2011-03-03 Michael Snyder <msnyder@vmware.com>
[binutils.git] / gold / ChangeLog
blob9ec596c7b7397420593ebb7728e9351eaa4192bd
1 2011-03-02  Cary Coutant  <ccoutant@google.com>
3         * testsuite/script_test_9.t: Add TLS segment.
5 2011-03-02  Simon Baldwin  <simonb@google.com>
7         * configure.ac: Add check for gnu_indirect_function support in
8         the toolchain building binutils.
9         * configure: Rebuild.
11 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
13         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
14         plugin only symbols.
15         (Symbol_table::sized_finalize_symbol) Mark symbol only present
16         in plugin files as not needed in the symbol table.
18 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
20         * output.cc (Output_section::add_input_section): Delay fill
21         generation for section ordering.
23 2011-02-09  Ian Lance Taylor  <iant@google.com>
25         PR gold/12316
26         * object.h (class Sized_relobj): Remove clear_local_symbols.
27         * reloc.cc (Sized_relobj::do_relocate): Don't call
28         clear_local_symbols.
30 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
32         * plugin.cc (is_visible_from_outside): Return true for symbols
33         in the -u option.
35 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
37         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
38         filename.
40 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
42         * icf.h (is_section_foldable_candidate): Change type of parameter
43         to std::string.
44         * icf.cc (Icf::find_identical_sections): Change type of local variable
45         section_name to be std::string.
46         (is_function_ctor_or_dtor): Change type of parameter to std::string.
48 2011-01-25  Ian Lance Taylor  <iant@google.com>
50         * script.cc (script_add_extern): Rewrite to use
51         add_symbol_reference.
53 2011-01-25  Doug Kwan  <dougkwan@google.com>
55         * icf.cc (get_section_contents): Always lock section's object.
57 2011-01-24  Ian Lance Taylor  <iant@google.com>
59         * options.h (class General_options): Accept
60         --no-detect-odr-violations.
62 2011-01-24  Ian Lance Taylor  <iant@google.com>
64         * version.cc (version_string): Bump to 1.11.
66 2011-01-24  Ian Lance Taylor  <iant@google.com>
68         * plugin.cc (class Plugin_rescan): Define new class.
69         (Plugin_manager::claim_file): Set any_claimed_.
70         (Plugin_manager::save_archive): New function.
71         (Plugin_manager::save_input_group): New function.
72         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
73         necessary.
74         (Plugin_manager::new_undefined_symbol): New function.
75         (Plugin_manager::rescan): New function.
76         (Plugin_manager::rescannable_defines): New function.
77         (Plugin_manager::add_input_file): Set any_added_.
78         * plugin.h (class Plugin_manager): define new fields rescannable_,
79         undefined_symbols_, any_claimed_, and any_added_.  Declare
80         Plugin_rescan as friend.  Declare new functions.
81         (Plugin_manager::Rescannable): Define type.
82         (Plugin_manager::Rescannable_list): Define type.
83         (Plugin_manager::Undefined_symbol_list): Define type.
84         (Plugin_manager::Plugin_manager): Initialize new fields.
85         * archive.cc (Archive::defines_symbol): New function.
86         (Add_archive_symbols::run): Pass archive to plugins if any.
87         * archive.h (class Archive): Declare defines_symbol.
88         * readsyms.cc (Input_group::~Input_group): New function.
89         (Finish_group::run): Pass input_group to plugins if any.
90         * readsyms.h (class Input_group): Declare destructor.
91         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
92         any.
94 2011-01-10  Ian Lance Taylor  <iant@google.com>
96         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
97         section as relro.
98         (Layout::set_segment_offsets): Reset increase_relro before calling
99         set_section_addresses a second time.
101 2011-01-04  Cary Coutant  <ccoutant@google.com>
103         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
104         sections before NOBITS sections.
106 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
108         * version.cc (print_version): Update copyright to 2011.
110 2010-12-23  Cary Coutant  <ccoutant@google.com>
112         * output.h (Output_data_reloc::add_output_section): Pass OD instead
113         of OS to this->add.  Add OD parameter to second form of the function.
115 2010-12-20  Ian Lance Taylor  <iant@google.com>
117         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
118         second of two consecutive entries with same offset.
120 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
122         * testsuite/Makefile.am (ifuncmain2static_LDADD)
123         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
124         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
125         to avoid unneeded links against $(LDADD).
126         * testsuite/Makefile.in: Regenerate.
128 2010-12-15  Ian Lance Taylor  <iant@google.com>
130         PR gold/12324
131         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
132         for R_X86_64_32 and R_X86_64_PC32.
133         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
134         ver_matching_def_pic.o.
135         (ver_matching_def_pic.o): New target.
137 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
139         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
140         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
141         Move definition before File_read::View member definitions.
142         (File_read::View::~View): Initialize and hold lock before
143         updating current_mapped_bytes.
145 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
147         * dwarf_reader.cc: Remove outdated comment.
148         * gold-threads.cc: Fix typo in error message.
149         * archive.cc: Fix typos in comments.
150         * archive.h: Likewise.
151         * arm-reloc-property.cc: Likewise.
152         * arm-reloc-property.h: Likewise.
153         * arm-reloc.def: Likewise.
154         * arm.cc: Likewise.
155         * attributes.h: Likewise.
156         * cref.cc: Likewise.
157         * ehframe.cc: Likewise.
158         * fileread.h: Likewise.
159         * gold.h: Likewise.
160         * i386.cc: Likewise.
161         * icf.cc: Likewise.
162         * incremental.h: Likewise.
163         * int_encoding.cc: Likewise.
164         * layout.h: Likewise.
165         * main.cc: Likewise.
166         * merge.h: Likewise.
167         * object.cc: Likewise.
168         * object.h: Likewise.
169         * options.cc: Likewise.
170         * readsyms.cc: Likewise.
171         * reduced_debug_output.cc: Likewise.
172         * reloc.cc: Likewise.
173         * script-sections.cc: Likewise.
174         * sparc.cc: Likewise.
175         * symtab.h: Likewise.
176         * target-reloc.h: Likewise.
177         * target.cc: Likewise.
178         * target.h: Likewise.
179         * timer.cc: Likewise.
180         * timer.h: Likewise.
181         * x86_64.cc: Likewise.
183 2010-12-09  Cary Coutant  <ccoutant@google.com>
185         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
186         stack.
187         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
188         parameter; change all callers.
189         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
190         * options.h (warn_execstack): New option.
192 2010-12-07  Doug Kwan  <dougkwan@google.com>
194         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
195         like function call relocations.
197 2010-12-07  Ian Lance Taylor  <iant@google.com>
199         * archive.cc (Archive::get_elf_object_for_member): Permit
200         punconfigured to be NULL.
201         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
202         (Archive::include_member): Pass NULL to get_elf_object_for_member
203         if we searched for the archive and this is the first included
204         object.
206 2010-12-01  Ian Lance Taylor  <iant@google.com>
208         * dwarf_reader.h (class Sized_dwarf_line_info): Add
209         track_relocs_type_ field.
210         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
211         Set track_relocs_type_.
212         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
213         contents when using RELA relocs.
214         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
215         reloc_map_.
216         * reloc.cc (Track_relocs::next_addend): New function.
217         * reloc.h (class Track_relocs): Declare next_addend.
219 2010-12-01  Ian Lance Taylor  <iant@google.com>
221         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
222         virtual destructor.
224 2010-12-01  Ian Lance Taylor  <iant@google.com>
226         * README: Update compilers known to work and fail.
228 2010-11-23  Matthias Klose  <doko@ubuntu.com>
230         * configure.in: For --enable-gold, handle value `default' instead of
231         `both*'.  Always install ld as ld.bfd, install as ld if gold is
232         not the default.
233         * configure: Regenerate.
235 2010-11-18  Doug Kwan  <dougkwan@google.com>
237         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
238         and right_alignment to be zero.  Store result alignment only if it is
239         greater than existing alignment.
241 2010-11-16  Cary Coutant  <ccoutant@google.com>
243         PR gold/12220
244         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
245         Check for ".zdebug_line".
247 2010-11-16  Doug Kwan  <dougkwan@google.com>
248             Cary Coutant  <ccoutant@google.com>
250         * output.h (Output_segment::set_section_addresses): Pass increase_relro
251         by reference; adjust all callers.
252         * output.cc (Output_segment::set_section_addresses): Adjust references
253         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
254         list is empty.
255         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
256         end at page boundary.
258 2010-11-16  Cary Coutant  <ccoutant@google.com>
260         PR gold/12220
261         * layout.cc (Layout::choose_output_section): Transform names of
262         compressed sections even when using a script with a SECTIONS clause.
263         (Layout::output_section_name): Remove code to transform
264         compressed debug section names.
265         * output.cc (Output_section::add_input_section): Use uncompressed
266         section size when tracking input sections.
268 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
270         * symtab.h (Symbol::NON_PIC_REF): Remove.
271         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
272         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
273         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
274         (Symbol::use_plt_offset): Take a flags argument and pass it
275         directly to needs_dynamic_reloc.  Restrict check for undefined
276         weak symbols to function calls.
277         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
278         (Target_arm::Scan::global): Use it.
279         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
280         (Target_arm::Relocate::relocate): Likewise.
281         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
282         parameter with an r_type parameter.  Use get_reference_flags
283         to get the flags.
284         (Target_arm::Relocate::relocate): Update accordingly.
285         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
286         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
287         (Target_i386::Scan::global): Likewise.
288         (Target_i386::Relocate::relocate): Likewise.
289         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
290         parameter with an r_type parameter.  Use get_reference_flags
291         to get the flags.
292         (Target_i386::Relocate::relocate): Update accordingly.
293         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
294         (Target_powerpc::Scan::global): Use it.
295         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
296         (Target_powerpc::Relocate::relocate): Likewise.
297         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
298         (Target_sparc::Scan::global): Use it.
299         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
300         (Target_sparc::Relocate::relocate): Likewise.
301         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
302         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
303         (Target_x86_64::Scan::global): Likewise.
304         (Target_x86_64::Relocate::relocate): Likewise.
306 2010-11-08  Doug Kwan  <dougkwan@google.com>
307             Cary Coutant  <ccoutant@google.com>
309         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
310         (Arm_exidx_merge_section::section_contents_): New data member.
311         (Arm_input_section::Arm_input_section): Initialize original_contents_.
312         (Arm_input_section::~Arm_input_section): De-allocate memory.
313         (Arm_input_section::original_contents_): New data member.       
314         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
315         in parameters instead of calling Object::section_contents without
316         locking.
317         (Arm_output_section::group_section): New parameter TASK.  Pass it
318         to callees that need locking objects.
319         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
320         to lock EXIDX input sections.  Fix a formatting issue.  Call
321         Arm_exidx_merged_section::build_contents to create merged section
322         contents.
323         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
324         to lock object of stub table owner.
325         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
326         TEXT_SIZE to initialize data member TEXT_SIZE_.
327         (Arm_exidx_input_section::addralign): Fix typo in comment.
328         (Arm_exidx_input_section::text_size): New method.
329         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
330         that require locking objects.  Lock objects before scanning for stubs
331         and updating local symbols.
332         (Arm_input_section<big_endian>::init): Copy contents of original
333         input section.
334         (Arm_input_section<big_endian>::do_write): Use saved contents of
335         original input section instead of calling Object::section_contents
336         without locking.
337         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
338         size without calling Object::section_size().
339         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
340         for size.  Allocate a buffer for merged EXIDX entries.
341         (Arm_exidx_merged_section::build_contents): New method.
342         (Arm_exidx_merged_section::do_write): Move merge section contents
343         building code to Arm_exidx_merged_section::build_contetns.  Write
344         out contetns in buffer instead of building it on the fly.
345         (Arm_relobj::make_exidx_input_section): Also pass text section size
346         to Arm_exidx_input_section constructor.
347         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
348         (Arm_dynobj::do_read_symbols): Fix memory leak.
349         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
350         * target.h: (class Task): Add forward declaration.
351         (Target::relax): Add new parameter TASK and pass it to
352         Target::do_relax().
353         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
355 2010-11-05  Cary Coutant  <ccoutant@google.com>
357         PR gold/10708
358         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
359         object when reading from the file.
360         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
361         second layout pass.
362         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
363         when reading section contents.
364         (get_section_contents): Likewise.
365         (icf::find_identical_sections): Likewise.
366         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
367         object when reading from the file.
368         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
369         the object when doing deferred section layout.
371 2010-11-03  Nick Clifton  <nickc@redhat.com>
373         PR gold/12001
374         * script.h (class Symbol_assignment: name): New member.  Returns
375         the name of the symbol.
376         * scrfipt.cc (Script_options::is_pending_assignment): New member.
377         Returns true if the given symbol name is on the list of
378         assignments wating to be processed.
379         * archive.cc (should_incldue_member): If the symbol is undefined,
380         check to see if it is on the list of symbols pending assignment.
382 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
384         * script-sections.cc (Script_sections::find_memory_region): Check
385         for a NULL output section pointer.
387 2010-10-29  Doug Kwan  <dougkwan@google.com>
389         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
390         Output_section::add_relaxed_input_section.
391         * output.cc (Output_section::add_relaxed_input_section): Add new
392         arguments LAYOUT and NAME.  Set section order index.
393         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
394         Copy section order index.
395         * output.h (Output_section::add_relaxed_input_section): Add new
396         arguments LAYOUT and NAME.
398 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
400         * testsuite/Makefile.am: Move gcctestdir/ld rule to
401         NATIVE_OR_CROSS_LINKER.
402         * testsuite/Makefile.in: Regenerate.
404 2010-10-20  Doug Kwan  <dougkwan@google.com>
406         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
407         without SHF_LINK_ORDER flags.
408         * layout.cc (Layout::choose_output_section): Do not filter
409         SHF_LINK_ORDER flag in a relocatable link.
411 2010-10-17  Cary Coutant  <ccoutant@google.com>
413         * output.h (Output_segment::set_section_addresses): Change function
414         signature.  Update all callers.
415         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
416         sections.
417         (Output_segment::set_section_addresses): Align after last TLS
418         section.  Add padding before last relro section instead of after.
420 2010-10-17  Doug Kwan  <dougkwan@google.com>
422         * gold/arm.cc (Target_arm::got_section): Use correct order and set
423         GOT output section to be writable.
425 2010-10-14  Cary Coutant  <ccoutant@google.com>
427         * debug.h (DEBUG_INCREMENTAL): New flag.
428         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
429         * gold.cc (queue_initial_tasks): Check parameters for incremental link
430         mode.
431         * incremental.cc (report_command_line): Ignore all forms of
432         --incremental.
433         * layout.cc (Layout::Layout): Check parameters for incremental link
434         mode.
435         * options.cc (General_options::parse_incremental): New function.
436         (General_options::parse_no_incremental): New function.
437         (General_options::parse_incremental_full): New function.
438         (General_options::parse_incremental_update): New function.
439         (General_options::incremental_mode_): New data member.
440         (General_options::finalize): Check incremental_mode_.
441         * options.h (General_options): Update help text for --incremental.
442         Add --no-incremental, --incremental-full, --incremental-update.
443         (General_options::Incremental_mode): New enum type.
444         (General_options::incremental_mode): New function.
445         (General_options::incremental_mode_): New data member.
446         * parameters.cc (Parameters::incremental_mode_): New data member.
447         (Parameters::set_options): Set incremental_mode_.
448         (Parameters::set_incremental_full): New function.
449         (Parameters::incremental): New function.
450         (Parameters::incremental_update): New function.
451         (set_parameters_incremental_full): New function.
452         * parameters.h (Parameters::set_incremental_full): New function.
453         (Parameters::incremental): New function.
454         (Parameters::incremental_update): New function.
455         (Parameters::incremental_mode_): New data member.
456         (set_parameters_incremental_full): New function.
457         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
458         incremental link mode.
459         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
460         (Sized_relobj::do_relocate_sections): Likewise.
461         * testsuite/Makefile.am (incremental_test): Use --incremental-full
462         option.
463         * testsuite/Makefile.in: Regenerate.
464         * testsuite/incremental_test.sh: Filter all forms of --incremental.
466 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
468         * script-sections.h (class Script_sections): Make
469         Sections_elements typedef public.
470         * script-sections.cc (class Sort_output_sections): Add elements_
471         field.  Add constructor which sets it; change all callers.
472         (Sort_output_sections::is_before): New function.
473         (Sort_output_sections::operator()): Call is_before.
474         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
475         conditional.
476         * testsuite/script_test_10.sh: New test. Test script section
477         order.
478         * testsuite/script_test_10.t: Likewise.
479         * testsuite/script_test_10.s: Likewise.
480         * testsuite/Makefile.am: Wrap the cross linker tests and the
481         common tests into NATIVE_OR_CROSS_LINKER.
482         (check_SCRIPTS): Add script_test_10.sh.
483         (check_DATA): Add script_test_10.stdout.
484         (script_test_10.o, script_test_10): New targets.
485         (script_test_10.stdout): New target.
486         * configure, testsuite/Makefile.in: Regenerate.
488 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
490         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
491         error for the deprecated relocations.
492         (Target_arm::Scan::global): Likewise.
493         (Target_arm::Relocate::relocate): Likewise.
495 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
497         * fileread.cc (Input_file::find_file): Initialize *found_name
498         and *namep when using the fallback search for case 4.
500 2010-10-11  Cary Coutant  <ccoutant@google.com>
502         * options.h (class General_options): Redefine -z lazy as an alias for
503         the negation of -z now.
505 2010-10-11  Ian Lance Taylor  <iant@google.com>
507         * resolve.cc (symbol_to_bits): Report the value of the unsupported
508         binding.
510 2010-10-06  Nick Clifton  <nickc@redhat.com>
512         * script-sections.cc(class Memory_region): Remove
513         current_lma_offset_ field.  Rename current_vma_offset_ to
514         current_offset_.  Add last_section_ field.
515         (Memory_region::get_current_vma_address): Rename to
516         get_current_address.
517         (Memory_region::get_current_lma_address): Delete.
518         (Memory_region::increment_vma_offset): Rename to
519         increment_offset.
520         (Memory_region::increment_lma_offset): Delete.
521         (Memory_region::attributes_compatible): New method.  Returns
522         true if the provided section is compatible with the region.
523         (Memory_region::get_last_section): New method.  Returns the last
524         section to use the region.
525         (Memory_region::set_last_section): New method.  Stores the last
526         section to use the region.
527         (Script_sections::block_in_region): New method.  Returns true if
528         a block of memory is contained within a region.
529         (Script_sections::find_memory_region): New method.  Locates a
530         memory region to be used to set a VMA or LMA address.
531         (Output_section_definition::set_section_addresses): Add code to
532         check for addresses set by memory regions.
533         (Output_segment::set_section_addresses): Remove memory region
534         walking code.
535         (Script_sections::create_segment): Add a warning if a header
536         segment is created outside of any region.
537         * script-sections.h (class Script_sections): Add prototypes for
538         find_memory_region and block_in_region methods.
539         * testsuite/memory_test.s: Use .long instead of .word.
540         * testsuite/memory_test.t: Add some more output sections.
541         * testsuite/memory_test.sh: Update expected output.
543 2010-10-02  Doug Kwan  <dougkwan@google.com>
545         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
546         defintion to symtab.h
547         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
548         declaration to defintion.
550 2010-10-01  Nick Clifton  <nickc@redhat.com>
552         * expression.cc (eval): Replace dummy argument with NULL.
553         (eval_maybe_dot): Check for a NULL result section pointer.
554         (Symbol_expression::value): Likewise.
555         (Dot_expression::value): Likewise.
556         (BINARY_EXPRESSION): Likewise.
557         (Max_expression::value): Likewise.
558         (Min_expression::value): Likewise.
559         (Absolute_expression::value): Likewise.
560         (Addr_expression::value_from_output_section): Likewise.
561         (Loaddddr_expression::value_from_output_section): Likewise.
562         (Segment_start_expression::value): Likewise.
563         * script-sections.cc
564         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
565         argument with NULL.
566         (Sections_elememt_dot_assignment::set_section_addresses):
567         Likewise.
568         (Output_data_expression::do_write_to_buffer): Likewise.
569         (Output_section_definition::finalize_symbols): Likewise.
570         (Output_section_definition::set_section_addresses): Likewise.
572 2010-09-30  Doug Kwan  <dougkwan@google.com>
574         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
576 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
578         * target.h (Target::can_icf_inline_merge_sections): New virtual
579         function.
580         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
581         virtual function.
582         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
583         virtual function.
584         * icf.cc (get_section_contents): Inline merge sections only when
585         target allows it.
587 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
589         * configure: Regenerate.
591 2010-09-17  Ian Lance Taylor  <iant@google.com>
593         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
594         * testsuite/Makefile.am (memory_test.o): New target.
595         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
596         memory_test.t.
597         * testsuite/Makefile.in: Rebuild.
599 2010-09-17  Doug Kwan  <dougkwan@google.com>
601         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
602         defintion if relocation uses GOT entries of the symbol.
603         * testsuite/icf_safe_test.sh: Fix test.
604         * testsuite/icf_safe_so_test.sh: Fix test.
606 2010-09-16  Cary Coutant  <ccoutant@google.com>
608         * script_sections.cc (class Memory_region): Remove "NULL" from
609         vector initializations.
611 2010-09-15  Cary Coutant  <ccoutant@google.com>
613         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
614         Resolve forwarding symbols.
616 2010-09-15  Doug Kwan  <dougkwan@google.com>
618         * gold/testsuite/script_test_3.t: Add ARM special sections.
619         * gold/testsuite/script_test_4.t: Same.
620         * gold/testsuite/script_test_5.t: Same.
621         * gold/testsuite/script_test_6.t: Same.
622         * gold/testsuite/script_test_7.t: Same.
623         * gold/testsuite/script_test_7.t: Same.
624         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
626 2010-09-14  Cary Coutant  <ccoutant@google.com>
628         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
629         (Target_x86_64::Relocate::relocate_tls): Replace check for
630         saw_tls_block_reloc_ with test for executable section.
632 2010-09-12  Cary Coutant  <ccoutant@google.com>
634         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
635         position-independent executables to shared libraries need dynamic
636         relocations.
637         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
638         position-independent executables.
639         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
640         * testsuite/Makefile.in: Regenerate.
642 2010-09-10  Nick Clifton  <nickc@redhat.com>
644         PR gold/11997
645         * testsuite/memory_test.t: Discard any sections that are not
646         needed.
648 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
650         PR gold/11996
651         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
652         "This::" to work around a bug in gcc 4.2.
654         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
656 2010-09-09  Rafael Espindola  <espindola@google.com>
658         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
659         sections with different PF_X flags in the same segment.
660         (Layout::find_first_load_seg): Search all segments to find the first
661         one.
662         * options.h (rosegment): New.
664 2010-09-08  Rafael Espindola  <espindola@google.com>
666         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
668 2010-09-08  Doug Kwan  <dougkwan@google.com>
670         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
671         (Arm_relobj::do_relocate_sections): Add new parameter for output
672         file to match the parent.
673         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
674         of local symbols instead of input values.  Update code to track
675         changes in gold::relocate_section.
676         * object.cc (Sized_relobj::compute_final_local_value): New methods.
677         (Sized_relobj::compute_final_local_value_internal): New methods.
678         (Sized_relobj::do_finalize_local_symbols): Move code from loop
679         body into private version of Sized_relobj::compute_final_local_value.
680         Call the inline method.
681         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
682         merged symbol value if there is one.
683         (Symbol_value::has_output_value): New method defintiion.
684         (Sized_relobj::Compute_final_local_value_status): New enum type.
685         (Sized_relobj::compute_final_local_value): New methods.
686         (Sized_relobj::compute_final_local_value_internal): New methods.
687         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
688         and arm_cortex_a8.sh.
689         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
690         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
691         New tests.
692         * Makefile.in: Regenerate.
693         * testsuite/arm_bl_out_of_range.s: Update test.
694         * testsuite/thumb_bl_out_of_range.s: Ditto.
695         * testsuite/thumb_blx_out_of_range.s: Ditto.
696         * testsuite/arm_branch_out_of_range.sh: New file.
697         * testsuite/arm_cortex_a8.sh: Ditto.
698         * testsuite/arm_cortex_a8_b.s: Ditto.
699         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
700         * testsuite/arm_cortex_a8_b_local.s: Ditto.
701         * testsuite/arm_cortex_a8_bl.s: Ditto.
702         * testsuite/arm_cortex_a8_blx.s: Ditto.
703         * testsuite/arm_cortex_a8_local.s: Ditto.
704         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
705         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
707 2010-09-08  Rafael Espindola  <espindola@google.com>
709         * Makefile.am (memory_test.stdout): Run readelf with -W.
710         * Makefile.in: Regenerate.
711         * testsuite/memory_test.sh: Make the regexps accept both 32 and
712         64 bit output.
714 2010-09-08  Rafael Espindola  <espindola@google.com>
716         * script-sections.cc (Script_sections::add_memory_region): Convert
717         field precision to int.
718         * script.cc (script_set_section_region, script_set_section_region):
719         Convert field precision to int.
721 2010-09-08  Rafael Espindola  <espindola@google.com>
723         * arm.cc (do_finalize_sections): Create the __exidx_start and
724         __exdix_end symbols even when the section is missing.
726 2010-09-08  Nick Clifton  <nickc@redhat.com>
728         * README: Remove claim that MEMORY is not supported.
729         * expression.cc (script_exp_function_origin)
730         (script_exp_function_length): Move from here to ...
731         * script.cc: ... here.
732         (script_set_section_region, script_add_memory)
733         (script_parse_memory_attr, script_include_directive): New
734         functions.
735         * script-sections.cc
736         (class Memory_region): New class.
737         (class Output_section_definition): Add set_memory_region,
738         set_section_vma, set_section_lma and get_section_name methods.
739         (class Script_Sections): Add add_memory_region,
740         find_memory_region, find_memory_region_origin,
741         find_memory_region_length and set_memory_region methods.
742         Have set_section_addresses method walk the list of set memory
743         regions.
744         Extend the print methos to display memory regions.
745         * script-sections.h: Add prototypes for new methods.
746         Add enum for MEMORY region attributes.
747         * yyscript.y: Add support for parsing MEMORY regions.
748         * script-c.h: Add prototypes for new functions.
749         * testsuite/Makefile.am: Add test of MEMORY region functionality.
750         * testsuite/Makefile.in: Regenerate.
751         * testsuite/memory_test.sh: New script.
752         * testsuite/memory_test.s: New assembler source file.
753         * testsuite/memory_test.t: New linker script.
755 2010-08-27  Doug Kwan  <dougkwan@google.com>
757         * gold/resolve.cc (Symbol_table::should_override): Let a weak
758         reference override an existing dynamic weak reference.
759         * testsuite/Makefile.am: Add new test dyn_weak_ref.
760         * testsuite/Makefile.in: Regenerate.
761         * testsuite/dyn_weak_ref.sh: New file.
762         * testsuite/dyn_weak_ref_1.c: Ditto.
763         * testsuite/dyn_weak_ref_2.c: Ditto.
765 2010-08-27  Ian Lance Taylor  <iant@google.com>
767         * incremental.h (class Incremental_input_entry): Add virtual
768         destructor.
770 2010-08-27  Ian Lance Taylor  <iant@google.com>
772         * testsuite/start_lib_test_3.c: Mark t3 as used.
774 2010-08-27  Nick Clifton  <nickc@redhat.com>
776         * options.cc (version_script): Fix small typo in previous
777         whitespace tidyup.
779 2010-08-25  Nick Clifton  <nickc@redhat.com>
781         * archive.cc: Formatting fixes: Remove whitespace between
782         typename and following asterisk.  Remove whitespace between
783         function name and opening parenthesis.
784         * archive.h: Likewise.
785         * arm.cc: Likewise.
786         * attributes.cc: Likewise.
787         * attributes.h: Likewise.
788         * common.cc: Likewise.
789         * copy-relocs.cc: Likewise.
790         * dirsearch.h: Likewise.
791         * dynobj.cc: Likewise.
792         * ehframe.cc: Likewise.
793         * ehframe.h: Likewise.
794         * expression.cc: Likewise.
795         * fileread.cc: Likewise.
796         * fileread.h: Likewise.
797         * gc.h: Likewise.
798         * gold-threads.cc: Likewise.
799         * gold.cc: Likewise.
800         * i386.cc: Likewise.
801         * icf.h: Likewise.
802         * incremental-dump.cc: Likewise.
803         * incremental.cc: Likewise.
804         * layout.cc: Likewise.
805         * layout.h: Likewise.
806         * main.cc: Likewise.
807         * merge.cc: Likewise.
808         * merge.h: Likewise.
809         * object.cc: Likewise.
810         * object.h: Likewise.
811         * options.cc: Likewise.
812         * options.h: Likewise.
813         * output.cc: Likewise.
814         * output.h: Likewise.
815         * plugin.cc: Likewise.
816         * plugin.h: Likewise.
817         * powerpc.cc: Likewise.
818         * reloc.cc: Likewise.
819         * script-c.h: Likewise.
820         * script-sections.cc: Likewise.
821         * script.cc: Likewise.
822         * stringpool.cc: Likewise.
823         * symtab.cc: Likewise.
824         * symtab.h: Likewise.
825         * target.cc: Likewise.
826         * timer.cc: Likewise.
827         * timer.h: Likewise.
828         * version.cc: Likewise.
829         * x86_64.cc: Likewise.
831 2010-08-24  Nick Clifton  <nickc@redhat.com>
833         PR 11899
834         * layout.cc (segment_precedes): Sort segments by their physical
835         addresses, if they have been set.
837 2010-08-23  Cary Coutant  <ccoutant@google.com>
839         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
840         symbols data.
841         (Lib_group::include_member): Unlock object after deleting its
842         symbols data.
843         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
844         the bug fixed here.
846 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
847             Cary Coutant  <ccoutant@google.com>
849         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
850         constructor, and set_blocker.
851         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
852         readsyms_blocker_.
853         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
854         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
855         * testsuite/Makefile.am (start_lib_test): New test case.
856         * testsuite/Makefile.in: Regenerate.
857         * testsuite/start_lib_test_main.c: New file.
858         * testsuite/start_lib_test_1.c: New file.
859         * testsuite/start_lib_test_2.c: New file.
860         * testsuite/start_lib_test_3.c: New file.
862 2010-08-19  Ian Lance Taylor  <iant@google.com>
864         * Makefile.in: Rebuild with automake 1.11.1.
865         * aclocal.m4: Likewise.
866         * testsuite/Makefile.in: Likewise.
868 2010-08-19  Ian Lance Taylor  <iant@google.com>
870         PR 10893
871         * i386.cc (class Output_data_plt_i386): Update declarations.
872         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
873         local_ifuncs_ fields.
874         (Target_i386::do_plt_section_for_global): New function.
875         (Target_i386::do_plt_section_for_local): New function.
876         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
877         parameter; change all callers.  Initialize global_ifuncs_ and
878         local_ifuncs_.  If doing a static link define __rel_iplt_start and
879         __rel_iplt_end.
880         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
881         (Output_data_plt_i386::add_local_ifunc_entry): New function.
882         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
883         symbols.
884         (Target_i386::make_plt_section): New function, broken out of
885         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
886         (Target_i386::make_plt_entry): Call make_plt_section.
887         (Target_i386::make_local_ifunc_plt_entry): New function.
888         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
889         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
890         R_386_IRELATIVE to switch.
891         (Target_i386::Scan::global): Likewise.
892         (Target_i386::Relocate::relocate): Likewise.
893         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
894         switch.
895         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
896         (Target_x86_64::do_plt_section_for_global): New function.
897         (Target_x86_64::do_plt_section_for_local): New function.
898         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
899         parameter; change all callers.  If doing a static link define
900         __rela_iplt_start and __rela_iplt_end.
901         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
902         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
903         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
904         to point to .plt.
905         (Target_x86_64::make_local_ifunc_plt_entry): New function.
906         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
907         switch.
908         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
909         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
910         R_X86_64_IRELATIVE to switch.
911         (Target_x86_64::Scan::global): Likewise.
912         (Target_x86_64::Relocate::relocate): Likewise.
913         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
914         switch.
915         * target.h (class Target): Add plt_section_for_global and
916         plt_section_for_local functions.  Add do_plt_section_for_global
917         and do_plt_section_for_local virtual functions.
918         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
919         clarifying comments.
920         (Symbol::use_plt_offset): Handle IFUNC symbol.
921         * object.cc (Sized_relobj::Sized_relobj): Initialize
922         local_plt_offsets_.
923         (Sized_relobj::local_has_plt_offset): New function.
924         (Sized_relobj::local_plt_offset): New function.
925         (Sized_relobj::set_local_plt_offset): New function.
926         (Sized_relobj::do_count): Handle IFUNC symbol.
927         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
928         a bit away from input_shndx_ field.  Add set_is_func_symbol and
929         is_ifunc_symbol functions.
930         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
931         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
932         local_plt_offsets_ field.
933         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
934         * output.h (class Output_section_data): Add non-const
935         output_section function.
936         (class Output_data_got): Update declarations.
937         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
938         Add use_plt_offset parameter to global and local constructors.
939         Change all callers.  Change local_sym_index_ field to 31 bits.
940         Change GSYM_CODE and CONSTANT_CODE accordingly.
941         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
942         doing a static link don't set sh_link field.
943         (Output_data_got::Got_entry::write): Use PLT offset if
944         appropriate.
945         (Output_data_got::add_global_plt): New function.
946         (Output_data_got::add_local_plt): New function.
947         * target-reloc.h (relocate_section): Handle IFUNC symbol.
948         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
949         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
950         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
951         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
952         IFUNC conditional.
953         * testsuite/ifunc-sel.h: New file.
954         * testsuite/ifuncmain1.c: New file.
955         * testsuite/ifuncmain1vis.c: New file.
956         * testsuite/ifuncmod1.c: New file.
957         * testsuite/ifuncdep2.c: New file.
958         * testsuite/ifuncmain2.c: New file.
959         * testsuite/ifuncmain3.c: New file.
960         * testsuite/ifuncmod3.c: New file.
961         * testsuite/ifuncmain4.c: New file.
962         * testsuite/ifuncmain5.c: New file.
963         * testsuite/ifuncmod5.c: New file.
964         * testsuite/ifuncmain6pie.c: New file.
965         * testsuite/ifuncmod6.c: New file.
966         * testsuite/ifuncmain7.c: New file.
967         * configure, testsuite/Makefile.in: Rebuild.
969 2010-08-18  Ian Lance Taylor  <iant@google.com>
971         * incremental.cc
972         (Output_section_incremental_inputs::write_input_files): Add cast
973         to avoid signed/unsigned comparison warning.
974         (Output_section_incremental_inputs::write_info_blocks): Likewise.
976 2010-08-12  Cary Coutant  <ccoutant@google.com>
978         * common.cc (Sort_commons::operator()): Remove unnecessary code.
980 2010-08-13  Ian Lance Taylor  <iant@google.com>
982         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
984 2010-08-12  Cary Coutant  <ccoutant@google.com>
985             Doug Kwan  <dougkwan@google.com>
987         * resolve.cc (Symbol_table::should_override): When a weak dynamic
988         defintion overrides non-weak undef, remember that the original undef
989         is not weak.
990         * symtab.cc (Symbol_table::sized_write_global): For undef without
991         an original weak binding, set binding to global in output.
992         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
993         * testsuite/Makefile.in: Regenerate.
994         * testsuite/strong_ref_weak_def.sh: New file.
995         * testsuite/strong_ref_weak_def_1.c: Ditto.
996         * testsuite/strong_ref_weak_def_2.c: Ditto.
998 2010-08-12  Cary Coutant  <ccoutant@google.com>
1000         * testsuite/incremental_test.sh: Rewrite.
1001         * testsuite/incremental_test_1.c: Rewrite.
1002         * testsuite/incremental_test_2.c: Rewrite.
1004 2010-08-12  Cary Coutant  <ccoutant@google.com>
1006         * arm.cc (Target_arm::got_size): Add const.
1007         (Target_arm::got_entry_count): New function.
1008         (Target_arm::plt_entry_count): New function.
1009         (Target_arm::first_plt_entry_offset): New function.
1010         (Target_arm::plt_entry_size): New function.
1011         (Output_data_plt_arm::entry_count): New function.
1012         (Output_data_plt_arm::first_plt_entry_offset): New function.
1013         (Output_data_plt_arm::get_plt_entry_size): New function.
1014         * i386.cc (Target_i386::got_size): Add const.
1015         (Target_i386::got_entry_count): New function.
1016         (Target_i386::plt_entry_count): New function.
1017         (Target_i386::first_plt_entry_offset): New function.
1018         (Target_i386::plt_entry_size): New function.
1019         (Output_data_plt_i386::entry_count): New function.
1020         (Output_data_plt_i386::first_plt_entry_offset): New function.
1021         (Output_data_plt_i386::get_plt_entry_size): New function.
1022         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
1023         find_incremental_inputs_sections.  Dump incremental_got_plt section.
1024         * incremental.cc: Include target.h.
1025         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
1026         parameter.  Adjust all callers.  Find incremental_got_plt section.
1027         (Incremental_inputs::create_data_sections): Create incremental_got_plt
1028         section.
1029         (Output_section_incremental_inputs::set_final_data_size): Calculate
1030         size of incremental_got_plt section.
1031         (Output_section_incremental_inputs::do_write): Write the
1032         incremental_got_plt section.
1033         (Got_plt_view_info): New struct.
1034         (Local_got_offset_visitor): New class.
1035         (Global_got_offset_visitor): New class.
1036         (Global_symbol_visitor_got_plt): New class.
1037         (Output_section_incremental_inputs::write_got_plt): New function.
1038         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
1039         Add parameter.  Adjust all callers.
1040         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1041         (Incremental_inputs::got_plt_section): New function.
1042         (Incremental_inputs::got_plt_section_): New data member.
1043         (Incremental_got_plt_reader): New class.
1044         * layout.cc (Layout::create_incremental_info_sections): Add the
1045         incremental_got_plt section.
1046         * object.h (Got_offset_list::get_list): New function.
1047         (Got offset_list::for_all_got_offsets): New function.
1048         (Sized_relobj::local_got_offset_list): New function.
1049         * powerpc.cc (Target_powerpc::got_size): Add const.
1050         (Target_powerpc::got_entry_count): New function.
1051         (Target_powerpc::plt_entry_count): New function.
1052         (Target_powerpc::first_plt_entry_offset): New function.
1053         (Target_powerpc::plt_entry_size): New function.
1054         (Output_data_plt_powerpc::entry_count): New function.
1055         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
1056         (Output_data_plt_powerpc::get_plt_entry_size): New function.
1057         * sparc.cc (Target_sparc::got_size): Add const.
1058         (Target_sparc::got_entry_count): New function.
1059         (Target_sparc::plt_entry_count): New function.
1060         (Target_sparc::first_plt_entry_offset): New function.
1061         (Target_sparc::plt_entry_size): New function.
1062         (Output_data_plt_sparc::entry_count): New function.
1063         (Output_data_plt_sparc::first_plt_entry_offset): New function.
1064         (Output_data_plt_sparc::get_plt_entry_size): New function.
1065         * symtab.h (Symbol::got_offset_list): New function.
1066         (Symbol_table::for_all_symbols): New function.
1067         * target.h (Sized_target::got_entry_count): New function.
1068         (Sized_target::plt_entry_count): New function.
1069         (Sized_target::plt_entry_size): New function.
1070         * x86_64.cc (Target_x86_64::got_size): Add const.
1071         (Target_x86_64::got_entry_count): New function.
1072         (Target_x86_64::plt_entry_count): New function.
1073         (Target_x86_64::first_plt_entry_offset): New function.
1074         (Target_x86_64::plt_entry_size): New function.
1075         (Output_data_plt_x86_64::entry_count): New function.
1076         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
1077         (Output_data_plt_x86_64::get_plt_entry_size): New function.
1079 2010-08-12  Cary Coutant  <ccoutant@google.com>
1081         * archive.cc: Include incremental.h.
1082         (Archive::Archive): Initialize incremental_info_.
1083         (Archive::include_member): Record archive members in incremental info.
1084         (Add_archive_symbols::run): Record begin and end of an archive in
1085         incremental info.
1086         (Lib_group::include_member): Record objects in incremental info.
1087         * archive.h (Incremental_archive_entry): Forward declaration.
1088         (Archive::set_incremental_info): New member function.
1089         (Archive::incremental_info): New member function.
1090         (Archive::Unused_symbol_iterator): New class.
1091         (Archive::unused_symbols_begin): New member function.
1092         (Archive::unused_symbols_end): New member function.
1093         (Archive::incremental_info_): New data member.
1094         * incremental-dump.cc (find_input_containing_global): New function.
1095         (dump_incremental_inputs): Dump new incremental info sections.
1096         * incremental.cc: Include symtab.h.
1097         (Output_section_incremental_inputs): New class.
1098         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
1099         new incremental info sections.
1100         (Sized_incremental_binary::do_check_inputs): Likewise.
1101         (Incremental_inputs::report_archive): Remove.
1102         (Incremental_inputs::report_archive_begin): New function.
1103         (Incremental_inputs::report_archive_end): New function.
1104         (Incremental_inputs::report_object): New function.
1105         (Incremental_inputs::finalize_inputs): Remove.
1106         (Incremental_inputs::report_input_section): New function.
1107         (Incremental_inputs::report_script): Rewrite.
1108         (Incremental_inputs::finalize): Do nothing but finalize string table.
1109         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1110         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1111         (Incremental_inputs::create_data_sections): New function.
1112         (Incremental_inputs::relocs_entsize): New function.
1113         (Output_section_incremental_inputs::set_final_data_size): New function.
1114         (Output_section_incremental_inputs::do_write): New function.
1115         (Output_section_incremental_inputs::write_header): New function.
1116         (Output_section_incremental_inputs::write_input_files): New function.
1117         (Output_section_incremental_inputs::write_info_blocks): New function.
1118         (Output_section_incremental_inputs::write_symtab): New function.
1119         * incremental.h (Incremental_script_entry): Forward declaration.
1120         (Incremental_object_entry): Forward declaration.
1121         (Incremental_archive_entry): Forward declaration.
1122         (Incremental_inputs): Forward declaration.
1123         (Incremental_inputs_header_data): Remove.
1124         (Incremental_inputs_header): Remove.
1125         (Incremental_inputs_header_write): Remove.
1126         (Incremental_inputs_entry_data): Remove.
1127         (Incremental_inputs_entry): Remove.
1128         (Incremental_inputs_entry_write): Remove.
1129         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
1130         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
1131         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1132         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
1133         Likewise.
1134         (Incremental_input_entry): New class.
1135         (Incremental_script_entry): New class.
1136         (Incremental_object_entry): New class.
1137         (Incremental_archive_entry): New class.
1138         (Incremental_inputs::Incremental_inputs): Initialize new data members.
1139         (Incremental_inputs::report_inputs): Remove.
1140         (Incremental_inputs::report_archive): Remove.
1141         (Incremental_inputs::report_archive_begin): New function.
1142         (Incremental_inputs::report_archive_end): New function.
1143         (Incremental_inputs::report_object): Change prototype.
1144         (Incremental_inputs::report_input_section): New function.
1145         (Incremental_inputs::report_script): Change prototype.
1146         (Incremental_inputs::get_reloc_count): New function.
1147         (Incremental_inputs::set_reloc_count): New function.
1148         (Incremental_inputs::create_data_sections): New function.
1149         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1150         (Incremental_inputs::inputs_section): New function.
1151         (Incremental_inputs::symtab_section): New function.
1152         (Incremental_inputs::relocs_section): New function.
1153         (Incremental_inputs::get_stringpool): Add const.
1154         (Incremental_inputs::command_line): Add const.
1155         (Incremental_inputs::inputs): Remove.
1156         (Incremental_inputs::command_line_key): New function.
1157         (Incremental_inputs::input_file_count): New function.
1158         (Incremental_inputs::input_files): New function.
1159         (Incremental_inputs::relocs_entsize): New function.
1160         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1161         (Incremental_inputs::finalize_inputs): Remove.
1162         (Incremental_inputs::Input_info): Remove.
1163         (Incremental_inputs::lock_): Remove.
1164         (Incremental_inputs::inputs_): Change type.
1165         (Incremental_inputs::inputs_map_): Remove.
1166         (Incremental_inputs::current_object_entry_): New data member.
1167         (Incremental_inputs::inputs_section_): New data member.
1168         (Incremental_inputs::symtab_section_): New data member.
1169         (Incremental_inputs::relocs_section_): New data member.
1170         (Incremental_inputs::reloc_count_): New data member.
1171         (Incremental_inputs_reader): New class.
1172         (Incremental_symtab_reader): New class.
1173         (Incremental_relocs_reader): New class.
1174         * layout.cc (Layout::finalize): Move finalization of incremental info
1175         and creation of incremental info sections to follow finalization of
1176         symbol table.  Set offsets for postprocessing sections.
1177         (Layout::create_incremental_info_sections): Call
1178         Incremental_inputs::create_data_sections.  Add incremental symtab
1179         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
1180         sections to layout after input sections.
1181         * layout.h (struct Timespec): Forward declaration.
1182         (Layout::incremental_inputs): Add const.
1183         (Layout::create_incremental_info_sections): Add parameter.
1184         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
1185         * object.cc: Include incremental.h.
1186         (Relobj::finalize_incremental_relocs): New function.
1187         (Sized_relobj::do_layout): Record input sections in incremental info.
1188         * object.h (Object::output_section): New function.
1189         (Object::output_section_offset): Moved from Relobj.
1190         (Object::get_incremental_reloc_base): New function.
1191         (Object::get_incremental_reloc_count): New function.
1192         (Object::do_output_section): New function.
1193         (Object::do_output_section_offset): Moved from Relobj.
1194         (Object::do_get_incremental_reloc_base): New function.
1195         (Object::do_get_incremental_reloc_count): New function.
1196         (Object::Object): Initialize new data members.
1197         (Relobj::output_section): Renamed do_output_section and moved to
1198         protected.
1199         (Relobj::output_section_offset): Moved to Object.
1200         (Relobj::do_get_incremental_reloc_base): New function.
1201         (Relobj::do_get_incremental_reloc_count): New function.
1202         (Relobj::allocate_incremental_reloc_counts): New function.
1203         (Relobj::count_incremental_reloc): New function.
1204         (Relobj::finalize_incremental_relocs): New function.
1205         (Relobj::next_incremental_reloc_index): New function.
1206         (Relobj::reloc_counts_): New data member.
1207         (Relobj::reloc_bases_): New data member.
1208         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1209         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1210         (Sized_relobj::incremental_relocs_scan): New function.
1211         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1212         (Sized_relobj::incremental_relocs_write): New function.
1213         (Sized_relobj::incremental_relocs_write_reltype): New function.
1214         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1215         incremental link.
1216         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1217         archives and object files elsewhere.
1218         (Add_symbols::run): Report object files here.
1219         (Finish_group::run): Report end of archive at end of group.
1220         * reloc.cc: Include layout.h, incremental.h.
1221         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1222         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1223         (Sized_relobj::incremental_relocs_scan): New function.
1224         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1225         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1226         (Sized_relobj::incremental_relocs_write): New function.
1227         (Sized_relobj::incremental_relocs_write_reltype): New function.
1228         * script.cc (read_input_script): Rewrite test for incremental link.
1229         Change call to Incremental_inputs::report_script.
1230         * symtab.h (Symbol_table::first_global_index): New function.
1231         (Symbol_table::output_count): New function.
1233 2010-08-12  Doug Kwan  <dougkwan@google.com>
1235         * arm.cc (Target_arm::merge_object_attributes): Check command line
1236         options --no-wchar-size-warning and --no-enum-size-warning.
1237         * options.h (General_options): Add ld-compatible options
1238         --no-enum-size-warning and --no-wchar-size-warning.
1240 2010-08-04  Ian Lance Taylor  <iant@google.com>
1242         * x86_64.cc (Target_x86_64::Scan::local): Use
1243         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1244         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1245         (Target_x86_64::Scan::global): Likewise.
1246         (Target_x86_64::Relocate::relocate): Likewise.
1247         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1248         Likewise.
1250 2010-08-03  Cary Coutant  <ccoutant@google.com>
1252         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1253         to reserve space in merged_strings vector. Keep total input size
1254         for stats.
1255         (Output_merge_string::do_print_merge_stats): Print total input size.
1256         * merge.h (Output_merge_string): Add input_size_ field.
1257         * stringpool.cc (Stringpool_template::string_length): Move
1258         implementations out of Stringpool_template class and place in
1259         stringpool.h.
1260         * stringpool.h (string_length): Move out of Stringpool_template.
1262 2010-08-03  Ian Lance Taylor  <iant@google.com>
1264         PR 11712
1265         * layout.cc (relaxation_loop_body): If address of load segment is
1266         set, adjust address to include headers if possible.
1268 2010-08-03  Ian Lance Taylor  <iant@google.com>
1270         * version.cc (version_string): Bump to 1.10.
1272 2010-08-03  Ian Lance Taylor  <iant@google.com>
1274         PR 11805
1275         * layout.h (enum Output_section_order): Define.
1276         (class Layout): Update declarations.
1277         * layout.cc (Layout::get_output_section): Add order parameter.
1278         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1279         is_first_non_relro parameters.  Change all callers.
1280         (Layout::choose_output_section): Likewise.
1281         (Layout::add_output_section_data): Likewise.
1282         (Layout::make_output_section): Likewise.  Set order.
1283         (Layout::default_section_order): New function.
1284         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1285         * output.cc (Output_section::Output_section): Initialize order_.
1286         Don't initialize deleted fields.
1287         (Output_segment::Output_segment): Don't initialize deleted
1288         fields.
1289         (Output_segment::add_output_section_to_load): New function
1290         replacing add_output_section.  Change all callers to call this or
1291         add_output_section_to_nonload.
1292         (Output_segment::add_output_section_to_nonload): New function.
1293         (Output_segment::remove_output_section): Rewrite.
1294         (Output_segment::add_initial_output_data): Likewise.
1295         (Output_segment::has_any_data_sections): Likewise.
1296         (Output_segment::is_first_section_relro): Likewise.
1297         (Output_segment::maximum_alignment): Likewise.
1298         (Output_segment::has_dynamic_reloc): New function replacing
1299         dynamic_reloc_count.  Change all callers.
1300         (Output_segment::has_dynamic_reloc_list): New function replacing
1301         dynamic_reloc_count_list.  Change all callers.
1302         (Output_segment::set_section_addresses): Rewrite.
1303         (Output_segment::set_offset): Rewrite.
1304         (Output_segment::find_first_and_last_list): Remove.
1305         (Output_segment::set_tls_offsets): Rewrite.
1306         (Output_segment::first_section_load_address): Likewise.
1307         (Output_segment::output_section_count): Likewise.
1308         (Output_segment::section_with_lowest_load_address): Likewise.
1309         (Output_segment::write_section_headers): Likewise.
1310         (Output_segment::print_sections_to_map): Likewise.
1311         * output.h (class Output_data): Remove dynamic_reloc_count_
1312         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
1313         (Output_data::add_dynamic_reloc): Rewrite.
1314         (Output_data::has_dynamic_reloc): New function.
1315         (Output_data::dynamic_reloc_count): Remove.
1316         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
1317         is_last_relro_, is_first_non_relro_, is_interp_,
1318         is_dynamic_linker_section_ fields.  Add order and set_order
1319         functions.  Remove is_relro_local, set_is_relro_local,
1320         is_last_relro, set_is_last_relro, is_first_non_relro,
1321         set_is_first_non_relro functions, is_interp, set_is_interp,
1322         is_dynamic_linker_section, and set_is_dynamic_linker_section
1323         functions.
1324         (class Output_segment): Change Output_data_list from std::list to
1325         std:;vector.  Add output_lists_ field.  Remove output_data_ and
1326         output_bss_ fields.  Update declarations.
1328 2010-08-02  Ian Lance Taylor  <iant@google.com>
1330         * arm.cc (Target_arm::gc_process_relocs): Use typename.
1331         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
1332         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
1334 2010-08-02  Ian Lance Taylor  <iant@google.com>
1336         PR 11855
1337         * script.cc (Script_options::Script_options): Initialize
1338         symbol_definitions_ and symbol_references_.
1339         (Script_options::add_symbol_assignment): Update
1340         symbol_definitions_ and symbol_references_.
1341         (Script_options::add_symbol_reference): New function.
1342         (script_symbol): New function.
1343         * script.h (class Script_options): Add symbol_definitions_ and
1344         symbol_references_ fields.
1345         (Script_options::referenced_const_iterator): New type.
1346         (Script_options::referenced_begin): New function.
1347         (Script_options::referenced_end): New function.
1348         (Script_options::is_referenced): New function.
1349         (Script_options::any_unreferenced): New function.
1350         * script-c.h (script_symbol): Declare.
1351         * yyscript.y (exp): Call script_symbol.
1352         * symtab.cc: Include "script.h".
1353         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
1354         Change all callers.  Check symbols referenced by scripts.
1355         (Symbol_table::add_undefined_symbols_from_command_line): Add
1356         layout parameter.  Change all callers.
1357         (Symbol_table::do_add_undefined_symbols_from_command_line):
1358         Likewise.  Break out loop body.  Check symbols referenced by
1359         scripts.
1360         (Symbol_table::add_undefined_symbol_from_command_line): New
1361         function broken out of
1362         do_add_undefined_symbols_from_command_line.
1363         * symtab.h (class Symbol_table): Update declarations.
1364         * archive.cc: Include "layout.h".
1365         (Archive::should_include_member): Add layout parameter.  Change
1366         all callers.  Check for symbol mentioned in expression.
1367         * archive.h (class Archive): Update declaration.
1368         * object.cc (Sized_relobj::do_should_include_member): Add layout
1369         parameter.
1370         * object.h (Object::should_include_member): Add layout parameter.
1371         Change all callers.
1372         (Object::do_should_include_member): Add layout parameter.
1373         (class Sized_relobj): Update declaration.
1374         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
1375         parameter.
1376         * dynobj.h (class Sized_dynobj): Update declaration.
1377         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
1378         layout parameter.
1379         * plugin.h (class Sized_pluginobj): Update declaration.
1381 2010-08-02  Ian Lance Taylor  <iant@google.com>
1383         PR 11866
1384         * output.cc (Output_segment::set_offset): Search for the first and
1385         last sections rather than assuming that the list is in order.
1386         (Output_segment::find_first_and_last_list): New function.
1387         * output.h (class Output_segment): Update declarations.
1388         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
1389         (relro_strip_test_SOURCES): New variable.
1390         (relro_strip_test_DEPENDENCIES): New variable.
1391         (relro_strip_test_LDFLAGS): New variable.
1392         (relro_strip_test_LDADD): New variable.
1393         (relro_strip_test.so): New target.
1395 2010-08-02  Ian Lance Taylor  <iant@google.com>
1397         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
1398         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
1399         (Target_i386::got_tlsdesc_section): New function.
1400         (Target_i386::got_section): Create space for GOT entries for
1401         TLSDESC relocations.
1402         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
1403         R_386_TLS_GOTDESC.
1404         (Target_i386::Scan::global): Likewise.
1405         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
1406         using TLSDESC GOT.
1407         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
1408         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
1409         (Target_x86_64::got_tlsdesc_section): New function.
1410         (Target_x86_64::got_section): Create space for GOT entries for
1411         TLSDESC relocations.
1412         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
1413         R_386_TLS_GOTDESC.
1414         (Target_x86_64::Scan::global): Likewise.
1415         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
1416         using TLSDESC GOT.
1418 2010-08-02  Ian Lance Taylor  <iant@google.com>
1420         * testsuite/final_layout.sh: Use dc to convert from hex to
1421         decimal.
1423 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
1425         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
1426         paramter to the call to gold::gc_process_relocs.
1427         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
1428         paramter to the call to gold::gc_process_relocs.
1429         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
1430         parameter to the call to gold::gc_process_relocs.
1431         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
1432         template parameter to the call to gold::gc_process_relocs.
1433         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
1434         paramter to the call to gold::gc_process_relocs.
1435         * gc.h (get_embedded_addend_size): New function.
1436         (gc_process_relocs): Save the size of the reloc for use by ICF.
1437         * icf.cc (get_section_contents): Get the addend from the text section
1438         for SHT_REL relocation sections.
1439         * icf.h (Icf::Reloc_addend_size_info): New typedef.
1440         (Icf::Reloc_info): Add new member reloc_addend_size_info.
1441         * int_encoding.h (read_from_pointer): New overloaded function.
1442         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
1443         * testsuite/icf_sht_rel_addend_test.sh: New file.
1444         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
1445         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
1447 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1449         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
1450         * Makefile.in: Regenerate.
1451         * testsuite/Makefile.in: Regenerate.
1453 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
1455         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
1456         * gold/testsuite/debug_msg.cc: Likewise.
1457         * gold/testsuite/odr_violation1.cc
1458         * gold/testsuite/odr_violation2.cc
1460 2010-07-21  Cary Coutant  <ccoutant@google.com>
1462         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
1463         string, and length fields.
1464         (Output_merge_string::Merged_strings_list): New type.
1465         (Output_merge_string::Merged_strings_lists): New typedef.
1466         (Output_merge_string): Replace merged_strings_ with
1467         merged_strings_lists_.
1468         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1469         Merged_strings_list per input object and section.  Don't store pointer
1470         to the string.  Don't store length with each merged string entry.
1471         (Output_merge_string::finalize_merged_data): Loop over list of merged
1472         strings lists.  Recompute length of each merged string.
1474 2010-07-15  Cary Coutant  <ccoutant@google.com>
1476         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1477         here.
1479 2010-07-14  Ian Lance Taylor  <iant@google.com>
1481         * descriptors.cc (Descriptors::open): Report correct name in error
1482         message.
1484 2010-07-13  Doug Kwan  <dougkwan@google.com>
1486         * arm.cc (Arm_input_section::Arm_input_section): For a
1487         SHT_ARM_EXIDX section, always keeps the input sections.
1488         (Arm_input_section::set_exidx_section_link): New method.
1489         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1490         has_errors_ to false.
1491         (Arm_exidx_input_section::has_errors,
1492         Arm_exidx_input_section::set_has_errors): New methods.
1493         (Arm_exidx_input_section::has_errors_): New data member.
1494         (Arm_relobj::get_exidx_shndx_list): New method.
1495         (Arm_output_section::append_text_sections_to_list): Do not skip
1496         section without SHF_EXECINSTR.
1497         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1498         errors.
1499         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1500         section header.  Make error messages more verbose.  Check for
1501         a non-executable section linked to an EXIDX section.
1502         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1503         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1504         check that there is no deferred EXIDX section if we exit early.
1505         Instead of not making an EXIDX section in case of an error, make one
1506         and set the has_errors flag of it.
1507         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1508         in a relocatable link.
1509         (Target_arm::do_relax): Look for the EXIDX output section instead of
1510         assuming that it is called .ARM.exidx.
1511         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1512         section list.  Do not check for SHF_EXECINSTR section flags but
1513         skip any input section with errors.
1514         * output.cc (Output_section::Output_section): Initialize
1515         always_keeps_input_sections_ to false.
1516         (Output_section::add_input_section): Check for
1517         always_keeps_input_sections_.
1518         *  output.h (Output_section::always_keeps_input_sections,
1519         Output_section::set_always_keeps_input_sections): New methods.
1520         (Output_section::always_keeps_input_sections): New data member.
1522 2010-07-13  Rafael Espindola  <espindola@google.com>
1524         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1525         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1527 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1528             Ian Lance Taylor  <iant@google.com>
1530         * output.h (Output_section_lookup_maps::add_merge_section):
1531         Correct check of whether value was inserted.
1532         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1533         (Output_section_lookup_maps::add_relaxed_input_section):
1534         Likewise.
1535         * arm.cc (Target_arm::got_section): Remove used local os.
1536         * i386.cc (Target_i386::got_section): Likewise.
1537         * x86_64.cc (Target_x86_64::got_section): Likewise.
1538         * sparc.cc (Target_sparc::got_section): Likewise.
1539         (Target_sparc::relocate): Remove unused local have_got_offset.
1540         * powerpc.cc (Target_powerpc::relocate): Likewise.
1542 2010-07-13  Ian Lance Taylor  <iant@google.com>
1544         * compressed_output.cc (zlib_decompress): Fix signature in
1545         !HAVE_ZLIB_H case.
1547         * archive.cc (Archive::include_member): Unlock an external member
1548         of a thin archive.  Don't bother to delete an object we know is
1549         NULL.
1551 2010-07-12  Cary Coutant  <ccoutant@google.com>
1553         * compressed_output.cc (zlib_decompress): New function.
1554         (get_uncompressed_size): New function.
1555         (decompress_input_section): New function.
1556         * compressed_output.h (get_uncompressed_size): New function.
1557         (decompress_input_section): New function.
1558         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1559         Handle compressed debug sections.
1560         * layout.cc (is_compressed_debug_section): New function.
1561         (Layout::output_section_name): Map compressed section names to
1562         canonical names.
1563         * layout.h (is_compressed_debug_section): New function.
1564         (is_debug_info_section): Recognize compressed debug sections.
1565         * merge.cc: Include compressed_output.h.
1566         (Output_merge_data::do_add_input_section): Handle compressed
1567         debug sections.
1568         (Output_merge_string::do_add_input_section): Handle compressed
1569         debug sections.
1570         * object.cc: Include compressed_output.h.
1571         (Sized_relobj::Sized_relobj): Initialize new data members.
1572         (build_compressed_section_map): New function.
1573         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1574         * object.h (Object::section_is_compressed): New method.
1575         (Object::do_section_is_compressed): New method.
1576         (Sized_relobj::Compressed_section_map): New type.
1577         (Sized_relobj::do_section_is_compressed): New method.
1578         (Sized_relobj::compressed_sections_): New data member.
1579         * output.cc (Output_section::add_input_section): Handle compressed
1580         debug sections.
1581         * reloc.cc: Include compressed_output.h.
1582         (Sized_relobj::write_sections): Handle compressed debug sections.
1584 2010-07-08  Cary Coutant  <ccoutant@google.com>
1586         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1587         weak when resolving to a dynamic def.
1588         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1589         for weak undef/dynamic def cases. Adjust callers.
1590         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1591         undef_binding_weak_.
1592         (Symbol_table::sized_write_globals): Adjust symbol binding.
1593         (Symbol_table::sized_write_symbol): Add binding parameter.
1594         * symtab.h (Symbol::set_undef_binding): New method.
1595         (Symbol::is_undef_binding_weak): New method.
1596         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1597         (Symbol_table::should_override): Add new parameter.
1598         (Symbol_table::sized_write_symbol): Add new parameter.
1600         * testsuite/weak_undef_file1.cc: Add new test case.
1601         * testsuite/weak_undef_file2.cc: Fix header comment.
1602         * testsuite/weak_undef_test.cc: Add new test case.
1604 2010-06-29  Doug Kwan  <dougkwan@google.com>
1606         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1607         Initialize USE_SYMBOL_.
1608         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1609         definition.
1610         (Arm_reloc_property::uses_symbol_): New data member declaration.
1611         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1612         uses symbol value and symbol is undefined but not weakly undefined.
1614 2010-06-28  Rafael Espindola  <espindola@google.com>
1616         * plugin.cc (Plugin::load): Use dlerror.
1618 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1620         * symtab.cc (detect_odr_violations): When reporting an ODR
1621         violation, report an object where the symbol is defined.
1623 2010-06-25  Doug Kwan  <dougkwan@google.com>
1625         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1626         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1627         definition.
1628         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1629         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1630         target hook to detect function points.
1631         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1632         * icf.h (Icf::check_section_for_function_pointers): Change type of
1633         parameter SECTION_NAME to const reference to std::string.  Use
1634         target hook to determine if section may have unsafe pointers.
1635         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1636         method definition.
1638 2010-06-21  Rafael Espindola  <espindola@google.com>
1640         * fileread.cc (Input_file::find_fie): New
1641         (Input_file::open): Use Input_file::find_fie.
1642         * fileread.h (Input_file::find_fie): New
1643         * plugin.cc (set_extra_library_path): New.
1644         (Plugin::load): Add set_extra_library_path to the transfer vector.
1645         (Plugin_manager::set_extra_library_path): New.
1646         (Plugin_manager::add_input_file): Use the extra search path if set.
1647         (set_extra_library_path(): New.
1648         * plugin.h (Plugin_manager): Add set_extra_library_path and
1649         extra_search_path_.
1651 2010-06-19  Cary Coutant  <ccoutant@google.com>
1653         * layout.cc (gdb_sections): Add .debug_types.
1654         (lines_only_debug_sections): Likewise.
1656 2010-06-18  Rafael Espindola  <espindola@google.com>
1658         * plugin.cc (add_input_file,add_input_library)
1659         (Plugin_manager::add_input_file): Make filename arguments const.
1660         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1661         const.
1663 2010-06-16  Doug Kwan  <dougkwan@google.com>
1665         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1666         .ARM.attributes section if we have not merged any input
1667         attributes sections.
1669 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1671         * arm.cc: Allow combining objects with no EABI version
1672         information.
1674 2010-06-15  Rafael Espindola  <espindola@google.com>
1676         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1678 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1680         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1681         (struct iovec): Correct !HAVE_READV definition.
1683 2010-06-10  Cary Coutant  <ccoutant@google.com>
1685         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1686         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1687         reloc sections.
1688         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1690         PR 11683
1691         * symtab.h (Symbol::is_placeholder): New member function.
1692         * target-reloc.h (relocate_section): Check for placeholder symbols.
1694         * testsuite/Makefile.am (plugin_test_8): New test.
1695         (plugin_test_9): New test.
1696         * testsuite/Makefile.in: Regenerate.
1698 2010-06-09  Nick Clifton  <nickc@redhat.com>
1700         * yyscript.y (input_list_element): Allow strings prefixed with
1701         the '-' character.  Treat these as libraries.
1702         * script.cc (script_add_library): New function.  Adds a library
1703         specified by "-l<name>" found in an input script.
1704         * script-c.h: Add prototype for script_add_library.
1706 2010-06-07  Doug Kwan  <dougkwan@google.com>
1708         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1709         Restrict stub-group size to be within long conditional branch
1710         range when working around cortex-A8 erratum.
1712 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1714         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1715         #ifdef typo.
1717 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1719         PR gold/11658
1720         * output.cc
1721         (Output_section::Input_section_sort_entry::compare_section_ordering):
1722         Change to return non-zero correctly.
1723         (Output_section::Input_section_sort_section_order_index_compare
1724         ::operator()): Change to fix ambiguity in comparisons.
1726 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1728         * gold.h (is_wildcard_string): New function.
1729         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1730         (Layout::layout_eh_frame): Ditto.
1731         (Layout::find_section_order_index): New method.
1732         (Layout::read_layout_from_file): New method.
1733         * layout.h (Layout::find_section_order_index): New method.
1734         (Layout::read_layout_from_file): New method.
1735         (Layout::input_section_position_): New private member.
1736         (Layout::input_section_glob_): New private member.
1737         * main.cc (main): Call read_layout_from_file here.
1738         * options.h (--section-ordering-file): New option.
1739         * output.cc (Output_section::input_section_order_specified_): New
1740         member.
1741         (Output_section::Output_section): Initialize new member.
1742         (Output_section::add_input_section): Add new parameter.
1743         Keep input sections when --section-ordering-file is used.
1744         (Output_section::set_final_data_size): Sort input sections when
1745         section ordering file is specified.
1746         (Output_section::Input_section_sort_entry): Add new parameter.
1747         Check sorting type.
1748         (Output_section::Input_section_sort_entry::compare_section_ordering):
1749         New method.
1750         (Output_section::Input_section_sort_compare::operator()): Change to
1751         consider section_order_index.
1752         (Output_section::Input_section_sort_init_fini_compare::operator()):
1753         Change to consider section_order_index.
1754         (Output_section::Input_section_sort_section_order_index_compare
1755         ::operator()): New method.
1756         (Output_section::sort_attached_input_sections): Change to sort
1757         according to section order when specified.
1758         (Output_section::add_input_section<32, true>): Add new parameter.
1759         (Output_section::add_input_section<64, true>): Add new parameter.
1760         (Output_section::add_input_section<32, false>): Add new parameter.
1761         (Output_section::add_input_section<64, false>): Add new parameter.
1762         * output.h (Output_section::add_input_section): Add new parameter.
1763         (Output_section::input_section_order_specified): New
1764         method.
1765         (Output_section::set_input_section_order_specified): New method.
1766         (Input_section::Input_section): Initialize section_order_index_.
1767         (Input_section::section_order_index): New method.
1768         (Input_section::set_section_order_index): New method.
1769         (Input_section::section_order_index_): New member.
1770         (Input_section::Input_section_sort_section_order_index_compare): New
1771         struct.
1772         (Output_section::input_section_order_specified_): New member.
1773         * script-sections.cc (is_wildcard_string): Delete and move modified
1774         method to gold.h.
1775         (Output_section_element_input::Output_section_element_input): Modify
1776         call to is_wildcard_string.
1777         (Output_section_element_input::Input_section_pattern
1778         ::Input_section_pattern): Ditto.
1779         (Output_section_element_input::Output_section_element_input): Ditto.
1780         * testsuite/Makefile.am (final_layout): New test case.
1781         * testsuite/Makefile.in: Regenerate.
1782         * testsuite/final_layout.cc: New file.
1783         * testsuite/final_layout.sh: New file.
1785 2010-06-01  Rafael Espindola  <espindola@google.com>
1787         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1789 2010-06-01  Rafael Espindola  <espindola@google.com>
1791         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1792         visibility of symbols.
1794 2010-05-27  Doug Kwan  <dougkwan@google.com>
1796         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1797         from start of output section instead of address for a local symbol
1798         in a merged or relaxed section when doing a relocatable link.
1800 2010-05-26  Rafael Espindola  <espindola@google.com>
1802        PR 11604
1803         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1804         adding sections the garbage collector removed.
1805         * gold/testsuite/Makefile.am: Add test.
1806         * gold/testsuite/Makefile.in: Regenerate.
1807         * gold/testsuite/plugin_test_7.sh: New.
1808         * gold/testsuite/plugin_test_7_1.c: New.
1809         * gold/testsuite/plugin_test_7_2.c: New.
1811 2010-05-26  Rafael Espindola  <espindola@google.com>
1813         * script-sections.cc (Output_section_definition::set_section_addresses):
1814         Check for --section-start.
1816 2010-05-26  Doug Kwan  <dougkwan@google.com>
1818         * arm.cc (Arm_scan_relocatable_relocs): New class.
1819         (Target_arm::relocate_special_relocatable): New method.
1820         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1821         (Arm_relocate_functions::thumb_branch_common): Same.
1822         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1823         instead of Default_scan_relocatable_relocs.
1824         * target-reloc.h (relocate_for_relocatable): Let target handle
1825         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1826         * target.h (Sized_target::relocate_special_relocatable): New method.
1828 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1830         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1832 2010-05-23  Doug Kwan  <dougkwan@google.com>
1834         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1835         instead of a cast.
1836         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1837         with a direct branch, not a conditional branch, to a stub.
1838         * merge.cc (Output_merge_base::record_input_section): New method
1839         defintion.
1840         (Output_merge_data::do_add_input_section): Record input section if
1841         keeps-input-sections flag is set.
1842         (Output_merge_string::do_add_input_section): Ditto.
1843         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1844         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1845         INPUT_SECTIONS_.
1846         (Output_merge_base::keeps_input_sections,
1847         Output_merge_base::set_keeps_input_sections,
1848         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1849         method definitions.
1850         (Output_merge_base::Input_sections): New type declaration.
1851         (Output_merge_base::input_sections_begin,
1852         Output_merge_base::input_sections_end,
1853         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1854         (Output_merge_base::bool keeps_input_sections_,
1855         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1856         Output_merge_base::input_sections_): New data members.
1857         (Output_merge_data::do_set_keeps_input_sections): New method
1858         defintion.
1859         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1860         * output.cc (Output_section::Input_section::relobj): Move method
1861         defintion from class declaration to here and handle merge sections.
1862         (Output_section::Input_section::shndx): Ditto.
1863         (Output_section::Output_section): Remove initializations of removed
1864         data members and initialize new data member LOOKUP_MAPS_.
1865         (Output_section::add_input_section): Set keeps-input-sections flag
1866         for a newly created merge output section as appropriate.  Adjust code
1867         to use Output_section_lookup_maps class.
1868         (Output_section::add_relaxed_input_section): Adjst code for lookup
1869         maps code refactoring.
1870         (Output_section::add_merge_input_section): Add a new parameter
1871         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1872         class.  If adding input section to a newly created merge output
1873         section fails, remove the new merge section.
1874         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1875         Adjust code for use of the Output_section_lookup_maps class.
1876         (Output_section::find_merge_section): Ditto.
1877         (Output_section::build_lookup_maps): New method defintion.
1878         (Output_section::find_relaxed_input_section): Adjust code to use
1879         Output_section_lookup_maps class.
1880         (Output_section::get_input_sections): Export merge sections.  Adjust
1881         code to use Output_section_lookup_maps class.
1882         (Output_section:::add_script_input_section): Adjust code to use
1883         Output_section_lookup_maps class.  Update lookup maps for merge
1884         sections also.
1885         (Output_section::discard_states): Use Output_section_lookup_maps.
1886         (Output_section::restore_states): Same.
1887         * output.h (Merge_section_properties): Move class defintion out of
1888         Output_section.
1889         (Output_section_lookup_maps): New class.
1890         (Output_section::Input_section::is_merge_section): New method
1891         defintion.
1892         (Output_section::Input_section::relobj): Move defintion out of class
1893         defintion.  Declare method only.
1894         (Output_section::Input_section::shndx): Ditto.
1895         (Output_section::Input_section::output_merge_base): New method defintion.
1896         (Output_section::Input_section::u2_.pomb): New union field.
1897         (Output_section::Merge_section_by_properties_map,
1898         Output_section::Output_section_data_by_input_section_map,
1899         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1900         Remove types.
1901         (Output_section::add_merge_input_section): Add new parameter
1902         KEEPS_INPUT_SECTIONS.
1903         (Output_section::build_lookup_maps): New method declaration.
1904         (Output_section::merge_section_map_,
1905         Output_section::merge_section_by_properties_map_,
1906         Output_section::relaxed_input_section_map_,
1907         Output_section::is_relaxed_input_section_map_valid_): Remove data
1908         members.
1909         (Output_section::lookup_maps_): New data member.
1911 2010-05-21  Doug Kwan  <dougkwan@google.com>
1913         PR gold/11619
1914         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1915         avoid a compilation error.
1917 2010-05-19  Rafael Espindola  <espindola@google.com>
1919         * script-sections.cc (Output_section_definition::allocate_to_segment):
1920         Update the phdrs_list even when the output section is NULL.
1921         * testsuite/Makefile.am: Add test.
1922         * testsuite/Makefile.in: Regenerate.
1923         * testsuite/script_test_9.cc: New.
1924         * testsuite/script_test_9.sh: New.
1925         * testsuite/script_test_9.t: New.
1927 2010-05-19  Doug Kwan  <dougkwan@google.com>
1929         * arm.cc (Arm_input_section::original_size): New method.
1930         (Arm_input_section::do_addralign): Add a cast.
1931         (Arm_input_section::do_output_offset): Remove static cast.
1932         (Arm_input_section::original_addralign,
1933          Arm_input_section::original_size_): Change type to uint32_t.
1934         (Arm_input_section::init): Add safe casts for section alignment
1935         and size.
1936         (Arm_input_section::set_final_data_size): Do not set address and
1937         offset of stub table.
1938         (Arm_output_section::fix_exidx_coverage): Change use of of
1939         Output_section::Simple_input_section to that of
1940         Output_section::Input_section.
1941         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1942         except for the first pass.
1943         * output.cc (Output_section::get_input_sections): Change type of
1944         input_sections to std::list<Input_section>.
1945         (Output_section::add_script_input_section): Rename from
1946         Output_section::add_simple_input_section.  Change type of SIS
1947         parameter from Simple_input_section to Input_section.
1948         * output.h (Output_section::Simple_input_section): Remove class.
1949         (Output_section::Input_section): Change class visibility to public.
1950         (Output_section::Input_section::addralign): Use stored alignments
1951         for special input sections if set.
1952         (Output_section::Input_section::set_addralign): New method.
1953         (Output_section::get_input_sections): Change parameter type from
1954         list of Simple_input_section to list of Input_section.
1955         (Output_section::add_script_input_section): Rename from
1956         Output_section::add_simple_input_section. Change first parameter's
1957         type from Simple_input_section to Input_section and remove the
1958         second and third parameters.
1959         * script-sections.cc (Input_section::Input_section_list): Change
1960         type to list of Output_section::Input_section/
1961         (Input_section_info::Input_section_info): Change parameter type of
1962         INPUT_SECTION to Output_section::Input_section.
1963         (Input_section_info::input_section): Change return type.
1964         (Input_section_info::input_section_): Change type to
1965         Output_section::Input_section.
1966         (Output_section_element_input::set_section_addresses): Adjust code
1967         to use Output_section::Input_section instead of
1968         Output_section::Simple_input_section.  Adjust code for renaming
1969         of Output_section::add_simple_input_section.
1970         (Orphan_output_section::set_section_addresses): Ditto.
1972 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1974         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1975         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1977 2010-05-18  Rafael Espindola  <espindola@google.com>
1979         * options.cc (General_options::finalize): Handle -nostdlib.
1980         * options.h (nostdlib): New option.
1981         * script.cc (script_add_search_dir): Handle -nostdlib.
1983 2010-05-12  Doug Kwan  <dougkwan@google.com>
1985         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1986         attributes section only if there no attributes section after merging.
1987         (Target_arm::merge_object_attributes): Move value of
1988         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1989         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1990         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1991         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1992         and arm_attr_merge_7.stdout.
1993         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1994         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1995         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1996         arm_attr_merge_7b.o): New rules.
1997         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1998         arm_attr_merge_7
1999         * testsuite/Makefile.in: Regenerate.
2000         * testsuite/arm_attr_merge.sh: New file.
2001         * testsuite/arm_attr_merge_[67][ab].s: Same.
2003 2010-05-05  Nick Clifton  <nickc@redhat.com>
2005         * po/es.po: Updated Spanish translation.
2007 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2009         * Makefile.am (install-exec-local): Properly install gold as
2010         default cross linker.
2011         * Makefile.in: Regenerated.
2013 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2014             Nick Clifton  <nickc@redhat.com>
2016         * configure.ac (install_as_default): Define and set to false
2017         unless --enable-gold or --enable-gold=both/gold has been
2018         specified.
2019         * configure: Regenerate.
2021         * Makefile.am (install-exec-local): Install the executable as
2022         'ld.gold'.  If install_as_default is true then also install it as
2023         'ld'.
2024         * Makefile.in: Regenerated.
2026 2010-04-24  Ian Lance Taylor  <iant@google.com>
2028         * layout.cc (Layout::layout_reloc): In relocatable link don't
2029         combine reloc sections for grouped sections.
2031 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
2033         * gc.h (gc_process_relocs): Pass information on relocs pointing to
2034         sections that are not ordinary to icf.
2035         * icf.cc (get_section_contents): Handle relocation pointing to section
2036         with no object or shndx information.
2037         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
2038         * testsuite/Makefile.in: Regenerate.
2039         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
2040         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
2042 2010-04-22  Ian Lance Taylor  <iant@google.com>
2044         * expression.cc (Expression::Expression_eval_info): Add
2045         result_alignment_pointer field.
2046         (Expression::eval_with_dot): Add result_alignment_pointer
2047         parameter.  Change all callers.
2048         (Expression::eval_maybe_dot): Likewise.
2049         (class Binary_expression): Add alignment_pointer parameter to
2050         left_value and right_value.  Change all callers.
2051         (BINARY_EXPRESSION): Set result alignment.
2052         (class Trinary_expression): Add alignment_pointer parameter to
2053         arg2_value and arg3_value.  Change all callers.
2054         (Trinary_cond::value): Set result alignment.
2055         (Max_expression::value, Min_expression::value): Likewise.
2056         (Align_expression::value): Likewise.
2057         * script-sections.cc (class Sections_element): Add dot_alignment
2058         parameter to set_section_addresses virtual function.  Update
2059         instantiations.
2060         (class Output_section_element): Likewise.
2061         (Script_sections::create_segments): Add dot_alignment parameter.
2062         Change all callers.
2063         (Script_sections::create_segments_from_phdrs_clause): Likewise.
2064         (Script_sections::set_phdrs_clause_addresses): Likewise.
2065         * script-sections.h: Update declarations.
2066         * script.h: Update declarations.
2067         * output.h (Output_segment::set_minimum_p_align): Don't decrease
2068         min_p_align.
2069         * testsuite/script_test_3.t: Set large alignment.
2070         * testsuite/script_test_3.sh: Make sure that at least one LOAD
2071         segment has expected alignment.
2073 2010-04-22  Nick Clifton  <nickc@redhat.com>
2075         * po/gold.pot: Updated by the Translation project.
2076         * po/vi.po: Updated Vietnamese translation.
2078 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
2080         * testsuite/Makefile.am (check_PROGRAMS): Add
2081         icf_virtual_function_folding_test.
2082         * testsuite/Makefile.in: Regenerated.
2084 2010-04-15  Andrew Haley  <aph@redhat.com>
2086         * options.h (merge_exidx_entries): New option.
2087         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
2088         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
2089         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
2090         (Target_arm::merge_exidx_entries): New function.
2091         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
2092         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
2093         to Arm_exidx_fixup constructor.
2094         Add new arg, merge_exidx_entries.
2095         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
2096         Arm_output_section::fix_exidx_coverage.
2098 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
2100         * icf.cc (get_section_contents): Check for preemptible functions.
2101         Ignore addend when appropriate.
2102         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
2103         section folded.
2104         (add_from_relobj): Check for section folded.
2105         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
2106         * symtab.h (should_add_dynsym_entry): Add new parameter.
2107         * target-reloc.h (scan_relocs): Check for section folded.
2108         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
2109         Check reloc types for function pointers in shared objects.
2110         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
2111         case.
2112         (icf_preemptible_functions_test): New test case.
2113         (icf_string_merge_test): New test case.
2114         * testsuite.Makefile.in: Regenerate.
2115         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
2116         bar_glob.  Refactor code.
2117         * testsuite/icf_preemptible_functions_test.cc: New file.
2118         * testsuite/icf_preemptible_functions_test.sh: New file.
2119         * testsuite/icf_string_merge_test.cc: New file.
2120         * testsuite/icf_string_merge_test.sh: New file.
2121         * testsuite/icf_virtual_function_folding_test.cc: New file.
2122         * testsuite/icf_virtual_function_folding_test.sh: New file.
2124 2010-04-14  Doug Kwan  <dougkwan@google.com>
2126         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
2127         for local symbol recounting if we remove a section due to ICF.
2128         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
2129         there are no regular objects in input.
2131 2010-04-13  Doug Kwan  <dougkwan@google.com>
2133         * arm.cc (Arm_input_section::set_final_data_size): Compute
2134         accurate final data size instead of using current data size.
2136 2010-04-09  Doug Kwan  <dougkwan@google.com>
2138         * layout.cc (Layout::choose_output_section): Handle script section
2139         types.
2140         (Layout::make_output_section_for_script): Add section type parameter.
2141         Handle script section types.
2142         * layout.h (Layout::make_output_section_for_script): Add section
2143         type parameter.
2144         * output.cc (Output_section::Output_section): Initialize data member
2145         is_noload_.
2146         (Output_section::do_reset_address_and_file_offset): Do not set address
2147         to 0 if section is a NOLOAD section.
2148         * output.h (Output_section::is_noload): New method.
2149         (Output_section::set_is_noload): Ditto.
2150         (Output_section::is_noload_): New data member.
2151         * script-c.h (Script_section_type): New enum type.
2152         (struct Parser_output_section_header): Add new file section_type.
2153         * script-sections.cc (Sections_element::output_section_name): Add
2154         parameter for returning script section type.
2155         (Output_section_definition::output_section_name): Ditto.
2156         (Output_section_definition::section_type)P; New method.
2157         (Output_section_definiton::script_section_type_name): Ditto.
2158         (Output_section_definition::script_section_type_): New data member.
2159         (Output_section_definition::Output_section_definition): Initialize
2160         data member Output_section_definition::script_section_type_.
2161         (Output_section_definition::create_sections): Pass script section type
2162         to Layout::make_output_section_for_script.
2163         (Output_section_definition::output_section_name): Return script
2164         section type to caller.
2165         (Output_section_definition::set_section_address): Do not advance
2166         dot value and load address if section type is NOLOAD.  Set address
2167         of NOLOAD sections regardless of section flags.
2168         (Output_section_definition::print): Print section type if it is
2169         not SCRIPT_SECTION_TYPE_NONE.
2170         (Output_section_definition::section_type): New method.
2171         (Output_section_definition::script_section_type_name): Ditto.
2172         (Script_sections::output_section_name): Add new parameter
2173         PSECTION_TYPE for returning script section type.  Pass it to
2174         section elements.  Handle discard sections.
2175         (Sort_output_sections::operator()): Handle NOLOAD sections.
2176         * script-sections.h (Script_sections::Section_type): New enum type.
2177         (Script_sections::output_section_name): Add a new parameter for
2178         returning script section type.
2179         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
2180         INFO and NOLOAD.
2181         * yyscript.y (union): Add new field SECTION_TYPE.
2182         (COPY, DSECT, INFO, NOLOAD): New tokens.
2183         (opt_address_and_section_type): Change type to output_section_header.
2184         (section_type): New non-terminal
2185         (section_header): Handle section type.
2186         (opt_address_and_section_type): Return section type value.
2188 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2190         * testsuite/plugin_common_test_1.c (foo): Add prototype.
2191         * testsuite/plugin_common_test_2.c (foo): Likewise.
2193 2010-04-08  Doug Kwan  <dougkwan@google.com>
2195         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
2196         Output_merge_data.
2197         * output.cc (Output_section::add_merge_input_section): Simplify
2198         code and return status of Output_merge_base::add_input_section.
2199         Update merge section map only if Output_merge_base::add_input_section
2200         returns true.
2202 2010-04-07  Doug Kwan  <dougkwan@google.com>
2204         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2205         if section is marked as containing instructions but has no mapping
2206         symbols.
2207         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2208         correct section index.
2209         (Arm_relobj::find_linked_text_section): Ditto.
2211 2010-04-07  Cary Coutant  <ccoutant@google.com>
2213         * archive.cc (include_member): Destroy Read_symbols_data object before
2214         releasing file.
2215         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2216         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2217         (Read_symbols_data::~Read_symbols_data) New destructor.
2218         (Section_relocs::Section_relocs) New constructor.
2219         (Section_relocs::~Section_relocs) New destructor.
2220         (Read_relocs_data::Read_relocs_data) New constructor.
2221         (Read_relocs_data::~Read_relocs_data) New destructor.
2222         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2223         pointers to NULL after deleting.
2225 2010-04-07  Doug Kwan  <dougkwan@google.com>
2227         * arm.cc: Replace "endianity" with "endianness" in comments.
2228         (Arm_exidx_cantunwind): Ditto.
2229         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2230         (Arm_relobj::merge_flags_and_attributes): New method.
2231         (Arm_relobj::merge_flags_and_attributes_): New data member.
2232         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2233         (Arm_relobj::scan_sections_for_stubs): Ditto.
2234         (Arm_relobj::do_read_symbols): Check to see if we really want to
2235         merge processor-specific flags and attributes.  Exit early if
2236         an object is empty except for section names and the undefined symbol.
2237         (Target_arm::do_finalize_sections): Move check for ELF format to
2238         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2239         attributes from a regular object only when we have determined that
2240         it is aapropriate.  Do not create an .ARM.attributes section in
2241         output if there is no regular input object.
2242         (Target_arm::merge_processor_specific_flags): Check
2243         --warn-mismatch before printing any error.
2244         (Target_arm::merge_object_attributes): Ditto.
2245         * gold.cc (queue_middle_tasks): Handle the case in which there is
2246         no regular object in input.
2247         * options.cc (General_options::parse_EB): New method.
2248         (General_options::parse_EL): Same.
2249         (General_options::General_options): Initialize endianness_.
2250         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2251         New options.
2252         (General_options::Endianness): New enum.
2253         (General_options::endianness): New method.
2254         (General_options::endianness_): New data member.
2255         * parameters.cc (Parameters::set_options): Check target endianness.
2256         (Parameters::set_target_once): Ditto.
2257         (Parameters::check_target_endianness): New method.
2258         (parameters_force_valid_target): If either -EL or -EB is specified,
2259         use it to define endianness of default target.
2260         * parameters.h (Parameters::check_target_endianness): New method
2261         declaration.
2262         * target.h (class Target): Change "endianity" to "endianness"
2263         in comments.
2265 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2267         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2268         * configure: Regenerate.
2269         * Makefile.in: Regenerate.
2270         * testsuite/Makefile.in: Regenerate.
2272 2010-04-06  Cary Coutant  <ccoutant@google.com>
2274         gcc PR lto/42757
2275         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2276         prevailing definitions of common symbols.
2277         * testsuite/plugin_test_6.sh: New test case.
2278         * testsuite/plugin_common_test_1.c: New test case.
2279         * testsuite/plugin_common_test_2.c: New test case.
2280         * testsuite/Makefile.am (plugin_test_6): New test case.
2281         * testsuite/Makefile.in: Regenerate.
2283 2010-04-06  Nick Clifton  <nickc@redhat.com>
2285         * po/vi.po: New Vietnamese translation.
2287 2010-03-30  Doug Kwan  <dougkwan@google.com>
2289         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2291 2010-03-25  Doug Kwan  <dougkwan@google.com>
2293         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2294         to avoid a conversion warning on a 32-bit host.
2296 2010-03-24  Ian Lance Taylor  <iant@google.com>
2298         * testsuite/script_test_3.t: Add a TLS segment.
2299         * testsuite/Makefile.am (check_PROGRAMS): Add
2300         tls_phdrs_script_test.
2301         (tls_phdrs_script_test_SOURCES): Define.
2302         (tls_phdrs_script_test_DEPENDENCIES): Define.
2303         (tls_phdrs_script_test_LDFLAGS): Define.
2304         (tls_phdrs_script_test_LDADD): Define.
2305         * testsuite/Makefile.in: Rebuild.
2307 2010-03-23  Cary Coutant  <ccoutant@google.com>
2309         * fileread.cc (find_or_make_view): Fix comment.
2311 2010-03-23  Ian Lance Taylor  <iant@google.com>
2313         * script-sections.cc (class Orphan_section_placement): Define
2314         PLACE_TLS and PLACE_TLS_BSS.
2315         (Orphan_section_placement::Orphan_section_placement): Initialize
2316         new places.
2317         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
2318         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
2319         (tls_script_test_SOURCES): Define.
2320         (tls_script_test_DEPENDENCIES): Define.
2321         (tls_script_test_LDFLAGS): Define.
2322         (tls_script_test_LDADD): Define.
2323         * testsuite/Makefile.in: Rebuild.
2325 2010-03-22  Doug Kwan  <dougkwan@google.com>
2327         * arm.cc (Arm_relocate_functions::abs8,
2328         Arm_relocate_functions::abs16): Use correct check for overflow
2329         specified in the ARM ELF specs.
2330         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
2331         target of a BLX instruction specially.
2332         (Reloc_stub::stub_type_for_reloc): Ditto.
2333         (Relocate::relocate): Use symbolic names instead of numeric relocation
2334         codes to report error.
2335         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
2336         workaround.
2337         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
2338         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
2339         thumb2_blx_out_of_range.stdout
2340         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
2341         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
2342         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
2343         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
2344         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
2345         thumb2_blx_in_range, thumb2_blx_in_range.o,
2346         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
2347         thumb2_blx_out_of_range.o): New rules.
2348         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
2349         thumb2_blx_in_range and thumb2_blx_out_of_range.
2350         * testsuite/Makefile.in: Regenerate.
2351         * arm_branch_in_range.sh: Add tests for THUMB BLX.
2352         * testsuite/thumb_blx_in_range.s: New file.
2353         * testsuite/thumb_blx_out_of_range.s: New file.
2355 2010-03-22  Rafael Espindola  <espindola@google.com>
2357         * archive.cc (Should_include): Move to archive.h.
2358         (should_include_member): Make it a member of Archive.
2359         (Lib_group): New.
2360         (Add_lib_group_symbols): New.
2361         * archive.h: Include options.h.
2362         (Archive_member): Moved from Archive.
2363         (Should_include): Moved from archive.cc.
2364         (Lib_group): New.
2365         (Add_lib_group_symbols): New.
2366         * dynobj.cc (do_should_include_member): New.
2367         * dynobj.h (do_should_include_member): New.
2368         * gold.cc (queue_initial_tasks): Update call to queue.
2369         * main.cc (main): Print lib group stats.
2370         * object.cc (do_should_include_member): New.
2371         * object.h: Include archive.h.
2372         (Object::should_include_member): New.
2373         (Object::do_should_include_member): New.
2374         (Sized_relobj::do_should_include_member): New.
2375         * options.cc (General_options::parse_start_lib): New.
2376         (General_options::parse_end_lib): New.
2377         (Input_arguments::add_file): Handle lib groups.
2378         (Input_arguments::start_group): Check we are not in a lib.
2379         (Input_arguments::start_lib): New.
2380         (Input_arguments::end_lib): New.
2381         * options.h (General_options): Add start_lib and end_lib.
2382         (Input_argument::lib_): New.
2383         (Input_argument::lib): New.
2384         (Input_argument::is_lib): New.
2385         (Input_file_lib): New.
2386         (Input_arguments::in_lib_): New.
2387         (Input_arguments::in_lib): New.
2388         (Input_arguments::start_lib): New.
2389         (Input_arguments::end_lib_): New.
2390         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
2391         in unused members as preempted.
2392         (Sized_pluginobj::do_should_include_member): New.
2393         * plugin.h (Sized_pluginobj::do_should_include_member): New.
2394         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
2395         return the blocker.
2396         (Read_symbols::do_whole_lib_group): New.
2397         (Read_symbols::do_lib_group): New.
2398         (Read_symbols::do_read_symbols): Handle lib groups.
2399         (Read_symbols::get_name): Handle lib groups.
2400         * readsyms.h (Read_symbols): Add an archive member pointer.
2401         (Read_symbols::do_whole_lib_group): New.
2402         (Read_symbols::do_lib_group): New.
2403         (Read_symbols::member_): New.
2404         * script.cc (read_input_script): Update call to queue_soon.
2406 2010-03-19  Doug Kwan  <dougkwan@google.com>
2408         * arm.cc (Stub_table::Stub_table): Initialize new data members
2409         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2410         (Stub_table::add_reloc_stub): Assign stub offset and update
2411         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2412         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
2413         New data members.
2414         (Stub_table::update_data_size_and_addralign): Use
2415         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
2416         instead of going over all reloc stubs.
2417         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
2418         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2419         Stringpool_template::offset_ to size of Stringpool_char.
2420         (Stringpool_template::new_key_offset): Remove code to initialize
2421         Stringpool_template::offset_.
2422         * stringpool.h (Stringpool_template::set_no_zero_null): Set
2423         Stringpool_template::offset_ to zero.
2425 2010-03-15  Doug Kwan  <dougkwan@google.com>
2427         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2428         offset_.
2429         (Stringpool_template::new_key_offset): New method.
2430         (Stringpool_template::add_string): Assign offsets when adding new
2431         strings.
2432         (Stringpool_template::set_string_offsets): Do not set string offsets
2433         when not optimizing.
2434         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
2435         member size_.
2436         (Chunked_vector::clear): Clear size_.
2437         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
2438         (Chunked_vector::size): Return size_.
2439         (Chunked_vector::push_back): Use size_ to find insert position.
2440         (Chunked_vector::size_): New data member.
2441         (Stringpool_template::set_no_zero_null): Assert string set is empty.
2442         (Stringpool_template::new_key_offset): New method declaration.
2443         (Stringpool_template::offset_): New data member.
2445 2010-03-15   Rafael Espindola  <espindola@google.com>
2447         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
2448         Add_symbols' constructor.
2449         * readsyms.h (Add_symbols): Remove the input_group member.
2451 2010-03-10  Ian Lance Taylor  <iant@google.com>
2453         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
2454         target to ask whether a reference to a symbol requires a stack
2455         split.
2456         * target.h (Target::is_call_to_non_split): New function.
2457         (Target::do_is_call_to_non_split): Declare virtual function.
2458         * target.cc: Include "symtab.h".
2459         (Target::do_is_call_to_non_split): New function.
2460         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
2462 2010-03-10  Cary Coutant  <ccoutant@google.com>
2464         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2465         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2466         (File_read::open[2]): Add whole_file_view_ to list of views.
2467         (File_read::make_view): Remove test of whole_file_view_.
2468         (File_read::find_or_make_view): Create whole_file_view_ if
2469         necessary.
2470         (File_read::clear_views): Replace bool parameter with enum;
2471         adjust all callers.  Don't delete views with permanent data;
2472         do delete cached views and views from archives if
2473         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2474         if clearing the corresponding view.
2475         * fileread.h (File_read::Clear_views_mode): New enum.
2476         (File_read::View::is_permanent_view): New method.
2477         (File_read::clear_views): Replace bool parameter
2478         with enum; adjust all callers.
2479         * options.h (General_options): Change keep_files_mapped option;
2480         add map_whole_files.
2481         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2482         releasing the file.
2483         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2484         the file.
2486 2010-03-10  David S. Miller  <davem@davemloft.net>
2488         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2490 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2492         * icf.cc (get_section_contents): Add '@' marker after processing the
2493         merge reloc.
2495 2010-03-08  Doug Kwan  <dougkwan@google.com>
2497         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2498         due to a conversion warning.
2499         (Arm_relobj::update_output_local_symbol_count): Check for local
2500         symbol with unset output index.
2502 2010-03-05  Ian Lance Taylor  <iant@google.com>
2504         * options.h (class General_options): Add --spare-dynamic-tags.
2505         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2506         --spare-dynamic-tags.
2508 2010-03-05  Ian Lance Taylor  <iant@google.com>
2510         * incremental.cc: Include "libiberty.h".
2512 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2514         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2515         function, is_info_ member.
2516         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2517         (Versions::Versions): Update caller.
2518         (Versions::define_base_version): Likewise.
2519         (Versions::add_def): Likewise.
2521 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2523         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2524         (Scan::possible_function_pointer_reloc): New function.
2525         (Scan::local_reloc_may_be_function_pointer): Change to call
2526         possible_function_pointer_reloc.
2527         (Scan::global_reloc_may_be_function_pointer): Ditto.
2528         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2529         relocations in ".data.rel.ro._ZTV" section.
2530         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2531         * testsuite/icf_safe_so_test.cc: Ditto.
2532         * testsuite/icf_safe_test.cc: Ditto.
2533         * testsuite/icf_safe_test.sh: Ditto.
2535 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2536             Ian Lance Taylor  <iant@google.com>
2538         * target-reloc.h (relocate_section): Check the symbol table index
2539         for -1U before setting the local symbol index.
2540         (scan_relocatable_relocs): If copying the relocation, record that
2541         the local symbol is required.
2542         * object.h (Symbol_value::is_output_symtab_index_set): New
2543         function.
2544         (Symbol_value::may_be_discarded_from_output_symtab): New
2545         function.
2546         (Symbol_value::has_output_symtab_entry): New function.
2547         (Symbol_value::needs_output_symtab_entry): Remove.
2548         (Symbol_value::output_symtab_index): Make sure the symbol index is
2549         set.
2550         (Symbol_value::set_output_symtab_index): Make sure the symbol
2551         index is not set.  Make sure the new index is valid.
2552         (Symbol_value::set_must_have_output_symtab_entry): New function.
2553         (Symbol_value::has_output_dynsym_entry): New function.
2554         (Symbol_value::set_output_dynsym_index): Make sure the new index
2555         is valid.
2556         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2557         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2558         local symbol if permitted.
2559         (Sized_relobj::do_finalize_local_symbols): Call
2560         is_output_symtab_index_set rather than needs_output_symtab_entry.
2561         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2562         rather than needs_output_symtab_entry.  Call
2563         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2564         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2565         is_output_symtab_index_set rather than needs_output_symtab_entry.
2566         * testsuite/discard_locals_relocatable_test.c: New file.
2567         * testsuite/discard_locals_test.sh: Test -r.
2568         * testsuite/Makefile.am (check_DATA): Add
2569         discard_locals_relocatable_test1.syms,
2570         discard_local_relocatable_test2.syms.
2571         (MOSTLYCLEANFILES): Likewise.  Also add
2572         discard_locals_relocatable_test1.lout and
2573         discard_locals_relocatable_test2.out.
2574         (discard_locals_relocatable_test1.syms): New target.
2575         (discard_locals_relocatable_test.o): New target.
2576         (discard_locals_relocatable_test1.out): New target.
2577         (discard_locals_relocatable_test2.syms): New target.
2578         (discard_locals_relocatable_test2.out): New target.
2579         (various): Add missing ../ld-new dependencies.
2580         * testsuite/Makefile.in: Rebuild.
2582 2010-03-03  Nick Clifton  <nickc@redhat.com>
2584         * po/fi.po: New Finnish translation.
2586 2010-03-01  Doug Kwan  <dougkwan@google.com>
2588         * layout.cc (Layout::Layout): Force section types of .init_array*,
2589         .preinit_array* and .fini_array* sections.
2590         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2591         Fix check of return value of std::string::find.().
2592         (Output_section::Input_section_sort_compare::operator()): Remove
2593         comment about .init_array.
2594         (Output_section::Input_section_sort_init_fini_compare::operator()):
2595         New method.
2596         (Output_section::sort_attached_input_sections): Handle .init_array
2597         and .fini_array specially.
2598         * output.h (Output_section::Inut_section_sort_compare): Update
2599         comment.
2600         (Output_section::Input_section_sort_init_fini_compare): New struct.
2602 2010-02-26  Doug Kwan  <dougkwan@google.com>
2604         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2605         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2606         * testsuite/debug_msg.sh: Avoid matching source line number for
2607         use of global variable undef_int.
2609 2010-02-26  Doug Kwan  <dougkwan@google.com>
2611         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2612         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2613         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2614         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2615         * options.cc (General_options::General_options): Initialize member
2616         fix_v4bx_.
2617         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2618         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2619         and rm_no_fix_v4bx.stdout
2620         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2621         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2622         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2623         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2624         and arm_no_fix_v4bx.
2625         * Makefile.in: Regenerate.
2626         * testsuite/arm_fix_v4bx.s: New file.
2627         * testsuite/arm_fix_v4bx.sh: Ditto.
2629 2010-02-24  Doug Kwan  <dougkwan@google.com>
2631         * arm.cc (Target_arm::got_section): Make the .got section the first
2632         non RELRO section in the data segment.
2633         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2634         suffixes of section names.
2636 2010-02-24  Doug Kwan  <dougkwan@google.com>
2638         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2639         flags and attributes merging if an input file is a binary file.
2640         * fileread.cc (Input_file::open): Record format of original file.
2641         * fileread.h (Input_file::Format): New enum type.
2642         (Input_file::Input_file): Initialize data member format_.
2643         (Input_file::format): New method definition.
2644         (Input_file::format_):: New data member.
2646 2010-02-24  Doug Kwan  <dougkwan@google.com>
2648         * arm.cc (Arm_output_data_got): New class.
2649         (ARM_TCB_SIZE): New constant
2650         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2651         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2652         If user uses a script with a SECTIONS clause, issue only a warning
2653         for a misplaced EXIDX input section.  Otherwise, issue an error.
2654         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2655         garbage collection.
2656         (Target_arm::got_mode_index_entry): Handle static linking.
2657         (Target_arm::Scan::local): Ditto.
2658         (Target_arm::Scan::global): Ditto.
2659         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2660         all incorrectly implemented relocations.
2661         (Target_arm::fix_exidx_coverage): Pass layout to
2662         Arm_output_section::fix_exidx_coverage.
2663         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2664         from ".ARM.exidx." and ".ARM.extab.".
2666 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2668         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2669         section if it does not already exist.
2670         * attributes.cc (Attributes_section_data::Attributes_section_data):
2671         Don't crash if size is zero.
2673 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2674             Ian Lance Taylor  <iant@google.com>
2676         * gold.cc (queue_middle_tasks): If no input files were opened,
2677         exit.
2678         * workqueue.h (Task_function::Task_function): Assert that there is
2679         a blocker.
2681 2010-02-22  Doug Kwan  <dougkwan@google.com>
2683         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2684         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2685         types to avoid warnings due to different uint64_t implementations
2686         on different hosts.
2688 2010-02-21  Doug Kwan  <dougkwan@google.com>
2690         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2691         handling of the maximum backward branch offset.
2692         (Arm_relocate_functions::thumb_branch_common): Ditto.
2693         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2694         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2695         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2696         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2697         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2698         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2699         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2700         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2701         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2702         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2703         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2704         thumb2_bl_out_of_range.o): New rules.
2705         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2706         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2707         thumb2_bl_out_of_range
2708         * testsuite/Makefile.in: Regenerate.
2709         * testsuite/arm_bl_in_range.s: New file.
2710         * testsuite/arm_bl_out_of_range.s: Ditto.
2711         * testsuite/arm_branch_in_range.sh: Ditto.
2712         * testsuite/arm_branch_range.t: Ditto.
2713         * testsuite/thumb2_branch_range.t: Ditto.
2714         * testsuite/thumb_bl_in_range.s: Ditto.
2715         * testsuite/thumb_bl_out_of_range.s: Ditto.
2716         * testsuite/thumb_branch_range.t: Ditto.
2718 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2720         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2721         Add reloc offset information.
2722         * icf.cc (get_section_contents): Change iterators to point to the new
2723         vectors. Add reloc offset information to the contents.
2724         * icf.h (Icf::Sections_reachable_info): New typedef.
2725         (Icf::Sections_reachable_list): New typedef.
2726         (Icf::Offset_info): New typedef.
2727         (Icf::Reloc_info): New struct typedef.
2728         (Icf::Reloc_info_list): New typedef.
2729         (Icf::symbol_reloc_list): Delete method.
2730         (Icf::addend_reloc_list): Delete method.
2731         (Icf::section_reloc_list): Delete method.
2732         (Icf::reloc_info_list): New method.
2733         (Icf::reloc_info_list_): New member.
2735 2010-02-19  Doug Kwan  <dougkwan@google.com>
2737         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2738         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2739         * arm.cc (Arm_relocation_functions): New forward declaration.
2740         (Target_arm::Target_arm): Initialize new data members
2741         got_mod_index_offset_ and tls_base_symbol_defined_.
2742         (Target_arm::Relocate::relocate_tls): New method.
2743         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2744          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2745         New methods.
2746         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2747         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2748         (Target_arm::got_mod_index_offset_,
2749         Target_arm::tls_base_symbol_defined_): New data members.
2750         (Target_arm::Scan::local, Target::Scan::global,
2751         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2752         relocations.
2754 2010-02-18  Doug Kwan  <dougkwan@google.com>
2756         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2757         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2758         text section as a parameter becuase some broken tools may not set
2759         the link in section header.
2760         (Target_arm::has_got_section): New method.
2761         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2762         without any mapping symbol as data only.  Remove warning.
2763         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2764         link in its section header, try to discover the link by inspecting the
2765         REL31 relocation at the beginning of the section.
2766         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2767         in error message.
2768         (Target_arm::Scan::global): Treat any reference to the symbol
2769         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2771 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2773         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2774         (Scan::global_reloc_may_be_function_pointer): New function.
2775         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2776         (Scan::global_reloc_may_be_function_pointer): New function.
2777         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2778         (Scan::global_reloc_may_be_function_pointer): New function.
2779         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2780         (Scan::global_reloc_may_be_function_pointer): New function.
2781         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2782         (Scan::global_reloc_may_be_function_pointer): New function.
2783         (Scan::possible_function_pointer_reloc): New function.
2784         (Target_x86_64::can_check_for_function_pointers): New function.
2785         * gc.h (gc_process_relocs): Scan relocation types to determine if
2786         function pointers were taken for targets that support it.
2787         * icf.cc (Icf::find_identical_sections): Include functions for
2788         folding in safe ICF whose pointer is not taken.
2789         * icf.h (Secn_fptr_taken_set): New typedef.
2790         (fptr_section_id_): New member.
2791         (section_has_function_pointers): New function.
2792         (set_section_has_function_pointers): New function.
2793         (check_section_for_function_pointers): New function.
2794         * options.h: Fix comment for safe ICF option.
2795         * target.h (can_check_for_function_pointers): New function.
2796         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2797         Modify icf_safe_test for X86-64.
2798         * testsuite/Makefile.in: Regenerate.
2799         * testsuite/icf_safe_so_test.cc: New file.
2800         * testsuite/icf_safe_so_test.sh: New file.
2801         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2802         (main): Change to take pointer to function kept_func_3.
2803         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2804         folding is done correctly for X86-64.
2806 2010-02-12  David S. Miller  <davem@davemloft.net>
2808         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2809         is_symbolless parameter.
2810         (Output_reloc<SHT_REL>::is_symbolless): New.
2811         (Output_reloc<SHT_REL>::is_symbolless_): New.
2812         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2813         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2814         (Output_reloc<SHT_RELA>::is_symbolless): New.
2815         (Output_data_reloc::add_global): Handle is_symbolless.
2816         (Output_data_reloc::add_global_relative): Likewise.
2817         (Output_data_reloc::add_local): Likewise.
2818         (Output_data_reloc::add_local_relative): Likewise.
2819         (Output_data_reloc::add_symbolless_global_addend): New.
2820         (Output_data_reloc::add_symbolless_local_addend): New.
2821         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2822         is_symbolless.
2823         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2824         instead of ->is_relative_
2825         (Output_reloc::write): Likewise.
2826         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2827         (Output_reloc::write_rel): Simplify.
2829         * sparc.cc (Target_sparc::Scan::local): Use
2830         ->add_symbolless_local_addend as needed.
2831         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2832         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2833         based upon relocation offset.
2835 2010-02-11  Doug Kwan  <dougkwan@google.com>
2837         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2838         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2839         beginning of function.
2840         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2841         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2842         parameter is_32bit in calls to should_apply_static_reloc.
2843         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2844         (check_DATA): Add arm_abs_global.stdout.
2845         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2846         arm_abs_global.stdout): New rules.
2847         (MOSTLLYCLEANFILES): Add arm_abs_global
2848         * Makefile.in: Regenerate.
2849         * testsuite/arm_abs_global.s: New file.
2850         * testsuite/arm_abs_global.sh: Ditto.
2851         * testsuite/arm_abs_lib.s: Ditto.
2853 2010-02-11  Ian Lance Taylor  <iant@google.com>
2855         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2856         Read_relocs task.
2857         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2858         Allocate_commons_task first.
2859         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2860         task, rather than symtab_lock_.
2861         (Gc_process_relocs::~Gc_process_relocs): New function.
2862         (Gc_process_relocs::is_runnable): Check this_blocker_.
2863         (Gc_process_relocs::locks): Use next_blocker_ rather than
2864         blocker_.
2865         (Scan_relocs::~Scan_relocs): New function.
2866         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2867         symtab_lock_.
2868         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2869         next_blocker_.
2870         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2871         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2872         constructor accordingly.
2873         (class Gc_process_relocs): Likewise.
2874         (class Scan_relocs): Likewise.
2875         * common.h (class Allocate_commons_task): Remove symtab_lock_
2876         field, and corresponding constructor parameter.
2877         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2878         symtab_lock_.
2879         (Allocate_commons_task::locks): Likewise.
2881 2010-02-11  Ian Lance Taylor  <iant@google.com>
2883         * gold-threads.h (class Once): Define.
2884         (class Initialize_lock): Rewrite as child of Once.
2885         * gold-threads.cc (class Once_initialize): Define.
2886         (once_pointer_control): New static variable.
2887         (once_pointer, once_arg): New static variables.
2888         (c_run_once): New static function.
2889         (Once::Once, Once::run_once, Once::internal_run): New functions.
2890         (class Initialize_lock_once): Remove.
2891         (initialize_lock_control): Remove.
2892         (initialize_lock_pointer): Remove.
2893         (initialize_lock_once): Remove.
2894         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2895         (Initialize_lock::initialize): Rewrite.
2896         (Initialize_lock::do_run_once): New function.
2897         * archive.cc (Archive::interpret_header): Only clear name if it is
2898         not already empty.
2899         * fileread.cc: Include "gold-threads.h"
2900         (file_counts_lock): New static variable.
2901         (file_counts_initialize_lock): Likewise.
2902         (File_read::release): Only increment counts when using --stats.
2903         Use a lock around the increment.
2904         * parameters.cc (class Set_parameters_target_once): Define.
2905         (set_parameters_target_once): New static variable.
2906         (Parameters::Parameters): Move here from parameters.h.
2907         (Parameters::set_target): Rewrite.
2908         (Parameters::set_target_once): New function.
2909         (Parameters::clear_target): Move here and rewrite.
2910         * parameters.h (class Parameters): Update declarations.  Add
2911         set_parameters_target_once_ field.
2912         (Parameters::Parameters): Move to parameters.cc.
2913         (Parameters::clear_target): Likewise.
2914         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2915         task.
2916         (Start_group::~Start_group): New function.
2917         (Start_group::is_runnable): New function.
2918         (Start_group::locks, Start_group::run): New functions.
2919         (Finish_group::run): Change saw_undefined to size_t.
2920         * readsyms.h (class Start_group): Define.
2921         (class Finish_group): Change saw_undefined_ field to size_t.
2922         (Finish_group::Finish_group): Remove saw_undefined and
2923         this_blocker parameters.  Change all callers.
2924         (Finish_group::set_saw_undefined): New function.
2925         (Finish_group::set_blocker): New function.
2926         * symtab.h (class Symbol_table): Change saw_undefined to return
2927         size_t.  Change saw_undefined_ field to size_t.
2928         * target-select.cc (Set_target_once::do_run_once): New function.
2929         (Target_selector::Target_selector): Initialize set_target_once_
2930         field.  Don't initialize lock_ and initialize_lock_ fields.
2931         (Target_selector::instantiate_target): Rewrite.
2932         (Target_selector::set_target): New function.
2933         * target-select.h (class Set_target_once): Define.
2934         (class Target_selector): Update declarations.  Make
2935         Set_target_once a friend.  Remove lock_ and initialize_lock_
2936         fields.  Add set_target_once_ field.
2938 2010-02-10  Ian Lance Taylor  <iant@google.com>
2940         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2941         queueing any tasks.
2942         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2943         (queue_middle_tasks): Add all blockers before queueing any tasks.
2944         (queue_final_tasks): Likewise.
2945         * token.h (Task_token::add_blockers): New function.
2946         * object.h (Input_objects::number_of_relobjs): New function.
2948 2010-02-10  Ian Lance Taylor  <iant@google.com>
2950         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2951         shared, not if not position independent.
2952         * x86_64.cc (Relocate::relocate_tls): Likewise.
2953         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2954         (tls_pie_pic_test): New target.
2955         * testsuite/Makefile.in: Rebuild.
2957         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2958         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2959         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2960         * testsuite/Makefile.in: Rebuild.
2962 2010-02-09  David S. Miller  <davem@davemloft.net>
2964         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2965         R_SPARC_RELATIVE using ->add_local_relative().
2966         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2968         * output.h (Output_data_dynamic::add_section_size): New method
2969         that takes two Output_data objects.
2970         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2971         entry param.  Handle it in initializers.
2972         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2973         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2974         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2975         arg.
2976         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2977         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2978         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2979         for dynrel_includes_plt.
2980         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2981         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2982         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2983         before .rela.plt
2984         (Target_sparc::do_finalize_sections): Update to pass true for
2985         dynrel_includes_plt.
2986         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2987         output before .rela.plt
2988         (Target_powerpc::do_finalize_sections): Update to pass true for
2989         dynrel_includes_plt when 32-bit.
2991 2010-02-08  Doug Kwan  <dougkwan@google.com>
2993         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2994         method.
2995         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2996         Arm_relobj::scan_section_for_cortex_a8_stubs,
2997         Arm_relobj::do_relocation_section): Instead of calling
2998         Output_section::output_address, use faster
2999         Arm_relobj::simple_input_section_output_address.
3001 2010-02-08  David S. Miller  <davem@davemloft.net>
3003         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
3004         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
3005         relocation helper function.
3007         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
3008         just like R_SPARC_GOT{10,13,22}.
3009         (Target_sparc::Scan::local): Likewise.
3010         (Target_sparc::Relocate:relocate): Likewise.
3012 2010-02-06  Ian Lance Taylor  <iant@google.com>
3014         * configure.ac: Rewrite targetobjs duplicate removal code to use
3015         only shell constructs.
3016         * configure: Rebuild.
3018 2010-02-05  Doug Kwan  <dougkwan@google.com>
3020         PR 11247
3021         * arm.cc (Arm_relobj::section_is_scannable): New method.
3022         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
3023         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
3025 2010-02-04  Doug Kwan  <dougkwan@google.com>
3027         PR 11247
3028         * arm-reloc-property.cc (cstdio): Include.
3029         * configure.ac (targetobjs): Remove duplicates.
3030         * configure: Regenerate.
3031         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
3032         big and little endian version for a given address size.
3034 2010-02-03  Doug Kwan  <dougkwan@google.com>
3036         * arm-reloc-property.cc
3037         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3038         definition.
3039         * arm-reloc-property.h
3040         (Arm_reloc_property_table::get_implemented_static_reloc_property):
3041         New method definition.
3042         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3043         declaration.
3044         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
3045         overflow to N.
3046         (GOT_PREL): Change implemented to Y.
3047         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
3048         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
3049         (Arm_relocate_functions::movw_abs_nc): Remove method.
3050         (Arm_relocate_functions::movt_abs): Ditto.
3051         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
3052         (Arm_relocate_functions::thm_movt_abs): Ditto.
3053         (Arm_relocate_functions::movw_rel_nc): Ditto.
3054         (Arm_relocate_functions::movw_rel): Ditto.
3055         (Arm_relocate_functions::movt_rel): Ditto.
3056         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
3057         (Arm_relocate_functions:thm_movw_rel): Ditto.
3058         (Arm_relocate_functions:thm_movt_rel): Ditto.
3059         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
3060         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
3061         New method definitions.
3062         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
3063         (Arm_relocation_functions::arm_grp_ldr): Ditto.
3064         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
3065         (Arm_relocation_functions::arm_grp_ldc): Ditto.
3066         (Target_arm::Relocate::relocate): Check for non-static or
3067         unimplemented relocation code and exit early.  Change calls to
3068         Target_arm::reloc_uses_thumb_bit and
3069         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
3070         instead.  Refactor code to handle similar relocations to increase
3071         code sharing.  Remove check for unsupported relocation code in switch
3072         statement.
3073         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
3074         relocation property table to find out size.  Change error message to
3075         print out the name of a relocation code instead of the numeric value.
3076         (Target_arm::scan_reloc_for_stub): Use relocation property table
3077         instead of calling Target_arm::reloc_uses_thumb_bit().
3079 2010-02-02  Doug Kwan  <dougkwan@google.com>
3081         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
3082         types of relaxed input section.
3084 2010-02-02  Doug Kwan  <dougkwan@google.com>
3086         * Makefile.am (HFILES): Add arm-reloc-property.h.
3087         (DEFFILES): New.
3088         (TARGETSOURCES): Add arm-reloc-property.cc
3089         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
3090         (libgold_a_SOURCES): $(DEFFILES)
3091         * Makefile.in: Regenerate.
3092         * arm-reloc-property.cc: New file.
3093         * arm-reloc-property.h: New file.
3094         * arm-reloc.def: New file.
3095         * arm.cc: Update comments.
3096         (arm-reloc-property.h): New included header.
3097         (arm_reloc_property_table): New global variable.
3098         (Target_arm::do_select_as_default_target): New method definition.
3099         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
3100         arm-reloc-property to targ_extra_obj.
3101         * parameters.cc (set_parameters_target): Call
3102         Target::select_as_default_target().
3103         * target.h (Target::select_as_default_target): New method definition.
3104         (Target::do_select_as_default_target): Same.
3106 2010-02-01  Doug Kwan  <dougkwan@google.com>
3108         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
3109         first_output_text_section_.
3110         (Arm_exidx_fixup::first_output_text_section): New method definition.
3111         (Arm_exidx_fixup::first_output_text_section_): New data member.
3112         (Arm_exidx_fixup::process_exidx_section): Record the first text
3113         output section seen.
3114         (Arm_output_section::fix_exidx_coverage): Set correct linked section
3115         and entsize in output section header.
3117 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3119         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
3120         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
3121         (Arm_relocate_functions::thm_alu11): New Method.
3122         (Arm_relocate_functions::thm_pc8): New Method.
3123         (Arm_relocate_functions::thm_pc12): New Method.
3124         (Target_arm::Scan::local): Handle the relocations.
3125         (Target_arm::Scan::global): Likewise.
3126         (Target_arm::Relocate::relocate): Likewise.
3127         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3129 2010-01-29  Doug Kwan  <dougkwan@google.com>
3131         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
3132         of relocation types as ld.
3134 2010-01-29  Doug Kwan  <dougkwan@google.com>
3136         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
3137         to public.
3138         (Arm_relocate_functions::thumb_branch_common): Ditto.
3139         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
3140         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
3141         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
3142         Arm_relocate_functions::jump24): Remove.
3143         (Target_arm::Relocate::relocate): Adjust code to call
3144         Arm_relocation_functions::arm_branch_common and
3145         Arm_relocation_functions::thumb_branch_common instead of their removed
3146         wrappers.  Merge switch-cases together to reduce source code size.
3148 2010-01-29  Doug Kwan  <dougkwan@google.com>
3150         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
3151         output_local_symbol_count_needs_update_.
3152         (Arm_relobj::output_local_symbol_count_needs_update,
3153          Arm_relobj::set_output_local_symbol_count_needs_update,
3154          Arm_relobj::update_output_local_symbol_count): New methods.
3155         (Arm_relobj::output_local_symbol_count_needs_update_): New data
3156         member.
3157         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
3158         of pointed function as in a R_ARM_PREL31 relocation.
3159         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
3160         for output local symbol count updating.
3161         (Target_arm::do_relax): Update output local symbol counts in objects
3162         if necessary.
3163         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
3165 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3167         * arm.cc: Added support for the ARM relocations:
3168         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
3169         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
3170         (Arm_relocate_functions::movw_rel_nc): Renamed (was
3171         movw_prel_nc).
3172         (Arm_relocate_functions::movw_rel): New method.
3173         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
3174         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
3175         thm_movw_prel_nc).
3176         (Arm_relocate_functions::thm_movw_rel): New method.
3177         (Arm_relocate_functions::thm_movt_rel): Renamed (was
3178         thm_movt_prel).
3179         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
3180         relocations.
3181         (Target_arm::Scan::global): Likewise.
3182         (Target_arm::Relocate::relocate): Likewise.
3183         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3184         Likewise.
3186 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3188         * arm.cc: Added support for ARM group relocations.
3189         (Target_arm::reloc_needs_sym_origin): New method.
3190         (Arm_relocate_functions::calc_grp_kn): New method.
3191         (Arm_relocate_functions::calc_grp_residual): New method.
3192         (Arm_relocate_functions::calc_grp_gn): New method.
3193         (Arm_relocate_functions::arm_grp_alu): New Method.
3194         (Arm_relocate_functions::arm_grp_ldr): New Method.
3195         (Arm_relocate_functions::arm_grp_ldrs): New Method.
3196         (Arm_relocate_functions::arm_grp_ldc): New Method.
3197         (Target_arm::Scan::local): Handle the ARM group relocations.
3198         (Target_arm::Scan::global): Likewise.
3199         (Target_arm::Relocate::relocate): Likewise.
3200         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3201         Likewise.
3203 2010-01-26  Doug Kwan  <dougkwan@google.com>
3205         * arm.cc (set): Include.
3206         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3207         pointer type.
3208         (Arm_output_section::Text_section_list): New type.
3209         (Arm_output_section::append_text_sections_to_list): New method.
3210         (Arm_output_section::fix_exidx_coverage): Ditto.
3211         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3212         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3213         Relobj::set_section_offset() instead of
3214         Sized_relobj::invalidate_section_offset().
3215         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3216         parameter for section headers. Ignore relocation sections for
3217         unallocated sections and EXIDX sections.
3218         (Target_arm::fix_exidx_coverage): New method.
3219         (Target_arm::output_section_address_less_than): New type.
3220         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3221         linked text section instead of the EXIDX section.
3222         (Arm_output_section::create_stub_group): Add an assertion to check
3223         that this is not an EXIDX output section.
3224         (Arm_output_section::append_text_sections_to_list): New method.
3225         (Arm_output_section::fix_exidx_coverage): Ditto.
3226         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3227         Arm_relobj::section_needs_reloc_stub_scanning.
3228         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3229         first pass.
3230         (Target_arm::fix_exidx_coverage): New method.
3231         * object.h (Relobj::set_output_section): New method.
3232         (Sized_relobj::invalidate_section_offset): Remove method.
3233         (Sized_relobj::do_invalidate_section_offset): Remove method.
3234         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3236 2010-01-25  Doug Kwan  <dougkwan@google.com>
3238         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3239         Fix warning due to signed and unsigned comparison on a 32-bit host.
3241 2010-01-22  Doug Kwan  <dougkwan@google.com>
3243         * arm.cc (Target_arm::do_relax): Record an output section for section
3244         offset adjustment it contains any stub table that has changed.
3245         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3246         offsets in an output section if necessary.
3247         * output.cc (Output_section::Output_section): Initialize
3248         section_offsets_need_adjustments_.
3249         (Output_section::add_input_section_for_script): Renamed to
3250         Output_section::add_simple_input_section.
3251         (Output_section::save_states): Add a comment.
3252         (Output_section::discard_states): New method defintion.
3253         (Output_section::adjust_section_offsets): Same.
3254         * output.h (Output_section::add_input_section_for_script): Renamed to
3255         Output_section::add_simple_input_section.
3256         (Output_section::discard_states): New method declaration.
3257         (Output_section::adjust_section_offsets): Same.
3258         (Output_section::section_offsets_need_adjustment,
3259         Output_section::set_section_offsets_need_adjustment): New method
3260         definitions.
3261         (Output_section::section_offsets_need_adjustment_): New data member.
3262         * script-sections.cc
3263         (Output_section_element_input::set_section_address): Adjust code for
3264         renaming of Output_section::add_input_section_for_script.
3265         (Orphan_output_section::set_section_address): Same.
3267 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3269         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3270         Fix_v4bx enum values .
3271         * gold/options.h (General_options): New option definitions.
3272         (General_options::fix_v4bx): New method.
3273         (General_options::Fix_v4bx): New enum.
3274         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3275         (General_options::parse_fix_v4bx_interworking): New method.
3277 2010-01-22  Doug Kwan  <dougkwan@google.com>
3279         * arm.cc (Arm_exidx_fixup): New class.
3281 2010-01-21  Doug Kwan  <dougkwan@google.com>
3283         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3284         classes.
3285         (Arm_exidx_section_offset_map): New type.
3287 2010-01-21  Doug Kwan  <dougkwan@google.com>
3289         * arm.cc (Arm_exidx_input_section): New class.
3290         (Arm_relobj::exidx_input_section_by_link,
3291         Arm_relobj::exidx_input_section_by_shndx,
3292         Arm_relobj::make_exidx_input_section): New methods.
3293         (read_arm_attributes_section): Remove.
3294         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3295         information about them.
3296         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
3297         to here.
3299 2010-01-20  Doug Kwan  <dougkwan@google.com>
3301         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
3302         Input_section_specifier to Section_id.
3303         (Target_arm::new_arm_input_section: Adjust code for change of key
3304         type.
3305         (Target_arm::find_arm_input_section): Ditto.
3306         * gc.h (object.h): Include for Section_id nand Section_id_hash.
3307         (Section_id): Remove.
3308         (Garbage_collection::Section_id_hash): Remove.
3309         * icf.h (object.h): Include for Section_id nand Section_id_hash.
3310         (Section_id): Remove.
3311         (Icf::Section_id_hash): Remove.
3312         * object.h (Section_id, Const_section_id, Section_id_hash,
3313         Const_section_id_hash): New type definitions.
3314         * output.cc (Output_section::add_relaxed_input_section): Change to
3315         use Const_section_id instead of Input_section_specifier as key type.
3316         (Output_section::add_merge_input_section): Ditto.
3317         (Output_section::build_relaxation_map): Change to use Section_id
3318         instead of Input_section_specifier as key type.
3319         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3320         Ditto.
3321         (Output_section::convert_input_sections_to_relaxed_sections): Change
3322         to use Const_section_id instead of Input_section_specifier as key type.
3323         (Output_section::find_merge_section): Ditto.
3324         (Output_section::find_relaxed_input_section): Ditto.
3325         * output.h (Input_section_specifier): Remove class.
3326         (Output_section::Output_section_data_by_input_section_map): Change
3327         key type to Const_section_id.
3328         (Output_section::Output_relaxed_input_section_by_input_section_map):
3329         Ditto.
3330         (Output_section::Relaxation_map): Change key type to Section_id.
3332 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3334         * gold/arm.cc: Added support for R_ARM_V4BX relocation
3335         (class Arm_v4bx_stub): New class.
3336         (DEF_STUBS): Updated definition to support v4_veneer_bx.
3337         (Stub_factory::make_arm_v4bx_stub): New method.
3338         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
3339         (Stub_table::empty): Handle v4bx stubs.
3340         (Stub_table::add_arm_v4bx_stub): New method.
3341         (Stub_table::find_arm_v4bx_stub): New method.
3342         (Arm_relocate_functions::v4bx): New method.
3343         (Target_arm::fix_v4bx): New method.
3344         (Target_arm::Target_arm): Handle R_ARM_V4BX.
3345         (Stub_table::relocate_stubs): Likewise.
3346         (Stub_table::do_write): Likewise.
3347         (Stub_table::update_data_size_and_addralign): Likewise.
3348         (Stub_table::finalize_stubs):  Likewise.
3349         (Target_arm::Scan::local): Likewise.
3350         (Target_arm::Scan::global): Likewise.
3351         (Target_arm::do_finalize_sections): Likewise.
3352         (Target_arm::Relocate::relocate): Likewise.
3353         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3354         Likewise.
3355         (Target_arm::scan_reloc_for_stub): Likewise.
3356         (Target_arm::scan_reloc_section_for_stubs): Likewise.
3358 2010-01-19  Ian Lance Taylor  <iant@google.com>
3360         * output.cc (Output_section_headers::do_sized_write): Write large
3361         segment count to sh_info field.
3362         (Output_file_header::do_sized_write): For large segment count,
3363         write PN_XNUM to e_phnum field.
3365 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3367         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
3368         (Arm_relocate_functions::thm_jump8): New function.
3369         (Arm_relocate_functions::thm_jump11): New function.
3370         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
3371         R_ARM_THM_JUMP11.
3372         (Target_arm::Scan::global): Likewise.
3373         (Target_arm::Relocate::relocate): Likewise.
3374         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3375         Likewise.
3377 2010-01-14  Doug Kwan  <dougkwan@google.com>
3379         * arm.cc (map, utility): Include headers.
3380         (Target_arm::apply_cortex_a8_workaround): New method.
3381         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
3382         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
3383         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
3384         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
3385         the --[no-]fix-cortex-a8 command line options.
3386         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
3387         (Target_arm::relocate_stub): Use addend in instruction template.
3388         * options.h (DEFINE_bool): Set the user-set flag.
3389         (General_options): Add --[no-]-fix-cortex options.
3390         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
3391         : Update fast look-up map after conversion.
3393 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
3395         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
3396         in the first pass of do_layout.
3398 2010-01-13  Doug Kwan  <dougkwan@google.com>
3400         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3401         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
3402         apparent compiler problem of not folding static constant integral
3403         data members of elfcpp::Elf_sizes<32>.
3405 2010-01-13  Doug Kwan  <dougkwan@google.com>
3407         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3408         Arm_relobj::section_needs_cortex_a8_stub_scanning,
3409         Arm_relobj::scan_section_for_cortex_a8_erratum,
3410         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
3411         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
3412         sections to scan for relocation stubs into a new method
3413         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
3414         relocation and Cortex-A8 stub scanning.
3415         (Target_arm::do_relax): Force stubs to be after stubbed sections
3416         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
3417         the beginning of a new relaxation pass.  Update a comment.
3418         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
3420 2010-01-12  Ian Lance Taylor  <iant@google.com>
3422         * target-reloc.h (visibility_error): New inline function.
3423         (relocate_section): Call visibility_error.
3424         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
3425         (MOSTLYCLEANFILES): Likewise.
3426         (protected_4_pic.o, protected_3.err): New targets.
3427         * testsuite/protected_4.cc: New file.
3429 2010-01-12  Doug Kwan  <dougkwan@google.com>
3431         * arm.cc (Cortex_a8_reloc): New class.
3432         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
3433         and cortex_a8_relocs_info_.
3434         (Target_arm::fix_cortex_a8): New method definition.
3435         (Target_arm::Cortex_a8_relocs_info): New type.
3436         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
3437         New data member declarations.
3438         (Target_arm::scan_reloc_for_stub): Record information about
3439         relocations for THUMB branches that might be exempted from the
3440         Cortex-A8 workaround.
3441         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
3442         at the beginning of a relaxation pass.
3444 2010-01-12  Doug Kwan  <dougkwan@google.com>
3446         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
3447         (Arm_relobj::Mapping_symbol_position,
3448          Arm_reloj::Mapping_symbol_position_less,
3449          Arm_relobj::Mapping_symbols_info): New types.
3450         (Target_arm::is_mapping_symbol_name): New method definition.
3451         (Arm_relobj::do_count_local_symbols): Save information about mapping
3452         symbols.
3454 2010-01-11  Doug Kwan  <dougkwan@google.com>
3456         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
3457         Arm_relocate_functions::thumb32_branch_upper,
3458         Arm_relocate_functions::thumb32_branch_lower,
3459         Arm_relocate_functions::thumb32_cond_branch_offset,
3460         Arm_relocate_functions::thumb32_cond_branch_upper,
3461         Arm_relocate_functions::thumb32_cond_branch_lower,
3462         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
3463         branch offset encoding.
3464         (Arm_relocate_functions::thumb_branch_common): Use new branch
3465         offset encoding methods to avoid code duplication.
3466         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3467         (Stub_addend_reader::operator()): Use new branch encoding method
3468         to avoid code duplication.
3470 2010-01-11  Doug Kwan  <dougkwan@google.com>
3472         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3473         (Target_arm::do_finalize_sections): Define special EXIDX section
3474         symbols only if referenced.
3475         * gc.h (Garbage_collection::add_reference): New method.
3476         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3477         code duplication.
3479 2010-01-11  Ian Lance Taylor  <iant@google.com>
3481         * script.cc (Version_script_info::build_expression_list_lookup):
3482         Change complaing about duplicate wildcard match from error to
3483         warning.
3485         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3486         of 2009-12-30.
3487         (Version_script_info::Version_script_info): Initialize globs_,
3488         default_version_, default_is_global_, and exact_.  Don't
3489         initialize globals_ or locals_.
3490         (Version_script_info::build_lookup_tables): Build local symbols
3491         first.
3492         (Version_script_info::unquote): New function.
3493         (Version_script_info::add_exact_match): New function.
3494         (Version_script_info::build_expression_list_lookup): Remove lookup
3495         parameter.  Add is_global parameter.  Change all callers.  Handle
3496         wildcard pattern specially.  Unquote pattern.  Call
3497         add_exact_match.
3498         (Version_script_info::get_name_to_match): New function.
3499         (Version_script_info::get_symbol_version): New function.
3500         (Version_script_info::get_symbol_version_helper): Remove.
3501         (Version_script_info::check_unmatched_names): Call unquote.
3502         * script.h (class Version_script_info): Change get_symbol_version
3503         to be non-inline and add is_global parameter; change all callers.
3504         Rewrite symbol_is_local.  Update declarations.  Define struct
3505         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3506         Remove globals_ and locals_ members.  Add exact_, globs_,
3507         default_version_, is_global_.
3508         (Version_script_info::Glob): Remove pattern, add expression and
3509         is_global.  Update constructor.  Change all callers.
3510         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3511         default version.
3512         (Versions::symbol_section_contents): If a symbol is undefined, or
3513         defined in a dynamic object, set the version index to
3514         VER_NDX_LOCAL.
3515         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3516         symbol_is_local.
3517         (Symbol_table::add_from_pluginobj): Likewise.
3518         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3520 2010-01-11  Doug Kwan  <dougkwan@google.com>
3522         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3523         (incremental_dump_LDADD): Add linking option for libintl.
3524         * Makefile.in: Regenerate.
3526 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3528         PR gold/11144
3529         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3530         instead of -Ds.
3531         * testsuite/Makefile.in: Regenerated.
3533 2010-01-10  Doug Kwan  <dougkwan@google.com>
3535         * options.h (DEFINE_var): Use parentheses around argument varname__
3536         in macro body to avoid any unintended subsequent substitutions.
3538 2010-01-10  Ian Lance Taylor  <iant@google.com>
3540         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3541         candidates before doing symbol resolution.
3543         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3544         ODR candidates if only one is weak.
3546 2010-01-08  Ian Lance Taylor  <iant@google.com>
3548         * script.cc (Version_script_info::build_expression_list_lookup):
3549         Don't warn about ambiguous version, just record the ambiguity.
3550         (Version_script_info::get_symbol_version_helper): Give error if
3551         version is ambiguous.
3553 2010-01-08  Doug Kwan  <dougkwan@google.com>
3555         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3556           prev_data_size_ and prev_addralign_.  Remove initializer for
3557           deleted data member has_been_changed_.
3558           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3559           to determine if the table is empty.
3560           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3561           Remove.
3562           (Stub_table::add_reloc_stub): Define method in class definition
3563           instead of just declaring it there.
3564           (Stub_table::add_cortex_a8_stub): New method definition.
3565           (Stub_table::update_data_size_and_addralign): Ditto.
3566           (Stub_table::finalize_stubs): Ditto.
3567           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3568           (Stub_table::do_addralign_): Return address alignment in the
3569           (Stub_table::do_reset_address_and_file_offset): Define method in
3570           class definition instead of declaring it there.  Set current data
3571           size to be the data size of the previous pass.
3572           (Stub_table::set_final_data_size): Use current data size as the
3573           final data size.
3574           (Stub_table::relocate_stub): Change parameter type of stub from
3575           Reloc_stub pointer to Stub pointer.
3576           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3577           (Stub_table::Cortex_a8_stub_list): New typedef.
3578           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3579            Stub_table::prev_addralign_): New data member.
3580           (Arm_relobj::Arm_relobj): Initialize data member
3581           section_has_cortex_a8_workaround_.
3582           (Arm_relobj::section_has_cortex_a8_workaround,
3583            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3584            definitions.
3585           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3586           declarations.
3587           (Target_arm::relocate_stub): Change parameter type of stub from
3588           Reloc_stub pointer to Stub pointer.
3589           (Insn_template::size, Insn_template::alignment): Handle
3590           THUMB16_SPECIAL_TYPE.
3591           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3592            Stub_table::update_data_size_and_addralign,
3593            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3594           definitions.
3595           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3596           (Stub_table::do_write): Ditto.
3597           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3599 2010-01-08  Ian Lance Taylor  <iant@google.com>
3601         PR 11108
3602         * symtab.h (class Symbol): Remove fields is_target_special_ and
3603         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3604         (Symbol::is_defined_in_discarded_section): New function.
3605         (Symbol::set_is_defined_in_discarded_section): New function.
3606         (Symbol::has_plt_offset): Rewrite.
3607         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3608         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3609         Don't initialize is_target_special_ or has_plt_offset_.
3610         Initialize is_defined_in_discarded_section_.
3611         (Symbol_table::add_from_relobj): If appropriate, set
3612         is_defined_in_discarded_section.
3613         * resolve.cc (Symbol::override_base_with_special): Don't test
3614         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3615         * target-reloc.h (relocate_section): Do special handling for
3616         symbols defined in discarded sections for global symbols as well
3617         as local symbols.
3619 2010-01-08  Ian Lance Taylor  <iant@google.com>
3621         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3622         the SHT_SYMTAB case.
3624 2010-01-08  Ian Lance Taylor  <iant@google.com>
3626         * object.cc (Sized_relobj::do_layout): Don't get confused if
3627         layout_eh_frame returns NULL.
3629 2010-01-08  Ian Lance Taylor  <iant@google.com>
3631         PR 11084
3632         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3633         dynamic symbol table, use the normal symbol table.
3634         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3635         symbol table.
3637 2010-01-08  Ian Lance Taylor  <iant@google.com>
3639         PR 11072
3640         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3641         sections.
3643 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3645         * version.cc (print_version): Change to "Copyright 2010".
3647 2010-01-08  Ian Lance Taylor  <iant@google.com>
3649         PR 10287
3650         PR 11063
3651         * i386.cc (class Target_i386): Change return type of plt_section
3652         to be non-const.
3653         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3654         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3655         tls_desc_rel_ field.
3656         (Output_data_plt_i386::rel_tls_desc): New function.
3657         (Target_i386::rel_tls_desc_section): New function.
3658         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3659         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3660         R_386_TLS_DESC reloc in rel_tls_desc_section.
3661         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3662         Define struct Tlsdesc_info.
3663         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3664         (Target_x86_64::do_reloc_symbol_index): New function.
3665         (Target_x86_64::add_tlsdesc_info): New function.
3666         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3667         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3668         tlsdesc_rel_ field.
3669         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3670         all callers.
3671         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3672         (Target_x86_64::rela_tlsdesc_section): New function.
3673         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3674         handling.
3675         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3676         (Target_x86_64::do_reloc_addend): New function.
3677         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3678         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3679         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3680         (Output_reloc::type): New function.
3681         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3682         (Output_reloc::is_target_specific): New function.
3683         (Output_reloc::target_arg): New function.
3684         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3685         absolute relocs and target specific relocs.
3686         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3687         add_target_specific.
3688         (class Output_data_reloc) [SHT_RELA]: Likewise.
3689         * output.cc (Output_reloc::Output_reloc): Add four new versions
3690         for absolute relocs and target specific relocs.
3691         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3692         (Output_reloc::get_symbol_index): Likewise.
3693         (Output_reloc::local_section_offset): Check that local_sym_index_
3694         is not TARGET_CODE or 0.
3695         (Output_reloc::symbol_value): Likewise.
3696         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3697         reloc.
3698         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3699         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3700         functions.
3701         * layout.cc (add_target_dynamic_tags): Use output section for
3702         DT_PLTRELSZ and DT_JMPREL.
3704 2010-01-07  Ian Lance Taylor  <iant@google.com>
3706         PR 11061
3707         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3708         function.
3709         (class Output_data_reloc_generic): Define.
3710         (class Output_data_reloc_base): Change base class to
3711         Output_data_reloc_generic.  Change add() method to call
3712         bump_relative_reloc_count for a relative reloc.  Remove
3713         sort_relocs_ field.
3714         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3715         to sort_relocs().
3716         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3717         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3718         appropriate.
3719         * layout.h (class Layout): Update declaration.
3721 2010-01-07  Ian Lance Taylor  <iant@google.com>
3723         * output.h (class Output_data): Add const version of
3724         output_section and do_output_section.
3725         (class Output_section_data): Add const version of
3726         do_output_section.
3727         (class Output_section): Likewise.
3728         * layout.cc (Layout::add_target_dynamic_tags): New function.
3729         * layout.h (class Layout): Update declarations.
3730         * arm.cc (Target_arm::do_finalize_sections): Use
3731         add_target_dynamic_tags.
3732         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3733         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3734         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3735         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3737 2010-01-07  Ian Lance Taylor  <iant@google.com>
3739         PR 11042
3740         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3741         object as needed.
3743 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3744             Ian Lance Taylor  <iant@google.com>
3746         PR 11019
3747         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3748         Xindex::read_symtab_xindex.
3750 2010-01-07  Doug Kwan  <dougkwan@google.com>
3752         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3753         (Insn_template::thumb16_bcond_insn): New method declaration.
3754         (Insn_template): Fix spelling.
3755         (Stub::thumb16_special): New method declaration.
3756         (Stub::do_write): Define virtual method which was previously pure
3757         virtual.
3758         (Stub::do_thumb16_special): New method declaration.
3759         (Stub::do_fixed_endian_write): New template member.
3760         (Reloc_stub::do_write): Remove.
3761         (Reloc_stub::do_fixed_endian_write): Remove.
3762         (Cortex_a8_stub): New class definition.
3763         (Stub_factory::make_cortex_a8_stub): New method definition.
3764         (Stub_factory::Stub_factory): Add missing static storage class
3765         qualifier for elf32_arm_stub_a8_veneer_blx.
3767 2010-01-07  Ian Lance Taylor  <iant@google.com>
3769         PR 10980
3770         * options.h (class General_options): Add --warn-unresolved-symbols
3771         and --error-unresolved-symbols.
3772         * errors.cc (Errors::undefined_symbol): Implement
3773         --warn-unresolved-symbols.
3775         * options.h (class General_options): Add -z text and -z textoff.
3776         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3778 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3780         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3781         (Garbage_collection::cident_sections): New function.
3782         (Garbage_collection::add_cident_section): New function.
3783         (Garbage_collection::cident_sections_): New member.
3784         (gc_process_relocs): Add references to sections whose names are C
3785         identifiers.
3786         * gold.h (cident_section_start_prefix): New constant.
3787         (cident_section_stop_prefix): New constant.
3788         (is_cident): New function.
3789         * layout.cc (Layout::define_section_symbols): Replace string constants
3790         with the newly defined constants.
3791         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3792         C identifiers.
3793         * testsuite/Makefile.am: Add gc_orphan_section_test.
3794         * testsuite/Makefile.in: Regenerate.
3795         * testsuite/gc_orphan_section_test.cc: New file.
3796         * testsuite/gc_orphan_section_test.sh: New file.
3798 2010-01-06  Ian Lance Taylor  <iant@google.com>
3800         PR 10980
3801         * options.h (class General_options): Add --warn-shared-textrel.
3802         * layout.cc (Layout::finish_dynamic_section): Implement
3803         --warn-shared-textrel.
3805         PR 10980
3806         * options.h (class General_options): Add --warn-multiple-gp.
3808 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3810         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3811         $(THREADSLIB) and $(LIBDL).
3812         * Makefile.in: Rebuild.
3814 2010-01-06  Ian Lance Taylor  <iant@google.com>
3816         PR 10980
3817         * options.cc (General_options::parse_section_start): New function.
3818         (General_options::section_start): New function.
3819         (General_options::General_options): Initialize all members.
3820         * options.h: Include <map>
3821         (class General_options): Add --section-start.  Add section_starts_
3822         member.
3823         * layout.cc (Layout::attach_allocated_section_to_segment): If
3824         --section-start was used, set the address of the segment.  Remove
3825         local sort_sections.
3826         (Layout::relaxation_loop_body): If the address of the load segment
3827         has been set by --section-start, don't use it.
3828         * output.h (Output_segment::update_flags_for_output_section): New
3829         function.
3830         * output.cc (Output_segment::add_output_section): Call
3831         update_flags_for_output_section.
3833 2010-01-05  Ian Lance Taylor  <iant@google.com>
3835         PR 10980
3836         * options.h (class General_options): Add --undefined-version.
3837         * script.cc (struct Version_expression): Add was_matched_by_symbol
3838         field.
3839         (Version_script_info::matched_symbol): New function.
3840         (Version_script_info::get_symbol_version_helper): Call
3841         matched_symbol.
3842         (Version_script_info::check_unmatched_names): New function.
3843         * script.h (class Version_script_info): Update declarations.
3844         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3846         * options.h (class General_options): Use DEFINE_bool_alias for
3847         allow_multiple_definition.
3848         * resolve.cc (Symbol_table::should_override): Don't test
3849         allow_multiple_definition.
3851         PR 10980
3852         * options.h (class General_options): Add --cref.
3853         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3854         until after printing cref table.
3855         * cref.cc: Include "symtab.h".
3856         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3857         (Cref_table_compare::operator()): New function.
3858         (Cref_inputs::gather_cref): New function.
3859         (filecol): New static const.
3860         (Cref_inputs::print_cref): New function.
3861         (Cref::print_cref): New function.
3862         * cref.h: Include <cstdio>.
3863         (class Cref): Update declarations.
3864         * mapfile.h (Mapfile::file): New function.
3865         * object.h (class Object): Define Symbols.  Declare virtual
3866         do_get_global_symbols.
3867         (Object::get_global_symbols): New function.
3868         * object.cc (Input_objects::add_object): Pass object to cref_ if
3869         --cref.
3870         (Input_objects::archive_start): Likewise.
3871         (Input_objects::archive_stop): Likewise.
3872         (Input_objects::print_cref): New function.
3873         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3874         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3875         --cref.
3876         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3877         function.
3878         * plugin.h (class Sized_pluginobj): Update declarations.
3880 2010-01-05  Ian Lance Taylor  <iant@google.com>
3882         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3883         to is_default_version.  Rename insdef to insdefault.
3884         (Symbol_table::add_from_relobj): Rename def to is_default_version
3885         and local to is_forced_local.
3886         (Symbol_table::add_from_pluginobj): Likewise.
3887         (Symbol_table::add_from_dynobj): Likewise.
3888         (Symbol_table::define_special_symbol): Rename insdef to
3889         insdefault.
3891 2010-01-04  Ian Lance Taylor  <iant@google.com>
3893         PR 10980
3894         * options.h (class General_options): Add
3895         --allow-multiple-definition and -z muldefs.
3896         * resolve.cc (Symbol_table::should_override): Don't warn about a
3897         multiple symbol definition if --allow-multiple-definition or -z
3898         muldefs.
3900         PR 10980
3901         * options.h (class General_options): Add --add-needed and
3902         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3903         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3904         error if --copy-dt-needed-entries aka --add-needed is used and
3905         would cause a change in behaviour.
3907         PR 10980
3908         * options.h (class General_options): Add -G as a short version of
3909         --shared.  Add no-op options -assert, -g, and -i.
3911 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3913         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3914         check for .text or .gnu.linkonce.t sections.
3915         * icf.cc (Icf::find_identical_sections): Ditto.
3916         Change the detection for mangled function name within the section
3917         name.
3918         * icf.h (is_section_foldable_candidate): New function.
3920 2009-12-30  Ian Lance Taylor  <iant@google.com>
3922         PR 10980
3923         * options.h (class General_options): Permit two dashes with
3924         --retain-symbols-file.
3926 2009-12-30  Ian Lance Taylor  <iant@google.com>
3928         PR 10979
3929         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3930         don't put the file header and segment headers in the text
3931         segment.
3933         PR 10979
3934         * common.cc (Sort_commons::operator()): Stabilize sort when both
3935         entries are NULL.
3936         (Symbol_table::do_allocate_commons_list): When allocating common
3937         symbols, skip a symbol which is no longer common.
3938         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3939         an object before checking its type.
3940         * testsuite/common_test_2.c: New file.
3941         * testsuite/common_test_3.c: New file.
3942         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3943         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3944         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3945         (common_test_2_pic.o, common_test_2.so): New targets.
3946         (common_test_3_pic.o, common_test_3.so): New targets.
3947         * testsuite/Makefile.in: Rebuild.
3949         PR 10979
3950         * script.cc (read_input_script): If we see a new SECTIONS clause,
3951         and we have added an input section, give an error.
3952         * layout.h (class Layout): Add have_added_input_section function.
3953         Add have_added_input_section_ field.
3954         * layout.cc (Layout::Layout): Initialize
3955         have_added_input_section_.
3956         (Layout::layout): Set have_added_input_section_.
3957         (Layout::layout_eh_frame): Likewise.
3959 2009-12-30  Ian Lance Taylor  <iant@google.com>
3961         PR 10931
3962         * options.h (class General_options): Add --sort-common option.
3963         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3964         * common.cc (Sort_common): Add sort_order parameter to
3965         constructor.  Add sort_order_ field.
3966         (Sort_commons::operator): Check sort_order_.
3967         (Symbol_table::allocate_commons): Determine the sort order.
3968         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3969         Change all callers.
3970         (Symbol_table::do_allocate_commons_list): Likewise.
3972 2009-12-30  Ian Lance Taylor  <iant@google.com>
3974         PR 10916
3975         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3976         symbols from this object, don't change the visibility of an
3977         undefined symbol.
3978         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3980 2009-12-30  Ian Lance Taylor  <iant@google.com>
3982         PR 10861
3983         * script.h (class Version_script_info): Define Language enum.
3984         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3985         new fields globals_, locals_, and is_finalized_.
3986         * script.cc: Various formatting fixes.
3987         (class Parser_closure): Change language_stack_ from a vector of
3988         std::string to one of Version_script_info::Language.  Adjust all
3989         uses accordingly.
3990         (class Lazy_demangler): Remove.
3991         (struct Version_expression): Change language from std::string to
3992         Version_script_info::Language.
3993         (Version_script_info::Version_script_info): New function.
3994         (Version_script_info::~Version_script_info): Don't call clear.
3995         (Version_script_info::finalize): New function.
3996         (Version_script_info::build_lookup_tables): New function.
3997         (Version_script_info::build_expression_list_lookup): New
3998         function.
3999         (Version_script_info::get_symbol_version_helper): Rewrite to use
4000         lookup tables.
4001         (Version_script_info::print_expression_list): Adjust to use
4002         Version_script_info::Language.
4003         (script_push_lex_into_version_mode): Check that the version script
4004         has not been finalized.
4005         (version_script_push_lang): Change language string to
4006         Version_script_info::Language.
4007         * options.cc (Command_line::version_script): New function.
4008         * options.h (class General_options): Add finalize_dynamic_list
4009         function.  Change version_script from declaration to definition.
4010         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
4011         * testsuite/version_script.map: Remove duplicate def of foo.
4012         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
4013         version_script.map.
4014         * testsuite/Makefile.in: Rebuild.
4016 2009-12-30  Ian Lance Taylor  <iant@google.com>
4018         PR 10843
4019         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
4020         if the input symbol index is 0, make the output symbol index 0.
4022 2009-12-30  Ian Lance Taylor  <iant@google.com>
4024         PR 10670
4025         * options.h (class General_options): Add -x/--discard-all.
4026         * object.cc (Sized_relobj::do_count_local_symbols): Handle
4027         --discard-all.  If the local symbol needs a dynamic entry, check
4028         that before handling --discard-locals.
4030 2009-12-30  Ian Lance Taylor  <iant@google.com>
4032         PR 10450
4033         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
4034         flags to PF_R.
4035         (Output_segment::add_output_section): Don't change the flags if
4036         the type is PT_TLS.
4038         PR 10450
4039         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
4040         GNU hash table if they need a dynamic value.  Otherwise, don't add
4041         them if they are defined in a dynamic object or are forced local.
4043 2009-12-29  Ian Lance Taylor  <iant@google.com>
4045         PR 10450
4046         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
4047         .gnu.hash table for a 32-bit target.
4049         PR 10450
4050         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
4051         regular and a dynamic object only needs a dynamic symbol table
4052         entry if it is externally visible.
4054         PR 10450
4055         * i386.cc (class Target_i386): Initialize global_offset_table_ in
4056         constructor.  Add global_offset_table_ field.
4057         (Target_i386::got_section): Set global_offset_table_.
4058         (Target_i386::do_finalize_sections): Set global_offset_table_
4059         size.
4060         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
4061         in constructor.  Add global_offset_table_ field.
4062         (Target_x86_64::got_section): Set global_offset_table_.
4063         (Target_x86_64::do_finalize_sections): Set global_offset_table_
4064         size.
4066         * layout.cc (Layout::Layout): Initialize increase_relro_.
4067         (Layout::get_output_section): Add is_relro, is_last_relro, and
4068         is_first_non_relro parameters.  Change all callers.
4069         (Layout::choose_output_section): Likewise.
4070         (Layout::add_output_section_data): Likewise.
4071         (Layout::make_output_section): Likewise.
4072         (Layout::set_segment_offsets): Clear increase_relro when using a
4073         linker script.
4074         * layout.h (class Layout): Add increase_relro method.  Add
4075         increase_relro_ field.  Update declarations.
4076         * output.cc (Output_section::Output_section): Initialize
4077         is_last_relro_ and is_first_non_relro_.
4078         (Output_segment::add_output_section): Group relro sections is
4079         do_sort is true.  Handle is_last_relro and is_first_non_relro.
4080         (Output_segment::maximum_alignment): Remove relro handling.
4081         (Output_segment::set_section_addresses): Add increase_relro
4082         parameter.  Change all callers.  Add initial alignment to align
4083         relro sections on separate page.  Remove old relro handling.
4084         (Output_segment::set_section_list_addresses): Remove in_relro
4085         parameter.  Change all callers.
4086         (Output_segment::set_offset): Add increase parameter.  Change all
4087         callers.  Remove old relro handling.
4088         * output.h (class Output_section): Add new methods: is_last_relro,
4089         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
4090         Add is_last_relro_ and is_first_non_relro_ fields.
4091         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
4092         Create separate .got.plt section.  Call increase_relro.
4093         * x86_64.cc (Target_x86_64::got_section): Likewise.
4094         * testsuite/relro_script_test.t: Add .got.plt.
4096         PR 10450
4097         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
4098         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
4099         (Layout::finalize): Call set_dynamic_symbol_size.
4100         (Layout::set_dynamic_symbol_size): New function.
4101         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
4102         set_dynamic_symbol_size.
4104         PR 10450
4105         * output.h (class Output_section): Add is_entsize_zero_ field.
4106         * output.cc (Output_section::Output_section): Initialize
4107         is_entsize_zero_.
4108         (Output_section::set_entsize): If two different entsizes are
4109         requested, force it to zero.
4110         (Output_section::add_input_section): Set flags for .debug_str
4111         before updating section flags.  Set entsize.
4112         (Output_section::update_flags_for_input_section): Set SHF_MERGE
4113         and SHF_STRING if all input sections have those flags.
4115 2009-12-29   Rafael Espindola  <espindola@google.com>
4117         * main.cc (main): Fix the sys time reporting.
4118         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
4119         reporting.
4121 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
4123         * options.cc (General_options::parse_version): Allow -v to exit
4124         without an error if there is nothing to link.
4126 2009-12-29  Ian Lance Taylor  <iant@google.com>
4128         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
4129         using a version of gcc before 4.1.
4130         * configure: Rebuild.
4132 2009-12-28  Chris Demetriou  <cgd@google.com>
4134         * attributes.cc (Output_attributes_section_data::do_write): Use
4135         std::vector::front rather than std::vector::data.
4137 2009-12-28  Ian Lance Taylor  <iant@google.com>
4139         * symtab.h (class Symbol_table): Add enum Defined.
4140         * resolve.cc (Symbol_table::should_override): Add defined
4141         parameter.  Change all callers.  Test whether object is NULL
4142         before calling a method on it.
4143         (Symbol_table::report_resolve_problem): Add defined parameter.
4144         Change all callers.
4145         (Symbol_table::should_override_with_special): Likewise.
4146         * symtab.cc (Symbol_table::define_in_output_data): Add defined
4147         parameter.  Change all callers.
4148         (Symbol_table::do_define_in_output_data): Likewise.
4149         (Symbol_table::define_in_output_segment): Likewise.
4150         (Symbol_table::do_define_in_output_segment): Likewise.
4151         (Symbol_table::define_as_constant): Likewise.
4152         (Symbol_table::do_define_as_constant): Likewise.
4153         * script.h (class Symbol_assignment): Add is_defsym parameter to
4154         constructor; change all callers.
4155         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
4156         parameter.  Change all callers.  Add is_defsym_ field.
4157         (class Parser_closure): Add parsing_defsym parameter to
4158         constructor; change all callers.  Add parsing_defsym accessor
4159         function.  Add parsing_defsym_ field.
4161 2009-12-28  Ian Lance Taylor  <iant@google.com>
4163         * gold.cc (queue_middle_tasks): Fix formatting.
4164         * object.cc (Relobj::is_section_name_included): Likewise.
4166 2009-12-23  Ian Lance Taylor  <iant@google.com>
4168         * i386.cc (Target_i386::do_calls_non_split): Recognize
4169         -fsplit-stack prologue for a function with a static chain.
4170         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
4171         -fsplit-stack prologue when using %r11.
4173 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
4175         * options.cc (General_options::parse_version): Make -v continue and do
4176         the link like GNU ld does.
4178 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
4180         * Makefile.am (CCFILES): Add timer.cc.
4181         (HFILES): Add timer.h.
4182         * configure.ac: Check for sysconf and times.
4183         * main.cc: include timer.h.
4184         (main): Use Timer instead of get_run_time.
4185         * timer.cc: New.
4186         * timer.h: New.
4187         * workqueue.cc: include timer.h.
4188         (Workqueue::find_and_run_task):
4189         Report user, sys and wall time.
4190         * Makefile.in: Regenerate.
4191         * config.in: Regenerate.
4192         * configure: Regenerate.
4194 2009-12-16  Doug Kwan  <dougkwan@google.com>
4196         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
4197         sections.
4198         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
4199         relaxed input sections.
4200         * output.cc (Output_section::find_relaxed_input_section): Change
4201         return type to Output_relaxed_input_section pointer.  Adjust code
4202         for new type of relaxed_input_section_map_.
4203         * output.h (Output_section::find_relaxed_input_section): Change
4204         return type to Output_relaxed_input_section pointer.
4205         (Output_section::Output_relaxed_input_section_by_input_section_map):
4206         New type.
4207         (Output_section::relaxed_input_section_map_): Change type to
4208         Output_section::Output_relaxed_input_section_by_input_section_map.
4209         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4210         input section.
4212 2009-12-15  Ian Lance Taylor  <iant@google.com>
4214         * layout.cc (Layout::create_shstrtab): Only write out after input
4215         sections if we are compressing debug sections.
4217 2009-12-15  Ian Lance Taylor  <iant@google.com>
4219         * archive.cc (Archive::add_symbols): Only look up a symbol without
4220         a version if there is, in fact, a version.
4222 2009-12-14  Ian Lance Taylor  <iant@google.com>
4224         Revert -Wshadow changes, all changes from:
4225         2009-12-11  Doug Kwan  <dougkwan@google.com>
4226         2009-12-11  Nick Clifton  <nickc@redhat.com>
4227         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4229 2009-12-11  Doug Kwan  <dougkwan@google.com>
4231         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4232         due to -Wshadow.
4233         * attributes.cc (Object_attribute::size): Ditto.
4234         (Attributes_section_data::size): Ditto.
4235         (Attributes_section_data::Attributes_section_data): Ditto.
4236         (Output_attributes_section_data::do_write): Ditto.
4237         * attributes.h (Object_attribute::set_type): Ditto.
4238         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4240 2009-12-11  Nick Clifton  <nickc@redhat.com>
4242         * archive.cc: Fix shadowed variable warnings.
4243         * arm.cc: Likewise.
4244         * compressed_output.cc: Likewise.
4245         * compressed_output.h: Likewise.
4246         * configure: Likewise.
4247         * dwarf_reader.cc: Likewise.
4248         * dynobj.cc: Likewise.
4249         * dynobj.h: Likewise.
4250         * ehframe.cc: Likewise.
4251         * ehframe.h: Likewise.
4252         * errors.cc: Likewise.
4253         * expression.cc: Likewise.
4254         * fileread.cc: Likewise.
4255         * fileread.h: Likewise.
4256         * freebsd.h: Likewise.
4257         * i386.cc: Likewise.
4258         * icf.cc: Likewise.
4259         * incremental.h: Likewise.
4260         * layout.cc: Likewise.
4261         * layout.h: Likewise.
4262         * mapfile.cc: Likewise.
4263         * merge.cc: Likewise.
4264         * merge.h: Likewise.
4265         * object.cc: Likewise.
4266         * object.h: Likewise.
4267         * options.h: Likewise.
4268         * output.cc: Likewise.
4269         * output.h: Likewise.
4270         * parameters.cc: Likewise.
4271         * plugin.cc: Likewise.
4272         * powerpc.cc: Likewise.
4273         * reduced_debug_output.cc: Likewise.
4274         * reduced_debug_output.h: Likewise.
4275         * reloc.cc: Likewise.
4276         * reloc.h: Likewise.
4277         * resolve.cc: Likewise.
4278         * script-sections.cc: Likewise.
4279         * script.cc: Likewise.
4280         * script.h: Likewise.
4281         * sparc.cc: Likewise.
4282         * symtab.cc: Likewise.
4283         * symtab.h: Likewise.
4284         * target-select.cc: Likewise.
4285         * target-select.h: Likewise.
4286         * token.h: Likewise.
4287         * workqueue.cc: Likewise.
4288         * workqueue.h: Likewise.
4289         * x86_64.cc: Likewise.
4291 2009-12-10  Doug Kwan  <dougkwan@google.com>
4293         * arm.cc (attributes.h): New include.
4294         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4295         (Arm_relobj::~Arm_relobj): Delete object pointed by
4296         attributes_section_data_.
4297         (Arm_relobj::attributes_section_data): New method definition.
4298         (Arm_relobj::attributes_section_data_): New data member declaration.
4299         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
4300         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
4301         attributes_section_data_.
4302         (Arm_dynobj::attributes_section_data): New method definition.
4303         (Arm_dynobj::attributes_section_data_): New data member declaration.
4304         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
4305         initialization value of may_use_blx_ to false.
4306         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
4307         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
4308         object attributes to compute results instead of hard-coding.
4309         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
4310         Target_arm::get_secondary_compatible_arch,
4311         Target_arm::set_secondary_compatible_arch
4312         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4313         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
4314         New method declarations.
4315         (Target_arm::get_aeabi_object_attribute): New method definition.
4316         (Target_arm::attributes_section_data_): New data member declaration.
4317         (read_arm_attributes_section): New template definition.
4318         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
4319         (Arm_dynobj::do_read_symbols): Ditto.
4320         (Target_arm::do_finalize_sections): Merge attributes sections from
4321         input.  Check for BLX use after attributes section merging.
4322         Fix __exidx_start and __exidx_end visibility.  Create an
4323         .ARM.attributes section if necessary.
4324         (Target_arm::get_secondary_compatible_arch,
4325         Target_arm::set_secondary_compatible_arch,
4326         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4327         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
4328         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
4329         New method definitions.
4331 2009-12-09  Ian Lance Taylor  <iant@google.com>
4333         * plugin.cc (Plugin::load): Don't cast from void* to a function
4334         pointer.
4336 2009-12-09  Ian Lance Taylor  <iant@google.com>
4338         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
4339         information fields.
4341 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
4343         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
4344         Replace two_file_shared_1.so with two_file_shared_2.so.
4345         * testsuite/Makefile.in: Regenerated.
4347 2009-12-08  Doug Kwan  <dougkwan@google.com>
4349         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
4350         (HFILES): Add attributes.h and int_encoding.h.
4351         * Makefile.in: Regenerate.
4352         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
4353         function definitions to int_encoding.cc
4354         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
4355         prototypes to int_encoding.h
4356         * reduced_debug_output.cc (int_encoding.h): New include.
4357         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
4358         function definitions to int_encoding.cc
4359         (insert_into_vector, read_from_pointer): Move template definitions to
4360         int_encoding.h
4361         * attributes.cc: New file.
4362         * attributes.h: New file.
4363         * int_encoding.cc: New file.
4364         * int_encoding.h: New file.
4366 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
4368         PR gold/11055
4369         * incremental-dump.cc (dump_incremental_inputs): New.
4370         (main): Use dump_incremental_inputs.
4372 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
4374         PR gold/10893
4375         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
4376         checking elfcpp::STT_FUNC.
4377         (Target_i386::Relocate::relocate): Likewise.
4378         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4380         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
4381         symbols from shared libraries into normal FUNC symbols.
4383         * symtab.h (Symbol): Add is_func and use it.
4385 2009-12-05  Doug Kwan  <dougkwan@google.com>
4387         * arm.cc (Target_arm::arm_info): Initialize new fields
4388         attributes_section and attributes_vendor.
4389         * i386.cc (Target_i386::i386_info): Same.
4390         * object.cc (Sized_relobj::do_layout): Skip attribute section.
4391         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
4392         fields attributes_section and attributes_vendor.
4393         * sparc.cc (Target_sparc::sparc_info): Same.
4394         * target.h (Target::attributes_section, Target::attributes_vendor,
4395         Target::is_attributes_section, Target::attribute_arg_type,
4396         Target::attributes_order): New method definitions.
4397         (Target::Target_info::attributes_section,
4398         Target::Target_info::attributes_vendor): New fields.
4399         (Target::do_attribute_arg_type, Target::do_attributes_order): New
4400         virtual method definitions.
4401         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
4402         attributes_section and attributes_vendor.
4403         * testsuite/testfile.cc (Target_test::test_target_info): Same.
4405 2009-12-05  Doug Kwan  <dougkwan@google.com>
4407         * arm.cc: Update comments about interworking and stub generation.
4408         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
4409         considered as non-PIC.
4410         (Arm_relocate_functions::base_abs): Fix formatting.
4411         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
4412         of function to use GOT entry address instead of offset.
4413         (Target_arm::Scan::global): Issue an error if a symbol would need a
4414         PLT does not get one because it is untyped.  Remove code to create
4415         dynamic symbols for relative branches.
4416         (Target_arm::Relocate::relocate: Use 0 instead of false since function
4417         takes unsigned integer instead of boolean.
4419 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
4421         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
4422         (two_file_test_LDADD): Likewise.
4423         (common_test_1_LDADD): Likewise.
4424         (exception_test_LDADD) Likewise.
4425         (weak_test_LDADD): Likewise.
4426         (many_sections_test_LDADD): Likewise.
4427         (initpri1_LDADD): Likewise.
4428         (script_test_1_LDADD): Likewise.
4429         (script_test_2_LDADD): Likewise.
4430         (justsyms_LDADD): Likewise.
4431         (binary_test_LDADD): Likewise.
4432         (large_LDADD): Likewise.
4433         * testsuite/Makefile.in: Regenerated.
4435 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
4437         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
4438         (Symbol_table::override_with_special): Likewise.
4439         (Symbol_table::add_from_object): Likewise.
4441 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4443         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4444         Don't set the data_offset twice.
4446 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4448         * testsuite/Makefile.in: Regenerate.
4450 2009-12-03  Doug Kwan  <dougkwan@google.com>
4452         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
4453         (Target_arm::do_finalize_sections): Add parameter for symbol table
4454         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
4455         * i386.cc (Target_i386::do_finalize_sections): Add an additional
4456         parameter for symbol table pointer.
4457         * layout.cc (Layout::finalize): Call Target::finalize_sections with
4458         an additional parameter for a pointer to symbol table.
4459         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
4460         parameter for a symbol table pointer.
4461         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
4462         * target.h (Target::finalize_sections, Target::do_finalize_sections):
4463         Ditto.
4464         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4465         parameter for a symbol table pointer.
4467 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4469         * incremental.cc (Incremental_inputs_header)
4470         (Incremental_inputs_header_write, Incremental_inputs_entry)
4471         (Incremental_inputs_entry_write): Move ...
4472         * incremental.h (Incremental_inputs_header)
4473         (Incremental_inputs_header_write, Incremental_inputs_entry)
4474         (Incremental_inputs_entry_write): here.
4476 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4478         * incremental.cc (make_sized_incremental_binary): Set the target.
4479         Error if it is incompatible.
4480         * output.h (Output_file): Add filename method.
4482 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4484         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4485         from the get_* methods.
4487 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4489         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4490         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4491         Write 0 for the data_offset of scripts.
4493 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4495         * testsuite/Makefile.am: Add the incremental_test.sh test.
4496         * testsuite/incremental_test.sh: New.
4497         * testsuite/incremental_test_1.c: New.
4498         * testsuite/incremental_test_2.c: New.
4500 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4502        * incremental-dump.cc (main): Fix typos.
4504 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4506         PR gold/11025
4507         * incremental-dump.cc (main): Use llu to print 64 bit values.
4509 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
4510             H.J. Lu  <hongjiu.lu@intel.com>
4512         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4513         $(LIBDL).
4514         (incremental_dump_LDADD): Likewise.
4515         * Makefile.in: Regenerated.
4517 2009-11-25  Doug Kwan  <dougkwan@google.com>
4519         Revert:
4521         2009-11-25  Doug Kwan  <dougkwan@google.com>
4523                 * arm.cc (Target_arm::Target_arm): Move method definition
4524                 outside of class definition.  Add code to handle
4525                 --target1-rel, --target1-abs and --target2= options.
4526                 (Target_arm::get_reloc_reloc_type): Change method to be
4527                 non-static and const.
4528                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4529                 New data member declaration.
4530                 (Target_arm::Scan::local, Target_arm::Scan::global,
4531                 Target_arm::Relocate::relocate,
4532                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4533                 Adjust call to Target_arm::get_real_reloc_type.
4534                 (Target_arm::get_real_reloc_type): Use command line options
4535                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4536                 * options.h (--target1-rel, --target1-abs, --target2): New
4537                 ARM-only options.
4539 2009-11-25  Doug Kwan  <dougkwan@google.com>
4541         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4542         class definition.  Add code to handle --target1-rel, --target1-abs
4543         and --target2= options.
4544         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4545         and const.
4546         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4547         member declaration.
4548         (Target_arm::Scan::local, Target_arm::Scan::global,
4549         Target_arm::Relocate::relocate,
4550         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4551         call to Target_arm::get_real_reloc_type.
4552         (Target_arm::get_real_reloc_type): Use command line options to
4553         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4554         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4555         options.
4557 2009-11-25  Doug Kwan  <dougkwan@google.com>
4559         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4560         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4561         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4562         formatting.
4563         (Arm_relocate_functions::thm_call): Replace body with a call to
4564         Arm_relocate_functions::thumb_branch_common.
4565         (Arm_relocate_functions::thm_jump24,
4566         Arm_relocate_functions::thm_xpc22): New method definitions.
4567         (Arm_relocate_functions::thumb_branch_common): New method definition.
4568         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4569         operator.
4570         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4571         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4573 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4575         * Makefile.am: Build incremental-dump
4576         * Makefile.in: Regenerate.
4577         * incremental-dump.cc: New.
4578         * incremental.cc (Incremental_inputs_header_data,
4579         Incremental_inputs_entry_data): Move to incremental.h
4580         * incremental.h: (Incremental_inputs_header_data,
4581         Incremental_inputs_entry_data): Move from incremental.cc
4583 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4585         * incremental.cc (Incremental_inputs_header,
4586         Incremental_inputs_header_write, Incremental_inputs_entry,
4587         Incremental_inputs_entry_write): Add a typedef with the data type.
4589 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4591         * incremental.cc (Incremental_inputs_header,
4592         Incremental_inputs_header_write, Incremental_inputs_entry,
4593         Incremental_inputs_entry_write): Update comment about which
4594         type has the filed descriptions.
4596 2009-11-15  Doug Kwan  <dougkwan@google.com>
4598         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4599         (Arm_relocate_functions::arm_branch_common): Change method defintion
4600         in class definition to a method declaration and update list of formal
4601         parameters.
4602         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4603         Arm_relocation_functions::jump24): Adjust call to
4604         Arm_relocate_functions::arm_branch_common.  Update list of formal
4605         parameters.
4606         (Arm_relocate_functions::xpc25): New method definition.
4607         (Arm_relocate_functions::arm_branch_common): Move method defintion
4608         out from class definition.  Use stubs for mode-switching and extending
4609         branch ranges.
4610         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4611         specially.  Change code to enable use of stubs in ARM branches.
4613 2009-11-10  Doug Kwan  <dougkwan@google.com>
4615         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4616         in method declaration.
4617         (Target_arm::relocate_stub): New method declaration.
4618         (Target_arm::default_target): Change to return a pointer instead of
4619         a const reference.
4620         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4621         Target_arm::default_target.
4622         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4623         method definition.
4624         (Target_arm::relocate_section): Adjust view.
4625         (Target_arm::relocate_stub): New method definition.
4627 2009-11-10  Doug Kwan  <dougkwan@google.com>
4629         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4630         a format warning.
4631         * incremental.cc (open_incremental_binary): Initialized local
4632         variables to avoid warnings.
4633         * object.cc (make_elf_object): Ditto.
4634         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4635         a format warning.
4637 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4639         PR gold/10930
4640         * testsuite/plugin_test.c: Include "config.h".
4642 2009-11-09  Doug Kwan  <dougkwan@google.com>
4644         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4645         (arm_symbol_value): Remove.
4646         (Arm_relocate_functions::arm_branch_common,
4647         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4648         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4649         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4650         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4651         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4652         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4653         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4654         Arm_relocate_functions::thm_mobw_abs_nc,
4655         Arm_relocate_functions::thm_mov_abs,
4656         Arm_relocate_functions::movw_prel_nc,
4657         Arm_relocate_functions::thm_movt_abs,
4658         Arm_relocate_functions::movt_prel,
4659         Arm_relocate_functions::thm_movw_prel_nc,
4660         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4661         (Target_arm::Relocate::relocate): Only decompose address into two
4662         parts if relocation type uses the thumb-bit and pass the actual
4663         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4664         calls to methods in Arm_relocate_functions for this change.
4666 2009-11-08  Ian Lance Taylor  <iant@google.com>
4668         PR 10925
4669         * reloc.cc: Instantiate
4670         Sized_relobj::initialize_input_to_output_maps and
4671         Sized_relobj:free_input_to_output_maps.
4673 2009-11-06  Ian Lance Taylor  <iant@google.com>
4675         PR 10876
4676         * defstd.cc (in_segment): Set only_if_ref true for "end".
4678 2009-11-06  Doug Kwan  <dougkwan@google.com>
4680         * arm.cc (class Reloc_stub): Correct a comment.
4681         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4682         (Target_arm::scan_section_for_stubs): New method declaration.
4683         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4684         Change methods from private to protected.
4685         (Target_arm::do_may_relax): New method definition.
4686         (Target_arm::do_relax, Target_arm::group_sections,
4687         Target_arm::scan_reloc_for_stub,
4688         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4689         (Target_arm::arm_input_section_map_): New data member declaration.
4690         (Target_arm::scan_reloc_for_stub,
4691         Target_arm::scan_reloc_section_for_stubs,
4692         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4693         Target_arm::do_relax): New method definitions.
4695 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4697         * configure.ac: Check for (struct stat)::st_mtim
4698         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4699         * config.in: Regenerate.
4700         * configure: Regenerate.
4702 2009-11-05  Ian Lance Taylor  <iant@google.com>
4704         PR 10910
4705         * output.cc (Output_segment::add_output_section): Add missing
4706         return statement.
4708 2009-11-04  Ian Lance Taylor  <iant@google.com>
4710         PR 10880
4711         * object.h (class Object): Add is_needed and set_is_needed
4712         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4713         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4714         defined in a dynamic object and referenced by a regular object,
4715         set is_needed for the dynamic object.
4716         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4717         if the file is marked with as_needed and it is not needed.
4719 2009-11-04  Ian Lance Taylor  <iant@google.com>
4721         PR 10887
4722         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4723         tags if data is discarded by linker script.
4724         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4725         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4726         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4727         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4729 2009-11-04  Ian Lance Taylor  <iant@google.com>
4731         * layout.cc (Layout::get_output_section): Add is_interp and
4732         is_dynamic_linker_section parameters.  Change all callers.
4733         (Layout::choose_output_section): Likewise.
4734         (Layout::make_output_section): Likewise.
4735         (Layout::add_output_section_data): Add is_dynamic_linker_section
4736         parameter.  Change all callers.
4737         * layout.h (class Layout): Update declarations.
4738         * output.h (class Output_section): Add is_interp, set_is_interp,
4739         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4740         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4741         generate_code_fills_at_write_ to a bitfield.
4742         * output.cc (Output_section::Output_sections): Initialize new
4743         fields.
4744         (Output_segment::add_output_section): Add do_sort parameter.
4745         Change all callers.
4747 2009-11-03  Ian Lance Taylor  <iant@google.com>
4749         PR 10860
4750         * options.h (class General_options): Add --warn-common.
4751         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4752         merging two common symbols.
4753         (Symbol_table::should_override): Handle --warn-common when merging
4754         a common symbol with a defined symbol.  Use report_resolve_problem
4755         for multiple definitions.
4756         (Symbol_table::report_resolve_problem): New function.
4757         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4759 2009-11-03  Doug Kwan  <dougkwan@google.com>
4761         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4762         stub_factory_.
4763         (Target_arm::stub_factory): New method definition.
4764         (Target_arm::new_arm_input_section,
4765         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4766         Target_arm::reloc_uses_thumb_bit): New method declarations.
4767         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4768         New type definitions.
4769         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4770         member declarations.
4771         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4772         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4773         New method definitions.
4775 2009-11-03  Ian Lance Taylor  <iant@google.com>
4777         * options.h (class General_options): Add --warn_constructors.
4779 2009-11-03  Ian Lance Taylor  <iant@google.com>
4781         PR 10893
4782         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4783         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4785 2009-11-03  Ian Lance Taylor  <iant@google.com>
4787         PR 10895
4788         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4789         --msgid-bugs-address.
4790         (install-pdf): New target.
4791         (install-data_yes): Look up one directory to find mkinstalldirs.
4793 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4795         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4796         tree.
4798 2009-10-30  Doug Kwan  <dougkwan@google.com>
4800         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4802 2009-10-30  Doug Kwan  <dougkwan@google.com>
4804         * arm.cc (Stub_addend_reader): New struct template definition
4805         and partial specializations.
4806         (Stub_addend_reader::operator()): New method definition for a
4807         partially specialized template.
4809 2009-10-30  Doug Kwan  <dougkwan@google.com>
4811         * arm.cc (Arm_relobj::processor_specific_flags): New method
4812         definition.
4813         (Arm_relobj::do_read_symbols): New method declaration.
4814         (Arm_relobj::processor_specific_flags_): New data member declaration.
4815         (Arm_dynobj): New class definition.
4816         (Target_arm::do_finalize_sections): Add input_objects parameter.
4817         (Target_arm::do_adjust_elf_header): New method declaration.
4818         (Target_arm::are_eabi_versions_compatible,
4819         (Target_arm::merge_processor_specific_flags): New method declaration.
4820         (Target_arm::do_make_elf_object): New overloaded method definitions
4821         and declaration.
4822         (Arm_relobj::do_read_symbols): New method definition.
4823         (Arm_dynobj::do_read_symbols): Ditto.
4824         (Target_arm::do_finalize_sections): Add input_objects parameters.
4825         Merge processor-specific flags from all input objects.
4826         (Target_arm::are_eabi_versions_compatible,
4827         Target_arm::merge_processor_specific_flags,
4828         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4829         New method definitions.
4830         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4831         Input_objects pointer type parameter.
4832         * layout.cc (Layout::finalize): Pass input objects to target's.
4833         finalize_sections function.
4834         * output.cc (Output_file_header::do_sized_write): Set ELF file
4835         header's processor-specific flags.
4836         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4837         Input_objects pointer type parameter.
4838         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4839         * target.h (Input_objects): New forward class declaration.
4840         (Target::processor_specific_flags,
4841         Target::are_processor_specific_flags_sect): New method definitions.
4842         (Target::finalize_sections): Add input_objects parameter.
4843         (Target::Target): Initialize processor_specific_flags_ and
4844         are_processor_specific_flags_set_.
4845         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4846         parameter.
4847         (Target::set_processor_specific_flags): New method definition.
4848         (Target::processor_specific_flags_,
4849         Target::are_processor_specific_flags_set_): New data member
4850         declarations.
4851         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4852         Input_objects pointer type parameter.
4854 2009-10-30  Doug Kwan  <dougkwan@google.com>
4856         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4858 2009-10-28  Ian Lance Taylor  <iant@google.com>
4860         * object.h (class Relobj): Drop options parameter from
4861         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4862         do_scan_relocs, do_relocate.  Change all callers.
4863         (class Sized_relobj): Drop options parameters from
4864         do_gc_process_relocs, do_scan_relocs, do_relocate,
4865         do_relocate_sections, relocate_sections, emit_relocs_scan,
4866         emit_relocs_scan_reltype.  Change all callers.
4867         (struct Relocate_info): Remove options field and all references to
4868         it.
4869         * reloc.h (class Read_relocs): Remove options constructor
4870         parameter and options_ field.  Change all callers.
4871         (class Gc_process_relocs, class Scan_relocs): Likewise.
4872         (class Relocate_task): Likewise.
4873         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4874         all callers.
4875         (scan_relocatable_relocs): Likewise.
4876         * target.h (class Sized_target): Remove options parameter from
4877         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4878         all callers.
4879         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4880         callers.
4881         * arm.cc: Update functions to remove options parameters.
4882         * i386.cc: Likewise.
4883         * powerpc.cc: Likewise.
4884         * sparc.cc: Likewise.
4885         * x86_64.cc: Likewise.
4886         * testsuite/testfile.cc: Likewise.
4888 2009-10-28  Doug Kwan  <dougkwan@google.com>
4890         * arm.cc (Arm_relobj): New class definition.
4891         (Arm_relobj::scan_sections_for_stubs,
4892         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4893         New method definitions.
4895 2009-10-28  Cary Coutant  <ccoutant@google.com>
4897         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4898         (Plugin::cleanup_done_): New member.
4899         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4900         (Plugin_manager::cleanup_done_): Remove.
4901         (Plugin_manager::add_input_file): Edit error message.
4902         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4903         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4905 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4907         * fileread.cc: (File_read::View::~View): Use the new
4908         data_ownership_ filed.
4909         (File_read::~File_read): Dispose the new whole_file_view_.
4910         (File_read::open): Mmap the whole file if needed.
4911         (File_read::open): Use whole_file_view_ instead of contents_.
4912         (File_read::find_view): Use whole_file_view_ if applicable.
4913         (File_read::do_read): Use whole_file_view_ instead of contents_.
4914         (File_read::make_view): Use whole_file_view_ instead of contents_,
4915         update File_read::View::View call.
4916         (File_read::find_or_make_view): Update File_read::View::View
4917         call.
4918         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4919         remove contents_
4920         (File_read::View::Data_ownership): New enum.
4921         (File_read::View::View): Replace bool mapped_ with Data_ownership
4922         argument.
4923         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4924         (File_read::View::data_ownership_): New field.
4925         (File_read::contents_): Remove (replaced by whole_file_view_).
4926         (File_read::whole_file_view_): New field.
4927         * options.h (class General_options): Add --keep-files-mapped.
4929 2009-10-27  Cary Coutant  <ccoutant@google.com>
4931         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4932         * testsuite/Makefile.am (plugin_test_5): New test case.
4933         * testsuite/Makefile.in: Regenerate.
4935 2009-10-25  Doug Kwan  <dougkwan@google.com>
4937         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4938         from private to protected to allow access by child class.
4939         (Sized_relobj::do_relocate_sections): New method declaration.
4940         (Sized_relobj::relocate_sections): Virtualize.
4941         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4942         Sized_relobj::relocate_sections.  Instantiate template explicitly
4943         for different target sizes and endianity.
4945 2009-10-24  Doug Kwan  <dougkwan@google.com>
4947         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4948         (Arm_input_section::as_arm_input_section): New method.
4949         (Arm_output_section): New class definition.
4950         (Arm_output_section::create_stub_group,
4951         Arm_output_section::group_sections): New method definitions.
4953 2009-10-22  Doug Kwan  <dougkwan@google.com>
4955         * arm.cc (Arm_input_section): New class definition.
4956         (Arm_input_section::init, Arm_input_section:do_write,
4957         Arm_input_section::set_final_data_size,
4958         Arm_input_section::do_reset_address_and_file_offset): New method
4959         definitions.
4961 2009-10-21  Doug Kwan  <dougkwan@google.com>
4963         * arm.cc (Stub_table, Arm_input_section): New forward class
4964         declarations.
4965         (Stub_table): New class defintion.
4966         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4967         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4968         New method definition.
4970 2009-10-21  Doug Kwan  <dougkwan@google.com>
4972         * arm.cc: Update copyright comments.
4973         (Target_arm): New forward class template declaration.
4974         (Arm_address): New type.
4975         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4976         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4977         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4978         constants.
4979         (Insn_template): Same.
4980         (DEF_STUBS): New macro.
4981         (Stub_type): New enum type.
4982         (Stub_template): New class definition.
4983         (Stub): Same.
4984         (Reloc_stub): Same.
4985         (Stub_factory): Same.
4986         (Target_arm::Target_arm): Initialize may_use_blx_ and
4987         should_force_pic_veneer_.
4988         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4989         Target_arm::should_force_pic_veneer,
4990         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4991         Target_arm::using_thumb_only, Target_arm:;default_target): New
4992         method defintions.
4993         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4994         New data member declarations.
4995         (Insn_template::size, Insn_template::alignment): New method defintions.
4996         (Stub_template::Stub_template): New method definition.
4997         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4998         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4999         (Stub_factory::Stub_factory): New method definition.
5000         * gold.h (string_hash): New template.
5001         * output.h (Input_section_specifier::hash_value): Use
5002         gold::string_hash.
5003         (Input_section_specifier::string_hash): Remove.
5004         * stringpool.cc (Stringpool_template::string_hash): Use
5005         gold::string_hash.
5007 2009-10-20  Doug Kwan  <dougkwan@google.com>
5009         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
5010         symbols of relaxed input sections.
5011         * output.h (Output_section::find_relaxed_input_section): Make
5012         method public.
5014 2009-10-16  Doug Kwan  <dougkwan@google.com>
5016         * dynobj.cc (Versions::Versions): Initialize version_script_.
5017         Only insert base version symbol definition for a shared object
5018         if version script defines any version versions.
5019         (Versions::define_base_version): New method definition.
5020         (Versions::add_def): Check that base version is not needed.
5021         (Versions::add_need): Define base version lazily.
5022         * dynobj.h (Versions::define_base_version): New method declaration.
5023         (Versions::needs_base_version_): New data member declaration.
5024         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
5025         (check_DATA): Add no_version_test.stdout.
5026         (libno_version_test.so, no_version_test.o no_version_test.stdout):
5027         New make rules.
5028         * testsuite/Makefile.in: Regenerate.
5029         * testsuite/no_version_test.c: New file.
5030         * testsuite/no_version_test.sh: Ditto.
5032 2009-10-16  Doug Kwan  <dougkwan@google.com>
5034         * expression.cc (class Segment_start_expression): New class definition.
5035         (Segment_start_expression::value): New method definition.
5036         (script_exp_function_segment_start): Return a new
5037         Segment_start_expression.
5038         * gold/script-c.h (script_saw_segment_start_expression): New function
5039         prototype.
5040         * script-sections.cc (Script_sections::Script_sections): Initialize
5041         SAW_SEGMENT_START_EXPRESSION_ to false.
5042         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
5043         and -Tbbs options to specify section addresses if given in
5044         command line and no SEGMENT_START expression is seen in a script.
5045         * script-sections.h (Script_sections::saw_segment_start_expression,
5046         Script_sections::set_saw_segment_start_expression): New method
5047         definition.
5048         (Script_sections::saw_segment_start_expression_): New data member
5049         declaration.
5050         * script.cc (script_saw_segment_start_expression): New function.
5051         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
5052         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
5053         script_test_7.sh and script_test_8.sh.
5054         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
5055         script_test_8.stdout.
5056         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
5057         (script_test_6, script_test_6.stdout, script_test_7,
5058         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
5059         * Makefile.in: Regenerate.
5060         * testsuite/script_test_6.sh: New file.
5061         * testsuite/script_test_6.t: Same.
5062         * testsuite/script_test_7.sh: Same.
5063         * testsuite/script_test_7.t: Same.
5064         * testsuite/script_test_8.sh: Same.
5066 2009-10-16  Doug Kwan  <dougkwan@google.com>
5068         * output.cc (Output_segment::set_section_list_address): Cast
5069         expressions to unsigned long long type to avoid format warnings.
5071 2009-10-15  Ian Lance Taylor  <iant@google.com>
5073         * script.cc (Script_options::add_symbol_assignment): Always add a
5074         dot assignment to script_sections_.
5075         * script-sections.cc (Script_sections::add_dot_assignment):
5076         Initialize if necessary.
5078         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
5079         program headers with no load segment if there is a linker script.
5081         * layout.cc (Layout::set_segment_offsets): Align the file offset
5082         to the segment aligment for -N or -n with no load segment.
5083         * output.cc (Output_segment::add_output_section): Don't crash if
5084         the first section is a TLS section.
5085         (Output_segment::set_section_list_addresses): Print an error
5086         message if the address moves backward in a linker script.
5087         * script-sections.cc
5088         (Output_section_element_input::set_section_addresses): Don't
5089         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
5090         (Orphan_output_section::set_section_addresses): Likewise.
5092 2009-10-15  Doug Kwan  <dougkwan@google.com>
5094         * layout.cc (Layout::finish_dynamic_section): Generate tags
5095         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
5096         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
5097         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
5099 2009-10-14  Ian Lance Taylor  <iant@google.com>
5101         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
5102         fields.
5103         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
5104         data_shdr fields of relinfo.
5105         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
5106         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
5107         R_386_TLS_LDO_32, adjust based on section flags.
5108         (Target_i386::Relocate::fix_up_ldo): Remove.
5110 2009-10-13  Ian Lance Taylor  <iant@google.com>
5112         Add support for -pie.
5113         * options.h (class General_options): Add -pie and
5114         --pic-executable.
5115         (General_options::output_is_position_independent): Test -pie.
5116         (General_options::output_is_executable): Return true if not shared
5117         and not relocatable.
5118         (General_options::output_is_pie): Remove.
5119         * options.cc (General_options::finalize): Reject incompatible uses
5120         of -pie.
5121         * gold.cc (queue_middle_tasks): A -pie link is not static.
5122         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
5123         * symtab.cc (Symbol::final_value_is_known): Return false if
5124         output_is_position_independent.
5125         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
5126         output_is_position_independent.
5127         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
5128         output_is_position_independent.
5129         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
5130         output_is_position_independent.
5131         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
5132         two_file_pie_test.
5133         (basic_pie_test.o, basic_pie_test): New targets.
5134         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
5135         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
5136         (two_file_pie_test): New target.
5137         * testsuite/Makefile.in: Rebuild.
5138         * README: Remove note saying that -pie is not supported.
5140 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5142         * options.h (class General_options): Add -init and -fini.
5143         * layout.cc (Layout::finish_dynamic_section): Emit
5144         given init and fini functions.
5146 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
5148         * gc.h (gc_process_relocs): Check if icf is enabled using new
5149         function.
5150         * gold.cc (queue_initial_tasks): Likewise.
5151         (queue_middle_tasks): Likewise.
5152         * object.cc (do_layout): Likewise.
5153         * symtab.cc (is_section_folded): Likewise.
5154         * main.cc (main): Likewise.
5155         * reloc.cc (Read_relocs::run): Likewise.
5156         (Sized_relobj::do_scan_relocs): Likewise.
5157         * icf.cc (is_function_ctor_or_dtor): New function.
5158         (Icf::find_identical_sections): Check if function is ctor or dtor when
5159         safe icf is chosen.
5160         * options.h (General_options::icf): Change option to be an enum.
5161         (Icf_status): New enum.
5162         (icf_enabled): New method.
5163         (icf_safe_folding): New method.
5164         (set_icf_status): New method.
5165         (icf_status_): New variable.
5166         * (options.cc) (General_options::finalize): Set icf_status_.
5167         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
5168         icf_test and icf_keep_unique_test to use the --icf enum flag.
5169         * testsuite/icf_safe_test.sh: New file.
5170         * testsuite/icf_safe_test.cc: New file.
5172 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
5174         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
5175         includes to gc.h and icf.h.
5176         * arm.cc: Include gc.h.
5177         * gold.cc: Likewise.
5178         * i386.cc: Likewise.
5179         * powerpc.cc: Likewise.
5180         * sparc.cc: Likewise.
5181         * x86_64.cc: Likewise.
5182         * gc.h: Include icf.h.
5184 2009-10-11  Ian Lance Taylor  <iant@google.com>
5186         * plugin.cc: Include "gold.h" before other header files.
5188 2009-10-10  Chris Demetriou  <cgd@google.com>
5190         * options.h (Input_file_argument::Input_file_type): New enum.
5191         (Input_file_argument::is_lib_): Replace with...
5192         (Input_file_argument::type_): New member.
5193         (Input_file_argument::Input_file_argument): Take Input_file_type
5194         'type' rather than boolean 'is_lib' as second argument.
5195         (Input_file_argument::is_lib): Use type_.
5196         (Input_file_argument::is_searched_file): New function.
5197         (Input_file_argument::may_need_search): Handle is_searched_file.
5198         * options.cc (General_options::parse_library): Support -l:filename.
5199         (General_options::parse_just_symbols): Update for Input_file_argument
5200         changes.
5201         (Command_line::process): Likewise.
5202         * archive.cc (Archive::get_file_and_offset): Likewise.
5203         * plugin.cc (Plugin_manager::release_input_file): Likewise.
5204         * script.cc (read_script_file, script_add_file): Likewise.
5205         * fileread.cc (Input_file::Input_file): Likewise.
5206         (Input_file::will_search_for): Handle is_searched_file.
5207         (Input_file::open): Likewise.
5208         * readsyms.cc (Read_symbols::get_name): Likewise.
5209         * testsuite/Makefile.am (searched_file_test): New test.
5210         * testsuite/Makefile.in: Regenerate.
5211         * testsuite/searched_file_test.cc: New file.
5212         * testsuite/searched_file_test_lib.cc: New file.
5214 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5215             Ian Lance Taylor  <iant@google.com>
5217         * descriptor.cc: Include <cstdio> and "binary-io.h".
5218         (Descriptors::open): Open the files in binary mode always.
5219         * script.cc (Lex::get_token): Treat \r as whitespace.
5221 2009-10-09  Ian Lance Taylor  <iant@google.com>
5223         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5225 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5226             Ian Lance Taylor  <iant@google.com>
5228         * configure.ac: Check for readv function also.
5229         * fileread.cc (readv): Define if not HAVE_READV.
5230         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5231         does not exist.
5232         * config.in: Regenerate.
5233         * configure: Regenerate.
5235 2009-10-09  Doug Kwan  <dougkwan@google.com>
5237         * layout.cc (Layout::make_output_section): Call target hook to make
5238         ordinary output section.
5239         (Layout::finalize): Adjust parameter list of call the
5240         Target::may_relax().
5241         * layout.h (class Layout::section_list): New method.
5242         * merge.h (Output_merge_base::entsize): Change visibility to public.
5243         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5244         New methods.
5245         (Output_merge_string::do_is_string): New method.
5246         * object.cc (Sized_relobj::do_setup): renamed from
5247         Sized_relobj::set_up.
5248         * object.h (Sized_relobj::adjust_shndx,
5249         Sized_relobj::initializ_input_to_output_maps,
5250         Sized_relobj::free_input_to_output_maps): Change visibilities to
5251         protected.
5252         (Sized_relobj::setup): Virtualize.
5253         (Sized_relobj::do_setup): New method declaration.
5254         (Sized_relobj::invalidate_section_offset,
5255         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5256         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5257         * options.cc (parse_int): New function.
5258         * options.h (parse_int): New declaration.
5259         (DEFINE_int): New macro.
5260         (stub_group_size): New option.
5261         * output.cc (Output_section::Output_section): Initialize memebers
5262         merge_section_map_, merge_section_by_properties_map_,
5263         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5264         (Output_section::add_input_section): Handled deferred code-fill
5265         generation and remove an old comment.
5266         (Output_section::add_relaxed_input_section): New method definition.
5267         (Output_section::add_merge_input_section): Use merge section by
5268         properties map to speed to search.  Update merge section maps
5269         as appropriate.
5270         (Output_section::build_relaxation_map): New method definition.
5271         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5272         Same.
5273         (Output_section::relax_input_section): Renamed to
5274         Output_section::convert_input_sections_to_relaxed_sections and change
5275         interface to take a vector of pointers to relaxed sections.
5276         (Output_section::find_merge_section,
5277         Output_section::find_relaxed_input_section): New method definitions.
5278         (Output_section::is_input_address_mapped,
5279         Output_section::output_offset, Output_section::output_address):
5280         Use output section data maps to speed up searching.
5281         (Output_section::find_starting_output_address): Add comments.
5282         (Output_section::do_write,
5283         Output_section::write_to_postprocessing_buffer): Do code-fill
5284         generation as appropriate.
5285         (Output_section::get_input_sections): Invalidate relaxed input section
5286         map.
5287         (Output_section::restore_states): Adjust type of checkpoint .
5288         Invalidate relaxed input section map.
5289         * output.h (Output_merge_base): New class declaration.
5290         (Input_section_specifier): New class defintion.
5291         (class Output_relaxed_input_section) Change base class to
5292         Output_section_data_build.
5293         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5294         base class initializer.
5295         (Output_section::add_relaxed_input_section): New method declaration.
5296         (Output_section::Input_section): Change visibility to protected.
5297         (Output_section::Input_section::relobj,
5298         Output_section::Input_section::shndx): Handle relaxed input sections.
5299         Output_section::input_sections) Change visibility to protected.  Also
5300         define overload to return a non-const pointer.
5301         (Output_section::Merge_section_properties): New class defintion.
5302         (Output_section::Merge_section_by_properties_map,
5303         Output_section::Output_section_data_by_input_section_map,
5304         Output_section::Relaxation_map): New types.
5305         (Output_section::relax_input_section): Rename method to
5306         Output_section::convert_input_sections_to_relaxed_sections and change
5307         interface to take a vector of relaxed section pointers.
5308         (Output_section::find_merge_section,
5309         Output_section::find_relaxed_input_section,
5310         Output_section::build_relaxation_map,
5311         Output_section::convert_input_sections_in_list_to_relaxed_sections):
5312         New method declarations.
5313         (Output_section::merge_section_map_
5314         Output_section::merge_section_by_properties_map_,
5315         Output_section::relaxed_input_section_map_,
5316         Output_section::is_relaxed_input_section_map_valid_,
5317         Output_section::generate_code_fills_at_write_): New data members.
5318         * script-sections.cc
5319         (Output_section_element_input::set_section_addresses): Call
5320         current_data_size and addralign methods of relaxed input sections.
5321         (Orphan_output_section::set_section_addresses): Call current_data_size
5322         and addralign methods of relaxed input sections.
5323         * symtab.cc (Symbol_table::compute_final_value): Extract template
5324         from the body of Symbol_table::sized_finalize_symbol.
5325         (Symbol_table::sized_finalized_symbol): Call
5326         Symbol_table::compute_final_value.
5327         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
5328         (Symbol_table::compute_final_value): New templated method declaration.
5329         * target.cc (Target::do_make_output_section): New method defintion.
5330         * target.h (Target::make_output_section): New method declaration.
5331         (Target::relax): Add more parameters for input objects, symbol table
5332         and layout.  Adjust call to do_relax.
5333         (Target::do_make_output_section): New method declaration.
5334         (Target::do_relax): Add parameters for input objects, symbol table
5335         and layout.
5337 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5339         * pread.c: Include stdio.h.
5341 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5343         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
5344         defined.
5346 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5348         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5349         Change read_shndx type to unsigned int.
5350         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5351         int.
5352         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5353         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
5354         Change read_shndx type to unsigned int.
5355         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5356         int.
5357         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5358         * layout.cc (Layout::create_symtab_sections): Cast the result of
5359         local_symcount * symsize to off_t in the gold_assert.
5361 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5363         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
5364         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
5365         R_ARM_BASE_ABS.
5366         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
5367         (Arm_relocate_functions::thm_abs5): New function.
5368         (Arm_relocate_functions::abs12): New function.
5369         (Arm_relocate_functions::abs16): New function.
5370         (Arm_relocate_functions::base_abs): New function.
5371         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
5372         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
5373         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
5374         R_ARM_BASE_ABS.
5375         (Scan::global): Likewise.
5376         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
5377         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
5378         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
5379         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
5380         R_ARM_BASE_ABS.
5382 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5384         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
5385         (Arm_relocate_functions::movt_prel): New function.
5386         (Arm_relocate_functions::thm_movw_prel_nc): New function.
5387         (Arm_relocate_functions::thm_movt_prel): New function.
5388         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
5389         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
5390         (Scan::global, Relocate::relocate): Likewise.
5391         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5393 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5395         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
5396         Incremental_checker.
5397         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
5398         unsigned int.
5399         (class Incremental_inputs_header): New class.
5400         (Incremental_inputs_header_writer): Edit comment.
5401         (Incremental_inputs_entry): New class.
5402         (Incremental_inputs_entry_writer): Edit comment.
5403         (Sized_incremental_binary::do_find_incremental_inputs_section):
5404         Add *strtab_shndx parameter, fill it.
5405         (Sized_incremental_binary::do_check_inputs): New method.
5406         (Incremental_checker::can_incrementally_link_output_file): Use
5407         Sized_incremental_binary::check_inputs.
5408         (Incremental_inputs::report_command_line): Save command line in
5409         command_line_.
5410         * incremental.h:
5411         (Incremental_binary::find_incremental_inputs_section): New
5412         method.
5413         (Incremental_binary::do_find_incremental_inputs_section): Add
5414         strtab_shndx parameter.
5415         (Incremental_binary::do_check_inputs): New pure virtual method.
5416         (Sized_incremental_binary::do_check_inputs): Declare.
5417         (Incremental_checker::Incremental_checker): Add incremental_inputs
5418         parameter, use it to initialize incremental_inputs_.
5419         (Incremental_checker::incremental_inputs_): New field.
5420         (Incremental_checker::command_line): New method.
5421         (Incremental_checker::inputs): New method.
5422         (Incremental_checker::command_line_): New field.
5424 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5426         * incremental.cc: Include <cstdarg> and "target-select.h".
5427         (vexplain_no_incremental): New function.
5428         (explain_no_incremental): New function.
5429         (Incremental_binary::error): New method.
5430         (Sized_incremental_binary::do_find_incremental_inputs_section): New
5431         method.
5432         (make_sized_incremental_binary): New function.
5433         (open_incremental_binary): New function.
5434         (can_incrementally_link_file): Add checks if output is ELF and has
5435         inputs section.
5436         * incremental.h: Include "elfcpp_file.h" and "output.h".
5437         (Incremental_binary): New class.
5438         (Sized_incremental_binary): New class.
5439         (open_incremental_binary): Declare.
5440         * object.cc (is_elf_object): Use
5441         elfcpp::Elf_recognizer::is_elf_file.
5442         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
5443         * output.h (Output_file::filesize): New method.
5445 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5447         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
5448         New function.
5449         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
5450         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
5451         function.
5452         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
5453         function.
5454         (Arm_relocate_functions::movw_abs_nc): New function.
5455         (Arm_relocate_functions::movt_abs): New function.
5456         (Arm_relocate_functions::thm_movw_abs_nc): New function.
5457         (Arm_relocate_functions::thm_movt_abs): New function.
5458         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
5459         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
5460         (Scan::global): Likewise.
5461         (Relocate::relocate): Likewise.
5462         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5464 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5466         * arm.cc (Arm_relocate_functions::got_prel) New function.
5467         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5468         (Relocate::relocate): Likewise.
5469         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5471 2009-10-06  Ian Lance Taylor  <iant@google.com>
5473         * options.h (class General_options): Define
5474         split_stack_adjust_size parameter.
5475         * object.h (class Object): Add uses_split_stack_ and
5476         has_no_split_stack_ fields.  Add uses_split_stack and
5477         has_no_split_stack accessor functions.  Declare
5478         handle_split_stack_section.
5479         (class Reloc_symbol_changes): Define.
5480         (class Sized_relobj): Define Function_offsets.  Declare
5481         split_stack_adjust, split_stack_adjust_reltype, and
5482         find_functions.
5483         * object.cc (Object::handle_split_stack_section): New function.
5484         (Sized_relobj::do_layout): Call handle_split_stack_section.
5485         * dynobj.cc (Sized_dynobj::do_layout): Call
5486         handle_split_stack_section.
5487         * reloc.cc (Sized_relobj::relocate_sections): Call
5488         split_stack_adjust for executable sections in split_stack
5489         objects.  Pass reloc_map to relocate_section.
5490         (Sized_relobj::split_stack_adjust): New function.
5491         (Sized_relobj::split_stack_adjust_reltype): New function.
5492         (Sized_relobj::find_functions): New function.
5493         * target-reloc.h: Include "object.h".
5494         (relocate_section): Add reloc_symbol_changes parameter.  Change
5495         all callers.
5496         * target.h (class Target): Add calls_non_split method.  Declare
5497         do_calls_non_split virtual method.  Declare match_view and
5498         set_view_to_nop.
5499         * target.cc: Include "elfcpp.h".
5500         (Target::do_calls_non_split): New function.
5501         (Target::match_view): New function.
5502         (Target::set_view_to_nop): New function.
5503         * gold.cc (queue_middle_tasks): Give an error if mixing
5504         split-stack and non-split-stack objects with -r.
5505         * i386.cc (Target_i386::relocate_section): Add
5506         reloc_symbol_changes parameter.
5507         (Target_i386::do_calls_non_split): New function.
5508         * x86_64.cc (Target_x86_64::relocate_section): Add
5509         reloc_symbol_changes parameter.
5510         (Target_x86_64::do_calls_non_split): New function.
5511         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5512         parameter.
5513         * powerpc.cc (Target_powerpc::relocate_section): Add
5514         reloc_symbol_changes parameter.
5515         * sparc.cc (Target_sparc::relocate_section): Add
5516         reloc_symbol_changes parameter.
5517         * configure.ac: Call AM_CONDITIONAL for the default target.
5518         * configure: Rebuild.
5519         * testsuite/Makefile.am (TEST_AS): New variable.
5520         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5521         (check_DATA): Add split_i386 and split_x86_64 files.
5522         (SPLIT_DEFSYMS): Define.
5523         (split_i386_[1234n].o): New targets.
5524         (split_i386_[124]): New targets.
5525         (split_i386_[1234r].stdout): New targets.
5526         (split_x86_64_[1234n].o): New targets.
5527         (split_x86_64_[124]): New targets.
5528         (split_x86_64_[1234r].stdout): New targets.
5529         (MOSTLYCLEANFILES): Add new executables.
5530         * testsuite/split_i386.sh: New file.
5531         * testsuite/split_x86_64.sh: New file.
5532         * testsuite/split_i386_1.s: New file.
5533         * testsuite/split_i386_2.s: New file.
5534         * testsuite/split_i386_3.s: New file.
5535         * testsuite/split_i386_4.s: New file.
5536         * testsuite/split_i386_n.s: New file.
5537         * testsuite/split_x86_64_1.s: New file.
5538         * testsuite/split_x86_64_2.s: New file.
5539         * testsuite/split_x86_64_3.s: New file.
5540         * testsuite/split_x86_64_4.s: New file.
5541         * testsuite/split_x86_64_n.s: New file.
5542         * testsuite/testfile.cc (Target_test): Update relocation_section
5543         function.
5544         * testsuite/Makefile.in: Rebuild.
5546 2009-10-06  Ian Lance Taylor  <iant@google.com>
5548         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5549         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5550         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5551         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5552         the address on ldo_addrs_.
5553         (Target_i386::Relocate::fix_up_ldo): New function.
5555 2009-10-06   Rafael Espindola  <espindola@google.com>
5557         * plugin.cc (add_input_library): New.
5558         (Plugin::load): Add add_input_library to tv.
5559         (Plugin_manager::add_input_file): Add the is_lib argument.
5560         (add_input_file): Update call to Plugin_manager::add_input_file.
5561         (add_input_library): New.
5562         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5564 2009-09-30  Doug Kwan  <dougkwan@google.com>
5566         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5567         symbol and call Symbol::may_need_copy_reloc to determine if
5568         a copy reloc is needed.
5569         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5570         nocopyreloc is given in command line.
5571         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5572         given in command line.
5573         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5574         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5575         of the removed Target_i386::may_need_copy_reloc.
5576         * options.h (copyreloc): New option with default value false.
5577         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5578         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5579         instead of the removed Target_powerpc::may_need_copy_reloc.
5580         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5581         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5582         instead of the removed Target_sparc::may_need_copy_reloc.
5583         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5584         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5585         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5586         instead of the removed Target_x86_64::may_need_copy_reloc.
5588 2009-09-30  Ian Lance Taylor  <iant@google.com>
5590         * object.h (class Object): Remove target_ field, and target,
5591         sized_target, and set_target methods.
5592         (Object::sized_target): Remove.
5593         (class Sized_relobj): Update declarations.  Remove sized_target.
5594         * object.cc (Sized_relobj::setup): Remove target parameter.
5595         Change all callers.
5596         (Input_objects::add_object): Don't do anything with the target.
5597         (make_elf_sized_object): Add punconfigured parameter.  Change all
5598         callers.  Set or test parameter target.
5599         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5600         Change all callers.
5601         * parameters.cc (Parameters::set_target): Change parameter type to
5602         be non-const.
5603         (Parameters::default_target): Remove.
5604         (set_parameters_target): Change parameter type to be non-const.
5605         (parameters_force_valid_target): New function.
5606         (parameters_clear_target): New function.
5607         * parameters.h (class Parameters): Update declarations.  Remove
5608         default_target method.  Add sized_target and clear_target
5609         methods.  Change target_ to be non-const.
5610         (set_parameters_target): Update declaration.
5611         (parameters_force_valid_target): Declare.
5612         (parameters_clear_target): Declare.
5613         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5614         as NULL if we aren't searching.
5615         (Add_symbols::run): Don't check for compatible target.
5616         * fileread.cc (Input_file::open_binary): Call
5617         parameters_force_valid_target.
5618         * gold.cc (queue_middle_tasks): Likewise.
5619         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5620         set_target on object.
5621         * dynobj.h (class Sized_dynobj): Update declarations.
5622         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5623         make_elf_object returns NULL.
5624         (Archive::include_member): Don't check whether object target is
5625         compatible.
5626         * output.cc (Output_section::add_input_section): Get target from
5627         parameters.
5628         (Output_section::relax_input_section): Likewise.
5629         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5630         parameters.
5631         (Sized_relobj::do_scan_relocs): Likewise.
5632         (Sized_relobj::relocate_sections): Likewise.
5633         * resolve.cc (Symbol_table::resolve): Likewise.
5634         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5635         parameter.  Change all callers.
5636         (Symbol_table::add_from_object): Get target from parameters.
5637         (Symbol_table::add_from_relobj): Don't check object target.
5638         (Symbol_table::add_from_dynobj): Likewise.
5639         (Symbol_table::define_special_symbol): Get target from
5640         parameters.
5641         * symtab.h (class Symbol_table): Update declaration.
5642         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5643         parameter.  Change all callers.  Clear parameter target.
5644         (Binary_test): Test target here.
5645         * testsuite/object_unittest.cc (gold_testsuite): Remove
5646         target_test_pointer parameter.  Change all callers.
5647         (Object_test): Test target here.
5649 2009-09-26  Ian Lance Taylor  <iant@google.com>
5651         * testsuite/initpri1.c: Don't try to use constructor priorities if
5652         compiling with gcc before 4.3.
5654 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5656         * testsuite/retain_symbols_file_test.sh (check_present): Change
5657         output file name to retain_symbols_file_test.stdout.
5658         (check_absent): Likewise.
5660 2009-09-18  Craig Silverstein  <csilvers@google.com>
5662         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5663         * options.cc: Include <cerrno> and <fstream>.
5664         (General_options::finalize): Parse -retain-symbols-file tag.
5665         * options.h: New flag.
5666         (General_options): New method should_retain_symbol, new
5667         variable symbols_to_retain.
5668         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5669         should_retain_symbol map.
5670         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5671         * testsuite/Makefile.in: Regenerate.
5672         * testsuite/retain_symbols_file_test.sh: New file.
5674 2009-09-18  Nick Clifton  <nickc@redhat.com>
5676         * po/es.po: Updated Spanish translation.
5678 2009-09-17  Doug Kwan  <dougkwan@google.com>
5680         * debug.h (DEBUG_RELAXATION): New constant.
5681         (DEBUG_ALL): Add DEBUG_RELAXATION.
5682         (debug_string_to_enum): Add relaxation debug option.
5683         * layout.cc
5684         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5685         Layout::Relaxation_debug_check::read_sections,
5686         Layout::Relaxation_debug_check::read_sections): New method definitions.
5687         (Layout::Layout): Initialize data members
5688         record_output_section_data_from_scrips_,
5689         script_output_section_data_list_ and relaxation_debug_check_.
5690         (Layout::save_segments, Layout::restore_segments,
5691         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5692         Layout::relaxation_loop_body): New method definitions.
5693         (Layout::finalize): Support relaxation.  Move section layout code to
5694         Layout::relaxation_loop_body.
5695         (Layout::set_asection_address_from_script): Move code for orphan
5696         section placement out.
5697         (Layout::place_orphan_sections_in_script): New method definition.
5698         * layout.h (Output_segment_headers, Output_file_header):
5699         New forward class declarations.
5700         (Layout::~Layout): Define.
5701         (Layout::new_output_section_data_from_script): New method definition.
5702         (Layout::place_orphan_sections_in_script): New method declaration.
5703         (Layout::Segment_states): New type declaration.
5704         (Layout::save_segments, Layout::restore_segments,
5705         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5706         Layout::relaxation_loop_body): New method declarations.
5707         (Layout::Output_section_data_list): New type declaration.
5708         (Layout::Relaxation_debug_check): New class definition.
5709         (Layout::record_output_section_data_from_script_,
5710         Layout::script_output_section_data_list_, Layout::segment_states_,
5711         Layout::relaxation_debug_check_): New data members.
5712         * output.cc: (Output_section_headers::do_size): New method definition.
5713         (Output_section_headers::Output_section_headers): Move size
5714         computation to Output_section_headers::do_size.
5715         (Output_segment_headers::do_size): New method definition.
5716         (Output_file_header::Output_file_header): Move size computation to
5717         Output_file_header::do_size and call it.
5718         (Output_file_header::do_size): New method definition.
5719         (Output_data_group::Output_data_group): Adjust call to
5720         Output_section_data.
5721         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5722         (Output_symtab_xindex::do_write): Add array bound check.
5723         (Output_section::Input_section::print_to_mapfile): Handle
5724         RELAXED_INPUT_SECTION_CODE.
5725         (Output_section::Output_section): Initialize data member checkpoint_.
5726         (Output_section::~Output_section): Delete checkpoint object pointed
5727         by checkpoint_.
5728         (Output_section::add_input_section): Always add an Input_section if
5729         relaxing.
5730         (Output_section::add_merge_input_section): Add assert.
5731         (Output_section::relax_input_section): New method definition.
5732         (Output_section::set_final_data_size): Set load address to zero for
5733         an unallocated section.
5734         (Output_section::do_address_and_file_offset_have_reset_values):
5735         New method definition.
5736         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5737         Handle relaxed input section.
5738         (Output_section::sort_attached_input_sections): Checkpoint input
5739         section list lazily.
5740         (Output_section::get_input_sections): Change type of input_sections to
5741         list of Simple_input_section pointers.  Checkpoint input section list
5742         lazily.  Also handle relaxed input sections.
5743         (Output_section::add_input_section_for_script): Take a reference to
5744         a Simple_input_section object instead of Relobj pointer and section
5745         index as parameter.  Handle relaxed input sections.
5746         (Output_section::save_states, Output_section::restore_states): New
5747         method definitions.
5748         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5749         (Output_data::is_data_size_fixed): New method definition.
5750         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5751         if it is fixed.
5752         (Output_data::address_and_file_offset_have_reset_values): New method
5753         definition.
5754         (Output_data::do_address_and_file_offset_have_reset_values): New method
5755         definition.
5756         (Output_data::set_data_size): Check that data size is not fixed.
5757         (Output_data::fix_data_size): New method definition.
5758         (Output_data::is_data_size_fixed_): New data member.
5759         (Output_section_headers::set_final_data_size): New method definition.
5760         (Output_section_headers::do_size): New method declaration.
5761         (Output_segment_headers::set_final_data_size): New method definition.
5762         (Output_segment_headers::do_size): New method declaration.
5763         (Output_file_header::set_final_data_size)::New method definition.
5764         (Output_file_header::do_size)::New method declaration.
5765         (Output_section_data::Output_section_data): Add new parameter
5766         is_data_size_fixed and use it to fix data size.
5767         (Output_data_const::Output_data_const): Adjust call to base class
5768         constructor and fix data size.
5769         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5770         base class constructor and fix data size.
5771         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5772         base class constructor and fix data size.
5773         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5774         class constructor and fix data size.
5775         (Output_data_group::set_final_data_size): New method definition.
5776         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5777         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5778         class constructor and fix data size.
5779         (Output_relaxed_input_section): New class definition.
5780         (Output_section::Simple_input_section): New class definition.
5781         (Output_section::get_input_sections): Adjust parameter list.
5782         (Output_section::add_input_section_for_script): Same.
5783         (Output_section::save_states, Output_section::restore_states,
5784         Output_section::do_address_and_file_offset_have_reset_values,
5785         (Output_section::Input_section::Input_section): Handle
5786         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5787         Output_relaxed_input_section.
5788         (Output_section::Input_section::is_input_section,
5789         Output_section::Input_section::set_output_section): Handle relaxed
5790         input section.
5791         (Output_section::Input_section::is_relaxed_input_section,
5792         Output_section::Input_section::output_section_data,
5793         Output_section::Input_section::relaxed_input_section): New method
5794         definitions.
5795         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5796         value.
5797         (Output_section::Input_section::u1_): Update comments.
5798         (Output_section::Input_section::u2_): Add new union member poris.
5799         (Output_section::Checkpoint_output_section): New classs definition.
5800         (Output_section::relax_input_section): New method declaration.
5801         (Output_section::checkpoint_): New data member.
5802         (Output_segment): Update comments.
5803         (Output_segment::Output_segment): Un-privatize copy constructor.
5804         (Output_segment::operator=): Un-privatize.
5805         * script-sections.cc (Output_section_element::Input_section_list):
5806         Change element type to Output_section::Simple_input_section.
5807         (Output_section_element_dot_assignment::set_section_addresses):
5808         Register output section data for relaxation clean up.
5809         (Output_data_exression::Output_data_expression): Adjust call to base
5810         constructor to fix data size.
5811         (Output_section_element_data::set_section_addresses): Register
5812         Output_data_expression object for relaxation clean up.
5813         (struct Input_section_info): Replace Relobj pointer and section index
5814         pair with Output_section::Simple_input_section and Convert struct to a
5815         class.
5816         (Input_section_sorter::operator()): Adjust access to
5817         Input_section_info data member to use accessors.
5818         (Output_section_element_input::set_section_addresses): Use layout
5819         parameter.  Adjust code to use Output_section::Simple_input_section
5820         and Input_secction_info classes.  Register filler for relaxation
5821         clean up.
5822         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5823         and section index pair with Output_section::Simple_input_section
5824         class.  Adjust code accordingly.
5825         (Phdrs_element::release_segment): New method definition.
5826         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5827         segment list.
5828         (Script_sections::release_segments): New method definition.
5829         * gold/script-sections.h (Script_sections::release_segments): New
5830         method declaration.
5831         * gold/target.h (Target::may_relax, Target::relax,
5832         Target::do_may_relax, Target::do_relax): New method definitions.
5834 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5836         * arm.cc (has_signed_unsigned_overflow): New function.
5837         (Arm_relocate_functions::abs8): New function.
5838         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5839         (Target_arm::Scan::global): Likewise.
5840         (Target_arm::relocate::relocate): Likewise.
5841         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5842         Likewise.
5844 2009-09-16  Cary Coutant  <ccoutant@google.com>
5846         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5847         * testsuite/Makefile.in: Regenerate.
5849 2009-09-11  Nick Clifton  <nickc@redhat.com>
5851         * po/gold.pot: Updated by the Translation project.
5853 2009-09-08  Cary Coutant  <ccoutant@google.com>
5855         * output.cc (Output_file::open): Add execute permission to empty file.
5856         * testsuite/Makefile.am (permission_test): New test.
5857         * testsuite/Makefile.in: Regenerate.
5859 2009-09-02  Ian Lance Taylor  <iant@google.com>
5861         * output.cc (Output_file::resize): Call map_no_anonymous rather
5862         than map.
5864 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5866         * gold.cc: Include "incremental.h".
5867         (queue_initial_tasks): Call Incremental_checker methods.
5868         * incremental.cc: Include "output.h".
5869         (Incremental_checker::can_incrementally_link_output_file): New
5870         method.
5871         * incremental.h (Incremental_checker): New class.
5873         * output.cc (Output_file::open_for_modification): New method.
5874         (Output_file::map_anonymous): Changed return type to bool.  Record
5875         map in base_ field.
5876         (Output_file::map_no_anonymous): New method, broken out of map.
5877         (Output_file::map): Use map_no_anonymous and map_anonymous.
5878         * output.h (class Output_file): Update declarations.
5880 2009-08-24  Cary Coutant  <ccoutant@google.com>
5882         * options.h (Command_line::Pre_options): New class.
5883         (Command_line::pre_options): New member.
5884         * options.cc (gold::options::ready_to_register): New variable.
5885         (One_option::register_option): Do nothing if not registering options.
5886         Assert if same short option registered twice.
5887         (General_options::General_options): Turn off option registration when
5888         done constructing.
5889         (Command_line::Pre_options::Pre_options): New constructor.
5891 2009-08-24  Cary Coutant  <ccoutant@google.com>
5893         * options.h (General_options::no_keep_memory): Remove incorrect
5894         short option.
5896 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5898         * Makefile.am (am__skiplex, am__skipyacc): New.
5899         * Makefile.in: Regenerate.
5901 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5903         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5904         (INCLUDES): ... this.
5905         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5906         (AM_CPPFLAGS): Renamed from ...
5907         (INCLUDE): ... this.
5908         * Makefile.in, testsuite/Makefile.in: Regenerate.
5910         * Makefile.in: Regenerate.
5911         * aclocal.m4: Likewise.
5912         * config.in: Likewise.
5913         * configure: Likewise.
5914         * testsuite/Makefile.in: Likewise.
5916         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5917         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5918         * Makefile.in: Regenerate.
5919         * testsuite/Makefile.in: Regenerate.
5921 2009-08-19  Cary Coutant  <ccoutant@google.com>
5923         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5924         symbols in shared libraries overridden by hidden or internal symbols
5925         in the main program.
5927 2009-08-19  Chris Demetriou  <cgd@google.com>
5929         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5930         checking source file names in error messages.
5932 2009-08-18  Doug Kwan  <dougkwan@google.com>
5934         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5935         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5936         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5937         an elfcpp::Ehdr as parameter.
5938         * object.cc (Object::set_target): Remove the version that looks up
5939         a target and sets it.
5940         (Sized_relobj::setup): Take a Target object instead of
5941         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5942         (make_elf_sized_object): Find target and ask target to
5943         make an ELF object.
5944         * object.h: (Object::set_target): Remove the version that looks up
5945         a target and sets it.
5946         (Sized_relobj::setup): Take a Target object instead of
5947         an elfcpp:Ehdr as parameter.
5948         * target.cc: Include dynobj.h.
5949         (Target::do_make_elf_object_implementation): New.
5950         (Target::do_make_elf_object): New.
5951         * target.h (Target::make_elf_object): New template declaration.
5952         (Target::do_make_elf_object): New method declarations.
5953         (Target::do_make_elf_object_implementation): New template declaration.
5955 2009-08-14  Ian Lance Taylor  <iant@google.com>
5957         * gold.h (FUNCTION_NAME): Define.
5958         (gold_unreachable): Use FUNCTION_NAME.
5960 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5962         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5963         symbol in the --keep-unique list is not found.
5965 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5967         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5968         been maked as --keep-unique.
5969         (Icf::unfold_section): New function.
5970         * icf.h (Icf::unfold_section): New function.
5971         * options.h (General_options::keep_unique): New option.
5972         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5973         * testsuite/Makefile.in: Regenerate.
5974         * testsuite/icf_keep_unique_test.sh: New file.
5975         * testsuite/icf_keep_unique_test.cc: New file.
5977 2009-08-12  Cary Coutant  <ccoutant@google.com>
5979         PR 10471
5980         * resolve.cc (Symbol_table::resolve): Check for references from
5981         dynamic objects to hidden and internal symbols.
5982         * testsuite/Makefile.am (hidden_test.sh): New test.
5983         * testsuite/Makefile.in: Regenerate.
5984         * testsuite/hidden_test.sh: New script.
5985         * testsuite/hidden_test_1.c: New test source.
5986         * testsuite/hidden_test_main.c: New test source.
5988 2009-08-11  Doug Kwan  <dougkwan@google.com>
5990         * arm.cc: Update comments.
5991         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5992         segment to locate the .ARM.exidx section if present.
5994 2009-08-09  Doug Kwan  <dougkwan@google.com>
5996         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5997         patch.
5999 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
6000         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
6001         compiler warnings.
6003 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
6005         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
6006         valid tls_segment only for non-debug-section relocations.
6007         * testsuite/Makefile.am: Add gc_tls_test.
6008         * testsuite/Makefile.in: Regenerate.
6009         * testsuite/gc_tls_test.cc: New file.
6010         * testsuite/gc_tls_test.sh: New file.
6012 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
6014         * icf.cc: New file.
6015         * icf.h: New file.
6016         * Makefile.am (CCFILES): Add icf.cc.
6017         (HFILES): Add icf.h
6018         * Makefile.in: Regenerate.
6019         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
6020         * gc.h (gc_process_relocs): Populate lists used by icf to contain
6021         section, symbol and addend information for the relocs.
6022         * gold.cc (queue_middle_tasks): Call identical code folding.
6023         * gold.h: Add defines for multimap.
6024         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
6025         to the call of finalize_local_symbols.
6026         * main.cc (main): Create object of class Icf.
6027         * object.cc (Sized_relobj::do_layout): Allow this function to be
6028         called twice during icf.
6029         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
6030         to sections marked as identical by icf.
6031         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
6032         when available.
6033         (Sized_relobj::do_section_entsize): New function.
6034         * object.h (Object::section_entsize): New function.
6035         (Object::do_section_entsize): New pure virtual function.
6036         (Relobj::finalize_local_symbols): Add new parameter.
6037         (Relobj::do_section_entsize): New function.
6038         * options.h (General_options::icf): New option.
6039         (General_options::icf_iterations): New option.
6040         (General_options::print_icf_sections): New option.
6041         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
6042         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
6043         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
6044         icf.
6045         * symtab.cc (Symbol_table::is_section_folded): New function.
6046         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
6047         to sections marked as identical by icf.
6048         * symtab.h (Symbol_table::set_icf): New function.
6049         (Symbol_table::icf): New function.
6050         (Symbol_table::is_section_folded): New function.
6051         (Symbol_table::icf_): New data member.
6052         * target-reloc.h (relocate_section): Ignore sections folded by icf.
6053         * testsuite/Makefile.am: Add commands to build icf_test.
6054         * testsuite/Makefile.in: Regenerate.
6055         * testsuite/icf_test.sh: New file.
6056         * testsuite/icf_test.cc: New file.
6058 2009-07-24  Chris Demetriou  <cgd@google.com>
6060         * layout.cc (is_compressible_debug_section): Fix incorrect
6061         comment about compressed section names.
6063 2009-07-20  Ian Lance Taylor  <ian@airs.com>
6065         PR 10419
6066         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
6068 2009-07-16  Ian Lance Taylor  <iant@google.com>
6070         PR 10400
6071         * layout.h: #include <map>.
6072         (class Kept_section): Change from struct to class.  Add accessors
6073         and setters.  Add section size to Comdat_group mapping.  Change
6074         Comdat_group to std::map.  Add is_comdat_ field.  Add
6075         linkonce_size field in union.
6076         (class Layout): Update declaration of find_or_add_kept_section.
6077         Don't declare find_kept_object.
6078         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
6079         parameter.  Add object, shndx, is_comdat, and is_group_name
6080         parameters.  Change all callers.  Adjust for new Kept_section.
6081         (Layout::find_kept_object): Remove.
6082         * object.cc (Sized_relobj::include_section_group): Update use of
6083         Kept_section.  Rename secnum to shndx.  Only record
6084         Kept_comdat_section if sections are the same size.
6085         (Sized_relobj::include_linkonce_section): Update use of
6086         Kept_section.  Only record Kept_comdat_section if sections are the
6087         same size.  Set size of linkonce section.
6088         (Sized_relobj::map_to_kept_section): Update call to
6089         get_kept_comdat_section.
6090         * object.h (class Sized_relobj): Rename fields in
6091         Kept_comdat_section to drop trailing underscores; change object
6092         field to Relobj*.  Change Kept_comdat_section_table to store
6093         struct rather than pointer.
6094         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
6095         Add kept_object and kept_shndx parameters.  Change all callers.
6096         (Sized_relobj::get_kept_comdat_section): Change return type to
6097         bool.  Add kept_object and kept_shndx parameters.  Change all
6098         callers.
6099         * plugin.cc (Pluginobj::include_comdat_group): Update call to
6100         Layout::find_or_add_kept_section.
6102 2009-07-09  Ian Lance Taylor  <iant@google.com>
6104         * merge.cc (Object_merge_map::initialize_input_to_output_map):
6105         Reserve space in the hash table.
6107 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
6109         * fileread.cc (File_read::get_mtime): New method.
6110         * fileread.h (Timespec): New structure.
6111         (File_read::get_mtime): New method.
6112         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
6113         Renamed from timestamp_nsec.
6114         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
6115         Elf_Xword.
6116         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
6117         timestamp_nsec.
6118         (Incremental_inputs::report_archive): Save mtime; style fix.
6119         (Incremental_inputs::report_obejct): Save mtime; style fix.
6120         (Incremental_inputs::report_script): Save mtime; style fix.
6121         (Incremental_inputs::finalize_inputs): Style fix.
6122         (Incremental_inputs::finalize): Style fix.
6123         (Incremental_inputs::create_input_section_data): Store inputs
6124         mtime.
6125         * incremental.h (Incremental_inputs::report_script): Add mtime
6126         argument.
6127         (Incremental_inputs::Input_info::Input_info): Intialize only one
6128         union member.
6129         (Incremental_inputs::Input_info::archive): Move to nameless
6130         union.
6131         (Incremental_inputs::Input_info::obejct): Move to nameless union.
6132         (Incremental_inputs::Input_info::script): Move to nameless union.
6133         (Incremental_inputs::mtime): New field.
6134         * script.cc (read_input_script): Pass file mtime to
6135         Incremental_input.
6136         * script.h (Script_info::inputs): Style fix.
6138 2009-07-01  Ian Lance Taylor  <ian@airs.com>
6140         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
6141         instead of 32.
6143 2009-06-24  Ian Lance Taylor  <iant@google.com>
6145         PR 10156
6146         * layout.cc (Layout::choose_output_section): If we find an
6147         existing section, update the flags.
6148         (Layout::create_notes): New function, broken out of
6149         Layout::finalize.
6150         (Layout::finalize): Don't create note sections.
6151         (Layout::create_note): Don't crash if linker script discards
6152         section.
6153         (Layout::create_gold_note): Likewise.
6154         (Layout::create_build_id): Likewise.  Don't set
6155         after_input_sections on the section.
6156         (Layout::create_executable_stack_info): Remove target parameter.
6157         Change caller.
6158         * layout.h (class Layout): Declare create_notes.  Update
6159         declaration of create_executable_stack_info.
6160         * gold.cc (queue_middle_tasks): Call create_notes.
6161         * output.cc (Output_section::update_flags_for_input_section): Move
6162         here from output.h.  If SHF_ALLOC flag is newly set, mark address
6163         invalid.
6164         * output.h (Output_data::mark_address_invalid): New function.
6165         (class Output_section): Only declare, not define,
6166         update_flags_for_input_section.  Remove set_flags.
6168 2009-06-24  Ian Lance Taylor  <iant@google.com>
6170         * script-sections.cc (Output_section_definition::
6171         set_section_addresses): Rename shadowing local load_address to
6172         laddr.
6174 2009-06-24  Ian Lance Taylor  <iant@google.com>
6176         PR 10244
6177         * reloc.cc (relocate_sections): Skip empty relocation sections.
6179 2009-06-23  Ian Lance Taylor  <iant@google.com>
6181         PR 10156
6182         * layout.cc (Layout::create_note): Use choose_output_section
6183         rather than make_output_section.
6185 2009-06-23  Ian Lance Taylor  <iant@google.com>
6187         PR 10237
6188         * options.cc (General_options::parse_V): Set printed_version_.
6189         (General_options::General_options): Initialize printed_version_.
6190         * options.h (class General_options): Add printed_version_ field.
6191         * gold.cc (queue_initial_tasks): If there are no input files,
6192         don't give a fatal error if we printed the version information.
6193         (queue_middle_tasks): If using -r with a shared object, give a
6194         fatal error rather than an ordinary error.
6196 2009-06-23  Ian Lance Taylor  <iant@google.com>
6198         PR 10219
6199         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
6200         (Layout::make_output_section): Set have_stabstr_section_ if we see
6201         a .stab*str section.
6202         (Layout::finalize): Call link_stabs_sections.
6203         (Layout::link_stabs_sections): New file.
6204         * layout.h (class Layout): Add have_stabstr_section_ field.
6205         Declare link_stabs_sections.
6207 2009-06-23  Doug Kwan  <dougkwan@google.com>
6209         * Makefile.am (libgold_a_LIBADD): New.
6210         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6211         * Makefile.in: Regenerate.
6212         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6213         * configure: Regenerate.
6214         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6215         * fileread.cc: Include sys/state.h
6216         * gold.h: Declare memmem and strndup if found missing.
6217         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6219 2009-06-23  Ian Lance Taylor  <iant@google.com>
6221         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6222         * configure: Rebuild.
6224 2009-06-23  Ian Lance Taylor  <iant@google.com>
6226         PR 10147
6227         * object.cc (Object::section_contents): Don't try to get a view if
6228         the section has length zero.
6229         (Object::handle_gnu_warning_section): If the section is empty, use
6230         the name of the section as the warning.
6232 2009-06-23  Ian Lance Taylor  <iant@google.com>
6234         PR 10133
6235         * stringpool.h (class Stringpool_template): Add optimize_ field.
6236         (Stringpool_template::set_optimize): New function.
6237         * stringpool.cc (Stringpool_template::Stringpool_template):
6238         Initialize optimize_ field.
6239         (Stringpool_template::set_string_offsets): Test local optimize
6240         fild rather than parameter.
6241         * layout.cc (Layout::Layout): Call set_optimize on the section
6242         name stringpool.
6244 2009-06-22  Ian Lance Taylor  <iant@google.com>
6246         PR 10030
6247         * yyscript.y: Parse TARGET.
6248         * script.cc (script_set_target): New function.
6249         * script-c.h (script_set_target): Declare.
6250         * options.cc (General_options::string_to_object_format): Rename
6251         from string_to_object_format in anonymous namespace.  Change
6252         callers.
6253         * options.h (class General_options): Declare
6254         string_to_object_format.
6256 2009-06-22  Ian Lance Taylor  <iant@google.com>
6258         * script-sections.cc (Script_sections::create_segments): Don't put
6259         program headers in a PT_LOAD segment if -n or -N.
6261 2009-06-22  Ian Lance Taylor  <iant@google.com>
6263         PR 10141
6264         * options.h (class General_options): Add -z lazy and -z now.  Sort
6265         -z options into alphabetical order.
6266         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6268 2009-06-21  Ian Lance Taylor  <iant@google.com>
6270         * layout.cc (Layout::make_output_section): Call
6271         Target::new_output_section.
6272         (Layout::attach_allocated_section_to_segment): Put large section
6273         sections in a separate load segment with the large segment flag
6274         set.
6275         (Layout::segment_precedes): Sort large data segments after other
6276         load segments.
6277         (align_file_offset): New static function.
6278         (Layout::set_segment_offsets): Use align_file_offset.
6279         * output.h (class Output_section): Add is_small_section_ and
6280         is_large_section_ fields.
6281         (Output_section::is_small_section): New function.
6282         (Output_section::set_is_small_section):  New function.
6283         (Output_section::is_large_section): New function.
6284         (Output_section::set_is_large_section): New function.
6285         (Output_section::is_large_data_section): New function.
6286         (class Output_segment): Add is_large_data_segment_ field.
6287         (Output_segment::is_large_data_segment): New function.
6288         (Output_segment::set_is_large_data_segment): New function.
6289         * output.cc (Output_section::Output_section): Initialize new
6290         fields.
6291         (Output_segment::Output_segment): Likewise.
6292         (Output_segment::add_output_section): Add assertion that large
6293         data sections always go in large data segments.  Force small data
6294         sections to the end of the list of data sections.  Force small BSS
6295         sections to the start of the list of BSS sections.  For large BSS
6296         sections to the end of the list of BSS sections.
6297         * symtab.h (class Symbol): Declare is_common_shndx.
6298         (Symbol::is_defined): Check Symbol::is_common_shndx.
6299         (Symbol::is_common): Likewise.
6300         (class Symbol_table): Define enum Commons_section_type.  Update
6301         declarations.  Add small_commons_ and large_commons_ fields.
6302         * symtab.cc (Symbol::is_common_shndx): New function.
6303         (Symbol_table::Symbol_table): Initialize new fields.
6304         (Symbol_table::add_from_object): Put small and large common
6305         symbols in the right list.
6306         (Symbol_table::sized_finalized_symbol): Check
6307         Symbol::is_common_shndx.
6308         (Symbol_table::sized_write_globals): Likewise.
6309         * common.cc (Symbol_table::do_allocate_commons): Allocate new
6310         common symbol lists.  Don't call do_allocate_commons_list if the
6311         list is empty.
6312         (Symbol_table::do_allocate_commons_list): Remove is_tls
6313         parameter.  Add comons_section_type parameter.  Change all
6314         callers.  Handle small and large common symbols.
6315         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
6316         Symbol::is_common_shndx.
6317         * resolve.cc (symbol_to_bits): Likewise.
6318         * target.h (Target::small_common_shndx): New function.
6319         (Target::small_common_section_flags): New function.
6320         (Target::large_common_shndx): New function.
6321         (Target::large_common_section_flags): New function.
6322         (Target::new_output_section): New function.
6323         (Target::Target_info): Add small_common_shndx, large_common_shndx,
6324         small_common_section_flags, and large_common_section_flags
6325         fields.
6326         (Target::do_new_output_section): New virtual function.
6327         * arm.cc (Target_arm::arm_info): Initialize new fields.
6328         * i386.cc (Target_i386::i386_info): Likewise.
6329         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6330         Likewise.
6331         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
6332         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6333         (Target_x86_64::do_new_output_section): New function.
6334         * configure.ac: Define conditional MCMODEL_MEDIUM.
6335         * testsuite/Makefile.am (check_PROGRAMS): Add large.
6336         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
6337         (large_LDFLAGS): Define.
6338         * testsuite/large.c: New file.
6339         * testsuite/testfile.cc (Target_test::test_target_info):
6340         Initialize new fields.
6341         * configure, testsuite/Makefile.in: Rebuild.
6343 2009-06-05  Doug Kwan  <dougkwan@google.com>
6345         * Makefile.am (CCFILES): Add target.cc.
6346         * Makefile.in: Regenerate.
6347         * i386.cc (class Target_i386): Define new virtual method to
6348         override do_is_local_label_name in parent.
6349         * object.cc (Sized_relobj::do_count_local_symbols): Discard
6350         local symbols if --discard-locals or -X is given.
6351         * options.h (class General_options): Declare new options
6352         '--discard-locals' and '-X' for discarding locals.
6353         * target.h (class Target): Define new methods is_local_label_name.
6354         Declare new virtual method do_is_local_label_name.
6355         * target.cc: New file.
6356         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
6357         (check_SCRIPTS): Add discard_locals_test.sh.
6358         (check_DATA): Add discard_local_tests.syms.
6359         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
6360         (discard_local_tests.syms, discard_locals_test.o): New make rules.
6361         * testsuite/Makefile.in: Regenerate.
6362         * testsuite/discard_locals_test.c: New file.
6363         * testsuite/discard_locals_test.sh: Same.
6365 2009-06-05  Doug Kwan  <dougkwan@google.com>
6367         * object.cc (Sized_relobj::Sized_relobj): Initialize
6368         discarded_eh_frame_shndx_ to -1U.
6369         (Sized_relobj::do_layout): Record index of a discard .eh_frame
6370         section.
6371         (Sized_relobj::do_count_local_symbols): Skip local symbols in
6372         a discarded .eh_frame section.
6373         (Sized_relobj::do_finalize_local_symbols): Ditto.
6374         * object.h (class Sized_relobj): Declare new member
6375         discarded_eh_frame_shndx_.
6376         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
6377         (local_labels_test.o, local_labels_test): New rules.
6378         * testsuite/Makefile.in: Regenerate.
6380 2009-06-04  Doug Kwan  <dougkwan@google.com>
6382         * layout.cc (Layout::section_name_mapping): Add mapping for
6383         special ARM sections.
6385 2009-06-03  Doug Kwan  <dougkwan@google.com>
6387         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
6388         (utils::has_overflow): Same.
6390 2009-06-03  Ian Lance Taylor  <iant@google.com>
6392         * layout.cc (Layout::section_name_mapping): New array, replacing
6393         Layout::linkonce_mapping.
6394         (Layout::section_name_mapping_count): New variable, replacing
6395         Layout::linkonce_mapping_count.
6396         (Layout::linkonce_output_name): Remove.
6397         (Layout::output_section_name): Rewrite.
6398         * layout.h (class Layout): Rename Linkonce_mapping to
6399         Section_name_mapping, linkonce_mapping to section_name_mapping,
6400         linkonce_mapping_count to section_name_mapping_count.  Don't
6401         declare linkonce_output_name.
6403 2009-06-03  Doug Kwan  <dougkwan@google.com>
6405         * gold/arm.cc (namespace utils): New.
6406         (Target_arm::reloc_is_non_pic): Define new method.
6407         (class Arm_relocate_functions): New.
6408         (Target_arm::Relocate::relocate): Handle relocation types used by
6409         Android.
6411 2009-06-03  Ian Lance Taylor  <iant@google.com>
6413         * arm.cc (Target_arm::scan::global): Use || instead of |.
6415 2009-06-02  Doug Kwan  <dougkwan@google.com>
6417         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
6418         issued_non_pic_error_.
6419         (class Target_arm::Scan): Declare new method check_non_pic.
6420         Define new method symbol_needs_plt_entry.
6421         Declare new data member issued_non_pic_error_.
6422         (class Target_arm::Relocate): Declare new method
6423         should_apply_static_reloc.
6424         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
6425         (Target_arm::Scan::check_non_pic): Define new method.
6426         (Target_arm::Scan::local): Handle a small subset of reloc types used
6427         by Android.
6428         (Target_arm::Scan::local): Same.
6429         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
6431 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
6433         * incremental.cc (Incremental_inputs::report_command_line): Filter
6434         out --incremental-* options.
6436 2009-05-29  Doug Kwan  <dougkwan@google.com>
6438         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
6439         template class.
6440         (class Target_arm): Update comment.
6441         (Target_arm::Target_arm): Initialize new data members GOT_,
6442         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
6443         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
6444         and Target_arm::rel_dyn_section.
6445         Declare new_enum Target_arm::Got_type.
6446         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
6447         and DYNBSS_.
6448         Update commments for member do_dynsym_value.
6449         (Target_arm::got_size, Target_arm::plt_section,
6450         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
6451         new methods inside class defintion.
6452         (Target_arm::got_section): Define new method.
6453         (Target_arm::rel_dyn_section): Same.
6454         (Output_data_plt_arm): New template class.
6455         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
6456         (Output_data_plt_arm:do_adjust_output_section): Define new method.
6457         (Output_data_plt_arm::add_entry): Same.
6458         (Output_data_plt_arm::first_plt_entry): Define new
6459         static data member for PLT instruction template.
6460         (Output_data_plt_arm::plt_entry): Same.
6461         (Output_data_plt_arm::do_write): Define new method.
6462         (Target_arm::make_plt_entry): Same.
6463         (Target_arm::do_finalize_sections): Same.
6464         (Target_arm::do_dynsym_value): Same.
6466 2009-05-28  Doug Kwan  <dougkwan@google.com>
6468         * Makefile.am (TARGETSOURCES): Add arm.cc.
6469         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6470         * Makefile.in: Regenerate.
6471         * arm.cc: New file.
6472         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6474 2009-05-26  Doug Kwan  <dougkwan@google.com>
6476         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6477         (General_options::check_excluded_libs): Strip off directories in
6478         archive name before matching like GNU ld does.
6479         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6480         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6481         (exclude_libs_test_LDFLAGS): Add linker option
6482         -Wl,--exclude-libs,libexclude_libs_test_3
6483         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6484         an explicit archive without using -l.
6485         (alt/libexclude_libs_test_3.a): New make rule.
6486         * testsuite/Makefile.in: Regenerate.
6487         * testsuite/exclude_libs_test.c : Declare lib3_default().
6488         (main): Call it.
6489         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6490         * exclude_libs_test_3.c: New file.
6492 2009-05-26  Nick Clifton  <nickc@redhat.com>
6494         * po/id.po: New Indonesian translation.
6495         * po/gold.pot: Updated template file.
6497 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6499         * testsuite/Makefile.am: Add -ffunction-sections to compile
6500         gc_comdat_test files.  Add -Wl,--gc-sections to build
6501         gc_comdat_test.
6502         * testsuite/Makefile.in: Regenerate.
6503         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6505 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6507         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6508         kept comdat section was garbage collected.
6509         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6510         * testsuite/Makefile.in: Regenerate.
6511         * testsuite/gc_comdat_test.sh: New file.
6512         * testsuite/gc_comdat_test_1.cc: New file.
6513         * testsuite/gc_comdat_test_2.cc: New file.
6515 2009-05-19  Doug Kwan  <dougkwan@google.com>
6517         * archive.cc (Archive::Archive): Move constructor from archive.h
6518         to here.  Initialize no_export_.
6519         (Archive::get_elf_object_for_member): Set no_export flag of object.
6520         * archive.h (Archive::Archive): Move constructor body to
6521         archive.cc.
6522         (Archive::no_export): New method.
6523         (Archive::no_export_): New field.
6524         * object.h (Object::Object): Initialize no_export_ to false.
6525         (Object::no_export, Object::set_no_export): New methods.
6526         (Object::no_export_): New field.
6527         * options.cc (General_options::parse_exclude_libs): New method.
6528         (General_options::check_excluded_libs) Same.
6529         * options.h (exclude_libs): New option.
6530         (General_options::check_excluded_libs): New method declaration.
6531         (General_options::excluded_libs_): New field.
6532         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6533         default or protected visibility if an object has no-export flag set.
6534         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6535         (check_SCRIPTS): Add exclude_libs_test.sh.
6536         (check_DATA): Add exclude_libs_test.syms.
6537         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6538         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6539         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6540         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6541         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6542         libexclude_libs_test_2.a): New rules.
6543         * testsuite/Makefile.in: Regenerate.
6544         * testsuite/exclude_libs_test.c: New file.
6545         * testsuite/exclude_libs_test.sh: Ditto.
6546         * testsuite/exclude_libs_test_1.c: Ditto.
6547         * testsuite/exclude_libs_test_2.c: Ditto.
6549 2009-05-15  Ian Lance Taylor  <iant@google.com>
6551         * configure.ac: Check for declarations for cases where libiberty.h
6552         checks HAVE_DECL_xxx.
6553         * configure, config.in: Rebuild.
6555 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6557         * gold.h (Incremental_argument_list): Remove (invalid) forward
6558         declaration.
6559         * incremental.cc (Incremental_inputs::report_achive): New method.
6560         (Incremental_inputs::report_object): New method.
6561         (Incremental_inputs::report_script): New method.
6562         (Incremental_inputs::finalize_inputs): New method.
6563         (Incremental_inputs::finalize): Call finalize_inputs().
6564         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6565         Create inputs entries.
6566         * incremental.h (Incremental_input_type): New enum.
6567         (Incremental_inputs::Incremental_input): Initialize new fields.
6568         (Incremental_inputs::report_inputs): New method.
6569         (Incremental_inputs::report_achive): New method.
6570         (Incremental_inputs::report_object): New method.
6571         (Incremental_inputs::report_script): New method.
6572         (Incremental_inputs::finalize_inputs): New method.
6573         (Incremental_inputs::Input_info): New struct.
6574         (Incremental_inputs::Input_info_map): New typedef.
6575         (Incremental_inputs::lock_): New field.
6576         (Incremental_inputs::Inputs_): New field.
6577         (Incremental_inputs::Inputs_map): New field.
6578         * main.cc (main): Call Incremental_input::report_inputs.
6579         * options.h (Input_argument_list): Typedef moved from
6580         Input_arguments.
6581         (Input_file_group::Files): Remove, use ::Input_argument_list.
6582         (Input_file_group::Input_argument_list): Remove, use
6583         ::Input_argument_list.
6584         * plugin.cc (Plugin_manager::add_input_file): Add error in
6585         incremental build.
6586         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6587         functions.
6588         * script.cc (read_input_script): Call
6589         Incremental_input::report_script.
6590         * script.h (Script_info): New class.
6592 2009-04-27  Ian Lance Taylor  <iant@google.com>
6594         * x86_64.cc (do_adjust_output_section): Set entsize to
6595         plt_entry_size.
6597 2009-04-23  Elliott Hughes  <enh@google.com>
6599         * output.cc (Output_file::close): After short writes, continue
6600         writing from the correct offset in the buffer being written.
6602 2009-04-23  Chris Demetriou  <cgd@google.com>
6604         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6605         * configure: Regenerate.
6606         * config.in: Regenerate.
6607         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6608         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6610 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6612         * incremental.cc (Incremental_inputs_header_data): Renamed from
6613         Incremental_input_header_data.
6614         (Incremental_inputs_header_data::data_size): New field.
6615         (Incremental_inputs_header_data::put_input_file_count): Renamed
6616         from input_file_count.
6617         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6618         from command_line_offset.
6619         (Incremental_inputs_header_data::put_reserved): Renamed from
6620         put_reserved.
6621         (Incremental_inputs_entry_data): Renamed from
6622         Incremental_input_entry_data.
6623         (Incremental_inputs_entry_data::data_size): New field.
6624         (Incremental_inputs::report_command_line): New method.
6625         (Incremental_inputs::finalize): New method.
6626         (Incremental_inputs::create_incremental_inputs_data): New method.
6627         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6628         * incremental.h: New file.
6629         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6630        (Layout::finalize): Create incremental inputs section in
6631         incremental builds.
6632        (Layout::create_incremental_info_sections): New method.
6633         * layout.h (Layout::incremental_inputs): New method.
6634        (Layout::create_incremental_info_sections): New method.
6635        (Layout::incremental_inputs_): New field.
6636         * main.cc (main): Notify Incremental_input of the command line.
6638 2009-04-01  Ian Lance Taylor  <iant@google.com>
6639             Mikolaj Zalewski  <mikolajz@google.com>
6641         * gold.h (reserve_unordered_map): Define, three versions, one for
6642         each version of Unordered_map.
6643         * layout.cc (Layout::Layout): Remove options parameter.  Add
6644         number_of_input_files parameter.  Don't initialize options_.
6645         Initialize number_of_input_files_ and resized_signatures_.  Move
6646         sections_are_attached_.
6647         (Layout::layout_group): Reserve space for group_signatures_.
6648         (Layout::find_or_add_kept_section): Change name parameter to be a
6649         reference.  Resize signatures_ map when it gets large enough.
6650         (Layout::layout_eh_frame): Use parameters->options() instead of
6651         this->options_.
6652         (Layout::make_output_section): Likewise.
6653         (Layout::attach_allocated_section_to_segment): Likewise.
6654         (Layout::finalize, Layout::create_executable_stack): Likewise.
6655         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6656         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6657         * layout.h (class Layout): Update declarations.  Remove options_
6658         field.  Add number_of_input_files_ and resized_signatures_
6659         fields.  Move sections_are_attached_ field.
6660         * main.cc (main): Pass number of input files to Layout
6661         constructor.  Don't pass options.
6663 2009-03-30  Ian Lance Taylor  <iant@google.com>
6665         * ffsll.c (ffsll): Correct implementation.
6667 2009-03-27  Ian Lance Taylor  <iant@google.com>
6669         * ffsll.c: New file.
6670         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6671         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6672         * ftruncate.c (ftruncate): Declare before definition.
6673         * mremap.c (mremap): Likewise.
6674         * pread.c (pread): Likewise.
6675         * configure, Makefile.in, config.in: Rebuild.
6677         * mremap.c: New file.
6678         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6679         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6680         (mremap): Declare if HAVE_MREMAP is not defined.
6681         * configure, Makefile.in, config.in: Rebuild.
6683 2009-03-27  Cary Coutant  <ccoutant@google.com>
6685         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6686         position independent.
6687         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6688         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6690 2009-03-24  Cary Coutant  <ccoutant@google.com>
6692         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6693         an executable.
6694         (needs_dynamic_reloc): Likewise.
6696 2009-03-24  Ian Lance Taylor  <iant@google.com>
6698         * yyscript.y (file_cmd): Recognize EXTERN.
6699         (extern_name_list, extern_name_list_body): New nonterminals.
6700         * script.cc (script_add_extern): Define.
6701         * script-c.h (script_add_extern): Declare.
6703 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6705         * object.cc (is_elf_object): Define.
6706         * object.h (is_elf_object): Declare.
6707         * archive.cc (Archive::get_elf_object_for_member): Call
6708         is_elf_object.
6709         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6711 2009-03-24  Elliott Hughes  <enh@google.com>
6713         * output.cc (Output_file::map_anonymous): Define.
6714         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6715         try an anonymous one.  Report the size if the mmap fails.
6716         * output.h (class Output_file): Declare map_anonymous.
6718 2009-03-24  Ian Lance Taylor  <iant@google.com>
6720         * target-select.cc (instantiate_target): Don't acquire the lock if
6721         the instantiated_target_ field has already been set.
6723 2009-03-23  Ian Lance Taylor  <iant@google.com>
6725         * gold-threads.h (class Initialize_lock): Define.
6726         * gold-threads.cc (class Initialize_lock_once): Define.
6727         (initialize_lock_control): New static variable.
6728         (initialize_lock_pointer): New static variable.
6729         (initialize_lock_once): New static function.
6730         (Initialize_lock::Initialize_lock): Define.
6731         (Initialize_lock::initialize): Define.
6732         * target-select.h: Include "gold-threads.h".
6733         (class Target_selector): Add lock_ and initialize_lock_ fields.
6734         Don't define instantiate_target, just declare it.
6735         * target-select.cc (Target_selector::Target_selector): Initialize
6736         new fields.
6737         (Target_selector::instantiate_target): Define.
6738         * descriptors.h: Include "gold-threads.h".
6739         (class Descriptors): Add initialize_lock_ field.
6740         * descriptors.cc (Descriptors::Descriptors): Initialize new
6741         field.
6742         (Descriptors::open): Use initialize_lock_ field
6743         * errors.h (class Errors): Add initialize_lock_ field.
6744         * errors.cc (Errors::Errors): Initialize new field.
6745         (Errors::initialize_lock): Use initialize_lock_ field.
6746         * powerpc.cc (class Target_selector_powerpc): Remove
6747         instantiated_target_ field.  In do_recognize call
6748         instantiate_target rather than do_instantiate_target.  In
6749         do_instantiate_target just allocate a new target.
6750         * sparc.cc (class Target_selector_sparc): Likewise.
6752         * freebsd.h: New file.
6753         * i386.cc: Include "freebsd.h".
6754         (Target_i386): Derive from Target_freebsd rather than
6755         Sized_target.
6756         (Target_selector_i386): Derive from Target_selector_freebsd rather
6757         than Target_selector.
6758         * x86_64.cc: Include "freebsd.h".
6759         (Target_x86_64): Derive from Target_freebsd rather than
6760         Sized_target.
6761         (Target_selector_x86_64): Derive from Target_selector_freebsd
6762         rather than Target_selector.
6763         * target.h (class Target): Add adjust_elf_header and
6764         do_adjust_elf_header.
6765         * output.cc (Output_file_header:: do_sized_write): Call target
6766         adjust_elf_header routine.
6767         * configure.tgt: Set targ_osabi.
6768         * configure.ac: Define GOLD_DEFAULT_OSABI.
6769         * parameters.cc (Parameters::default_target): Pass
6770         GOLD_DEFAULT_OSABI to select_target.
6771         * target-select.h (class Target_selector): Make instantiate_target
6772         protected rather than private.
6773         * Makefile.am (HFILES): Add freebsd.h.
6774         * configure, Makefile.in, config.in: Rebuild.
6776         * merge.cc (do_add_input_section): Correct pend value.  Change
6777         message about last entry not being null terminated from error to
6778         warning.
6780 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6782         * incremental.cc: New file.
6783         * Makefile.am (CCFILES): Add incremental.cc.
6784         * Makefile.in: Rebuild.
6786 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6788         * layout.cc (Layout::output_section_name): Preserve names
6789         of '.note.' sections.
6791 2009-03-19  Ian Lance Taylor  <iant@google.com>
6793         * descriptors.cc (Descriptors::open): Check that the options are
6794         valid before using them.
6796 2009-03-18  Ian Lance Taylor  <iant@google.com>
6798         * script-sections.h: Include <list>.
6799         (class Script_sections): Change Sections_elements from std::vector
6800         to std::list.  Typedef public Elements_iterator.  Add
6801         orphan_section_placement_, data_segment_align_start_, and
6802         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6803         field.
6804         * script-sections.cc (class Orphan_section_placement): New class.
6805         (class Sections_element): Add virtual functions is_relro and
6806         orphan_section_init.  Remove virtual function place_orphan_here.
6807         (class Output_section_definition): Add is_relro and
6808         orphan_section_init.  Remove place_orphan_here.
6809         (class Orphan_output_section): Likewise.
6810         (Script_sections::Script_sections): Update for field changes.
6811         (Script_sections::data_segment_align): Set saw_data_segment_align_
6812         and data_segment_align_start_, not data_segment_align_index.
6813         (Script_sections::data_segment_relro_end): Check
6814         saw_data_segment_align_.  Use data_segment_align_start_ rather
6815         than data_segment_align_index_.
6816         (Script_sections::place_orphan): Rewrite to use
6817         Orphan_section_placement.
6819 2009-03-17  Ian Lance Taylor  <iant@google.com>
6821         * archive.cc (Archive::add_symbols): Check for a version attached
6822         to the symbol name in the archive map.
6823         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6824         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6825         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6826         (ver_test_11.a): New target.
6827         * testsuite/Makefile.in: Rebuild.
6829         * configure.ac: Check for chsize and posix_fallocate.  Replace
6830         ftruncate.
6831         * ftruncate.c: New file, from gnulib.
6832         * output.cc (posix_fallocate): Define dummy version if not
6833         HAVE_POSIX_FALLOCATE.
6834         (Output_file::map): Call posix_fallocate rather than lseek and
6835         write.
6836         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6837         * configure, Makefile.in, config.in: Rebuild.
6839 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6841         * layout.h (Layout::create_note): Add section_name parameter.
6842         * layout.cc (Layout::create_note): Likewise.
6843         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6845 2009-03-17  Ian Lance Taylor  <iant@google.com>
6847         * descriptors.cc: Include "options.h".
6848         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6849         (Descriptors::open): Always use O_CLOEXEC when opening a new
6850         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6851         then set FD_CLOEXEC.
6853         * sparc.cc (class Target_sparc): Add has_got_section.
6854         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6855         make sure we have a GOT section.
6857         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6858         (Target_sparc::Scan::local): Likewise.
6859         (Target_sparc::Scan::global): Likewise.
6860         (Target_sparc::Relocate::relocate): Likewise.
6861         (Target_sparc::Relocate::relocate_tls): Likewise.
6863         * symtab.cc (Symbol_table::define_default_version): New function,
6864         broken out of add_from_object.
6865         (Symbol_table::add_from_object): Call define_default_version.
6866         (Symbol_table::define_special_symbol): Add resolve_oldsym
6867         parameter.  Change all callers.  If the version for a symbol comes
6868         from a version script, resolve it with the symbol with the same
6869         name with no version.  Also add the symbol without a version if
6870         appropriate.
6871         (do_define_in_output_data): If resolving with oldsym, don't delete
6872         sym.
6873         (do_define_in_output_segment): Likewise.
6874         (do_define_as_constant): Likewise.
6875         * symtab.h (class Symbol_table): Update declarations.
6877 2009-03-13  Ian Lance Taylor  <iant@google.com>
6879         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6880         (Read_symbols::requeue): New function.
6881         (Read_symbols::do_read_symbols): If make_elf_object fails because
6882         the target type is not configured, and the file was searched for,
6883         issue a warning and retry with the next directory.
6884         (Add_symbols::run): If the file has an incompatible format, and
6885         it was searched for, requeue the Read_symbols task.  On error,
6886         release the object.
6887         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6888         dirindex parameter to constructor.  Change all callers.  Declare
6889         incompatible_warning and requeue.
6890         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6891         input_argument_ and input_group_ fields.  Add them to
6892         constructor.  Change all callers.
6893         (class Read_script): Add dirindex_ field.  Add it to constructor.
6894         Change all callers.
6895         * archive.cc (Archive::setup): Remove input_objects parameter.
6896         Change all callers.
6897         (Archive::get_file_and_offset): Likewise.
6898         (Archive::read_all_symbols): Likewise.
6899         (Archive::read_symbols): Likewise.
6900         (Archive::get_elf_object_for_member): Remove input_objects
6901         parameter.  Add punconfigured parameter.  Change all callers.
6902         (Archive::add_symbols): Change return type to bool.  Check return
6903         value of include_member.
6904         (Archive::include_all_members): Likewise.
6905         (Archive::include_member): Change return type to bool.  Return
6906         false if first included object has incompatible target.  Set
6907         included_member_ field.
6908         (Add_archive_symbols::run): If add_symbols returns false, requeue
6909         Read_symbols task.
6910         * archive.h (class Archive): Add included_member_ field.
6911         Initialize it in constructor.  Add input_file and searched_for
6912         methods.  Update declarations.
6913         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6914         input_argument_ fields.  Add them to constructor.  Change all
6915         callers.
6916         * script.cc: Include "target-select.h".
6917         (class Parser_closure): Add skip_on_incompatible_target_ and
6918         found_incompatible_target_ fields.  Add
6919         skip_on_incompatible_target parameter to constructor.  Change all
6920         callers.  Add methods skip_on_incompatible_target,
6921         clear_skip_on_incompatible_target, found_incompatible_target, and
6922         set_found_incompatible_target.
6923         (read_input_script): Add dirindex parameter.  Change all callers.
6924         If parser finds an incompatible target, requeue Read_symbols
6925         task.
6926         (script_set_symbol): Clear skip_on_incompatible_target in
6927         closure.
6928         (script_add_assertion, script_parse_option): Likewise.
6929         (script_start_sections, script_add_phdr): Likewise.
6930         (script_check_output_format): New function.
6931         * script.h (read_input_script): Update declaration.
6932         * script-c.h (script_check_output_format): Declare.
6933         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6934         (ignore_cmd): Remove OUTPUT_FORMAT.
6935         * fileread.cc (Input_file::Input_file): Add explicit this.
6936         (Input_file::will_search_for): New function.
6937         (Input_file::open): Add pindex parameter.  Change all callers.
6938         * fileread.h (class Input_file): Add input_file_argument method.
6939         Declare will_search_for.  Update declarations.
6940         * object.cc (make_elf_object): Add punconfigured parameter.
6941         Change all callers.
6942         * object.h (class Object): Make input_file public.  Add
6943         searched_for method.
6944         (make_elf_object): Update declaration.
6945         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6946         restart search.
6947         * dirsearch.h (class Dirsearch): Update declaration.
6948         * options.h (class General_options): Add --warn-search-mismatch.
6949         * parameters.cc (Parameters::is_compatible_target): New function.
6950         * parameters.h (class Parameters): Declare is_compatible_target.
6951         * workqueue.cc (Workqueue::add_blocker): New function.
6952         * workqueue.h (class Workqueue): Declare add_blocker.
6954         * fileread.cc (Input_file::open): Remove options parameter.
6955         Change all callers.
6956         (Input_file::open_binary): Likewise.
6957         * script.cc (read_input_script): Likewise.
6958         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6959         options parameter from constructor.  Change all callers.
6960         (class Read_script): Likewise.
6961         * fileread.h (class Input_file): Update declarations.
6962         * script.h (read_input_script): Update declaration.
6964 2009-03-10  Nick Clifton  <nickc@redhat.com>
6966         * po/es.po: New Spanish translation.
6968 2009-03-06  Cary Coutant  <ccoutant@google.com>
6970         * options.cc (parse_short_option): Keep dash_z from registering itself.
6972 2009-03-03  Ian Lance Taylor  <iant@google.com>
6974         PR 9918
6975         * target-reloc.h (relocate_section): Pass output_section to
6976         relocate.
6977         * i386.cc (Target_i386::should_apply_static_reloc): Add
6978         output_section parameter.  Change all callers.
6979         (Target_i386::Relocate::relocate): Add output_section parameter.
6980         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6981         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6982         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6983         * testsuite/two_file_shared.sh: New script.
6984         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6985         (check_DATA): Add two_file_shared.dbg.
6986         (two_file_shared.dbg): New target.
6987         * testsuite/Makefile.in: Rebuild.
6989 2009-03-01  Ian Lance Taylor  <iant@google.com>
6991         * configure.ac: Check for byteswap.h.
6992         * configure: Rebuild.
6993         * config.in: Rebuild.
6995 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6997         * layout.cc (Layout::find_or_add_kept_section): New function.
6998         (Layout::add_comdat): Removed.
6999         * layout.h (struct Kept_section): Move out of class Layout.
7000         Remove trailing underscores from field names.  Add group_sections
7001         field.  Rename group_ field to is_group.  Change all uses.
7002         (class Layout): Declare find_or_add_kept_section, not add_comdat.
7003         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
7004         comdat_groups_ field.
7005         (Sized_relobj::include_section_group): Use
7006         find_or_add_kept_section and Kept_section::group_sections.
7007         (Sized_relobj::include_linkonce_section): Likewise.
7008         * object.cc (class Sized_relobj): Don't define Comdat_group or
7009         Comdat_group_table.  Remove find_comdat_group and
7010         add_comdat_group.  Remove comdat_groups_ field.
7011         * plugin.cc (include_comdat_group): Use
7012         Layout::find_or_add_kept_section.
7014 2009-02-28  Ian Lance Taylor  <iant@google.com>
7016         * README: --gc-sections and map files are now supported.  Document
7017         some build requirements.
7019         PR 6992
7020         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
7021         relocatable link set the value of the section symbol to zero.
7022         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
7023         relocatable link don't include the section address in the local
7024         symbol value.
7026 2009-02-27  Ian Lance Taylor  <iant@google.com>
7028         PR 6811
7029         * options.h (class Search_directory): Add is_system_directory.
7030         (class General_options): Declare is_in_system_directory.
7031         * options.cc (get_relative_sysroot): Make static.
7032         (get_default_sysroot): Make static.
7033         (General_optoins::is_in_system_directory): New function.
7034         * fileread.cc (Input_file::is_in_system_directory): New function.
7035         * fileread.h (class Input_file): Declare is_in_system_directory.
7036         * object.h (class Object): Add is_in_system_directory.
7037         (class Input_objects): Remove system_library_directory_ field.
7038         * object.cc (Input_objects::add_object): Don't set
7039         system_library_directory_.
7040         (input_objects::found_in_system_library_directory): Remove.
7041         * symtab.cc (Symbol_table::write_globals): Remove input_objects
7042         parameter.  Change all callers.
7043         (Symbol_table::sized_write_globals): Likewise.
7044         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
7045         Call Object::is_in_system_directory.
7046         * symtab.h (class Symbol_table): Update declarations.
7048         PR 5990
7049         * descriptors.h (Open_descriptor): Add is_on_stack field.
7050         * descriptors.cc (Descriptors::open): If the descriptor is on the
7051         top of the stack, remove it.  Initialize is_on_stack field.
7052         (Descriptors::release): Only add pod to stack if it is not on the
7053         stack already.
7054         (Descriptors::close_some_descriptor): Clear stack_next and
7055         is_on_stack fields.
7057         PR 7091
7058         * output.cc (Output_section::find_starting_output_address): Rename
7059         from starting_output_address; add PADDR parameter; change return
7060         type.
7061         * output.h (class Output_section): Declare
7062         find_starting_output_address instead of starting_output_address.
7063         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
7064         section symbol for which we can't find a merge section.
7066         PR 9836
7067         * symtab.cc (Symbol_table::add_from_object): If the visibility is
7068         hidden or internal, force the symbol to be local.
7069         * resolve.cc (Symbol::override_visibility): Define.
7070         (Symbol::override_base): Use override_visibility.
7071         (Symbol_table::resolve): Likewise.
7072         (Symbol::override_base_with_special): Likewise.
7073         (Symbol_table::override_with_special): If the visibility is hidden
7074         or internal, force the symbol to be local.
7075         * symtab.h (class Symbol): Add set_visibility and
7076         override_visibility.
7077         * testsuite/ver_test_1.sh: New file.
7078         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
7079         (check_DATA): Add ver_test_1.syms.
7080         (ver_test_1.syms): New target.
7081         * testsuite/Makefile.in: Rebuild.
7083 2009-02-25  Cary Coutant  <ccoutant@google.com>
7085         * layout.cc (Layout::choose_output_section): Don't rename sections
7086         when using a linker script that has a SECTIONS clause.
7087         * Makefile.in: Regenerate.
7089         * testsuite/Makefile.am (script_test_5.sh): New test case.
7090         * testsuite/Makefile.in: Regenerate.
7091         * testsuite/script_test_5.cc: New file.
7092         * testsuite/script_test_5.sh: New file.
7093         * testsuite/script_test_5.t: New file.
7095 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
7097         * archive.cc (Archive::include_member): Update calls to add_symbols.
7098         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
7099         the Layout argument.
7100         * dynobj.h (do_add_symbols): Add the Layout argument.
7101         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
7102         Layout argument.
7103         * object.h (Object::add_symbols): Add the Layout argument.
7104         (Object::do_add_symbols): Add the Layout argument.
7105         (Sized_relobj::do_add_symbols): Add the Layout argument.
7106         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
7107         Unify the two versions.
7108         (Add_plugin_symbols): Remove.
7109         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
7110         (Sized_pluginobj::do_add_symbols): Unify the two versions.
7111         (Add_plugin_symbols): Remove.
7112         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
7113         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
7114         (Add_symbols::run): Make it work with Pulginobj.
7116 2009-02-06  Ian Lance Taylor  <iant@google.com>
7118         * object.cc (Sized_relobj::do_layout): Make info message start
7119         with lower case letter.
7121 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
7123         * binary.cc: Fix file comment.
7125         * options.h (enum Incremental_disposition): Define.
7126         (class General_options): Add new options: --incremental,
7127         --incremental_changed, --incremental_unchanged,
7128         --incremental_unknown.  Add incremental_disposition_ and
7129         implicit_incremental_ fields.
7130         (General_options::incremental_disposition): New function.
7131         (class Position_dependent_options): Add incremental_disposition
7132         option.
7133         (Position_dependent_options::copy_from_options): Set incremental
7134         dispositions.
7135         * options.cc (General_options::parse_incremental_changed): New
7136         function.
7137         (General_options::parse_incremental_unchanged): New function.
7138         (General_options::parse_incremental_unknown): New function.
7139         (General_options::General_options): Initialize new fields
7140         incremental_disposition_ and implicit_incremental_.
7141         (General_options::finalize): Check for uasge of --incremental-*
7142         without --incremental.
7144 2009-02-06  Chris Demetriou  <cgd@google.com>
7146         * gold.h (gold_undefined_symbol): Change to take only a Symbol
7147         pointer and to report location as the file name associated with
7148         the symbol.
7149         (gold_undefined_symbol_at_location): New function to replace the
7150         old gold_undefined_symbol functionality.
7151         * target-reloc.h (relocate_section): Update to use
7152         gold_undefined_symbol_at_location.
7153         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7154         Call gold_undefined_symbol function rather than gold_error.
7155         * errors.h (Errors::undefined_symbol): Take location as a
7156         string, rather than calculating it from a relocation.
7157         * errors.cc (Errors::fatal): Print "fatal error:" before the
7158         formatted message.
7159         (Errors::error, Errors::error_at_location): Print "error: "
7160         before the formatted message.
7161         (Errors::undefined_symbol): Take location as a string, rather
7162         than calculating it from a relocation.
7163         (gold_undefined_symbol_at_location): New function akin to
7164         old gold_undefined_symbol, calculates location from relocation.
7165         (gold_undefined_symbol): Change to take only a Symbol pointer
7166         and to report location as the file name associated with the symbol.
7167         * testsuite/debug_msg.sh: Update for changed error messages.
7168         * testsuite/undef_symbol.sh: Likewise.
7170 2009-02-04  Duncan Sands  <baldrick@free.fr>
7172         PR 9812
7173         * reduced_debug_output.h
7174         (Output_reduced_debug_abbrev_section::failed): Use format for
7175         gold_warning.
7176         (Output_reduced_debug_info_section::faild): Likewise.
7178 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
7180         * script.cc (Lazy_demangler): New class.
7181         (Version_script_info::get_symbol_version_helper): Demangle a
7182         symbol only once.
7184 2009-01-29  Cary Coutant  <ccoutant@google.com>
7186         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
7187         to __tls_get_addr.
7188         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7190 2009-01-28  Ian Lance Taylor  <iant@google.com>
7192         * version.cc (version_string): Bump to 1.9.
7194         * gold.h: Include <cstring> and <stdint.h>.
7195         * version.cc: Include <cstdio>.
7196         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
7197         warning.
7198         * reduced_debug_output.cc (insert_into_vector): Rename from
7199         Insert_into_vector; change all callers.  Use Swap_unaligned to
7200         avoid aliasing issue; remove union since it is unnecessary.
7202 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
7204         * Makefile.am (CCFILES): Add gc.cc.
7205         (HFILES): Add gc.h.
7206         * Makefile.in: Regenerate.
7207         * gold.cc (Gc_runner): New class.
7208         (queue_initial_tasks): Call garbage collection related tasks
7209         when corresponding options are invoked.
7210         (queue_middle_gc_tasks): New function.
7211         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7212         processed early before laying out sections during garbage collection.
7213         * gold.h (queue_middle_gc_tasks): New function.
7214         (is_prefix_of): Move from "layout.cc".
7215         * i386.cc (Target_i386::gc_process_relocs): New function.
7216         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7217         * main.cc (main): Create object of class "Garbage_collection".
7218         * object.cc (Relobj::copy_symbols_data): New function.
7219         (Relobj::is_section_name_included): New function.
7220         (Sized_relobj::do_layout): Allow this function to be called twice
7221         during garbage collection and defer layout of section during the
7222         first call.
7223         * object.h (Relobj::get_symbols_data): New function.
7224         (Relobj::is_section_name_included): New function.
7225         (Relobj::copy_symbols_data): New function.
7226         (Relobj::set_symbols_data): New function.
7227         (Relobj::get_relocs_data): New function.
7228         (Relobj::set_relocs_data): New function.
7229         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7230         (Relobj::gc_process_relocs): New function.
7231         (Relobj::do_gc_process_relocs): New pure virtual function.
7232         (Relobj::sd_): New data member.
7233         (Sized_relobj::is_output_section_offset_invalid): New function.
7234         (Sized_relobj::do_gc_process_relocs): New function.
7235         * options.h (General_options::gc_sections): Modify to not be a no-op.
7236         (General_options::print_gc_sections): New option.
7237         * plugin.cc (Plugin_finish::run): Remove function call to
7238         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7239         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7240         * reloc.cc (Read_relocs::run): Add task to process relocs and
7241         determine unreferenced sections when doing garbage collection.
7242         (Gc_process_relocs): New class.
7243         (Sized_relobj::do_gc_process_relocs): New function.
7244         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7245         sections that are garbage collected.
7246         * reloc.h (Gc_process_relocs): New class.
7247         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7248         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7249         symbols whose corresponding sections are garbage collected.
7250         (Symbol_table::Symbol_table): Add new parameter for the garbage
7251         collection object.
7252         (Symbol_table::gc_mark_undef_symbols): New function.
7253         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7254         (Symbol_table::gc_mark_dyn_syms): New function.
7255         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7256         as garbage.
7257         (Symbol_table::add_from_object): Likewise.
7258         (Symbol_table::add_from_relobj): When building shared objects, do not
7259         treat externally visible symbols as garbage.
7260         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7261         table information for static and relocatable links.
7262         * symtab.h (Symbol_table::set_gc): New function.
7263         (Symbol_table::gc): New function.
7264         (Symbol_table::gc_mark_undef_symbols): New function.
7265         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7266         (Symbol_table::gc_mark_dyn_syms): New function.
7267         (Symbol_table::gc_): New data member.
7268         * target.h (Sized_target::gc_process_relocs): New pure virtual
7269         function.
7270         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7271         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7273 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7275         * options.h (General_options::gc_sections): Define as a no-op for now.
7276         (General_options::no_keep_memory): Ditto.
7277         (General_options::Bshareable): Define.
7278         * options.cc (General_options::finalize): Honor -Bshareable.
7280 2009-01-20  Andreas Schwab  <schwab@suse.de>
7282         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7283         read the value in the contents, since we don't use it.  Use the
7284         template endianness when writing.
7285         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7287 2009-01-19  Andreas Schwab  <schwab@suse.de>
7289         * configure.tgt (powerpc64-*): Fix targ_obj.
7291 2009-01-15  Ian Lance Taylor  <iant@google.com>
7293         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7294         local symbols when stripping all symbols.
7296 2009-01-14  Cary Coutant  <ccoutant@google.com>
7298         * output.cc (Output_reloc): Add explicit instantiations.
7300 2009-01-14  Cary Coutant  <ccoutant@google.com>
7302         * archive.cc (Archive::get_elf_object_for_member): Remove call
7303         to File_read::claim_for_plugin.
7304         * descriptors.cc (Descriptors::open): Remove reference to
7305         is_claimed.
7306         (Descriptors::claim_for_plugin): Remove.
7307         * descriptors.h (Descriptors::claim_for_plugin): Remove.
7308         (Descriptors::is_claimed): Remove.
7309         (claim_descriptor_for_plugin): Remove.
7310         * fileread.cc (File_read::claim_for_plugin): Remove.
7311         * fileread.h (File_read::claim_for_plugin): Remove.
7312         (File_read::descriptor): Reopen descriptor if necessary.
7313         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
7314         (Plugin_manager::all_symbols_read): Add task parameter. Change
7315         all callers.
7316         (Plugin_manager::get_input_file): New function.
7317         (Plugin_manager::release_input_file): New function.
7318         (Pluginobj::Pluginobj): Add filesize parameter and initialize
7319         corresponding data member.
7320         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
7321         and pass to base constructor. Change all callers.
7322         (get_input_file, release_input_file): New functions.
7323         (make_sized_plugin_object): Add filesize parameter. Change all callers.
7324         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
7325         (Plugin_manager::all_symbols_read): Add task parameter.
7326         (Plugin_manager::get_input_file): New function.
7327         (Plugin_manager::release_input_file): New function.
7328         (Plugin_manager::task_): New data member.
7329         (Pluginobj::Pluginobj): Add filesize parameter.
7330         (Pluginobj::filename): New function.
7331         (Pluginobj::descriptor): New function.
7332         (Pluginobj::filesize): New function.
7333         (Pluginobj::filesize_): New data member.
7334         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
7335         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
7336         File_read::claim_for_plugin; use Object::unlock to unlock the file.
7338         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
7339         with archive libraries.
7340         * testsuite/Makefile.in: Regenerate.
7341         * testsuite/plugin_test.c (struct sym_info): New type.
7342         (get_input_file, release_input_file): New static variables.
7343         (onload): Capture new transfer vector entries.
7344         (claim_file_hook): Stop reading at end of file according to filesize.
7345         Factor out parsing of readelf output into separate function.
7346         (all_symbols_read_hook): Exercise get_input_file and release_input_file
7347         APIs and get the source file name from the symbol table.  Convert
7348         source file name to corresponding object file name.  Print info
7349         message when adding new input files.
7350         (parse_readelf_line): New function.
7351         * testsuite/plugin_test_1.sh: Add checks for new info messages.
7352         * testsuite/plugin_test_2.sh: Likewise.
7353         * testsuite/plugin_test_3.sh: Likewise.
7354         * testsuite/plugin_test_4.sh: New test case.
7356 2009-01-07  Ian Lance Taylor  <iant@google.com>
7358         * version.cc (version_string): Bump to 1.8.
7360 2008-12-23  Cary Coutant  <ccoutant@google.com>
7362         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
7363         * plugin.cc (Plugin_manager::finish): Rename as
7364         layout_deferred_objects.  Move cleanup to separate function.
7365         (Plugin_manager::cleanup): New function.
7366         (Plugin_finish::run): Call layout_deferred_objects and cleanup
7367         separately.
7368         * plugin.h (Plugin_manager::finish): Rename as
7369         layout_deferred_objects.
7370         (Plugin_manager::cleanup): New function.
7371         (Plugin_manager::cleanup_done): New field.
7373 2008-12-23  Cary Coutant  <ccoutant@google.com>
7375         * plugin.cc (is_visible_from_outside): New function.
7376         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
7377         so we don't return "IR only" status for exported symbols or -r links.
7379         * testsuite/Makefile.am (plugin_test_3): New test case.
7380         * testsuite/Makefile.in: Regenerate.
7381         * testsuite/plugin_test_3.sh: New file.
7383 2008-12-22  Cary Coutant  <ccoutant@google.com>
7385         * object.cc (Sized_relobj::layout_section): New function.
7386         (Sized_relobj::do_layout): Defer layout of input sections until after
7387         plugin has provided replacement files.
7388         (Sized_relobj::do_layout_deferred_sections): New function.
7389         * object.h (Relobj::set_section_offset): Remove virtual keyword.
7390         (Relobj::layout_deferred_sections): New function.
7391         (Relobj::do_layout_deferred_sections): New function.
7392         (Sized_relobj::do_layout_deferred_sections): New function.
7393         (Sized_relobj::layout_section): New function.
7394         (Sized_relobj::Deferred_layout): New structure.
7395         (Sized_relobj::deferred_layout_): New field.
7396         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
7397         Change all callers.  Layout deferred sections.
7398         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
7399         references.
7400         (Plugin_hook::run): Move code from do_plugin_hook inline.
7401         (Plugin_hook::do_plugin_hook): Remove.
7402         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
7403         (Plugin_manager::finish): Renamed, was cleanup.
7404         (Plugin_manager::should_defer_layout): New function.
7405         (Plugin_manager::add_deferred_layout_object): New function.
7406         (Plugin_manager::Deferred_layout_list): New type.
7407         (Plugin_manager::deferred_layout_objects_): New field.
7408         (Plugin_hook::do_plugin_hook): Remove.
7410 2008-12-17  Ian Lance Taylor  <iant@google.com>
7412         * options.h (class General_options): Add --no case for
7413         --export-dynamic.
7415 2008-12-16  Cary Coutant  <ccoutant@google.com>
7417         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
7418         vector.
7419         (Plugin_manager::claim_file): Create plugin object even if
7420         plugin did not call the add_symbols callback.
7421         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
7422         asking for more symbols than were added.
7423         * testsuite/Makefile.am (plugin_test_1): Add test case with
7424         no global symbols.
7425         (empty.syms): New target.
7426         * testsuite/Makefile.in: Regenerate.
7427         * testsuite/plugin_test.c (claim_file_hook): Add new debug
7428         message. Don't call add_symbols if no globals.
7429         (all_symbols_read_hook): Don't provide replacement for empty
7430         claimed file.
7432 2008-12-12  Ian Lance Taylor  <iant@google.com>
7434         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
7435         r_type == 0 for a local symbol with r_sym == 0.
7436         (scan_relocatable_relocs): Pass r_sym to
7437         local_non_section_strategy.
7438         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
7439         r_sym parameter.
7441         * configure.ac: Update test for TLS descriptors: they are
7442         supported as of glibc 2.9.
7443         * configure: Rebuild.
7445 2008-12-11  Ian Lance Taylor  <iant@google.com>
7447         PR 7091
7448         * target-reloc.h (Default_scan_relocatable_relocs): For each
7449         function, map r_type == 0 to RELOC_DISCARD.
7451 2008-12-10  Cary Coutant  <ccoutant@google.com>
7453         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
7454         object to override a kept COMDAT group from a plugin object.
7456 2008-12-09  Ian Lance Taylor  <iant@google.com>
7458         PR 7088
7459         * yyscript.y (file_cmd): Handle INPUT.
7461         * testsuite/initpri1.c: Change all declarations to be full
7462         prototypes by adding void, to avoid compiler warnings.
7464 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7466         * options.cc (General_options::parse_plugin_opt): New.
7467         (General_options::add_plugin): The argument now is just the filename.
7468         (General_options::add_plugin_option): New.
7469         * options.h (plugin_opt): New.
7470         (add_plugin): Change argument name.
7471         (add_plugin_option): New.
7472         * plugin.cc (Plugin::load): Don't parse the plugin option.
7473         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7474         (Plugin::add_option): New.
7475         (Plugin::args_): Change type.
7476         (Plugin::filename_): New.
7477         (Plugin_manager::add_plugin_option): New.
7478         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7479         * testsuite/Makefile.in: Regenerate.
7481 2008-12-05  Cary Coutant  <ccoutant@google.com>
7483         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7484         Handle --strip-lto-sections option.
7485         * options.h (strip_lto_sections): New option.
7487 2008-12-01  Cary Coutant  <ccoutant@google.com>
7489         * plugin.cc (ld_plugin_message): Change format parameter to const.
7490         Fix mismatch between new[] and delete.
7492 2008-11-14  Cary Coutant  <ccoutant@google.com>
7494         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7495         instead of -1U.
7497 2008-11-05  Craig Silverstein  <csilvers@google.com>
7499         * options.cc (General_options::parse_dynamic_list): New function.
7500         * options.h (General_options): New flags dynamic_list,
7501         dynamic_list_data, dynamic_list_cpp_new, and
7502         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7503         (General_options::in_dynamic_list): New function.
7504         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7505         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7506         (Lex::can_continue_name): Likewise.
7507         (yylex): Likewise.
7508         (read_script_file): New parameter script_options.
7509         (read_dynamic_list): New function.
7510         (Script_options::define_dynamic_list): New function.
7511         (dynamic_list_keyword_parsecodes): New variable.
7512         (dynamic_list_keywords): New variable.
7513         * script.h (Script_options::define_dynamic_list): New function
7514         prototype.
7515         (read_dynamic_list): New function prototype.
7516         * symtab.cc (strprefix): New macro.
7517         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7518         dynamic_list_data, dynamic_list_cpp_new, and
7519         dynamic_list_cpp_typeinfo.
7520         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7521         (dynamic_list_expr): New rule.
7522         (dynamic_list_nodes): Likewise.
7523         (dynamic_list_node): Likewise.
7524         * testsuite/Makefile.am (dynamic_list): New test.
7525         * testsuite/Makefile.in: Regenerated.
7526         * testsuite/dynamic_list.t: New file.
7527         * testsuite/dynamic_list.sh: New file.
7529 2008-11-05  Craig Silverstein  <csilvers@google.com>
7531         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7532         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7533         (t11_last): Likewise.
7534         * testsuite/ver_test_6.c (main): Likewise.
7536 2008-10-07  Cary Coutant  <ccoutant@google.com>
7538         * options.c (General_options::finalize): Add check for -static and
7539         -shared.
7540         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7541         is not empty.
7543 2008-10-02  Cary Coutant  <ccoutant@google.com>
7545         * plugin.cc (make_sized_plugin_object): Fix conditional
7546         compilation to work when not all targets are enabled.
7548 2008-09-29  Cary Coutant  <ccoutant@google.com>
7550         * archive.cc (Archive::get_file_and_offset): Use filename instead
7551         of name to get library path.
7552         (Archive::include_member): Unlock external member of a thin archive.
7554         * testsuite/Makefile.am (TEST_AR): New variable.
7555         (thin_archive_test_1): New test.
7556         (thin_archive_test_2): New test.
7557         * testsuite/Makefile.in: Regenerate.
7558         * testsuite/thin_archive_main.cc: New file.
7559         * testsuite/thin_archive_test_1.cc: New file.
7560         * testsuite/thin_archive_test_2.cc: New file.
7561         * testsuite/thin_archive_test_3.cc: New file.
7562         * testsuite/thin_archive_test_4.cc: New file.
7564 2008-09-29  Cary Coutant  <ccoutant@google.com>
7566         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7567         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7568         instead of -1U.
7569         (Sized_relobj::do_finalize_local_symbols): Likewise.
7570         (Sized_relobj::map_to_kept_section): Likewise.
7571         * object.h (Sized_relobj::invalid_address): New constant.
7572         (Sized_relobj::do_output_section_offset): Check for invalid_address
7573         and return -1ULL.
7574         * output.cc (Output_reloc::local_section_offset): Use constant
7575         invalid_address instead of -1U.
7576         (Output_reloc::get_address): Likewise.
7577         (Output_section::output_address): Change -1U to -1ULL.
7578         * output.h (Output_reloc::invalid_address): New constant.
7579         * reloc.cc (Sized_relobj::write_sections): Use constant
7580         invalid_address instead of -1U.
7581         (Sized_relobj::relocate_sections): Likewise.
7582         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7583         values for merge sections.
7584         * target-reloc.h (relocate_for_relocatable): Use constant
7585         invalid_address instead of -1U.
7587 2008-09-19  Cary Coutant  <ccoutant@google.com>
7589         Add plugin functionality for link-time optimization (LTO).
7590         * configure.ac (plugins): Add --enable-plugins option.
7591         * configure: Regenerate.
7592         * config.in: Regenerate.
7593         * Makefile.am (LIBDL): New variable.
7594         (CCFILES): Add plugin.cc.
7595         (HFILES): Add plugin.h.
7596         (ldadd_var): Add LIBDL.
7597         * Makefile.in: Regenerate.
7599         * archive.cc: Include "plugin.h".
7600         (Archive::setup): Don't preread archive symbols when using a plugin.
7601         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7602         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7603         files.
7604         (Archive::include_member): Add symbols from plugin objects.
7605         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7606         * descriptors.cc (Descriptors::open): Check for file descriptors
7607         abandoned by plugins.
7608         (Descriptors::claim_for_plugin): New function.
7609         * descriptors.h (Descriptors::claim_for_plugin): New function.
7610         (Open_descriptor::is_claimed): New field.
7611         (claim_descriptor_for_plugin): New function.
7612         * fileread.cc (File_read::claim_for_plugin): New function.
7613         * fileread.h (File_read::claim_for_plugin): New function.
7614         (File_read::descriptor): New function.
7615         * gold.cc: Include "plugin.h".
7616         (queue_initial_tasks): Add task to call plugin hooks for generating
7617         new object files.
7618         * main.cc: Include "plugin.h".
7619         (main): Load plugin libraries.
7620         * object.h (Pluginobj): Declare.
7621         (Object::pluginobj): New function.
7622         (Object::do_pluginobj): New function.
7623         (Object::set_target): New function.
7624         * options.cc: Include "plugin.h".
7625         (General_options::parse_plugin): New function.
7626         (General_options::General_options): Initialize plugins_ field.
7627         (General_options::add_plugin): New function.
7628         * options.h (Plugin_manager): Declare.
7629         (General_options): Add --plugin option.
7630         (General_options::has_plugins): New function.
7631         (General_options::plugins): New function.
7632         (General_options::add_plugin): New function.
7633         (General_options::plugins_): New field.
7634         * plugin.cc: New file.
7635         * plugin.h: New file.
7636         * readsyms.cc: Include "plugin.h".
7637         (Read_symbols::do_read_symbols): Check for archive before checking
7638         for ELF file.  Call plugin hooks to claim files.
7639         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7640         from a real object file; force override when processing replacement
7641         files.
7642         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7643         (Symbol::init_base_object): Likewise.
7644         (Symbol::init_base_output_data): Likewise.
7645         (Symbol::init_base_output_segment): Likewise.
7646         (Symbol::init_base_constant): Likewise.
7647         (Symbol::init_base_undefined): Likewise.
7648         (Symbol::output_section): Assert that object is not a plugin.
7649         (Symbol_table::add_from_pluginobj): New function.
7650         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7651         undefined.
7652         (Symbol_table::sized_write_globals): Likewise.
7653         (Symbol_table::add_from_pluginobj): Instantiate template.
7654         * symtab.h (Sized_pluginobj): Declare.
7655         (Symbol::in_real_elf): New function.
7656         (Symbol::set_in_real_elf): New function.
7657         (Symbol::in_real_elf_): New field.
7658         (Symbol_table::add_from_pluginobj): New function.
7660         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7661         (LIBDL): New variable.
7662         (LDADD): Add LIBDL.
7663         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7664         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7665         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7666         (MOSTLYCLEANFILES): Likewise.
7667         * testsuite/Makefile.in: Regenerate.
7668         * testsuite/plugin_test.c: New file.
7669         * testsuite/plugin_test_1.sh: New file.
7670         * testsuite/plugin_test_2.sh: New file.
7672 2008-09-16  Ian Lance Taylor  <iant@google.com>
7674         * target-reloc.h (relocate_section): Check whether a symbol is
7675         defined by the ABI before reporting an undefined symbol error.
7676         * target.h (Target::is_defined_by_abi): Make parameter const.
7677         (Target::do_is_defined_by_abi): Likewise.
7678         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7679         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7680         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7681         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7682         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7683         * testsuite/Makefile.in: Rebuild.
7685         * fileread.cc (make_view): Add casts to avoid warning.
7687 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7689         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7690         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7692 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7694         * options.h (General_options::output_is_executable): New.
7695         (General_options::output_is_pie): New.
7696         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7697         for shared libraries.
7698         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7700 2008-09-11  Chris Demetriou  <cgd@google.com>
7702         * options.h (origin): New -z option.
7703         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7704         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7705         in DT_FLAGS_1.
7707 2008-09-05  Cary Coutant  <ccoutant@google.com>
7709         * fileread.cc (File_read::make_view): Add check for attempt to map
7710         beyond end of file.
7712 2008-09-05  Cary Coutant  <ccoutant@google.com>
7714         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7715         explicit instantiations.
7717 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7719         PR gold/6858
7720         * options.cc (General_options::finalize): Allow undefined symbols
7721         in shlibs if linking -shared.
7723         PR gold/6859
7724         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7725         symbols as not needing a dynsym entry.
7727 2008-08-20  Craig Silverstein  <csilvers@google.com>
7729         * fileread.cc (File_read::open): Do not lock the file unless it
7730         was successfully opened.
7732 2008-08-14  Cary Coutant  <ccoutant@google.com>
7734         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7735         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7736         * testsuite/tls_test.cc (struct int128): 128-bit struct
7737         for testing TLS relocs with non-zero addend.
7738         (v12): New TLS variable.
7739         (t12): New test.
7740         (t_last): Add check for v12.
7741         * testsuite/tls_test.h (t12): New function.
7742         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7744 2008-08-13  Ian Lance Taylor  <iant@google.com>
7746         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7747         set tls_segment_ or relro_segment_.
7748         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7749         when appropriate.
7750         * output.h (Output_section::clear_is_relro): New function.
7751         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7752         sections specially even when output_data_ is empty.
7753         (Output_segment::maximum_alignment): When first section is relro,
7754         only force alignment for PT_LOAD segments.
7755         * script.cc (script_data_segment_align): New function.
7756         (script_data_segment_relro_end): New function.
7757         * script-c.h (script_data_segment_align): Declare.
7758         (script_data_segment_relro_end): Declare.
7759         * script-sections.h (class Script_sections): Declare
7760         data_segment_align and data_segment_relro_end.  Add fields
7761         segment_align_index_ and saw_relro_end_.
7762         * script-sections.cc (class Sections_element): Add set_is_relro
7763         virtual function.  Add new bool* parameter to place_orphan_here.
7764         Add get_output_section virtual function.
7765         (class Output_section_definition): Add set_is_relro.  Add new
7766         bool* parameter to place_orphan_here.  Add get_output_section.
7767         Add is_relro_ field.
7768         (Output_section_definition::Output_section_definition): Initialize
7769         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7770         and is_relro_ fields.
7771         (Output_section_definition::place_orphan_here): Add is_relro
7772         parameter.
7773         (Output_section_definition::set_section_addresses): Set relro for
7774         output section.
7775         (Output_section_definition::alternate_constraint): Likewise.
7776         (class Orphan_output_section): Add new bool* parameter to
7777         place_orphan_here.  Add get_output_section.
7778         (Orphan_output_section::place_orphan_here): Add is_relro
7779         parameter.
7780         (Script_sections::Script_sections): Initialize
7781         data_segment_align_index_ and saw_relro_end_.
7782         (Script_sections::data_segment_align): New function.
7783         (Script_sections::data_segment_relro_end): New function.
7784         (Script_sections::place_orphan): Set or clear is_relro.
7785         (Script_sections::set_section_addresses): Force alignment of first
7786         TLS section.
7787         * yyscript.y (exp): Call script_data_segment_align and
7788         script_data_segment_relro_end.
7789         * testsuite/relro_script_test.t: New file.
7790         * testsuite/relro_test.cc (using_script): Declare.
7791         (t1, t2): Test using_script.
7792         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7793         (relro_script_test_SOURCES): Define.
7794         (relro_script_test_DEPENDENCIES): Define.
7795         (relro_script_test_LDFLAGS): Define.
7796         (relro_script_test_LDADD): Define.
7797         (relro_script_test.so): New target.
7798         * testsuite/Makefile.in: Rebuild.
7800 2008-08-06  Cary Coutant <ccoutant@google.com>
7802         * archive.cc (Archive::total_archives, Archive::total_members)
7803         (Archive::total_members_loaded): New variables.
7804         (Archive::setup): Add parameter.  Add option to preread
7805         archive symbols.
7806         (Archive::read_armap): Add counter.
7807         (Archive::get_file_and_offset): New function.
7808         (Archive::get_elf_object_for_member): New function.
7809         (Archive::read_all_symbols): New function.
7810         (Archive::read_symbols): New function.
7811         (Archive::add_symbols): Add counters.
7812         (Archive::include_all_members): Use armap to find members if it's
7813         already built.
7814         (Archive::include_member): Skip reading symbols if already read.
7815         Factored code into Archive::get_file_and_offset and
7816         Archive::get_elf_object_for_member.  Changed call to
7817         Mapfile::report_include_archive_member.
7818         (Archive::print_stats): New function.
7819         * archive.h: Declare Object and Read_symbols_data classes.
7820         (Archive::Archive): Add initializers for new members.
7821         (Archive::setup): Add parameter.
7822         (Archive::print_stats): New function.
7823         (Archive::total_archives, Archive::total_members)
7824         (Archive::total_members_loaded): New variables.
7825         (Archive::get_file_and_offset): New function.
7826         (Archive::get_elf_object_for_member): New function.
7827         (Archive::read_all_symbols): New function.
7828         (Archive::read_symbols): New function.
7829         (Archive::Archive_member): New class.
7830         (Archive::members_): New member.
7831         (Archive::num_members_): New member.
7832         * main.cc: Include archive.h.
7833         (main): Call Archive::print_stats.
7834         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7835         archive parameter; member_name is now the fully-decorated name.
7836         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7837         * options.h: (General_options): Add --preread-archive-symbols option.
7838         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7839         Archive::setup.
7841 2008-08-04  Ian Lance Taylor  <iant@google.com>
7843         * symtab.h (Symbol::use_plt_offset): New function.
7844         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7845         * powerpc.cc (Relocate::relocate): Likewise.
7846         * sparc.cc (Relocate::relocate): Likewise.
7847         * x86_64.cc (Relocate::relocate): Likewise.
7848         * testsuite/weak_plt.sh: New test.
7849         * testsuite/weak_plt_main.cc: New test.
7850         * testsuite/weak_plt_shared.cc: New test.
7851         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7852         (check_PROGRAMS): Add weak_plt.
7853         (check_DATA): Add weak_plt_shared.so.
7854         (weak_plt_main_pic.o, weak_plt): New targets.
7855         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7856         * testsuite/Makefile.in: Rebuild.
7858         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7859         gcctestdir/ld.
7860         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7861         * testsuite/Makefile.in: Rebuild.
7863 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7865         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7866         * Makefile.in: Regenerate.
7867         * po/POTFILES.in: Regenerate.
7869 2008-07-29  Ian Lance Taylor  <iant@google.com>
7871         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7872         symbols before other symbols.
7873         * testsuite/script_test_2.cc (test_addr): Declare.
7874         (test_addr_alias): Declare.
7875         (main): Check that test_addr and test_addr_alias have the right
7876         values.
7877         * testsuite/script_test_2.t: Define test_addr_alias and
7878         test_addr.
7880 2008-07-24  Ian Lance Taylor  <iant@google.com>
7882         PR 5990
7883         * descriptors.cc: New file.
7884         * descriptors.h: New file.
7885         * gold-threads.h (class Hold_optional_lock): New class.
7886         * fileread.cc: Include "descriptors.h".
7887         (File_read::~File_read): Release descriptor rather than closing
7888         it.
7889         (File_read::open) [file]: Call open_descriptor rather than open.
7890         Set is_descriptor_opened_.
7891         (File_read::open) [memory]: Assert that descriptor is not open.
7892         (File_read::reopen_descriptor): New function.
7893         (File_read::release): Release descriptor.
7894         (File_read::do_read): Make non-const.  Reopen descriptor.
7895         (File_read::read): Make non-const.
7896         (File_read::make_view): Reopen descriptor.
7897         (File_read::do_readv): Likewise.
7898         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7899         Update declarations.
7900         * layout.cc: Include "descriptors.h".
7901         (Layout::create_build_id): Use open_descriptor rather than open.
7902         * output.cc: Include "descriptors.h".
7903         (Output_file::open): Use open_descriptor rather than open.
7904         * archive.cc (Archive::const_iterator): Change Archive to be
7905         non-const.
7906         (Archive::begin, Archive::end): Make non-const.
7907         (Archive::count_members): Likewise.
7908         * archive.h (class Archive): Update declarations.
7909         * object.h (Object::read): Make non-const.
7910         * Makefile.am (CCFILES): Add descriptors.cc.
7911         (HFILES): Add descriptors.h.
7912         * Makefile.in: Rebuild.
7914         PR 6716
7915         * gold.h: Always include <clocale>.  Add Solaris workarounds
7916         following code in binutils/sysdep.h.
7918         PR 6048
7919         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7920         this->eh_frame_hdr_ is NULL before using it.
7922         * dynobj.cc (Versions::Versions): Update comment.
7924         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7925         the base version name.
7927         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7928         array size plus one.
7929         (Stringpool_template::set_string_offsets): Subtract one from key
7930         before using it as an array index.
7931         (Stringpool_template::get_offset_with_length): Likewise.
7932         (Stringpool_template::write_to_buffer): Likewise.
7933         * stringpool.h (Stringpool_template::get_offset_from_key):
7934         Likewise.
7936 2008-07-23  Ian Lance Taylor  <iant@google.com>
7938         PR 6658
7939         * object.h (Merged_symbol_value::value): Do our best to handle a
7940         negative addend.
7942         PR 6647
7943         * script.cc (Version_script_info::get_versions): Don't add empty
7944         version tag to return value.
7945         (Version_script_info::get_symbol_version_helper): Change return
7946         type to bool.  Add pversion parameter.  Change all callers.
7947         (script_register_vers_node): Don't require a non-NULL tag.
7948         * script.h (class Version_script_info): Update declarations.
7949         (Version_script_info::get_symbol_version): Change return type to
7950         bool.  Add version parameter.  Change all callers.
7951         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7952         handling.  Handle an empty version from a version script.
7953         (Symbol_table::define_special_symbol): Likewise.
7954         * testsuite/ver_test_10.script: New file.
7955         * testsuite/ver_test_10.sh: New file.
7956         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7957         (check_DATA): Add ver_test_10.syms.
7958         (ver_test_10.syms, ver_test_10.so): New target.
7959         * testsuite/Makefile.in: Rebuild.
7961 2008-07-23  Simon Baldwin  <simonb@google.com>
7963         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7964         to zero for undefined symbols from dynamic libraries.
7966 2008-07-23  Ian Lance Taylor  <iant@google.com>
7968         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7969         Change all callers.
7970         * symtab.h (class Symbol_table): Update declaration.
7971         * testsuite/ver_test_9.cc: New file.
7972         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7973         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7974         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7975         (ver_test_9.so, ver_test_9.o): New targets.
7976         * testsuite/Makefile.in: Rebuild.
7978 2008-07-22  Ian Lance Taylor  <iant@google.com>
7980         * options.h (class General_options): Define --check-sections.
7981         * layout.cc (Layout::set_segment_offsets): Handle
7982         --check-sections.
7984         * options.h (class General_options): Define -n/--nmagic and
7985         -N/--omagic.
7986         * options.cc (General_options::finalize): For -n/--nmagic or
7987         -N/--omagic, set -static.
7988         * layout.cc (Layout::attach_allocated_section_to_segment): If
7989         -N/--omagic, don't put read-only and read-write sections in
7990         different segments.
7991         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7992         finding a read-only segment.
7993         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7994         don't set the minimum segment alignment to the common page size,
7995         and don't set the file offset to the address modulo the page size.
7996         * script-sections.cc (Script_sections::create_segments): If
7997         -n/--omagic, don't put read-only and read-write sections in
7998         different segments.
8000         * cref.cc: New file.
8001         * cref.h: New file.
8002         * options.h (class General_options): Add --print-symbol-counts.
8003         * main.cc (main): Issue defined symbol report if requested.
8004         * archive.cc (Archive::interpret_header): Make into a const member
8005         function.
8006         (Archive::add_symbols): Call Input_objects::archive_start and
8007         archive_stop.
8008         (Archive::const_iterator): Define new class.
8009         (Archive::begin, Archive::end): New functions.
8010         (Archive::include_all_members): Rewrite to use iterator.
8011         (Archive::count_members): New function.
8012         * archive.h (class Archive): Update declarations.
8013         (Archive::filename): New function.
8014         * object.cc: Include "cref.h".
8015         (Sized_relobj::Sized_relobj): Initialize defined_count_.
8016         (Sized_relobj::do_get_global_symbol_counts): New function.
8017         (Input_objects::add_object): Add object to cross-referencer.
8018         (Input_objects::archive_start): New function.
8019         (Input_objects::archive_stop): New function.
8020         (Input_objects::print_symbol_counts): New function.
8021         * object.h: Declare Cref and Archive.
8022         (Object::get_global_symbol_counts): New function.
8023         (Object::do_get_global_symbol_counts): New pure virtual function.
8024         (class Sized_relobj): Add defined_count_ field.  Update
8025         declarations.
8026         (class Input_objects): Add cref_ field.  Update constructor.
8027         Update declarations.
8028         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
8029         defined_count_.
8030         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
8031         symbol counts.
8032         (Sized_dynobj::do_get_global_symbol_counts): New function.
8033         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
8034         defined_count_.  Update declarations.  Define Symbols typedef.
8035         * symtab.cc (Symbol_table::add_from_relobj): Add defined
8036         parameter.  Change all callers.
8037         (Symbol_table::add_from_dynobj): Add sympointers and defined
8038         parameters.  Change all callers.
8039         * symtab.h (class Symbol_table): Update declarations.
8040         * Makefile.am (CCFILES): Add cref.cc.
8041         (HFILES): Add cref.h.
8042         * Makefile.in: Rebuild.
8044 2008-07-22  Simon Baldwin  <simonb@google.com>
8046         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
8047         to zero when writing undefined symbols.
8049 2008-07-22  Ian Lance Taylor  <iant@google.com>
8051         * output.cc (Output_section::add_input_section): Don't try to
8052         merge empty merge sections.
8054 2008-07-21  Craig Silverstein  <csilvers@google.com>
8056         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8057         Include symbol version in error message.
8059 2008-07-20  Chris Demetriou  <cgd@google.com>
8061         * configure.ac (gold_cv_c_random_seed): New configured variable.
8062         (RANDOM_SEED_CFLAGS): New substituted variable.
8063         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
8064         * configure: Rebuild.
8065         * Makefile.in: Likewise.
8066         * testsuite/Makefile.in: Likewise.
8068 2008-07-18  Ian Lance Taylor  <iant@google.com>
8070         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
8071         where we see NAME/NULL and NAME/VERSION  as separate symbols.
8072         * testsuite/ver_test_main.cc (main): Call t4.
8073         (t4, t4_2a): Define.
8074         * testsuite/ver_test_2.cc (t4_2): Define.
8075         * testsuite/ver_test_2.script: Put t4_2a in VER2.
8076         * testsuite/ver_test_4.cc (t4_2a): Define.
8077         * testsuite/ver_test_4.script: Put t4_2a in VER2.
8078         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
8080 2008-07-17  Ian Lance Taylor  <iant@google.com>
8082         * dynobj.cc (Versions::add_def): If we give an error about a
8083         missing version, go ahead and create the version anyhow.
8085 2008-07-10  Ian Lance Taylor  <iant@google.com>
8087         Handle output sections with more than 0x7fffffff bytes.
8088         * object.h (class Relobj): Change map_to_output_ to
8089         output_sections_, and just keep a section pointer.  Change all
8090         uses.  Move comdat group support to Sized_relobj.
8091         (Relobj::is_section_specially_mapped): Remove.
8092         (Relobj::output_section): Remove poff parameter.  Change all
8093         callers.
8094         (Relobj::output_section_offset): New function.
8095         (Relobj::set_section_offset): Rewrite.
8096         (Relobj::map_to_output): Remove.
8097         (Relobj::output_sections): New function.
8098         (Relobj::do_output_section_offset): New pure virtual function.
8099         (Relobj::do_set_section_offset): Likewise.
8100         (class Sized_relobj): Add section_offsets_ field.  Add comdat
8101         group support from Relobj.  Update declarations.
8102         (Sized_relobj::get_output_section_offset): New function.
8103         (Sized_relobj::do_output_section_offset): New function.
8104         (Sized_relobj::do_set_section_offset): New function.
8105         * object.cc (Relobj::output_section_address): Remove.
8106         (Sized_relobj::Sized_relobj): Initialize new fields.
8107         (Sized_relobj::include_section_group): Cast find_kept_object to
8108         Sized_relobj.
8109         (Sized_relobj::include_linkonce_section): Likewise.
8110         (Sized_relobj::do_layout): Use separate arrays for output section
8111         and output offset.
8112         (Sized_relobj::do_count_local_symbols): Change map_to_output to
8113         output_sections.
8114         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
8115         output_sections and section_offsets.
8116         (Sized_relobj::write_local_symbols): Likewise.
8117         (map_to_kept_section): Compute output address directly.
8118         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
8119         output_sections and section_offsets.
8120         (Sized_relobj::write_sections): Likewise.
8121         (Sized_relobj::relocate_sections): Likewise.
8122         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
8123         * output.h (class Output_reloc): Update declarations.  Change
8124         u2_.relobj to Sized_relobj*.
8125         (class Output_data_reloc): Change add functions to use
8126         Sized_relobj*.
8127         * output.cc (Output_reloc::Output_reloc): Change relobj to
8128         Sized_relobj*.
8129         (Output_reloc::local_section_offset): Change return type to
8130         Elf_Addr.  Use get_output_section_offset.
8131         (Output_reloc::get_address): Likewise.
8132         (Output_section::is_input_address_mapped): Don't call
8133         is_section_specially_mapped.
8134         (Output_section::output_offset): Likewise.
8135         (Output_section::output_address): Likewise.
8136         (Output_section::starting_output_address): Likewise.
8137         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
8138         parameter to Sized_relobj*.
8139         (Copy_relocs::need_copy_reloc): Likewise.
8140         (Copy_relocs::save): Likewise.
8141         * copy-relocs.h (class Copy_relocs): Update declarations.
8142         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
8143         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
8144         * target-reloc.h (relocate_for_relocatable): Change
8145         offset_in_output_section type to Elf_Addr.  Change code that uses
8146         it as well.
8147         * layout.cc (Layout::layout): Always set *off.
8148         * mapfile.cc (Mapfile::print_input_section): Use
8149         output_section_offset.
8150         * i386.cc (Target_i386::copy_reloc): Change object parameter to
8151         Sized_relobj*.
8152         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
8153         * sparc.cc (Target_sparc::copy_reloc): Likewise.
8154         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
8156 2008-07-03  Ian Lance Taylor  <iant@google.com>
8158         * layout.cc (Layout::include_section): Do not discard unrecognized
8159         SHT_STRTAB sections.
8161 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
8163         * script.cc (Lex::can_continue_name): Make '?' allowable in
8164         version-script names.
8165         * testsuite/version_script.map: Change glob pattern to use '?'
8167 2008-06-30  Manish Singh  <yosh@gimp.org>
8169         PR 6585
8170         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
8171         Correct typo.
8173 2008-06-30  Ian Lance Taylor  <iant@google.com>
8175         PR 6660
8176         PR 6682
8177         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
8178         versions]: Don't try to read the value in the contents, since we
8179         don't use it.  Use the template endianness when writing.
8181 2008-06-25  Cary Coutant  <ccoutant@google.com>
8183         * fileread.cc (File_read::make_view): Assert on zero-length view.
8184         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
8185         symbol table when there are no symbols to read.
8187 2008-06-23  Craig Silverstein  <csilvers@google.com>
8189         * version.cc (version_string): Bump to 1.7
8191 2008-06-18  Craig Silverstein  <csilvers@google.com>
8193         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
8194         constant 0xFFFF to type Valtype.
8195         (Powerpc_relocate_functions::rel16_ha): Likewise.
8197 2008-06-17  Ian Lance Taylor  <iant@google.com>
8199         * output.h (Output_section::Input_section): Initialize p2align_ to
8200         zero for Output_section_data constructors.
8201         (Output_section::Input_section::addralign): If not an input
8202         section, return the alignment of the Output_section_data.
8203         * testsuite/copy_test.cc: New file.
8204         * testsuite/copy_test_1.cc: New file.
8205         * testsuite/copy_test_2.cc: New file.
8206         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8207         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8208         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8209         (copy_test_1_pic.o, copy_test_1.so): New targets.
8210         (copy_test_2_pic.o, copy_test_2.so): New targets.
8211         * testsuite/Makefile.in: Rebuild.
8213         * script-sections.cc (Script_sections::place_orphan): Initialize
8214         local variable exact.
8216 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8218         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8220 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8221             David S. Miller  <davem@davemloft.net>
8223         * powerpc.cc: New file.
8224         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8225         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8226         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8227         * Makefile.in: Rebuild.
8229 2008-06-09  Ian Lance Taylor  <iant@google.com>
8231         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8232         <exception>.
8233         (throwing, orig_terminate): New static variables.
8234         (terminate_handler): New static function.
8235         (t2): Set terminate handler.
8237 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8239         PR 6584
8240         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8241         alignment.
8243 2008-05-30  Cary Coutant  <ccoutant@google.com>
8245         * archive.cc (Archive::include_all_members) Correct to step
8246         over symbol table and extended name table in thin archives.
8248 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8250         PR 6407
8251         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8252         calculation.
8254 2008-05-28  Caleb Howe  <cshowe@google.com>
8256         * reduced_debug_output.cc: New file.
8257         * reduced_debug_output.h: New file.
8258         * options.h (class General_options): Add --strip-debug-non-line.
8259         * options.cc (General_options::finalize): Add strip_debug_non_line
8260         to the strip heirarchy.
8261         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8262         fields.
8263         * layout.cc: Include "reduced_debug_output.h".
8264         (Layout::Layout): Initialize new fields.
8265         (line_only_debug_sections): New static array.
8266         (is_lines_only_debug_sections): New static inline function.
8267         (Layout::include_section): Handle --strip-debug-non-line.
8268         (Layout::make_output_section): If --strip-debug-non-line, build
8269         new output sections for .debug_abbrev and .debug_info.
8270         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8271         gold.  Warn about possible overflow.
8272         (read_signed_LEB_128): Likewise.
8273         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8274         (read_signed_LEB_128): Declare.
8275         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8276         (HFILES): Add reduced_debug_output.h.
8277         * Makefile.in: Rebuild.
8279 2008-05-21  Ian Lance Taylor  <iant@google.com>
8281         * mapfile.cc: New file.
8282         * mapfile.h: New file.
8283         * options.h (class General_options): Add -M/--print-map and -Map.
8284         * options.cc (General_options::finalize): Make -M equivalent to
8285         -Map -.
8286         * main.cc: Include <cstdio> and "mapfile.h".
8287         (main): Open mapfile if requested.
8288         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8289         constructor.  Change caller.
8290         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8291         (queue_middle_tasks): Likewise.
8292         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8293         declarations.
8294         * archive.cc: Include "mapfile.h".
8295         (Archive::add_symbols): Add mapfile parameter.  Change all
8296         callers.  Pass mapfile, symbol, and reason to include_member.
8297         (Archive::include_all_members): Add mapfile parameter.  Change all
8298         callers.
8299         (Archive::include_member): Add mapfile, sym, and why parameters.
8300         Change all callers.  Report inclusion to map file.
8301         * archive.h: Include "fileread.h".
8302         (class Archive): Update declarations.
8303         (Archive::file): New const method.
8304         (class Add_archive_symbols): Add mapfile_ field.  Update
8305         constructor.  Change all callers.
8306         * readsyms.h (class Read_symbols): Likewise.
8307         (class Finish_group): Likewise.
8308         (class Read_script): Likewise.
8309         * common.cc: Include "mapfile.h".
8310         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
8311         all callers.
8312         (Symbol_table::do_allocate_commons): Likewise.
8313         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
8314         symbol allocation to mapfile.
8315         * common.h (class Allocate_commons_task): Add mapfile_ field.
8316         Update constructor.  Change all callers.
8317         * symtab.h (class Symbol_table): Update declarations.
8318         * layout.cc: Include "mapfile.h".
8319         (Layout_task_runner::run): Print information to mapfile.
8320         (Layout::create_gold_note): Change Output_data_fixed_space to
8321         Output_data_zero_fill.
8322         (Layout::create_build_id): Likewise.
8323         (Layout::print_to_mapfile): New function.
8324         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
8325         constructor.  Change caller.
8326         (class Layout): Declare print_to_mapfile.
8327         * output.cc (Output_section::Input_section::print_to_mapfile): New
8328         function.
8329         (Output_section::add_input_section): If producing a map, always
8330         add to input_sections_ list.
8331         (Output_section::do_print_to_mapfile): New function.
8332         (Output_segment::print_sections_to_mapfile): New function.
8333         (Output_segment::print_section_list_to_mapfile): New function.
8334         * output.h: Include "mapfile.h".
8335         (Output_data::print_to_mapfile): New function.
8336         (Output_data::do_print_to_mapfile): New virtual function.
8337         (Output_segment_headers::do_print_to_mapfile): New function.
8338         (Output_file_header::do_print_to_mapfile): New function.
8339         (Output_data_const::do_print_to_mapfile): New function.
8340         (class Output_data_const_buffer): Add map_name_ field.  Update
8341         constructor.  Change all callers.  Add do_print_to_mapfile
8342         function.
8343         (class Output_data_fixed_space): Likewise.
8344         (class Output_data_space): Likewise.
8345         (class Output_data_zero_fill): New class.
8346         (Output_data_strtab::do_print_to_mapfile): New function.
8347         (Output_data_reloc_base::do_print_to_mapfile): New function.
8348         (Output_relocatable_relocs::do_print_to_mapfile): New function.
8349         (Output_data_group::do_print_to_mapfile): New function.
8350         (Output_data_got::do_print_to_mapfile): New function.
8351         (Output_data_dynamic::do_print_to_mapfile): New function.
8352         (Output_symtab_xindex::do_print_to_mapfile): New function.
8353         (class Output_section): Declare do_print_to_mapflie.  Declare
8354         print_to_mapfile in Input_section.
8355         (class Output_segment): Declare new functions.
8356         * object.h (Sized_relobj::symbol_count): New function.
8357         * script-sections.cc
8358         (Output_section_element_dot_assignment::set_section_addresses):
8359         Change Output_data_fixed_space to Output_data_zero_fill.
8360         (Output_data_expression::do_print_to_mapfile): New function.
8361         * script.cc (read_input_script): Add mapfile parameter.  Change
8362         all callers.
8363         * script.h (read_input_script): Update declaration.
8364         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
8365         (Eh_frame::do_print_to_mapfile): New function.
8366         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
8367         (Output_merge_string::do_print_to_mapfile): New function.
8368         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
8369         function.
8370         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
8371         function.
8372         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
8373         function.
8374         * Makefile.am (CCFILES): Add mapfile.cc.
8375         (HFILES): Add mapfile.h.
8376         * Makefile.in: Rebuild.
8378 2008-05-19  Ian Lance Taylor  <iant@google.com>
8380         * options.h (class General_options): Add -z relro.
8381         * layout.cc (Layout::Layout): Initialize relro_segment_.
8382         (Layout::add_output_section_data): Return the output section.
8383         (Layout::make_output_section): Rcognize relro sections and mark
8384         them appropriately.
8385         (Layout::attach_allocated_section_to_segment): Put relro sections
8386         in a PT_GNU_RELRO segment.
8387         (Layout::create_initial_dynamic_sections): Mark the .dynamic
8388         section as relro.
8389         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
8390         PT_TLS segments.
8391         (Layout::linkonce_mapping): Map d.rel.ro.local to
8392         .data.rel.ro.local.
8393         (Layout::output_section_name): Us .data.rel.ro.local for any
8394         section which begins with that.
8395         * layout.h (class Layout): Update add_output_section_data
8396         declaration.  Add relro_segment_ field.
8397         * output.cc (Output_section::Output_section): Initialize is_relro_
8398         and is_relro_local_ fields.
8399         (Output_segment::add_output_section): Group relro sections.
8400         (Output_segment::is_first_section_relro): New function.
8401         (Output_segment::maximum_alignment): If there is a relro section,
8402         align the segment to the common page size.
8403         (Output_segment::set_section_addresses): Track whether we are
8404         looking at relro sections.  If the last section is a relro
8405         section, align to the common page size.
8406         (Output_segment::set_section_list_addresses): Add in_relro
8407         parameter.  Change all callers.  Align to the page size when
8408         moving from relro to non-relro section.
8409         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
8410         segment.
8411         * output.h (class Output_section): Add is_relro_ and
8412         is_relro_local_ fields.
8413         (Output_section::is_relro): New function.
8414         (Output_section::set_is_relro): New function.
8415         (Output_section::is_relro_local): New function.
8416         (Output_section::set_is_relro_local): New function.
8417         (class Output_segment): Update declarations.
8418         * i386.cc (Target_i386::got_section): Mark .got section as relro.
8419         * sparc.cc (Target_sparc::got_section): Likewise.
8420         * x86_64.cc (Target_x86_64::got_section): Likewise.
8421         * testsuite/relro_test_main.cc: New file.
8422         * testsuite/relro_test.cc: New file.
8423         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
8424         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
8425         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
8426         (relro_test.so, relro_test_pic.o): New targets.
8427         * testsuite/Makefile.in: Rebuild.
8429 2008-05-16  Ian Lance Taylor  <iant@google.com>
8431         * output.cc (Output_segment::add_output_section): Remove front
8432         parameter.
8433         * output.h (class Output_segment): Remove
8434         add_initial_output_section and overloaded add_output_section.
8435         Update declaration of remaining add_output_section.
8436         * layout.cc (Layout::create_interp): Call add_output_section
8437         rather than add_initial_output_section.
8438         (Layout::finish_dynamic_section): Likewise.
8440         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
8441         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
8442         know the dynamic type.
8443         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
8444         field.  Initialize it in constructor.
8445         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
8446         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
8447         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
8448         reloc.
8450         * output.cc (Output_reloc::get_address): Change return type to
8451         Elf_Addr.
8452         * output.h (class Output_reloc): Update get_address declaration.
8453         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
8454         for section addresses.
8456 2008-05-09  Ian Lance Taylor  <iant@google.com>
8458         PR 6493
8459         * gold.cc (gold_nomem): Use return value of write.
8461 2008-05-08  Ian Lance Taylor  <iant@google.com>
8463         * symtab.c (Symbol::init_base_output_data): Add version
8464         parameter.  Change all callers.
8465         (Symbol::init_base_output_segment): Likewise.
8466         (Symbol::init_base_constant): Likewise.
8467         (Symbol::init_base_undefined): Likewise.
8468         (Sized_symbol::init_output_data): Likewise.
8469         (Sized_symbol::init_output_segment): Likewise.
8470         (Sized_symbol::init_constant): Likewise.
8471         (Sized_symbol::init_undefined): Likewise.
8472         (Symbol_table::do_define_in_output_data): If the new symbol has a
8473         version, mark it as the default.
8474         (Symbol_table::do_define_in_output_segment): Likewise.
8475         (Symbol_table::do_define_as_constant): Likewise.
8476         * symtab.h (class Symbol): Update declarations.
8477         (class Sized_symbol): Likewise.
8478         * resolve.cc (Symbol::override_version): New function.
8479         (Symbol::override_base): Call override_version.
8480         (Symbol::override_base_with_special): Likewise.
8481         * testsuite/ver_script_8.script: New file.
8482         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8483         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8484         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8485         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8487 2008-05-06  Ian Lance Taylor  <iant@google.com>
8489         PR 6049
8490         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8491         functions.
8492         (class General_options): Remove existing --undefined, and add
8493         --no-undefined instead.  Add new --undefined as synonym for -u.
8494         * archive.cc (Archive::add_symbols): Check whether symbol was
8495         named with -u.
8496         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8497         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8498         all uses.  Add IS_UNDEFINED.  Update declarations to split
8499         different versions of init_base.  Declare init_base_undefined.
8500         (Symbol::is_defined): Handle IS_UNDEFINED.
8501         (Symbol::is_undefined): Likewise.
8502         (Symbol::is_weak_undefined): Call is_undefined.
8503         (Symbol::is_absolute): Handle IS_CONSTANT.
8504         (class Sized_symbol): Update declarations to split different
8505         versions of init.  Declare init_undefined.
8506         (class Symbol_table): Declare new functions.
8507         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8508         Change all callers.
8509         (Symbol::init_base_output_data): Likewise.
8510         (Symbol::init_base_output_segment): Likewise.
8511         (Symbol::init_base_constant): Likewise.
8512         (Symbol::init_base_undefined): New function.
8513         (Sized_symbol::init_object): Rename from init.  Change all
8514         callers.
8515         (Sized_symbol::init_output_data): Likewise.
8516         (Sized_symbol::init_output_segment): Likewise.
8517         (Sized_symbol::init_constant): Likewise.
8518         (Sized_symbol::init_undefined): New function.
8519         (Symbol_table::add_undefined_symbols_from_command_line): New
8520         function.
8521         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8522         function.
8523         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8524         (Symbol::output_section): Likewise.
8525         (Symbol::set_output_section): Likewise.
8526         (Symbol_table::sized_finalize_symbol): Likewise.
8527         (Symbol_table::sized_write_globals): Likewise.
8528         * resolve.cc (Symbol_table::should_override): Likewise.
8529         (Symbol::override_base_with_special): Likewise.
8531         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8532         symbol, change it to have default visibility.
8533         * testsuite/protected_1.cc: New file.
8534         * testsuite/protected_2.cc: New file.
8535         * testsuite/protected_3.cc: New file.
8536         * testsuite/protected_main_1.cc: New file.
8537         * testsuite/protected_main_2.cc: New file.
8538         * testsuite/protected_main_3.cc: New file.
8539         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8540         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8541         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8542         (protected_1.so): New target.
8543         (protected_1_pic.o, protected_2_pic.o): New targets.
8544         (protected_3_pic.o): New target.
8545         (check_PROGRAMS): Add protected_2.
8546         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8547         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8548         * testsuite/Makefile.in: Rebuild.
8550         * options.h (DEFINE_var): Add set_user_set_##varname__.
8551         (DEFINE_bool_alias): New macro.
8552         (class General_options): Define -Bstatic using DEFINE_bool_alias
8553         rather than DEFINE_special.  Add --undefined as an alias for -z
8554         defs.
8555         * options.cc (General_options::parse_Bstatic): Remove.
8557         * options.h (class General_options): Add --fatal-warnings.
8558         * main.cc (main): Implement --fatal-warnings.
8559         * errors.h (Errors::warning_count): New function.
8561         * options.h (class General_options): Add -Bsymbolic-functions.
8562         * symtab.h (Symbol::is_preemptible): Check for
8563         -Bsymbolic-functions.
8565 2008-05-05  Ian Lance Taylor  <iant@google.com>
8567         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8568         as noVARNAME rather than no-VARNAME.
8569         (class General_options): Add option -z combreloc.
8570         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8571         get_address.
8572         (Output_reloc::sort_before) [SHT_REL]: New function.
8573         (Output_reloc::sort_before) [SHT_RELA]: New function.
8574         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8575         Sort_relocs_comparison.
8576         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8577         parameter.  Change all callers.
8578         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8579         sort_relocs parameter.  Change all callers.
8580         * output.cc (Output_reloc::get_address): New function, broken out
8581         of write_rel.
8582         (Output_reloc::write_rel): Call it.
8583         (Output_reloc::compare): New function.
8584         (Output_data_reloc_base::do_write): Optionally sort relocs.
8586         * configure.ac: If targ_extra_obj is set, link it in.
8587         * configure.tgt: Initialize all variables.
8588         (x86_64*): Set targ_extra_obj and targ_extra_size.
8589         * configure: Rebuild.
8591         * object.cc (Sized_relobj::include_section_group): Adjust section
8592         indexes read from group data.  Build vector to pass to
8593         layout_group.
8594         * layout.cc (Layout::layout_group): Add flags and shndxes
8595         parameters.  Remove contents parameter.  Change caller.  Update
8596         explicit instantiations.
8597         * layout.h (class Layout): Update layout_group declaration.
8598         * output.cc (Output_data_group::Output_data_group): Add flags and
8599         input_shndxes parameters.  Remove contents parameter.  Change
8600         caller.
8601         (Output_data_group::do_write): Change input_sections_ to
8602         input_shndxes_.
8603         * output.h (class Output_data_group): Update constructor
8604         declaration.  Rename input_sections_ to input_shndxes_.
8605         * testsuite/many_sections_test.cc: Add template.
8607 2008-04-30  Cary Coutant  <ccoutant@google.com>
8609         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8611         * layout.cc (Layout::include_section): Refactored check for debug
8612         info section.
8613         (Layout::add_comdat): Add new parameters.  Change type
8614         of signature parameter.  Add object and shndx to signatures table.
8615         (Layout::find_kept_object): New function.
8616         * layout.h: Include <cstring>.
8617         (Layout::is_debug_info_section): New function.
8618         (Layout::add_comdat): Add new parameters.
8619         (Layout::find_kept_object): New function.
8620         (Layout::Kept_section): New struct.
8621         (Layout::Signatures): Change type of map range.
8622         * object.cc (Relobj::output_section_address): New function.
8623         (Sized_relobj::include_section_group): Add new parameters.  Change
8624         calls to Layout::add_comdat.  Change to build table of kept comdat
8625         groups and table mapping discarded sections to kept sections.
8626         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8627         (Sized_relobj::do_layout): Change calls to include_section_group and
8628         include_linkonce_section.
8629         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8630         value to zero when section is discarded.
8631         (Sized_relobj::map_to_kept_section): New function.
8632         * object.h (Relobj::output_section_address): New function.
8633         (Relobj::Comdat_group): New type.
8634         (Relobj::find_comdat_group): New function.
8635         (Relobj::Comdat_group_table): New type.
8636         (Relobj::Kept_comdat_section): New type.
8637         (Relobj::Kept_comdat_section_table): New type.
8638         (Relobj::add_comdat_group): New function.
8639         (Relobj::set_kept_comdat_section): New function.
8640         (Relobj::get_kept_comdat_section): New function.
8641         (Relobj::comdat_groups_): New field.
8642         (Relobj::kept_comdat_sections_): New field.
8643         (Symbol_value::input_value): Update comment.
8644         (Sized_relobj::map_to_kept_section) New function.
8645         (Sized_relobj::include_linkonce_section): Add new parameter.
8646         * target-reloc.h (Comdat_behavior): New type.
8647         (get_comdat_behavior): New function.
8648         (relocate_section): Add code to map a discarded section to the
8649         corresponding kept section when applying a relocation.
8651 2008-04-30  Craig Silverstein  <csilvers@google.com>
8653         * dwarf_reader.cc (next_generation_count): New static var.
8654         (Addr2line_cache_entry): New struct.
8655         (addr2line_cache): New static var.
8656         (Dwarf_line_info::one_addr2line): Added caching.
8657         (Dwarf_line_info::clear_addr2line_cache): New function.
8658         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8659         cache-size parameter.
8660         (Dwarf_line_info::one_addr2line_cache): New function.
8661         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8662         new cache-size argument to one_addr2line(), and clear cache.
8664 2008-04-28  Cary Coutant  <ccoutant@google.com>
8666         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8667         R_386_PC8 relocations.
8669 2008-04-23  Ian Lance Taylor  <iant@google.com>
8671         * object.cc (Sized_relobj::include_section_group): Check for
8672         invalid section group.
8674         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8675         header size.
8677         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8678         than read for file header.
8679         * archive.cc (Archive::include_member): Likewise.
8681 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8683         * aclocal.m4: Regenerate.
8684         * configure: Regenerate.
8686 2008-04-19  Ian Lance Taylor  <iant@google.com>
8688         * version.cc (version_string): Bump to 1.6.
8690         * testsuite/Makefile.am (many_sections_r_test): New target.
8691         (many_sections_r_test_SOURCES): Remove.
8692         (many_sections_r_test_DEPENDENCIES): Remove.
8693         (many_sections_r_test_LDFLAGS): Remove.
8694         (many_sections_r_test_LDADD): Remove.
8696         * object.cc (Sized_relobj::do_add_symbols): Always pass
8697         local_symbol_count_ to add_from_relobj.
8699         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8700         every thousand variables.
8701         * testsuite/Makefile.in: Rebuild.
8703         * object.cc (Xindex::initialize_symtab_xindex): New function.
8704         (Xindex::read_symtab_xindex): New function.
8705         (Xindex::sym_xindex_to_shndx): New function.
8706         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8707         available.
8708         (Sized_relobj::do_initialize_xindex): New function.
8709         (Sized_relobj::do_read_symbols): Adjust section links.
8710         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8711         parameter.  Change all callers.
8712         (Sized_relobj::include_section_group): Adjust section links and
8713         symbol section indexes.
8714         (Sized_relobj::do_layout): Adjust section links.
8715         (Sized_relobj::do_count_local_symbols): Adjust section links and
8716         symbol section indexes.
8717         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8718         ordinary and special symbols.
8719         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8720         dynsym_xindex parameters.  Change all callers.  Adjust section
8721         links.  Use SHN_XINDEX when needed.
8722         (Sized_relobj::get_symbol_location_info): Adjust section links.
8723         Don't get fooled by special symbols.
8724         * object.h (class Xindex): Define.
8725         (class Object): Add xindex_ parameter.  Declare virtual functoin
8726         do_initialize_xindex.
8727         (Object::adjust_sym_shndx): New function.
8728         (Object::set_xindex): New protected function.
8729         (class Symbol_value): Add is_ordinary_shndx_ field.
8730         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8731         (Symbol_value::value): Assert ordinary section.
8732         (Symbol_value::initialize_input_to_output_map): Likewise.
8733         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8734         Change all callers.
8735         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8736         all callers.
8737         (class Sized_relobj): Update declarations.
8738         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8739         parameter.  Change all callers.
8740         (Sized_relobj::adjust_shndx): New function.
8741         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8742         field.
8743         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8744         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8745         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8746         (Sized_dynobj::read_dynsym_section): Adjust section links.
8747         (Sized_dynobj::read_dynamic): Likewise.
8748         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8749         section links.
8750         (Sized_dynobj::do_initialize_xindex): New function.
8751         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8752         do_initialize_xindex.
8753         (Sized_dynobj::adjust_shndx): New function.
8754         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8755         dynsym_xindex_ fields.
8756         (Layout::finalize): Add a call to set_section_indexes before
8757         creating the symtab sections.
8758         (Layout::set_section_indexes): Don't do anything if the section
8759         already has a section index.
8760         (Layout::create_symtab_sections): Add shnum parameter.  Change
8761         caller.  Create .symtab_shndx section if needed.
8762         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8763         caller.
8764         (Layout::allocated_output_section_count): New function.
8765         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8766         needed.
8767         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8768         fields.  Update declarations.
8769         (Layout::symtab_xindex): New function.
8770         (Layout::dynsym_xindex): New function.
8771         (class Write_symbols_task): Add layout_ field.
8772         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8773         Change caller.
8774         * output.cc (Output_section_headers::Output_section_headers): Add
8775         shstrtab_section parameter.  Change all callers.
8776         (Output_section_headers::do_sized_write): Store overflow values
8777         for section count and section string table section index in
8778         section header zero.
8779         (Output_file_header::do_sized_write): Check for overflow of
8780         section count and section string table section index.
8781         (Output_symtab_xindex::do_write): New function.
8782         (Output_symtab_xindex::endian_do_write): New function.
8783         * output.h (class Output_section_headers): Add shstrtab_section_.
8784         Update declarations.
8785         (class Output_symtab_xindex): Define.
8786         (Output_section::has_out_shndx): New function.
8787         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8788         field.
8789         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8790         Change all callers.
8791         (Sized_symbol::init): Likewise.
8792         (Symbol::output_section): Check for ordinary symbol.
8793         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8794         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8795         callers.
8796         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8797         Change all callers.  Simplify handling of symbols from sections
8798         not included in the link.
8799         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8800         distinction.
8801         (Weak_alias_sorter::operator()): Assert that symbols are
8802         ordinary.
8803         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8804         distinction.
8805         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8806         parameters.  Change all callers.
8807         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8808         symbol distinction.  Use SHN_XINDEX when needed.
8809         (Symbol_table::write_section_symbol): Add symtab_xindex
8810         parameter.  Change all callers.
8811         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8812         SHN_XINDEX when needed.
8813         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8814         declarations.
8815         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8816         (Symbol::is_defined): Check is_ordinary.
8817         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8818         (Symbol::is_absolute, Symbol::is_common): Likewise.
8819         (class Sized_symbol): Update declarations.
8820         (class Symbol_table): Update declarations.
8821         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8822         parameters.  Change all callers.
8823         (Sized_symbol::override): Likewise.
8824         (Symbol_table::override): Likewise.
8825         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8826         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8827         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8828         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8829         to be in an ordinary section.
8830         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8831         object and is_ordinary parameters.  Change all callers.
8832         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8833         Change all callers.  Don't add undefined or non-ordinary symbols
8834         to reloc_map_.
8835         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8836         Change all callers.
8837         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8838         declarations.
8839         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8840         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8841         (Sized_relobj::relocate_sections): Likewise.
8842         * target-reloc.h (scan_relocs): Adjust section symbol index.
8843         (scan_relocatable_relocs): Likewise.
8844         * i386.cc (Scan::local): Check for ordinary symbols.
8845         * sparc.cc (Scan::local): Likewise.
8846         * x86_64.cc (Scan::local): Likewise.
8847         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8848         to symbol_section_and_value.
8849         * testsuite/many_sections_test.cc: New file.
8850         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8851         (check_PROGRAMS): Add many_sections_test.
8852         (many_sections_test_SOURCES): Define.
8853         (many_sections_test_DEPENDENCIES): Define.
8854         (many_sections_test_LDFLAGS): Define.
8855         (BUILT_SOURCES): Add many_sections_define.h.
8856         (many_sections_define.h): New target.
8857         (BUILT_SOURCES): Add many_sections_check.h.
8858         (many_sections_check.h): New target.
8859         (check_PROGRAMS): Add many_sections_r_test.
8860         (many_sections_r_test_SOURCES): Define.
8861         (many_sections_r_test_DEPENDENCIES): Define.
8862         (many_sections_r_test_LDFLAGS): Define.
8863         (many_sections_r_test_LDADD): Define.
8864         (many_sections_r_test.o): New target.
8865         * testsuite/Makefile.in: Rebuild.
8867 2008-04-17  Cary Coutant  <ccoutant@google.com>
8869         * errors.cc (Errors::info): New function.
8870         (gold_info): New function.
8871         * errors.h (Errors::info): New function.
8872         * gold.h (gold_info): New function.
8873         * object.cc (Input_objects::add_object): Print trace output.
8874         * options.cc (options::parse_set): New function.
8875         (General_options::parse_wrap): Deleted.
8876         (General_options::General_options): Deleted initializer.
8877         * options.h (options::String_set): New typedef.
8878         (options::parse_set): New function.
8879         (DEFINE_set): New macro.
8880         (General_options::wrap): Changed to use DEFINE_set. Changed
8881         callers of any_wrap_symbols and is_wrap_symbol.
8882         (General_options::trace, General_options::trace_symbol):
8883         New options.
8884         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8885         (General_options::wrap_symbols_): Deleted.
8886         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8888 2008-04-17  David S. Miller  <davem@davemloft.net>
8890         * options.cc (General_options::parse_V): New function.
8891         * options.h: Add entries for -V and -Qy.
8893 2008-04-17  Ian Lance Taylor  <iant@google.com>
8895         * common.cc (Symbol_table::allocate_commons): Remove options
8896         parameter.  Change caller.
8897         (Symbol_table::do_allocate_commons): Remove options parameter.
8898         Change caller.  Just call do_allocate_commons_list twice.
8899         (Symbol_table::do_allocate_commons_list): New function, broken out
8900         of do_allocate_commons.
8901         * common.h (class Allocate_commons_task): Remove options_ field.
8902         Update constructor.
8903         * symtab.cc (Symbol_table::Symbol_table): Initialize
8904         tls_commons_.
8905         (Symbol_table::add_from_object): Put TLS common symbols on
8906         tls_commons_ list.
8907         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8908         which are IN_OUTPUT_DATA.
8909         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8910         allocate_commons and do_allocate_commons declarations.  Declare
8911         do_allocate_commons_list.
8912         * gold.cc (queue_middle_tasks): Update creation of
8913         Allocate_commons_task to not pass options.
8914         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8915         (TLS_TEST_C_FLAGS): New variable.
8916         (tls_test_c_pic.o): New target.
8917         (tls_test_shared.so): Link in tls_test_c_pic.o.
8918         (tls_test_c_pic_ie.o): New target.
8919         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8920         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8921         (tls_test_c.o): New target.
8922         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8923         (tls_pic_test_LDADD): Likewise.
8924         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8925         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8926         (tls_test_c_gnu2.o): New target.
8927         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8928         tls_test_c_gnu2.o.
8929         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8930         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8931         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8932         * testsuite/tls_test.cc: Include "config.h".
8933         (t_last): Call t11_last.
8934         * testsuite/tls_test.h (t11, t11_last): Declare.
8935         * testsuite/tls_test_c.c: New file.
8936         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8937         * configure.ac: Check for OpenMP support.
8938         * configure, config.in, Makefile.in: Rebuild.
8939         * testsuite/Makefile.in: Rebuild.
8941 2008-04-16  Cary Coutant  <ccoutant@google.com>
8943         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8944         (Target_i386::tls_base_symbol_defined_): New field.
8945         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8946         (Target_i386::Scan::global): Likewise.
8947         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8948         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8949         (Target_x86_64::tls_base_symbol_defined_): New field.
8950         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8951         (Target_x86_64::Scan::global): Likewise.
8953 2008-04-16  Cary Coutant  <ccoutant@google.com>
8955         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8956         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8957         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8958         building shared libraries.
8959         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8960         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8961         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8962         * testsuite/Makefile.in: Rebuild.
8963         * testsuite/weak_undef.h: New file.
8964         * testsuite/weak_undef_file1.cc: Add extra test cases.
8965         * testsuite/weak_undef_file2.cc: Likewise.
8966         * testsuite/weak_undef_test.cc: Likewise.
8968 2008-04-16  David S. Miller  <davem@davemloft.net>
8970         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8971         Add issued_non_pic_error_ field.  Declare check_non_pic.
8972         (Target_sparc::Scan::check_non_pic): New function.
8973         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8974         (Target_sparc::Scan::global): Likewise.
8976         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8977         * configure: Rebuild.
8979         * options.h (DEFINE_enable): New macro.
8980         (new_dtags): New enable option.
8981         (initfirst, interpose, loadfltr, nodefaultlib,
8982         nodelete, nodlopen, nodump): New -z options.
8983         * layout.cc (Layout:finish_dynamic_section): If new
8984         dtags enabled, emit DT_RUNPATH.  Also, emit a
8985         DT_FLAGS_1 containing any specified -z flags.
8987 2008-04-16  Ian Lance Taylor  <iant@google.com>
8989         * copy-relocs.cc: New file.
8990         * copy-relocs.h: New file.
8991         * reloc.cc: Remove Copy_relocs code.
8992         * reloc.h: Likewise.
8993         * reloc-types.h (struct Reloc_types) [both versions]: Add
8994         get_reloc_addend_noerror.
8995         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8996         variants of add_global which take an addend which must be zero.
8997         * i386.cc: Include "copy-relocs.h".
8998         (class Target_i386): Change type of copy_relocs_ to variable,
8999         update initializer.
9000         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
9001         Change all callers.
9002         (Target_i386::do_finalize_sections): Change handling of
9003         copy_relocs_.
9004         * sparc.cc: Include "copy-relocs.h".
9005         (class Target_sparc): Change type of copy_relocs_ to variable,
9006         update initializer.
9007         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
9008         Change all callers.
9009         (Target_sparc::do_finalize_sections): Change handling of
9010         copy_relocs_.
9011         * x86_64.cc: Include "copy-relocs.h".
9012         (class Target_x86_64): Change type of copy_relocs_ to variable,
9013         update initializer.
9014         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
9015         class.  Change all callers.
9016         (Target_x86_64::do_finalize_sections): Change handling of
9017         copy_relocs_.
9018         * Makefile.am (CCFILES): Add copy-relocs.cc.
9019         (HFILES): Add copy-relocs.h.
9021         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
9023         * testsuite/script_test_4.sh: Permit leading zeroes.
9025 2008-04-15  Ian Lance Taylor  <iant@google.com>
9027         * script-sections.cc (Script_sections::create_segments): Use
9028         header_size_adjustment even when there is enough room for the
9029         headers.
9030         * testsuite/script_test_4.sh: New file.
9031         * testsuite/script_test_4.t: New file.
9032         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
9033         (check_DATA): Add script_test_4.stdout.
9034         (MOSTLYCLEANFILES): Likewise.
9035         (script_test_4): New target.
9036         (script_test_4.stdout): New target.
9037         * testsuite/Makefile.in: Rebuild.
9039         * sparc.cc: Add definitions for Output_data_plt_sparc class
9040         constants.
9042 2008-04-14  David S. Miller  <davem@davemloft.net>
9044         * sparc.cc: New file.
9045         * Makefile.am (TARGETSOURCES): Add sparc.cc
9046         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
9047         * configure.tgt: Document targ_extra_size and
9048         targ_extra_big_endian.  Add entries for sparc-* and
9049         sparc64-*.
9050         * configure.ac: Handle targ_extra_size and
9051         targ_extra_big_endian.
9052         * Makefile.in: Rebuild.
9053         * configure: Likewise.
9054         * po/POTFILES.in: Likewise.
9055         * po/gold.pot: Likewise.
9057 2008-04-14  Ian Lance Taylor  <iant@google.com>
9059         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
9060         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
9061         in the name/type/flags to section mapping.  Don't call
9062         allocate_output_section.
9063         (Layout::choose_output_section): Change parameter from adjust_name
9064         to is_input_section.  Don't permit input sections after sections
9065         are attached to segments.  Don't call allocate_output_section.
9066         (Layout::layout_eh_frame): Call update_flags_for_input_section,
9067         not write_enable_output_section.
9068         (Layout::make_output_section): Don't push to
9069         unattached_section_list_ nor call attach_to_segment.  Call
9070         attach_section_to_segment if sections are attached.
9071         (Layout::attach_sections_to_segments): New function.
9072         (Layout::attach_section_to_segment): New function.
9073         (Layout::attach_allocated_section_to_segment): Rename from
9074         attach_to_segment.  Remove flags parameter.
9075         (Layout::allocate_output_section): Remove function.
9076         (Layout::write_enable_output_section): Remove function.
9077         * layout.h (class Layout): Update for above changes.  Add new
9078         field sections_are_attached_.
9079         * output.h (Output_section::update_flags_for_input_section): New
9080         function.
9081         * output.cc (Output_section::add_input_section): Call
9082         update_flags_for_input_section.
9083         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
9085 2008-04-11  Cary Coutant  <ccoutant@google.com>
9087         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
9088         thought unnecessary.
9089         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
9091 2008-04-11  Ian Lance Taylor  <iant@google.com>
9093         * output.h (class Output_section_data): Remove inline definition
9094         of set_addralign.
9095         * output.cc (Output_section_data::set_addralign): New function.
9097 2008-04-11  Cary Coutant  <ccoutant@google.com>
9099         Add support for TLS descriptors for i386 and x86_64.
9100         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
9101         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
9102         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
9103         GOT_TYPE_TLS_DESC.
9104         (Target_i386::got_mod_index_entry): Remove unnecessary code.
9105         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
9106         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
9107         relocations.
9108         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
9109         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
9110         Fix problem with initial-exec relocations.
9111         (Target_i386::Relocate::relocate_tls): Likewise.
9112         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
9113         relaxation.
9114         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
9115         support for section-plus-offset dynamic table entries.
9116         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
9117         (Output_data_dynamic::Dynamic_entry): Add support for
9118         section-plus-offset dynamic table entries.
9119         (Output_data_dynamic::Classification): Likewise.
9120         (Output_data_dynamic::classification_): Renamed offset_.
9121         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
9122         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
9123         (Target_x86_64::make_plt_section): New function.
9124         (Target_x86_64::reserve_tlsdesc_entries): New function.
9125         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
9126         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
9127         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
9128         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
9129         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
9130         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
9131         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
9132         add extra PLT entry for TLS descriptors.
9133         (Output_data_plt_x86_64::got_): New field.
9134         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
9135         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
9136         fields.
9137         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
9138         descriptors.
9139         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
9140         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
9141         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
9142         R_386_TLS_DESC_CALL relocations.
9143         (Target_x86_64::Scan::global): Likewise.
9144         (Target_x86_64::do_finalize_sections): Add dynamic table entries
9145         for TLS descriptors.
9146         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
9147         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
9148         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
9149         GD-to-IE relaxation.
9150         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
9151         and TLS_DESCRIPTORS.
9152         * Makefile.in: Rebuild.
9153         * configure: Rebuild.
9154         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
9155         (tls_test_shared2.so): New target.
9156         (tls_shared_gd_to_ie_test_SOURCES): New variable.
9157         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
9158         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
9159         (tls_shared_gd_to_ie_test_LDADD): New variable.
9160         (tls_shared_gnu2_gd_to_ie_test): New target.
9161         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
9162         New targets.
9163         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
9164         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
9165         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
9166         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
9167         (tls_shared_gnu2_test): New target.
9168         (tls_test_gnu2_shared.so): New target.
9169         (tls_shared_gnu2_test_SOURCES): New variable.
9170         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
9171         (tls_shared_gnu2_test_LDFLAGS): New variable.
9172         (tls_shared_gnu2_test_LDADD): New variable.
9173         * testsuite/Makefile.in: Rebuild.
9174         * testsuite/Makefile.
9176 2008-04-11  Ian Lance Taylor  <iant@google.com>
9178         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
9179         justsyms.t.
9180         * testsuite/Makefile.in: Rebuild.
9182         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
9183         long.
9184         * testsuite/script_test_2.cc (main): Adjust test.
9186 2008-04-11  David S. Miller  <davem@davemloft.net>
9187             Ian Lance Taylor  <iant@google.com>
9189         * options.h (General_options): Add entries for '-Y' and
9190         '-relax'.
9191         * options.cc (General_options:finalize): If -Y was used, add those
9192         entries to the library path instead of the default "/lib" and
9193         "/usr/lib".
9195 2008-04-11  David S. Miller  <davem@davemloft.net>
9197         * testsuite/justsyms.t: Start at 0x100.
9198         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
9199         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
9200         long.
9201         * testsuite/script_test_2.cc: Adjust string and section length
9202         checks.
9204 2008-04-09  Ian Lance Taylor  <iant@google.com>
9206         PR gold/5996
9207         * script-sections.cc (Sections_element::allocate_to_segment): Add
9208         orphan parameter.
9209         (Output_section_definition::allocate_to_segment): Likewise.
9210         (Orphan_output_section::allocate_to_segment): Likewise.
9211         (Script_sections::attach_sections_using_phdrs_clause): Don't
9212         propagate non-PT_LOAD segments to orphan sections.
9213         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9214         readelf rather than objdump.
9215         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9216         .interp section and PT_INTERP segment are the same size.
9217         * testsuite/Makefile.in: Rebuild.
9219         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9220         aliases for symbols defined in the same object.
9221         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9222         (weak_alias_test_SOURCES): New variable.
9223         (weak_alias_test_DEPENDENCIES): New variable.
9224         (weak_alias_test_LDFLAGS): New variable.
9225         (weak_alias_test_LDADD): New variable.
9226         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9227         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9228         (weak_alias_test_3.o): New target.
9229         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9230         * testsuite/weak_alias_test_main.cc: New file.
9231         * testsuite/weak_alias_test_1.cc: New file.
9232         * testsuite/weak_alias_test_2.cc: New file.
9233         * testsuite/weak_alias_test_3.cc: New file.
9235 2008-04-08  Ian Lance Taylor  <iant@google.com>
9237         * options.h (class General_options): Add --noinhibit-exec option.
9238         * main.cc (main): Check --noinhibit-exec.
9240         * options.h (class General_options): Define --wrap as a special
9241         option.  Add wrap_symbols_ field.
9242         (General_options::any_wrap_symbols): New function.
9243         (General_options::is_wrap_symbol): New function.
9244         * options.cc (General_options::parse_wrap): New function.
9245         (General_options::General_options): Initialize wrap_symbols_.
9246         * symtab.cc (Symbol_table::wrap_symbol): New function.
9247         (Symbol_table::add_from_object): Handle --wrap.
9248         * symtab.h (class Symbol_table): Declare wrap_symbol.
9249         * target.h (Target::wrap_char): New function.
9250         (Target::Target_info): Add wrap_char field.
9251         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9252         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9253         * testsuite/testfile.cc (Target_test::test_target_info):
9254         Likewise.
9256         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9257         there is one.
9259         * layout.h (class Layout): Add added_eh_frame_data_ field.
9260         * layout.cc (Layout::Layout): Initialize new field.
9261         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9262         output section until we find a section we merged successfully.
9263         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9264         that the size be non-zero.
9266         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9267         qualifier.
9269 2008-04-08  Craig Silverstein  <csilvers@google.com>
9271         * configure.ac: Export new conditional variable HAVE_ZLIB.
9272         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9273         on HAVE_ZLIB.
9274         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9275         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9277 2008-04-07  Ian Lance Taylor  <iant@google.com>
9279         * version.cc (version_string): Set to "1.5".
9281         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9282         Add issued_non_pic_error_ field.  Declare check_non_pic.
9283         (Target_x86_64::Scan::check_non_pic): New function.
9284         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9285         (Target_x86_64::Scan::global): Likewise.
9287         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9288         addend parameter.  Change caller.  Handle merge sections.
9289         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9290         Address to Addend.  Don't add in the result of
9291         local_section_offset, pass down the addend and use the returned
9292         value.
9293         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9294         Update declarations of local_section_offset and symbol_value.
9295         * testsuite/two_file_test_1.cc (t18): New function.
9296         * testsuite/two_file_test_2.cc (f18): New function.
9297         * testsuite/two_file_test_main.cc (main): Call t18.
9298         * testsuite/two_file_test.h (t18, f18): Declare.
9300         * configure.ac: Don't test for objdump, c++filt, or readelf.
9301         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
9302         conditionals.
9303         (TEST_READELF): New variable.
9304         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
9305         (check_PROGRAMS): Add two_file_strip_test.
9306         (two_file_strip_test): New target.
9307         (check_PROGRAMS): Add two_file_same_shared_strip_test.
9308         (two_file_same_shared_strip_test_SOURCES): New variable.
9309         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
9310         (two_file_same_shared_strip_test_LDFLAGS): New variable.
9311         (two_file_same_shared_strip_test_LDADD): New variable.
9312         (two_file_shared_strip.so): New target.
9313         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
9314         (ver_test_5.syms, ver_test_7.syms): Likewise.
9315         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
9316         (strip_test_3.stdout): Use TEST_OBJDUMP.
9317         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9319 2008-04-04  Cary Coutant  <ccoutant@google.com>
9321         * symtab.h (Symbol::is_weak_undefined): New function.
9322         (Symbol::is_strong_undefined): New function.
9323         (Symbol::is_absolute): New function.
9324         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
9325         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
9326         absolute symbols.
9327         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
9328         (weak_undef_test): New target.
9329         * testsuite/Makefile.in: Rebuild.
9330         * testsuite/weak_undef_file1.cc: New file.
9331         * testsuite/weak_undef_file2.cc: New file.
9332         * testsuite/weak_undef_test.cc: New file.
9334 2008-04-03  Craig Silverstein  <csilvers@google.com>
9336         * compressed_output.h (class Output_compressed_section): Use
9337         unsigned buffer.
9338         * compressed_output.cc (zlib_compress): Use unsigned buffers,
9339         add zlib header.
9340         (zlib_compressed_suffix): Removed.
9341         (Output_compressed_section::set_final_data_size): Use unsigned
9342         buffers.
9343         * testsuite/Makefile.am (flagstest_compress_debug_sections):
9344         Fix linker invocation.
9345         (flagstest_o_specialfile_and_compress_debug_sections):
9346         Likewise.
9347         * testsuite/Makefile.in: Regenerated.
9349 2008-04-02  David S. Miller  <davem@davemloft.net>
9351         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
9352         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
9354 2008-04-02  Craig Silverstein  <csilvers@google.com>
9356         * TODO: New file.
9358 2008-04-02  Ian Lance Taylor  <iant@google.com>
9360         * fileread.cc (File_read::find_view): Add byteshift and vshifted
9361         parameters.  Update for new key type to views_.  Change all
9362         callers.
9363         (File_read::read): Adjust for byteshift in returned view.
9364         (File_read::add_view): New function, broken out of
9365         find_and_make_view.
9366         (File_read::make_view): New function, broken out of
9367         find_and_make_view.
9368         (File_read::find_or_make_view): Add offset and aligned
9369         parameters.  Rewrite accordingly.  Change all callers.
9370         (File_read::get_view): Add offset and aligned parameters.  Adjust
9371         for byteshift in return value.
9372         (File_read::get_lasting_view): Likewise.
9373         * fileread.h (class File_read): Update declarations.
9374         (class File_read::View): Add byteshift_ field.  Add byteshift to
9375         constructor.  Add byteshift method.
9376         * archive.h (Archive::clear_uncached_views): New function.
9377         (Archive::get_view): Add aligned parameter.  Change all callers.
9378         * object.h (Object::get_view): Add aligned parameter.  Change all
9379         callers.
9380         (Object::get_lasting_view): Likewise.
9382         * fileread.cc (File_read::release): Don't call clear_views if
9383         there are multiple objects.
9384         * fileread.h (File_read::clear_uncached_views): New function.
9385         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
9386         on the archive.
9388 2008-03-31  Cary Coutant  <ccoutant@google.com>
9390         Add thin archive support.
9391         * archive.cc (Archive::armagt): New const.
9392         (Archive::setup): Remove task parameter and calls to unlock.
9393         (Archive::unlock_nested_archives): New function.
9394         (Archive::read_header): Add nested_off parameter. Change
9395         all callers.
9396         (Archive::interpret_header): Likewise.
9397         (Archive::include_all_members): Change to handle thin
9398         archives.
9399         (Archive::include_member): Likewise.
9400         * archive.h (Archive::Archive): Add new parameters and
9401         initializers.
9402         (Archive::armagt): New const.
9403         (Archive::setup): Remove task parameter.
9404         (Archive::unlock_nested_archives): New function.
9405         (Archive::read_header): Add nested_off parameter.
9406         (Archive::interpret_header): Likewise.
9407         (Archive::Nested_archive_table): New typedef.
9408         (Archive::is_thin_archive_): New field.
9409         (Archive::nested_archives_): New field.
9410         (Archive::options_): New field.
9411         (Archive::dirpath_): New field.
9412         (Archive::task_): New field.
9413         * readsyms.cc (Read_symbols::do_read_symbols): Add check
9414         for thin archives.  Pass additional parameters to
9415         Archive::Archive.  Unlock the archive file after calling
9416         Archive::setup.
9418 2008-03-29  Ian Lance Taylor  <iant@google.com>
9420         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
9421         version symbol to be local.
9422         * testsuite/ver_test_4.sh: New file.
9423         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
9424         (check_DATA): Add ver_test_4.syms.
9425         (ver_test_4.syms): New target.
9426         * testsuite/Makefile.in: Rebuild.
9428         * output.cc
9429         (Output_section::Input_section_sort_entry::has_priority): New
9430         function.
9431         (Output_section::Input_section_sort_entry::match_file_name): New
9432         function.
9433         (Output_section::Input_section_sort_entry::match_section_name):
9434         Remove.
9435         (Output_section::Input_section_sort_entry::match_section_name_prefix):
9436         Remove.
9437         (Output_section::Input_section_sort_entry::match_section_file):
9438         Remove.
9439         (Output_section::Input_section_sort_compare::operator()): Rewrite
9440         using new Input_section_sort_entry functions.  Sort crtbegin and
9441         crtend first.  Sort sections with no priority before sections with
9442         a priority.
9443         * testsuite/initpri1.c (d3): Check j != 4.
9444         (cd5): New constructor/destructor function.
9445         (main): Check j != 2.
9447         * symtab.cc (Symbol_table::add_from_object): If we don't use the
9448         new symbol when resolving, don't call set_is_default.
9449         * testsuite/ver_test_7.cc: New file.
9450         * testsuite/ver_test_7.sh: New file.
9451         * testsuite/Makefile.am (ver_test_7.so): New target.
9452         (ver_test_7.o): New target.
9453         (check_SCRIPTS): Add ver_test_7.sh.
9454         (check_DATA): Add ver_test_7.syms.
9455         (ver_test_7.syms): New target.
9457 2008-03-28  Ian Lance Taylor  <iant@google.com>
9459         * layout.cc (Layout::layout): If we see an input section with a
9460         name that needs sorting, set the must_sort flag for the output
9461         section.
9462         (Layout::make_output_section): If the name of the output section
9463         indicates that it might require sorting, set the may_sort flag.
9464         * output.h (Output_section::may_sort_attached_input_sections): New
9465         function.
9466         (Output_section::set_may_sort_attached_input_sections): New
9467         function.
9468         (Output_section::must_sort_attached_input_sections): New
9469         function.
9470         (Output_section::set_must_sort_attached_input_sections): New
9471         function.
9472         (class Output_section): Declare Input_section_sort_entry.  Define
9473         Input_section_sort_compare.  Declare
9474         sort_attached_input_sections.  Add new fields:
9475         may_sort_attached_input_sections_,
9476         must_sort_attached_input_sections_,
9477         attached_input_sections_are_sorted_.
9478         * output.cc (Output_section::Output_section): Initialize new
9479         fields.
9480         (Output_section::add_input_section): Add an entry to
9481         input_sections_ if may_sort or must_sort are true.
9482         (Output_section::set_final_data_size): Call
9483         sort_attached_input_sections if necessary.
9484         (Output_section::Input_section_sort_entry): Define new class.
9485         (Output_section::Input_section_sort_compare::operator()): New
9486         function.
9487         (Output_section::sort_attached_input_sections): New function.
9488         * configure.ac: Check whether the compiler supports constructor
9489         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9490         * testsuite/initpri1.c: New file.
9491         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9492         CONSTRUCTOR_PRIORITY.
9493         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9494         (initpri1_LDFLAGS): New variable.
9495         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9497 2008-03-27  Ian Lance Taylor  <iant@google.com>
9499         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9500         * testsuite/common_test_1.c: New file.
9501         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9502         (common_test_1_SOURCES): New variable.
9503         (common_test_1_DEPENDENCIES): New variable.
9504         (common_test_1_LDFLAGS): New variable.
9506         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9507         and commons_ correctly when NAME/VERSION does not override
9508         NAME/NULL.
9509         * testsuite/ver_test_6.c: New file.
9510         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9511         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9512         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9514 2008-03-26  Ian Lance Taylor  <iant@google.com>
9516         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9517         of an undefined symbol from a version script.
9518         * testsuite/Makefile.am (ver_test_5.so): New target.
9519         (ver_test_5.o): New target.
9520         (check_SCRIPTS): Add ver_test_5.sh.
9521         (check_DATA): Add ver_test_5.syms.
9522         (ver_test_5.syms): New target.
9523         * testsuite/ver_test_5.cc: New file.
9524         * testsuite/ver_test_5.script: New file.
9525         * testsuite/ver_test_5.sh: New file.
9526         * Makefile.in, testsuite/Makefile.in: Rebuild.
9528         PR gold/5986
9529         Fix problems building gold with gcc 4.3.0.
9530         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9531         (gold_error_at_location, gold_warning_at_location): Use it.
9532         * configure.ac: Check whether we can compile and use a template
9533         function with a printf attribute.
9534         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9535         when jumping over bytes.
9536         * object.cc: Instantiate Object::read_section_data.
9537         * debug.h: Include <cstring>
9538         * dwarf_reader.cc: Include <algorithm>
9539         * main.cc: Include <cstring>.
9540         * options.cc: Include <cstring>.
9541         * output.cc: Include <cstring>.
9542         * script.cc: Include <cstring>.
9543         * script.h: Include <string>.
9544         * symtab.cc: Include <cstring> and <algorithm>.
9545         * target-select.cc: Include <cstring>.
9546         * version.cc: Include <string>.
9547         * testsuite/testmain.cc: Include <cstdlib>.
9548         * configure, config.in: Rebuild.
9550 2008-03-25  Ian Lance Taylor  <iant@google.com>
9552         * options.cc: Include "../bfd/bfdver.h".
9553         (options::help): Print bug reporting address.
9555         * version.cc (print_version): Adjust output for current value of
9556         BFD_VERSION_STRING.
9558         * NEWS: New file.
9560         * options.cc (options::help): Print list of supported targets.
9561         * target-select.h: Include <vector>.
9562         (class Target_selector): Make machine_, size_, and is_big_endian_
9563         fields const.  Add bfd_name_ and instantiated_target_ fields.
9564         (Target_selector::Target_selector): Add bfd_name parameter.
9565         (Target_selector::recognize): Make non-virtual, call
9566         do_recognize.
9567         (Target_selector::recognize_by_name): Make non-virtual, call
9568         do_recognize_by_name.
9569         (Target_selector::supported_names): New function.
9570         (Target_selector::bfd_name): New function.
9571         (Target_selector::do_instantiate_target): New pure virtual
9572         function.
9573         (Target_selector::do_recognize): New virtual function.
9574         (Target_selector::do_recognize_by_name): New virtual function.
9575         (Target_selector::instantiate_target): New private function.
9576         (supported_target_names): Declare.
9577         * target-select.cc (Target_selector::Target_selector): Update for
9578         new parameter and fields.
9579         (select_target_by_name): Check that the name matches before
9580         calling recognize_by_name.
9581         (supported_target_names): New function.
9582         * i386.cc (class Target_selector_i386): Update Target_selector
9583         constructor call.  Remove recognize and recognize_by_name.  Add
9584         do_instantiate_target.
9585         * x86_64.cc (class Target_selector_x86_64): Likewise.
9586         * testsuite/testfile.cc (class Target_selector_test): Update for
9587         changes to Target_selector.
9589         * README: Rewrite, with some notes on unsupported features.
9591 2008-03-24  Cary Coutant  <ccoutant@google.com>
9593         * i386.cc (Target_i386::Got_type): New enum declaration.
9594         (Target_i386::Scan::local): Updated callers of Output_data_got
9595         member functions.
9596         (Target_i386::Scan::global): Likewise.
9597         (Target_i386::Relocate::relocate): Likewise.
9598         (Target_i386::Relocate::relocate_tls): Likewise.
9599         * object.h (Got_offset_list): New class.
9600         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9601         (Sized_relobj::local_got_offset): Likewise.
9602         (Sized_relobj::set_local_got_offset): Likewise.
9603         (Sized_relobj::local_has_tls_got_offset): Removed.
9604         (Sized_relobj::local_tls_got_offset): Removed.
9605         (Sized_relobj::set_local_tls_got_offset): Removed.
9606         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9607         * output.cc (Output_data_got::add_global): Added got_type parameter.
9608         (Output_data_got::add_global_with_rel): Likewise.
9609         (Output_data_got::add_global_with_rela): Likewise.
9610         (Output_data_got::add_global_pair_with_rel): New function.
9611         (Output_data_got::add_global_pair_with_rela): New function.
9612         (Output_data_got::add_local): Added got_type parameter.
9613         (Output_data_got::add_local_with_rel): Likewise.
9614         (Output_data_got::add_local_with_rela): Likewise.
9615         (Output_data_got::add_local_pair_with_rel): New function.
9616         (Output_data_got::add_local_pair_with_rela): New function.
9617         (Output_data_got::add_global_tls): Removed.
9618         (Output_data_got::add_global_tls_with_rel): Removed.
9619         (Output_data_got::add_global_tls_with_rela): Removed.
9620         (Output_data_got::add_local_tls): Removed.
9621         (Output_data_got::add_local_tls_with_rel): Removed.
9622         (Output_data_got::add_local_tls_with_rela): Removed.
9623         * output.h (Output_data_got::add_global): Added got_type parameter.
9624         (Output_data_got::add_global_with_rel): Likewise.
9625         (Output_data_got::add_global_with_rela): Likewise.
9626         (Output_data_got::add_global_pair_with_rel): New function.
9627         (Output_data_got::add_global_pair_with_rela): New function.
9628         (Output_data_got::add_local): Added got_type parameter.
9629         (Output_data_got::add_local_with_rel): Likewise.
9630         (Output_data_got::add_local_with_rela): Likewise.
9631         (Output_data_got::add_local_pair_with_rel): New function.
9632         (Output_data_got::add_local_pair_with_rela): New function.
9633         (Output_data_got::add_global_tls): Removed.
9634         (Output_data_got::add_global_tls_with_rel): Removed.
9635         (Output_data_got::add_global_tls_with_rela): Removed.
9636         (Output_data_got::add_local_tls): Removed.
9637         (Output_data_got::add_local_tls_with_rel): Removed.
9638         (Output_data_got::add_local_tls_with_rela): Removed.
9639         * resolve.cc (Symbol::override_base_with_special): Removed
9640         reference to has_got_offset_ field.
9641         * symtab.cc (Symbol::init_fields): Replaced initialization
9642         of got_offset_ with got_offsets_.  Removed initialization
9643         of has_got_offset_
9644         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9645         (Symbol::got_offset): Likewise.
9646         (Symbol::set_got_offset): Likewise.
9647         (Symbol::has_tls_got_offset): Removed.
9648         (Symbol::tls_got_offset): Removed.
9649         (Symbol::set_tls_got_offset): Removed.
9650         (Symbol::got_offset_): Removed.
9651         (Symbol::tls_mod_got_offset_): Removed.
9652         (Symbol::tls_pair_got_offset_): Removed.
9653         (Symbol::got_offsets_): New field.
9654         (Symbol::has_got_offset): Removed.
9655         (Symbol::has_tls_mod_got_offset): Removed.
9656         (Symbol::has_tls_pair_got_offset): Removed.
9657         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9658         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9659         member functions.
9660         (Target_x86_64::Scan::global): Likewise.
9661         (Target_x86_64::Relocate::relocate): Likewise.
9662         (Target_x86_64::Relocate::relocate_tls): Likewise.
9664 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9666         * yyscript.y: Fix spelling error in comment.
9668 2008-03-24  Ian Lance Taylor  <iant@google.com>
9670         * options.h (class General_options): Define build_id option.
9671         * layout.h (class Layout): Declare write_build_id, create_note,
9672         create_build_id.  Add build_id_note_ member.
9673         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9674         "libiberty.h", "md5.h", "sha1.h".
9675         (Layout::Layout): Initialize eh_frame_data_,
9676         eh_frame_hdr_section_, and build_id_note_.
9677         (Layout::finalize): Call create_build_id.
9678         (Layout::create_note): New function, broken out of
9679         Layout::create_gold_note.
9680         (Layout::create_gold_note): Call create_note.
9681         (Layout::create_build_id): New function.
9682         (Layout::write_build_id): New function.
9683         (Close_task_runner::run): Call write_build_id.
9685         * x86_64.cc: Correct license to GPLv3.
9687 2008-03-23  Ian Lance Taylor  <iant@google.com>
9689         * options.cc: Include "demangle.h".
9690         (parse_optional_string): New function.
9691         (parse_long_option): Handle takes_optional_argument.
9692         (parse_short_option): Update dash_z initializer.  Handle
9693         takes_optional_argument.
9694         (General_options::General_options): Initialize do_demangle_.
9695         (General_options::finalize): Set do_demangle_.  Handle demangling
9696         style.
9697         * options.h (parse_optional_string): Declare.
9698         (struct One_option): Add optional_arg field.  Update constructor.
9699         Update call constructor calls.  Add takes_optional_argument
9700         function.
9701         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9702         (DEFINE_optional_string): Define.
9703         (General_options::demangle): Change from DEFINE_bool to
9704         DEFINE_optional_string.
9705         (General_options::no_demangle): New function.
9706         (General_options::do_demangle): New function.
9707         (General_options::set_do_demangle): New function.
9708         (General_options::execstack_status_): Move definition to end of
9709         class definition.
9710         (General_options::static_): Likewise.
9711         (General_options::do_demangle_): New field.
9712         * object.cc (big_endian>::get_symbol_location_info): Call
9713         Options::do_demangle, not Options::demangle.
9714         * symtab.cc (demangle): Likewise.
9716 2008-03-22  Ian Lance Taylor  <iant@google.com>
9718         * gold.h: Include <cstddef> and <sys/types.h>
9719         * options.h: Include <cstring>.
9721 2008-03-21  Ian Lance Taylor  <iant@google.com>
9723         * Added source code to GNU binutils.