries.
1680         * script.cc (script_add_library): New function.  Adds a library
1681         specified by "-l<name>" found in an input script.
1682         * script-c.h: Add prototype for script_add_library.
1684 2010-06-07  Doug Kwan  <dougkwan@google.com>
1686         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1687         Restrict stub-group size to be within long conditional branch
1688         range when working around cortex-A8 erratum.
1690 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1692         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1693         #ifdef typo.
1695 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1697         PR gold/11658
1698         * output.cc
1699         (Output_section::Input_section_sort_entry::compare_section_ordering):
1700         Change to return non-zero correctly.
1701         (Output_section::Input_section_sort_section_order_index_compare
1702         ::operator()): Change to fix ambiguity in comparisons.
1704 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1706         * gold.h (is_wildcard_string): New function.
1707         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1708         (Layout::layout_eh_frame): Ditto.
1709         (Layout::find_section_order_index): New method.
1710         (Layout::read_layout_from_file): New method.
1711         * layout.h (Layout::find_section_order_index): New method.
1712         (Layout::read_layout_from_file): New method.
1713         (Layout::input_section_position_): New private member.
1714         (Layout::input_section_glob_): New private member.
1715         * main.cc (main): Call read_layout_from_file here.
1716         * options.h (--section-ordering-file): New option.
1717         * output.cc (Output_section::input_section_order_specified_): New
1718         member.
1719         (Output_section::Output_section): Initialize new member.
1720         (Output_section::add_input_section): Add new parameter.
1721         Keep input sections when --section-ordering-file is used.
1722         (Output_section::set_final_data_size): Sort input sections when
1723         section ordering file is specified.
1724         (Output_section::Input_section_sort_entry): Add new parameter.
1725         Check sorting type.
1726         (Output_section::Input_section_sort_entry::compare_section_ordering):
1727         New method.
1728         (Output_section::Input_section_sort_compare::operator()): Change to
1729         consider section_order_index.
1730         (Output_section::Input_section_sort_init_fini_compare::operator()):
1731         Change to consider section_order_index.
1732         (Output_section::Input_section_sort_section_order_index_compare
1733         ::operator()): New method.
1734         (Output_section::sort_attached_input_sections): Change to sort
1735         according to section order when specified.
1736         (Output_section::add_input_section<32, true>): Add new parameter.
1737         (Output_section::add_input_section<64, true>): Add new parameter.
1738         (Output_section::add_input_section<32, false>): Add new parameter.
1739         (Output_section::add_input_section<64, false>): Add new parameter.
1740         * output.h (Output_section::add_input_section): Add new parameter.
1741         (Output_section::input_section_order_specified): New
1742         method.
1743         (Output_section::set_input_section_order_specified): New method.
1744         (Input_section::Input_section): Initialize section_order_index_.
1745         (Input_section::section_order_index): New method.
1746         (Input_section::set_section_order_index): New method.
1747         (Input_section::section_order_index_): New member.
1748         (Input_section::Input_section_sort_section_order_index_compare): New
1749         struct.
1750         (Output_section::input_section_order_specified_): New member.
1751         * script-sections.cc (is_wildcard_string): Delete and move modified
1752         method to gold.h.
1753         (Output_section_element_input::Output_section_element_input): Modify
1754         call to is_wildcard_string.
1755         (Output_section_element_input::Input_section_pattern
1756         ::Input_section_pattern): Ditto.
1757         (Output_section_element_input::Output_section_element_input): Ditto.
1758         * testsuite/Makefile.am (final_layout): New test case.
1759         * testsuite/Makefile.in: Regenerate.
1760         * testsuite/final_layout.cc: New file.
1761         * testsuite/final_layout.sh: New file.
1763 2010-06-01  Rafael Espindola  <espindola@google.com>
1765         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1767 2010-06-01  Rafael Espindola  <espindola@google.com>
1769         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1770         visibility of symbols.
1772 2010-05-27  Doug Kwan  <dougkwan@google.com>
1774         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1775         from start of output section instead of address for a local symbol
1776         in a merged or relaxed section when doing a relocatable link.
1778 2010-05-26  Rafael Espindola  <espindola@google.com>
1780        PR 11604
1781         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1782         adding sections the garbage collector removed.
1783         * gold/testsuite/Makefile.am: Add test.
1784         * gold/testsuite/Makefile.in: Regenerate.
1785         * gold/testsuite/plugin_test_7.sh: New.
1786         * gold/testsuite/plugin_test_7_1.c: New.
1787         * gold/testsuite/plugin_test_7_2.c: New.
1789 2010-05-26  Rafael Espindola  <espindola@google.com>
1791         * script-sections.cc (Output_section_definition::set_section_addresses):
1792         Check for --section-start.
1794 2010-05-26  Doug Kwan  <dougkwan@google.com>
1796         * arm.cc (Arm_scan_relocatable_relocs): New class.
1797         (Target_arm::relocate_special_relocatable): New method.
1798         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1799         (Arm_relocate_functions::thumb_branch_common): Same.
1800         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1801         instead of Default_scan_relocatable_relocs.
1802         * target-reloc.h (relocate_for_relocatable): Let target handle
1803         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1804         * target.h (Sized_target::relocate_special_relocatable): New method.
1806 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1808         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1810 2010-05-23  Doug Kwan  <dougkwan@google.com>
1812         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1813         instead of a cast.
1814         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1815         with a direct branch, not a conditional branch, to a stub.
1816         * merge.cc (Output_merge_base::record_input_section): New method
1817         defintion.
1818         (Output_merge_data::do_add_input_section): Record input section if
1819         keeps-input-sections flag is set.
1820         (Output_merge_string::do_add_input_section): Ditto.
1821         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1822         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1823         INPUT_SECTIONS_.
1824         (Output_merge_base::keeps_input_sections,
1825         Output_merge_base::set_keeps_input_sections,
1826         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1827         method definitions.
1828         (Output_merge_base::Input_sections): New type declaration.
1829         (Output_merge_base::input_sections_begin,
1830         Output_merge_base::input_sections_end,
1831         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1832         (Output_merge_base::bool keeps_input_sections_,
1833         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1834         Output_merge_base::input_sections_): New data members.
1835         (Output_merge_data::do_set_keeps_input_sections): New method
1836         defintion.
1837         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1838         * output.cc (Output_section::Input_section::relobj): Move method
1839         defintion from class declaration to here and handle merge sections.
1840         (Output_section::Input_section::shndx): Ditto.
1841         (Output_section::Output_section): Remove initializations of removed
1842         data members and initialize new data member LOOKUP_MAPS_.
1843         (Output_section::add_input_section): Set keeps-input-sections flag
1844         for a newly created merge output section as appropriate.  Adjust code
1845         to use Output_section_lookup_maps class.
1846         (Output_section::add_relaxed_input_section): Adjst code for lookup
1847         maps code refactoring.
1848         (Output_section::add_merge_input_section): Add a new parameter
1849         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1850         class.  If adding input section to a newly created merge output
1851         section fails, remove the new merge section.
1852         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1853         Adjust code for use of the Output_section_lookup_maps class.
1854         (Output_section::find_merge_section): Ditto.
1855         (Output_section::build_lookup_maps): New method defintion.
1856         (Output_section::find_relaxed_input_section): Adjust code to use
1857         Output_section_lookup_maps class.
1858         (Output_section::get_input_sections): Export merge sections.  Adjust
1859         code to use Output_section_lookup_maps class.
1860         (Output_section:::add_script_input_section): Adjust code to use
1861         Output_section_lookup_maps class.  Update lookup maps for merge
1862         sections also.
1863         (Output_section::discard_states): Use Output_section_lookup_maps.
1864         (Output_section::restore_states): Same.
1865         * output.h (Merge_section_properties): Move class defintion out of
1866         Output_section.
1867         (Output_section_lookup_maps): New class.
1868         (Output_section::Input_section::is_merge_section): New method
1869         defintion.
1870         (Output_section::Input_section::relobj): Move defintion out of class
1871         defintion.  Declare method only.
1872         (Output_section::Input_section::shndx): Ditto.
1873         (Output_section::Input_section::output_merge_base): New method defintion.
1874         (Output_section::Input_section::u2_.pomb): New union field.
1875         (Output_section::Merge_section_by_properties_map,
1876         Output_section::Output_section_data_by_input_section_map,
1877         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1878         Remove types.
1879         (Output_section::add_merge_input_section): Add new parameter
1880         KEEPS_INPUT_SECTIONS.
1881         (Output_section::build_lookup_maps): New method declaration.
1882         (Output_section::merge_section_map_,
1883         Output_section::merge_section_by_properties_map_,
1884         Output_section::relaxed_input_section_map_,
1885         Output_section::is_relaxed_input_section_map_valid_): Remove data
1886         members.
1887         (Output_section::lookup_maps_): New data member.
1889 2010-05-21  Doug Kwan  <dougkwan@google.com>
1891         PR gold/11619
1892         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1893         avoid a compilation error.
1895 2010-05-19  Rafael Espindola  <espindola@google.com>
1897         * script-sections.cc (Output_section_definition::allocate_to_segment):
1898         Update the phdrs_list even when the output section is NULL.
1899         * testsuite/Makefile.am: Add test.
1900         * testsuite/Makefile.in: Regenerate.
1901         * testsuite/script_test_9.cc: New.
1902         * testsuite/script_test_9.sh: New.
1903         * testsuite/script_test_9.t: New.
1905 2010-05-19  Doug Kwan  <dougkwan@google.com>
1907         * arm.cc (Arm_input_section::original_size): New method.
1908         (Arm_input_section::do_addralign): Add a cast.
1909         (Arm_input_section::do_output_offset): Remove static cast.
1910         (Arm_input_section::original_addralign,
1911          Arm_input_section::original_size_): Change type to uint32_t.
1912         (Arm_input_section::init): Add safe casts for section alignment
1913         and size.
1914         (Arm_input_section::set_final_data_size): Do not set address and
1915         offset of stub table.
1916         (Arm_output_section::fix_exidx_coverage): Change use of of
1917         Output_section::Simple_input_section to that of
1918         Output_section::Input_section.
1919         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1920         except for the first pass.
1921         * output.cc (Output_section::get_input_sections): Change type of
1922         input_sections to std::list<Input_section>.
1923         (Output_section::add_script_input_section): Rename from
1924         Output_section::add_simple_input_section.  Change type of SIS
1925         parameter from Simple_input_section to Input_section.
1926         * output.h (Output_section::Simple_input_section): Remove class.
1927         (Output_section::Input_section): Change class visibility to public.
1928         (Output_section::Input_section::addralign): Use stored alignments
1929         for special input sections if set.
1930         (Output_section::Input_section::set_addralign): New method.
1931         (Output_section::get_input_sections): Change parameter type from
1932         list of Simple_input_section to list of Input_section.
1933         (Output_section::add_script_input_section): Rename from
1934         Output_section::add_simple_input_section. Change first parameter's
1935         type from Simple_input_section to Input_section and remove the
1936         second and third parameters.
1937         * script-sections.cc (Input_section::Input_section_list): Change
1938         type to list of Output_section::Input_section/
1939         (Input_section_info::Input_section_info): Change parameter type of
1940         INPUT_SECTION to Output_section::Input_section.
1941         (Input_section_info::input_section): Change return type.
1942         (Input_section_info::input_section_): Change type to
1943         Output_section::Input_section.
1944         (Output_section_element_input::set_section_addresses): Adjust code
1945         to use Output_section::Input_section instead of
1946         Output_section::Simple_input_section.  Adjust code for renaming
1947         of Output_section::add_simple_input_section.
1948         (Orphan_output_section::set_section_addresses): Ditto.
1950 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1952         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1953         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1955 2010-05-18  Rafael Espindola  <espindola@google.com>
1957         * options.cc (General_options::finalize): Handle -nostdlib.
1958         * options.h (nostdlib): New option.
1959         * script.cc (script_add_search_dir): Handle -nostdlib.
1961 2010-05-12  Doug Kwan  <dougkwan@google.com>
1963         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1964         attributes section only if there no attributes section after merging.
1965         (Target_arm::merge_object_attributes): Move value of
1966         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1967         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1968         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1969         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1970         and arm_attr_merge_7.stdout.
1971         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1972         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1973         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1974         arm_attr_merge_7b.o): New rules.
1975         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1976         arm_attr_merge_7
1977         * testsuite/Makefile.in: Regenerate.
1978         * testsuite/arm_attr_merge.sh: New file.
1979         * testsuite/arm_attr_merge_[67][ab].s: Same.
1981 2010-05-05  Nick Clifton  <nickc@redhat.com>
1983         * po/es.po: Updated Spanish translation.
1985 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1987         * Makefile.am (install-exec-local): Properly install gold as
1988         default cross linker.
1989         * Makefile.in: Regenerated.
1991 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1992             Nick Clifton  <nickc@redhat.com>
1994         * configure.ac (install_as_default): Define and set to false
1995         unless --enable-gold or --enable-gold=both/gold has been
1996         specified.
1997         * configure: Regenerate.
1999         * Makefile.am (install-exec-local): Install the executable as
2000         'ld.gold'.  If install_as_default is true then also install it as
2001         'ld'.
2002         * Makefile.in: Regenerated.
2004 2010-04-24  Ian Lance Taylor  <iant@google.com>
2006         * layout.cc (Layout::layout_reloc): In relocatable link don't
2007         combine reloc sections for grouped sections.
2009 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
2011         * gc.h (gc_process_relocs): Pass information on relocs pointing to
2012         sections that are not ordinary to icf.
2013         * icf.cc (get_section_contents): Handle relocation pointing to section
2014         with no object or shndx information.
2015         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
2016         * testsuite/Makefile.in: Regenerate.
2017         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
2018         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
2020 2010-04-22  Ian Lance Taylor  <iant@google.com>
2022         * expression.cc (Expression::Expression_eval_info): Add
2023         result_alignment_pointer field.
2024         (Expression::eval_with_dot): Add result_alignment_pointer
2025         parameter.  Change all callers.
2026         (Expression::eval_maybe_dot): Likewise.
2027         (class Binary_expression): Add alignment_pointer parameter to
2028         left_value and right_value.  Change all callers.
2029         (BINARY_EXPRESSION): Set result alignment.
2030         (class Trinary_expression): Add alignment_pointer parameter to
2031         arg2_value and arg3_value.  Change all callers.
2032         (Trinary_cond::value): Set result alignment.
2033         (Max_expression::value, Min_expression::value): Likewise.
2034         (Align_expression::value): Likewise.
2035         * script-sections.cc (class Sections_element): Add dot_alignment
2036         parameter to set_section_addresses virtual function.  Update
2037         instantiations.
2038         (class Output_section_element): Likewise.
2039         (Script_sections::create_segments): Add dot_alignment parameter.
2040         Change all callers.
2041         (Script_sections::create_segments_from_phdrs_clause): Likewise.
2042         (Script_sections::set_phdrs_clause_addresses): Likewise.
2043         * script-sections.h: Update declarations.
2044         * script.h: Update declarations.
2045         * output.h (Output_segment::set_minimum_p_align): Don't decrease
2046         min_p_align.
2047         * testsuite/script_test_3.t: Set large alignment.
2048         * testsuite/script_test_3.sh: Make sure that at least one LOAD
2049         segment has expected alignment.
2051 2010-04-22  Nick Clifton  <nickc@redhat.com>
2053         * po/gold.pot: Updated by the Translation project.
2054         * po/vi.po: Updated Vietnamese translation.
2056 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
2058         * testsuite/Makefile.am (check_PROGRAMS): Add
2059         icf_virtual_function_folding_test.
2060         * testsuite/Makefile.in: Regenerated.
2062 2010-04-15  Andrew Haley  <aph@redhat.com>
2064         * options.h (merge_exidx_entries): New option.
2065         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
2066         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
2067         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
2068         (Target_arm::merge_exidx_entries): New function.
2069         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
2070         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
2071         to Arm_exidx_fixup constructor.
2072         Add new arg, merge_exidx_entries.
2073         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
2074         Arm_output_section::fix_exidx_coverage.
2076 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
2078         * icf.cc (get_section_contents): Check for preemptible functions.
2079         Ignore addend when appropriate.
2080         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
2081         section folded.
2082         (add_from_relobj): Check for section folded.
2083         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
2084         * symtab.h (should_add_dynsym_entry): Add new parameter.
2085         * target-reloc.h (scan_relocs): Check for section folded.
2086         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
2087         Check reloc types for function pointers in shared objects.
2088         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
2089         case.
2090         (icf_preemptible_functions_test): New test case.
2091         (icf_string_merge_test): New test case.
2092         * testsuite.Makefile.in: Regenerate.
2093         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
2094         bar_glob.  Refactor code.
2095         * testsuite/icf_preemptible_functions_test.cc: New file.
2096         * testsuite/icf_preemptible_functions_test.sh: New file.
2097         * testsuite/icf_string_merge_test.cc: New file.
2098         * testsuite/icf_string_merge_test.sh: New file.
2099         * testsuite/icf_virtual_function_folding_test.cc: New file.
2100         * testsuite/icf_virtual_function_folding_test.sh: New file.
2102 2010-04-14  Doug Kwan  <dougkwan@google.com>
2104         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
2105         for local symbol recounting if we remove a section due to ICF.
2106         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
2107         there are no regular objects in input.
2109 2010-04-13  Doug Kwan  <dougkwan@google.com>
2111         * arm.cc (Arm_input_section::set_final_data_size): Compute
2112         accurate final data size instead of using current data size.
2114 2010-04-09  Doug Kwan  <dougkwan@google.com>
2116         * layout.cc (Layout::choose_output_section): Handle script section
2117         types.
2118         (Layout::make_output_section_for_script): Add section type parameter.
2119         Handle script section types.
2120         * layout.h (Layout::make_output_section_for_script): Add section
2121         type parameter.
2122         * output.cc (Output_section::Output_section): Initialize data member
2123         is_noload_.
2124         (Output_section::do_reset_address_and_file_offset): Do not set address
2125         to 0 if section is a NOLOAD section.
2126         * output.h (Output_section::is_noload): New method.
2127         (Output_section::set_is_noload): Ditto.
2128         (Output_section::is_noload_): New data member.
2129         * script-c.h (Script_section_type): New enum type.
2130         (struct Parser_output_section_header): Add new file section_type.
2131         * script-sections.cc (Sections_element::output_section_name): Add
2132         parameter for returning script section type.
2133         (Output_section_definition::output_section_name): Ditto.
2134         (Output_section_definition::section_type)P; New method.
2135         (Output_section_definiton::script_section_type_name): Ditto.
2136         (Output_section_definition::script_section_type_): New data member.
2137         (Output_section_definition::Output_section_definition): Initialize
2138         data member Output_section_definition::script_section_type_.
2139         (Output_section_definition::create_sections): Pass script section type
2140         to Layout::make_output_section_for_script.
2141         (Output_section_definition::output_section_name): Return script
2142         section type to caller.
2143         (Output_section_definition::set_section_address): Do not advance
2144         dot value and load address if section type is NOLOAD.  Set address
2145         of NOLOAD sections regardless of section flags.
2146         (Output_section_definition::print): Print section type if it is
2147         not SCRIPT_SECTION_TYPE_NONE.
2148         (Output_section_definition::section_type): New method.
2149         (Output_section_definition::script_section_type_name): Ditto.
2150         (Script_sections::output_section_name): Add new parameter
2151         PSECTION_TYPE for returning script section type.  Pass it to
2152         section elements.  Handle discard sections.
2153         (Sort_output_sections::operator()): Handle NOLOAD sections.
2154         * script-sections.h (Script_sections::Section_type): New enum type.
2155         (Script_sections::output_section_name): Add a new parameter for
2156         returning script section type.
2157         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
2158         INFO and NOLOAD.
2159         * yyscript.y (union): Add new field SECTION_TYPE.
2160         (COPY, DSECT, INFO, NOLOAD): New tokens.
2161         (opt_address_and_section_type): Change type to output_section_header.
2162         (section_type): New non-terminal
2163         (section_header): Handle section type.
2164         (opt_address_and_section_type): Return section type value.
2166 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2168         * testsuite/plugin_common_test_1.c (foo): Add prototype.
2169         * testsuite/plugin_common_test_2.c (foo): Likewise.
2171 2010-04-08  Doug Kwan  <dougkwan@google.com>
2173         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
2174         Output_merge_data.
2175         * output.cc (Output_section::add_merge_input_section): Simplify
2176         code and return status of Output_merge_base::add_input_section.
2177         Update merge section map only if Output_merge_base::add_input_section
2178         returns true.
2180 2010-04-07  Doug Kwan  <dougkwan@google.com>
2182         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2183         if section is marked as containing instructions but has no mapping
2184         symbols.
2185         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2186         correct section index.
2187         (Arm_relobj::find_linked_text_section): Ditto.
2189 2010-04-07  Cary Coutant  <ccoutant@google.com>
2191         * archive.cc (include_member): Destroy Read_symbols_data object before
2192         releasing file.
2193         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2194         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2195         (Read_symbols_data::~Read_symbols_data) New destructor.
2196         (Section_relocs::Section_relocs) New constructor.
2197         (Section_relocs::~Section_relocs) New destructor.
2198         (Read_relocs_data::Read_relocs_data) New constructor.
2199         (Read_relocs_data::~Read_relocs_data) New destructor.
2200         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2201         pointers to NULL after deleting.
2203 2010-04-07  Doug Kwan  <dougkwan@google.com>
2205         * arm.cc: Replace "endianity" with "endianness" in comments.
2206         (Arm_exidx_cantunwind): Ditto.
2207         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2208         (Arm_relobj::merge_flags_and_attributes): New method.
2209         (Arm_relobj::merge_flags_and_attributes_): New data member.
2210         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2211         (Arm_relobj::scan_sections_for_stubs): Ditto.
2212         (Arm_relobj::do_read_symbols): Check to see if we really want to
2213         merge processor-specific flags and attributes.  Exit early if
2214         an object is empty except for section names and the undefined symbol.
2215         (Target_arm::do_finalize_sections): Move check for ELF format to
2216         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2217         attributes from a regular object only when we have determined that
2218         it is aapropriate.  Do not create an .ARM.attributes section in
2219         output if there is no regular input object.
2220         (Target_arm::merge_processor_specific_flags): Check
2221         --warn-mismatch before printing any error.
2222         (Target_arm::merge_object_attributes): Ditto.
2223         * gold.cc (queue_middle_tasks): Handle the case in which there is
2224         no regular object in input.
2225         * options.cc (General_options::parse_EB): New method.
2226         (General_options::parse_EL): Same.
2227         (General_options::General_options): Initialize endianness_.
2228         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2229         New options.
2230         (General_options::Endianness): New enum.
2231         (General_options::endianness): New method.
2232         (General_options::endianness_): New data member.
2233         * parameters.cc (Parameters::set_options): Check target endianness.
2234         (Parameters::set_target_once): Ditto.
2235         (Parameters::check_target_endianness): New method.
2236         (parameters_force_valid_target): If either -EL or -EB is specified,
2237         use it to define endianness of default target.
2238         * parameters.h (Parameters::check_target_endianness): New method
2239         declaration.
2240         * target.h (class Target): Change "endianity" to "endianness"
2241         in comments.
2243 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2245         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2246         * configure: Regenerate.
2247         * Makefile.in: Regenerate.
2248         * testsuite/Makefile.in: Regenerate.
2250 2010-04-06  Cary Coutant  <ccoutant@google.com>
2252         gcc PR lto/42757
2253         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2254         prevailing definitions of common symbols.
2255         * testsuite/plugin_test_6.sh: New test case.
2256         * testsuite/plugin_common_test_1.c: New test case.
2257         * testsuite/plugin_common_test_2.c: New test case.
2258         * testsuite/Makefile.am (plugin_test_6): New test case.
2259         * testsuite/Makefile.in: Regenerate.
2261 2010-04-06  Nick Clifton  <nickc@redhat.com>
2263         * po/vi.po: New Vietnamese translation.
2265 2010-03-30  Doug Kwan  <dougkwan@google.com>
2267         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2269 2010-03-25  Doug Kwan  <dougkwan@google.com>
2271         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2272         to avoid a conversion warning on a 32-bit host.
2274 2010-03-24  Ian Lance Taylor  <iant@google.com>
2276         * testsuite/script_test_3.t: Add a TLS segment.
2277         * testsuite/Makefile.am (check_PROGRAMS): Add
2278         tls_phdrs_script_test.
2279         (tls_phdrs_script_test_SOURCES): Define.
2280         (tls_phdrs_script_test_DEPENDENCIES): Define.
2281         (tls_phdrs_script_test_LDFLAGS): Define.
2282         (tls_phdrs_script_test_LDADD): Define.
2283         * testsuite/Makefile.in: Rebuild.
2285 2010-03-23  Cary Coutant  <ccoutant@google.com>
2287         * fileread.cc (find_or_make_view): Fix comment.
2289 2010-03-23  Ian Lance Taylor  <iant@google.com>
2291         * script-sections.cc (class Orphan_section_placement): Define
2292         PLACE_TLS and PLACE_TLS_BSS.
2293         (Orphan_section_placement::Orphan_section_placement): Initialize
2294         new places.
2295         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
2296         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
2297         (tls_script_test_SOURCES): Define.
2298         (tls_script_test_DEPENDENCIES): Define.
2299         (tls_script_test_LDFLAGS): Define.
2300         (tls_script_test_LDADD): Define.
2301         * testsuite/Makefile.in: Rebuild.
2303 2010-03-22  Doug Kwan  <dougkwan@google.com>
2305         * arm.cc (Arm_relocate_functions::abs8,
2306         Arm_relocate_functions::abs16): Use correct check for overflow
2307         specified in the ARM ELF specs.
2308         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
2309         target of a BLX instruction specially.
2310         (Reloc_stub::stub_type_for_reloc): Ditto.
2311         (Relocate::relocate): Use symbolic names instead of numeric relocation
2312         codes to report error.
2313         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
2314         workaround.
2315         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
2316         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
2317         thumb2_blx_out_of_range.stdout
2318         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
2319         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
2320         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
2321         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
2322         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
2323         thumb2_blx_in_range, thumb2_blx_in_range.o,
2324         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
2325         thumb2_blx_out_of_range.o): New rules.
2326         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
2327         thumb2_blx_in_range and thumb2_blx_out_of_range.
2328         * testsuite/Makefile.in: Regenerate.
2329         * arm_branch_in_range.sh: Add tests for THUMB BLX.
2330         * testsuite/thumb_blx_in_range.s: New file.
2331         * testsuite/thumb_blx_out_of_range.s: New file.
2333 2010-03-22  Rafael Espindola  <espindola@google.com>
2335         * archive.cc (Should_include): Move to archive.h.
2336         (should_include_member): Make it a member of Archive.
2337         (Lib_group): New.
2338         (Add_lib_group_symbols): New.
2339         * archive.h: Include options.h.
2340         (Archive_member): Moved from Archive.
2341         (Should_include): Moved from archive.cc.
2342         (Lib_group): New.
2343         (Add_lib_group_symbols): New.
2344         * dynobj.cc (do_should_include_member): New.
2345         * dynobj.h (do_should_include_member): New.
2346         * gold.cc (queue_initial_tasks): Update call to queue.
2347         * main.cc (main): Print lib group stats.
2348         * object.cc (do_should_include_member): New.
2349         * object.h: Include archive.h.
2350         (Object::should_include_member): New.
2351         (Object::do_should_include_member): New.
2352         (Sized_relobj::do_should_include_member): New.
2353         * options.cc (General_options::parse_start_lib): New.
2354         (General_options::parse_end_lib): New.
2355         (Input_arguments::add_file): Handle lib groups.
2356         (Input_arguments::start_group): Check we are not in a lib.
2357         (Input_arguments::start_lib): New.
2358         (Input_arguments::end_lib): New.
2359         * options.h (General_options): Add start_lib and end_lib.
2360         (Input_argument::lib_): New.
2361         (Input_argument::lib): New.
2362         (Input_argument::is_lib): New.
2363         (Input_file_lib): New.
2364         (Input_arguments::in_lib_): New.
2365         (Input_arguments::in_lib): New.
2366         (Input_arguments::start_lib): New.
2367         (Input_arguments::end_lib_): New.
2368         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
2369         in unused members as preempted.
2370         (Sized_pluginobj::do_should_include_member): New.
2371         * plugin.h (Sized_pluginobj::do_should_include_member): New.
2372         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
2373         return the blocker.
2374         (Read_symbols::do_whole_lib_group): New.
2375         (Read_symbols::do_lib_group): New.
2376         (Read_symbols::do_read_symbols): Handle lib groups.
2377         (Read_symbols::get_name): Handle lib groups.
2378         * readsyms.h (Read_symbols): Add an archive member pointer.
2379         (Read_symbols::do_whole_lib_group): New.
2380         (Read_symbols::do_lib_group): New.
2381         (Read_symbols::member_): New.
2382         * script.cc (read_input_script): Update call to queue_soon.
2384 2010-03-19  Doug Kwan  <dougkwan@google.com>
2386         * arm.cc (Stub_table::Stub_table): Initialize new data members
2387         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2388         (Stub_table::add_reloc_stub): Assign stub offset and update
2389         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2390         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
2391         New data members.
2392         (Stub_table::update_data_size_and_addralign): Use
2393         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
2394         instead of going over all reloc stubs.
2395         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
2396         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2397         Stringpool_template::offset_ to size of Stringpool_char.
2398         (Stringpool_template::new_key_offset): Remove code to initialize
2399         Stringpool_template::offset_.
2400         * stringpool.h (Stringpool_template::set_no_zero_null): Set
2401         Stringpool_template::offset_ to zero.
2403 2010-03-15  Doug Kwan  <dougkwan@google.com>
2405         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2406         offset_.
2407         (Stringpool_template::new_key_offset): New method.
2408         (Stringpool_template::add_string): Assign offsets when adding new
2409         strings.
2410         (Stringpool_template::set_string_offsets): Do not set string offsets
2411         when not optimizing.
2412         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
2413         member size_.
2414         (Chunked_vector::clear): Clear size_.
2415         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
2416         (Chunked_vector::size): Return size_.
2417         (Chunked_vector::push_back): Use size_ to find insert position.
2418         (Chunked_vector::size_): New data member.
2419         (Stringpool_template::set_no_zero_null): Assert string set is empty.
2420         (Stringpool_template::new_key_offset): New method declaration.
2421         (Stringpool_template::offset_): New data member.
2423 2010-03-15   Rafael Espindola  <espindola@google.com>
2425         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
2426         Add_symbols' constructor.
2427         * readsyms.h (Add_symbols): Remove the input_group member.
2429 2010-03-10  Ian Lance Taylor  <iant@google.com>
2431         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
2432         target to ask whether a reference to a symbol requires a stack
2433         split.
2434         * target.h (Target::is_call_to_non_split): New function.
2435         (Target::do_is_call_to_non_split): Declare virtual function.
2436         * target.cc: Include "symtab.h".
2437         (Target::do_is_call_to_non_split): New function.
2438         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
2440 2010-03-10  Cary Coutant  <ccoutant@google.com>
2442         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2443         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2444         (File_read::open[2]): Add whole_file_view_ to list of views.
2445         (File_read::make_view): Remove test of whole_file_view_.
2446         (File_read::find_or_make_view): Create whole_file_view_ if
2447         necessary.
2448         (File_read::clear_views): Replace bool parameter with enum;
2449         adjust all callers.  Don't delete views with permanent data;
2450         do delete cached views and views from archives if
2451         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2452         if clearing the corresponding view.
2453         * fileread.h (File_read::Clear_views_mode): New enum.
2454         (File_read::View::is_permanent_view): New method.
2455         (File_read::clear_views): Replace bool parameter
2456         with enum; adjust all callers.
2457         * options.h (General_options): Change keep_files_mapped option;
2458         add map_whole_files.
2459         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2460         releasing the file.
2461         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2462         the file.
2464 2010-03-10  David S. Miller  <davem@davemloft.net>
2466         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2468 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2470         * icf.cc (get_section_contents): Add '@' marker after processing the
2471         merge reloc.
2473 2010-03-08  Doug Kwan  <dougkwan@google.com>
2475         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2476         due to a conversion warning.
2477         (Arm_relobj::update_output_local_symbol_count): Check for local
2478         symbol with unset output index.
2480 2010-03-05  Ian Lance Taylor  <iant@google.com>
2482         * options.h (class General_options): Add --spare-dynamic-tags.
2483         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2484         --spare-dynamic-tags.
2486 2010-03-05  Ian Lance Taylor  <iant@google.com>
2488         * incremental.cc: Include "libiberty.h".
2490 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2492         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2493         function, is_info_ member.
2494         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2495         (Versions::Versions): Update caller.
2496         (Versions::define_base_version): Likewise.
2497         (Versions::add_def): Likewise.
2499 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2501         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2502         (Scan::possible_function_pointer_reloc): New function.
2503         (Scan::local_reloc_may_be_function_pointer): Change to call
2504         possible_function_pointer_reloc.
2505         (Scan::global_reloc_may_be_function_pointer): Ditto.
2506         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2507         relocations in ".data.rel.ro._ZTV" section.
2508         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2509         * testsuite/icf_safe_so_test.cc: Ditto.
2510         * testsuite/icf_safe_test.cc: Ditto.
2511         * testsuite/icf_safe_test.sh: Ditto.
2513 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2514             Ian Lance Taylor  <iant@google.com>
2516         * target-reloc.h (relocate_section): Check the symbol table index
2517         for -1U before setting the local symbol index.
2518         (scan_relocatable_relocs): If copying the relocation, record that
2519         the local symbol is required.
2520         * object.h (Symbol_value::is_output_symtab_index_set): New
2521         function.
2522         (Symbol_value::may_be_discarded_from_output_symtab): New
2523         function.
2524         (Symbol_value::has_output_symtab_entry): New function.
2525         (Symbol_value::needs_output_symtab_entry): Remove.
2526         (Symbol_value::output_symtab_index): Make sure the symbol index is
2527         set.
2528         (Symbol_value::set_output_symtab_index): Make sure the symbol
2529         index is not set.  Make sure the new index is valid.
2530         (Symbol_value::set_must_have_output_symtab_entry): New function.
2531         (Symbol_value::has_output_dynsym_entry): New function.
2532         (Symbol_value::set_output_dynsym_index): Make sure the new index
2533         is valid.
2534         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2535         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2536         local symbol if permitted.
2537         (Sized_relobj::do_finalize_local_symbols): Call
2538         is_output_symtab_index_set rather than needs_output_symtab_entry.
2539         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2540         rather than needs_output_symtab_entry.  Call
2541         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2542         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2543         is_output_symtab_index_set rather than needs_output_symtab_entry.
2544         * testsuite/discard_locals_relocatable_test.c: New file.
2545         * testsuite/discard_locals_test.sh: Test -r.
2546         * testsuite/Makefile.am (check_DATA): Add
2547         discard_locals_relocatable_test1.syms,
2548         discard_local_relocatable_test2.syms.
2549         (MOSTLYCLEANFILES): Likewise.  Also add
2550         discard_locals_relocatable_test1.lout and
2551         discard_locals_relocatable_test2.out.
2552         (discard_locals_relocatable_test1.syms): New target.
2553         (discard_locals_relocatable_test.o): New target.
2554         (discard_locals_relocatable_test1.out): New target.
2555         (discard_locals_relocatable_test2.syms): New target.
2556         (discard_locals_relocatable_test2.out): New target.
2557         (various): Add missing ../ld-new dependencies.
2558         * testsuite/Makefile.in: Rebuild.
2560 2010-03-03  Nick Clifton  <nickc@redhat.com>
2562         * po/fi.po: New Finnish translation.
2564 2010-03-01  Doug Kwan  <dougkwan@google.com>
2566         * layout.cc (Layout::Layout): Force section types of .init_array*,
2567         .preinit_array* and .fini_array* sections.
2568         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2569         Fix check of return value of std::string::find.().
2570         (Output_section::Input_section_sort_compare::operator()): Remove
2571         comment about .init_array.
2572         (Output_section::Input_section_sort_init_fini_compare::operator()):
2573         New method.
2574         (Output_section::sort_attached_input_sections): Handle .init_array
2575         and .fini_array specially.
2576         * output.h (Output_section::Inut_section_sort_compare): Update
2577         comment.
2578         (Output_section::Input_section_sort_init_fini_compare): New struct.
2580 2010-02-26  Doug Kwan  <dougkwan@google.com>
2582         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2583         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2584         * testsuite/debug_msg.sh: Avoid matching source line number for
2585         use of global variable undef_int.
2587 2010-02-26  Doug Kwan  <dougkwan@google.com>
2589         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2590         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2591         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2592         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2593         * options.cc (General_options::General_options): Initialize member
2594         fix_v4bx_.
2595         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2596         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2597         and rm_no_fix_v4bx.stdout
2598         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2599         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2600         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2601         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2602         and arm_no_fix_v4bx.
2603         * Makefile.in: Regenerate.
2604         * testsuite/arm_fix_v4bx.s: New file.
2605         * testsuite/arm_fix_v4bx.sh: Ditto.
2607 2010-02-24  Doug Kwan  <dougkwan@google.com>
2609         * arm.cc (Target_arm::got_section): Make the .got section the first
2610         non RELRO section in the data segment.
2611         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2612         suffixes of section names.
2614 2010-02-24  Doug Kwan  <dougkwan@google.com>
2616         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2617         flags and attributes merging if an input file is a binary file.
2618         * fileread.cc (Input_file::open): Record format of original file.
2619         * fileread.h (Input_file::Format): New enum type.
2620         (Input_file::Input_file): Initialize data member format_.
2621         (Input_file::format): New method definition.
2622         (Input_file::format_):: New data member.
2624 2010-02-24  Doug Kwan  <dougkwan@google.com>
2626         * arm.cc (Arm_output_data_got): New class.
2627         (ARM_TCB_SIZE): New constant
2628         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2629         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2630         If user uses a script with a SECTIONS clause, issue only a warning
2631         for a misplaced EXIDX input section.  Otherwise, issue an error.
2632         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2633         garbage collection.
2634         (Target_arm::got_mode_index_entry): Handle static linking.
2635         (Target_arm::Scan::local): Ditto.
2636         (Target_arm::Scan::global): Ditto.
2637         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2638         all incorrectly implemented relocations.
2639         (Target_arm::fix_exidx_coverage): Pass layout to
2640         Arm_output_section::fix_exidx_coverage.
2641         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2642         from ".ARM.exidx." and ".ARM.extab.".
2644 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2646         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2647         section if it does not already exist.
2648         * attributes.cc (Attributes_section_data::Attributes_section_data):
2649         Don't crash if size is zero.
2651 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2652             Ian Lance Taylor  <iant@google.com>
2654         * gold.cc (queue_middle_tasks): If no input files were opened,
2655         exit.
2656         * workqueue.h (Task_function::Task_function): Assert that there is
2657         a blocker.
2659 2010-02-22  Doug Kwan  <dougkwan@google.com>
2661         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2662         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2663         types to avoid warnings due to different uint64_t implementations
2664         on different hosts.
2666 2010-02-21  Doug Kwan  <dougkwan@google.com>
2668         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2669         handling of the maximum backward branch offset.
2670         (Arm_relocate_functions::thumb_branch_common): Ditto.
2671         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2672         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2673         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2674         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2675         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2676         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2677         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2678         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2679         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2680         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2681         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2682         thumb2_bl_out_of_range.o): New rules.
2683         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2684         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2685         thumb2_bl_out_of_range
2686         * testsuite/Makefile.in: Regenerate.
2687         * testsuite/arm_bl_in_range.s: New file.
2688         * testsuite/arm_bl_out_of_range.s: Ditto.
2689         * testsuite/arm_branch_in_range.sh: Ditto.
2690         * testsuite/arm_branch_range.t: Ditto.
2691         * testsuite/thumb2_branch_range.t: Ditto.
2692         * testsuite/thumb_bl_in_range.s: Ditto.
2693         * testsuite/thumb_bl_out_of_range.s: Ditto.
2694         * testsuite/thumb_branch_range.t: Ditto.
2696 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2698         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2699         Add reloc offset information.
2700         * icf.cc (get_section_contents): Change iterators to point to the new
2701         vectors. Add reloc offset information to the contents.
2702         * icf.h (Icf::Sections_reachable_info): New typedef.
2703         (Icf::Sections_reachable_list): New typedef.
2704         (Icf::Offset_info): New typedef.
2705         (Icf::Reloc_info): New struct typedef.
2706         (Icf::Reloc_info_list): New typedef.
2707         (Icf::symbol_reloc_list): Delete method.
2708         (Icf::addend_reloc_list): Delete method.
2709         (Icf::section_reloc_list): Delete method.
2710         (Icf::reloc_info_list): New method.
2711         (Icf::reloc_info_list_): New member.
2713 2010-02-19  Doug Kwan  <dougkwan@google.com>
2715         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2716         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2717         * arm.cc (Arm_relocation_functions): New forward declaration.
2718         (Target_arm::Target_arm): Initialize new data members
2719         got_mod_index_offset_ and tls_base_symbol_defined_.
2720         (Target_arm::Relocate::relocate_tls): New method.
2721         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2722          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2723         New methods.
2724         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2725         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2726         (Target_arm::got_mod_index_offset_,
2727         Target_arm::tls_base_symbol_defined_): New data members.
2728         (Target_arm::Scan::local, Target::Scan::global,
2729         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2730         relocations.
2732 2010-02-18  Doug Kwan  <dougkwan@google.com>
2734         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2735         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2736         text section as a parameter becuase some broken tools may not set
2737         the link in section header.
2738         (Target_arm::has_got_section): New method.
2739         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2740         without any mapping symbol as data only.  Remove warning.
2741         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2742         link in its section header, try to discover the link by inspecting the
2743         REL31 relocation at the beginning of the section.
2744         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2745         in error message.
2746         (Target_arm::Scan::global): Treat any reference to the symbol
2747         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2749 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2751         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2752         (Scan::global_reloc_may_be_function_pointer): New function.
2753         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2754         (Scan::global_reloc_may_be_function_pointer): New function.
2755         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2756         (Scan::global_reloc_may_be_function_pointer): New function.
2757         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2758         (Scan::global_reloc_may_be_function_pointer): New function.
2759         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2760         (Scan::global_reloc_may_be_function_pointer): New function.
2761         (Scan::possible_function_pointer_reloc): New function.
2762         (Target_x86_64::can_check_for_function_pointers): New function.
2763         * gc.h (gc_process_relocs): Scan relocation types to determine if
2764         function pointers were taken for targets that support it.
2765         * icf.cc (Icf::find_identical_sections): Include functions for
2766         folding in safe ICF whose pointer is not taken.
2767         * icf.h (Secn_fptr_taken_set): New typedef.
2768         (fptr_section_id_): New member.
2769         (section_has_function_pointers): New function.
2770         (set_section_has_function_pointers): New function.
2771         (check_section_for_function_pointers): New function.
2772         * options.h: Fix comment for safe ICF option.
2773         * target.h (can_check_for_function_pointers): New function.
2774         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2775         Modify icf_safe_test for X86-64.
2776         * testsuite/Makefile.in: Regenerate.
2777         * testsuite/icf_safe_so_test.cc: New file.
2778         * testsuite/icf_safe_so_test.sh: New file.
2779         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2780         (main): Change to take pointer to function kept_func_3.
2781         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2782         folding is done correctly for X86-64.
2784 2010-02-12  David S. Miller  <davem@davemloft.net>
2786         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2787         is_symbolless parameter.
2788         (Output_reloc<SHT_REL>::is_symbolless): New.
2789         (Output_reloc<SHT_REL>::is_symbolless_): New.
2790         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2791         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2792         (Output_reloc<SHT_RELA>::is_symbolless): New.
2793         (Output_data_reloc::add_global): Handle is_symbolless.
2794         (Output_data_reloc::add_global_relative): Likewise.
2795         (Output_data_reloc::add_local): Likewise.
2796         (Output_data_reloc::add_local_relative): Likewise.
2797         (Output_data_reloc::add_symbolless_global_addend): New.
2798         (Output_data_reloc::add_symbolless_local_addend): New.
2799         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2800         is_symbolless.
2801         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2802         instead of ->is_relative_
2803         (Output_reloc::write): Likewise.
2804         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2805         (Output_reloc::write_rel): Simplify.
2807         * sparc.cc (Target_sparc::Scan::local): Use
2808         ->add_symbolless_local_addend as needed.
2809         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2810         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2811         based upon relocation offset.
2813 2010-02-11  Doug Kwan  <dougkwan@google.com>
2815         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2816         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2817         beginning of function.
2818         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2819         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2820         parameter is_32bit in calls to should_apply_static_reloc.
2821         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2822         (check_DATA): Add arm_abs_global.stdout.
2823         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2824         arm_abs_global.stdout): New rules.
2825         (MOSTLLYCLEANFILES): Add arm_abs_global
2826         * Makefile.in: Regenerate.
2827         * testsuite/arm_abs_global.s: New file.
2828         * testsuite/arm_abs_global.sh: Ditto.
2829         * testsuite/arm_abs_lib.s: Ditto.
2831 2010-02-11  Ian Lance Taylor  <iant@google.com>
2833         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2834         Read_relocs task.
2835         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2836         Allocate_commons_task first.
2837         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2838         task, rather than symtab_lock_.
2839         (Gc_process_relocs::~Gc_process_relocs): New function.
2840         (Gc_process_relocs::is_runnable): Check this_blocker_.
2841         (Gc_process_relocs::locks): Use next_blocker_ rather than
2842         blocker_.
2843         (Scan_relocs::~Scan_relocs): New function.
2844         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2845         symtab_lock_.
2846         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2847         next_blocker_.
2848         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2849         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2850         constructor accordingly.
2851         (class Gc_process_relocs): Likewise.
2852         (class Scan_relocs): Likewise.
2853         * common.h (class Allocate_commons_task): Remove symtab_lock_
2854         field, and corresponding constructor parameter.
2855         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2856         symtab_lock_.
2857         (Allocate_commons_task::locks): Likewise.
2859 2010-02-11  Ian Lance Taylor  <iant@google.com>
2861         * gold-threads.h (class Once): Define.
2862         (class Initialize_lock): Rewrite as child of Once.
2863         * gold-threads.cc (class Once_initialize): Define.
2864         (once_pointer_control): New static variable.
2865         (once_pointer, once_arg): New static variables.
2866         (c_run_once): New static function.
2867         (Once::Once, Once::run_once, Once::internal_run): New functions.
2868         (class Initialize_lock_once): Remove.
2869         (initialize_lock_control): Remove.
2870         (initialize_lock_pointer): Remove.
2871         (initialize_lock_once): Remove.
2872         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2873         (Initialize_lock::initialize): Rewrite.
2874         (Initialize_lock::do_run_once): New function.
2875         * archive.cc (Archive::interpret_header): Only clear name if it is
2876         not already empty.
2877         * fileread.cc: Include "gold-threads.h"
2878         (file_counts_lock): New static variable.
2879         (file_counts_initialize_lock): Likewise.
2880         (File_read::release): Only increment counts when using --stats.
2881         Use a lock around the increment.
2882         * parameters.cc (class Set_parameters_target_once): Define.
2883         (set_parameters_target_once): New static variable.
2884         (Parameters::Parameters): Move here from parameters.h.
2885         (Parameters::set_target): Rewrite.
2886         (Parameters::set_target_once): New function.
2887         (Parameters::clear_target): Move here and rewrite.
2888         * parameters.h (class Parameters): Update declarations.  Add
2889         set_parameters_target_once_ field.
2890         (Parameters::Parameters): Move to parameters.cc.
2891         (Parameters::clear_target): Likewise.
2892         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2893         task.
2894         (Start_group::~Start_group): New function.
2895         (Start_group::is_runnable): New function.
2896         (Start_group::locks, Start_group::run): New functions.
2897         (Finish_group::run): Change saw_undefined to size_t.
2898         * readsyms.h (class Start_group): Define.
2899         (class Finish_group): Change saw_undefined_ field to size_t.
2900         (Finish_group::Finish_group): Remove saw_undefined and
2901         this_blocker parameters.  Change all callers.
2902         (Finish_group::set_saw_undefined): New function.
2903         (Finish_group::set_blocker): New function.
2904         * symtab.h (class Symbol_table): Change saw_undefined to return
2905         size_t.  Change saw_undefined_ field to size_t.
2906         * target-select.cc (Set_target_once::do_run_once): New function.
2907         (Target_selector::Target_selector): Initialize set_target_once_
2908         field.  Don't initialize lock_ and initialize_lock_ fields.
2909         (Target_selector::instantiate_target): Rewrite.
2910         (Target_selector::set_target): New function.
2911         * target-select.h (class Set_target_once): Define.
2912         (class Target_selector): Update declarations.  Make
2913         Set_target_once a friend.  Remove lock_ and initialize_lock_
2914         fields.  Add set_target_once_ field.
2916 2010-02-10  Ian Lance Taylor  <iant@google.com>
2918         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2919         queueing any tasks.
2920         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2921         (queue_middle_tasks): Add all blockers before queueing any tasks.
2922         (queue_final_tasks): Likewise.
2923         * token.h (Task_token::add_blockers): New function.
2924         * object.h (Input_objects::number_of_relobjs): New function.
2926 2010-02-10  Ian Lance Taylor  <iant@google.com>
2928         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2929         shared, not if not position independent.
2930         * x86_64.cc (Relocate::relocate_tls): Likewise.
2931         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2932         (tls_pie_pic_test): New target.
2933         * testsuite/Makefile.in: Rebuild.
2935         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2936         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2937         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2938         * testsuite/Makefile.in: Rebuild.
2940 2010-02-09  David S. Miller  <davem@davemloft.net>
2942         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2943         R_SPARC_RELATIVE using ->add_local_relative().
2944         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2946         * output.h (Output_data_dynamic::add_section_size): New method
2947         that takes two Output_data objects.
2948         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2949         entry param.  Handle it in initializers.
2950         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2951         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2952         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2953         arg.
2954         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2955         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2956         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2957         for dynrel_includes_plt.
2958         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2959         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2960         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2961         before .rela.plt
2962         (Target_sparc::do_finalize_sections): Update to pass true for
2963         dynrel_includes_plt.
2964         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2965         output before .rela.plt
2966         (Target_powerpc::do_finalize_sections): Update to pass true for
2967         dynrel_includes_plt when 32-bit.
2969 2010-02-08  Doug Kwan  <dougkwan@google.com>
2971         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2972         method.
2973         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2974         Arm_relobj::scan_section_for_cortex_a8_stubs,
2975         Arm_relobj::do_relocation_section): Instead of calling
2976         Output_section::output_address, use faster
2977         Arm_relobj::simple_input_section_output_address.
2979 2010-02-08  David S. Miller  <davem@davemloft.net>
2981         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2982         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2983         relocation helper function.
2985         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2986         just like R_SPARC_GOT{10,13,22}.
2987         (Target_sparc::Scan::local): Likewise.
2988         (Target_sparc::Relocate:relocate): Likewise.
2990 2010-02-06  Ian Lance Taylor  <iant@google.com>
2992         * configure.ac: Rewrite targetobjs duplicate removal code to use
2993         only shell constructs.
2994         * configure: Rebuild.
2996 2010-02-05  Doug Kwan  <dougkwan@google.com>
2998         PR 11247
2999         * arm.cc (Arm_relobj::section_is_scannable): New method.
3000         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
3001         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
3003 2010-02-04  Doug Kwan  <dougkwan@google.com>
3005         PR 11247
3006         * arm-reloc-property.cc (cstdio): Include.
3007         * configure.ac (targetobjs): Remove duplicates.
3008         * configure: Regenerate.
3009         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
3010         big and little endian version for a given address size.
3012 2010-02-03  Doug Kwan  <dougkwan@google.com>
3014         * arm-reloc-property.cc
3015         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3016         definition.
3017         * arm-reloc-property.h
3018         (Arm_reloc_property_table::get_implemented_static_reloc_property):
3019         New method definition.
3020         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3021         declaration.
3022         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
3023         overflow to N.
3024         (GOT_PREL): Change implemented to Y.
3025         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
3026         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
3027         (Arm_relocate_functions::movw_abs_nc): Remove method.
3028         (Arm_relocate_functions::movt_abs): Ditto.
3029         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
3030         (Arm_relocate_functions::thm_movt_abs): Ditto.
3031         (Arm_relocate_functions::movw_rel_nc): Ditto.
3032         (Arm_relocate_functions::movw_rel): Ditto.
3033         (Arm_relocate_functions::movt_rel): Ditto.
3034         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
3035         (Arm_relocate_functions:thm_movw_rel): Ditto.
3036         (Arm_relocate_functions:thm_movt_rel): Ditto.
3037         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
3038         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
3039         New method definitions.
3040         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
3041         (Arm_relocation_functions::arm_grp_ldr): Ditto.
3042         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
3043         (Arm_relocation_functions::arm_grp_ldc): Ditto.
3044         (Target_arm::Relocate::relocate): Check for non-static or
3045         unimplemented relocation code and exit early.  Change calls to
3046         Target_arm::reloc_uses_thumb_bit and
3047         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
3048         instead.  Refactor code to handle similar relocations to increase
3049         code sharing.  Remove check for unsupported relocation code in switch
3050         statement.
3051         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
3052         relocation property table to find out size.  Change error message to
3053         print out the name of a relocation code instead of the numeric value.
3054         (Target_arm::scan_reloc_for_stub): Use relocation property table
3055         instead of calling Target_arm::reloc_uses_thumb_bit().
3057 2010-02-02  Doug Kwan  <dougkwan@google.com>
3059         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
3060         types of relaxed input section.
3062 2010-02-02  Doug Kwan  <dougkwan@google.com>
3064         * Makefile.am (HFILES): Add arm-reloc-property.h.
3065         (DEFFILES): New.
3066         (TARGETSOURCES): Add arm-reloc-property.cc
3067         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
3068         (libgold_a_SOURCES): $(DEFFILES)
3069         * Makefile.in: Regenerate.
3070         * arm-reloc-property.cc: New file.
3071         * arm-reloc-property.h: New file.
3072         * arm-reloc.def: New file.
3073         * arm.cc: Update comments.
3074         (arm-reloc-property.h): New included header.
3075         (arm_reloc_property_table): New global variable.
3076         (Target_arm::do_select_as_default_target): New method definition.
3077         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
3078         arm-reloc-property to targ_extra_obj.
3079         * parameters.cc (set_parameters_target): Call
3080         Target::select_as_default_target().
3081         * target.h (Target::select_as_default_target): New method definition.
3082         (Target::do_select_as_default_target): Same.
3084 2010-02-01  Doug Kwan  <dougkwan@google.com>
3086         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
3087         first_output_text_section_.
3088         (Arm_exidx_fixup::first_output_text_section): New method definition.
3089         (Arm_exidx_fixup::first_output_text_section_): New data member.
3090         (Arm_exidx_fixup::process_exidx_section): Record the first text
3091         output section seen.
3092         (Arm_output_section::fix_exidx_coverage): Set correct linked section
3093         and entsize in output section header.
3095 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3097         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
3098         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
3099         (Arm_relocate_functions::thm_alu11): New Method.
3100         (Arm_relocate_functions::thm_pc8): New Method.
3101         (Arm_relocate_functions::thm_pc12): New Method.
3102         (Target_arm::Scan::local): Handle the relocations.
3103         (Target_arm::Scan::global): Likewise.
3104         (Target_arm::Relocate::relocate): Likewise.
3105         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3107 2010-01-29  Doug Kwan  <dougkwan@google.com>
3109         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
3110         of relocation types as ld.
3112 2010-01-29  Doug Kwan  <dougkwan@google.com>
3114         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
3115         to public.
3116         (Arm_relocate_functions::thumb_branch_common): Ditto.
3117         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
3118         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
3119         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
3120         Arm_relocate_functions::jump24): Remove.
3121         (Target_arm::Relocate::relocate): Adjust code to call
3122         Arm_relocation_functions::arm_branch_common and
3123         Arm_relocation_functions::thumb_branch_common instead of their removed
3124         wrappers.  Merge switch-cases together to reduce source code size.
3126 2010-01-29  Doug Kwan  <dougkwan@google.com>
3128         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
3129         output_local_symbol_count_needs_update_.
3130         (Arm_relobj::output_local_symbol_count_needs_update,
3131          Arm_relobj::set_output_local_symbol_count_needs_update,
3132          Arm_relobj::update_output_local_symbol_count): New methods.
3133         (Arm_relobj::output_local_symbol_count_needs_update_): New data
3134         member.
3135         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
3136         of pointed function as in a R_ARM_PREL31 relocation.
3137         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
3138         for output local symbol count updating.
3139         (Target_arm::do_relax): Update output local symbol counts in objects
3140         if necessary.
3141         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
3143 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3145         * arm.cc: Added support for the ARM relocations:
3146         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
3147         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
3148         (Arm_relocate_functions::movw_rel_nc): Renamed (was
3149         movw_prel_nc).
3150         (Arm_relocate_functions::movw_rel): New method.
3151         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
3152         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
3153         thm_movw_prel_nc).
3154         (Arm_relocate_functions::thm_movw_rel): New method.
3155         (Arm_relocate_functions::thm_movt_rel): Renamed (was
3156         thm_movt_prel).
3157         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
3158         relocations.
3159         (Target_arm::Scan::global): Likewise.
3160         (Target_arm::Relocate::relocate): Likewise.
3161         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3162         Likewise.
3164 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3166         * arm.cc: Added support for ARM group relocations.
3167         (Target_arm::reloc_needs_sym_origin): New method.
3168         (Arm_relocate_functions::calc_grp_kn): New method.
3169         (Arm_relocate_functions::calc_grp_residual): New method.
3170         (Arm_relocate_functions::calc_grp_gn): New method.
3171         (Arm_relocate_functions::arm_grp_alu): New Method.
3172         (Arm_relocate_functions::arm_grp_ldr): New Method.
3173         (Arm_relocate_functions::arm_grp_ldrs): New Method.
3174         (Arm_relocate_functions::arm_grp_ldc): New Method.
3175         (Target_arm::Scan::local): Handle the ARM group relocations.
3176         (Target_arm::Scan::global): Likewise.
3177         (Target_arm::Relocate::relocate): Likewise.
3178         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3179         Likewise.
3181 2010-01-26  Doug Kwan  <dougkwan@google.com>
3183         * arm.cc (set): Include.
3184         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3185         pointer type.
3186         (Arm_output_section::Text_section_list): New type.
3187         (Arm_output_section::append_text_sections_to_list): New method.
3188         (Arm_output_section::fix_exidx_coverage): Ditto.
3189         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3190         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3191         Relobj::set_section_offset() instead of
3192         Sized_relobj::invalidate_section_offset().
3193         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3194         parameter for section headers. Ignore relocation sections for
3195         unallocated sections and EXIDX sections.
3196         (Target_arm::fix_exidx_coverage): New method.
3197         (Target_arm::output_section_address_less_than): New type.
3198         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3199         linked text section instead of the EXIDX section.
3200         (Arm_output_section::create_stub_group): Add an assertion to check
3201         that this is not an EXIDX output section.
3202         (Arm_output_section::append_text_sections_to_list): New method.
3203         (Arm_output_section::fix_exidx_coverage): Ditto.
3204         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3205         Arm_relobj::section_needs_reloc_stub_scanning.
3206         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3207         first pass.
3208         (Target_arm::fix_exidx_coverage): New method.
3209         * object.h (Relobj::set_output_section): New method.
3210         (Sized_relobj::invalidate_section_offset): Remove method.
3211         (Sized_relobj::do_invalidate_section_offset): Remove method.
3212         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3214 2010-01-25  Doug Kwan  <dougkwan@google.com>
3216         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3217         Fix warning due to signed and unsigned comparison on a 32-bit host.
3219 2010-01-22  Doug Kwan  <dougkwan@google.com>
3221         * arm.cc (Target_arm::do_relax): Record an output section for section
3222         offset adjustment it contains any stub table that has changed.
3223         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3224         offsets in an output section if necessary.
3225         * output.cc (Output_section::Output_section): Initialize
3226         section_offsets_need_adjustments_.
3227         (Output_section::add_input_section_for_script): Renamed to
3228         Output_section::add_simple_input_section.
3229         (Output_section::save_states): Add a comment.
3230         (Output_section::discard_states): New method defintion.
3231         (Output_section::adjust_section_offsets): Same.
3232         * output.h (Output_section::add_input_section_for_script): Renamed to
3233         Output_section::add_simple_input_section.
3234         (Output_section::discard_states): New method declaration.
3235         (Output_section::adjust_section_offsets): Same.
3236         (Output_section::section_offsets_need_adjustment,
3237         Output_section::set_section_offsets_need_adjustment): New method
3238         definitions.
3239         (Output_section::section_offsets_need_adjustment_): New data member.
3240         * script-sections.cc
3241         (Output_section_element_input::set_section_address): Adjust code for
3242         renaming of Output_section::add_input_section_for_script.
3243         (Orphan_output_section::set_section_address): Same.
3245 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3247         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3248         Fix_v4bx enum values .
3249         * gold/options.h (General_options): New option definitions.
3250         (General_options::fix_v4bx): New method.
3251         (General_options::Fix_v4bx): New enum.
3252         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3253         (General_options::parse_fix_v4bx_interworking): New method.
3255 2010-01-22  Doug Kwan  <dougkwan@google.com>
3257         * arm.cc (Arm_exidx_fixup): New class.
3259 2010-01-21  Doug Kwan  <dougkwan@google.com>
3261         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3262         classes.
3263         (Arm_exidx_section_offset_map): New type.
3265 2010-01-21  Doug Kwan  <dougkwan@google.com>
3267         * arm.cc (Arm_exidx_input_section): New class.
3268         (Arm_relobj::exidx_input_section_by_link,
3269         Arm_relobj::exidx_input_section_by_shndx,
3270         Arm_relobj::make_exidx_input_section): New methods.
3271         (read_arm_attributes_section): Remove.
3272         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3273         information about them.
3274         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
3275         to here.
3277 2010-01-20  Doug Kwan  <dougkwan@google.com>
3279         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
3280         Input_section_specifier to Section_id.
3281         (Target_arm::new_arm_input_section: Adjust code for change of key
3282         type.
3283         (Target_arm::find_arm_input_section): Ditto.
3284         * gc.h (object.h): Include for Section_id nand Section_id_hash.
3285         (Section_id): Remove.
3286         (Garbage_collection::Section_id_hash): Remove.
3287         * icf.h (object.h): Include for Section_id nand Section_id_hash.
3288         (Section_id): Remove.
3289         (Icf::Section_id_hash): Remove.
3290         * object.h (Section_id, Const_section_id, Section_id_hash,
3291         Const_section_id_hash): New type definitions.
3292         * output.cc (Output_section::add_relaxed_input_section): Change to
3293         use Const_section_id instead of Input_section_specifier as key type.
3294         (Output_section::add_merge_input_section): Ditto.
3295         (Output_section::build_relaxation_map): Change to use Section_id
3296         instead of Input_section_specifier as key type.
3297         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3298         Ditto.
3299         (Output_section::convert_input_sections_to_relaxed_sections): Change
3300         to use Const_section_id instead of Input_section_specifier as key type.
3301         (Output_section::find_merge_section): Ditto.
3302         (Output_section::find_relaxed_input_section): Ditto.
3303         * output.h (Input_section_specifier): Remove class.
3304         (Output_section::Output_section_data_by_input_section_map): Change
3305         key type to Const_section_id.
3306         (Output_section::Output_relaxed_input_section_by_input_section_map):
3307         Ditto.
3308         (Output_section::Relaxation_map): Change key type to Section_id.
3310 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3312         * gold/arm.cc: Added support for R_ARM_V4BX relocation
3313         (class Arm_v4bx_stub): New class.
3314         (DEF_STUBS): Updated definition to support v4_veneer_bx.
3315         (Stub_factory::make_arm_v4bx_stub): New method.
3316         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
3317         (Stub_table::empty): Handle v4bx stubs.
3318         (Stub_table::add_arm_v4bx_stub): New method.
3319         (Stub_table::find_arm_v4bx_stub): New method.
3320         (Arm_relocate_functions::v4bx): New method.
3321         (Target_arm::fix_v4bx): New method.
3322         (Target_arm::Target_arm): Handle R_ARM_V4BX.
3323         (Stub_table::relocate_stubs): Likewise.
3324         (Stub_table::do_write): Likewise.
3325         (Stub_table::update_data_size_and_addralign): Likewise.
3326         (Stub_table::finalize_stubs):  Likewise.
3327         (Target_arm::Scan::local): Likewise.
3328         (Target_arm::Scan::global): Likewise.
3329         (Target_arm::do_finalize_sections): Likewise.
3330         (Target_arm::Relocate::relocate): Likewise.
3331         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3332         Likewise.
3333         (Target_arm::scan_reloc_for_stub): Likewise.
3334         (Target_arm::scan_reloc_section_for_stubs): Likewise.
3336 2010-01-19  Ian Lance Taylor  <iant@google.com>
3338         * output.cc (Output_section_headers::do_sized_write): Write large
3339         segment count to sh_info field.
3340         (Output_file_header::do_sized_write): For large segment count,
3341         write PN_XNUM to e_phnum field.
3343 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3345         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
3346         (Arm_relocate_functions::thm_jump8): New function.
3347         (Arm_relocate_functions::thm_jump11): New function.
3348         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
3349         R_ARM_THM_JUMP11.
3350         (Target_arm::Scan::global): Likewise.
3351         (Target_arm::Relocate::relocate): Likewise.
3352         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3353         Likewise.
3355 2010-01-14  Doug Kwan  <dougkwan@google.com>
3357         * arm.cc (map, utility): Include headers.
3358         (Target_arm::apply_cortex_a8_workaround): New method.
3359         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
3360         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
3361         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
3362         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
3363         the --[no-]fix-cortex-a8 command line options.
3364         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
3365         (Target_arm::relocate_stub): Use addend in instruction template.
3366         * options.h (DEFINE_bool): Set the user-set flag.
3367         (General_options): Add --[no-]-fix-cortex options.
3368         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
3369         : Update fast look-up map after conversion.
3371 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
3373         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
3374         in the first pass of do_layout.
3376 2010-01-13  Doug Kwan  <dougkwan@google.com>
3378         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3379         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
3380         apparent compiler problem of not folding static constant integral
3381         data members of elfcpp::Elf_sizes<32>.
3383 2010-01-13  Doug Kwan  <dougkwan@google.com>
3385         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3386         Arm_relobj::section_needs_cortex_a8_stub_scanning,
3387         Arm_relobj::scan_section_for_cortex_a8_erratum,
3388         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
3389         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
3390         sections to scan for relocation stubs into a new method
3391         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
3392         relocation and Cortex-A8 stub scanning.
3393         (Target_arm::do_relax): Force stubs to be after stubbed sections
3394         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
3395         the beginning of a new relaxation pass.  Update a comment.
3396         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
3398 2010-01-12  Ian Lance Taylor  <iant@google.com>
3400         * target-reloc.h (visibility_error): New inline function.
3401         (relocate_section): Call visibility_error.
3402         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
3403         (MOSTLYCLEANFILES): Likewise.
3404         (protected_4_pic.o, protected_3.err): New targets.
3405         * testsuite/protected_4.cc: New file.
3407 2010-01-12  Doug Kwan  <dougkwan@google.com>
3409         * arm.cc (Cortex_a8_reloc): New class.
3410         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
3411         and cortex_a8_relocs_info_.
3412         (Target_arm::fix_cortex_a8): New method definition.
3413         (Target_arm::Cortex_a8_relocs_info): New type.
3414         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
3415         New data member declarations.
3416         (Target_arm::scan_reloc_for_stub): Record information about
3417         relocations for THUMB branches that might be exempted from the
3418         Cortex-A8 workaround.
3419         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
3420         at the beginning of a relaxation pass.
3422 2010-01-12  Doug Kwan  <dougkwan@google.com>
3424         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
3425         (Arm_relobj::Mapping_symbol_position,
3426          Arm_reloj::Mapping_symbol_position_less,
3427          Arm_relobj::Mapping_symbols_info): New types.
3428         (Target_arm::is_mapping_symbol_name): New method definition.
3429         (Arm_relobj::do_count_local_symbols): Save information about mapping
3430         symbols.
3432 2010-01-11  Doug Kwan  <dougkwan@google.com>
3434         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
3435         Arm_relocate_functions::thumb32_branch_upper,
3436         Arm_relocate_functions::thumb32_branch_lower,
3437         Arm_relocate_functions::thumb32_cond_branch_offset,
3438         Arm_relocate_functions::thumb32_cond_branch_upper,
3439         Arm_relocate_functions::thumb32_cond_branch_lower,
3440         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
3441         branch offset encoding.
3442         (Arm_relocate_functions::thumb_branch_common): Use new branch
3443         offset encoding methods to avoid code duplication.
3444         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3445         (Stub_addend_reader::operator()): Use new branch encoding method
3446         to avoid code duplication.
3448 2010-01-11  Doug Kwan  <dougkwan@google.com>
3450         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3451         (Target_arm::do_finalize_sections): Define special EXIDX section
3452         symbols only if referenced.
3453         * gc.h (Garbage_collection::add_reference): New method.
3454         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3455         code duplication.
3457 2010-01-11  Ian Lance Taylor  <iant@google.com>
3459         * script.cc (Version_script_info::build_expression_list_lookup):
3460         Change complaing about duplicate wildcard match from error to
3461         warning.
3463         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3464         of 2009-12-30.
3465         (Version_script_info::Version_script_info): Initialize globs_,
3466         default_version_, default_is_global_, and exact_.  Don't
3467         initialize globals_ or locals_.
3468         (Version_script_info::build_lookup_tables): Build local symbols
3469         first.
3470         (Version_script_info::unquote): New function.
3471         (Version_script_info::add_exact_match): New function.
3472         (Version_script_info::build_expression_list_lookup): Remove lookup
3473         parameter.  Add is_global parameter.  Change all callers.  Handle
3474         wildcard pattern specially.  Unquote pattern.  Call
3475         add_exact_match.
3476         (Version_script_info::get_name_to_match): New function.
3477         (Version_script_info::get_symbol_version): New function.
3478         (Version_script_info::get_symbol_version_helper): Remove.
3479         (Version_script_info::check_unmatched_names): Call unquote.
3480         * script.h (class Version_script_info): Change get_symbol_version
3481         to be non-inline and add is_global parameter; change all callers.
3482         Rewrite symbol_is_local.  Update declarations.  Define struct
3483         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3484         Remove globals_ and locals_ members.  Add exact_, globs_,
3485         default_version_, is_global_.
3486         (Version_script_info::Glob): Remove pattern, add expression and
3487         is_global.  Update constructor.  Change all callers.
3488         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3489         default version.
3490         (Versions::symbol_section_contents): If a symbol is undefined, or
3491         defined in a dynamic object, set the version index to
3492         VER_NDX_LOCAL.
3493         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3494         symbol_is_local.
3495         (Symbol_table::add_from_pluginobj): Likewise.
3496         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3498 2010-01-11  Doug Kwan  <dougkwan@google.com>
3500         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3501         (incremental_dump_LDADD): Add linking option for libintl.
3502         * Makefile.in: Regenerate.
3504 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3506         PR gold/11144
3507         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3508         instead of -Ds.
3509         * testsuite/Makefile.in: Regenerated.
3511 2010-01-10  Doug Kwan  <dougkwan@google.com>
3513         * options.h (DEFINE_var): Use parentheses around argument varname__
3514         in macro body to avoid any unintended subsequent substitutions.
3516 2010-01-10  Ian Lance Taylor  <iant@google.com>
3518         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3519         candidates before doing symbol resolution.
3521         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3522         ODR candidates if only one is weak.
3524 2010-01-08  Ian Lance Taylor  <iant@google.com>
3526         * script.cc (Version_script_info::build_expression_list_lookup):
3527         Don't warn about ambiguous version, just record the ambiguity.
3528         (Version_script_info::get_symbol_version_helper): Give error if
3529         version is ambiguous.
3531 2010-01-08  Doug Kwan  <dougkwan@google.com>
3533         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3534           prev_data_size_ and prev_addralign_.  Remove initializer for
3535           deleted data member has_been_changed_.
3536           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3537           to determine if the table is empty.
3538           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3539           Remove.
3540           (Stub_table::add_reloc_stub): Define method in class definition
3541           instead of just declaring it there.
3542           (Stub_table::add_cortex_a8_stub): New method definition.
3543           (Stub_table::update_data_size_and_addralign): Ditto.
3544           (Stub_table::finalize_stubs): Ditto.
3545           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3546           (Stub_table::do_addralign_): Return address alignment in the
3547           (Stub_table::do_reset_address_and_file_offset): Define method in
3548           class definition instead of declaring it there.  Set current data
3549           size to be the data size of the previous pass.
3550           (Stub_table::set_final_data_size): Use current data size as the
3551           final data size.
3552           (Stub_table::relocate_stub): Change parameter type of stub from
3553           Reloc_stub pointer to Stub pointer.
3554           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3555           (Stub_table::Cortex_a8_stub_list): New typedef.
3556           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3557            Stub_table::prev_addralign_): New data member.
3558           (Arm_relobj::Arm_relobj): Initialize data member
3559           section_has_cortex_a8_workaround_.
3560           (Arm_relobj::section_has_cortex_a8_workaround,
3561            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3562            definitions.
3563           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3564           declarations.
3565           (Target_arm::relocate_stub): Change parameter type of stub from
3566           Reloc_stub pointer to Stub pointer.
3567           (Insn_template::size, Insn_template::alignment): Handle
3568           THUMB16_SPECIAL_TYPE.
3569           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3570            Stub_table::update_data_size_and_addralign,
3571            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3572           definitions.
3573           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3574           (Stub_table::do_write): Ditto.
3575           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3577 2010-01-08  Ian Lance Taylor  <iant@google.com>
3579         PR 11108
3580         * symtab.h (class Symbol): Remove fields is_target_special_ and
3581         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3582         (Symbol::is_defined_in_discarded_section): New function.
3583         (Symbol::set_is_defined_in_discarded_section): New function.
3584         (Symbol::has_plt_offset): Rewrite.
3585         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3586         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3587         Don't initialize is_target_special_ or has_plt_offset_.
3588         Initialize is_defined_in_discarded_section_.
3589         (Symbol_table::add_from_relobj): If appropriate, set
3590         is_defined_in_discarded_section.
3591         * resolve.cc (Symbol::override_base_with_special): Don't test
3592         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3593         * target-reloc.h (relocate_section): Do special handling for
3594         symbols defined in discarded sections for global symbols as well
3595         as local symbols.
3597 2010-01-08  Ian Lance Taylor  <iant@google.com>
3599         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3600         the SHT_SYMTAB case.
3602 2010-01-08  Ian Lance Taylor  <iant@google.com>
3604         * object.cc (Sized_relobj::do_layout): Don't get confused if
3605         layout_eh_frame returns NULL.
3607 2010-01-08  Ian Lance Taylor  <iant@google.com>
3609         PR 11084
3610         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3611         dynamic symbol table, use the normal symbol table.
3612         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3613         symbol table.
3615 2010-01-08  Ian Lance Taylor  <iant@google.com>
3617         PR 11072
3618         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3619         sections.
3621 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3623         * version.cc (print_version): Change to "Copyright 2010".
3625 2010-01-08  Ian Lance Taylor  <iant@google.com>
3627         PR 10287
3628         PR 11063
3629         * i386.cc (class Target_i386): Change return type of plt_section
3630         to be non-const.
3631         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3632         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3633         tls_desc_rel_ field.
3634         (Output_data_plt_i386::rel_tls_desc): New function.
3635         (Target_i386::rel_tls_desc_section): New function.
3636         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3637         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3638         R_386_TLS_DESC reloc in rel_tls_desc_section.
3639         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3640         Define struct Tlsdesc_info.
3641         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3642         (Target_x86_64::do_reloc_symbol_index): New function.
3643         (Target_x86_64::add_tlsdesc_info): New function.
3644         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3645         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3646         tlsdesc_rel_ field.
3647         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3648         all callers.
3649         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3650         (Target_x86_64::rela_tlsdesc_section): New function.
3651         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3652         handling.
3653         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3654         (Target_x86_64::do_reloc_addend): New function.
3655         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3656         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3657         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3658         (Output_reloc::type): New function.
3659         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3660         (Output_reloc::is_target_specific): New function.
3661         (Output_reloc::target_arg): New function.
3662         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3663         absolute relocs and target specific relocs.
3664         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3665         add_target_specific.
3666         (class Output_data_reloc) [SHT_RELA]: Likewise.
3667         * output.cc (Output_reloc::Output_reloc): Add four new versions
3668         for absolute relocs and target specific relocs.
3669         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3670         (Output_reloc::get_symbol_index): Likewise.
3671         (Output_reloc::local_section_offset): Check that local_sym_index_
3672         is not TARGET_CODE or 0.
3673         (Output_reloc::symbol_value): Likewise.
3674         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3675         reloc.
3676         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3677         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3678         functions.
3679         * layout.cc (add_target_dynamic_tags): Use output section for
3680         DT_PLTRELSZ and DT_JMPREL.
3682 2010-01-07  Ian Lance Taylor  <iant@google.com>
3684         PR 11061
3685         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3686         function.
3687         (class Output_data_reloc_generic): Define.
3688         (class Output_data_reloc_base): Change base class to
3689         Output_data_reloc_generic.  Change add() method to call
3690         bump_relative_reloc_count for a relative reloc.  Remove
3691         sort_relocs_ field.
3692         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3693         to sort_relocs().
3694         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3695         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3696         appropriate.
3697         * layout.h (class Layout): Update declaration.
3699 2010-01-07  Ian Lance Taylor  <iant@google.com>
3701         * output.h (class Output_data): Add const version of
3702         output_section and do_output_section.
3703         (class Output_section_data): Add const version of
3704         do_output_section.
3705         (class Output_section): Likewise.
3706         * layout.cc (Layout::add_target_dynamic_tags): New function.
3707         * layout.h (class Layout): Update declarations.
3708         * arm.cc (Target_arm::do_finalize_sections): Use
3709         add_target_dynamic_tags.
3710         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3711         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3712         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3713         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3715 2010-01-07  Ian Lance Taylor  <iant@google.com>
3717         PR 11042
3718         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3719         object as needed.
3721 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3722             Ian Lance Taylor  <iant@google.com>
3724         PR 11019
3725         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3726         Xindex::read_symtab_xindex.
3728 2010-01-07  Doug Kwan  <dougkwan@google.com>
3730         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3731         (Insn_template::thumb16_bcond_insn): New method declaration.
3732         (Insn_template): Fix spelling.
3733         (Stub::thumb16_special): New method declaration.
3734         (Stub::do_write): Define virtual method which was previously pure
3735         virtual.
3736         (Stub::do_thumb16_special): New method declaration.
3737         (Stub::do_fixed_endian_write): New template member.
3738         (Reloc_stub::do_write): Remove.
3739         (Reloc_stub::do_fixed_endian_write): Remove.
3740         (Cortex_a8_stub): New class definition.
3741         (Stub_factory::make_cortex_a8_stub): New method definition.
3742         (Stub_factory::Stub_factory): Add missing static storage class
3743         qualifier for elf32_arm_stub_a8_veneer_blx.
3745 2010-01-07  Ian Lance Taylor  <iant@google.com>
3747         PR 10980
3748         * options.h (class General_options): Add --warn-unresolved-symbols
3749         and --error-unresolved-symbols.
3750         * errors.cc (Errors::undefined_symbol): Implement
3751         --warn-unresolved-symbols.
3753         * options.h (class General_options): Add -z text and -z textoff.
3754         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3756 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3758         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3759         (Garbage_collection::cident_sections): New function.
3760         (Garbage_collection::add_cident_section): New function.
3761         (Garbage_collection::cident_sections_): New member.
3762         (gc_process_relocs): Add references to sections whose names are C
3763         identifiers.
3764         * gold.h (cident_section_start_prefix): New constant.
3765         (cident_section_stop_prefix): New constant.
3766         (is_cident): New function.
3767         * layout.cc (Layout::define_section_symbols): Replace string constants
3768         with the newly defined constants.
3769         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3770         C identifiers.
3771         * testsuite/Makefile.am: Add gc_orphan_section_test.
3772         * testsuite/Makefile.in: Regenerate.
3773         * testsuite/gc_orphan_section_test.cc: New file.
3774         * testsuite/gc_orphan_section_test.sh: New file.
3776 2010-01-06  Ian Lance Taylor  <iant@google.com>
3778         PR 10980
3779         * options.h (class General_options): Add --warn-shared-textrel.
3780         * layout.cc (Layout::finish_dynamic_section): Implement
3781         --warn-shared-textrel.
3783         PR 10980
3784         * options.h (class General_options): Add --warn-multiple-gp.
3786 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3788         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3789         $(THREADSLIB) and $(LIBDL).
3790         * Makefile.in: Rebuild.
3792 2010-01-06  Ian Lance Taylor  <iant@google.com>
3794         PR 10980
3795         * options.cc (General_options::parse_section_start): New function.
3796         (General_options::section_start): New function.
3797         (General_options::General_options): Initialize all members.
3798         * options.h: Include <map>
3799         (class General_options): Add --section-start.  Add section_starts_
3800         member.
3801         * layout.cc (Layout::attach_allocated_section_to_segment): If
3802         --section-start was used, set the address of the segment.  Remove
3803         local sort_sections.
3804         (Layout::relaxation_loop_body): If the address of the load segment
3805         has been set by --section-start, don't use it.
3806         * output.h (Output_segment::update_flags_for_output_section): New
3807         function.
3808         * output.cc (Output_segment::add_output_section): Call
3809         update_flags_for_output_section.
3811 2010-01-05  Ian Lance Taylor  <iant@google.com>
3813         PR 10980
3814         * options.h (class General_options): Add --undefined-version.
3815         * script.cc (struct Version_expression): Add was_matched_by_symbol
3816         field.
3817         (Version_script_info::matched_symbol): New function.
3818         (Version_script_info::get_symbol_version_helper): Call
3819         matched_symbol.
3820         (Version_script_info::check_unmatched_names): New function.
3821         * script.h (class Version_script_info): Update declarations.
3822         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3824         * options.h (class General_options): Use DEFINE_bool_alias for
3825         allow_multiple_definition.
3826         * resolve.cc (Symbol_table::should_override): Don't test
3827         allow_multiple_definition.
3829         PR 10980
3830         * options.h (class General_options): Add --cref.
3831         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3832         until after printing cref table.
3833         * cref.cc: Include "symtab.h".
3834         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3835         (Cref_table_compare::operator()): New function.
3836         (Cref_inputs::gather_cref): New function.
3837         (filecol): New static const.
3838         (Cref_inputs::print_cref): New function.
3839         (Cref::print_cref): New function.
3840         * cref.h: Include <cstdio>.
3841         (class Cref): Update declarations.
3842         * mapfile.h (Mapfile::file): New function.
3843         * object.h (class Object): Define Symbols.  Declare virtual
3844         do_get_global_symbols.
3845         (Object::get_global_symbols): New function.
3846         * object.cc (Input_objects::add_object): Pass object to cref_ if
3847         --cref.
3848         (Input_objects::archive_start): Likewise.
3849         (Input_objects::archive_stop): Likewise.
3850         (Input_objects::print_cref): New function.
3851         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3852         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3853         --cref.
3854         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3855         function.
3856         * plugin.h (class Sized_pluginobj): Update declarations.
3858 2010-01-05  Ian Lance Taylor  <iant@google.com>
3860         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3861         to is_default_version.  Rename insdef to insdefault.
3862         (Symbol_table::add_from_relobj): Rename def to is_default_version
3863         and local to is_forced_local.
3864         (Symbol_table::add_from_pluginobj): Likewise.
3865         (Symbol_table::add_from_dynobj): Likewise.
3866         (Symbol_table::define_special_symbol): Rename insdef to
3867         insdefault.
3869 2010-01-04  Ian Lance Taylor  <iant@google.com>
3871         PR 10980
3872         * options.h (class General_options): Add
3873         --allow-multiple-definition and -z muldefs.
3874         * resolve.cc (Symbol_table::should_override): Don't warn about a
3875         multiple symbol definition if --allow-multiple-definition or -z
3876         muldefs.
3878         PR 10980
3879         * options.h (class General_options): Add --add-needed and
3880         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3881         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3882         error if --copy-dt-needed-entries aka --add-needed is used and
3883         would cause a change in behaviour.
3885         PR 10980
3886         * options.h (class General_options): Add -G as a short version of
3887         --shared.  Add no-op options -assert, -g, and -i.
3889 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3891         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3892         check for .text or .gnu.linkonce.t sections.
3893         * icf.cc (Icf::find_identical_sections): Ditto.
3894         Change the detection for mangled function name within the section
3895         name.
3896         * icf.h (is_section_foldable_candidate): New function.
3898 2009-12-30  Ian Lance Taylor  <iant@google.com>
3900         PR 10980
3901         * options.h (class General_options): Permit two dashes with
3902         --retain-symbols-file.
3904 2009-12-30  Ian Lance Taylor  <iant@google.com>
3906         PR 10979
3907         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3908         don't put the file header and segment headers in the text
3909         segment.
3911         PR 10979
3912         * common.cc (Sort_commons::operator()): Stabilize sort when both
3913         entries are NULL.
3914         (Symbol_table::do_allocate_commons_list): When allocating common
3915         symbols, skip a symbol which is no longer common.
3916         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3917         an object before checking its type.
3918         * testsuite/common_test_2.c: New file.
3919         * testsuite/common_test_3.c: New file.
3920         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3921         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3922         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3923         (common_test_2_pic.o, common_test_2.so): New targets.
3924         (common_test_3_pic.o, common_test_3.so): New targets.
3925         * testsuite/Makefile.in: Rebuild.
3927         PR 10979
3928         * script.cc (read_input_script): If we see a new SECTIONS clause,
3929         and we have added an input section, give an error.
3930         * layout.h (class Layout): Add have_added_input_section function.
3931         Add have_added_input_section_ field.
3932         * layout.cc (Layout::Layout): Initialize
3933         have_added_input_section_.
3934         (Layout::layout): Set have_added_input_section_.
3935         (Layout::layout_eh_frame): Likewise.
3937 2009-12-30  Ian Lance Taylor  <iant@google.com>
3939         PR 10931
3940         * options.h (class General_options): Add --sort-common option.
3941         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3942         * common.cc (Sort_common): Add sort_order parameter to
3943         constructor.  Add sort_order_ field.
3944         (Sort_commons::operator): Check sort_order_.
3945         (Symbol_table::allocate_commons): Determine the sort order.
3946         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3947         Change all callers.
3948         (Symbol_table::do_allocate_commons_list): Likewise.
3950 2009-12-30  Ian Lance Taylor  <iant@google.com>
3952         PR 10916
3953         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3954         symbols from this object, don't change the visibility of an
3955         undefined symbol.
3956         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3958 2009-12-30  Ian Lance Taylor  <iant@google.com>
3960         PR 10861
3961         * script.h (class Version_script_info): Define Language enum.
3962         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3963         new fields globals_, locals_, and is_finalized_.
3964         * script.cc: Various formatting fixes.
3965         (class Parser_closure): Change language_stack_ from a vector of
3966         std::string to one of Version_script_info::Language.  Adjust all
3967         uses accordingly.
3968         (class Lazy_demangler): Remove.
3969         (struct Version_expression): Change language from std::string to
3970         Version_script_info::Language.
3971         (Version_script_info::Version_script_info): New function.
3972         (Version_script_info::~Version_script_info): Don't call clear.
3973         (Version_script_info::finalize): New function.
3974         (Version_script_info::build_lookup_tables): New function.
3975         (Version_script_info::build_expression_list_lookup): New
3976         function.
3977         (Version_script_info::get_symbol_version_helper): Rewrite to use
3978         lookup tables.
3979         (Version_script_info::print_expression_list): Adjust to use
3980         Version_script_info::Language.
3981         (script_push_lex_into_version_mode): Check that the version script
3982         has not been finalized.
3983         (version_script_push_lang): Change language string to
3984         Version_script_info::Language.
3985         * options.cc (Command_line::version_script): New function.
3986         * options.h (class General_options): Add finalize_dynamic_list
3987         function.  Change version_script from declaration to definition.
3988         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3989         * testsuite/version_script.map: Remove duplicate def of foo.
3990         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3991         version_script.map.
3992         * testsuite/Makefile.in: Rebuild.
3994 2009-12-30  Ian Lance Taylor  <iant@google.com>
3996         PR 10843
3997         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3998         if the input symbol index is 0, make the output symbol index 0.
4000 2009-12-30  Ian Lance Taylor  <iant@google.com>
4002         PR 10670
4003         * options.h (class General_options): Add -x/--discard-all.
4004         * object.cc (Sized_relobj::do_count_local_symbols): Handle
4005         --discard-all.  If the local symbol needs a dynamic entry, check
4006         that before handling --discard-locals.
4008 2009-12-30  Ian Lance Taylor  <iant@google.com>
4010         PR 10450
4011         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
4012         flags to PF_R.
4013         (Output_segment::add_output_section): Don't change the flags if
4014         the type is PT_TLS.
4016         PR 10450
4017         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
4018         GNU hash table if they need a dynamic value.  Otherwise, don't add
4019         them if they are defined in a dynamic object or are forced local.
4021 2009-12-29  Ian Lance Taylor  <iant@google.com>
4023         PR 10450
4024         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
4025         .gnu.hash table for a 32-bit target.
4027         PR 10450
4028         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
4029         regular and a dynamic object only needs a dynamic symbol table
4030         entry if it is externally visible.
4032         PR 10450
4033         * i386.cc (class Target_i386): Initialize global_offset_table_ in
4034         constructor.  Add global_offset_table_ field.
4035         (Target_i386::got_section): Set global_offset_table_.
4036         (Target_i386::do_finalize_sections): Set global_offset_table_
4037         size.
4038         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
4039         in constructor.  Add global_offset_table_ field.
4040         (Target_x86_64::got_section): Set global_offset_table_.
4041         (Target_x86_64::do_finalize_sections): Set global_offset_table_
4042         size.
4044         * layout.cc (Layout::Layout): Initialize increase_relro_.
4045         (Layout::get_output_section): Add is_relro, is_last_relro, and
4046         is_first_non_relro parameters.  Change all callers.
4047         (Layout::choose_output_section): Likewise.
4048         (Layout::add_output_section_data): Likewise.
4049         (Layout::make_output_section): Likewise.
4050         (Layout::set_segment_offsets): Clear increase_relro when using a
4051         linker script.
4052         * layout.h (class Layout): Add increase_relro method.  Add
4053         increase_relro_ field.  Update declarations.
4054         * output.cc (Output_section::Output_section): Initialize
4055         is_last_relro_ and is_first_non_relro_.
4056         (Output_segment::add_output_section): Group relro sections is
4057         do_sort is true.  Handle is_last_relro and is_first_non_relro.
4058         (Output_segment::maximum_alignment): Remove relro handling.
4059         (Output_segment::set_section_addresses): Add increase_relro
4060         parameter.  Change all callers.  Add initial alignment to align
4061         relro sections on separate page.  Remove old relro handling.
4062         (Output_segment::set_section_list_addresses): Remove in_relro
4063         parameter.  Change all callers.
4064         (Output_segment::set_offset): Add increase parameter.  Change all
4065         callers.  Remove old relro handling.
4066         * output.h (class Output_section): Add new methods: is_last_relro,
4067         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
4068         Add is_last_relro_ and is_first_non_relro_ fields.
4069         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
4070         Create separate .got.plt section.  Call increase_relro.
4071         * x86_64.cc (Target_x86_64::got_section): Likewise.
4072         * testsuite/relro_script_test.t: Add .got.plt.
4074         PR 10450
4075         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
4076         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
4077         (Layout::finalize): Call set_dynamic_symbol_size.
4078         (Layout::set_dynamic_symbol_size): New function.
4079         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
4080         set_dynamic_symbol_size.
4082         PR 10450
4083         * output.h (class Output_section): Add is_entsize_zero_ field.
4084         * output.cc (Output_section::Output_section): Initialize
4085         is_entsize_zero_.
4086         (Output_section::set_entsize): If two different entsizes are
4087         requested, force it to zero.
4088         (Output_section::add_input_section): Set flags for .debug_str
4089         before updating section flags.  Set entsize.
4090         (Output_section::update_flags_for_input_section): Set SHF_MERGE
4091         and SHF_STRING if all input sections have those flags.
4093 2009-12-29   Rafael Espindola  <espindola@google.com>
4095         * main.cc (main): Fix the sys time reporting.
4096         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
4097         reporting.
4099 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
4101         * options.cc (General_options::parse_version): Allow -v to exit
4102         without an error if there is nothing to link.
4104 2009-12-29  Ian Lance Taylor  <iant@google.com>
4106         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
4107         using a version of gcc before 4.1.
4108         * configure: Rebuild.
4110 2009-12-28  Chris Demetriou  <cgd@google.com>
4112         * attributes.cc (Output_attributes_section_data::do_write): Use
4113         std::vector::front rather than std::vector::data.
4115 2009-12-28  Ian Lance Taylor  <iant@google.com>
4117         * symtab.h (class Symbol_table): Add enum Defined.
4118         * resolve.cc (Symbol_table::should_override): Add defined
4119         parameter.  Change all callers.  Test whether object is NULL
4120         before calling a method on it.
4121         (Symbol_table::report_resolve_problem): Add defined parameter.
4122         Change all callers.
4123         (Symbol_table::should_override_with_special): Likewise.
4124         * symtab.cc (Symbol_table::define_in_output_data): Add defined
4125         parameter.  Change all callers.
4126         (Symbol_table::do_define_in_output_data): Likewise.
4127         (Symbol_table::define_in_output_segment): Likewise.
4128         (Symbol_table::do_define_in_output_segment): Likewise.
4129         (Symbol_table::define_as_constant): Likewise.
4130         (Symbol_table::do_define_as_constant): Likewise.
4131         * script.h (class Symbol_assignment): Add is_defsym parameter to
4132         constructor; change all callers.
4133         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
4134         parameter.  Change all callers.  Add is_defsym_ field.
4135         (class Parser_closure): Add parsing_defsym parameter to
4136         constructor; change all callers.  Add parsing_defsym accessor
4137         function.  Add parsing_defsym_ field.
4139 2009-12-28  Ian Lance Taylor  <iant@google.com>
4141         * gold.cc (queue_middle_tasks): Fix formatting.
4142         * object.cc (Relobj::is_section_name_included): Likewise.
4144 2009-12-23  Ian Lance Taylor  <iant@google.com>
4146         * i386.cc (Target_i386::do_calls_non_split): Recognize
4147         -fsplit-stack prologue for a function with a static chain.
4148         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
4149         -fsplit-stack prologue when using %r11.
4151 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
4153         * options.cc (General_options::parse_version): Make -v continue and do
4154         the link like GNU ld does.
4156 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
4158         * Makefile.am (CCFILES): Add timer.cc.
4159         (HFILES): Add timer.h.
4160         * configure.ac: Check for sysconf and times.
4161         * main.cc: include timer.h.
4162         (main): Use Timer instead of get_run_time.
4163         * timer.cc: New.
4164         * timer.h: New.
4165         * workqueue.cc: include timer.h.
4166         (Workqueue::find_and_run_task):
4167         Report user, sys and wall time.
4168         * Makefile.in: Regenerate.
4169         * config.in: Regenerate.
4170         * configure: Regenerate.
4172 2009-12-16  Doug Kwan  <dougkwan@google.com>
4174         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
4175         sections.
4176         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
4177         relaxed input sections.
4178         * output.cc (Output_section::find_relaxed_input_section): Change
4179         return type to Output_relaxed_input_section pointer.  Adjust code
4180         for new type of relaxed_input_section_map_.
4181         * output.h (Output_section::find_relaxed_input_section): Change
4182         return type to Output_relaxed_input_section pointer.
4183         (Output_section::Output_relaxed_input_section_by_input_section_map):
4184         New type.
4185         (Output_section::relaxed_input_section_map_): Change type to
4186         Output_section::Output_relaxed_input_section_by_input_section_map.
4187         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4188         input section.
4190 2009-12-15  Ian Lance Taylor  <iant@google.com>
4192         * layout.cc (Layout::create_shstrtab): Only write out after input
4193         sections if we are compressing debug sections.
4195 2009-12-15  Ian Lance Taylor  <iant@google.com>
4197         * archive.cc (Archive::add_symbols): Only look up a symbol without
4198         a version if there is, in fact, a version.
4200 2009-12-14  Ian Lance Taylor  <iant@google.com>
4202         Revert -Wshadow changes, all changes from:
4203         2009-12-11  Doug Kwan  <dougkwan@google.com>
4204         2009-12-11  Nick Clifton  <nickc@redhat.com>
4205         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4207 2009-12-11  Doug Kwan  <dougkwan@google.com>
4209         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4210         due to -Wshadow.
4211         * attributes.cc (Object_attribute::size): Ditto.
4212         (Attributes_section_data::size): Ditto.
4213         (Attributes_section_data::Attributes_section_data): Ditto.
4214         (Output_attributes_section_data::do_write): Ditto.
4215         * attributes.h (Object_attribute::set_type): Ditto.
4216         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4218 2009-12-11  Nick Clifton  <nickc@redhat.com>
4220         * archive.cc: Fix shadowed variable warnings.
4221         * arm.cc: Likewise.
4222         * compressed_output.cc: Likewise.
4223         * compressed_output.h: Likewise.
4224         * configure: Likewise.
4225         * dwarf_reader.cc: Likewise.
4226         * dynobj.cc: Likewise.
4227         * dynobj.h: Likewise.
4228         * ehframe.cc: Likewise.
4229         * ehframe.h: Likewise.
4230         * errors.cc: Likewise.
4231         * expression.cc: Likewise.
4232         * fileread.cc: Likewise.
4233         * fileread.h: Likewise.
4234         * freebsd.h: Likewise.
4235         * i386.cc: Likewise.
4236         * icf.cc: Likewise.
4237         * incremental.h: Likewise.
4238         * layout.cc: Likewise.
4239         * layout.h: Likewise.
4240         * mapfile.cc: Likewise.
4241         * merge.cc: Likewise.
4242         * merge.h: Likewise.
4243         * object.cc: Likewise.
4244         * object.h: Likewise.
4245         * options.h: Likewise.
4246         * output.cc: Likewise.
4247         * output.h: Likewise.
4248         * parameters.cc: Likewise.
4249         * plugin.cc: Likewise.
4250         * powerpc.cc: Likewise.
4251         * reduced_debug_output.cc: Likewise.
4252         * reduced_debug_output.h: Likewise.
4253         * reloc.cc: Likewise.
4254         * reloc.h: Likewise.
4255         * resolve.cc: Likewise.
4256         * script-sections.cc: Likewise.
4257         * script.cc: Likewise.
4258         * script.h: Likewise.
4259         * sparc.cc: Likewise.
4260         * symtab.cc: Likewise.
4261         * symtab.h: Likewise.
4262         * target-select.cc: Likewise.
4263         * target-select.h: Likewise.
4264         * token.h: Likewise.
4265         * workqueue.cc: Likewise.
4266         * workqueue.h: Likewise.
4267         * x86_64.cc: Likewise.
4269 2009-12-10  Doug Kwan  <dougkwan@google.com>
4271         * arm.cc (attributes.h): New include.
4272         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4273         (Arm_relobj::~Arm_relobj): Delete object pointed by
4274         attributes_section_data_.
4275         (Arm_relobj::attributes_section_data): New method definition.
4276         (Arm_relobj::attributes_section_data_): New data member declaration.
4277         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
4278         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
4279         attributes_section_data_.
4280         (Arm_dynobj::attributes_section_data): New method definition.
4281         (Arm_dynobj::attributes_section_data_): New data member declaration.
4282         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
4283         initialization value of may_use_blx_ to false.
4284         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
4285         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
4286         object attributes to compute results instead of hard-coding.
4287         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
4288         Target_arm::get_secondary_compatible_arch,
4289         Target_arm::set_secondary_compatible_arch
4290         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4291         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
4292         New method declarations.
4293         (Target_arm::get_aeabi_object_attribute): New method definition.
4294         (Target_arm::attributes_section_data_): New data member declaration.
4295         (read_arm_attributes_section): New template definition.
4296         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
4297         (Arm_dynobj::do_read_symbols): Ditto.
4298         (Target_arm::do_finalize_sections): Merge attributes sections from
4299         input.  Check for BLX use after attributes section merging.
4300         Fix __exidx_start and __exidx_end visibility.  Create an
4301         .ARM.attributes section if necessary.
4302         (Target_arm::get_secondary_compatible_arch,
4303         Target_arm::set_secondary_compatible_arch,
4304         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4305         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
4306         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
4307         New method definitions.
4309 2009-12-09  Ian Lance Taylor  <iant@google.com>
4311         * plugin.cc (Plugin::load): Don't cast from void* to a function
4312         pointer.
4314 2009-12-09  Ian Lance Taylor  <iant@google.com>
4316         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
4317         information fields.
4319 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
4321         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
4322         Replace two_file_shared_1.so with two_file_shared_2.so.
4323         * testsuite/Makefile.in: Regenerated.
4325 2009-12-08  Doug Kwan  <dougkwan@google.com>
4327         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
4328         (HFILES): Add attributes.h and int_encoding.h.
4329         * Makefile.in: Regenerate.
4330         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
4331         function definitions to int_encoding.cc
4332         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
4333         prototypes to int_encoding.h
4334         * reduced_debug_output.cc (int_encoding.h): New include.
4335         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
4336         function definitions to int_encoding.cc
4337         (insert_into_vector, read_from_pointer): Move template definitions to
4338         int_encoding.h
4339         * attributes.cc: New file.
4340         * attributes.h: New file.
4341         * int_encoding.cc: New file.
4342         * int_encoding.h: New file.
4344 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
4346         PR gold/11055
4347         * incremental-dump.cc (dump_incremental_inputs): New.
4348         (main): Use dump_incremental_inputs.
4350 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
4352         PR gold/10893
4353         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
4354         checking elfcpp::STT_FUNC.
4355         (Target_i386::Relocate::relocate): Likewise.
4356         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4358         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
4359         symbols from shared libraries into normal FUNC symbols.
4361         * symtab.h (Symbol): Add is_func and use it.
4363 2009-12-05  Doug Kwan  <dougkwan@google.com>
4365         * arm.cc (Target_arm::arm_info): Initialize new fields
4366         attributes_section and attributes_vendor.
4367         * i386.cc (Target_i386::i386_info): Same.
4368         * object.cc (Sized_relobj::do_layout): Skip attribute section.
4369         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
4370         fields attributes_section and attributes_vendor.
4371         * sparc.cc (Target_sparc::sparc_info): Same.
4372         * target.h (Target::attributes_section, Target::attributes_vendor,
4373         Target::is_attributes_section, Target::attribute_arg_type,
4374         Target::attributes_order): New method definitions.
4375         (Target::Target_info::attributes_section,
4376         Target::Target_info::attributes_vendor): New fields.
4377         (Target::do_attribute_arg_type, Target::do_attributes_order): New
4378         virtual method definitions.
4379         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
4380         attributes_section and attributes_vendor.
4381         * testsuite/testfile.cc (Target_test::test_target_info): Same.
4383 2009-12-05  Doug Kwan  <dougkwan@google.com>
4385         * arm.cc: Update comments about interworking and stub generation.
4386         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
4387         considered as non-PIC.
4388         (Arm_relocate_functions::base_abs): Fix formatting.
4389         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
4390         of function to use GOT entry address instead of offset.
4391         (Target_arm::Scan::global): Issue an error if a symbol would need a
4392         PLT does not get one because it is untyped.  Remove code to create
4393         dynamic symbols for relative branches.
4394         (Target_arm::Relocate::relocate: Use 0 instead of false since function
4395         takes unsigned integer instead of boolean.
4397 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
4399         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
4400         (two_file_test_LDADD): Likewise.
4401         (common_test_1_LDADD): Likewise.
4402         (exception_test_LDADD) Likewise.
4403         (weak_test_LDADD): Likewise.
4404         (many_sections_test_LDADD): Likewise.
4405         (initpri1_LDADD): Likewise.
4406         (script_test_1_LDADD): Likewise.
4407         (script_test_2_LDADD): Likewise.
4408         (justsyms_LDADD): Likewise.
4409         (binary_test_LDADD): Likewise.
4410         (large_LDADD): Likewise.
4411         * testsuite/Makefile.in: Regenerated.
4413 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
4415         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
4416         (Symbol_table::override_with_special): Likewise.
4417         (Symbol_table::add_from_object): Likewise.
4419 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4421         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4422         Don't set the data_offset twice.
4424 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4426         * testsuite/Makefile.in: Regenerate.
4428 2009-12-03  Doug Kwan  <dougkwan@google.com>
4430         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
4431         (Target_arm::do_finalize_sections): Add parameter for symbol table
4432         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
4433         * i386.cc (Target_i386::do_finalize_sections): Add an additional
4434         parameter for symbol table pointer.
4435         * layout.cc (Layout::finalize): Call Target::finalize_sections with
4436         an additional parameter for a pointer to symbol table.
4437         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
4438         parameter for a symbol table pointer.
4439         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
4440         * target.h (Target::finalize_sections, Target::do_finalize_sections):
4441         Ditto.
4442         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4443         parameter for a symbol table pointer.
4445 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4447         * incremental.cc (Incremental_inputs_header)
4448         (Incremental_inputs_header_write, Incremental_inputs_entry)
4449         (Incremental_inputs_entry_write): Move ...
4450         * incremental.h (Incremental_inputs_header)
4451         (Incremental_inputs_header_write, Incremental_inputs_entry)
4452         (Incremental_inputs_entry_write): here.
4454 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4456         * incremental.cc (make_sized_incremental_binary): Set the target.
4457         Error if it is incompatible.
4458         * output.h (Output_file): Add filename method.
4460 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4462         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4463         from the get_* methods.
4465 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4467         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4468         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4469         Write 0 for the data_offset of scripts.
4471 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4473         * testsuite/Makefile.am: Add the incremental_test.sh test.
4474         * testsuite/incremental_test.sh: New.
4475         * testsuite/incremental_test_1.c: New.
4476         * testsuite/incremental_test_2.c: New.
4478 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4480        * incremental-dump.cc (main): Fix typos.
4482 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4484         PR gold/11025
4485         * incremental-dump.cc (main): Use llu to print 64 bit values.
4487 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
4488             H.J. Lu  <hongjiu.lu@intel.com>
4490         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4491         $(LIBDL).
4492         (incremental_dump_LDADD): Likewise.
4493         * Makefile.in: Regenerated.
4495 2009-11-25  Doug Kwan  <dougkwan@google.com>
4497         Revert:
4499         2009-11-25  Doug Kwan  <dougkwan@google.com>
4501                 * arm.cc (Target_arm::Target_arm): Move method definition
4502                 outside of class definition.  Add code to handle
4503                 --target1-rel, --target1-abs and --target2= options.
4504                 (Target_arm::get_reloc_reloc_type): Change method to be
4505                 non-static and const.
4506                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4507                 New data member declaration.
4508                 (Target_arm::Scan::local, Target_arm::Scan::global,
4509                 Target_arm::Relocate::relocate,
4510                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4511                 Adjust call to Target_arm::get_real_reloc_type.
4512                 (Target_arm::get_real_reloc_type): Use command line options
4513                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4514                 * options.h (--target1-rel, --target1-abs, --target2): New
4515                 ARM-only options.
4517 2009-11-25  Doug Kwan  <dougkwan@google.com>
4519         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4520         class definition.  Add code to handle --target1-rel, --target1-abs
4521         and --target2= options.
4522         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4523         and const.
4524         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4525         member declaration.
4526         (Target_arm::Scan::local, Target_arm::Scan::global,
4527         Target_arm::Relocate::relocate,
4528         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4529         call to Target_arm::get_real_reloc_type.
4530         (Target_arm::get_real_reloc_type): Use command line options to
4531         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4532         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4533         options.
4535 2009-11-25  Doug Kwan  <dougkwan@google.com>
4537         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4538         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4539         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4540         formatting.
4541         (Arm_relocate_functions::thm_call): Replace body with a call to
4542         Arm_relocate_functions::thumb_branch_common.
4543         (Arm_relocate_functions::thm_jump24,
4544         Arm_relocate_functions::thm_xpc22): New method definitions.
4545         (Arm_relocate_functions::thumb_branch_common): New method definition.
4546         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4547         operator.
4548         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4549         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4551 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4553         * Makefile.am: Build incremental-dump
4554         * Makefile.in: Regenerate.
4555         * incremental-dump.cc: New.
4556         * incremental.cc (Incremental_inputs_header_data,
4557         Incremental_inputs_entry_data): Move to incremental.h
4558         * incremental.h: (Incremental_inputs_header_data,
4559         Incremental_inputs_entry_data): Move from incremental.cc
4561 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4563         * incremental.cc (Incremental_inputs_header,
4564         Incremental_inputs_header_write, Incremental_inputs_entry,
4565         Incremental_inputs_entry_write): Add a typedef with the data type.
4567 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4569         * incremental.cc (Incremental_inputs_header,
4570         Incremental_inputs_header_write, Incremental_inputs_entry,
4571         Incremental_inputs_entry_write): Update comment about which
4572         type has the filed descriptions.
4574 2009-11-15  Doug Kwan  <dougkwan@google.com>
4576         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4577         (Arm_relocate_functions::arm_branch_common): Change method defintion
4578         in class definition to a method declaration and update list of formal
4579         parameters.
4580         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4581         Arm_relocation_functions::jump24): Adjust call to
4582         Arm_relocate_functions::arm_branch_common.  Update list of formal
4583         parameters.
4584         (Arm_relocate_functions::xpc25): New method definition.
4585         (Arm_relocate_functions::arm_branch_common): Move method defintion
4586         out from class definition.  Use stubs for mode-switching and extending
4587         branch ranges.
4588         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4589         specially.  Change code to enable use of stubs in ARM branches.
4591 2009-11-10  Doug Kwan  <dougkwan@google.com>
4593         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4594         in method declaration.
4595         (Target_arm::relocate_stub): New method declaration.
4596         (Target_arm::default_target): Change to return a pointer instead of
4597         a const reference.
4598         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4599         Target_arm::default_target.
4600         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4601         method definition.
4602         (Target_arm::relocate_section): Adjust view.
4603         (Target_arm::relocate_stub): New method definition.
4605 2009-11-10  Doug Kwan  <dougkwan@google.com>
4607         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4608         a format warning.
4609         * incremental.cc (open_incremental_binary): Initialized local
4610         variables to avoid warnings.
4611         * object.cc (make_elf_object): Ditto.
4612         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4613         a format warning.
4615 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4617         PR gold/10930
4618         * testsuite/plugin_test.c: Include "config.h".
4620 2009-11-09  Doug Kwan  <dougkwan@google.com>
4622         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4623         (arm_symbol_value): Remove.
4624         (Arm_relocate_functions::arm_branch_common,
4625         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4626         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4627         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4628         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4629         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4630         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4631         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4632         Arm_relocate_functions::thm_mobw_abs_nc,
4633         Arm_relocate_functions::thm_mov_abs,
4634         Arm_relocate_functions::movw_prel_nc,
4635         Arm_relocate_functions::thm_movt_abs,
4636         Arm_relocate_functions::movt_prel,
4637         Arm_relocate_functions::thm_movw_prel_nc,
4638         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4639         (Target_arm::Relocate::relocate): Only decompose address into two
4640         parts if relocation type uses the thumb-bit and pass the actual
4641         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4642         calls to methods in Arm_relocate_functions for this change.
4644 2009-11-08  Ian Lance Taylor  <iant@google.com>
4646         PR 10925
4647         * reloc.cc: Instantiate
4648         Sized_relobj::initialize_input_to_output_maps and
4649         Sized_relobj:free_input_to_output_maps.
4651 2009-11-06  Ian Lance Taylor  <iant@google.com>
4653         PR 10876
4654         * defstd.cc (in_segment): Set only_if_ref true for "end".
4656 2009-11-06  Doug Kwan  <dougkwan@google.com>
4658         * arm.cc (class Reloc_stub): Correct a comment.
4659         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4660         (Target_arm::scan_section_for_stubs): New method declaration.
4661         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4662         Change methods from private to protected.
4663         (Target_arm::do_may_relax): New method definition.
4664         (Target_arm::do_relax, Target_arm::group_sections,
4665         Target_arm::scan_reloc_for_stub,
4666         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4667         (Target_arm::arm_input_section_map_): New data member declaration.
4668         (Target_arm::scan_reloc_for_stub,
4669         Target_arm::scan_reloc_section_for_stubs,
4670         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4671         Target_arm::do_relax): New method definitions.
4673 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4675         * configure.ac: Check for (struct stat)::st_mtim
4676         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4677         * config.in: Regenerate.
4678         * configure: Regenerate.
4680 2009-11-05  Ian Lance Taylor  <iant@google.com>
4682         PR 10910
4683         * output.cc (Output_segment::add_output_section): Add missing
4684         return statement.
4686 2009-11-04  Ian Lance Taylor  <iant@google.com>
4688         PR 10880
4689         * object.h (class Object): Add is_needed and set_is_needed
4690         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4691         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4692         defined in a dynamic object and referenced by a regular object,
4693         set is_needed for the dynamic object.
4694         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4695         if the file is marked with as_needed and it is not needed.
4697 2009-11-04  Ian Lance Taylor  <iant@google.com>
4699         PR 10887
4700         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4701         tags if data is discarded by linker script.
4702         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4703         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4704         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4705         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4707 2009-11-04  Ian Lance Taylor  <iant@google.com>
4709         * layout.cc (Layout::get_output_section): Add is_interp and
4710         is_dynamic_linker_section parameters.  Change all callers.
4711         (Layout::choose_output_section): Likewise.
4712         (Layout::make_output_section): Likewise.
4713         (Layout::add_output_section_data): Add is_dynamic_linker_section
4714         parameter.  Change all callers.
4715         * layout.h (class Layout): Update declarations.
4716         * output.h (class Output_section): Add is_interp, set_is_interp,
4717         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4718         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4719         generate_code_fills_at_write_ to a bitfield.
4720         * output.cc (Output_section::Output_sections): Initialize new
4721         fields.
4722         (Output_segment::add_output_section): Add do_sort parameter.
4723         Change all callers.
4725 2009-11-03  Ian Lance Taylor  <iant@google.com>
4727         PR 10860
4728         * options.h (class General_options): Add --warn-common.
4729         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4730         merging two common symbols.
4731         (Symbol_table::should_override): Handle --warn-common when merging
4732         a common symbol with a defined symbol.  Use report_resolve_problem
4733         for multiple definitions.
4734         (Symbol_table::report_resolve_problem): New function.
4735         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4737 2009-11-03  Doug Kwan  <dougkwan@google.com>
4739         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4740         stub_factory_.
4741         (Target_arm::stub_factory): New method definition.
4742         (Target_arm::new_arm_input_section,
4743         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4744         Target_arm::reloc_uses_thumb_bit): New method declarations.
4745         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4746         New type definitions.
4747         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4748         member declarations.
4749         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4750         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4751         New method definitions.
4753 2009-11-03  Ian Lance Taylor  <iant@google.com>
4755         * options.h (class General_options): Add --warn_constructors.
4757 2009-11-03  Ian Lance Taylor  <iant@google.com>
4759         PR 10893
4760         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4761         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4763 2009-11-03  Ian Lance Taylor  <iant@google.com>
4765         PR 10895
4766         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4767         --msgid-bugs-address.
4768         (install-pdf): New target.
4769         (install-data_yes): Look up one directory to find mkinstalldirs.
4771 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4773         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4774         tree.
4776 2009-10-30  Doug Kwan  <dougkwan@google.com>
4778         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4780 2009-10-30  Doug Kwan  <dougkwan@google.com>
4782         * arm.cc (Stub_addend_reader): New struct template definition
4783         and partial specializations.
4784         (Stub_addend_reader::operator()): New method definition for a
4785         partially specialized template.
4787 2009-10-30  Doug Kwan  <dougkwan@google.com>
4789         * arm.cc (Arm_relobj::processor_specific_flags): New method
4790         definition.
4791         (Arm_relobj::do_read_symbols): New method declaration.
4792         (Arm_relobj::processor_specific_flags_): New data member declaration.
4793         (Arm_dynobj): New class definition.
4794         (Target_arm::do_finalize_sections): Add input_objects parameter.
4795         (Target_arm::do_adjust_elf_header): New method declaration.
4796         (Target_arm::are_eabi_versions_compatible,
4797         (Target_arm::merge_processor_specific_flags): New method declaration.
4798         (Target_arm::do_make_elf_object): New overloaded method definitions
4799         and declaration.
4800         (Arm_relobj::do_read_symbols): New method definition.
4801         (Arm_dynobj::do_read_symbols): Ditto.
4802         (Target_arm::do_finalize_sections): Add input_objects parameters.
4803         Merge processor-specific flags from all input objects.
4804         (Target_arm::are_eabi_versions_compatible,
4805         Target_arm::merge_processor_specific_flags,
4806         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4807         New method definitions.
4808         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4809         Input_objects pointer type parameter.
4810         * layout.cc (Layout::finalize): Pass input objects to target's.
4811         finalize_sections function.
4812         * output.cc (Output_file_header::do_sized_write): Set ELF file
4813         header's processor-specific flags.
4814         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4815         Input_objects pointer type parameter.
4816         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4817         * target.h (Input_objects): New forward class declaration.
4818         (Target::processor_specific_flags,
4819         Target::are_processor_specific_flags_sect): New method definitions.
4820         (Target::finalize_sections): Add input_objects parameter.
4821         (Target::Target): Initialize processor_specific_flags_ and
4822         are_processor_specific_flags_set_.
4823         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4824         parameter.
4825         (Target::set_processor_specific_flags): New method definition.
4826         (Target::processor_specific_flags_,
4827         Target::are_processor_specific_flags_set_): New data member
4828         declarations.
4829         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4830         Input_objects pointer type parameter.
4832 2009-10-30  Doug Kwan  <dougkwan@google.com>
4834         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4836 2009-10-28  Ian Lance Taylor  <iant@google.com>
4838         * object.h (class Relobj): Drop options parameter from
4839         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4840         do_scan_relocs, do_relocate.  Change all callers.
4841         (class Sized_relobj): Drop options parameters from
4842         do_gc_process_relocs, do_scan_relocs, do_relocate,
4843         do_relocate_sections, relocate_sections, emit_relocs_scan,
4844         emit_relocs_scan_reltype.  Change all callers.
4845         (struct Relocate_info): Remove options field and all references to
4846         it.
4847         * reloc.h (class Read_relocs): Remove options constructor
4848         parameter and options_ field.  Change all callers.
4849         (class Gc_process_relocs, class Scan_relocs): Likewise.
4850         (class Relocate_task): Likewise.
4851         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4852         all callers.
4853         (scan_relocatable_relocs): Likewise.
4854         * target.h (class Sized_target): Remove options parameter from
4855         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4856         all callers.
4857         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4858         callers.
4859         * arm.cc: Update functions to remove options parameters.
4860         * i386.cc: Likewise.
4861         * powerpc.cc: Likewise.
4862         * sparc.cc: Likewise.
4863         * x86_64.cc: Likewise.
4864         * testsuite/testfile.cc: Likewise.
4866 2009-10-28  Doug Kwan  <dougkwan@google.com>
4868         * arm.cc (Arm_relobj): New class definition.
4869         (Arm_relobj::scan_sections_for_stubs,
4870         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4871         New method definitions.
4873 2009-10-28  Cary Coutant  <ccoutant@google.com>
4875         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4876         (Plugin::cleanup_done_): New member.
4877         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4878         (Plugin_manager::cleanup_done_): Remove.
4879         (Plugin_manager::add_input_file): Edit error message.
4880         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4881         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4883 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4885         * fileread.cc: (File_read::View::~View): Use the new
4886         data_ownership_ filed.
4887         (File_read::~File_read): Dispose the new whole_file_view_.
4888         (File_read::open): Mmap the whole file if needed.
4889         (File_read::open): Use whole_file_view_ instead of contents_.
4890         (File_read::find_view): Use whole_file_view_ if applicable.
4891         (File_read::do_read): Use whole_file_view_ instead of contents_.
4892         (File_read::make_view): Use whole_file_view_ instead of contents_,
4893         update File_read::View::View call.
4894         (File_read::find_or_make_view): Update File_read::View::View
4895         call.
4896         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4897         remove contents_
4898         (File_read::View::Data_ownership): New enum.
4899         (File_read::View::View): Replace bool mapped_ with Data_ownership
4900         argument.
4901         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4902         (File_read::View::data_ownership_): New field.
4903         (File_read::contents_): Remove (replaced by whole_file_view_).
4904         (File_read::whole_file_view_): New field.
4905         * options.h (class General_options): Add --keep-files-mapped.
4907 2009-10-27  Cary Coutant  <ccoutant@google.com>
4909         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4910         * testsuite/Makefile.am (plugin_test_5): New test case.
4911         * testsuite/Makefile.in: Regenerate.
4913 2009-10-25  Doug Kwan  <dougkwan@google.com>
4915         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4916         from private to protected to allow access by child class.
4917         (Sized_relobj::do_relocate_sections): New method declaration.
4918         (Sized_relobj::relocate_sections): Virtualize.
4919         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4920         Sized_relobj::relocate_sections.  Instantiate template explicitly
4921         for different target sizes and endianity.
4923 2009-10-24  Doug Kwan  <dougkwan@google.com>
4925         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4926         (Arm_input_section::as_arm_input_section): New method.
4927         (Arm_output_section): New class definition.
4928         (Arm_output_section::create_stub_group,
4929         Arm_output_section::group_sections): New method definitions.
4931 2009-10-22  Doug Kwan  <dougkwan@google.com>
4933         * arm.cc (Arm_input_section): New class definition.
4934         (Arm_input_section::init, Arm_input_section:do_write,
4935         Arm_input_section::set_final_data_size,
4936         Arm_input_section::do_reset_address_and_file_offset): New method
4937         definitions.
4939 2009-10-21  Doug Kwan  <dougkwan@google.com>
4941         * arm.cc (Stub_table, Arm_input_section): New forward class
4942         declarations.
4943         (Stub_table): New class defintion.
4944         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4945         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4946         New method definition.
4948 2009-10-21  Doug Kwan  <dougkwan@google.com>
4950         * arm.cc: Update copyright comments.
4951         (Target_arm): New forward class template declaration.
4952         (Arm_address): New type.
4953         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4954         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4955         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4956         constants.
4957         (Insn_template): Same.
4958         (DEF_STUBS): New macro.
4959         (Stub_type): New enum type.
4960         (Stub_template): New class definition.
4961         (Stub): Same.
4962         (Reloc_stub): Same.
4963         (Stub_factory): Same.
4964         (Target_arm::Target_arm): Initialize may_use_blx_ and
4965         should_force_pic_veneer_.
4966         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4967         Target_arm::should_force_pic_veneer,
4968         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4969         Target_arm::using_thumb_only, Target_arm:;default_target): New
4970         method defintions.
4971         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4972         New data member declarations.
4973         (Insn_template::size, Insn_template::alignment): New method defintions.
4974         (Stub_template::Stub_template): New method definition.
4975         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4976         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4977         (Stub_factory::Stub_factory): New method definition.
4978         * gold.h (string_hash): New template.
4979         * output.h (Input_section_specifier::hash_value): Use
4980         gold::string_hash.
4981         (Input_section_specifier::string_hash): Remove.
4982         * stringpool.cc (Stringpool_template::string_hash): Use
4983         gold::string_hash.
4985 2009-10-20  Doug Kwan  <dougkwan@google.com>
4987         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4988         symbols of relaxed input sections.
4989         * output.h (Output_section::find_relaxed_input_section): Make
4990         method public.
4992 2009-10-16  Doug Kwan  <dougkwan@google.com>
4994         * dynobj.cc (Versions::Versions): Initialize version_script_.
4995         Only insert base version symbol definition for a shared object
4996         if version script defines any version versions.
4997         (Versions::define_base_version): New method definition.
4998         (Versions::add_def): Check that base version is not needed.
4999         (Versions::add_need): Define base version lazily.
5000         * dynobj.h (Versions::define_base_version): New method declaration.
5001         (Versions::needs_base_version_): New data member declaration.
5002         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
5003         (check_DATA): Add no_version_test.stdout.
5004         (libno_version_test.so, no_version_test.o no_version_test.stdout):
5005         New make rules.
5006         * testsuite/Makefile.in: Regenerate.
5007         * testsuite/no_version_test.c: New file.
5008         * testsuite/no_version_test.sh: Ditto.
5010 2009-10-16  Doug Kwan  <dougkwan@google.com>
5012         * expression.cc (class Segment_start_expression): New class definition.
5013         (Segment_start_expression::value): New method definition.
5014         (script_exp_function_segment_start): Return a new
5015         Segment_start_expression.
5016         * gold/script-c.h (script_saw_segment_start_expression): New function
5017         prototype.
5018         * script-sections.cc (Script_sections::Script_sections): Initialize
5019         SAW_SEGMENT_START_EXPRESSION_ to false.
5020         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
5021         and -Tbbs options to specify section addresses if given in
5022         command line and no SEGMENT_START expression is seen in a script.
5023         * script-sections.h (Script_sections::saw_segment_start_expression,
5024         Script_sections::set_saw_segment_start_expression): New method
5025         definition.
5026         (Script_sections::saw_segment_start_expression_): New data member
5027         declaration.
5028         * script.cc (script_saw_segment_start_expression): New function.
5029         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
5030         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
5031         script_test_7.sh and script_test_8.sh.
5032         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
5033         script_test_8.stdout.
5034         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
5035         (script_test_6, script_test_6.stdout, script_test_7,
5036         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
5037         * Makefile.in: Regenerate.
5038         * testsuite/script_test_6.sh: New file.
5039         * testsuite/script_test_6.t: Same.
5040         * testsuite/script_test_7.sh: Same.
5041         * testsuite/script_test_7.t: Same.
5042         * testsuite/script_test_8.sh: Same.
5044 2009-10-16  Doug Kwan  <dougkwan@google.com>
5046         * output.cc (Output_segment::set_section_list_address): Cast
5047         expressions to unsigned long long type to avoid format warnings.
5049 2009-10-15  Ian Lance Taylor  <iant@google.com>
5051         * script.cc (Script_options::add_symbol_assignment): Always add a
5052         dot assignment to script_sections_.
5053         * script-sections.cc (Script_sections::add_dot_assignment):
5054         Initialize if necessary.
5056         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
5057         program headers with no load segment if there is a linker script.
5059         * layout.cc (Layout::set_segment_offsets): Align the file offset
5060         to the segment aligment for -N or -n with no load segment.
5061         * output.cc (Output_segment::add_output_section): Don't crash if
5062         the first section is a TLS section.
5063         (Output_segment::set_section_list_addresses): Print an error
5064         message if the address moves backward in a linker script.
5065         * script-sections.cc
5066         (Output_section_element_input::set_section_addresses): Don't
5067         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
5068         (Orphan_output_section::set_section_addresses): Likewise.
5070 2009-10-15  Doug Kwan  <dougkwan@google.com>
5072         * layout.cc (Layout::finish_dynamic_section): Generate tags
5073         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
5074         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
5075         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
5077 2009-10-14  Ian Lance Taylor  <iant@google.com>
5079         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
5080         fields.
5081         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
5082         data_shdr fields of relinfo.
5083         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
5084         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
5085         R_386_TLS_LDO_32, adjust based on section flags.
5086         (Target_i386::Relocate::fix_up_ldo): Remove.
5088 2009-10-13  Ian Lance Taylor  <iant@google.com>
5090         Add support for -pie.
5091         * options.h (class General_options): Add -pie and
5092         --pic-executable.
5093         (General_options::output_is_position_independent): Test -pie.
5094         (General_options::output_is_executable): Return true if not shared
5095         and not relocatable.
5096         (General_options::output_is_pie): Remove.
5097         * options.cc (General_options::finalize): Reject incompatible uses
5098         of -pie.
5099         * gold.cc (queue_middle_tasks): A -pie link is not static.
5100         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
5101         * symtab.cc (Symbol::final_value_is_known): Return false if
5102         output_is_position_independent.
5103         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
5104         output_is_position_independent.
5105         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
5106         output_is_position_independent.
5107         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
5108         output_is_position_independent.
5109         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
5110         two_file_pie_test.
5111         (basic_pie_test.o, basic_pie_test): New targets.
5112         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
5113         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
5114         (two_file_pie_test): New target.
5115         * testsuite/Makefile.in: Rebuild.
5116         * README: Remove note saying that -pie is not supported.
5118 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5120         * options.h (class General_options): Add -init and -fini.
5121         * layout.cc (Layout::finish_dynamic_section): Emit
5122         given init and fini functions.
5124 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
5126         * gc.h (gc_process_relocs): Check if icf is enabled using new
5127         function.
5128         * gold.cc (queue_initial_tasks): Likewise.
5129         (queue_middle_tasks): Likewise.
5130         * object.cc (do_layout): Likewise.
5131         * symtab.cc (is_section_folded): Likewise.
5132         * main.cc (main): Likewise.
5133         * reloc.cc (Read_relocs::run): Likewise.
5134         (Sized_relobj::do_scan_relocs): Likewise.
5135         * icf.cc (is_function_ctor_or_dtor): New function.
5136         (Icf::find_identical_sections): Check if function is ctor or dtor when
5137         safe icf is chosen.
5138         * options.h (General_options::icf): Change option to be an enum.
5139         (Icf_status): New enum.
5140         (icf_enabled): New method.
5141         (icf_safe_folding): New method.
5142         (set_icf_status): New method.
5143         (icf_status_): New variable.
5144         * (options.cc) (General_options::finalize): Set icf_status_.
5145         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
5146         icf_test and icf_keep_unique_test to use the --icf enum flag.
5147         * testsuite/icf_safe_test.sh: New file.
5148         * testsuite/icf_safe_test.cc: New file.
5150 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
5152         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
5153         includes to gc.h and icf.h.
5154         * arm.cc: Include gc.h.
5155         * gold.cc: Likewise.
5156         * i386.cc: Likewise.
5157         * powerpc.cc: Likewise.
5158         * sparc.cc: Likewise.
5159         * x86_64.cc: Likewise.
5160         * gc.h: Include icf.h.
5162 2009-10-11  Ian Lance Taylor  <iant@google.com>
5164         * plugin.cc: Include "gold.h" before other header files.
5166 2009-10-10  Chris Demetriou  <cgd@google.com>
5168         * options.h (Input_file_argument::Input_file_type): New enum.
5169         (Input_file_argument::is_lib_): Replace with...
5170         (Input_file_argument::type_): New member.
5171         (Input_file_argument::Input_file_argument): Take Input_file_type
5172         'type' rather than boolean 'is_lib' as second argument.
5173         (Input_file_argument::is_lib): Use type_.
5174         (Input_file_argument::is_searched_file): New function.
5175         (Input_file_argument::may_need_search): Handle is_searched_file.
5176         * options.cc (General_options::parse_library): Support -l:filename.
5177         (General_options::parse_just_symbols): Update for Input_file_argument
5178         changes.
5179         (Command_line::process): Likewise.
5180         * archive.cc (Archive::get_file_and_offset): Likewise.
5181         * plugin.cc (Plugin_manager::release_input_file): Likewise.
5182         * script.cc (read_script_file, script_add_file): Likewise.
5183         * fileread.cc (Input_file::Input_file): Likewise.
5184         (Input_file::will_search_for): Handle is_searched_file.
5185         (Input_file::open): Likewise.
5186         * readsyms.cc (Read_symbols::get_name): Likewise.
5187         * testsuite/Makefile.am (searched_file_test): New test.
5188         * testsuite/Makefile.in: Regenerate.
5189         * testsuite/searched_file_test.cc: New file.
5190         * testsuite/searched_file_test_lib.cc: New file.
5192 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5193             Ian Lance Taylor  <iant@google.com>
5195         * descriptor.cc: Include <cstdio> and "binary-io.h".
5196         (Descriptors::open): Open the files in binary mode always.
5197         * script.cc (Lex::get_token): Treat \r as whitespace.
5199 2009-10-09  Ian Lance Taylor  <iant@google.com>
5201         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5203 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5204             Ian Lance Taylor  <iant@google.com>
5206         * configure.ac: Check for readv function also.
5207         * fileread.cc (readv): Define if not HAVE_READV.
5208         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5209         does not exist.
5210         * config.in: Regenerate.
5211         * configure: Regenerate.
5213 2009-10-09  Doug Kwan  <dougkwan@google.com>
5215         * layout.cc (Layout::make_output_section): Call target hook to make
5216         ordinary output section.
5217         (Layout::finalize): Adjust parameter list of call the
5218         Target::may_relax().
5219         * layout.h (class Layout::section_list): New method.
5220         * merge.h (Output_merge_base::entsize): Change visibility to public.
5221         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5222         New methods.
5223         (Output_merge_string::do_is_string): New method.
5224         * object.cc (Sized_relobj::do_setup): renamed from
5225         Sized_relobj::set_up.
5226         * object.h (Sized_relobj::adjust_shndx,
5227         Sized_relobj::initializ_input_to_output_maps,
5228         Sized_relobj::free_input_to_output_maps): Change visibilities to
5229         protected.
5230         (Sized_relobj::setup): Virtualize.
5231         (Sized_relobj::do_setup): New method declaration.
5232         (Sized_relobj::invalidate_section_offset,
5233         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5234         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5235         * options.cc (parse_int): New function.
5236         * options.h (parse_int): New declaration.
5237         (DEFINE_int): New macro.
5238         (stub_group_size): New option.
5239         * output.cc (Output_section::Output_section): Initialize memebers
5240         merge_section_map_, merge_section_by_properties_map_,
5241         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5242         (Output_section::add_input_section): Handled deferred code-fill
5243         generation and remove an old comment.
5244         (Output_section::add_relaxed_input_section): New method definition.
5245         (Output_section::add_merge_input_section): Use merge section by
5246         properties map to speed to search.  Update merge section maps
5247         as appropriate.
5248         (Output_section::build_relaxation_map): New method definition.
5249         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5250         Same.
5251         (Output_section::relax_input_section): Renamed to
5252         Output_section::convert_input_sections_to_relaxed_sections and change
5253         interface to take a vector of pointers to relaxed sections.
5254         (Output_section::find_merge_section,
5255         Output_section::find_relaxed_input_section): New method definitions.
5256         (Output_section::is_input_address_mapped,
5257         Output_section::output_offset, Output_section::output_address):
5258         Use output section data maps to speed up searching.
5259         (Output_section::find_starting_output_address): Add comments.
5260         (Output_section::do_write,
5261         Output_section::write_to_postprocessing_buffer): Do code-fill
5262         generation as appropriate.
5263         (Output_section::get_input_sections): Invalidate relaxed input section
5264         map.
5265         (Output_section::restore_states): Adjust type of checkpoint .
5266         Invalidate relaxed input section map.
5267         * output.h (Output_merge_base): New class declaration.
5268         (Input_section_specifier): New class defintion.
5269         (class Output_relaxed_input_section) Change base class to
5270         Output_section_data_build.
5271         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5272         base class initializer.
5273         (Output_section::add_relaxed_input_section): New method declaration.
5274         (Output_section::Input_section): Change visibility to protected.
5275         (Output_section::Input_section::relobj,
5276         Output_section::Input_section::shndx): Handle relaxed input sections.
5277         Output_section::input_sections) Change visibility to protected.  Also
5278         define overload to return a non-const pointer.
5279         (Output_section::Merge_section_properties): New class defintion.
5280         (Output_section::Merge_section_by_properties_map,
5281         Output_section::Output_section_data_by_input_section_map,
5282         Output_section::Relaxation_map): New types.
5283         (Output_section::relax_input_section): Rename method to
5284         Output_section::convert_input_sections_to_relaxed_sections and change
5285         interface to take a vector of relaxed section pointers.
5286         (Output_section::find_merge_section,
5287         Output_section::find_relaxed_input_section,
5288         Output_section::build_relaxation_map,
5289         Output_section::convert_input_sections_in_list_to_relaxed_sections):
5290         New method declarations.
5291         (Output_section::merge_section_map_
5292         Output_section::merge_section_by_properties_map_,
5293         Output_section::relaxed_input_section_map_,
5294         Output_section::is_relaxed_input_section_map_valid_,
5295         Output_section::generate_code_fills_at_write_): New data members.
5296         * script-sections.cc
5297         (Output_section_element_input::set_section_addresses): Call
5298         current_data_size and addralign methods of relaxed input sections.
5299         (Orphan_output_section::set_section_addresses): Call current_data_size
5300         and addralign methods of relaxed input sections.
5301         * symtab.cc (Symbol_table::compute_final_value): Extract template
5302         from the body of Symbol_table::sized_finalize_symbol.
5303         (Symbol_table::sized_finalized_symbol): Call
5304         Symbol_table::compute_final_value.
5305         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
5306         (Symbol_table::compute_final_value): New templated method declaration.
5307         * target.cc (Target::do_make_output_section): New method defintion.
5308         * target.h (Target::make_output_section): New method declaration.
5309         (Target::relax): Add more parameters for input objects, symbol table
5310         and layout.  Adjust call to do_relax.
5311         (Target::do_make_output_section): New method declaration.
5312         (Target::do_relax): Add parameters for input objects, symbol table
5313         and layout.
5315 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5317         * pread.c: Include stdio.h.
5319 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5321         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
5322         defined.
5324 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5326         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5327         Change read_shndx type to unsigned int.
5328         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5329         int.
5330         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5331         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
5332         Change read_shndx type to unsigned int.
5333         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5334         int.
5335         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5336         * layout.cc (Layout::create_symtab_sections): Cast the result of
5337         local_symcount * symsize to off_t in the gold_assert.
5339 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5341         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
5342         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
5343         R_ARM_BASE_ABS.
5344         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
5345         (Arm_relocate_functions::thm_abs5): New function.
5346         (Arm_relocate_functions::abs12): New function.
5347         (Arm_relocate_functions::abs16): New function.
5348         (Arm_relocate_functions::base_abs): New function.
5349         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
5350         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
5351         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
5352         R_ARM_BASE_ABS.
5353         (Scan::global): Likewise.
5354         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
5355         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
5356         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
5357         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
5358         R_ARM_BASE_ABS.
5360 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5362         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
5363         (Arm_relocate_functions::movt_prel): New function.
5364         (Arm_relocate_functions::thm_movw_prel_nc): New function.
5365         (Arm_relocate_functions::thm_movt_prel): New function.
5366         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
5367         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
5368         (Scan::global, Relocate::relocate): Likewise.
5369         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5371 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5373         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
5374         Incremental_checker.
5375         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
5376         unsigned int.
5377         (class Incremental_inputs_header): New class.
5378         (Incremental_inputs_header_writer): Edit comment.
5379         (Incremental_inputs_entry): New class.
5380         (Incremental_inputs_entry_writer): Edit comment.
5381         (Sized_incremental_binary::do_find_incremental_inputs_section):
5382         Add *strtab_shndx parameter, fill it.
5383         (Sized_incremental_binary::do_check_inputs): New method.
5384         (Incremental_checker::can_incrementally_link_output_file): Use
5385         Sized_incremental_binary::check_inputs.
5386         (Incremental_inputs::report_command_line): Save command line in
5387         command_line_.
5388         * incremental.h:
5389         (Incremental_binary::find_incremental_inputs_section): New
5390         method.
5391         (Incremental_binary::do_find_incremental_inputs_section): Add
5392         strtab_shndx parameter.
5393         (Incremental_binary::do_check_inputs): New pure virtual method.
5394         (Sized_incremental_binary::do_check_inputs): Declare.
5395         (Incremental_checker::Incremental_checker): Add incremental_inputs
5396         parameter, use it to initialize incremental_inputs_.
5397         (Incremental_checker::incremental_inputs_): New field.
5398         (Incremental_checker::command_line): New method.
5399         (Incremental_checker::inputs): New method.
5400         (Incremental_checker::command_line_): New field.
5402 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5404         * incremental.cc: Include <cstdarg> and "target-select.h".
5405         (vexplain_no_incremental): New function.
5406         (explain_no_incremental): New function.
5407         (Incremental_binary::error): New method.
5408         (Sized_incremental_binary::do_find_incremental_inputs_section): New
5409         method.
5410         (make_sized_incremental_binary): New function.
5411         (open_incremental_binary): New function.
5412         (can_incrementally_link_file): Add checks if output is ELF and has
5413         inputs section.
5414         * incremental.h: Include "elfcpp_file.h" and "output.h".
5415         (Incremental_binary): New class.
5416         (Sized_incremental_binary): New class.
5417         (open_incremental_binary): Declare.
5418         * object.cc (is_elf_object): Use
5419         elfcpp::Elf_recognizer::is_elf_file.
5420         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
5421         * output.h (Output_file::filesize): New method.
5423 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5425         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
5426         New function.
5427         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
5428         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
5429         function.
5430         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
5431         function.
5432         (Arm_relocate_functions::movw_abs_nc): New function.
5433         (Arm_relocate_functions::movt_abs): New function.
5434         (Arm_relocate_functions::thm_movw_abs_nc): New function.
5435         (Arm_relocate_functions::thm_movt_abs): New function.
5436         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
5437         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
5438         (Scan::global): Likewise.
5439         (Relocate::relocate): Likewise.
5440         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5442 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5444         * arm.cc (Arm_relocate_functions::got_prel) New function.
5445         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5446         (Relocate::relocate): Likewise.
5447         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5449 2009-10-06  Ian Lance Taylor  <iant@google.com>
5451         * options.h (class General_options): Define
5452         split_stack_adjust_size parameter.
5453         * object.h (class Object): Add uses_split_stack_ and
5454         has_no_split_stack_ fields.  Add uses_split_stack and
5455         has_no_split_stack accessor functions.  Declare
5456         handle_split_stack_section.
5457         (class Reloc_symbol_changes): Define.
5458         (class Sized_relobj): Define Function_offsets.  Declare
5459         split_stack_adjust, split_stack_adjust_reltype, and
5460         find_functions.
5461         * object.cc (Object::handle_split_stack_section): New function.
5462         (Sized_relobj::do_layout): Call handle_split_stack_section.
5463         * dynobj.cc (Sized_dynobj::do_layout): Call
5464         handle_split_stack_section.
5465         * reloc.cc (Sized_relobj::relocate_sections): Call
5466         split_stack_adjust for executable sections in split_stack
5467         objects.  Pass reloc_map to relocate_section.
5468         (Sized_relobj::split_stack_adjust): New function.
5469         (Sized_relobj::split_stack_adjust_reltype): New function.
5470         (Sized_relobj::find_functions): New function.
5471         * target-reloc.h: Include "object.h".
5472         (relocate_section): Add reloc_symbol_changes parameter.  Change
5473         all callers.
5474         * target.h (class Target): Add calls_non_split method.  Declare
5475         do_calls_non_split virtual method.  Declare match_view and
5476         set_view_to_nop.
5477         * target.cc: Include "elfcpp.h".
5478         (Target::do_calls_non_split): New function.
5479         (Target::match_view): New function.
5480         (Target::set_view_to_nop): New function.
5481         * gold.cc (queue_middle_tasks): Give an error if mixing
5482         split-stack and non-split-stack objects with -r.
5483         * i386.cc (Target_i386::relocate_section): Add
5484         reloc_symbol_changes parameter.
5485         (Target_i386::do_calls_non_split): New function.
5486         * x86_64.cc (Target_x86_64::relocate_section): Add
5487         reloc_symbol_changes parameter.
5488         (Target_x86_64::do_calls_non_split): New function.
5489         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5490         parameter.
5491         * powerpc.cc (Target_powerpc::relocate_section): Add
5492         reloc_symbol_changes parameter.
5493         * sparc.cc (Target_sparc::relocate_section): Add
5494         reloc_symbol_changes parameter.
5495         * configure.ac: Call AM_CONDITIONAL for the default target.
5496         * configure: Rebuild.
5497         * testsuite/Makefile.am (TEST_AS): New variable.
5498         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5499         (check_DATA): Add split_i386 and split_x86_64 files.
5500         (SPLIT_DEFSYMS): Define.
5501         (split_i386_[1234n].o): New targets.
5502         (split_i386_[124]): New targets.
5503         (split_i386_[1234r].stdout): New targets.
5504         (split_x86_64_[1234n].o): New targets.
5505         (split_x86_64_[124]): New targets.
5506         (split_x86_64_[1234r].stdout): New targets.
5507         (MOSTLYCLEANFILES): Add new executables.
5508         * testsuite/split_i386.sh: New file.
5509         * testsuite/split_x86_64.sh: New file.
5510         * testsuite/split_i386_1.s: New file.
5511         * testsuite/split_i386_2.s: New file.
5512         * testsuite/split_i386_3.s: New file.
5513         * testsuite/split_i386_4.s: New file.
5514         * testsuite/split_i386_n.s: New file.
5515         * testsuite/split_x86_64_1.s: New file.
5516         * testsuite/split_x86_64_2.s: New file.
5517         * testsuite/split_x86_64_3.s: New file.
5518         * testsuite/split_x86_64_4.s: New file.
5519         * testsuite/split_x86_64_n.s: New file.
5520         * testsuite/testfile.cc (Target_test): Update relocation_section
5521         function.
5522         * testsuite/Makefile.in: Rebuild.
5524 2009-10-06  Ian Lance Taylor  <iant@google.com>
5526         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5527         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5528         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5529         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5530         the address on ldo_addrs_.
5531         (Target_i386::Relocate::fix_up_ldo): New function.
5533 2009-10-06   Rafael Espindola  <espindola@google.com>
5535         * plugin.cc (add_input_library): New.
5536         (Plugin::load): Add add_input_library to tv.
5537         (Plugin_manager::add_input_file): Add the is_lib argument.
5538         (add_input_file): Update call to Plugin_manager::add_input_file.
5539         (add_input_library): New.
5540         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5542 2009-09-30  Doug Kwan  <dougkwan@google.com>
5544         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5545         symbol and call Symbol::may_need_copy_reloc to determine if
5546         a copy reloc is needed.
5547         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5548         nocopyreloc is given in command line.
5549         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5550         given in command line.
5551         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5552         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5553         of the removed Target_i386::may_need_copy_reloc.
5554         * options.h (copyreloc): New option with default value false.
5555         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5556         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5557         instead of the removed Target_powerpc::may_need_copy_reloc.
5558         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5559         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5560         instead of the removed Target_sparc::may_need_copy_reloc.
5561         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5562         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5563         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5564         instead of the removed Target_x86_64::may_need_copy_reloc.
5566 2009-09-30  Ian Lance Taylor  <iant@google.com>
5568         * object.h (class Object): Remove target_ field, and target,
5569         sized_target, and set_target methods.
5570         (Object::sized_target): Remove.
5571         (class Sized_relobj): Update declarations.  Remove sized_target.
5572         * object.cc (Sized_relobj::setup): Remove target parameter.
5573         Change all callers.
5574         (Input_objects::add_object): Don't do anything with the target.
5575         (make_elf_sized_object): Add punconfigured parameter.  Change all
5576         callers.  Set or test parameter target.
5577         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5578         Change all callers.
5579         * parameters.cc (Parameters::set_target): Change parameter type to
5580         be non-const.
5581         (Parameters::default_target): Remove.
5582         (set_parameters_target): Change parameter type to be non-const.
5583         (parameters_force_valid_target): New function.
5584         (parameters_clear_target): New function.
5585         * parameters.h (class Parameters): Update declarations.  Remove
5586         default_target method.  Add sized_target and clear_target
5587         methods.  Change target_ to be non-const.
5588         (set_parameters_target): Update declaration.
5589         (parameters_force_valid_target): Declare.
5590         (parameters_clear_target): Declare.
5591         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5592         as NULL if we aren't searching.
5593         (Add_symbols::run): Don't check for compatible target.
5594         * fileread.cc (Input_file::open_binary): Call
5595         parameters_force_valid_target.
5596         * gold.cc (queue_middle_tasks): Likewise.
5597         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5598         set_target on object.
5599         * dynobj.h (class Sized_dynobj): Update declarations.
5600         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5601         make_elf_object returns NULL.
5602         (Archive::include_member): Don't check whether object target is
5603         compatible.
5604         * output.cc (Output_section::add_input_section): Get target from
5605         parameters.
5606         (Output_section::relax_input_section): Likewise.
5607         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5608         parameters.
5609         (Sized_relobj::do_scan_relocs): Likewise.
5610         (Sized_relobj::relocate_sections): Likewise.
5611         * resolve.cc (Symbol_table::resolve): Likewise.
5612         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5613         parameter.  Change all callers.
5614         (Symbol_table::add_from_object): Get target from parameters.
5615         (Symbol_table::add_from_relobj): Don't check object target.
5616         (Symbol_table::add_from_dynobj): Likewise.
5617         (Symbol_table::define_special_symbol): Get target from
5618         parameters.
5619         * symtab.h (class Symbol_table): Update declaration.
5620         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5621         parameter.  Change all callers.  Clear parameter target.
5622         (Binary_test): Test target here.
5623         * testsuite/object_unittest.cc (gold_testsuite): Remove
5624         target_test_pointer parameter.  Change all callers.
5625         (Object_test): Test target here.
5627 2009-09-26  Ian Lance Taylor  <iant@google.com>
5629         * testsuite/initpri1.c: Don't try to use constructor priorities if
5630         compiling with gcc before 4.3.
5632 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5634         * testsuite/retain_symbols_file_test.sh (check_present): Change
5635         output file name to retain_symbols_file_test.stdout.
5636         (check_absent): Likewise.
5638 2009-09-18  Craig Silverstein  <csilvers@google.com>
5640         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5641         * options.cc: Include <cerrno> and <fstream>.
5642         (General_options::finalize): Parse -retain-symbols-file tag.
5643         * options.h: New flag.
5644         (General_options): New method should_retain_symbol, new
5645         variable symbols_to_retain.
5646         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5647         should_retain_symbol map.
5648         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5649         * testsuite/Makefile.in: Regenerate.
5650         * testsuite/retain_symbols_file_test.sh: New file.
5652 2009-09-18  Nick Clifton  <nickc@redhat.com>
5654         * po/es.po: Updated Spanish translation.
5656 2009-09-17  Doug Kwan  <dougkwan@google.com>
5658         * debug.h (DEBUG_RELAXATION): New constant.
5659         (DEBUG_ALL): Add DEBUG_RELAXATION.
5660         (debug_string_to_enum): Add relaxation debug option.
5661         * layout.cc
5662         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5663         Layout::Relaxation_debug_check::read_sections,
5664         Layout::Relaxation_debug_check::read_sections): New method definitions.
5665         (Layout::Layout): Initialize data members
5666         record_output_section_data_from_scrips_,
5667         script_output_section_data_list_ and relaxation_debug_check_.
5668         (Layout::save_segments, Layout::restore_segments,
5669         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5670         Layout::relaxation_loop_body): New method definitions.
5671         (Layout::finalize): Support relaxation.  Move section layout code to
5672         Layout::relaxation_loop_body.
5673         (Layout::set_asection_address_from_script): Move code for orphan
5674         section placement out.
5675         (Layout::place_orphan_sections_in_script): New method definition.
5676         * layout.h (Output_segment_headers, Output_file_header):
5677         New forward class declarations.
5678         (Layout::~Layout): Define.
5679         (Layout::new_output_section_data_from_script): New method definition.
5680         (Layout::place_orphan_sections_in_script): New method declaration.
5681         (Layout::Segment_states): New type declaration.
5682         (Layout::save_segments, Layout::restore_segments,
5683         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5684         Layout::relaxation_loop_body): New method declarations.
5685         (Layout::Output_section_data_list): New type declaration.
5686         (Layout::Relaxation_debug_check): New class definition.
5687         (Layout::record_output_section_data_from_script_,
5688         Layout::script_output_section_data_list_, Layout::segment_states_,
5689         Layout::relaxation_debug_check_): New data members.
5690         * output.cc: (Output_section_headers::do_size): New method definition.
5691         (Output_section_headers::Output_section_headers): Move size
5692         computation to Output_section_headers::do_size.
5693         (Output_segment_headers::do_size): New method definition.
5694         (Output_file_header::Output_file_header): Move size computation to
5695         Output_file_header::do_size and call it.
5696         (Output_file_header::do_size): New method definition.
5697         (Output_data_group::Output_data_group): Adjust call to
5698         Output_section_data.
5699         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5700         (Output_symtab_xindex::do_write): Add array bound check.
5701         (Output_section::Input_section::print_to_mapfile): Handle
5702         RELAXED_INPUT_SECTION_CODE.
5703         (Output_section::Output_section): Initialize data member checkpoint_.
5704         (Output_section::~Output_section): Delete checkpoint object pointed
5705         by checkpoint_.
5706         (Output_section::add_input_section): Always add an Input_section if
5707         relaxing.
5708         (Output_section::add_merge_input_section): Add assert.
5709         (Output_section::relax_input_section): New method definition.
5710         (Output_section::set_final_data_size): Set load address to zero for
5711         an unallocated section.
5712         (Output_section::do_address_and_file_offset_have_reset_values):
5713         New method definition.
5714         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5715         Handle relaxed input section.
5716         (Output_section::sort_attached_input_sections): Checkpoint input
5717         section list lazily.
5718         (Output_section::get_input_sections): Change type of input_sections to
5719         list of Simple_input_section pointers.  Checkpoint input section list
5720         lazily.  Also handle relaxed input sections.
5721         (Output_section::add_input_section_for_script): Take a reference to
5722         a Simple_input_section object instead of Relobj pointer and section
5723         index as parameter.  Handle relaxed input sections.
5724         (Output_section::save_states, Output_section::restore_states): New
5725         method definitions.
5726         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5727         (Output_data::is_data_size_fixed): New method definition.
5728         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5729         if it is fixed.
5730         (Output_data::address_and_file_offset_have_reset_values): New method
5731         definition.
5732         (Output_data::do_address_and_file_offset_have_reset_values): New method
5733         definition.
5734         (Output_data::set_data_size): Check that data size is not fixed.
5735         (Output_data::fix_data_size): New method definition.
5736         (Output_data::is_data_size_fixed_): New data member.
5737         (Output_section_headers::set_final_data_size): New method definition.
5738         (Output_section_headers::do_size): New method declaration.
5739         (Output_segment_headers::set_final_data_size): New method definition.
5740         (Output_segment_headers::do_size): New method declaration.
5741         (Output_file_header::set_final_data_size)::New method definition.
5742         (Output_file_header::do_size)::New method declaration.
5743         (Output_section_data::Output_section_data): Add new parameter
5744         is_data_size_fixed and use it to fix data size.
5745         (Output_data_const::Output_data_const): Adjust call to base class
5746         constructor and fix data size.
5747         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5748         base class constructor and fix data size.
5749         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5750         base class constructor and fix data size.
5751         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5752         class constructor and fix data size.
5753         (Output_data_group::set_final_data_size): New method definition.
5754         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5755         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5756         class constructor and fix data size.
5757         (Output_relaxed_input_section): New class definition.
5758         (Output_section::Simple_input_section): New class definition.
5759         (Output_section::get_input_sections): Adjust parameter list.
5760         (Output_section::add_input_section_for_script): Same.
5761         (Output_section::save_states, Output_section::restore_states,
5762         Output_section::do_address_and_file_offset_have_reset_values,
5763         (Output_section::Input_section::Input_section): Handle
5764         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5765         Output_relaxed_input_section.
5766         (Output_section::Input_section::is_input_section,
5767         Output_section::Input_section::set_output_section): Handle relaxed
5768         input section.
5769         (Output_section::Input_section::is_relaxed_input_section,
5770         Output_section::Input_section::output_section_data,
5771         Output_section::Input_section::relaxed_input_section): New method
5772         definitions.
5773         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5774         value.
5775         (Output_section::Input_section::u1_): Update comments.
5776         (Output_section::Input_section::u2_): Add new union member poris.
5777         (Output_section::Checkpoint_output_section): New classs definition.
5778         (Output_section::relax_input_section): New method declaration.
5779         (Output_section::checkpoint_): New data member.
5780         (Output_segment): Update comments.
5781         (Output_segment::Output_segment): Un-privatize copy constructor.
5782         (Output_segment::operator=): Un-privatize.
5783         * script-sections.cc (Output_section_element::Input_section_list):
5784         Change element type to Output_section::Simple_input_section.
5785         (Output_section_element_dot_assignment::set_section_addresses):
5786         Register output section data for relaxation clean up.
5787         (Output_data_exression::Output_data_expression): Adjust call to base
5788         constructor to fix data size.
5789         (Output_section_element_data::set_section_addresses): Register
5790         Output_data_expression object for relaxation clean up.
5791         (struct Input_section_info): Replace Relobj pointer and section index
5792         pair with Output_section::Simple_input_section and Convert struct to a
5793         class.
5794         (Input_section_sorter::operator()): Adjust access to
5795         Input_section_info data member to use accessors.
5796         (Output_section_element_input::set_section_addresses): Use layout
5797         parameter.  Adjust code to use Output_section::Simple_input_section
5798         and Input_secction_info classes.  Register filler for relaxation
5799         clean up.
5800         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5801         and section index pair with Output_section::Simple_input_section
5802         class.  Adjust code accordingly.
5803         (Phdrs_element::release_segment): New method definition.
5804         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5805         segment list.
5806         (Script_sections::release_segments): New method definition.
5807         * gold/script-sections.h (Script_sections::release_segments): New
5808         method declaration.
5809         * gold/target.h (Target::may_relax, Target::relax,
5810         Target::do_may_relax, Target::do_relax): New method definitions.
5812 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5814         * arm.cc (has_signed_unsigned_overflow): New function.
5815         (Arm_relocate_functions::abs8): New function.
5816         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5817         (Target_arm::Scan::global): Likewise.
5818         (Target_arm::relocate::relocate): Likewise.
5819         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5820         Likewise.
5822 2009-09-16  Cary Coutant  <ccoutant@google.com>
5824         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5825         * testsuite/Makefile.in: Regenerate.
5827 2009-09-11  Nick Clifton  <nickc@redhat.com>
5829         * po/gold.pot: Updated by the Translation project.
5831 2009-09-08  Cary Coutant  <ccoutant@google.com>
5833         * output.cc (Output_file::open): Add execute permission to empty file.
5834         * testsuite/Makefile.am (permission_test): New test.
5835         * testsuite/Makefile.in: Regenerate.
5837 2009-09-02  Ian Lance Taylor  <iant@google.com>
5839         * output.cc (Output_file::resize): Call map_no_anonymous rather
5840         than map.
5842 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5844         * gold.cc: Include "incremental.h".
5845         (queue_initial_tasks): Call Incremental_checker methods.
5846         * incremental.cc: Include "output.h".
5847         (Incremental_checker::can_incrementally_link_output_file): New
5848         method.
5849         * incremental.h (Incremental_checker): New class.
5851         * output.cc (Output_file::open_for_modification): New method.
5852         (Output_file::map_anonymous): Changed return type to bool.  Record
5853         map in base_ field.
5854         (Output_file::map_no_anonymous): New method, broken out of map.
5855         (Output_file::map): Use map_no_anonymous and map_anonymous.
5856         * output.h (class Output_file): Update declarations.
5858 2009-08-24  Cary Coutant  <ccoutant@google.com>
5860         * options.h (Command_line::Pre_options): New class.
5861         (Command_line::pre_options): New member.
5862         * options.cc (gold::options::ready_to_register): New variable.
5863         (One_option::register_option): Do nothing if not registering options.
5864         Assert if same short option registered twice.
5865         (General_options::General_options): Turn off option registration when
5866         done constructing.
5867         (Command_line::Pre_options::Pre_options): New constructor.
5869 2009-08-24  Cary Coutant  <ccoutant@google.com>
5871         * options.h (General_options::no_keep_memory): Remove incorrect
5872         short option.
5874 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5876         * Makefile.am (am__skiplex, am__skipyacc): New.
5877         * Makefile.in: Regenerate.
5879 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5881         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5882         (INCLUDES): ... this.
5883         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5884         (AM_CPPFLAGS): Renamed from ...
5885         (INCLUDE): ... this.
5886         * Makefile.in, testsuite/Makefile.in: Regenerate.
5888         * Makefile.in: Regenerate.
5889         * aclocal.m4: Likewise.
5890         * config.in: Likewise.
5891         * configure: Likewise.
5892         * testsuite/Makefile.in: Likewise.
5894         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5895         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5896         * Makefile.in: Regenerate.
5897         * testsuite/Makefile.in: Regenerate.
5899 2009-08-19  Cary Coutant  <ccoutant@google.com>
5901         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5902         symbols in shared libraries overridden by hidden or internal symbols
5903         in the main program.
5905 2009-08-19  Chris Demetriou  <cgd@google.com>
5907         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5908         checking source file names in error messages.
5910 2009-08-18  Doug Kwan  <dougkwan@google.com>
5912         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5913         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5914         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5915         an elfcpp::Ehdr as parameter.
5916         * object.cc (Object::set_target): Remove the version that looks up
5917         a target and sets it.
5918         (Sized_relobj::setup): Take a Target object instead of
5919         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5920         (make_elf_sized_object): Find target and ask target to
5921         make an ELF object.
5922         * object.h: (Object::set_target): Remove the version that looks up
5923         a target and sets it.
5924         (Sized_relobj::setup): Take a Target object instead of
5925         an elfcpp:Ehdr as parameter.
5926         * target.cc: Include dynobj.h.
5927         (Target::do_make_elf_object_implementation): New.
5928         (Target::do_make_elf_object): New.
5929         * target.h (Target::make_elf_object): New template declaration.
5930         (Target::do_make_elf_object): New method declarations.
5931         (Target::do_make_elf_object_implementation): New template declaration.
5933 2009-08-14  Ian Lance Taylor  <iant@google.com>
5935         * gold.h (FUNCTION_NAME): Define.
5936         (gold_unreachable): Use FUNCTION_NAME.
5938 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5940         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5941         symbol in the --keep-unique list is not found.
5943 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5945         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5946         been maked as --keep-unique.
5947         (Icf::unfold_section): New function.
5948         * icf.h (Icf::unfold_section): New function.
5949         * options.h (General_options::keep_unique): New option.
5950         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5951         * testsuite/Makefile.in: Regenerate.
5952         * testsuite/icf_keep_unique_test.sh: New file.
5953         * testsuite/icf_keep_unique_test.cc: New file.
5955 2009-08-12  Cary Coutant  <ccoutant@google.com>
5957         PR 10471
5958         * resolve.cc (Symbol_table::resolve): Check for references from
5959         dynamic objects to hidden and internal symbols.
5960         * testsuite/Makefile.am (hidden_test.sh): New test.
5961         * testsuite/Makefile.in: Regenerate.
5962         * testsuite/hidden_test.sh: New script.
5963         * testsuite/hidden_test_1.c: New test source.
5964         * testsuite/hidden_test_main.c: New test source.
5966 2009-08-11  Doug Kwan  <dougkwan@google.com>
5968         * arm.cc: Update comments.
5969         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5970         segment to locate the .ARM.exidx section if present.
5972 2009-08-09  Doug Kwan  <dougkwan@google.com>
5974         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5975         patch.
5977 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5978         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5979         compiler warnings.
5981 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5983         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5984         valid tls_segment only for non-debug-section relocations.
5985         * testsuite/Makefile.am: Add gc_tls_test.
5986         * testsuite/Makefile.in: Regenerate.
5987         * testsuite/gc_tls_test.cc: New file.
5988         * testsuite/gc_tls_test.sh: New file.
5990 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5992         * icf.cc: New file.
5993         * icf.h: New file.
5994         * Makefile.am (CCFILES): Add icf.cc.
5995         (HFILES): Add icf.h
5996         * Makefile.in: Regenerate.
5997         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5998         * gc.h (gc_process_relocs): Populate lists used by icf to contain
5999         section, symbol and addend information for the relocs.
6000         * gold.cc (queue_middle_tasks): Call identical code folding.
6001         * gold.h: Add defines for multimap.
6002         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
6003         to the call of finalize_local_symbols.
6004         * main.cc (main): Create object of class Icf.
6005         * object.cc (Sized_relobj::do_layout): Allow this function to be
6006         called twice during icf.
6007         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
6008         to sections marked as identical by icf.
6009         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
6010         when available.
6011         (Sized_relobj::do_section_entsize): New function.
6012         * object.h (Object::section_entsize): New function.
6013         (Object::do_section_entsize): New pure virtual function.
6014         (Relobj::finalize_local_symbols): Add new parameter.
6015         (Relobj::do_section_entsize): New function.
6016         * options.h (General_options::icf): New option.
6017         (General_options::icf_iterations): New option.
6018         (General_options::print_icf_sections): New option.
6019         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
6020         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
6021         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
6022         icf.
6023         * symtab.cc (Symbol_table::is_section_folded): New function.
6024         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
6025         to sections marked as identical by icf.
6026         * symtab.h (Symbol_table::set_icf): New function.
6027         (Symbol_table::icf): New function.
6028         (Symbol_table::is_section_folded): New function.
6029         (Symbol_table::icf_): New data member.
6030         * target-reloc.h (relocate_section): Ignore sections folded by icf.
6031         * testsuite/Makefile.am: Add commands to build icf_test.
6032         * testsuite/Makefile.in: Regenerate.
6033         * testsuite/icf_test.sh: New file.
6034         * testsuite/icf_test.cc: New file.
6036 2009-07-24  Chris Demetriou  <cgd@google.com>
6038         * layout.cc (is_compressible_debug_section): Fix incorrect
6039         comment about compressed section names.
6041 2009-07-20  Ian Lance Taylor  <ian@airs.com>
6043         PR 10419
6044         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
6046 2009-07-16  Ian Lance Taylor  <iant@google.com>
6048         PR 10400
6049         * layout.h: #include <map>.
6050         (class Kept_section): Change from struct to class.  Add accessors
6051         and setters.  Add section size to Comdat_group mapping.  Change
6052         Comdat_group to std::map.  Add is_comdat_ field.  Add
6053         linkonce_size field in union.
6054         (class Layout): Update declaration of find_or_add_kept_section.
6055         Don't declare find_kept_object.
6056         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
6057         parameter.  Add object, shndx, is_comdat, and is_group_name
6058         parameters.  Change all callers.  Adjust for new Kept_section.
6059         (Layout::find_kept_object): Remove.
6060         * object.cc (Sized_relobj::include_section_group): Update use of
6061         Kept_section.  Rename secnum to shndx.  Only record
6062         Kept_comdat_section if sections are the same size.
6063         (Sized_relobj::include_linkonce_section): Update use of
6064         Kept_section.  Only record Kept_comdat_section if sections are the
6065         same size.  Set size of linkonce section.
6066         (Sized_relobj::map_to_kept_section): Update call to
6067         get_kept_comdat_section.
6068         * object.h (class Sized_relobj): Rename fields in
6069         Kept_comdat_section to drop trailing underscores; change object
6070         field to Relobj*.  Change Kept_comdat_section_table to store
6071         struct rather than pointer.
6072         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
6073         Add kept_object and kept_shndx parameters.  Change all callers.
6074         (Sized_relobj::get_kept_comdat_section): Change return type to
6075         bool.  Add kept_object and kept_shndx parameters.  Change all
6076         callers.
6077         * plugin.cc (Pluginobj::include_comdat_group): Update call to
6078         Layout::find_or_add_kept_section.
6080 2009-07-09  Ian Lance Taylor  <iant@google.com>
6082         * merge.cc (Object_merge_map::initialize_input_to_output_map):
6083         Reserve space in the hash table.
6085 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
6087         * fileread.cc (File_read::get_mtime): New method.
6088         * fileread.h (Timespec): New structure.
6089         (File_read::get_mtime): New method.
6090         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
6091         Renamed from timestamp_nsec.
6092         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
6093         Elf_Xword.
6094         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
6095         timestamp_nsec.
6096         (Incremental_inputs::report_archive): Save mtime; style fix.
6097         (Incremental_inputs::report_obejct): Save mtime; style fix.
6098         (Incremental_inputs::report_script): Save mtime; style fix.
6099         (Incremental_inputs::finalize_inputs): Style fix.
6100         (Incremental_inputs::finalize): Style fix.
6101         (Incremental_inputs::create_input_section_data): Store inputs
6102         mtime.
6103         * incremental.h (Incremental_inputs::report_script): Add mtime
6104         argument.
6105         (Incremental_inputs::Input_info::Input_info): Intialize only one
6106         union member.
6107         (Incremental_inputs::Input_info::archive): Move to nameless
6108         union.
6109         (Incremental_inputs::Input_info::obejct): Move to nameless union.
6110         (Incremental_inputs::Input_info::script): Move to nameless union.
6111         (Incremental_inputs::mtime): New field.
6112         * script.cc (read_input_script): Pass file mtime to
6113         Incremental_input.
6114         * script.h (Script_info::inputs): Style fix.
6116 2009-07-01  Ian Lance Taylor  <ian@airs.com>
6118         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
6119         instead of 32.
6121 2009-06-24  Ian Lance Taylor  <iant@google.com>
6123         PR 10156
6124         * layout.cc (Layout::choose_output_section): If we find an
6125         existing section, update the flags.
6126         (Layout::create_notes): New function, broken out of
6127         Layout::finalize.
6128         (Layout::finalize): Don't create note sections.
6129         (Layout::create_note): Don't crash if linker script discards
6130         section.
6131         (Layout::create_gold_note): Likewise.
6132         (Layout::create_build_id): Likewise.  Don't set
6133         after_input_sections on the section.
6134         (Layout::create_executable_stack_info): Remove target parameter.
6135         Change caller.
6136         * layout.h (class Layout): Declare create_notes.  Update
6137         declaration of create_executable_stack_info.
6138         * gold.cc (queue_middle_tasks): Call create_notes.
6139         * output.cc (Output_section::update_flags_for_input_section): Move
6140         here from output.h.  If SHF_ALLOC flag is newly set, mark address
6141         invalid.
6142         * output.h (Output_data::mark_address_invalid): New function.
6143         (class Output_section): Only declare, not define,
6144         update_flags_for_input_section.  Remove set_flags.
6146 2009-06-24  Ian Lance Taylor  <iant@google.com>
6148         * script-sections.cc (Output_section_definition::
6149         set_section_addresses): Rename shadowing local load_address to
6150         laddr.
6152 2009-06-24  Ian Lance Taylor  <iant@google.com>
6154         PR 10244
6155         * reloc.cc (relocate_sections): Skip empty relocation sections.
6157 2009-06-23  Ian Lance Taylor  <iant@google.com>
6159         PR 10156
6160         * layout.cc (Layout::create_note): Use choose_output_section
6161         rather than make_output_section.
6163 2009-06-23  Ian Lance Taylor  <iant@google.com>
6165         PR 10237
6166         * options.cc (General_options::parse_V): Set printed_version_.
6167         (General_options::General_options): Initialize printed_version_.
6168         * options.h (class General_options): Add printed_version_ field.
6169         * gold.cc (queue_initial_tasks): If there are no input files,
6170         don't give a fatal error if we printed the version information.
6171         (queue_middle_tasks): If using -r with a shared object, give a
6172         fatal error rather than an ordinary error.
6174 2009-06-23  Ian Lance Taylor  <iant@google.com>
6176         PR 10219
6177         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
6178         (Layout::make_output_section): Set have_stabstr_section_ if we see
6179         a .stab*str section.
6180         (Layout::finalize): Call link_stabs_sections.
6181         (Layout::link_stabs_sections): New file.
6182         * layout.h (class Layout): Add have_stabstr_section_ field.
6183         Declare link_stabs_sections.
6185 2009-06-23  Doug Kwan  <dougkwan@google.com>
6187         * Makefile.am (libgold_a_LIBADD): New.
6188         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6189         * Makefile.in: Regenerate.
6190         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6191         * configure: Regenerate.
6192         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6193         * fileread.cc: Include sys/state.h
6194         * gold.h: Declare memmem and strndup if found missing.
6195         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6197 2009-06-23  Ian Lance Taylor  <iant@google.com>
6199         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6200         * configure: Rebuild.
6202 2009-06-23  Ian Lance Taylor  <iant@google.com>
6204         PR 10147
6205         * object.cc (Object::section_contents): Don't try to get a view if
6206         the section has length zero.
6207         (Object::handle_gnu_warning_section): If the section is empty, use
6208         the name of the section as the warning.
6210 2009-06-23  Ian Lance Taylor  <iant@google.com>
6212         PR 10133
6213         * stringpool.h (class Stringpool_template): Add optimize_ field.
6214         (Stringpool_template::set_optimize): New function.
6215         * stringpool.cc (Stringpool_template::Stringpool_template):
6216         Initialize optimize_ field.
6217         (Stringpool_template::set_string_offsets): Test local optimize
6218         fild rather than parameter.
6219         * layout.cc (Layout::Layout): Call set_optimize on the section
6220         name stringpool.
6222 2009-06-22  Ian Lance Taylor  <iant@google.com>
6224         PR 10030
6225         * yyscript.y: Parse TARGET.
6226         * script.cc (script_set_target): New function.
6227         * script-c.h (script_set_target): Declare.
6228         * options.cc (General_options::string_to_object_format): Rename
6229         from string_to_object_format in anonymous namespace.  Change
6230         callers.
6231         * options.h (class General_options): Declare
6232         string_to_object_format.
6234 2009-06-22  Ian Lance Taylor  <iant@google.com>
6236         * script-sections.cc (Script_sections::create_segments): Don't put
6237         program headers in a PT_LOAD segment if -n or -N.
6239 2009-06-22  Ian Lance Taylor  <iant@google.com>
6241         PR 10141
6242         * options.h (class General_options): Add -z lazy and -z now.  Sort
6243         -z options into alphabetical order.
6244         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6246 2009-06-21  Ian Lance Taylor  <iant@google.com>
6248         * layout.cc (Layout::make_output_section): Call
6249         Target::new_output_section.
6250         (Layout::attach_allocated_section_to_segment): Put large section
6251         sections in a separate load segment with the large segment flag
6252         set.
6253         (Layout::segment_precedes): Sort large data segments after other
6254         load segments.
6255         (align_file_offset): New static function.
6256         (Layout::set_segment_offsets): Use align_file_offset.
6257         * output.h (class Output_section): Add is_small_section_ and
6258         is_large_section_ fields.
6259         (Output_section::is_small_section): New function.
6260         (Output_section::set_is_small_section):  New function.
6261         (Output_section::is_large_section): New function.
6262         (Output_section::set_is_large_section): New function.
6263         (Output_section::is_large_data_section): New function.
6264         (class Output_segment): Add is_large_data_segment_ field.
6265         (Output_segment::is_large_data_segment): New function.
6266         (Output_segment::set_is_large_data_segment): New function.
6267         * output.cc (Output_section::Output_section): Initialize new
6268         fields.
6269         (Output_segment::Output_segment): Likewise.
6270         (Output_segment::add_output_section): Add assertion that large
6271         data sections always go in large data segments.  Force small data
6272         sections to the end of the list of data sections.  Force small BSS
6273         sections to the start of the list of BSS sections.  For large BSS
6274         sections to the end of the list of BSS sections.
6275         * symtab.h (class Symbol): Declare is_common_shndx.
6276         (Symbol::is_defined): Check Symbol::is_common_shndx.
6277         (Symbol::is_common): Likewise.
6278         (class Symbol_table): Define enum Commons_section_type.  Update
6279         declarations.  Add small_commons_ and large_commons_ fields.
6280         * symtab.cc (Symbol::is_common_shndx): New function.
6281         (Symbol_table::Symbol_table): Initialize new fields.
6282         (Symbol_table::add_from_object): Put small and large common
6283         symbols in the right list.
6284         (Symbol_table::sized_finalized_symbol): Check
6285         Symbol::is_common_shndx.
6286         (Symbol_table::sized_write_globals): Likewise.
6287         * common.cc (Symbol_table::do_allocate_commons): Allocate new
6288         common symbol lists.  Don't call do_allocate_commons_list if the
6289         list is empty.
6290         (Symbol_table::do_allocate_commons_list): Remove is_tls
6291         parameter.  Add comons_section_type parameter.  Change all
6292         callers.  Handle small and large common symbols.
6293         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
6294         Symbol::is_common_shndx.
6295         * resolve.cc (symbol_to_bits): Likewise.
6296         * target.h (Target::small_common_shndx): New function.
6297         (Target::small_common_section_flags): New function.
6298         (Target::large_common_shndx): New function.
6299         (Target::large_common_section_flags): New function.
6300         (Target::new_output_section): New function.
6301         (Target::Target_info): Add small_common_shndx, large_common_shndx,
6302         small_common_section_flags, and large_common_section_flags
6303         fields.
6304         (Target::do_new_output_section): New virtual function.
6305         * arm.cc (Target_arm::arm_info): Initialize new fields.
6306         * i386.cc (Target_i386::i386_info): Likewise.
6307         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6308         Likewise.
6309         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
6310         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6311         (Target_x86_64::do_new_output_section): New function.
6312         * configure.ac: Define conditional MCMODEL_MEDIUM.
6313         * testsuite/Makefile.am (check_PROGRAMS): Add large.
6314         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
6315         (large_LDFLAGS): Define.
6316         * testsuite/large.c: New file.
6317         * testsuite/testfile.cc (Target_test::test_target_info):
6318         Initialize new fields.
6319         * configure, testsuite/Makefile.in: Rebuild.
6321 2009-06-05  Doug Kwan  <dougkwan@google.com>
6323         * Makefile.am (CCFILES): Add target.cc.
6324         * Makefile.in: Regenerate.
6325         * i386.cc (class Target_i386): Define new virtual method to
6326         override do_is_local_label_name in parent.
6327         * object.cc (Sized_relobj::do_count_local_symbols): Discard
6328         local symbols if --discard-locals or -X is given.
6329         * options.h (class General_options): Declare new options
6330         '--discard-locals' and '-X' for discarding locals.
6331         * target.h (class Target): Define new methods is_local_label_name.
6332         Declare new virtual method do_is_local_label_name.
6333         * target.cc: New file.
6334         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
6335         (check_SCRIPTS): Add discard_locals_test.sh.
6336         (check_DATA): Add discard_local_tests.syms.
6337         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
6338         (discard_local_tests.syms, discard_locals_test.o): New make rules.
6339         * testsuite/Makefile.in: Regenerate.
6340         * testsuite/discard_locals_test.c: New file.
6341         * testsuite/discard_locals_test.sh: Same.
6343 2009-06-05  Doug Kwan  <dougkwan@google.com>
6345         * object.cc (Sized_relobj::Sized_relobj): Initialize
6346         discarded_eh_frame_shndx_ to -1U.
6347         (Sized_relobj::do_layout): Record index of a discard .eh_frame
6348         section.
6349         (Sized_relobj::do_count_local_symbols): Skip local symbols in
6350         a discarded .eh_frame section.
6351         (Sized_relobj::do_finalize_local_symbols): Ditto.
6352         * object.h (class Sized_relobj): Declare new member
6353         discarded_eh_frame_shndx_.
6354         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
6355         (local_labels_test.o, local_labels_test): New rules.
6356         * testsuite/Makefile.in: Regenerate.
6358 2009-06-04  Doug Kwan  <dougkwan@google.com>
6360         * layout.cc (Layout::section_name_mapping): Add mapping for
6361         special ARM sections.
6363 2009-06-03  Doug Kwan  <dougkwan@google.com>
6365         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
6366         (utils::has_overflow): Same.
6368 2009-06-03  Ian Lance Taylor  <iant@google.com>
6370         * layout.cc (Layout::section_name_mapping): New array, replacing
6371         Layout::linkonce_mapping.
6372         (Layout::section_name_mapping_count): New variable, replacing
6373         Layout::linkonce_mapping_count.
6374         (Layout::linkonce_output_name): Remove.
6375         (Layout::output_section_name): Rewrite.
6376         * layout.h (class Layout): Rename Linkonce_mapping to
6377         Section_name_mapping, linkonce_mapping to section_name_mapping,
6378         linkonce_mapping_count to section_name_mapping_count.  Don't
6379         declare linkonce_output_name.
6381 2009-06-03  Doug Kwan  <dougkwan@google.com>
6383         * gold/arm.cc (namespace utils): New.
6384         (Target_arm::reloc_is_non_pic): Define new method.
6385         (class Arm_relocate_functions): New.
6386         (Target_arm::Relocate::relocate): Handle relocation types used by
6387         Android.
6389 2009-06-03  Ian Lance Taylor  <iant@google.com>
6391         * arm.cc (Target_arm::scan::global): Use || instead of |.
6393 2009-06-02  Doug Kwan  <dougkwan@google.com>
6395         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
6396         issued_non_pic_error_.
6397         (class Target_arm::Scan): Declare new method check_non_pic.
6398         Define new method symbol_needs_plt_entry.
6399         Declare new data member issued_non_pic_error_.
6400         (class Target_arm::Relocate): Declare new method
6401         should_apply_static_reloc.
6402         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
6403         (Target_arm::Scan::check_non_pic): Define new method.
6404         (Target_arm::Scan::local): Handle a small subset of reloc types used
6405         by Android.
6406         (Target_arm::Scan::local): Same.
6407         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
6409 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
6411         * incremental.cc (Incremental_inputs::report_command_line): Filter
6412         out --incremental-* options.
6414 2009-05-29  Doug Kwan  <dougkwan@google.com>
6416         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
6417         template class.
6418         (class Target_arm): Update comment.
6419         (Target_arm::Target_arm): Initialize new data members GOT_,
6420         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
6421         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
6422         and Target_arm::rel_dyn_section.
6423         Declare new_enum Target_arm::Got_type.
6424         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
6425         and DYNBSS_.
6426         Update commments for member do_dynsym_value.
6427         (Target_arm::got_size, Target_arm::plt_section,
6428         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
6429         new methods inside class defintion.
6430         (Target_arm::got_section): Define new method.
6431         (Target_arm::rel_dyn_section): Same.
6432         (Output_data_plt_arm): New template class.
6433         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
6434         (Output_data_plt_arm:do_adjust_output_section): Define new method.
6435         (Output_data_plt_arm::add_entry): Same.
6436         (Output_data_plt_arm::first_plt_entry): Define new
6437         static data member for PLT instruction template.
6438         (Output_data_plt_arm::plt_entry): Same.
6439         (Output_data_plt_arm::do_write): Define new method.
6440         (Target_arm::make_plt_entry): Same.
6441         (Target_arm::do_finalize_sections): Same.
6442         (Target_arm::do_dynsym_value): Same.
6444 2009-05-28  Doug Kwan  <dougkwan@google.com>
6446         * Makefile.am (TARGETSOURCES): Add arm.cc.
6447         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6448         * Makefile.in: Regenerate.
6449         * arm.cc: New file.
6450         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6452 2009-05-26  Doug Kwan  <dougkwan@google.com>
6454         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6455         (General_options::check_excluded_libs): Strip off directories in
6456         archive name before matching like GNU ld does.
6457         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6458         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6459         (exclude_libs_test_LDFLAGS): Add linker option
6460         -Wl,--exclude-libs,libexclude_libs_test_3
6461         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6462         an explicit archive without using -l.
6463         (alt/libexclude_libs_test_3.a): New make rule.
6464         * testsuite/Makefile.in: Regenerate.
6465         * testsuite/exclude_libs_test.c : Declare lib3_default().
6466         (main): Call it.
6467         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6468         * exclude_libs_test_3.c: New file.
6470 2009-05-26  Nick Clifton  <nickc@redhat.com>
6472         * po/id.po: New Indonesian translation.
6473         * po/gold.pot: Updated template file.
6475 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6477         * testsuite/Makefile.am: Add -ffunction-sections to compile
6478         gc_comdat_test files.  Add -Wl,--gc-sections to build
6479         gc_comdat_test.
6480         * testsuite/Makefile.in: Regenerate.
6481         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6483 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6485         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6486         kept comdat section was garbage collected.
6487         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6488         * testsuite/Makefile.in: Regenerate.
6489         * testsuite/gc_comdat_test.sh: New file.
6490         * testsuite/gc_comdat_test_1.cc: New file.
6491         * testsuite/gc_comdat_test_2.cc: New file.
6493 2009-05-19  Doug Kwan  <dougkwan@google.com>
6495         * archive.cc (Archive::Archive): Move constructor from archive.h
6496         to here.  Initialize no_export_.
6497         (Archive::get_elf_object_for_member): Set no_export flag of object.
6498         * archive.h (Archive::Archive): Move constructor body to
6499         archive.cc.
6500         (Archive::no_export): New method.
6501         (Archive::no_export_): New field.
6502         * object.h (Object::Object): Initialize no_export_ to false.
6503         (Object::no_export, Object::set_no_export): New methods.
6504         (Object::no_export_): New field.
6505         * options.cc (General_options::parse_exclude_libs): New method.
6506         (General_options::check_excluded_libs) Same.
6507         * options.h (exclude_libs): New option.
6508         (General_options::check_excluded_libs): New method declaration.
6509         (General_options::excluded_libs_): New field.
6510         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6511         default or protected visibility if an object has no-export flag set.
6512         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6513         (check_SCRIPTS): Add exclude_libs_test.sh.
6514         (check_DATA): Add exclude_libs_test.syms.
6515         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6516         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6517         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6518         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6519         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6520         libexclude_libs_test_2.a): New rules.
6521         * testsuite/Makefile.in: Regenerate.
6522         * testsuite/exclude_libs_test.c: New file.
6523         * testsuite/exclude_libs_test.sh: Ditto.
6524         * testsuite/exclude_libs_test_1.c: Ditto.
6525         * testsuite/exclude_libs_test_2.c: Ditto.
6527 2009-05-15  Ian Lance Taylor  <iant@google.com>
6529         * configure.ac: Check for declarations for cases where libiberty.h
6530         checks HAVE_DECL_xxx.
6531         * configure, config.in: Rebuild.
6533 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6535         * gold.h (Incremental_argument_list): Remove (invalid) forward
6536         declaration.
6537         * incremental.cc (Incremental_inputs::report_achive): New method.
6538         (Incremental_inputs::report_object): New method.
6539         (Incremental_inputs::report_script): New method.
6540         (Incremental_inputs::finalize_inputs): New method.
6541         (Incremental_inputs::finalize): Call finalize_inputs().
6542         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6543         Create inputs entries.
6544         * incremental.h (Incremental_input_type): New enum.
6545         (Incremental_inputs::Incremental_input): Initialize new fields.
6546         (Incremental_inputs::report_inputs): New method.
6547         (Incremental_inputs::report_achive): New method.
6548         (Incremental_inputs::report_object): New method.
6549         (Incremental_inputs::report_script): New method.
6550         (Incremental_inputs::finalize_inputs): New method.
6551         (Incremental_inputs::Input_info): New struct.
6552         (Incremental_inputs::Input_info_map): New typedef.
6553         (Incremental_inputs::lock_): New field.
6554         (Incremental_inputs::Inputs_): New field.
6555         (Incremental_inputs::Inputs_map): New field.
6556         * main.cc (main): Call Incremental_input::report_inputs.
6557         * options.h (Input_argument_list): Typedef moved from
6558         Input_arguments.
6559         (Input_file_group::Files): Remove, use ::Input_argument_list.
6560         (Input_file_group::Input_argument_list): Remove, use
6561         ::Input_argument_list.
6562         * plugin.cc (Plugin_manager::add_input_file): Add error in
6563         incremental build.
6564         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6565         functions.
6566         * script.cc (read_input_script): Call
6567         Incremental_input::report_script.
6568         * script.h (Script_info): New class.
6570 2009-04-27  Ian Lance Taylor  <iant@google.com>
6572         * x86_64.cc (do_adjust_output_section): Set entsize to
6573         plt_entry_size.
6575 2009-04-23  Elliott Hughes  <enh@google.com>
6577         * output.cc (Output_file::close): After short writes, continue
6578         writing from the correct offset in the buffer being written.
6580 2009-04-23  Chris Demetriou  <cgd@google.com>
6582         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6583         * configure: Regenerate.
6584         * config.in: Regenerate.
6585         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6586         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6588 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6590         * incremental.cc (Incremental_inputs_header_data): Renamed from
6591         Incremental_input_header_data.
6592         (Incremental_inputs_header_data::data_size): New field.
6593         (Incremental_inputs_header_data::put_input_file_count): Renamed
6594         from input_file_count.
6595         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6596         from command_line_offset.
6597         (Incremental_inputs_header_data::put_reserved): Renamed from
6598         put_reserved.
6599         (Incremental_inputs_entry_data): Renamed from
6600         Incremental_input_entry_data.
6601         (Incremental_inputs_entry_data::data_size): New field.
6602         (Incremental_inputs::report_command_line): New method.
6603         (Incremental_inputs::finalize): New method.
6604         (Incremental_inputs::create_incremental_inputs_data): New method.
6605         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6606         * incremental.h: New file.
6607         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6608        (Layout::finalize): Create incremental inputs section in
6609         incremental builds.
6610        (Layout::create_incremental_info_sections): New method.
6611         * layout.h (Layout::incremental_inputs): New method.
6612        (Layout::create_incremental_info_sections): New method.
6613        (Layout::incremental_inputs_): New field.
6614         * main.cc (main): Notify Incremental_input of the command line.
6616 2009-04-01  Ian Lance Taylor  <iant@google.com>
6617             Mikolaj Zalewski  <mikolajz@google.com>
6619         * gold.h (reserve_unordered_map): Define, three versions, one for
6620         each version of Unordered_map.
6621         * layout.cc (Layout::Layout): Remove options parameter.  Add
6622         number_of_input_files parameter.  Don't initialize options_.
6623         Initialize number_of_input_files_ and resized_signatures_.  Move
6624         sections_are_attached_.
6625         (Layout::layout_group): Reserve space for group_signatures_.
6626         (Layout::find_or_add_kept_section): Change name parameter to be a
6627         reference.  Resize signatures_ map when it gets large enough.
6628         (Layout::layout_eh_frame): Use parameters->options() instead of
6629         this->options_.
6630         (Layout::make_output_section): Likewise.
6631         (Layout::attach_allocated_section_to_segment): Likewise.
6632         (Layout::finalize, Layout::create_executable_stack): Likewise.
6633         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6634         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6635         * layout.h (class Layout): Update declarations.  Remove options_
6636         field.  Add number_of_input_files_ and resized_signatures_
6637         fields.  Move sections_are_attached_ field.
6638         * main.cc (main): Pass number of input files to Layout
6639         constructor.  Don't pass options.
6641 2009-03-30  Ian Lance Taylor  <iant@google.com>
6643         * ffsll.c (ffsll): Correct implementation.
6645 2009-03-27  Ian Lance Taylor  <iant@google.com>
6647         * ffsll.c: New file.
6648         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6649         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6650         * ftruncate.c (ftruncate): Declare before definition.
6651         * mremap.c (mremap): Likewise.
6652         * pread.c (pread): Likewise.
6653         * configure, Makefile.in, config.in: Rebuild.
6655         * mremap.c: New file.
6656         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6657         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6658         (mremap): Declare if HAVE_MREMAP is not defined.
6659         * configure, Makefile.in, config.in: Rebuild.
6661 2009-03-27  Cary Coutant  <ccoutant@google.com>
6663         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6664         position independent.
6665         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6666         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6668 2009-03-24  Cary Coutant  <ccoutant@google.com>
6670         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6671         an executable.
6672         (needs_dynamic_reloc): Likewise.
6674 2009-03-24  Ian Lance Taylor  <iant@google.com>
6676         * yyscript.y (file_cmd): Recognize EXTERN.
6677         (extern_name_list, extern_name_list_body): New nonterminals.
6678         * script.cc (script_add_extern): Define.
6679         * script-c.h (script_add_extern): Declare.
6681 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6683         * object.cc (is_elf_object): Define.
6684         * object.h (is_elf_object): Declare.
6685         * archive.cc (Archive::get_elf_object_for_member): Call
6686         is_elf_object.
6687         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6689 2009-03-24  Elliott Hughes  <enh@google.com>
6691         * output.cc (Output_file::map_anonymous): Define.
6692         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6693         try an anonymous one.  Report the size if the mmap fails.
6694         * output.h (class Output_file): Declare map_anonymous.
6696 2009-03-24  Ian Lance Taylor  <iant@google.com>
6698         * target-select.cc (instantiate_target): Don't acquire the lock if
6699         the instantiated_target_ field has already been set.
6701 2009-03-23  Ian Lance Taylor  <iant@google.com>
6703         * gold-threads.h (class Initialize_lock): Define.
6704         * gold-threads.cc (class Initialize_lock_once): Define.
6705         (initialize_lock_control): New static variable.
6706         (initialize_lock_pointer): New static variable.
6707         (initialize_lock_once): New static function.
6708         (Initialize_lock::Initialize_lock): Define.
6709         (Initialize_lock::initialize): Define.
6710         * target-select.h: Include "gold-threads.h".
6711         (class Target_selector): Add lock_ and initialize_lock_ fields.
6712         Don't define instantiate_target, just declare it.
6713         * target-select.cc (Target_selector::Target_selector): Initialize
6714         new fields.
6715         (Target_selector::instantiate_target): Define.
6716         * descriptors.h: Include "gold-threads.h".
6717         (class Descriptors): Add initialize_lock_ field.
6718         * descriptors.cc (Descriptors::Descriptors): Initialize new
6719         field.
6720         (Descriptors::open): Use initialize_lock_ field
6721         * errors.h (class Errors): Add initialize_lock_ field.
6722         * errors.cc (Errors::Errors): Initialize new field.
6723         (Errors::initialize_lock): Use initialize_lock_ field.
6724         * powerpc.cc (class Target_selector_powerpc): Remove
6725         instantiated_target_ field.  In do_recognize call
6726         instantiate_target rather than do_instantiate_target.  In
6727         do_instantiate_target just allocate a new target.
6728         * sparc.cc (class Target_selector_sparc): Likewise.
6730         * freebsd.h: New file.
6731         * i386.cc: Include "freebsd.h".
6732         (Target_i386): Derive from Target_freebsd rather than
6733         Sized_target.
6734         (Target_selector_i386): Derive from Target_selector_freebsd rather
6735         than Target_selector.
6736         * x86_64.cc: Include "freebsd.h".
6737         (Target_x86_64): Derive from Target_freebsd rather than
6738         Sized_target.
6739         (Target_selector_x86_64): Derive from Target_selector_freebsd
6740         rather than Target_selector.
6741         * target.h (class Target): Add adjust_elf_header and
6742         do_adjust_elf_header.
6743         * output.cc (Output_file_header:: do_sized_write): Call target
6744         adjust_elf_header routine.
6745         * configure.tgt: Set targ_osabi.
6746         * configure.ac: Define GOLD_DEFAULT_OSABI.
6747         * parameters.cc (Parameters::default_target): Pass
6748         GOLD_DEFAULT_OSABI to select_target.
6749         * target-select.h (class Target_selector): Make instantiate_target
6750         protected rather than private.
6751         * Makefile.am (HFILES): Add freebsd.h.
6752         * configure, Makefile.in, config.in: Rebuild.
6754         * merge.cc (do_add_input_section): Correct pend value.  Change
6755         message about last entry not being null terminated from error to
6756         warning.
6758 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6760         * incremental.cc: New file.
6761         * Makefile.am (CCFILES): Add incremental.cc.
6762         * Makefile.in: Rebuild.
6764 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6766         * layout.cc (Layout::output_section_name): Preserve names
6767         of '.note.' sections.
6769 2009-03-19  Ian Lance Taylor  <iant@google.com>
6771         * descriptors.cc (Descriptors::open): Check that the options are
6772         valid before using them.
6774 2009-03-18  Ian Lance Taylor  <iant@google.com>
6776         * script-sections.h: Include <list>.
6777         (class Script_sections): Change Sections_elements from std::vector
6778         to std::list.  Typedef public Elements_iterator.  Add
6779         orphan_section_placement_, data_segment_align_start_, and
6780         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6781         field.
6782         * script-sections.cc (class Orphan_section_placement): New class.
6783         (class Sections_element): Add virtual functions is_relro and
6784         orphan_section_init.  Remove virtual function place_orphan_here.
6785         (class Output_section_definition): Add is_relro and
6786         orphan_section_init.  Remove place_orphan_here.
6787         (class Orphan_output_section): Likewise.
6788         (Script_sections::Script_sections): Update for field changes.
6789         (Script_sections::data_segment_align): Set saw_data_segment_align_
6790         and data_segment_align_start_, not data_segment_align_index.
6791         (Script_sections::data_segment_relro_end): Check
6792         saw_data_segment_align_.  Use data_segment_align_start_ rather
6793         than data_segment_align_index_.
6794         (Script_sections::place_orphan): Rewrite to use
6795         Orphan_section_placement.
6797 2009-03-17  Ian Lance Taylor  <iant@google.com>
6799         * archive.cc (Archive::add_symbols): Check for a version attached
6800         to the symbol name in the archive map.
6801         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6802         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6803         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6804         (ver_test_11.a): New target.
6805         * testsuite/Makefile.in: Rebuild.
6807         * configure.ac: Check for chsize and posix_fallocate.  Replace
6808         ftruncate.
6809         * ftruncate.c: New file, from gnulib.
6810         * output.cc (posix_fallocate): Define dummy version if not
6811         HAVE_POSIX_FALLOCATE.
6812         (Output_file::map): Call posix_fallocate rather than lseek and
6813         write.
6814         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6815         * configure, Makefile.in, config.in: Rebuild.
6817 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6819         * layout.h (Layout::create_note): Add section_name parameter.
6820         * layout.cc (Layout::create_note): Likewise.
6821         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6823 2009-03-17  Ian Lance Taylor  <iant@google.com>
6825         * descriptors.cc: Include "options.h".
6826         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6827         (Descriptors::open): Always use O_CLOEXEC when opening a new
6828         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6829         then set FD_CLOEXEC.
6831         * sparc.cc (class Target_sparc): Add has_got_section.
6832         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6833         make sure we have a GOT section.
6835         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6836         (Target_sparc::Scan::local): Likewise.
6837         (Target_sparc::Scan::global): Likewise.
6838         (Target_sparc::Relocate::relocate): Likewise.
6839         (Target_sparc::Relocate::relocate_tls): Likewise.
6841         * symtab.cc (Symbol_table::define_default_version): New function,
6842         broken out of add_from_object.
6843         (Symbol_table::add_from_object): Call define_default_version.
6844         (Symbol_table::define_special_symbol): Add resolve_oldsym
6845         parameter.  Change all callers.  If the version for a symbol comes
6846         from a version script, resolve it with the symbol with the same
6847         name with no version.  Also add the symbol without a version if
6848         appropriate.
6849         (do_define_in_output_data): If resolving with oldsym, don't delete
6850         sym.
6851         (do_define_in_output_segment): Likewise.
6852         (do_define_as_constant): Likewise.
6853         * symtab.h (class Symbol_table): Update declarations.
6855 2009-03-13  Ian Lance Taylor  <iant@google.com>
6857         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6858         (Read_symbols::requeue): New function.
6859         (Read_symbols::do_read_symbols): If make_elf_object fails because
6860         the target type is not configured, and the file was searched for,
6861         issue a warning and retry with the next directory.
6862         (Add_symbols::run): If the file has an incompatible format, and
6863         it was searched for, requeue the Read_symbols task.  On error,
6864         release the object.
6865         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6866         dirindex parameter to constructor.  Change all callers.  Declare
6867         incompatible_warning and requeue.
6868         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6869         input_argument_ and input_group_ fields.  Add them to
6870         constructor.  Change all callers.
6871         (class Read_script): Add dirindex_ field.  Add it to constructor.
6872         Change all callers.
6873         * archive.cc (Archive::setup): Remove input_objects parameter.
6874         Change all callers.
6875         (Archive::get_file_and_offset): Likewise.
6876         (Archive::read_all_symbols): Likewise.
6877         (Archive::read_symbols): Likewise.
6878         (Archive::get_elf_object_for_member): Remove input_objects
6879         parameter.  Add punconfigured parameter.  Change all callers.
6880         (Archive::add_symbols): Change return type to bool.  Check return
6881         value of include_member.
6882         (Archive::include_all_members): Likewise.
6883         (Archive::include_member): Change return type to bool.  Return
6884         false if first included object has incompatible target.  Set
6885         included_member_ field.
6886         (Add_archive_symbols::run): If add_symbols returns false, requeue
6887         Read_symbols task.
6888         * archive.h (class Archive): Add included_member_ field.
6889         Initialize it in constructor.  Add input_file and searched_for
6890         methods.  Update declarations.
6891         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6892         input_argument_ fields.  Add them to constructor.  Change all
6893         callers.
6894         * script.cc: Include "target-select.h".
6895         (class Parser_closure): Add skip_on_incompatible_target_ and
6896         found_incompatible_target_ fields.  Add
6897         skip_on_incompatible_target parameter to constructor.  Change all
6898         callers.  Add methods skip_on_incompatible_target,
6899         clear_skip_on_incompatible_target, found_incompatible_target, and
6900         set_found_incompatible_target.
6901         (read_input_script): Add dirindex parameter.  Change all callers.
6902         If parser finds an incompatible target, requeue Read_symbols
6903         task.
6904         (script_set_symbol): Clear skip_on_incompatible_target in
6905         closure.
6906         (script_add_assertion, script_parse_option): Likewise.
6907         (script_start_sections, script_add_phdr): Likewise.
6908         (script_check_output_format): New function.
6909         * script.h (read_input_script): Update declaration.
6910         * script-c.h (script_check_output_format): Declare.
6911         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6912         (ignore_cmd): Remove OUTPUT_FORMAT.
6913         * fileread.cc (Input_file::Input_file): Add explicit this.
6914         (Input_file::will_search_for): New function.
6915         (Input_file::open): Add pindex parameter.  Change all callers.
6916         * fileread.h (class Input_file): Add input_file_argument method.
6917         Declare will_search_for.  Update declarations.
6918         * object.cc (make_elf_object): Add punconfigured parameter.
6919         Change all callers.
6920         * object.h (class Object): Make input_file public.  Add
6921         searched_for method.
6922         (make_elf_object): Update declaration.
6923         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6924         restart search.
6925         * dirsearch.h (class Dirsearch): Update declaration.
6926         * options.h (class General_options): Add --warn-search-mismatch.
6927         * parameters.cc (Parameters::is_compatible_target): New function.
6928         * parameters.h (class Parameters): Declare is_compatible_target.
6929         * workqueue.cc (Workqueue::add_blocker): New function.
6930         * workqueue.h (class Workqueue): Declare add_blocker.
6932         * fileread.cc (Input_file::open): Remove options parameter.
6933         Change all callers.
6934         (Input_file::open_binary): Likewise.
6935         * script.cc (read_input_script): Likewise.
6936         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6937         options parameter from constructor.  Change all callers.
6938         (class Read_script): Likewise.
6939         * fileread.h (class Input_file): Update declarations.
6940         * script.h (read_input_script): Update declaration.
6942 2009-03-10  Nick Clifton  <nickc@redhat.com>
6944         * po/es.po: New Spanish translation.
6946 2009-03-06  Cary Coutant  <ccoutant@google.com>
6948         * options.cc (parse_short_option): Keep dash_z from registering itself.
6950 2009-03-03  Ian Lance Taylor  <iant@google.com>
6952         PR 9918
6953         * target-reloc.h (relocate_section): Pass output_section to
6954         relocate.
6955         * i386.cc (Target_i386::should_apply_static_reloc): Add
6956         output_section parameter.  Change all callers.
6957         (Target_i386::Relocate::relocate): Add output_section parameter.
6958         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6959         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6960         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6961         * testsuite/two_file_shared.sh: New script.
6962         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6963         (check_DATA): Add two_file_shared.dbg.
6964         (two_file_shared.dbg): New target.
6965         * testsuite/Makefile.in: Rebuild.
6967 2009-03-01  Ian Lance Taylor  <iant@google.com>
6969         * configure.ac: Check for byteswap.h.
6970         * configure: Rebuild.
6971         * config.in: Rebuild.
6973 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6975         * layout.cc (Layout::find_or_add_kept_section): New function.
6976         (Layout::add_comdat): Removed.
6977         * layout.h (struct Kept_section): Move out of class Layout.
6978         Remove trailing underscores from field names.  Add group_sections
6979         field.  Rename group_ field to is_group.  Change all uses.
6980         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6981         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6982         comdat_groups_ field.
6983         (Sized_relobj::include_section_group): Use
6984         find_or_add_kept_section and Kept_section::group_sections.
6985         (Sized_relobj::include_linkonce_section): Likewise.
6986         * object.cc (class Sized_relobj): Don't define Comdat_group or
6987         Comdat_group_table.  Remove find_comdat_group and
6988         add_comdat_group.  Remove comdat_groups_ field.
6989         * plugin.cc (include_comdat_group): Use
6990         Layout::find_or_add_kept_section.
6992 2009-02-28  Ian Lance Taylor  <iant@google.com>
6994         * README: --gc-sections and map files are now supported.  Document
6995         some build requirements.
6997         PR 6992
6998         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6999         relocatable link set the value of the section symbol to zero.
7000         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
7001         relocatable link don't include the section address in the local
7002         symbol value.
7004 2009-02-27  Ian Lance Taylor  <iant@google.com>
7006         PR 6811
7007         * options.h (class Search_directory): Add is_system_directory.
7008         (class General_options): Declare is_in_system_directory.
7009         * options.cc (get_relative_sysroot): Make static.
7010         (get_default_sysroot): Make static.
7011         (General_optoins::is_in_system_directory): New function.
7012         * fileread.cc (Input_file::is_in_system_directory): New function.
7013         * fileread.h (class Input_file): Declare is_in_system_directory.
7014         * object.h (class Object): Add is_in_system_directory.
7015         (class Input_objects): Remove system_library_directory_ field.
7016         * object.cc (Input_objects::add_object): Don't set
7017         system_library_directory_.
7018         (input_objects::found_in_system_library_directory): Remove.
7019         * symtab.cc (Symbol_table::write_globals): Remove input_objects
7020         parameter.  Change all callers.
7021         (Symbol_table::sized_write_globals): Likewise.
7022         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
7023         Call Object::is_in_system_directory.
7024         * symtab.h (class Symbol_table): Update declarations.
7026         PR 5990
7027         * descriptors.h (Open_descriptor): Add is_on_stack field.
7028         * descriptors.cc (Descriptors::open): If the descriptor is on the
7029         top of the stack, remove it.  Initialize is_on_stack field.
7030         (Descriptors::release): Only add pod to stack if it is not on the
7031         stack already.
7032         (Descriptors::close_some_descriptor): Clear stack_next and
7033         is_on_stack fields.
7035         PR 7091
7036         * output.cc (Output_section::find_starting_output_address): Rename
7037         from starting_output_address; add PADDR parameter; change return
7038         type.
7039         * output.h (class Output_section): Declare
7040         find_starting_output_address instead of starting_output_address.
7041         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
7042         section symbol for which we can't find a merge section.
7044         PR 9836
7045         * symtab.cc (Symbol_table::add_from_object): If the visibility is
7046         hidden or internal, force the symbol to be local.
7047         * resolve.cc (Symbol::override_visibility): Define.
7048         (Symbol::override_base): Use override_visibility.
7049         (Symbol_table::resolve): Likewise.
7050         (Symbol::override_base_with_special): Likewise.
7051         (Symbol_table::override_with_special): If the visibility is hidden
7052         or internal, force the symbol to be local.
7053         * symtab.h (class Symbol): Add set_visibility and
7054         override_visibility.
7055         * testsuite/ver_test_1.sh: New file.
7056         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
7057         (check_DATA): Add ver_test_1.syms.
7058         (ver_test_1.syms): New target.
7059         * testsuite/Makefile.in: Rebuild.
7061 2009-02-25  Cary Coutant  <ccoutant@google.com>
7063         * layout.cc (Layout::choose_output_section): Don't rename sections
7064         when using a linker script that has a SECTIONS clause.
7065         * Makefile.in: Regenerate.
7067         * testsuite/Makefile.am (script_test_5.sh): New test case.
7068         * testsuite/Makefile.in: Regenerate.
7069         * testsuite/script_test_5.cc: New file.
7070         * testsuite/script_test_5.sh: New file.
7071         * testsuite/script_test_5.t: New file.
7073 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
7075         * archive.cc (Archive::include_member): Update calls to add_symbols.
7076         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
7077         the Layout argument.
7078         * dynobj.h (do_add_symbols): Add the Layout argument.
7079         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
7080         Layout argument.
7081         * object.h (Object::add_symbols): Add the Layout argument.
7082         (Object::do_add_symbols): Add the Layout argument.
7083         (Sized_relobj::do_add_symbols): Add the Layout argument.
7084         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
7085         Unify the two versions.
7086         (Add_plugin_symbols): Remove.
7087         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
7088         (Sized_pluginobj::do_add_symbols): Unify the two versions.
7089         (Add_plugin_symbols): Remove.
7090         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
7091         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
7092         (Add_symbols::run): Make it work with Pulginobj.
7094 2009-02-06  Ian Lance Taylor  <iant@google.com>
7096         * object.cc (Sized_relobj::do_layout): Make info message start
7097         with lower case letter.
7099 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
7101         * binary.cc: Fix file comment.
7103         * options.h (enum Incremental_disposition): Define.
7104         (class General_options): Add new options: --incremental,
7105         --incremental_changed, --incremental_unchanged,
7106         --incremental_unknown.  Add incremental_disposition_ and
7107         implicit_incremental_ fields.
7108         (General_options::incremental_disposition): New function.
7109         (class Position_dependent_options): Add incremental_disposition
7110         option.
7111         (Position_dependent_options::copy_from_options): Set incremental
7112         dispositions.
7113         * options.cc (General_options::parse_incremental_changed): New
7114         function.
7115         (General_options::parse_incremental_unchanged): New function.
7116         (General_options::parse_incremental_unknown): New function.
7117         (General_options::General_options): Initialize new fields
7118         incremental_disposition_ and implicit_incremental_.
7119         (General_options::finalize): Check for uasge of --incremental-*
7120         without --incremental.
7122 2009-02-06  Chris Demetriou  <cgd@google.com>
7124         * gold.h (gold_undefined_symbol): Change to take only a Symbol
7125         pointer and to report location as the file name associated with
7126         the symbol.
7127         (gold_undefined_symbol_at_location): New function to replace the
7128         old gold_undefined_symbol functionality.
7129         * target-reloc.h (relocate_section): Update to use
7130         gold_undefined_symbol_at_location.
7131         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7132         Call gold_undefined_symbol function rather than gold_error.
7133         * errors.h (Errors::undefined_symbol): Take location as a
7134         string, rather than calculating it from a relocation.
7135         * errors.cc (Errors::fatal): Print "fatal error:" before the
7136         formatted message.
7137         (Errors::error, Errors::error_at_location): Print "error: "
7138         before the formatted message.
7139         (Errors::undefined_symbol): Take location as a string, rather
7140         than calculating it from a relocation.
7141         (gold_undefined_symbol_at_location): New function akin to
7142         old gold_undefined_symbol, calculates location from relocation.
7143         (gold_undefined_symbol): Change to take only a Symbol pointer
7144         and to report location as the file name associated with the symbol.
7145         * testsuite/debug_msg.sh: Update for changed error messages.
7146         * testsuite/undef_symbol.sh: Likewise.
7148 2009-02-04  Duncan Sands  <baldrick@free.fr>
7150         PR 9812
7151         * reduced_debug_output.h
7152         (Output_reduced_debug_abbrev_section::failed): Use format for
7153         gold_warning.
7154         (Output_reduced_debug_info_section::faild): Likewise.
7156 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
7158         * script.cc (Lazy_demangler): New class.
7159         (Version_script_info::get_symbol_version_helper): Demangle a
7160         symbol only once.
7162 2009-01-29  Cary Coutant  <ccoutant@google.com>
7164         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
7165         to __tls_get_addr.
7166         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7168 2009-01-28  Ian Lance Taylor  <iant@google.com>
7170         * version.cc (version_string): Bump to 1.9.
7172         * gold.h: Include <cstring> and <stdint.h>.
7173         * version.cc: Include <cstdio>.
7174         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
7175         warning.
7176         * reduced_debug_output.cc (insert_into_vector): Rename from
7177         Insert_into_vector; change all callers.  Use Swap_unaligned to
7178         avoid aliasing issue; remove union since it is unnecessary.
7180 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
7182         * Makefile.am (CCFILES): Add gc.cc.
7183         (HFILES): Add gc.h.
7184         * Makefile.in: Regenerate.
7185         * gold.cc (Gc_runner): New class.
7186         (queue_initial_tasks): Call garbage collection related tasks
7187         when corresponding options are invoked.
7188         (queue_middle_gc_tasks): New function.
7189         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7190         processed early before laying out sections during garbage collection.
7191         * gold.h (queue_middle_gc_tasks): New function.
7192         (is_prefix_of): Move from "layout.cc".
7193         * i386.cc (Target_i386::gc_process_relocs): New function.
7194         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7195         * main.cc (main): Create object of class "Garbage_collection".
7196         * object.cc (Relobj::copy_symbols_data): New function.
7197         (Relobj::is_section_name_included): New function.
7198         (Sized_relobj::do_layout): Allow this function to be called twice
7199         during garbage collection and defer layout of section during the
7200         first call.
7201         * object.h (Relobj::get_symbols_data): New function.
7202         (Relobj::is_section_name_included): New function.
7203         (Relobj::copy_symbols_data): New function.
7204         (Relobj::set_symbols_data): New function.
7205         (Relobj::get_relocs_data): New function.
7206         (Relobj::set_relocs_data): New function.
7207         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7208         (Relobj::gc_process_relocs): New function.
7209         (Relobj::do_gc_process_relocs): New pure virtual function.
7210         (Relobj::sd_): New data member.
7211         (Sized_relobj::is_output_section_offset_invalid): New function.
7212         (Sized_relobj::do_gc_process_relocs): New function.
7213         * options.h (General_options::gc_sections): Modify to not be a no-op.
7214         (General_options::print_gc_sections): New option.
7215         * plugin.cc (Plugin_finish::run): Remove function call to
7216         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7217         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7218         * reloc.cc (Read_relocs::run): Add task to process relocs and
7219         determine unreferenced sections when doing garbage collection.
7220         (Gc_process_relocs): New class.
7221         (Sized_relobj::do_gc_process_relocs): New function.
7222         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7223         sections that are garbage collected.
7224         * reloc.h (Gc_process_relocs): New class.
7225         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7226         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7227         symbols whose corresponding sections are garbage collected.
7228         (Symbol_table::Symbol_table): Add new parameter for the garbage
7229         collection object.
7230         (Symbol_table::gc_mark_undef_symbols): New function.
7231         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7232         (Symbol_table::gc_mark_dyn_syms): New function.
7233         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7234         as garbage.
7235         (Symbol_table::add_from_object): Likewise.
7236         (Symbol_table::add_from_relobj): When building shared objects, do not
7237         treat externally visible symbols as garbage.
7238         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7239         table information for static and relocatable links.
7240         * symtab.h (Symbol_table::set_gc): New function.
7241         (Symbol_table::gc): New function.
7242         (Symbol_table::gc_mark_undef_symbols): New function.
7243         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7244         (Symbol_table::gc_mark_dyn_syms): New function.
7245         (Symbol_table::gc_): New data member.
7246         * target.h (Sized_target::gc_process_relocs): New pure virtual
7247         function.
7248         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7249         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7251 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7253         * options.h (General_options::gc_sections): Define as a no-op for now.
7254         (General_options::no_keep_memory): Ditto.
7255         (General_options::Bshareable): Define.
7256         * options.cc (General_options::finalize): Honor -Bshareable.
7258 2009-01-20  Andreas Schwab  <schwab@suse.de>
7260         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7261         read the value in the contents, since we don't use it.  Use the
7262         template endianness when writing.
7263         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7265 2009-01-19  Andreas Schwab  <schwab@suse.de>
7267         * configure.tgt (powerpc64-*): Fix targ_obj.
7269 2009-01-15  Ian Lance Taylor  <iant@google.com>
7271         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7272         local symbols when stripping all symbols.
7274 2009-01-14  Cary Coutant  <ccoutant@google.com>
7276         * output.cc (Output_reloc): Add explicit instantiations.
7278 2009-01-14  Cary Coutant  <ccoutant@google.com>
7280         * archive.cc (Archive::get_elf_object_for_member): Remove call
7281         to File_read::claim_for_plugin.
7282         * descriptors.cc (Descriptors::open): Remove reference to
7283         is_claimed.
7284         (Descriptors::claim_for_plugin): Remove.
7285         * descriptors.h (Descriptors::claim_for_plugin): Remove.
7286         (Descriptors::is_claimed): Remove.
7287         (claim_descriptor_for_plugin): Remove.
7288         * fileread.cc (File_read::claim_for_plugin): Remove.
7289         * fileread.h (File_read::claim_for_plugin): Remove.
7290         (File_read::descriptor): Reopen descriptor if necessary.
7291         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
7292         (Plugin_manager::all_symbols_read): Add task parameter. Change
7293         all callers.
7294         (Plugin_manager::get_input_file): New function.
7295         (Plugin_manager::release_input_file): New function.
7296         (Pluginobj::Pluginobj): Add filesize parameter and initialize
7297         corresponding data member.
7298         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
7299         and pass to base constructor. Change all callers.
7300         (get_input_file, release_input_file): New functions.
7301         (make_sized_plugin_object): Add filesize parameter. Change all callers.
7302         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
7303         (Plugin_manager::all_symbols_read): Add task parameter.
7304         (Plugin_manager::get_input_file): New function.
7305         (Plugin_manager::release_input_file): New function.
7306         (Plugin_manager::task_): New data member.
7307         (Pluginobj::Pluginobj): Add filesize parameter.
7308         (Pluginobj::filename): New function.
7309         (Pluginobj::descriptor): New function.
7310         (Pluginobj::filesize): New function.
7311         (Pluginobj::filesize_): New data member.
7312         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
7313         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
7314         File_read::claim_for_plugin; use Object::unlock to unlock the file.
7316         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
7317         with archive libraries.
7318         * testsuite/Makefile.in: Regenerate.
7319         * testsuite/plugin_test.c (struct sym_info): New type.
7320         (get_input_file, release_input_file): New static variables.
7321         (onload): Capture new transfer vector entries.
7322         (claim_file_hook): Stop reading at end of file according to filesize.
7323         Factor out parsing of readelf output into separate function.
7324         (all_symbols_read_hook): Exercise get_input_file and release_input_file
7325         APIs and get the source file name from the symbol table.  Convert
7326         source file name to corresponding object file name.  Print info
7327         message when adding new input files.
7328         (parse_readelf_line): New function.
7329         * testsuite/plugin_test_1.sh: Add checks for new info messages.
7330         * testsuite/plugin_test_2.sh: Likewise.
7331         * testsuite/plugin_test_3.sh: Likewise.
7332         * testsuite/plugin_test_4.sh: New test case.
7334 2009-01-07  Ian Lance Taylor  <iant@google.com>
7336         * version.cc (version_string): Bump to 1.8.
7338 2008-12-23  Cary Coutant  <ccoutant@google.com>
7340         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
7341         * plugin.cc (Plugin_manager::finish): Rename as
7342         layout_deferred_objects.  Move cleanup to separate function.
7343         (Plugin_manager::cleanup): New function.
7344         (Plugin_finish::run): Call layout_deferred_objects and cleanup
7345         separately.
7346         * plugin.h (Plugin_manager::finish): Rename as
7347         layout_deferred_objects.
7348         (Plugin_manager::cleanup): New function.
7349         (Plugin_manager::cleanup_done): New field.
7351 2008-12-23  Cary Coutant  <ccoutant@google.com>
7353         * plugin.cc (is_visible_from_outside): New function.
7354         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
7355         so we don't return "IR only" status for exported symbols or -r links.
7357         * testsuite/Makefile.am (plugin_test_3): New test case.
7358         * testsuite/Makefile.in: Regenerate.
7359         * testsuite/plugin_test_3.sh: New file.
7361 2008-12-22  Cary Coutant  <ccoutant@google.com>
7363         * object.cc (Sized_relobj::layout_section): New function.
7364         (Sized_relobj::do_layout): Defer layout of input sections until after
7365         plugin has provided replacement files.
7366         (Sized_relobj::do_layout_deferred_sections): New function.
7367         * object.h (Relobj::set_section_offset): Remove virtual keyword.
7368         (Relobj::layout_deferred_sections): New function.
7369         (Relobj::do_layout_deferred_sections): New function.
7370         (Sized_relobj::do_layout_deferred_sections): New function.
7371         (Sized_relobj::layout_section): New function.
7372         (Sized_relobj::Deferred_layout): New structure.
7373         (Sized_relobj::deferred_layout_): New field.
7374         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
7375         Change all callers.  Layout deferred sections.
7376         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
7377         references.
7378         (Plugin_hook::run): Move code from do_plugin_hook inline.
7379         (Plugin_hook::do_plugin_hook): Remove.
7380         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
7381         (Plugin_manager::finish): Renamed, was cleanup.
7382         (Plugin_manager::should_defer_layout): New function.
7383         (Plugin_manager::add_deferred_layout_object): New function.
7384         (Plugin_manager::Deferred_layout_list): New type.
7385         (Plugin_manager::deferred_layout_objects_): New field.
7386         (Plugin_hook::do_plugin_hook): Remove.
7388 2008-12-17  Ian Lance Taylor  <iant@google.com>
7390         * options.h (class General_options): Add --no case for
7391         --export-dynamic.
7393 2008-12-16  Cary Coutant  <ccoutant@google.com>
7395         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
7396         vector.
7397         (Plugin_manager::claim_file): Create plugin object even if
7398         plugin did not call the add_symbols callback.
7399         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
7400         asking for more symbols than were added.
7401         * testsuite/Makefile.am (plugin_test_1): Add test case with
7402         no global symbols.
7403         (empty.syms): New target.
7404         * testsuite/Makefile.in: Regenerate.
7405         * testsuite/plugin_test.c (claim_file_hook): Add new debug
7406         message. Don't call add_symbols if no globals.
7407         (all_symbols_read_hook): Don't provide replacement for empty
7408         claimed file.
7410 2008-12-12  Ian Lance Taylor  <iant@google.com>
7412         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
7413         r_type == 0 for a local symbol with r_sym == 0.
7414         (scan_relocatable_relocs): Pass r_sym to
7415         local_non_section_strategy.
7416         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
7417         r_sym parameter.
7419         * configure.ac: Update test for TLS descriptors: they are
7420         supported as of glibc 2.9.
7421         * configure: Rebuild.
7423 2008-12-11  Ian Lance Taylor  <iant@google.com>
7425         PR 7091
7426         * target-reloc.h (Default_scan_relocatable_relocs): For each
7427         function, map r_type == 0 to RELOC_DISCARD.
7429 2008-12-10  Cary Coutant  <ccoutant@google.com>
7431         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
7432         object to override a kept COMDAT group from a plugin object.
7434 2008-12-09  Ian Lance Taylor  <iant@google.com>
7436         PR 7088
7437         * yyscript.y (file_cmd): Handle INPUT.
7439         * testsuite/initpri1.c: Change all declarations to be full
7440         prototypes by adding void, to avoid compiler warnings.
7442 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7444         * options.cc (General_options::parse_plugin_opt): New.
7445         (General_options::add_plugin): The argument now is just the filename.
7446         (General_options::add_plugin_option): New.
7447         * options.h (plugin_opt): New.
7448         (add_plugin): Change argument name.
7449         (add_plugin_option): New.
7450         * plugin.cc (Plugin::load): Don't parse the plugin option.
7451         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7452         (Plugin::add_option): New.
7453         (Plugin::args_): Change type.
7454         (Plugin::filename_): New.
7455         (Plugin_manager::add_plugin_option): New.
7456         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7457         * testsuite/Makefile.in: Regenerate.
7459 2008-12-05  Cary Coutant  <ccoutant@google.com>
7461         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7462         Handle --strip-lto-sections option.
7463         * options.h (strip_lto_sections): New option.
7465 2008-12-01  Cary Coutant  <ccoutant@google.com>
7467         * plugin.cc (ld_plugin_message): Change format parameter to const.
7468         Fix mismatch between new[] and delete.
7470 2008-11-14  Cary Coutant  <ccoutant@google.com>
7472         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7473         instead of -1U.
7475 2008-11-05  Craig Silverstein  <csilvers@google.com>
7477         * options.cc (General_options::parse_dynamic_list): New function.
7478         * options.h (General_options): New flags dynamic_list,
7479         dynamic_list_data, dynamic_list_cpp_new, and
7480         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7481         (General_options::in_dynamic_list): New function.
7482         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7483         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7484         (Lex::can_continue_name): Likewise.
7485         (yylex): Likewise.
7486         (read_script_file): New parameter script_options.
7487         (read_dynamic_list): New function.
7488         (Script_options::define_dynamic_list): New function.
7489         (dynamic_list_keyword_parsecodes): New variable.
7490         (dynamic_list_keywords): New variable.
7491         * script.h (Script_options::define_dynamic_list): New function
7492         prototype.
7493         (read_dynamic_list): New function prototype.
7494         * symtab.cc (strprefix): New macro.
7495         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7496         dynamic_list_data, dynamic_list_cpp_new, and
7497         dynamic_list_cpp_typeinfo.
7498         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7499         (dynamic_list_expr): New rule.
7500         (dynamic_list_nodes): Likewise.
7501         (dynamic_list_node): Likewise.
7502         * testsuite/Makefile.am (dynamic_list): New test.
7503         * testsuite/Makefile.in: Regenerated.
7504         * testsuite/dynamic_list.t: New file.
7505         * testsuite/dynamic_list.sh: New file.
7507 2008-11-05  Craig Silverstein  <csilvers@google.com>
7509         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7510         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7511         (t11_last): Likewise.
7512         * testsuite/ver_test_6.c (main): Likewise.
7514 2008-10-07  Cary Coutant  <ccoutant@google.com>
7516         * options.c (General_options::finalize): Add check for -static and
7517         -shared.
7518         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7519         is not empty.
7521 2008-10-02  Cary Coutant  <ccoutant@google.com>
7523         * plugin.cc (make_sized_plugin_object): Fix conditional
7524         compilation to work when not all targets are enabled.
7526 2008-09-29  Cary Coutant  <ccoutant@google.com>
7528         * archive.cc (Archive::get_file_and_offset): Use filename instead
7529         of name to get library path.
7530         (Archive::include_member): Unlock external member of a thin archive.
7532         * testsuite/Makefile.am (TEST_AR): New variable.
7533         (thin_archive_test_1): New test.
7534         (thin_archive_test_2): New test.
7535         * testsuite/Makefile.in: Regenerate.
7536         * testsuite/thin_archive_main.cc: New file.
7537         * testsuite/thin_archive_test_1.cc: New file.
7538         * testsuite/thin_archive_test_2.cc: New file.
7539         * testsuite/thin_archive_test_3.cc: New file.
7540         * testsuite/thin_archive_test_4.cc: New file.
7542 2008-09-29  Cary Coutant  <ccoutant@google.com>
7544         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7545         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7546         instead of -1U.
7547         (Sized_relobj::do_finalize_local_symbols): Likewise.
7548         (Sized_relobj::map_to_kept_section): Likewise.
7549         * object.h (Sized_relobj::invalid_address): New constant.
7550         (Sized_relobj::do_output_section_offset): Check for invalid_address
7551         and return -1ULL.
7552         * output.cc (Output_reloc::local_section_offset): Use constant
7553         invalid_address instead of -1U.
7554         (Output_reloc::get_address): Likewise.
7555         (Output_section::output_address): Change -1U to -1ULL.
7556         * output.h (Output_reloc::invalid_address): New constant.
7557         * reloc.cc (Sized_relobj::write_sections): Use constant
7558         invalid_address instead of -1U.
7559         (Sized_relobj::relocate_sections): Likewise.
7560         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7561         values for merge sections.
7562         * target-reloc.h (relocate_for_relocatable): Use constant
7563         invalid_address instead of -1U.
7565 2008-09-19  Cary Coutant  <ccoutant@google.com>
7567         Add plugin functionality for link-time optimization (LTO).
7568         * configure.ac (plugins): Add --enable-plugins option.
7569         * configure: Regenerate.
7570         * config.in: Regenerate.
7571         * Makefile.am (LIBDL): New variable.
7572         (CCFILES): Add plugin.cc.
7573         (HFILES): Add plugin.h.
7574         (ldadd_var): Add LIBDL.
7575         * Makefile.in: Regenerate.
7577         * archive.cc: Include "plugin.h".
7578         (Archive::setup): Don't preread archive symbols when using a plugin.
7579         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7580         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7581         files.
7582         (Archive::include_member): Add symbols from plugin objects.
7583         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7584         * descriptors.cc (Descriptors::open): Check for file descriptors
7585         abandoned by plugins.
7586         (Descriptors::claim_for_plugin): New function.
7587         * descriptors.h (Descriptors::claim_for_plugin): New function.
7588         (Open_descriptor::is_claimed): New field.
7589         (claim_descriptor_for_plugin): New function.
7590         * fileread.cc (File_read::claim_for_plugin): New function.
7591         * fileread.h (File_read::claim_for_plugin): New function.
7592         (File_read::descriptor): New function.
7593         * gold.cc: Include "plugin.h".
7594         (queue_initial_tasks): Add task to call plugin hooks for generating
7595         new object files.
7596         * main.cc: Include "plugin.h".
7597         (main): Load plugin libraries.
7598         * object.h (Pluginobj): Declare.
7599         (Object::pluginobj): New function.
7600         (Object::do_pluginobj): New function.
7601         (Object::set_target): New function.
7602         * options.cc: Include "plugin.h".
7603         (General_options::parse_plugin): New function.
7604         (General_options::General_options): Initialize plugins_ field.
7605         (General_options::add_plugin): New function.
7606         * options.h (Plugin_manager): Declare.
7607         (General_options): Add --plugin option.
7608         (General_options::has_plugins): New function.
7609         (General_options::plugins): New function.
7610         (General_options::add_plugin): New function.
7611         (General_options::plugins_): New field.
7612         * plugin.cc: New file.
7613         * plugin.h: New file.
7614         * readsyms.cc: Include "plugin.h".
7615         (Read_symbols::do_read_symbols): Check for archive before checking
7616         for ELF file.  Call plugin hooks to claim files.
7617         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7618         from a real object file; force override when processing replacement
7619         files.
7620         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7621         (Symbol::init_base_object): Likewise.
7622         (Symbol::init_base_output_data): Likewise.
7623         (Symbol::init_base_output_segment): Likewise.
7624         (Symbol::init_base_constant): Likewise.
7625         (Symbol::init_base_undefined): Likewise.
7626         (Symbol::output_section): Assert that object is not a plugin.
7627         (Symbol_table::add_from_pluginobj): New function.
7628         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7629         undefined.
7630         (Symbol_table::sized_write_globals): Likewise.
7631         (Symbol_table::add_from_pluginobj): Instantiate template.
7632         * symtab.h (Sized_pluginobj): Declare.
7633         (Symbol::in_real_elf): New function.
7634         (Symbol::set_in_real_elf): New function.
7635         (Symbol::in_real_elf_): New field.
7636         (Symbol_table::add_from_pluginobj): New function.
7638         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7639         (LIBDL): New variable.
7640         (LDADD): Add LIBDL.
7641         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7642         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7643         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7644         (MOSTLYCLEANFILES): Likewise.
7645         * testsuite/Makefile.in: Regenerate.
7646         * testsuite/plugin_test.c: New file.
7647         * testsuite/plugin_test_1.sh: New file.
7648         * testsuite/plugin_test_2.sh: New file.
7650 2008-09-16  Ian Lance Taylor  <iant@google.com>
7652         * target-reloc.h (relocate_section): Check whether a symbol is
7653         defined by the ABI before reporting an undefined symbol error.
7654         * target.h (Target::is_defined_by_abi): Make parameter const.
7655         (Target::do_is_defined_by_abi): Likewise.
7656         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7657         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7658         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7659         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7660         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7661         * testsuite/Makefile.in: Rebuild.
7663         * fileread.cc (make_view): Add casts to avoid warning.
7665 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7667         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7668         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7670 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7672         * options.h (General_options::output_is_executable): New.
7673         (General_options::output_is_pie): New.
7674         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7675         for shared libraries.
7676         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7678 2008-09-11  Chris Demetriou  <cgd@google.com>
7680         * options.h (origin): New -z option.
7681         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7682         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7683         in DT_FLAGS_1.
7685 2008-09-05  Cary Coutant  <ccoutant@google.com>
7687         * fileread.cc (File_read::make_view): Add check for attempt to map
7688         beyond end of file.
7690 2008-09-05  Cary Coutant  <ccoutant@google.com>
7692         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7693         explicit instantiations.
7695 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7697         PR gold/6858
7698         * options.cc (General_options::finalize): Allow undefined symbols
7699         in shlibs if linking -shared.
7701         PR gold/6859
7702         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7703         symbols as not needing a dynsym entry.
7705 2008-08-20  Craig Silverstein  <csilvers@google.com>
7707         * fileread.cc (File_read::open): Do not lock the file unless it
7708         was successfully opened.
7710 2008-08-14  Cary Coutant  <ccoutant@google.com>
7712         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7713         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7714         * testsuite/tls_test.cc (struct int128): 128-bit struct
7715         for testing TLS relocs with non-zero addend.
7716         (v12): New TLS variable.
7717         (t12): New test.
7718         (t_last): Add check for v12.
7719         * testsuite/tls_test.h (t12): New function.
7720         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7722 2008-08-13  Ian Lance Taylor  <iant@google.com>
7724         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7725         set tls_segment_ or relro_segment_.
7726         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7727         when appropriate.
7728         * output.h (Output_section::clear_is_relro): New function.
7729         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7730         sections specially even when output_data_ is empty.
7731         (Output_segment::maximum_alignment): When first section is relro,
7732         only force alignment for PT_LOAD segments.
7733         * script.cc (script_data_segment_align): New function.
7734         (script_data_segment_relro_end): New function.
7735         * script-c.h (script_data_segment_align): Declare.
7736         (script_data_segment_relro_end): Declare.
7737         * script-sections.h (class Script_sections): Declare
7738         data_segment_align and data_segment_relro_end.  Add fields
7739         segment_align_index_ and saw_relro_end_.
7740         * script-sections.cc (class Sections_element): Add set_is_relro
7741         virtual function.  Add new bool* parameter to place_orphan_here.
7742         Add get_output_section virtual function.
7743         (class Output_section_definition): Add set_is_relro.  Add new
7744         bool* parameter to place_orphan_here.  Add get_output_section.
7745         Add is_relro_ field.
7746         (Output_section_definition::Output_section_definition): Initialize
7747         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7748         and is_relro_ fields.
7749         (Output_section_definition::place_orphan_here): Add is_relro
7750         parameter.
7751         (Output_section_definition::set_section_addresses): Set relro for
7752         output section.
7753         (Output_section_definition::alternate_constraint): Likewise.
7754         (class Orphan_output_section): Add new bool* parameter to
7755         place_orphan_here.  Add get_output_section.
7756         (Orphan_output_section::place_orphan_here): Add is_relro
7757         parameter.
7758         (Script_sections::Script_sections): Initialize
7759         data_segment_align_index_ and saw_relro_end_.
7760         (Script_sections::data_segment_align): New function.
7761         (Script_sections::data_segment_relro_end): New function.
7762         (Script_sections::place_orphan): Set or clear is_relro.
7763         (Script_sections::set_section_addresses): Force alignment of first
7764         TLS section.
7765         * yyscript.y (exp): Call script_data_segment_align and
7766         script_data_segment_relro_end.
7767         * testsuite/relro_script_test.t: New file.
7768         * testsuite/relro_test.cc (using_script): Declare.
7769         (t1, t2): Test using_script.
7770         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7771         (relro_script_test_SOURCES): Define.
7772         (relro_script_test_DEPENDENCIES): Define.
7773         (relro_script_test_LDFLAGS): Define.
7774         (relro_script_test_LDADD): Define.
7775         (relro_script_test.so): New target.
7776         * testsuite/Makefile.in: Rebuild.
7778 2008-08-06  Cary Coutant <ccoutant@google.com>
7780         * archive.cc (Archive::total_archives, Archive::total_members)
7781         (Archive::total_members_loaded): New variables.
7782         (Archive::setup): Add parameter.  Add option to preread
7783         archive symbols.
7784         (Archive::read_armap): Add counter.
7785         (Archive::get_file_and_offset): New function.
7786         (Archive::get_elf_object_for_member): New function.
7787         (Archive::read_all_symbols): New function.
7788         (Archive::read_symbols): New function.
7789         (Archive::add_symbols): Add counters.
7790         (Archive::include_all_members): Use armap to find members if it's
7791         already built.
7792         (Archive::include_member): Skip reading symbols if already read.
7793         Factored code into Archive::get_file_and_offset and
7794         Archive::get_elf_object_for_member.  Changed call to
7795         Mapfile::report_include_archive_member.
7796         (Archive::print_stats): New function.
7797         * archive.h: Declare Object and Read_symbols_data classes.
7798         (Archive::Archive): Add initializers for new members.
7799         (Archive::setup): Add parameter.
7800         (Archive::print_stats): New function.
7801         (Archive::total_archives, Archive::total_members)
7802         (Archive::total_members_loaded): New variables.
7803         (Archive::get_file_and_offset): New function.
7804         (Archive::get_elf_object_for_member): New function.
7805         (Archive::read_all_symbols): New function.
7806         (Archive::read_symbols): New function.
7807         (Archive::Archive_member): New class.
7808         (Archive::members_): New member.
7809         (Archive::num_members_): New member.
7810         * main.cc: Include archive.h.
7811         (main): Call Archive::print_stats.
7812         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7813         archive parameter; member_name is now the fully-decorated name.
7814         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7815         * options.h: (General_options): Add --preread-archive-symbols option.
7816         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7817         Archive::setup.
7819 2008-08-04  Ian Lance Taylor  <iant@google.com>
7821         * symtab.h (Symbol::use_plt_offset): New function.
7822         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7823         * powerpc.cc (Relocate::relocate): Likewise.
7824         * sparc.cc (Relocate::relocate): Likewise.
7825         * x86_64.cc (Relocate::relocate): Likewise.
7826         * testsuite/weak_plt.sh: New test.
7827         * testsuite/weak_plt_main.cc: New test.
7828         * testsuite/weak_plt_shared.cc: New test.
7829         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7830         (check_PROGRAMS): Add weak_plt.
7831         (check_DATA): Add weak_plt_shared.so.
7832         (weak_plt_main_pic.o, weak_plt): New targets.
7833         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7834         * testsuite/Makefile.in: Rebuild.
7836         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7837         gcctestdir/ld.
7838         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7839         * testsuite/Makefile.in: Rebuild.
7841 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7843         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7844         * Makefile.in: Regenerate.
7845         * po/POTFILES.in: Regenerate.
7847 2008-07-29  Ian Lance Taylor  <iant@google.com>
7849         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7850         symbols before other symbols.
7851         * testsuite/script_test_2.cc (test_addr): Declare.
7852         (test_addr_alias): Declare.
7853         (main): Check that test_addr and test_addr_alias have the right
7854         values.
7855         * testsuite/script_test_2.t: Define test_addr_alias and
7856         test_addr.
7858 2008-07-24  Ian Lance Taylor  <iant@google.com>
7860         PR 5990
7861         * descriptors.cc: New file.
7862         * descriptors.h: New file.
7863         * gold-threads.h (class Hold_optional_lock): New class.
7864         * fileread.cc: Include "descriptors.h".
7865         (File_read::~File_read): Release descriptor rather than closing
7866         it.
7867         (File_read::open) [file]: Call open_descriptor rather than open.
7868         Set is_descriptor_opened_.
7869         (File_read::open) [memory]: Assert that descriptor is not open.
7870         (File_read::reopen_descriptor): New function.
7871         (File_read::release): Release descriptor.
7872         (File_read::do_read): Make non-const.  Reopen descriptor.
7873         (File_read::read): Make non-const.
7874         (File_read::make_view): Reopen descriptor.
7875         (File_read::do_readv): Likewise.
7876         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7877         Update declarations.
7878         * layout.cc: Include "descriptors.h".
7879         (Layout::create_build_id): Use open_descriptor rather than open.
7880         * output.cc: Include "descriptors.h".
7881         (Output_file::open): Use open_descriptor rather than open.
7882         * archive.cc (Archive::const_iterator): Change Archive to be
7883         non-const.
7884         (Archive::begin, Archive::end): Make non-const.
7885         (Archive::count_members): Likewise.
7886         * archive.h (class Archive): Update declarations.
7887         * object.h (Object::read): Make non-const.
7888         * Makefile.am (CCFILES): Add descriptors.cc.
7889         (HFILES): Add descriptors.h.
7890         * Makefile.in: Rebuild.
7892         PR 6716
7893         * gold.h: Always include <clocale>.  Add Solaris workarounds
7894         following code in binutils/sysdep.h.
7896         PR 6048
7897         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7898         this->eh_frame_hdr_ is NULL before using it.
7900         * dynobj.cc (Versions::Versions): Update comment.
7902         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7903         the base version name.
7905         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7906         array size plus one.
7907         (Stringpool_template::set_string_offsets): Subtract one from key
7908         before using it as an array index.
7909         (Stringpool_template::get_offset_with_length): Likewise.
7910         (Stringpool_template::write_to_buffer): Likewise.
7911         * stringpool.h (Stringpool_template::get_offset_from_key):
7912         Likewise.
7914 2008-07-23  Ian Lance Taylor  <iant@google.com>
7916         PR 6658
7917         * object.h (Merged_symbol_value::value): Do our best to handle a
7918         negative addend.
7920         PR 6647
7921         * script.cc (Version_script_info::get_versions): Don't add empty
7922         version tag to return value.
7923         (Version_script_info::get_symbol_version_helper): Change return
7924         type to bool.  Add pversion parameter.  Change all callers.
7925         (script_register_vers_node): Don't require a non-NULL tag.
7926         * script.h (class Version_script_info): Update declarations.
7927         (Version_script_info::get_symbol_version): Change return type to
7928         bool.  Add version parameter.  Change all callers.
7929         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7930         handling.  Handle an empty version from a version script.
7931         (Symbol_table::define_special_symbol): Likewise.
7932         * testsuite/ver_test_10.script: New file.
7933         * testsuite/ver_test_10.sh: New file.
7934         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7935         (check_DATA): Add ver_test_10.syms.
7936         (ver_test_10.syms, ver_test_10.so): New target.
7937         * testsuite/Makefile.in: Rebuild.
7939 2008-07-23  Simon Baldwin  <simonb@google.com>
7941         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7942         to zero for undefined symbols from dynamic libraries.
7944 2008-07-23  Ian Lance Taylor  <iant@google.com>
7946         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7947         Change all callers.
7948         * symtab.h (class Symbol_table): Update declaration.
7949         * testsuite/ver_test_9.cc: New file.
7950         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7951         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7952         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7953         (ver_test_9.so, ver_test_9.o): New targets.
7954         * testsuite/Makefile.in: Rebuild.
7956 2008-07-22  Ian Lance Taylor  <iant@google.com>
7958         * options.h (class General_options): Define --check-sections.
7959         * layout.cc (Layout::set_segment_offsets): Handle
7960         --check-sections.
7962         * options.h (class General_options): Define -n/--nmagic and
7963         -N/--omagic.
7964         * options.cc (General_options::finalize): For -n/--nmagic or
7965         -N/--omagic, set -static.
7966         * layout.cc (Layout::attach_allocated_section_to_segment): If
7967         -N/--omagic, don't put read-only and read-write sections in
7968         different segments.
7969         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7970         finding a read-only segment.
7971         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7972         don't set the minimum segment alignment to the common page size,
7973         and don't set the file offset to the address modulo the page size.
7974         * script-sections.cc (Script_sections::create_segments): If
7975         -n/--omagic, don't put read-only and read-write sections in
7976         different segments.
7978         * cref.cc: New file.
7979         * cref.h: New file.
7980         * options.h (class General_options): Add --print-symbol-counts.
7981         * main.cc (main): Issue defined symbol report if requested.
7982         * archive.cc (Archive::interpret_header): Make into a const member
7983         function.
7984         (Archive::add_symbols): Call Input_objects::archive_start and
7985         archive_stop.
7986         (Archive::const_iterator): Define new class.
7987         (Archive::begin, Archive::end): New functions.
7988         (Archive::include_all_members): Rewrite to use iterator.
7989         (Archive::count_members): New function.
7990         * archive.h (class Archive): Update declarations.
7991         (Archive::filename): New function.
7992         * object.cc: Include "cref.h".
7993         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7994         (Sized_relobj::do_get_global_symbol_counts): New function.
7995         (Input_objects::add_object): Add object to cross-referencer.
7996         (Input_objects::archive_start): New function.
7997         (Input_objects::archive_stop): New function.
7998         (Input_objects::print_symbol_counts): New function.
7999         * object.h: Declare Cref and Archive.
8000         (Object::get_global_symbol_counts): New function.
8001         (Object::do_get_global_symbol_counts): New pure virtual function.
8002         (class Sized_relobj): Add defined_count_ field.  Update
8003         declarations.
8004         (class Input_objects): Add cref_ field.  Update constructor.
8005         Update declarations.
8006         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
8007         defined_count_.
8008         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
8009         symbol counts.
8010         (Sized_dynobj::do_get_global_symbol_counts): New function.
8011         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
8012         defined_count_.  Update declarations.  Define Symbols typedef.
8013         * symtab.cc (Symbol_table::add_from_relobj): Add defined
8014         parameter.  Change all callers.
8015         (Symbol_table::add_from_dynobj): Add sympointers and defined
8016         parameters.  Change all callers.
8017         * symtab.h (class Symbol_table): Update declarations.
8018         * Makefile.am (CCFILES): Add cref.cc.
8019         (HFILES): Add cref.h.
8020         * Makefile.in: Rebuild.
8022 2008-07-22  Simon Baldwin  <simonb@google.com>
8024         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
8025         to zero when writing undefined symbols.
8027 2008-07-22  Ian Lance Taylor  <iant@google.com>
8029         * output.cc (Output_section::add_input_section): Don't try to
8030         merge empty merge sections.
8032 2008-07-21  Craig Silverstein  <csilvers@google.com>
8034         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8035         Include symbol version in error message.
8037 2008-07-20  Chris Demetriou  <cgd@google.com>
8039         * configure.ac (gold_cv_c_random_seed): New configured variable.
8040         (RANDOM_SEED_CFLAGS): New substituted variable.
8041         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
8042         * configure: Rebuild.
8043         * Makefile.in: Likewise.
8044         * testsuite/Makefile.in: Likewise.
8046 2008-07-18  Ian Lance Taylor  <iant@google.com>
8048         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
8049         where we see NAME/NULL and NAME/VERSION  as separate symbols.
8050         * testsuite/ver_test_main.cc (main): Call t4.
8051         (t4, t4_2a): Define.
8052         * testsuite/ver_test_2.cc (t4_2): Define.
8053         * testsuite/ver_test_2.script: Put t4_2a in VER2.
8054         * testsuite/ver_test_4.cc (t4_2a): Define.
8055         * testsuite/ver_test_4.script: Put t4_2a in VER2.
8056         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
8058 2008-07-17  Ian Lance Taylor  <iant@google.com>
8060         * dynobj.cc (Versions::add_def): If we give an error about a
8061         missing version, go ahead and create the version anyhow.
8063 2008-07-10  Ian Lance Taylor  <iant@google.com>
8065         Handle output sections with more than 0x7fffffff bytes.
8066         * object.h (class Relobj): Change map_to_output_ to
8067         output_sections_, and just keep a section pointer.  Change all
8068         uses.  Move comdat group support to Sized_relobj.
8069         (Relobj::is_section_specially_mapped): Remove.
8070         (Relobj::output_section): Remove poff parameter.  Change all
8071         callers.
8072         (Relobj::output_section_offset): New function.
8073         (Relobj::set_section_offset): Rewrite.
8074         (Relobj::map_to_output): Remove.
8075         (Relobj::output_sections): New function.
8076         (Relobj::do_output_section_offset): New pure virtual function.
8077         (Relobj::do_set_section_offset): Likewise.
8078         (class Sized_relobj): Add section_offsets_ field.  Add comdat
8079         group support from Relobj.  Update declarations.
8080         (Sized_relobj::get_output_section_offset): New function.
8081         (Sized_relobj::do_output_section_offset): New function.
8082         (Sized_relobj::do_set_section_offset): New function.
8083         * object.cc (Relobj::output_section_address): Remove.
8084         (Sized_relobj::Sized_relobj): Initialize new fields.
8085         (Sized_relobj::include_section_group): Cast find_kept_object to
8086         Sized_relobj.
8087         (Sized_relobj::include_linkonce_section): Likewise.
8088         (Sized_relobj::do_layout): Use separate arrays for output section
8089         and output offset.
8090         (Sized_relobj::do_count_local_symbols): Change map_to_output to
8091         output_sections.
8092         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
8093         output_sections and section_offsets.
8094         (Sized_relobj::write_local_symbols): Likewise.
8095         (map_to_kept_section): Compute output address directly.
8096         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
8097         output_sections and section_offsets.
8098         (Sized_relobj::write_sections): Likewise.
8099         (Sized_relobj::relocate_sections): Likewise.
8100         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
8101         * output.h (class Output_reloc): Update declarations.  Change
8102         u2_.relobj to Sized_relobj*.
8103         (class Output_data_reloc): Change add functions to use
8104         Sized_relobj*.
8105         * output.cc (Output_reloc::Output_reloc): Change relobj to
8106         Sized_relobj*.
8107         (Output_reloc::local_section_offset): Change return type to
8108         Elf_Addr.  Use get_output_section_offset.
8109         (Output_reloc::get_address): Likewise.
8110         (Output_section::is_input_address_mapped): Don't call
8111         is_section_specially_mapped.
8112         (Output_section::output_offset): Likewise.
8113         (Output_section::output_address): Likewise.
8114         (Output_section::starting_output_address): Likewise.
8115         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
8116         parameter to Sized_relobj*.
8117         (Copy_relocs::need_copy_reloc): Likewise.
8118         (Copy_relocs::save): Likewise.
8119         * copy-relocs.h (class Copy_relocs): Update declarations.
8120         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
8121         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
8122         * target-reloc.h (relocate_for_relocatable): Change
8123         offset_in_output_section type to Elf_Addr.  Change code that uses
8124         it as well.
8125         * layout.cc (Layout::layout): Always set *off.
8126         * mapfile.cc (Mapfile::print_input_section): Use
8127         output_section_offset.
8128         * i386.cc (Target_i386::copy_reloc): Change object parameter to
8129         Sized_relobj*.
8130         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
8131         * sparc.cc (Target_sparc::copy_reloc): Likewise.
8132         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
8134 2008-07-03  Ian Lance Taylor  <iant@google.com>
8136         * layout.cc (Layout::include_section): Do not discard unrecognized
8137         SHT_STRTAB sections.
8139 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
8141         * script.cc (Lex::can_continue_name): Make '?' allowable in
8142         version-script names.
8143         * testsuite/version_script.map: Change glob pattern to use '?'
8145 2008-06-30  Manish Singh  <yosh@gimp.org>
8147         PR 6585
8148         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
8149         Correct typo.
8151 2008-06-30  Ian Lance Taylor  <iant@google.com>
8153         PR 6660
8154         PR 6682
8155         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
8156         versions]: Don't try to read the value in the contents, since we
8157         don't use it.  Use the template endianness when writing.
8159 2008-06-25  Cary Coutant  <ccoutant@google.com>
8161         * fileread.cc (File_read::make_view): Assert on zero-length view.
8162         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
8163         symbol table when there are no symbols to read.
8165 2008-06-23  Craig Silverstein  <csilvers@google.com>
8167         * version.cc (version_string): Bump to 1.7
8169 2008-06-18  Craig Silverstein  <csilvers@google.com>
8171         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
8172         constant 0xFFFF to type Valtype.
8173         (Powerpc_relocate_functions::rel16_ha): Likewise.
8175 2008-06-17  Ian Lance Taylor  <iant@google.com>
8177         * output.h (Output_section::Input_section): Initialize p2align_ to
8178         zero for Output_section_data constructors.
8179         (Output_section::Input_section::addralign): If not an input
8180         section, return the alignment of the Output_section_data.
8181         * testsuite/copy_test.cc: New file.
8182         * testsuite/copy_test_1.cc: New file.
8183         * testsuite/copy_test_2.cc: New file.
8184         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8185         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8186         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8187         (copy_test_1_pic.o, copy_test_1.so): New targets.
8188         (copy_test_2_pic.o, copy_test_2.so): New targets.
8189         * testsuite/Makefile.in: Rebuild.
8191         * script-sections.cc (Script_sections::place_orphan): Initialize
8192         local variable exact.
8194 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8196         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8198 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8199             David S. Miller  <davem@davemloft.net>
8201         * powerpc.cc: New file.
8202         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8203         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8204         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8205         * Makefile.in: Rebuild.
8207 2008-06-09  Ian Lance Taylor  <iant@google.com>
8209         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8210         <exception>.
8211         (throwing, orig_terminate): New static variables.
8212         (terminate_handler): New static function.
8213         (t2): Set terminate handler.
8215 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8217         PR 6584
8218         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8219         alignment.
8221 2008-05-30  Cary Coutant  <ccoutant@google.com>
8223         * archive.cc (Archive::include_all_members) Correct to step
8224         over symbol table and extended name table in thin archives.
8226 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8228         PR 6407
8229         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8230         calculation.
8232 2008-05-28  Caleb Howe  <cshowe@google.com>
8234         * reduced_debug_output.cc: New file.
8235         * reduced_debug_output.h: New file.
8236         * options.h (class General_options): Add --strip-debug-non-line.
8237         * options.cc (General_options::finalize): Add strip_debug_non_line
8238         to the strip heirarchy.
8239         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8240         fields.
8241         * layout.cc: Include "reduced_debug_output.h".
8242         (Layout::Layout): Initialize new fields.
8243         (line_only_debug_sections): New static array.
8244         (is_lines_only_debug_sections): New static inline function.
8245         (Layout::include_section): Handle --strip-debug-non-line.
8246         (Layout::make_output_section): If --strip-debug-non-line, build
8247         new output sections for .debug_abbrev and .debug_info.
8248         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8249         gold.  Warn about possible overflow.
8250         (read_signed_LEB_128): Likewise.
8251         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8252         (read_signed_LEB_128): Declare.
8253         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8254         (HFILES): Add reduced_debug_output.h.
8255         * Makefile.in: Rebuild.
8257 2008-05-21  Ian Lance Taylor  <iant@google.com>
8259         * mapfile.cc: New file.
8260         * mapfile.h: New file.
8261         * options.h (class General_options): Add -M/--print-map and -Map.
8262         * options.cc (General_options::finalize): Make -M equivalent to
8263         -Map -.
8264         * main.cc: Include <cstdio> and "mapfile.h".
8265         (main): Open mapfile if requested.
8266         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8267         constructor.  Change caller.
8268         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8269         (queue_middle_tasks): Likewise.
8270         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8271         declarations.
8272         * archive.cc: Include "mapfile.h".
8273         (Archive::add_symbols): Add mapfile parameter.  Change all
8274         callers.  Pass mapfile, symbol, and reason to include_member.
8275         (Archive::include_all_members): Add mapfile parameter.  Change all
8276         callers.
8277         (Archive::include_member): Add mapfile, sym, and why parameters.
8278         Change all callers.  Report inclusion to map file.
8279         * archive.h: Include "fileread.h".
8280         (class Archive): Update declarations.
8281         (Archive::file): New const method.
8282         (class Add_archive_symbols): Add mapfile_ field.  Update
8283         constructor.  Change all callers.
8284         * readsyms.h (class Read_symbols): Likewise.
8285         (class Finish_group): Likewise.
8286         (class Read_script): Likewise.
8287         * common.cc: Include "mapfile.h".
8288         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
8289         all callers.
8290         (Symbol_table::do_allocate_commons): Likewise.
8291         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
8292         symbol allocation to mapfile.
8293         * common.h (class Allocate_commons_task): Add mapfile_ field.
8294         Update constructor.  Change all callers.
8295         * symtab.h (class Symbol_table): Update declarations.
8296         * layout.cc: Include "mapfile.h".
8297         (Layout_task_runner::run): Print information to mapfile.
8298         (Layout::create_gold_note): Change Output_data_fixed_space to
8299         Output_data_zero_fill.
8300         (Layout::create_build_id): Likewise.
8301         (Layout::print_to_mapfile): New function.
8302         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
8303         constructor.  Change caller.
8304         (class Layout): Declare print_to_mapfile.
8305         * output.cc (Output_section::Input_section::print_to_mapfile): New
8306         function.
8307         (Output_section::add_input_section): If producing a map, always
8308         add to input_sections_ list.
8309         (Output_section::do_print_to_mapfile): New function.
8310         (Output_segment::print_sections_to_mapfile): New function.
8311         (Output_segment::print_section_list_to_mapfile): New function.
8312         * output.h: Include "mapfile.h".
8313         (Output_data::print_to_mapfile): New function.
8314         (Output_data::do_print_to_mapfile): New virtual function.
8315         (Output_segment_headers::do_print_to_mapfile): New function.
8316         (Output_file_header::do_print_to_mapfile): New function.
8317         (Output_data_const::do_print_to_mapfile): New function.
8318         (class Output_data_const_buffer): Add map_name_ field.  Update
8319         constructor.  Change all callers.  Add do_print_to_mapfile
8320         function.
8321         (class Output_data_fixed_space): Likewise.
8322         (class Output_data_space): Likewise.
8323         (class Output_data_zero_fill): New class.
8324         (Output_data_strtab::do_print_to_mapfile): New function.
8325         (Output_data_reloc_base::do_print_to_mapfile): New function.
8326         (Output_relocatable_relocs::do_print_to_mapfile): New function.
8327         (Output_data_group::do_print_to_mapfile): New function.
8328         (Output_data_got::do_print_to_mapfile): New function.
8329         (Output_data_dynamic::do_print_to_mapfile): New function.
8330         (Output_symtab_xindex::do_print_to_mapfile): New function.
8331         (class Output_section): Declare do_print_to_mapflie.  Declare
8332         print_to_mapfile in Input_section.
8333         (class Output_segment): Declare new functions.
8334         * object.h (Sized_relobj::symbol_count): New function.
8335         * script-sections.cc
8336         (Output_section_element_dot_assignment::set_section_addresses):
8337         Change Output_data_fixed_space to Output_data_zero_fill.
8338         (Output_data_expression::do_print_to_mapfile): New function.
8339         * script.cc (read_input_script): Add mapfile parameter.  Change
8340         all callers.
8341         * script.h (read_input_script): Update declaration.
8342         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
8343         (Eh_frame::do_print_to_mapfile): New function.
8344         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
8345         (Output_merge_string::do_print_to_mapfile): New function.
8346         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
8347         function.
8348         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
8349         function.
8350         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
8351         function.
8352         * Makefile.am (CCFILES): Add mapfile.cc.
8353         (HFILES): Add mapfile.h.
8354         * Makefile.in: Rebuild.
8356 2008-05-19  Ian Lance Taylor  <iant@google.com>
8358         * options.h (class General_options): Add -z relro.
8359         * layout.cc (Layout::Layout): Initialize relro_segment_.
8360         (Layout::add_output_section_data): Return the output section.
8361         (Layout::make_output_section): Rcognize relro sections and mark
8362         them appropriately.
8363         (Layout::attach_allocated_section_to_segment): Put relro sections
8364         in a PT_GNU_RELRO segment.
8365         (Layout::create_initial_dynamic_sections): Mark the .dynamic
8366         section as relro.
8367         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
8368         PT_TLS segments.
8369         (Layout::linkonce_mapping): Map d.rel.ro.local to
8370         .data.rel.ro.local.
8371         (Layout::output_section_name): Us .data.rel.ro.local for any
8372         section which begins with that.
8373         * layout.h (class Layout): Update add_output_section_data
8374         declaration.  Add relro_segment_ field.
8375         * output.cc (Output_section::Output_section): Initialize is_relro_
8376         and is_relro_local_ fields.
8377         (Output_segment::add_output_section): Group relro sections.
8378         (Output_segment::is_first_section_relro): New function.
8379         (Output_segment::maximum_alignment): If there is a relro section,
8380         align the segment to the common page size.
8381         (Output_segment::set_section_addresses): Track whether we are
8382         looking at relro sections.  If the last section is a relro
8383         section, align to the common page size.
8384         (Output_segment::set_section_list_addresses): Add in_relro
8385         parameter.  Change all callers.  Align to the page size when
8386         moving from relro to non-relro section.
8387         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
8388         segment.
8389         * output.h (class Output_section): Add is_relro_ and
8390         is_relro_local_ fields.
8391         (Output_section::is_relro): New function.
8392         (Output_section::set_is_relro): New function.
8393         (Output_section::is_relro_local): New function.
8394         (Output_section::set_is_relro_local): New function.
8395         (class Output_segment): Update declarations.
8396         * i386.cc (Target_i386::got_section): Mark .got section as relro.
8397         * sparc.cc (Target_sparc::got_section): Likewise.
8398         * x86_64.cc (Target_x86_64::got_section): Likewise.
8399         * testsuite/relro_test_main.cc: New file.
8400         * testsuite/relro_test.cc: New file.
8401         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
8402         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
8403         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
8404         (relro_test.so, relro_test_pic.o): New targets.
8405         * testsuite/Makefile.in: Rebuild.
8407 2008-05-16  Ian Lance Taylor  <iant@google.com>
8409         * output.cc (Output_segment::add_output_section): Remove front
8410         parameter.
8411         * output.h (class Output_segment): Remove
8412         add_initial_output_section and overloaded add_output_section.
8413         Update declaration of remaining add_output_section.
8414         * layout.cc (Layout::create_interp): Call add_output_section
8415         rather than add_initial_output_section.
8416         (Layout::finish_dynamic_section): Likewise.
8418         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
8419         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
8420         know the dynamic type.
8421         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
8422         field.  Initialize it in constructor.
8423         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
8424         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
8425         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
8426         reloc.
8428         * output.cc (Output_reloc::get_address): Change return type to
8429         Elf_Addr.
8430         * output.h (class Output_reloc): Update get_address declaration.
8431         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
8432         for section addresses.
8434 2008-05-09  Ian Lance Taylor  <iant@google.com>
8436         PR 6493
8437         * gold.cc (gold_nomem): Use return value of write.
8439 2008-05-08  Ian Lance Taylor  <iant@google.com>
8441         * symtab.c (Symbol::init_base_output_data): Add version
8442         parameter.  Change all callers.
8443         (Symbol::init_base_output_segment): Likewise.
8444         (Symbol::init_base_constant): Likewise.
8445         (Symbol::init_base_undefined): Likewise.
8446         (Sized_symbol::init_output_data): Likewise.
8447         (Sized_symbol::init_output_segment): Likewise.
8448         (Sized_symbol::init_constant): Likewise.
8449         (Sized_symbol::init_undefined): Likewise.
8450         (Symbol_table::do_define_in_output_data): If the new symbol has a
8451         version, mark it as the default.
8452         (Symbol_table::do_define_in_output_segment): Likewise.
8453         (Symbol_table::do_define_as_constant): Likewise.
8454         * symtab.h (class Symbol): Update declarations.
8455         (class Sized_symbol): Likewise.
8456         * resolve.cc (Symbol::override_version): New function.
8457         (Symbol::override_base): Call override_version.
8458         (Symbol::override_base_with_special): Likewise.
8459         * testsuite/ver_script_8.script: New file.
8460         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8461         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8462         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8463         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8465 2008-05-06  Ian Lance Taylor  <iant@google.com>
8467         PR 6049
8468         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8469         functions.
8470         (class General_options): Remove existing --undefined, and add
8471         --no-undefined instead.  Add new --undefined as synonym for -u.
8472         * archive.cc (Archive::add_symbols): Check whether symbol was
8473         named with -u.
8474         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8475         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8476         all uses.  Add IS_UNDEFINED.  Update declarations to split
8477         different versions of init_base.  Declare init_base_undefined.
8478         (Symbol::is_defined): Handle IS_UNDEFINED.
8479         (Symbol::is_undefined): Likewise.
8480         (Symbol::is_weak_undefined): Call is_undefined.
8481         (Symbol::is_absolute): Handle IS_CONSTANT.
8482         (class Sized_symbol): Update declarations to split different
8483         versions of init.  Declare init_undefined.
8484         (class Symbol_table): Declare new functions.
8485         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8486         Change all callers.
8487         (Symbol::init_base_output_data): Likewise.
8488         (Symbol::init_base_output_segment): Likewise.
8489         (Symbol::init_base_constant): Likewise.
8490         (Symbol::init_base_undefined): New function.
8491         (Sized_symbol::init_object): Rename from init.  Change all
8492         callers.
8493         (Sized_symbol::init_output_data): Likewise.
8494         (Sized_symbol::init_output_segment): Likewise.
8495         (Sized_symbol::init_constant): Likewise.
8496         (Sized_symbol::init_undefined): New function.
8497         (Symbol_table::add_undefined_symbols_from_command_line): New
8498         function.
8499         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8500         function.
8501         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8502         (Symbol::output_section): Likewise.
8503         (Symbol::set_output_section): Likewise.
8504         (Symbol_table::sized_finalize_symbol): Likewise.
8505         (Symbol_table::sized_write_globals): Likewise.
8506         * resolve.cc (Symbol_table::should_override): Likewise.
8507         (Symbol::override_base_with_special): Likewise.
8509         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8510         symbol, change it to have default visibility.
8511         * testsuite/protected_1.cc: New file.
8512         * testsuite/protected_2.cc: New file.
8513         * testsuite/protected_3.cc: New file.
8514         * testsuite/protected_main_1.cc: New file.
8515         * testsuite/protected_main_2.cc: New file.
8516         * testsuite/protected_main_3.cc: New file.
8517         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8518         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8519         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8520         (protected_1.so): New target.
8521         (protected_1_pic.o, protected_2_pic.o): New targets.
8522         (protected_3_pic.o): New target.
8523         (check_PROGRAMS): Add protected_2.
8524         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8525         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8526         * testsuite/Makefile.in: Rebuild.
8528         * options.h (DEFINE_var): Add set_user_set_##varname__.
8529         (DEFINE_bool_alias): New macro.
8530         (class General_options): Define -Bstatic using DEFINE_bool_alias
8531         rather than DEFINE_special.  Add --undefined as an alias for -z
8532         defs.
8533         * options.cc (General_options::parse_Bstatic): Remove.
8535         * options.h (class General_options): Add --fatal-warnings.
8536         * main.cc (main): Implement --fatal-warnings.
8537         * errors.h (Errors::warning_count): New function.
8539         * options.h (class General_options): Add -Bsymbolic-functions.
8540         * symtab.h (Symbol::is_preemptible): Check for
8541         -Bsymbolic-functions.
8543 2008-05-05  Ian Lance Taylor  <iant@google.com>
8545         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8546         as noVARNAME rather than no-VARNAME.
8547         (class General_options): Add option -z combreloc.
8548         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8549         get_address.
8550         (Output_reloc::sort_before) [SHT_REL]: New function.
8551         (Output_reloc::sort_before) [SHT_RELA]: New function.
8552         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8553         Sort_relocs_comparison.
8554         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8555         parameter.  Change all callers.
8556         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8557         sort_relocs parameter.  Change all callers.
8558         * output.cc (Output_reloc::get_address): New function, broken out
8559         of write_rel.
8560         (Output_reloc::write_rel): Call it.
8561         (Output_reloc::compare): New function.
8562         (Output_data_reloc_base::do_write): Optionally sort relocs.
8564         * configure.ac: If targ_extra_obj is set, link it in.
8565         * configure.tgt: Initialize all variables.
8566         (x86_64*): Set targ_extra_obj and targ_extra_size.
8567         * configure: Rebuild.
8569         * object.cc (Sized_relobj::include_section_group): Adjust section
8570         indexes read from group data.  Build vector to pass to
8571         layout_group.
8572         * layout.cc (Layout::layout_group): Add flags and shndxes
8573         parameters.  Remove contents parameter.  Change caller.  Update
8574         explicit instantiations.
8575         * layout.h (class Layout): Update layout_group declaration.
8576         * output.cc (Output_data_group::Output_data_group): Add flags and
8577         input_shndxes parameters.  Remove contents parameter.  Change
8578         caller.
8579         (Output_data_group::do_write): Change input_sections_ to
8580         input_shndxes_.
8581         * output.h (class Output_data_group): Update constructor
8582         declaration.  Rename input_sections_ to input_shndxes_.
8583         * testsuite/many_sections_test.cc: Add template.
8585 2008-04-30  Cary Coutant  <ccoutant@google.com>
8587         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8589         * layout.cc (Layout::include_section): Refactored check for debug
8590         info section.
8591         (Layout::add_comdat): Add new parameters.  Change type
8592         of signature parameter.  Add object and shndx to signatures table.
8593         (Layout::find_kept_object): New function.
8594         * layout.h: Include <cstring>.
8595         (Layout::is_debug_info_section): New function.
8596         (Layout::add_comdat): Add new parameters.
8597         (Layout::find_kept_object): New function.
8598         (Layout::Kept_section): New struct.
8599         (Layout::Signatures): Change type of map range.
8600         * object.cc (Relobj::output_section_address): New function.
8601         (Sized_relobj::include_section_group): Add new parameters.  Change
8602         calls to Layout::add_comdat.  Change to build table of kept comdat
8603         groups and table mapping discarded sections to kept sections.
8604         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8605         (Sized_relobj::do_layout): Change calls to include_section_group and
8606         include_linkonce_section.
8607         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8608         value to zero when section is discarded.
8609         (Sized_relobj::map_to_kept_section): New function.
8610         * object.h (Relobj::output_section_address): New function.
8611         (Relobj::Comdat_group): New type.
8612         (Relobj::find_comdat_group): New function.
8613         (Relobj::Comdat_group_table): New type.
8614         (Relobj::Kept_comdat_section): New type.
8615         (Relobj::Kept_comdat_section_table): New type.
8616         (Relobj::add_comdat_group): New function.
8617         (Relobj::set_kept_comdat_section): New function.
8618         (Relobj::get_kept_comdat_section): New function.
8619         (Relobj::comdat_groups_): New field.
8620         (Relobj::kept_comdat_sections_): New field.
8621         (Symbol_value::input_value): Update comment.
8622         (Sized_relobj::map_to_kept_section) New function.
8623         (Sized_relobj::include_linkonce_section): Add new parameter.
8624         * target-reloc.h (Comdat_behavior): New type.
8625         (get_comdat_behavior): New function.
8626         (relocate_section): Add code to map a discarded section to the
8627         corresponding kept section when applying a relocation.
8629 2008-04-30  Craig Silverstein  <csilvers@google.com>
8631         * dwarf_reader.cc (next_generation_count): New static var.
8632         (Addr2line_cache_entry): New struct.
8633         (addr2line_cache): New static var.
8634         (Dwarf_line_info::one_addr2line): Added caching.
8635         (Dwarf_line_info::clear_addr2line_cache): New function.
8636         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8637         cache-size parameter.
8638         (Dwarf_line_info::one_addr2line_cache): New function.
8639         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8640         new cache-size argument to one_addr2line(), and clear cache.
8642 2008-04-28  Cary Coutant  <ccoutant@google.com>
8644         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8645         R_386_PC8 relocations.
8647 2008-04-23  Ian Lance Taylor  <iant@google.com>
8649         * object.cc (Sized_relobj::include_section_group): Check for
8650         invalid section group.
8652         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8653         header size.
8655         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8656         than read for file header.
8657         * archive.cc (Archive::include_member): Likewise.
8659 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8661         * aclocal.m4: Regenerate.
8662         * configure: Regenerate.
8664 2008-04-19  Ian Lance Taylor  <iant@google.com>
8666         * version.cc (version_string): Bump to 1.6.
8668         * testsuite/Makefile.am (many_sections_r_test): New target.
8669         (many_sections_r_test_SOURCES): Remove.
8670         (many_sections_r_test_DEPENDENCIES): Remove.
8671         (many_sections_r_test_LDFLAGS): Remove.
8672         (many_sections_r_test_LDADD): Remove.
8674         * object.cc (Sized_relobj::do_add_symbols): Always pass
8675         local_symbol_count_ to add_from_relobj.
8677         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8678         every thousand variables.
8679         * testsuite/Makefile.in: Rebuild.
8681         * object.cc (Xindex::initialize_symtab_xindex): New function.
8682         (Xindex::read_symtab_xindex): New function.
8683         (Xindex::sym_xindex_to_shndx): New function.
8684         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8685         available.
8686         (Sized_relobj::do_initialize_xindex): New function.
8687         (Sized_relobj::do_read_symbols): Adjust section links.
8688         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8689         parameter.  Change all callers.
8690         (Sized_relobj::include_section_group): Adjust section links and
8691         symbol section indexes.
8692         (Sized_relobj::do_layout): Adjust section links.
8693         (Sized_relobj::do_count_local_symbols): Adjust section links and
8694         symbol section indexes.
8695         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8696         ordinary and special symbols.
8697         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8698         dynsym_xindex parameters.  Change all callers.  Adjust section
8699         links.  Use SHN_XINDEX when needed.
8700         (Sized_relobj::get_symbol_location_info): Adjust section links.
8701         Don't get fooled by special symbols.
8702         * object.h (class Xindex): Define.
8703         (class Object): Add xindex_ parameter.  Declare virtual functoin
8704         do_initialize_xindex.
8705         (Object::adjust_sym_shndx): New function.
8706         (Object::set_xindex): New protected function.
8707         (class Symbol_value): Add is_ordinary_shndx_ field.
8708         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8709         (Symbol_value::value): Assert ordinary section.
8710         (Symbol_value::initialize_input_to_output_map): Likewise.
8711         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8712         Change all callers.
8713         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8714         all callers.
8715         (class Sized_relobj): Update declarations.
8716         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8717         parameter.  Change all callers.
8718         (Sized_relobj::adjust_shndx): New function.
8719         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8720         field.
8721         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8722         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8723         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8724         (Sized_dynobj::read_dynsym_section): Adjust section links.
8725         (Sized_dynobj::read_dynamic): Likewise.
8726         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8727         section links.
8728         (Sized_dynobj::do_initialize_xindex): New function.
8729         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8730         do_initialize_xindex.
8731         (Sized_dynobj::adjust_shndx): New function.
8732         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8733         dynsym_xindex_ fields.
8734         (Layout::finalize): Add a call to set_section_indexes before
8735         creating the symtab sections.
8736         (Layout::set_section_indexes): Don't do anything if the section
8737         already has a section index.
8738         (Layout::create_symtab_sections): Add shnum parameter.  Change
8739         caller.  Create .symtab_shndx section if needed.
8740         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8741         caller.
8742         (Layout::allocated_output_section_count): New function.
8743         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8744         needed.
8745         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8746         fields.  Update declarations.
8747         (Layout::symtab_xindex): New function.
8748         (Layout::dynsym_xindex): New function.
8749         (class Write_symbols_task): Add layout_ field.
8750         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8751         Change caller.
8752         * output.cc (Output_section_headers::Output_section_headers): Add
8753         shstrtab_section parameter.  Change all callers.
8754         (Output_section_headers::do_sized_write): Store overflow values
8755         for section count and section string table section index in
8756         section header zero.
8757         (Output_file_header::do_sized_write): Check for overflow of
8758         section count and section string table section index.
8759         (Output_symtab_xindex::do_write): New function.
8760         (Output_symtab_xindex::endian_do_write): New function.
8761         * output.h (class Output_section_headers): Add shstrtab_section_.
8762         Update declarations.
8763         (class Output_symtab_xindex): Define.
8764         (Output_section::has_out_shndx): New function.
8765         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8766         field.
8767         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8768         Change all callers.
8769         (Sized_symbol::init): Likewise.
8770         (Symbol::output_section): Check for ordinary symbol.
8771         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8772         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8773         callers.
8774         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8775         Change all callers.  Simplify handling of symbols from sections
8776         not included in the link.
8777         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8778         distinction.
8779         (Weak_alias_sorter::operator()): Assert that symbols are
8780         ordinary.
8781         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8782         distinction.
8783         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8784         parameters.  Change all callers.
8785         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8786         symbol distinction.  Use SHN_XINDEX when needed.
8787         (Symbol_table::write_section_symbol): Add symtab_xindex
8788         parameter.  Change all callers.
8789         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8790         SHN_XINDEX when needed.
8791         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8792         declarations.
8793         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8794         (Symbol::is_defined): Check is_ordinary.
8795         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8796         (Symbol::is_absolute, Symbol::is_common): Likewise.
8797         (class Sized_symbol): Update declarations.
8798         (class Symbol_table): Update declarations.
8799         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8800         parameters.  Change all callers.
8801         (Sized_symbol::override): Likewise.
8802         (Symbol_table::override): Likewise.
8803         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8804         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8805         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8806         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8807         to be in an ordinary section.
8808         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8809         object and is_ordinary parameters.  Change all callers.
8810         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8811         Change all callers.  Don't add undefined or non-ordinary symbols
8812         to reloc_map_.
8813         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8814         Change all callers.
8815         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8816         declarations.
8817         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8818         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8819         (Sized_relobj::relocate_sections): Likewise.
8820         * target-reloc.h (scan_relocs): Adjust section symbol index.
8821         (scan_relocatable_relocs): Likewise.
8822         * i386.cc (Scan::local): Check for ordinary symbols.
8823         * sparc.cc (Scan::local): Likewise.
8824         * x86_64.cc (Scan::local): Likewise.
8825         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8826         to symbol_section_and_value.
8827         * testsuite/many_sections_test.cc: New file.
8828         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8829         (check_PROGRAMS): Add many_sections_test.
8830         (many_sections_test_SOURCES): Define.
8831         (many_sections_test_DEPENDENCIES): Define.
8832         (many_sections_test_LDFLAGS): Define.
8833         (BUILT_SOURCES): Add many_sections_define.h.
8834         (many_sections_define.h): New target.
8835         (BUILT_SOURCES): Add many_sections_check.h.
8836         (many_sections_check.h): New target.
8837         (check_PROGRAMS): Add many_sections_r_test.
8838         (many_sections_r_test_SOURCES): Define.
8839         (many_sections_r_test_DEPENDENCIES): Define.
8840         (many_sections_r_test_LDFLAGS): Define.
8841         (many_sections_r_test_LDADD): Define.
8842         (many_sections_r_test.o): New target.
8843         * testsuite/Makefile.in: Rebuild.
8845 2008-04-17  Cary Coutant  <ccoutant@google.com>
8847         * errors.cc (Errors::info): New function.
8848         (gold_info): New function.
8849         * errors.h (Errors::info): New function.
8850         * gold.h (gold_info): New function.
8851         * object.cc (Input_objects::add_object): Print trace output.
8852         * options.cc (options::parse_set): New function.
8853         (General_options::parse_wrap): Deleted.
8854         (General_options::General_options): Deleted initializer.
8855         * options.h (options::String_set): New typedef.
8856         (options::parse_set): New function.
8857         (DEFINE_set): New macro.
8858         (General_options::wrap): Changed to use DEFINE_set. Changed
8859         callers of any_wrap_symbols and is_wrap_symbol.
8860         (General_options::trace, General_options::trace_symbol):
8861         New options.
8862         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8863         (General_options::wrap_symbols_): Deleted.
8864         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8866 2008-04-17  David S. Miller  <davem@davemloft.net>
8868         * options.cc (General_options::parse_V): New function.
8869         * options.h: Add entries for -V and -Qy.
8871 2008-04-17  Ian Lance Taylor  <iant@google.com>
8873         * common.cc (Symbol_table::allocate_commons): Remove options
8874         parameter.  Change caller.
8875         (Symbol_table::do_allocate_commons): Remove options parameter.
8876         Change caller.  Just call do_allocate_commons_list twice.
8877         (Symbol_table::do_allocate_commons_list): New function, broken out
8878         of do_allocate_commons.
8879         * common.h (class Allocate_commons_task): Remove options_ field.
8880         Update constructor.
8881         * symtab.cc (Symbol_table::Symbol_table): Initialize
8882         tls_commons_.
8883         (Symbol_table::add_from_object): Put TLS common symbols on
8884         tls_commons_ list.
8885         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8886         which are IN_OUTPUT_DATA.
8887         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8888         allocate_commons and do_allocate_commons declarations.  Declare
8889         do_allocate_commons_list.
8890         * gold.cc (queue_middle_tasks): Update creation of
8891         Allocate_commons_task to not pass options.
8892         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8893         (TLS_TEST_C_FLAGS): New variable.
8894         (tls_test_c_pic.o): New target.
8895         (tls_test_shared.so): Link in tls_test_c_pic.o.
8896         (tls_test_c_pic_ie.o): New target.
8897         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8898         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8899         (tls_test_c.o): New target.
8900         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8901         (tls_pic_test_LDADD): Likewise.
8902         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8903         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8904         (tls_test_c_gnu2.o): New target.
8905         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8906         tls_test_c_gnu2.o.
8907         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8908         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8909         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8910         * testsuite/tls_test.cc: Include "config.h".
8911         (t_last): Call t11_last.
8912         * testsuite/tls_test.h (t11, t11_last): Declare.
8913         * testsuite/tls_test_c.c: New file.
8914         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8915         * configure.ac: Check for OpenMP support.
8916         * configure, config.in, Makefile.in: Rebuild.
8917         * testsuite/Makefile.in: Rebuild.
8919 2008-04-16  Cary Coutant  <ccoutant@google.com>
8921         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8922         (Target_i386::tls_base_symbol_defined_): New field.
8923         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8924         (Target_i386::Scan::global): Likewise.
8925         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8926         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8927         (Target_x86_64::tls_base_symbol_defined_): New field.
8928         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8929         (Target_x86_64::Scan::global): Likewise.
8931 2008-04-16  Cary Coutant  <ccoutant@google.com>
8933         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8934         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8935         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8936         building shared libraries.
8937         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8938         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8939         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8940         * testsuite/Makefile.in: Rebuild.
8941         * testsuite/weak_undef.h: New file.
8942         * testsuite/weak_undef_file1.cc: Add extra test cases.
8943         * testsuite/weak_undef_file2.cc: Likewise.
8944         * testsuite/weak_undef_test.cc: Likewise.
8946 2008-04-16  David S. Miller  <davem@davemloft.net>
8948         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8949         Add issued_non_pic_error_ field.  Declare check_non_pic.
8950         (Target_sparc::Scan::check_non_pic): New function.
8951         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8952         (Target_sparc::Scan::global): Likewise.
8954         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8955         * configure: Rebuild.
8957         * options.h (DEFINE_enable): New macro.
8958         (new_dtags): New enable option.
8959         (initfirst, interpose, loadfltr, nodefaultlib,
8960         nodelete, nodlopen, nodump): New -z options.
8961         * layout.cc (Layout:finish_dynamic_section): If new
8962         dtags enabled, emit DT_RUNPATH.  Also, emit a
8963         DT_FLAGS_1 containing any specified -z flags.
8965 2008-04-16  Ian Lance Taylor  <iant@google.com>
8967         * copy-relocs.cc: New file.
8968         * copy-relocs.h: New file.
8969         * reloc.cc: Remove Copy_relocs code.
8970         * reloc.h: Likewise.
8971         * reloc-types.h (struct Reloc_types) [both versions]: Add
8972         get_reloc_addend_noerror.
8973         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8974         variants of add_global which take an addend which must be zero.
8975         * i386.cc: Include "copy-relocs.h".
8976         (class Target_i386): Change type of copy_relocs_ to variable,
8977         update initializer.
8978         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8979         Change all callers.
8980         (Target_i386::do_finalize_sections): Change handling of
8981         copy_relocs_.
8982         * sparc.cc: Include "copy-relocs.h".
8983         (class Target_sparc): Change type of copy_relocs_ to variable,
8984         update initializer.
8985         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8986         Change all callers.
8987         (Target_sparc::do_finalize_sections): Change handling of
8988         copy_relocs_.
8989         * x86_64.cc: Include "copy-relocs.h".
8990         (class Target_x86_64): Change type of copy_relocs_ to variable,
8991         update initializer.
8992         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8993         class.  Change all callers.
8994         (Target_x86_64::do_finalize_sections): Change handling of
8995         copy_relocs_.
8996         * Makefile.am (CCFILES): Add copy-relocs.cc.
8997         (HFILES): Add copy-relocs.h.
8999         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
9001         * testsuite/script_test_4.sh: Permit leading zeroes.
9003 2008-04-15  Ian Lance Taylor  <iant@google.com>
9005         * script-sections.cc (Script_sections::create_segments): Use
9006         header_size_adjustment even when there is enough room for the
9007         headers.
9008         * testsuite/script_test_4.sh: New file.
9009         * testsuite/script_test_4.t: New file.
9010         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
9011         (check_DATA): Add script_test_4.stdout.
9012         (MOSTLYCLEANFILES): Likewise.
9013         (script_test_4): New target.
9014         (script_test_4.stdout): New target.
9015         * testsuite/Makefile.in: Rebuild.
9017         * sparc.cc: Add definitions for Output_data_plt_sparc class
9018         constants.
9020 2008-04-14  David S. Miller  <davem@davemloft.net>
9022         * sparc.cc: New file.
9023         * Makefile.am (TARGETSOURCES): Add sparc.cc
9024         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
9025         * configure.tgt: Document targ_extra_size and
9026         targ_extra_big_endian.  Add entries for sparc-* and
9027         sparc64-*.
9028         * configure.ac: Handle targ_extra_size and
9029         targ_extra_big_endian.
9030         * Makefile.in: Rebuild.
9031         * configure: Likewise.
9032         * po/POTFILES.in: Likewise.
9033         * po/gold.pot: Likewise.
9035 2008-04-14  Ian Lance Taylor  <iant@google.com>
9037         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
9038         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
9039         in the name/type/flags to section mapping.  Don't call
9040         allocate_output_section.
9041         (Layout::choose_output_section): Change parameter from adjust_name
9042         to is_input_section.  Don't permit input sections after sections
9043         are attached to segments.  Don't call allocate_output_section.
9044         (Layout::layout_eh_frame): Call update_flags_for_input_section,
9045         not write_enable_output_section.
9046         (Layout::make_output_section): Don't push to
9047         unattached_section_list_ nor call attach_to_segment.  Call
9048         attach_section_to_segment if sections are attached.
9049         (Layout::attach_sections_to_segments): New function.
9050         (Layout::attach_section_to_segment): New function.
9051         (Layout::attach_allocated_section_to_segment): Rename from
9052         attach_to_segment.  Remove flags parameter.
9053         (Layout::allocate_output_section): Remove function.
9054         (Layout::write_enable_output_section): Remove function.
9055         * layout.h (class Layout): Update for above changes.  Add new
9056         field sections_are_attached_.
9057         * output.h (Output_section::update_flags_for_input_section): New
9058         function.
9059         * output.cc (Output_section::add_input_section): Call
9060         update_flags_for_input_section.
9061         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
9063 2008-04-11  Cary Coutant  <ccoutant@google.com>
9065         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
9066         thought unnecessary.
9067         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
9069 2008-04-11  Ian Lance Taylor  <iant@google.com>
9071         * output.h (class Output_section_data): Remove inline definition
9072         of set_addralign.
9073         * output.cc (Output_section_data::set_addralign): New function.
9075 2008-04-11  Cary Coutant  <ccoutant@google.com>
9077         Add support for TLS descriptors for i386 and x86_64.
9078         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
9079         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
9080         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
9081         GOT_TYPE_TLS_DESC.
9082         (Target_i386::got_mod_index_entry): Remove unnecessary code.
9083         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
9084         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
9085         relocations.
9086         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
9087         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
9088         Fix problem with initial-exec relocations.
9089         (Target_i386::Relocate::relocate_tls): Likewise.
9090         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
9091         relaxation.
9092         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
9093         support for section-plus-offset dynamic table entries.
9094         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
9095         (Output_data_dynamic::Dynamic_entry): Add support for
9096         section-plus-offset dynamic table entries.
9097         (Output_data_dynamic::Classification): Likewise.
9098         (Output_data_dynamic::classification_): Renamed offset_.
9099         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
9100         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
9101         (Target_x86_64::make_plt_section): New function.
9102         (Target_x86_64::reserve_tlsdesc_entries): New function.
9103         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
9104         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
9105         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
9106         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
9107         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
9108         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
9109         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
9110         add extra PLT entry for TLS descriptors.
9111         (Output_data_plt_x86_64::got_): New field.
9112         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
9113         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
9114         fields.
9115         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
9116         descriptors.
9117         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
9118         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
9119         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
9120         R_386_TLS_DESC_CALL relocations.
9121         (Target_x86_64::Scan::global): Likewise.
9122         (Target_x86_64::do_finalize_sections): Add dynamic table entries
9123         for TLS descriptors.
9124         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
9125         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
9126         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
9127         GD-to-IE relaxation.
9128         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
9129         and TLS_DESCRIPTORS.
9130         * Makefile.in: Rebuild.
9131         * configure: Rebuild.
9132         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
9133         (tls_test_shared2.so): New target.
9134         (tls_shared_gd_to_ie_test_SOURCES): New variable.
9135         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
9136         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
9137         (tls_shared_gd_to_ie_test_LDADD): New variable.
9138         (tls_shared_gnu2_gd_to_ie_test): New target.
9139         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
9140         New targets.
9141         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
9142         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
9143         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
9144         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
9145         (tls_shared_gnu2_test): New target.
9146         (tls_test_gnu2_shared.so): New target.
9147         (tls_shared_gnu2_test_SOURCES): New variable.
9148         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
9149         (tls_shared_gnu2_test_LDFLAGS): New variable.
9150         (tls_shared_gnu2_test_LDADD): New variable.
9151         * testsuite/Makefile.in: Rebuild.
9152         * testsuite/Makefile.
9154 2008-04-11  Ian Lance Taylor  <iant@google.com>
9156         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
9157         justsyms.t.
9158         * testsuite/Makefile.in: Rebuild.
9160         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
9161         long.
9162         * testsuite/script_test_2.cc (main): Adjust test.
9164 2008-04-11  David S. Miller  <davem@davemloft.net>
9165             Ian Lance Taylor  <iant@google.com>
9167         * options.h (General_options): Add entries for '-Y' and
9168         '-relax'.
9169         * options.cc (General_options:finalize): If -Y was used, add those
9170         entries to the library path instead of the default "/lib" and
9171         "/usr/lib".
9173 2008-04-11  David S. Miller  <davem@davemloft.net>
9175         * testsuite/justsyms.t: Start at 0x100.
9176         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
9177         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
9178         long.
9179         * testsuite/script_test_2.cc: Adjust string and section length
9180         checks.
9182 2008-04-09  Ian Lance Taylor  <iant@google.com>
9184         PR gold/5996
9185         * script-sections.cc (Sections_element::allocate_to_segment): Add
9186         orphan parameter.
9187         (Output_section_definition::allocate_to_segment): Likewise.
9188         (Orphan_output_section::allocate_to_segment): Likewise.
9189         (Script_sections::attach_sections_using_phdrs_clause): Don't
9190         propagate non-PT_LOAD segments to orphan sections.
9191         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9192         readelf rather than objdump.
9193         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9194         .interp section and PT_INTERP segment are the same size.
9195         * testsuite/Makefile.in: Rebuild.
9197         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9198         aliases for symbols defined in the same object.
9199         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9200         (weak_alias_test_SOURCES): New variable.
9201         (weak_alias_test_DEPENDENCIES): New variable.
9202         (weak_alias_test_LDFLAGS): New variable.
9203         (weak_alias_test_LDADD): New variable.
9204         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9205         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9206         (weak_alias_test_3.o): New target.
9207         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9208         * testsuite/weak_alias_test_main.cc: New file.
9209         * testsuite/weak_alias_test_1.cc: New file.
9210         * testsuite/weak_alias_test_2.cc: New file.
9211         * testsuite/weak_alias_test_3.cc: New file.
9213 2008-04-08  Ian Lance Taylor  <iant@google.com>
9215         * options.h (class General_options): Add --noinhibit-exec option.
9216         * main.cc (main): Check --noinhibit-exec.
9218         * options.h (class General_options): Define --wrap as a special
9219         option.  Add wrap_symbols_ field.
9220         (General_options::any_wrap_symbols): New function.
9221         (General_options::is_wrap_symbol): New function.
9222         * options.cc (General_options::parse_wrap): New function.
9223         (General_options::General_options): Initialize wrap_symbols_.
9224         * symtab.cc (Symbol_table::wrap_symbol): New function.
9225         (Symbol_table::add_from_object): Handle --wrap.
9226         * symtab.h (class Symbol_table): Declare wrap_symbol.
9227         * target.h (Target::wrap_char): New function.
9228         (Target::Target_info): Add wrap_char field.
9229         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9230         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9231         * testsuite/testfile.cc (Target_test::test_target_info):
9232         Likewise.
9234         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9235         there is one.
9237         * layout.h (class Layout): Add added_eh_frame_data_ field.
9238         * layout.cc (Layout::Layout): Initialize new field.
9239         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9240         output section until we find a section we merged successfully.
9241         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9242         that the size be non-zero.
9244         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9245         qualifier.
9247 2008-04-08  Craig Silverstein  <csilvers@google.com>
9249         * configure.ac: Export new conditional variable HAVE_ZLIB.
9250         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9251         on HAVE_ZLIB.
9252         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9253         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9255 2008-04-07  Ian Lance Taylor  <iant@google.com>
9257         * version.cc (version_string): Set to "1.5".
9259         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9260         Add issued_non_pic_error_ field.  Declare check_non_pic.
9261         (Target_x86_64::Scan::check_non_pic): New function.
9262         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9263         (Target_x86_64::Scan::global): Likewise.
9265         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9266         addend parameter.  Change caller.  Handle merge sections.
9267         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9268         Address to Addend.  Don't add in the result of
9269         local_section_offset, pass down the addend and use the returned
9270         value.
9271         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9272         Update declarations of local_section_offset and symbol_value.
9273         * testsuite/two_file_test_1.cc (t18): New function.
9274         * testsuite/two_file_test_2.cc (f18): New function.
9275         * testsuite/two_file_test_main.cc (main): Call t18.
9276         * testsuite/two_file_test.h (t18, f18): Declare.
9278         * configure.ac: Don't test for objdump, c++filt, or readelf.
9279         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
9280         conditionals.
9281         (TEST_READELF): New variable.
9282         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
9283         (check_PROGRAMS): Add two_file_strip_test.
9284         (two_file_strip_test): New target.
9285         (check_PROGRAMS): Add two_file_same_shared_strip_test.
9286         (two_file_same_shared_strip_test_SOURCES): New variable.
9287         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
9288         (two_file_same_shared_strip_test_LDFLAGS): New variable.
9289         (two_file_same_shared_strip_test_LDADD): New variable.
9290         (two_file_shared_strip.so): New target.
9291         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
9292         (ver_test_5.syms, ver_test_7.syms): Likewise.
9293         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
9294         (strip_test_3.stdout): Use TEST_OBJDUMP.
9295         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9297 2008-04-04  Cary Coutant  <ccoutant@google.com>
9299         * symtab.h (Symbol::is_weak_undefined): New function.
9300         (Symbol::is_strong_undefined): New function.
9301         (Symbol::is_absolute): New function.
9302         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
9303         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
9304         absolute symbols.
9305         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
9306         (weak_undef_test): New target.
9307         * testsuite/Makefile.in: Rebuild.
9308         * testsuite/weak_undef_file1.cc: New file.
9309         * testsuite/weak_undef_file2.cc: New file.
9310         * testsuite/weak_undef_test.cc: New file.
9312 2008-04-03  Craig Silverstein  <csilvers@google.com>
9314         * compressed_output.h (class Output_compressed_section): Use
9315         unsigned buffer.
9316         * compressed_output.cc (zlib_compress): Use unsigned buffers,
9317         add zlib header.
9318         (zlib_compressed_suffix): Removed.
9319         (Output_compressed_section::set_final_data_size): Use unsigned
9320         buffers.
9321         * testsuite/Makefile.am (flagstest_compress_debug_sections):
9322         Fix linker invocation.
9323         (flagstest_o_specialfile_and_compress_debug_sections):
9324         Likewise.
9325         * testsuite/Makefile.in: Regenerated.
9327 2008-04-02  David S. Miller  <davem@davemloft.net>
9329         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
9330         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
9332 2008-04-02  Craig Silverstein  <csilvers@google.com>
9334         * TODO: New file.
9336 2008-04-02  Ian Lance Taylor  <iant@google.com>
9338         * fileread.cc (File_read::find_view): Add byteshift and vshifted
9339         parameters.  Update for new key type to views_.  Change all
9340         callers.
9341         (File_read::read): Adjust for byteshift in returned view.
9342         (File_read::add_view): New function, broken out of
9343         find_and_make_view.
9344         (File_read::make_view): New function, broken out of
9345         find_and_make_view.
9346         (File_read::find_or_make_view): Add offset and aligned
9347         parameters.  Rewrite accordingly.  Change all callers.
9348         (File_read::get_view): Add offset and aligned parameters.  Adjust
9349         for byteshift in return value.
9350         (File_read::get_lasting_view): Likewise.
9351         * fileread.h (class File_read): Update declarations.
9352         (class File_read::View): Add byteshift_ field.  Add byteshift to
9353         constructor.  Add byteshift method.
9354         * archive.h (Archive::clear_uncached_views): New function.
9355         (Archive::get_view): Add aligned parameter.  Change all callers.
9356         * object.h (Object::get_view): Add aligned parameter.  Change all
9357         callers.
9358         (Object::get_lasting_view): Likewise.
9360         * fileread.cc (File_read::release): Don't call clear_views if
9361         there are multiple objects.
9362         * fileread.h (File_read::clear_uncached_views): New function.
9363         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
9364         on the archive.
9366 2008-03-31  Cary Coutant  <ccoutant@google.com>
9368         Add thin archive support.
9369         * archive.cc (Archive::armagt): New const.
9370         (Archive::setup): Remove task parameter and calls to unlock.
9371         (Archive::unlock_nested_archives): New function.
9372         (Archive::read_header): Add nested_off parameter. Change
9373         all callers.
9374         (Archive::interpret_header): Likewise.
9375         (Archive::include_all_members): Change to handle thin
9376         archives.
9377         (Archive::include_member): Likewise.
9378         * archive.h (Archive::Archive): Add new parameters and
9379         initializers.
9380         (Archive::armagt): New const.
9381         (Archive::setup): Remove task parameter.
9382         (Archive::unlock_nested_archives): New function.
9383         (Archive::read_header): Add nested_off parameter.
9384         (Archive::interpret_header): Likewise.
9385         (Archive::Nested_archive_table): New typedef.
9386         (Archive::is_thin_archive_): New field.
9387         (Archive::nested_archives_): New field.
9388         (Archive::options_): New field.
9389         (Archive::dirpath_): New field.
9390         (Archive::task_): New field.
9391         * readsyms.cc (Read_symbols::do_read_symbols): Add check
9392         for thin archives.  Pass additional parameters to
9393         Archive::Archive.  Unlock the archive file after calling
9394         Archive::setup.
9396 2008-03-29  Ian Lance Taylor  <iant@google.com>
9398         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
9399         version symbol to be local.
9400         * testsuite/ver_test_4.sh: New file.
9401         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
9402         (check_DATA): Add ver_test_4.syms.
9403         (ver_test_4.syms): New target.
9404         * testsuite/Makefile.in: Rebuild.
9406         * output.cc
9407         (Output_section::Input_section_sort_entry::has_priority): New
9408         function.
9409         (Output_section::Input_section_sort_entry::match_file_name): New
9410         function.
9411         (Output_section::Input_section_sort_entry::match_section_name):
9412         Remove.
9413         (Output_section::Input_section_sort_entry::match_section_name_prefix):
9414         Remove.
9415         (Output_section::Input_section_sort_entry::match_section_file):
9416         Remove.
9417         (Output_section::Input_section_sort_compare::operator()): Rewrite
9418         using new Input_section_sort_entry functions.  Sort crtbegin and
9419         crtend first.  Sort sections with no priority before sections with
9420         a priority.
9421         * testsuite/initpri1.c (d3): Check j != 4.
9422         (cd5): New constructor/destructor function.
9423         (main): Check j != 2.
9425         * symtab.cc (Symbol_table::add_from_object): If we don't use the
9426         new symbol when resolving, don't call set_is_default.
9427         * testsuite/ver_test_7.cc: New file.
9428         * testsuite/ver_test_7.sh: New file.
9429         * testsuite/Makefile.am (ver_test_7.so): New target.
9430         (ver_test_7.o): New target.
9431         (check_SCRIPTS): Add ver_test_7.sh.
9432         (check_DATA): Add ver_test_7.syms.
9433         (ver_test_7.syms): New target.
9435 2008-03-28  Ian Lance Taylor  <iant@google.com>
9437         * layout.cc (Layout::layout): If we see an input section with a
9438         name that needs sorting, set the must_sort flag for the output
9439         section.
9440         (Layout::make_output_section): If the name of the output section
9441         indicates that it might require sorting, set the may_sort flag.
9442         * output.h (Output_section::may_sort_attached_input_sections): New
9443         function.
9444         (Output_section::set_may_sort_attached_input_sections): New
9445         function.
9446         (Output_section::must_sort_attached_input_sections): New
9447         function.
9448         (Output_section::set_must_sort_attached_input_sections): New
9449         function.
9450         (class Output_section): Declare Input_section_sort_entry.  Define
9451         Input_section_sort_compare.  Declare
9452         sort_attached_input_sections.  Add new fields:
9453         may_sort_attached_input_sections_,
9454         must_sort_attached_input_sections_,
9455         attached_input_sections_are_sorted_.
9456         * output.cc (Output_section::Output_section): Initialize new
9457         fields.
9458         (Output_section::add_input_section): Add an entry to
9459         input_sections_ if may_sort or must_sort are true.
9460         (Output_section::set_final_data_size): Call
9461         sort_attached_input_sections if necessary.
9462         (Output_section::Input_section_sort_entry): Define new class.
9463         (Output_section::Input_section_sort_compare::operator()): New
9464         function.
9465         (Output_section::sort_attached_input_sections): New function.
9466         * configure.ac: Check whether the compiler supports constructor
9467         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9468         * testsuite/initpri1.c: New file.
9469         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9470         CONSTRUCTOR_PRIORITY.
9471         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9472         (initpri1_LDFLAGS): New variable.
9473         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9475 2008-03-27  Ian Lance Taylor  <iant@google.com>
9477         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9478         * testsuite/common_test_1.c: New file.
9479         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9480         (common_test_1_SOURCES): New variable.
9481         (common_test_1_DEPENDENCIES): New variable.
9482         (common_test_1_LDFLAGS): New variable.
9484         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9485         and commons_ correctly when NAME/VERSION does not override
9486         NAME/NULL.
9487         * testsuite/ver_test_6.c: New file.
9488         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9489         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9490         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9492 2008-03-26  Ian Lance Taylor  <iant@google.com>
9494         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9495         of an undefined symbol from a version script.
9496         * testsuite/Makefile.am (ver_test_5.so): New target.
9497         (ver_test_5.o): New target.
9498         (check_SCRIPTS): Add ver_test_5.sh.
9499         (check_DATA): Add ver_test_5.syms.
9500         (ver_test_5.syms): New target.
9501         * testsuite/ver_test_5.cc: New file.
9502         * testsuite/ver_test_5.script: New file.
9503         * testsuite/ver_test_5.sh: New file.
9504         * Makefile.in, testsuite/Makefile.in: Rebuild.
9506         PR gold/5986
9507         Fix problems building gold with gcc 4.3.0.
9508         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9509         (gold_error_at_location, gold_warning_at_location): Use it.
9510         * configure.ac: Check whether we can compile and use a template
9511         function with a printf attribute.
9512         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9513         when jumping over bytes.
9514         * object.cc: Instantiate Object::read_section_data.
9515         * debug.h: Include <cstring>
9516         * dwarf_reader.cc: Include <algorithm>
9517         * main.cc: Include <cstring>.
9518         * options.cc: Include <cstring>.
9519         * output.cc: Include <cstring>.
9520         * script.cc: Include <cstring>.
9521         * script.h: Include <string>.
9522         * symtab.cc: Include <cstring> and <algorithm>.
9523         * target-select.cc: Include <cstring>.
9524         * version.cc: Include <string>.
9525         * testsuite/testmain.cc: Include <cstdlib>.
9526         * configure, config.in: Rebuild.
9528 2008-03-25  Ian Lance Taylor  <iant@google.com>
9530         * options.cc: Include "../bfd/bfdver.h".
9531         (options::help): Print bug reporting address.
9533         * version.cc (print_version): Adjust output for current value of
9534         BFD_VERSION_STRING.
9536         * NEWS: New file.
9538         * options.cc (options::help): Print list of supported targets.
9539         * target-select.h: Include <vector>.
9540         (class Target_selector): Make machine_, size_, and is_big_endian_
9541         fields const.  Add bfd_name_ and instantiated_target_ fields.
9542         (Target_selector::Target_selector): Add bfd_name parameter.
9543         (Target_selector::recognize): Make non-virtual, call
9544         do_recognize.
9545         (Target_selector::recognize_by_name): Make non-virtual, call
9546         do_recognize_by_name.
9547         (Target_selector::supported_names): New function.
9548         (Target_selector::bfd_name): New function.
9549         (Target_selector::do_instantiate_target): New pure virtual
9550         function.
9551         (Target_selector::do_recognize): New virtual function.
9552         (Target_selector::do_recognize_by_name): New virtual function.
9553         (Target_selector::instantiate_target): New private function.
9554         (supported_target_names): Declare.
9555         * target-select.cc (Target_selector::Target_selector): Update for
9556         new parameter and fields.
9557         (select_target_by_name): Check that the name matches before
9558         calling recognize_by_name.
9559         (supported_target_names): New function.
9560         * i386.cc (class Target_selector_i386): Update Target_selector
9561         constructor call.  Remove recognize and recognize_by_name.  Add
9562         do_instantiate_target.
9563         * x86_64.cc (class Target_selector_x86_64): Likewise.
9564         * testsuite/testfile.cc (class Target_selector_test): Update for
9565         changes to Target_selector.
9567         * README: Rewrite, with some notes on unsupported features.
9569 2008-03-24  Cary Coutant  <ccoutant@google.com>
9571         * i386.cc (Target_i386::Got_type): New enum declaration.
9572         (Target_i386::Scan::local): Updated callers of Output_data_got
9573         member functions.
9574         (Target_i386::Scan::global): Likewise.
9575         (Target_i386::Relocate::relocate): Likewise.
9576         (Target_i386::Relocate::relocate_tls): Likewise.
9577         * object.h (Got_offset_list): New class.
9578         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9579         (Sized_relobj::local_got_offset): Likewise.
9580         (Sized_relobj::set_local_got_offset): Likewise.
9581         (Sized_relobj::local_has_tls_got_offset): Removed.
9582         (Sized_relobj::local_tls_got_offset): Removed.
9583         (Sized_relobj::set_local_tls_got_offset): Removed.
9584         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9585         * output.cc (Output_data_got::add_global): Added got_type parameter.
9586         (Output_data_got::add_global_with_rel): Likewise.
9587         (Output_data_got::add_global_with_rela): Likewise.
9588         (Output_data_got::add_global_pair_with_rel): New function.
9589         (Output_data_got::add_global_pair_with_rela): New function.
9590         (Output_data_got::add_local): Added got_type parameter.
9591         (Output_data_got::add_local_with_rel): Likewise.
9592         (Output_data_got::add_local_with_rela): Likewise.
9593         (Output_data_got::add_local_pair_with_rel): New function.
9594         (Output_data_got::add_local_pair_with_rela): New function.
9595         (Output_data_got::add_global_tls): Removed.
9596         (Output_data_got::add_global_tls_with_rel): Removed.
9597         (Output_data_got::add_global_tls_with_rela): Removed.
9598         (Output_data_got::add_local_tls): Removed.
9599         (Output_data_got::add_local_tls_with_rel): Removed.
9600         (Output_data_got::add_local_tls_with_rela): Removed.
9601         * output.h (Output_data_got::add_global): Added got_type parameter.
9602         (Output_data_got::add_global_with_rel): Likewise.
9603         (Output_data_got::add_global_with_rela): Likewise.
9604         (Output_data_got::add_global_pair_with_rel): New function.
9605         (Output_data_got::add_global_pair_with_rela): New function.
9606         (Output_data_got::add_local): Added got_type parameter.
9607         (Output_data_got::add_local_with_rel): Likewise.
9608         (Output_data_got::add_local_with_rela): Likewise.
9609         (Output_data_got::add_local_pair_with_rel): New function.
9610         (Output_data_got::add_local_pair_with_rela): New function.
9611         (Output_data_got::add_global_tls): Removed.
9612         (Output_data_got::add_global_tls_with_rel): Removed.
9613         (Output_data_got::add_global_tls_with_rela): Removed.
9614         (Output_data_got::add_local_tls): Removed.
9615         (Output_data_got::add_local_tls_with_rel): Removed.
9616         (Output_data_got::add_local_tls_with_rela): Removed.
9617         * resolve.cc (Symbol::override_base_with_special): Removed
9618         reference to has_got_offset_ field.
9619         * symtab.cc (Symbol::init_fields): Replaced initialization
9620         of got_offset_ with got_offsets_.  Removed initialization
9621         of has_got_offset_
9622         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9623         (Symbol::got_offset): Likewise.
9624         (Symbol::set_got_offset): Likewise.
9625         (Symbol::has_tls_got_offset): Removed.
9626         (Symbol::tls_got_offset): Removed.
9627         (Symbol::set_tls_got_offset): Removed.
9628         (Symbol::got_offset_): Removed.
9629         (Symbol::tls_mod_got_offset_): Removed.
9630         (Symbol::tls_pair_got_offset_): Removed.
9631         (Symbol::got_offsets_): New field.
9632         (Symbol::has_got_offset): Removed.
9633         (Symbol::has_tls_mod_got_offset): Removed.
9634         (Symbol::has_tls_pair_got_offset): Removed.
9635         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9636         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9637         member functions.
9638         (Target_x86_64::Scan::global): Likewise.
9639         (Target_x86_64::Relocate::relocate): Likewise.
9640         (Target_x86_64::Relocate::relocate_tls): Likewise.
9642 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9644         * yyscript.y: Fix spelling error in comment.
9646 2008-03-24  Ian Lance Taylor  <iant@google.com>
9648         * options.h (class General_options): Define build_id option.
9649         * layout.h (class Layout): Declare write_build_id, create_note,
9650         create_build_id.  Add build_id_note_ member.
9651         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9652         "libiberty.h", "md5.h", "sha1.h".
9653         (Layout::Layout): Initialize eh_frame_data_,
9654         eh_frame_hdr_section_, and build_id_note_.
9655         (Layout::finalize): Call create_build_id.
9656         (Layout::create_note): New function, broken out of
9657         Layout::create_gold_note.
9658         (Layout::create_gold_note): Call create_note.
9659         (Layout::create_build_id): New function.
9660         (Layout::write_build_id): New function.
9661         (Close_task_runner::run): Call write_build_id.
9663         * x86_64.cc: Correct license to GPLv3.
9665 2008-03-23  Ian Lance Taylor  <iant@google.com>
9667         * options.cc: Include "demangle.h".
9668         (parse_optional_string): New function.
9669         (parse_long_option): Handle takes_optional_argument.
9670         (parse_short_option): Update dash_z initializer.  Handle
9671         takes_optional_argument.
9672         (General_options::General_options): Initialize do_demangle_.
9673         (General_options::finalize): Set do_demangle_.  Handle demangling
9674         style.
9675         * options.h (parse_optional_string): Declare.
9676         (struct One_option): Add optional_arg field.  Update constructor.
9677         Update call constructor calls.  Add takes_optional_argument
9678         function.
9679         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9680         (DEFINE_optional_string): Define.
9681         (General_options::demangle): Change from DEFINE_bool to
9682         DEFINE_optional_string.
9683         (General_options::no_demangle): New function.
9684         (General_options::do_demangle): New function.
9685         (General_options::set_do_demangle): New function.
9686         (General_options::execstack_status_): Move definition to end of
9687         class definition.
9688         (General_options::static_): Likewise.
9689         (General_options::do_demangle_): New field.
9690         * object.cc (big_endian>::get_symbol_location_info): Call
9691         Options::do_demangle, not Options::demangle.
9692         * symtab.cc (demangle): Likewise.
9694 2008-03-22  Ian Lance Taylor  <iant@google.com>
9696         * gold.h: Include <cstddef> and <sys/types.h>
9697         * options.h: Include <cstring>.
9699 2008-03-21  Ian Lance Taylor  <iant@google.com>
9701         * Added source code to GNU binutils.