Change x32 LIBPATH_SUFFIX to x32.
[binutils.git] / gold / ChangeLog
blob6bdc568fbcc7f057c594320ced9ba4cdb400b2b8
1 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3         * output.cc (Output_section::add_input_section): Delay fill
4         generation for section ordering.
6 2011-02-09  Ian Lance Taylor  <iant@google.com>
8         PR gold/12316
9         * object.h (class Sized_relobj): Remove clear_local_symbols.
10         * reloc.cc (Sized_relobj::do_relocate): Don't call
11         clear_local_symbols.
13 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
15         * plugin.cc (is_visible_from_outside): Return true for symbols
16         in the -u option.
18 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
20         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
21         filename.
23 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
25         * icf.h (is_section_foldable_candidate): Change type of parameter
26         to std::string.
27         * icf.cc (Icf::find_identical_sections): Change type of local variable
28         section_name to be std::string.
29         (is_function_ctor_or_dtor): Change type of parameter to std::string.
31 2011-01-25  Ian Lance Taylor  <iant@google.com>
33         * script.cc (script_add_extern): Rewrite to use
34         add_symbol_reference.
36 2011-01-25  Doug Kwan  <dougkwan@google.com>
38         * icf.cc (get_section_contents): Always lock section's object.
40 2011-01-24  Ian Lance Taylor  <iant@google.com>
42         * options.h (class General_options): Accept
43         --no-detect-odr-violations.
45 2011-01-24  Ian Lance Taylor  <iant@google.com>
47         * version.cc (version_string): Bump to 1.11.
49 2011-01-24  Ian Lance Taylor  <iant@google.com>
51         * plugin.cc (class Plugin_rescan): Define new class.
52         (Plugin_manager::claim_file): Set any_claimed_.
53         (Plugin_manager::save_archive): New function.
54         (Plugin_manager::save_input_group): New function.
55         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
56         necessary.
57         (Plugin_manager::new_undefined_symbol): New function.
58         (Plugin_manager::rescan): New function.
59         (Plugin_manager::rescannable_defines): New function.
60         (Plugin_manager::add_input_file): Set any_added_.
61         * plugin.h (class Plugin_manager): define new fields rescannable_,
62         undefined_symbols_, any_claimed_, and any_added_.  Declare
63         Plugin_rescan as friend.  Declare new functions.
64         (Plugin_manager::Rescannable): Define type.
65         (Plugin_manager::Rescannable_list): Define type.
66         (Plugin_manager::Undefined_symbol_list): Define type.
67         (Plugin_manager::Plugin_manager): Initialize new fields.
68         * archive.cc (Archive::defines_symbol): New function.
69         (Add_archive_symbols::run): Pass archive to plugins if any.
70         * archive.h (class Archive): Declare defines_symbol.
71         * readsyms.cc (Input_group::~Input_group): New function.
72         (Finish_group::run): Pass input_group to plugins if any.
73         * readsyms.h (class Input_group): Declare destructor.
74         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
75         any.
77 2011-01-10  Ian Lance Taylor  <iant@google.com>
79         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
80         section as relro.
81         (Layout::set_segment_offsets): Reset increase_relro before calling
82         set_section_addresses a second time.
84 2011-01-04  Cary Coutant  <ccoutant@google.com>
86         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
87         sections before NOBITS sections.
89 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
91         * version.cc (print_version): Update copyright to 2011.
93 2010-12-23  Cary Coutant  <ccoutant@google.com>
95         * output.h (Output_data_reloc::add_output_section): Pass OD instead
96         of OS to this->add.  Add OD parameter to second form of the function.
98 2010-12-20  Ian Lance Taylor  <iant@google.com>
100         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
101         second of two consecutive entries with same offset.
103 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
105         * testsuite/Makefile.am (ifuncmain2static_LDADD)
106         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
107         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
108         to avoid unneeded links against $(LDADD).
109         * testsuite/Makefile.in: Regenerate.
111 2010-12-15  Ian Lance Taylor  <iant@google.com>
113         PR gold/12324
114         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
115         for R_X86_64_32 and R_X86_64_PC32.
116         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
117         ver_matching_def_pic.o.
118         (ver_matching_def_pic.o): New target.
120 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
122         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
123         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
124         Move definition before File_read::View member definitions.
125         (File_read::View::~View): Initialize and hold lock before
126         updating current_mapped_bytes.
128 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
130         * dwarf_reader.cc: Remove outdated comment.
131         * gold-threads.cc: Fix typo in error message.
132         * archive.cc: Fix typos in comments.
133         * archive.h: Likewise.
134         * arm-reloc-property.cc: Likewise.
135         * arm-reloc-property.h: Likewise.
136         * arm-reloc.def: Likewise.
137         * arm.cc: Likewise.
138         * attributes.h: Likewise.
139         * cref.cc: Likewise.
140         * ehframe.cc: Likewise.
141         * fileread.h: Likewise.
142         * gold.h: Likewise.
143         * i386.cc: Likewise.
144         * icf.cc: Likewise.
145         * incremental.h: Likewise.
146         * int_encoding.cc: Likewise.
147         * layout.h: Likewise.
148         * main.cc: Likewise.
149         * merge.h: Likewise.
150         * object.cc: Likewise.
151         * object.h: Likewise.
152         * options.cc: Likewise.
153         * readsyms.cc: Likewise.
154         * reduced_debug_output.cc: Likewise.
155         * reloc.cc: Likewise.
156         * script-sections.cc: Likewise.
157         * sparc.cc: Likewise.
158         * symtab.h: Likewise.
159         * target-reloc.h: Likewise.
160         * target.cc: Likewise.
161         * target.h: Likewise.
162         * timer.cc: Likewise.
163         * timer.h: Likewise.
164         * x86_64.cc: Likewise.
166 2010-12-09  Cary Coutant  <ccoutant@google.com>
168         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
169         stack.
170         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
171         parameter; change all callers.
172         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
173         * options.h (warn_execstack): New option.
175 2010-12-07  Doug Kwan  <dougkwan@google.com>
177         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
178         like function call relocations.
180 2010-12-07  Ian Lance Taylor  <iant@google.com>
182         * archive.cc (Archive::get_elf_object_for_member): Permit
183         punconfigured to be NULL.
184         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
185         (Archive::include_member): Pass NULL to get_elf_object_for_member
186         if we searched for the archive and this is the first included
187         object.
189 2010-12-01  Ian Lance Taylor  <iant@google.com>
191         * dwarf_reader.h (class Sized_dwarf_line_info): Add
192         track_relocs_type_ field.
193         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
194         Set track_relocs_type_.
195         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
196         contents when using RELA relocs.
197         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
198         reloc_map_.
199         * reloc.cc (Track_relocs::next_addend): New function.
200         * reloc.h (class Track_relocs): Declare next_addend.
202 2010-12-01  Ian Lance Taylor  <iant@google.com>
204         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
205         virtual destructor.
207 2010-12-01  Ian Lance Taylor  <iant@google.com>
209         * README: Update compilers known to work and fail.
211 2010-11-23  Matthias Klose  <doko@ubuntu.com>
213         * configure.in: For --enable-gold, handle value `default' instead of
214         `both*'.  Always install ld as ld.bfd, install as ld if gold is
215         not the default.
216         * configure: Regenerate.
218 2010-11-18  Doug Kwan  <dougkwan@google.com>
220         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
221         and right_alignment to be zero.  Store result alignment only if it is
222         greater than existing alignment.
224 2010-11-16  Cary Coutant  <ccoutant@google.com>
226         PR gold/12220
227         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
228         Check for ".zdebug_line".
230 2010-11-16  Doug Kwan  <dougkwan@google.com>
231             Cary Coutant  <ccoutant@google.com>
233         * output.h (Output_segment::set_section_addresses): Pass increase_relro
234         by reference; adjust all callers.
235         * output.cc (Output_segment::set_section_addresses): Adjust references
236         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
237         list is empty.
238         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
239         end at page boundary.
241 2010-11-16  Cary Coutant  <ccoutant@google.com>
243         PR gold/12220
244         * layout.cc (Layout::choose_output_section): Transform names of
245         compressed sections even when using a script with a SECTIONS clause.
246         (Layout::output_section_name): Remove code to transform
247         compressed debug section names.
248         * output.cc (Output_section::add_input_section): Use uncompressed
249         section size when tracking input sections.
251 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
253         * symtab.h (Symbol::NON_PIC_REF): Remove.
254         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
255         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
256         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
257         (Symbol::use_plt_offset): Take a flags argument and pass it
258         directly to needs_dynamic_reloc.  Restrict check for undefined
259         weak symbols to function calls.
260         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
261         (Target_arm::Scan::global): Use it.
262         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
263         (Target_arm::Relocate::relocate): Likewise.
264         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
265         parameter with an r_type parameter.  Use get_reference_flags
266         to get the flags.
267         (Target_arm::Relocate::relocate): Update accordingly.
268         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
269         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
270         (Target_i386::Scan::global): Likewise.
271         (Target_i386::Relocate::relocate): Likewise.
272         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
273         parameter with an r_type parameter.  Use get_reference_flags
274         to get the flags.
275         (Target_i386::Relocate::relocate): Update accordingly.
276         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
277         (Target_powerpc::Scan::global): Use it.
278         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
279         (Target_powerpc::Relocate::relocate): Likewise.
280         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
281         (Target_sparc::Scan::global): Use it.
282         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
283         (Target_sparc::Relocate::relocate): Likewise.
284         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
285         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
286         (Target_x86_64::Scan::global): Likewise.
287         (Target_x86_64::Relocate::relocate): Likewise.
289 2010-11-08  Doug Kwan  <dougkwan@google.com>
290             Cary Coutant  <ccoutant@google.com>
292         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
293         (Arm_exidx_merge_section::section_contents_): New data member.
294         (Arm_input_section::Arm_input_section): Initialize original_contents_.
295         (Arm_input_section::~Arm_input_section): De-allocate memory.
296         (Arm_input_section::original_contents_): New data member.       
297         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
298         in parameters instead of calling Object::section_contents without
299         locking.
300         (Arm_output_section::group_section): New parameter TASK.  Pass it
301         to callees that need locking objects.
302         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
303         to lock EXIDX input sections.  Fix a formatting issue.  Call
304         Arm_exidx_merged_section::build_contents to create merged section
305         contents.
306         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
307         to lock object of stub table owner.
308         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
309         TEXT_SIZE to initialize data member TEXT_SIZE_.
310         (Arm_exidx_input_section::addralign): Fix typo in comment.
311         (Arm_exidx_input_section::text_size): New method.
312         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
313         that require locking objects.  Lock objects before scanning for stubs
314         and updating local symbols.
315         (Arm_input_section<big_endian>::init): Copy contents of original
316         input section.
317         (Arm_input_section<big_endian>::do_write): Use saved contents of
318         original input section instead of calling Object::section_contents
319         without locking.
320         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
321         size without calling Object::section_size().
322         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
323         for size.  Allocate a buffer for merged EXIDX entries.
324         (Arm_exidx_merged_section::build_contents): New method.
325         (Arm_exidx_merged_section::do_write): Move merge section contents
326         building code to Arm_exidx_merged_section::build_contetns.  Write
327         out contetns in buffer instead of building it on the fly.
328         (Arm_relobj::make_exidx_input_section): Also pass text section size
329         to Arm_exidx_input_section constructor.
330         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
331         (Arm_dynobj::do_read_symbols): Fix memory leak.
332         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
333         * target.h: (class Task): Add forward declaration.
334         (Target::relax): Add new parameter TASK and pass it to
335         Target::do_relax().
336         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
338 2010-11-05  Cary Coutant  <ccoutant@google.com>
340         PR gold/10708
341         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
342         object when reading from the file.
343         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
344         second layout pass.
345         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
346         when reading section contents.
347         (get_section_contents): Likewise.
348         (icf::find_identical_sections): Likewise.
349         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
350         object when reading from the file.
351         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
352         the object when doing deferred section layout.
354 2010-11-03  Nick Clifton  <nickc@redhat.com>
356         PR gold/12001
357         * script.h (class Symbol_assignment: name): New member.  Returns
358         the name of the symbol.
359         * scrfipt.cc (Script_options::is_pending_assignment): New member.
360         Returns true if the given symbol name is on the list of
361         assignments wating to be processed.
362         * archive.cc (should_incldue_member): If the symbol is undefined,
363         check to see if it is on the list of symbols pending assignment.
365 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
367         * script-sections.cc (Script_sections::find_memory_region): Check
368         for a NULL output section pointer.
370 2010-10-29  Doug Kwan  <dougkwan@google.com>
372         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
373         Output_section::add_relaxed_input_section.
374         * output.cc (Output_section::add_relaxed_input_section): Add new
375         arguments LAYOUT and NAME.  Set section order index.
376         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
377         Copy section order index.
378         * output.h (Output_section::add_relaxed_input_section): Add new
379         arguments LAYOUT and NAME.
381 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
383         * testsuite/Makefile.am: Move gcctestdir/ld rule to
384         NATIVE_OR_CROSS_LINKER.
385         * testsuite/Makefile.in: Regenerate.
387 2010-10-20  Doug Kwan  <dougkwan@google.com>
389         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
390         without SHF_LINK_ORDER flags.
391         * layout.cc (Layout::choose_output_section): Do not filter
392         SHF_LINK_ORDER flag in a relocatable link.
394 2010-10-17  Cary Coutant  <ccoutant@google.com>
396         * output.h (Output_segment::set_section_addresses): Change function
397         signature.  Update all callers.
398         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
399         sections.
400         (Output_segment::set_section_addresses): Align after last TLS
401         section.  Add padding before last relro section instead of after.
403 2010-10-17  Doug Kwan  <dougkwan@google.com>
405         * gold/arm.cc (Target_arm::got_section): Use correct order and set
406         GOT output section to be writable.
408 2010-10-14  Cary Coutant  <ccoutant@google.com>
410         * debug.h (DEBUG_INCREMENTAL): New flag.
411         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
412         * gold.cc (queue_initial_tasks): Check parameters for incremental link
413         mode.
414         * incremental.cc (report_command_line): Ignore all forms of
415         --incremental.
416         * layout.cc (Layout::Layout): Check parameters for incremental link
417         mode.
418         * options.cc (General_options::parse_incremental): New function.
419         (General_options::parse_no_incremental): New function.
420         (General_options::parse_incremental_full): New function.
421         (General_options::parse_incremental_update): New function.
422         (General_options::incremental_mode_): New data member.
423         (General_options::finalize): Check incremental_mode_.
424         * options.h (General_options): Update help text for --incremental.
425         Add --no-incremental, --incremental-full, --incremental-update.
426         (General_options::Incremental_mode): New enum type.
427         (General_options::incremental_mode): New function.
428         (General_options::incremental_mode_): New data member.
429         * parameters.cc (Parameters::incremental_mode_): New data member.
430         (Parameters::set_options): Set incremental_mode_.
431         (Parameters::set_incremental_full): New function.
432         (Parameters::incremental): New function.
433         (Parameters::incremental_update): New function.
434         (set_parameters_incremental_full): New function.
435         * parameters.h (Parameters::set_incremental_full): New function.
436         (Parameters::incremental): New function.
437         (Parameters::incremental_update): New function.
438         (Parameters::incremental_mode_): New data member.
439         (set_parameters_incremental_full): New function.
440         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
441         incremental link mode.
442         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
443         (Sized_relobj::do_relocate_sections): Likewise.
444         * testsuite/Makefile.am (incremental_test): Use --incremental-full
445         option.
446         * testsuite/Makefile.in: Regenerate.
447         * testsuite/incremental_test.sh: Filter all forms of --incremental.
449 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
451         * script-sections.h (class Script_sections): Make
452         Sections_elements typedef public.
453         * script-sections.cc (class Sort_output_sections): Add elements_
454         field.  Add constructor which sets it; change all callers.
455         (Sort_output_sections::is_before): New function.
456         (Sort_output_sections::operator()): Call is_before.
457         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
458         conditional.
459         * testsuite/script_test_10.sh: New test. Test script section
460         order.
461         * testsuite/script_test_10.t: Likewise.
462         * testsuite/script_test_10.s: Likewise.
463         * testsuite/Makefile.am: Wrap the cross linker tests and the
464         common tests into NATIVE_OR_CROSS_LINKER.
465         (check_SCRIPTS): Add script_test_10.sh.
466         (check_DATA): Add script_test_10.stdout.
467         (script_test_10.o, script_test_10): New targets.
468         (script_test_10.stdout): New target.
469         * configure, testsuite/Makefile.in: Regenerate.
471 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
473         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
474         error for the deprecated relocations.
475         (Target_arm::Scan::global): Likewise.
476         (Target_arm::Relocate::relocate): Likewise.
478 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
480         * fileread.cc (Input_file::find_file): Initialize *found_name
481         and *namep when using the fallback search for case 4.
483 2010-10-11  Cary Coutant  <ccoutant@google.com>
485         * options.h (class General_options): Redefine -z lazy as an alias for
486         the negation of -z now.
488 2010-10-11  Ian Lance Taylor  <iant@google.com>
490         * resolve.cc (symbol_to_bits): Report the value of the unsupported
491         binding.
493 2010-10-06  Nick Clifton  <nickc@redhat.com>
495         * script-sections.cc(class Memory_region): Remove
496         current_lma_offset_ field.  Rename current_vma_offset_ to
497         current_offset_.  Add last_section_ field.
498         (Memory_region::get_current_vma_address): Rename to
499         get_current_address.
500         (Memory_region::get_current_lma_address): Delete.
501         (Memory_region::increment_vma_offset): Rename to
502         increment_offset.
503         (Memory_region::increment_lma_offset): Delete.
504         (Memory_region::attributes_compatible): New method.  Returns
505         true if the provided section is compatible with the region.
506         (Memory_region::get_last_section): New method.  Returns the last
507         section to use the region.
508         (Memory_region::set_last_section): New method.  Stores the last
509         section to use the region.
510         (Script_sections::block_in_region): New method.  Returns true if
511         a block of memory is contained within a region.
512         (Script_sections::find_memory_region): New method.  Locates a
513         memory region to be used to set a VMA or LMA address.
514         (Output_section_definition::set_section_addresses): Add code to
515         check for addresses set by memory regions.
516         (Output_segment::set_section_addresses): Remove memory region
517         walking code.
518         (Script_sections::create_segment): Add a warning if a header
519         segment is created outside of any region.
520         * script-sections.h (class Script_sections): Add prototypes for
521         find_memory_region and block_in_region methods.
522         * testsuite/memory_test.s: Use .long instead of .word.
523         * testsuite/memory_test.t: Add some more output sections.
524         * testsuite/memory_test.sh: Update expected output.
526 2010-10-02  Doug Kwan  <dougkwan@google.com>
528         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
529         defintion to symtab.h
530         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
531         declaration to defintion.
533 2010-10-01  Nick Clifton  <nickc@redhat.com>
535         * expression.cc (eval): Replace dummy argument with NULL.
536         (eval_maybe_dot): Check for a NULL result section pointer.
537         (Symbol_expression::value): Likewise.
538         (Dot_expression::value): Likewise.
539         (BINARY_EXPRESSION): Likewise.
540         (Max_expression::value): Likewise.
541         (Min_expression::value): Likewise.
542         (Absolute_expression::value): Likewise.
543         (Addr_expression::value_from_output_section): Likewise.
544         (Loaddddr_expression::value_from_output_section): Likewise.
545         (Segment_start_expression::value): Likewise.
546         * script-sections.cc
547         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
548         argument with NULL.
549         (Sections_elememt_dot_assignment::set_section_addresses):
550         Likewise.
551         (Output_data_expression::do_write_to_buffer): Likewise.
552         (Output_section_definition::finalize_symbols): Likewise.
553         (Output_section_definition::set_section_addresses): Likewise.
555 2010-09-30  Doug Kwan  <dougkwan@google.com>
557         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
559 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
561         * target.h (Target::can_icf_inline_merge_sections): New virtual
562         function.
563         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
564         virtual function.
565         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
566         virtual function.
567         * icf.cc (get_section_contents): Inline merge sections only when
568         target allows it.
570 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
572         * configure: Regenerate.
574 2010-09-17  Ian Lance Taylor  <iant@google.com>
576         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
577         * testsuite/Makefile.am (memory_test.o): New target.
578         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
579         memory_test.t.
580         * testsuite/Makefile.in: Rebuild.
582 2010-09-17  Doug Kwan  <dougkwan@google.com>
584         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
585         defintion if relocation uses GOT entries of the symbol.
586         * testsuite/icf_safe_test.sh: Fix test.
587         * testsuite/icf_safe_so_test.sh: Fix test.
589 2010-09-16  Cary Coutant  <ccoutant@google.com>
591         * script_sections.cc (class Memory_region): Remove "NULL" from
592         vector initializations.
594 2010-09-15  Cary Coutant  <ccoutant@google.com>
596         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
597         Resolve forwarding symbols.
599 2010-09-15  Doug Kwan  <dougkwan@google.com>
601         * gold/testsuite/script_test_3.t: Add ARM special sections.
602         * gold/testsuite/script_test_4.t: Same.
603         * gold/testsuite/script_test_5.t: Same.
604         * gold/testsuite/script_test_6.t: Same.
605         * gold/testsuite/script_test_7.t: Same.
606         * gold/testsuite/script_test_7.t: Same.
607         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
609 2010-09-14  Cary Coutant  <ccoutant@google.com>
611         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
612         (Target_x86_64::Relocate::relocate_tls): Replace check for
613         saw_tls_block_reloc_ with test for executable section.
615 2010-09-12  Cary Coutant  <ccoutant@google.com>
617         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
618         position-independent executables to shared libraries need dynamic
619         relocations.
620         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
621         position-independent executables.
622         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
623         * testsuite/Makefile.in: Regenerate.
625 2010-09-10  Nick Clifton  <nickc@redhat.com>
627         PR gold/11997
628         * testsuite/memory_test.t: Discard any sections that are not
629         needed.
631 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
633         PR gold/11996
634         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
635         "This::" to work around a bug in gcc 4.2.
637         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
639 2010-09-09  Rafael Espindola  <espindola@google.com>
641         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
642         sections with different PF_X flags in the same segment.
643         (Layout::find_first_load_seg): Search all segments to find the first
644         one.
645         * options.h (rosegment): New.
647 2010-09-08  Rafael Espindola  <espindola@google.com>
649         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
651 2010-09-08  Doug Kwan  <dougkwan@google.com>
653         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
654         (Arm_relobj::do_relocate_sections): Add new parameter for output
655         file to match the parent.
656         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
657         of local symbols instead of input values.  Update code to track
658         changes in gold::relocate_section.
659         * object.cc (Sized_relobj::compute_final_local_value): New methods.
660         (Sized_relobj::compute_final_local_value_internal): New methods.
661         (Sized_relobj::do_finalize_local_symbols): Move code from loop
662         body into private version of Sized_relobj::compute_final_local_value.
663         Call the inline method.
664         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
665         merged symbol value if there is one.
666         (Symbol_value::has_output_value): New method defintiion.
667         (Sized_relobj::Compute_final_local_value_status): New enum type.
668         (Sized_relobj::compute_final_local_value): New methods.
669         (Sized_relobj::compute_final_local_value_internal): New methods.
670         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
671         and arm_cortex_a8.sh.
672         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
673         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
674         New tests.
675         * Makefile.in: Regenerate.
676         * testsuite/arm_bl_out_of_range.s: Update test.
677         * testsuite/thumb_bl_out_of_range.s: Ditto.
678         * testsuite/thumb_blx_out_of_range.s: Ditto.
679         * testsuite/arm_branch_out_of_range.sh: New file.
680         * testsuite/arm_cortex_a8.sh: Ditto.
681         * testsuite/arm_cortex_a8_b.s: Ditto.
682         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
683         * testsuite/arm_cortex_a8_b_local.s: Ditto.
684         * testsuite/arm_cortex_a8_bl.s: Ditto.
685         * testsuite/arm_cortex_a8_blx.s: Ditto.
686         * testsuite/arm_cortex_a8_local.s: Ditto.
687         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
688         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
690 2010-09-08  Rafael Espindola  <espindola@google.com>
692         * Makefile.am (memory_test.stdout): Run readelf with -W.
693         * Makefile.in: Regenerate.
694         * testsuite/memory_test.sh: Make the regexps accept both 32 and
695         64 bit output.
697 2010-09-08  Rafael Espindola  <espindola@google.com>
699         * script-sections.cc (Script_sections::add_memory_region): Convert
700         field precision to int.
701         * script.cc (script_set_section_region, script_set_section_region):
702         Convert field precision to int.
704 2010-09-08  Rafael Espindola  <espindola@google.com>
706         * arm.cc (do_finalize_sections): Create the __exidx_start and
707         __exdix_end symbols even when the section is missing.
709 2010-09-08  Nick Clifton  <nickc@redhat.com>
711         * README: Remove claim that MEMORY is not supported.
712         * expression.cc (script_exp_function_origin)
713         (script_exp_function_length): Move from here to ...
714         * script.cc: ... here.
715         (script_set_section_region, script_add_memory)
716         (script_parse_memory_attr, script_include_directive): New
717         functions.
718         * script-sections.cc
719         (class Memory_region): New class.
720         (class Output_section_definition): Add set_memory_region,
721         set_section_vma, set_section_lma and get_section_name methods.
722         (class Script_Sections): Add add_memory_region,
723         find_memory_region, find_memory_region_origin,
724         find_memory_region_length and set_memory_region methods.
725         Have set_section_addresses method walk the list of set memory
726         regions.
727         Extend the print methos to display memory regions.
728         * script-sections.h: Add prototypes for new methods.
729         Add enum for MEMORY region attributes.
730         * yyscript.y: Add support for parsing MEMORY regions.
731         * script-c.h: Add prototypes for new functions.
732         * testsuite/Makefile.am: Add test of MEMORY region functionality.
733         * testsuite/Makefile.in: Regenerate.
734         * testsuite/memory_test.sh: New script.
735         * testsuite/memory_test.s: New assembler source file.
736         * testsuite/memory_test.t: New linker script.
738 2010-08-27  Doug Kwan  <dougkwan@google.com>
740         * gold/resolve.cc (Symbol_table::should_override): Let a weak
741         reference override an existing dynamic weak reference.
742         * testsuite/Makefile.am: Add new test dyn_weak_ref.
743         * testsuite/Makefile.in: Regenerate.
744         * testsuite/dyn_weak_ref.sh: New file.
745         * testsuite/dyn_weak_ref_1.c: Ditto.
746         * testsuite/dyn_weak_ref_2.c: Ditto.
748 2010-08-27  Ian Lance Taylor  <iant@google.com>
750         * incremental.h (class Incremental_input_entry): Add virtual
751         destructor.
753 2010-08-27  Ian Lance Taylor  <iant@google.com>
755         * testsuite/start_lib_test_3.c: Mark t3 as used.
757 2010-08-27  Nick Clifton  <nickc@redhat.com>
759         * options.cc (version_script): Fix small typo in previous
760         whitespace tidyup.
762 2010-08-25  Nick Clifton  <nickc@redhat.com>
764         * archive.cc: Formatting fixes: Remove whitespace between
765         typename and following asterisk.  Remove whitespace between
766         function name and opening parenthesis.
767         * archive.h: Likewise.
768         * arm.cc: Likewise.
769         * attributes.cc: Likewise.
770         * attributes.h: Likewise.
771         * common.cc: Likewise.
772         * copy-relocs.cc: Likewise.
773         * dirsearch.h: Likewise.
774         * dynobj.cc: Likewise.
775         * ehframe.cc: Likewise.
776         * ehframe.h: Likewise.
777         * expression.cc: Likewise.
778         * fileread.cc: Likewise.
779         * fileread.h: Likewise.
780         * gc.h: Likewise.
781         * gold-threads.cc: Likewise.
782         * gold.cc: Likewise.
783         * i386.cc: Likewise.
784         * icf.h: Likewise.
785         * incremental-dump.cc: Likewise.
786         * incremental.cc: Likewise.
787         * layout.cc: Likewise.
788         * layout.h: Likewise.
789         * main.cc: Likewise.
790         * merge.cc: Likewise.
791         * merge.h: Likewise.
792         * object.cc: Likewise.
793         * object.h: Likewise.
794         * options.cc: Likewise.
795         * options.h: Likewise.
796         * output.cc: Likewise.
797         * output.h: Likewise.
798         * plugin.cc: Likewise.
799         * plugin.h: Likewise.
800         * powerpc.cc: Likewise.
801         * reloc.cc: Likewise.
802         * script-c.h: Likewise.
803         * script-sections.cc: Likewise.
804         * script.cc: Likewise.
805         * stringpool.cc: Likewise.
806         * symtab.cc: Likewise.
807         * symtab.h: Likewise.
808         * target.cc: Likewise.
809         * timer.cc: Likewise.
810         * timer.h: Likewise.
811         * version.cc: Likewise.
812         * x86_64.cc: Likewise.
814 2010-08-24  Nick Clifton  <nickc@redhat.com>
816         PR 11899
817         * layout.cc (segment_precedes): Sort segments by their physical
818         addresses, if they have been set.
820 2010-08-23  Cary Coutant  <ccoutant@google.com>
822         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
823         symbols data.
824         (Lib_group::include_member): Unlock object after deleting its
825         symbols data.
826         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
827         the bug fixed here.
829 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
830             Cary Coutant  <ccoutant@google.com>
832         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
833         constructor, and set_blocker.
834         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
835         readsyms_blocker_.
836         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
837         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
838         * testsuite/Makefile.am (start_lib_test): New test case.
839         * testsuite/Makefile.in: Regenerate.
840         * testsuite/start_lib_test_main.c: New file.
841         * testsuite/start_lib_test_1.c: New file.
842         * testsuite/start_lib_test_2.c: New file.
843         * testsuite/start_lib_test_3.c: New file.
845 2010-08-19  Ian Lance Taylor  <iant@google.com>
847         * Makefile.in: Rebuild with automake 1.11.1.
848         * aclocal.m4: Likewise.
849         * testsuite/Makefile.in: Likewise.
851 2010-08-19  Ian Lance Taylor  <iant@google.com>
853         PR 10893
854         * i386.cc (class Output_data_plt_i386): Update declarations.
855         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
856         local_ifuncs_ fields.
857         (Target_i386::do_plt_section_for_global): New function.
858         (Target_i386::do_plt_section_for_local): New function.
859         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
860         parameter; change all callers.  Initialize global_ifuncs_ and
861         local_ifuncs_.  If doing a static link define __rel_iplt_start and
862         __rel_iplt_end.
863         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
864         (Output_data_plt_i386::add_local_ifunc_entry): New function.
865         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
866         symbols.
867         (Target_i386::make_plt_section): New function, broken out of
868         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
869         (Target_i386::make_plt_entry): Call make_plt_section.
870         (Target_i386::make_local_ifunc_plt_entry): New function.
871         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
872         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
873         R_386_IRELATIVE to switch.
874         (Target_i386::Scan::global): Likewise.
875         (Target_i386::Relocate::relocate): Likewise.
876         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
877         switch.
878         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
879         (Target_x86_64::do_plt_section_for_global): New function.
880         (Target_x86_64::do_plt_section_for_local): New function.
881         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
882         parameter; change all callers.  If doing a static link define
883         __rela_iplt_start and __rela_iplt_end.
884         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
885         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
886         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
887         to point to .plt.
888         (Target_x86_64::make_local_ifunc_plt_entry): New function.
889         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
890         switch.
891         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
892         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
893         R_X86_64_IRELATIVE to switch.
894         (Target_x86_64::Scan::global): Likewise.
895         (Target_x86_64::Relocate::relocate): Likewise.
896         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
897         switch.
898         * target.h (class Target): Add plt_section_for_global and
899         plt_section_for_local functions.  Add do_plt_section_for_global
900         and do_plt_section_for_local virtual functions.
901         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
902         clarifying comments.
903         (Symbol::use_plt_offset): Handle IFUNC symbol.
904         * object.cc (Sized_relobj::Sized_relobj): Initialize
905         local_plt_offsets_.
906         (Sized_relobj::local_has_plt_offset): New function.
907         (Sized_relobj::local_plt_offset): New function.
908         (Sized_relobj::set_local_plt_offset): New function.
909         (Sized_relobj::do_count): Handle IFUNC symbol.
910         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
911         a bit away from input_shndx_ field.  Add set_is_func_symbol and
912         is_ifunc_symbol functions.
913         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
914         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
915         local_plt_offsets_ field.
916         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
917         * output.h (class Output_section_data): Add non-const
918         output_section function.
919         (class Output_data_got): Update declarations.
920         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
921         Add use_plt_offset parameter to global and local constructors.
922         Change all callers.  Change local_sym_index_ field to 31 bits.
923         Change GSYM_CODE and CONSTANT_CODE accordingly.
924         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
925         doing a static link don't set sh_link field.
926         (Output_data_got::Got_entry::write): Use PLT offset if
927         appropriate.
928         (Output_data_got::add_global_plt): New function.
929         (Output_data_got::add_local_plt): New function.
930         * target-reloc.h (relocate_section): Handle IFUNC symbol.
931         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
932         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
933         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
934         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
935         IFUNC conditional.
936         * testsuite/ifunc-sel.h: New file.
937         * testsuite/ifuncmain1.c: New file.
938         * testsuite/ifuncmain1vis.c: New file.
939         * testsuite/ifuncmod1.c: New file.
940         * testsuite/ifuncdep2.c: New file.
941         * testsuite/ifuncmain2.c: New file.
942         * testsuite/ifuncmain3.c: New file.
943         * testsuite/ifuncmod3.c: New file.
944         * testsuite/ifuncmain4.c: New file.
945         * testsuite/ifuncmain5.c: New file.
946         * testsuite/ifuncmod5.c: New file.
947         * testsuite/ifuncmain6pie.c: New file.
948         * testsuite/ifuncmod6.c: New file.
949         * testsuite/ifuncmain7.c: New file.
950         * configure, testsuite/Makefile.in: Rebuild.
952 2010-08-18  Ian Lance Taylor  <iant@google.com>
954         * incremental.cc
955         (Output_section_incremental_inputs::write_input_files): Add cast
956         to avoid signed/unsigned comparison warning.
957         (Output_section_incremental_inputs::write_info_blocks): Likewise.
959 2010-08-12  Cary Coutant  <ccoutant@google.com>
961         * common.cc (Sort_commons::operator()): Remove unnecessary code.
963 2010-08-13  Ian Lance Taylor  <iant@google.com>
965         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
967 2010-08-12  Cary Coutant  <ccoutant@google.com>
968             Doug Kwan  <dougkwan@google.com>
970         * resolve.cc (Symbol_table::should_override): When a weak dynamic
971         defintion overrides non-weak undef, remember that the original undef
972         is not weak.
973         * symtab.cc (Symbol_table::sized_write_global): For undef without
974         an original weak binding, set binding to global in output.
975         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
976         * testsuite/Makefile.in: Regenerate.
977         * testsuite/strong_ref_weak_def.sh: New file.
978         * testsuite/strong_ref_weak_def_1.c: Ditto.
979         * testsuite/strong_ref_weak_def_2.c: Ditto.
981 2010-08-12  Cary Coutant  <ccoutant@google.com>
983         * testsuite/incremental_test.sh: Rewrite.
984         * testsuite/incremental_test_1.c: Rewrite.
985         * testsuite/incremental_test_2.c: Rewrite.
987 2010-08-12  Cary Coutant  <ccoutant@google.com>
989         * arm.cc (Target_arm::got_size): Add const.
990         (Target_arm::got_entry_count): New function.
991         (Target_arm::plt_entry_count): New function.
992         (Target_arm::first_plt_entry_offset): New function.
993         (Target_arm::plt_entry_size): New function.
994         (Output_data_plt_arm::entry_count): New function.
995         (Output_data_plt_arm::first_plt_entry_offset): New function.
996         (Output_data_plt_arm::get_plt_entry_size): New function.
997         * i386.cc (Target_i386::got_size): Add const.
998         (Target_i386::got_entry_count): New function.
999         (Target_i386::plt_entry_count): New function.
1000         (Target_i386::first_plt_entry_offset): New function.
1001         (Target_i386::plt_entry_size): New function.
1002         (Output_data_plt_i386::entry_count): New function.
1003         (Output_data_plt_i386::first_plt_entry_offset): New function.
1004         (Output_data_plt_i386::get_plt_entry_size): New function.
1005         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
1006         find_incremental_inputs_sections.  Dump incremental_got_plt section.
1007         * incremental.cc: Include target.h.
1008         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
1009         parameter.  Adjust all callers.  Find incremental_got_plt section.
1010         (Incremental_inputs::create_data_sections): Create incremental_got_plt
1011         section.
1012         (Output_section_incremental_inputs::set_final_data_size): Calculate
1013         size of incremental_got_plt section.
1014         (Output_section_incremental_inputs::do_write): Write the
1015         incremental_got_plt section.
1016         (Got_plt_view_info): New struct.
1017         (Local_got_offset_visitor): New class.
1018         (Global_got_offset_visitor): New class.
1019         (Global_symbol_visitor_got_plt): New class.
1020         (Output_section_incremental_inputs::write_got_plt): New function.
1021         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
1022         Add parameter.  Adjust all callers.
1023         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1024         (Incremental_inputs::got_plt_section): New function.
1025         (Incremental_inputs::got_plt_section_): New data member.
1026         (Incremental_got_plt_reader): New class.
1027         * layout.cc (Layout::create_incremental_info_sections): Add the
1028         incremental_got_plt section.
1029         * object.h (Got_offset_list::get_list): New function.
1030         (Got offset_list::for_all_got_offsets): New function.
1031         (Sized_relobj::local_got_offset_list): New function.
1032         * powerpc.cc (Target_powerpc::got_size): Add const.
1033         (Target_powerpc::got_entry_count): New function.
1034         (Target_powerpc::plt_entry_count): New function.
1035         (Target_powerpc::first_plt_entry_offset): New function.
1036         (Target_powerpc::plt_entry_size): New function.
1037         (Output_data_plt_powerpc::entry_count): New function.
1038         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
1039         (Output_data_plt_powerpc::get_plt_entry_size): New function.
1040         * sparc.cc (Target_sparc::got_size): Add const.
1041         (Target_sparc::got_entry_count): New function.
1042         (Target_sparc::plt_entry_count): New function.
1043         (Target_sparc::first_plt_entry_offset): New function.
1044         (Target_sparc::plt_entry_size): New function.
1045         (Output_data_plt_sparc::entry_count): New function.
1046         (Output_data_plt_sparc::first_plt_entry_offset): New function.
1047         (Output_data_plt_sparc::get_plt_entry_size): New function.
1048         * symtab.h (Symbol::got_offset_list): New function.
1049         (Symbol_table::for_all_symbols): New function.
1050         * target.h (Sized_target::got_entry_count): New function.
1051         (Sized_target::plt_entry_count): New function.
1052         (Sized_target::plt_entry_size): New function.
1053         * x86_64.cc (Target_x86_64::got_size): Add const.
1054         (Target_x86_64::got_entry_count): New function.
1055         (Target_x86_64::plt_entry_count): New function.
1056         (Target_x86_64::first_plt_entry_offset): New function.
1057         (Target_x86_64::plt_entry_size): New function.
1058         (Output_data_plt_x86_64::entry_count): New function.
1059         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
1060         (Output_data_plt_x86_64::get_plt_entry_size): New function.
1062 2010-08-12  Cary Coutant  <ccoutant@google.com>
1064         * archive.cc: Include incremental.h.
1065         (Archive::Archive): Initialize incremental_info_.
1066         (Archive::include_member): Record archive members in incremental info.
1067         (Add_archive_symbols::run): Record begin and end of an archive in
1068         incremental info.
1069         (Lib_group::include_member): Record objects in incremental info.
1070         * archive.h (Incremental_archive_entry): Forward declaration.
1071         (Archive::set_incremental_info): New member function.
1072         (Archive::incremental_info): New member function.
1073         (Archive::Unused_symbol_iterator): New class.
1074         (Archive::unused_symbols_begin): New member function.
1075         (Archive::unused_symbols_end): New member function.
1076         (Archive::incremental_info_): New data member.
1077         * incremental-dump.cc (find_input_containing_global): New function.
1078         (dump_incremental_inputs): Dump new incremental info sections.
1079         * incremental.cc: Include symtab.h.
1080         (Output_section_incremental_inputs): New class.
1081         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
1082         new incremental info sections.
1083         (Sized_incremental_binary::do_check_inputs): Likewise.
1084         (Incremental_inputs::report_archive): Remove.
1085         (Incremental_inputs::report_archive_begin): New function.
1086         (Incremental_inputs::report_archive_end): New function.
1087         (Incremental_inputs::report_object): New function.
1088         (Incremental_inputs::finalize_inputs): Remove.
1089         (Incremental_inputs::report_input_section): New function.
1090         (Incremental_inputs::report_script): Rewrite.
1091         (Incremental_inputs::finalize): Do nothing but finalize string table.
1092         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1093         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1094         (Incremental_inputs::create_data_sections): New function.
1095         (Incremental_inputs::relocs_entsize): New function.
1096         (Output_section_incremental_inputs::set_final_data_size): New function.
1097         (Output_section_incremental_inputs::do_write): New function.
1098         (Output_section_incremental_inputs::write_header): New function.
1099         (Output_section_incremental_inputs::write_input_files): New function.
1100         (Output_section_incremental_inputs::write_info_blocks): New function.
1101         (Output_section_incremental_inputs::write_symtab): New function.
1102         * incremental.h (Incremental_script_entry): Forward declaration.
1103         (Incremental_object_entry): Forward declaration.
1104         (Incremental_archive_entry): Forward declaration.
1105         (Incremental_inputs): Forward declaration.
1106         (Incremental_inputs_header_data): Remove.
1107         (Incremental_inputs_header): Remove.
1108         (Incremental_inputs_header_write): Remove.
1109         (Incremental_inputs_entry_data): Remove.
1110         (Incremental_inputs_entry): Remove.
1111         (Incremental_inputs_entry_write): Remove.
1112         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
1113         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
1114         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1115         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
1116         Likewise.
1117         (Incremental_input_entry): New class.
1118         (Incremental_script_entry): New class.
1119         (Incremental_object_entry): New class.
1120         (Incremental_archive_entry): New class.
1121         (Incremental_inputs::Incremental_inputs): Initialize new data members.
1122         (Incremental_inputs::report_inputs): Remove.
1123         (Incremental_inputs::report_archive): Remove.
1124         (Incremental_inputs::report_archive_begin): New function.
1125         (Incremental_inputs::report_archive_end): New function.
1126         (Incremental_inputs::report_object): Change prototype.
1127         (Incremental_inputs::report_input_section): New function.
1128         (Incremental_inputs::report_script): Change prototype.
1129         (Incremental_inputs::get_reloc_count): New function.
1130         (Incremental_inputs::set_reloc_count): New function.
1131         (Incremental_inputs::create_data_sections): New function.
1132         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1133         (Incremental_inputs::inputs_section): New function.
1134         (Incremental_inputs::symtab_section): New function.
1135         (Incremental_inputs::relocs_section): New function.
1136         (Incremental_inputs::get_stringpool): Add const.
1137         (Incremental_inputs::command_line): Add const.
1138         (Incremental_inputs::inputs): Remove.
1139         (Incremental_inputs::command_line_key): New function.
1140         (Incremental_inputs::input_file_count): New function.
1141         (Incremental_inputs::input_files): New function.
1142         (Incremental_inputs::relocs_entsize): New function.
1143         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1144         (Incremental_inputs::finalize_inputs): Remove.
1145         (Incremental_inputs::Input_info): Remove.
1146         (Incremental_inputs::lock_): Remove.
1147         (Incremental_inputs::inputs_): Change type.
1148         (Incremental_inputs::inputs_map_): Remove.
1149         (Incremental_inputs::current_object_entry_): New data member.
1150         (Incremental_inputs::inputs_section_): New data member.
1151         (Incremental_inputs::symtab_section_): New data member.
1152         (Incremental_inputs::relocs_section_): New data member.
1153         (Incremental_inputs::reloc_count_): New data member.
1154         (Incremental_inputs_reader): New class.
1155         (Incremental_symtab_reader): New class.
1156         (Incremental_relocs_reader): New class.
1157         * layout.cc (Layout::finalize): Move finalization of incremental info
1158         and creation of incremental info sections to follow finalization of
1159         symbol table.  Set offsets for postprocessing sections.
1160         (Layout::create_incremental_info_sections): Call
1161         Incremental_inputs::create_data_sections.  Add incremental symtab
1162         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
1163         sections to layout after input sections.
1164         * layout.h (struct Timespec): Forward declaration.
1165         (Layout::incremental_inputs): Add const.
1166         (Layout::create_incremental_info_sections): Add parameter.
1167         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
1168         * object.cc: Include incremental.h.
1169         (Relobj::finalize_incremental_relocs): New function.
1170         (Sized_relobj::do_layout): Record input sections in incremental info.
1171         * object.h (Object::output_section): New function.
1172         (Object::output_section_offset): Moved from Relobj.
1173         (Object::get_incremental_reloc_base): New function.
1174         (Object::get_incremental_reloc_count): New function.
1175         (Object::do_output_section): New function.
1176         (Object::do_output_section_offset): Moved from Relobj.
1177         (Object::do_get_incremental_reloc_base): New function.
1178         (Object::do_get_incremental_reloc_count): New function.
1179         (Object::Object): Initialize new data members.
1180         (Relobj::output_section): Renamed do_output_section and moved to
1181         protected.
1182         (Relobj::output_section_offset): Moved to Object.
1183         (Relobj::do_get_incremental_reloc_base): New function.
1184         (Relobj::do_get_incremental_reloc_count): New function.
1185         (Relobj::allocate_incremental_reloc_counts): New function.
1186         (Relobj::count_incremental_reloc): New function.
1187         (Relobj::finalize_incremental_relocs): New function.
1188         (Relobj::next_incremental_reloc_index): New function.
1189         (Relobj::reloc_counts_): New data member.
1190         (Relobj::reloc_bases_): New data member.
1191         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1192         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1193         (Sized_relobj::incremental_relocs_scan): New function.
1194         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1195         (Sized_relobj::incremental_relocs_write): New function.
1196         (Sized_relobj::incremental_relocs_write_reltype): New function.
1197         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1198         incremental link.
1199         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1200         archives and object files elsewhere.
1201         (Add_symbols::run): Report object files here.
1202         (Finish_group::run): Report end of archive at end of group.
1203         * reloc.cc: Include layout.h, incremental.h.
1204         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1205         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1206         (Sized_relobj::incremental_relocs_scan): New function.
1207         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1208         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1209         (Sized_relobj::incremental_relocs_write): New function.
1210         (Sized_relobj::incremental_relocs_write_reltype): New function.
1211         * script.cc (read_input_script): Rewrite test for incremental link.
1212         Change call to Incremental_inputs::report_script.
1213         * symtab.h (Symbol_table::first_global_index): New function.
1214         (Symbol_table::output_count): New function.
1216 2010-08-12  Doug Kwan  <dougkwan@google.com>
1218         * arm.cc (Target_arm::merge_object_attributes): Check command line
1219         options --no-wchar-size-warning and --no-enum-size-warning.
1220         * options.h (General_options): Add ld-compatible options
1221         --no-enum-size-warning and --no-wchar-size-warning.
1223 2010-08-04  Ian Lance Taylor  <iant@google.com>
1225         * x86_64.cc (Target_x86_64::Scan::local): Use
1226         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1227         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1228         (Target_x86_64::Scan::global): Likewise.
1229         (Target_x86_64::Relocate::relocate): Likewise.
1230         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1231         Likewise.
1233 2010-08-03  Cary Coutant  <ccoutant@google.com>
1235         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1236         to reserve space in merged_strings vector. Keep total input size
1237         for stats.
1238         (Output_merge_string::do_print_merge_stats): Print total input size.
1239         * merge.h (Output_merge_string): Add input_size_ field.
1240         * stringpool.cc (Stringpool_template::string_length): Move
1241         implementations out of Stringpool_template class and place in
1242         stringpool.h.
1243         * stringpool.h (string_length): Move out of Stringpool_template.
1245 2010-08-03  Ian Lance Taylor  <iant@google.com>
1247         PR 11712
1248         * layout.cc (relaxation_loop_body): If address of load segment is
1249         set, adjust address to include headers if possible.
1251 2010-08-03  Ian Lance Taylor  <iant@google.com>
1253         * version.cc (version_string): Bump to 1.10.
1255 2010-08-03  Ian Lance Taylor  <iant@google.com>
1257         PR 11805
1258         * layout.h (enum Output_section_order): Define.
1259         (class Layout): Update declarations.
1260         * layout.cc (Layout::get_output_section): Add order parameter.
1261         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1262         is_first_non_relro parameters.  Change all callers.
1263         (Layout::choose_output_section): Likewise.
1264         (Layout::add_output_section_data): Likewise.
1265         (Layout::make_output_section): Likewise.  Set order.
1266         (Layout::default_section_order): New function.
1267         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1268         * output.cc (Output_section::Output_section): Initialize order_.
1269         Don't initialize deleted fields.
1270         (Output_segment::Output_segment): Don't initialize deleted
1271         fields.
1272         (Output_segment::add_output_section_to_load): New function
1273         replacing add_output_section.  Change all callers to call this or
1274         add_output_section_to_nonload.
1275         (Output_segment::add_output_section_to_nonload): New function.
1276         (Output_segment::remove_output_section): Rewrite.
1277         (Output_segment::add_initial_output_data): Likewise.
1278         (Output_segment::has_any_data_sections): Likewise.
1279         (Output_segment::is_first_section_relro): Likewise.
1280         (Output_segment::maximum_alignment): Likewise.
1281         (Output_segment::has_dynamic_reloc): New function replacing
1282         dynamic_reloc_count.  Change all callers.
1283         (Output_segment::has_dynamic_reloc_list): New function replacing
1284         dynamic_reloc_count_list.  Change all callers.
1285         (Output_segment::set_section_addresses): Rewrite.
1286         (Output_segment::set_offset): Rewrite.
1287         (Output_segment::find_first_and_last_list): Remove.
1288         (Output_segment::set_tls_offsets): Rewrite.
1289         (Output_segment::first_section_load_address): Likewise.
1290         (Output_segment::output_section_count): Likewise.
1291         (Output_segment::section_with_lowest_load_address): Likewise.
1292         (Output_segment::write_section_headers): Likewise.
1293         (Output_segment::print_sections_to_map): Likewise.
1294         * output.h (class Output_data): Remove dynamic_reloc_count_
1295         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
1296         (Output_data::add_dynamic_reloc): Rewrite.
1297         (Output_data::has_dynamic_reloc): New function.
1298         (Output_data::dynamic_reloc_count): Remove.
1299         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
1300         is_last_relro_, is_first_non_relro_, is_interp_,
1301         is_dynamic_linker_section_ fields.  Add order and set_order
1302         functions.  Remove is_relro_local, set_is_relro_local,
1303         is_last_relro, set_is_last_relro, is_first_non_relro,
1304         set_is_first_non_relro functions, is_interp, set_is_interp,
1305         is_dynamic_linker_section, and set_is_dynamic_linker_section
1306         functions.
1307         (class Output_segment): Change Output_data_list from std::list to
1308         std:;vector.  Add output_lists_ field.  Remove output_data_ and
1309         output_bss_ fields.  Update declarations.
1311 2010-08-02  Ian Lance Taylor  <iant@google.com>
1313         * arm.cc (Target_arm::gc_process_relocs): Use typename.
1314         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
1315         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
1317 2010-08-02  Ian Lance Taylor  <iant@google.com>
1319         PR 11855
1320         * script.cc (Script_options::Script_options): Initialize
1321         symbol_definitions_ and symbol_references_.
1322         (Script_options::add_symbol_assignment): Update
1323         symbol_definitions_ and symbol_references_.
1324         (Script_options::add_symbol_reference): New function.
1325         (script_symbol): New function.
1326         * script.h (class Script_options): Add symbol_definitions_ and
1327         symbol_references_ fields.
1328         (Script_options::referenced_const_iterator): New type.
1329         (Script_options::referenced_begin): New function.
1330         (Script_options::referenced_end): New function.
1331         (Script_options::is_referenced): New function.
1332         (Script_options::any_unreferenced): New function.
1333         * script-c.h (script_symbol): Declare.
1334         * yyscript.y (exp): Call script_symbol.
1335         * symtab.cc: Include "script.h".
1336         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
1337         Change all callers.  Check symbols referenced by scripts.
1338         (Symbol_table::add_undefined_symbols_from_command_line): Add
1339         layout parameter.  Change all callers.
1340         (Symbol_table::do_add_undefined_symbols_from_command_line):
1341         Likewise.  Break out loop body.  Check symbols referenced by
1342         scripts.
1343         (Symbol_table::add_undefined_symbol_from_command_line): New
1344         function broken out of
1345         do_add_undefined_symbols_from_command_line.
1346         * symtab.h (class Symbol_table): Update declarations.
1347         * archive.cc: Include "layout.h".
1348         (Archive::should_include_member): Add layout parameter.  Change
1349         all callers.  Check for symbol mentioned in expression.
1350         * archive.h (class Archive): Update declaration.
1351         * object.cc (Sized_relobj::do_should_include_member): Add layout
1352         parameter.
1353         * object.h (Object::should_include_member): Add layout parameter.
1354         Change all callers.
1355         (Object::do_should_include_member): Add layout parameter.
1356         (class Sized_relobj): Update declaration.
1357         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
1358         parameter.
1359         * dynobj.h (class Sized_dynobj): Update declaration.
1360         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
1361         layout parameter.
1362         * plugin.h (class Sized_pluginobj): Update declaration.
1364 2010-08-02  Ian Lance Taylor  <iant@google.com>
1366         PR 11866
1367         * output.cc (Output_segment::set_offset): Search for the first and
1368         last sections rather than assuming that the list is in order.
1369         (Output_segment::find_first_and_last_list): New function.
1370         * output.h (class Output_segment): Update declarations.
1371         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
1372         (relro_strip_test_SOURCES): New variable.
1373         (relro_strip_test_DEPENDENCIES): New variable.
1374         (relro_strip_test_LDFLAGS): New variable.
1375         (relro_strip_test_LDADD): New variable.
1376         (relro_strip_test.so): New target.
1378 2010-08-02  Ian Lance Taylor  <iant@google.com>
1380         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
1381         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
1382         (Target_i386::got_tlsdesc_section): New function.
1383         (Target_i386::got_section): Create space for GOT entries for
1384         TLSDESC relocations.
1385         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
1386         R_386_TLS_GOTDESC.
1387         (Target_i386::Scan::global): Likewise.
1388         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
1389         using TLSDESC GOT.
1390         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
1391         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
1392         (Target_x86_64::got_tlsdesc_section): New function.
1393         (Target_x86_64::got_section): Create space for GOT entries for
1394         TLSDESC relocations.
1395         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
1396         R_386_TLS_GOTDESC.
1397         (Target_x86_64::Scan::global): Likewise.
1398         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
1399         using TLSDESC GOT.
1401 2010-08-02  Ian Lance Taylor  <iant@google.com>
1403         * testsuite/final_layout.sh: Use dc to convert from hex to
1404         decimal.
1406 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
1408         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
1409         paramter to the call to gold::gc_process_relocs.
1410         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
1411         paramter to the call to gold::gc_process_relocs.
1412         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
1413         parameter to the call to gold::gc_process_relocs.
1414         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
1415         template parameter to the call to gold::gc_process_relocs.
1416         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
1417         paramter to the call to gold::gc_process_relocs.
1418         * gc.h (get_embedded_addend_size): New function.
1419         (gc_process_relocs): Save the size of the reloc for use by ICF.
1420         * icf.cc (get_section_contents): Get the addend from the text section
1421         for SHT_REL relocation sections.
1422         * icf.h (Icf::Reloc_addend_size_info): New typedef.
1423         (Icf::Reloc_info): Add new member reloc_addend_size_info.
1424         * int_encoding.h (read_from_pointer): New overloaded function.
1425         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
1426         * testsuite/icf_sht_rel_addend_test.sh: New file.
1427         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
1428         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
1430 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1432         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
1433         * Makefile.in: Regenerate.
1434         * testsuite/Makefile.in: Regenerate.
1436 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
1438         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
1439         * gold/testsuite/debug_msg.cc: Likewise.
1440         * gold/testsuite/odr_violation1.cc
1441         * gold/testsuite/odr_violation2.cc
1443 2010-07-21  Cary Coutant  <ccoutant@google.com>
1445         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
1446         string, and length fields.
1447         (Output_merge_string::Merged_strings_list): New type.
1448         (Output_merge_string::Merged_strings_lists): New typedef.
1449         (Output_merge_string): Replace merged_strings_ with
1450         merged_strings_lists_.
1451         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1452         Merged_strings_list per input object and section.  Don't store pointer
1453         to the string.  Don't store length with each merged string entry.
1454         (Output_merge_string::finalize_merged_data): Loop over list of merged
1455         strings lists.  Recompute length of each merged string.
1457 2010-07-15  Cary Coutant  <ccoutant@google.com>
1459         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1460         here.
1462 2010-07-14  Ian Lance Taylor  <iant@google.com>
1464         * descriptors.cc (Descriptors::open): Report correct name in error
1465         message.
1467 2010-07-13  Doug Kwan  <dougkwan@google.com>
1469         * arm.cc (Arm_input_section::Arm_input_section): For a
1470         SHT_ARM_EXIDX section, always keeps the input sections.
1471         (Arm_input_section::set_exidx_section_link): New method.
1472         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1473         has_errors_ to false.
1474         (Arm_exidx_input_section::has_errors,
1475         Arm_exidx_input_section::set_has_errors): New methods.
1476         (Arm_exidx_input_section::has_errors_): New data member.
1477         (Arm_relobj::get_exidx_shndx_list): New method.
1478         (Arm_output_section::append_text_sections_to_list): Do not skip
1479         section without SHF_EXECINSTR.
1480         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1481         errors.
1482         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1483         section header.  Make error messages more verbose.  Check for
1484         a non-executable section linked to an EXIDX section.
1485         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1486         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1487         check that there is no deferred EXIDX section if we exit early.
1488         Instead of not making an EXIDX section in case of an error, make one
1489         and set the has_errors flag of it.
1490         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1491         in a relocatable link.
1492         (Target_arm::do_relax): Look for the EXIDX output section instead of
1493         assuming that it is called .ARM.exidx.
1494         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1495         section list.  Do not check for SHF_EXECINSTR section flags but
1496         skip any input section with errors.
1497         * output.cc (Output_section::Output_section): Initialize
1498         always_keeps_input_sections_ to false.
1499         (Output_section::add_input_section): Check for
1500         always_keeps_input_sections_.
1501         *  output.h (Output_section::always_keeps_input_sections,
1502         Output_section::set_always_keeps_input_sections): New methods.
1503         (Output_section::always_keeps_input_sections): New data member.
1505 2010-07-13  Rafael Espindola  <espindola@google.com>
1507         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1508         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1510 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1511             Ian Lance Taylor  <iant@google.com>
1513         * output.h (Output_section_lookup_maps::add_merge_section):
1514         Correct check of whether value was inserted.
1515         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1516         (Output_section_lookup_maps::add_relaxed_input_section):
1517         Likewise.
1518         * arm.cc (Target_arm::got_section): Remove used local os.
1519         * i386.cc (Target_i386::got_section): Likewise.
1520         * x86_64.cc (Target_x86_64::got_section): Likewise.
1521         * sparc.cc (Target_sparc::got_section): Likewise.
1522         (Target_sparc::relocate): Remove unused local have_got_offset.
1523         * powerpc.cc (Target_powerpc::relocate): Likewise.
1525 2010-07-13  Ian Lance Taylor  <iant@google.com>
1527         * compressed_output.cc (zlib_decompress): Fix signature in
1528         !HAVE_ZLIB_H case.
1530         * archive.cc (Archive::include_member): Unlock an external member
1531         of a thin archive.  Don't bother to delete an object we know is
1532         NULL.
1534 2010-07-12  Cary Coutant  <ccoutant@google.com>
1536         * compressed_output.cc (zlib_decompress): New function.
1537         (get_uncompressed_size): New function.
1538         (decompress_input_section): New function.
1539         * compressed_output.h (get_uncompressed_size): New function.
1540         (decompress_input_section): New function.
1541         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1542         Handle compressed debug sections.
1543         * layout.cc (is_compressed_debug_section): New function.
1544         (Layout::output_section_name): Map compressed section names to
1545         canonical names.
1546         * layout.h (is_compressed_debug_section): New function.
1547         (is_debug_info_section): Recognize compressed debug sections.
1548         * merge.cc: Include compressed_output.h.
1549         (Output_merge_data::do_add_input_section): Handle compressed
1550         debug sections.
1551         (Output_merge_string::do_add_input_section): Handle compressed
1552         debug sections.
1553         * object.cc: Include compressed_output.h.
1554         (Sized_relobj::Sized_relobj): Initialize new data members.
1555         (build_compressed_section_map): New function.
1556         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1557         * object.h (Object::section_is_compressed): New method.
1558         (Object::do_section_is_compressed): New method.
1559         (Sized_relobj::Compressed_section_map): New type.
1560         (Sized_relobj::do_section_is_compressed): New method.
1561         (Sized_relobj::compressed_sections_): New data member.
1562         * output.cc (Output_section::add_input_section): Handle compressed
1563         debug sections.
1564         * reloc.cc: Include compressed_output.h.
1565         (Sized_relobj::write_sections): Handle compressed debug sections.
1567 2010-07-08  Cary Coutant  <ccoutant@google.com>
1569         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1570         weak when resolving to a dynamic def.
1571         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1572         for weak undef/dynamic def cases. Adjust callers.
1573         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1574         undef_binding_weak_.
1575         (Symbol_table::sized_write_globals): Adjust symbol binding.
1576         (Symbol_table::sized_write_symbol): Add binding parameter.
1577         * symtab.h (Symbol::set_undef_binding): New method.
1578         (Symbol::is_undef_binding_weak): New method.
1579         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1580         (Symbol_table::should_override): Add new parameter.
1581         (Symbol_table::sized_write_symbol): Add new parameter.
1583         * testsuite/weak_undef_file1.cc: Add new test case.
1584         * testsuite/weak_undef_file2.cc: Fix header comment.
1585         * testsuite/weak_undef_test.cc: Add new test case.
1587 2010-06-29  Doug Kwan  <dougkwan@google.com>
1589         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1590         Initialize USE_SYMBOL_.
1591         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1592         definition.
1593         (Arm_reloc_property::uses_symbol_): New data member declaration.
1594         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1595         uses symbol value and symbol is undefined but not weakly undefined.
1597 2010-06-28  Rafael Espindola  <espindola@google.com>
1599         * plugin.cc (Plugin::load): Use dlerror.
1601 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1603         * symtab.cc (detect_odr_violations): When reporting an ODR
1604         violation, report an object where the symbol is defined.
1606 2010-06-25  Doug Kwan  <dougkwan@google.com>
1608         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1609         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1610         definition.
1611         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1612         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1613         target hook to detect function points.
1614         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1615         * icf.h (Icf::check_section_for_function_pointers): Change type of
1616         parameter SECTION_NAME to const reference to std::string.  Use
1617         target hook to determine if section may have unsafe pointers.
1618         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1619         method definition.
1621 2010-06-21  Rafael Espindola  <espindola@google.com>
1623         * fileread.cc (Input_file::find_fie): New
1624         (Input_file::open): Use Input_file::find_fie.
1625         * fileread.h (Input_file::find_fie): New
1626         * plugin.cc (set_extra_library_path): New.
1627         (Plugin::load): Add set_extra_library_path to the transfer vector.
1628         (Plugin_manager::set_extra_library_path): New.
1629         (Plugin_manager::add_input_file): Use the extra search path if set.
1630         (set_extra_library_path(): New.
1631         * plugin.h (Plugin_manager): Add set_extra_library_path and
1632         extra_search_path_.
1634 2010-06-19  Cary Coutant  <ccoutant@google.com>
1636         * layout.cc (gdb_sections): Add .debug_types.
1637         (lines_only_debug_sections): Likewise.
1639 2010-06-18  Rafael Espindola  <espindola@google.com>
1641         * plugin.cc (add_input_file,add_input_library)
1642         (Plugin_manager::add_input_file): Make filename arguments const.
1643         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1644         const.
1646 2010-06-16  Doug Kwan  <dougkwan@google.com>
1648         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1649         .ARM.attributes section if we have not merged any input
1650         attributes sections.
1652 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1654         * arm.cc: Allow combining objects with no EABI version
1655         information.
1657 2010-06-15  Rafael Espindola  <espindola@google.com>
1659         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1661 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1663         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1664         (struct iovec): Correct !HAVE_READV definition.
1666 2010-06-10  Cary Coutant  <ccoutant@google.com>
1668         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1669         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1670         reloc sections.
1671         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1673         PR 11683
1674         * symtab.h (Symbol::is_placeholder): New member function.
1675         * target-reloc.h (relocate_section): Check for placeholder symbols.
1677         * testsuite/Makefile.am (plugin_test_8): New test.
1678         (plugin_test_9): New test.
1679         * testsuite/Makefile.in: Regenerate.
1681 2010-06-09  Nick Clifton  <nickc@redhat.com>
1683         * yyscript.y (input_list_element): Allow strings prefixed with
1684         the '-' character.  Treat these as libraries.
1685         * script.cc (script_add_library): New function.  Adds a library
1686         specified by "-l<name>" found in an input script.
1687         * script-c.h: Add prototype for script_add_library.
1689 2010-06-07  Doug Kwan  <dougkwan@google.com>
1691         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1692         Restrict stub-group size to be within long conditional branch
1693         range when working around cortex-A8 erratum.
1695 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1697         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1698         #ifdef typo.
1700 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1702         PR gold/11658
1703         * output.cc
1704         (Output_section::Input_section_sort_entry::compare_section_ordering):
1705         Change to return non-zero correctly.
1706         (Output_section::Input_section_sort_section_order_index_compare
1707         ::operator()): Change to fix ambiguity in comparisons.
1709 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1711         * gold.h (is_wildcard_string): New function.
1712         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1713         (Layout::layout_eh_frame): Ditto.
1714         (Layout::find_section_order_index): New method.
1715         (Layout::read_layout_from_file): New method.
1716         * layout.h (Layout::find_section_order_index): New method.
1717         (Layout::read_layout_from_file): New method.
1718         (Layout::input_section_position_): New private member.
1719         (Layout::input_section_glob_): New private member.
1720         * main.cc (main): Call read_layout_from_file here.
1721         * options.h (--section-ordering-file): New option.
1722         * output.cc (Output_section::input_section_order_specified_): New
1723         member.
1724         (Output_section::Output_section): Initialize new member.
1725         (Output_section::add_input_section): Add new parameter.
1726         Keep input sections when --section-ordering-file is used.
1727         (Output_section::set_final_data_size): Sort input sections when
1728         section ordering file is specified.
1729         (Output_section::Input_section_sort_entry): Add new parameter.
1730         Check sorting type.
1731         (Output_section::Input_section_sort_entry::compare_section_ordering):
1732         New method.
1733         (Output_section::Input_section_sort_compare::operator()): Change to
1734         consider section_order_index.
1735         (Output_section::Input_section_sort_init_fini_compare::operator()):
1736         Change to consider section_order_index.
1737         (Output_section::Input_section_sort_section_order_index_compare
1738         ::operator()): New method.
1739         (Output_section::sort_attached_input_sections): Change to sort
1740         according to section order when specified.
1741         (Output_section::add_input_section<32, true>): Add new parameter.
1742         (Output_section::add_input_section<64, true>): Add new parameter.
1743         (Output_section::add_input_section<32, false>): Add new parameter.
1744         (Output_section::add_input_section<64, false>): Add new parameter.
1745         * output.h (Output_section::add_input_section): Add new parameter.
1746         (Output_section::input_section_order_specified): New
1747         method.
1748         (Output_section::set_input_section_order_specified): New method.
1749         (Input_section::Input_section): Initialize section_order_index_.
1750         (Input_section::section_order_index): New method.
1751         (Input_section::set_section_order_index): New method.
1752         (Input_section::section_order_index_): New member.
1753         (Input_section::Input_section_sort_section_order_index_compare): New
1754         struct.
1755         (Output_section::input_section_order_specified_): New member.
1756         * script-sections.cc (is_wildcard_string): Delete and move modified
1757         method to gold.h.
1758         (Output_section_element_input::Output_section_element_input): Modify
1759         call to is_wildcard_string.
1760         (Output_section_element_input::Input_section_pattern
1761         ::Input_section_pattern): Ditto.
1762         (Output_section_element_input::Output_section_element_input): Ditto.
1763         * testsuite/Makefile.am (final_layout): New test case.
1764         * testsuite/Makefile.in: Regenerate.
1765         * testsuite/final_layout.cc: New file.
1766         * testsuite/final_layout.sh: New file.
1768 2010-06-01  Rafael Espindola  <espindola@google.com>
1770         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1772 2010-06-01  Rafael Espindola  <espindola@google.com>
1774         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1775         visibility of symbols.
1777 2010-05-27  Doug Kwan  <dougkwan@google.com>
1779         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1780         from start of output section instead of address for a local symbol
1781         in a merged or relaxed section when doing a relocatable link.
1783 2010-05-26  Rafael Espindola  <espindola@google.com>
1785        PR 11604
1786         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1787         adding sections the garbage collector removed.
1788         * gold/testsuite/Makefile.am: Add test.
1789         * gold/testsuite/Makefile.in: Regenerate.
1790         * gold/testsuite/plugin_test_7.sh: New.
1791         * gold/testsuite/plugin_test_7_1.c: New.
1792         * gold/testsuite/plugin_test_7_2.c: New.
1794 2010-05-26  Rafael Espindola  <espindola@google.com>
1796         * script-sections.cc (Output_section_definition::set_section_addresses):
1797         Check for --section-start.
1799 2010-05-26  Doug Kwan  <dougkwan@google.com>
1801         * arm.cc (Arm_scan_relocatable_relocs): New class.
1802         (Target_arm::relocate_special_relocatable): New method.
1803         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1804         (Arm_relocate_functions::thumb_branch_common): Same.
1805         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1806         instead of Default_scan_relocatable_relocs.
1807         * target-reloc.h (relocate_for_relocatable): Let target handle
1808         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1809         * target.h (Sized_target::relocate_special_relocatable): New method.
1811 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1813         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1815 2010-05-23  Doug Kwan  <dougkwan@google.com>
1817         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1818         instead of a cast.
1819         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1820         with a direct branch, not a conditional branch, to a stub.
1821         * merge.cc (Output_merge_base::record_input_section): New method
1822         defintion.
1823         (Output_merge_data::do_add_input_section): Record input section if
1824         keeps-input-sections flag is set.
1825         (Output_merge_string::do_add_input_section): Ditto.
1826         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1827         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1828         INPUT_SECTIONS_.
1829         (Output_merge_base::keeps_input_sections,
1830         Output_merge_base::set_keeps_input_sections,
1831         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1832         method definitions.
1833         (Output_merge_base::Input_sections): New type declaration.
1834         (Output_merge_base::input_sections_begin,
1835         Output_merge_base::input_sections_end,
1836         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1837         (Output_merge_base::bool keeps_input_sections_,
1838         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1839         Output_merge_base::input_sections_): New data members.
1840         (Output_merge_data::do_set_keeps_input_sections): New method
1841         defintion.
1842         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1843         * output.cc (Output_section::Input_section::relobj): Move method
1844         defintion from class declaration to here and handle merge sections.
1845         (Output_section::Input_section::shndx): Ditto.
1846         (Output_section::Output_section): Remove initializations of removed
1847         data members and initialize new data member LOOKUP_MAPS_.
1848         (Output_section::add_input_section): Set keeps-input-sections flag
1849         for a newly created merge output section as appropriate.  Adjust code
1850         to use Output_section_lookup_maps class.
1851         (Output_section::add_relaxed_input_section): Adjst code for lookup
1852         maps code refactoring.
1853         (Output_section::add_merge_input_section): Add a new parameter
1854         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1855         class.  If adding input section to a newly created merge output
1856         section fails, remove the new merge section.
1857         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1858         Adjust code for use of the Output_section_lookup_maps class.
1859         (Output_section::find_merge_section): Ditto.
1860         (Output_section::build_lookup_maps): New method defintion.
1861         (Output_section::find_relaxed_input_section): Adjust code to use
1862         Output_section_lookup_maps class.
1863         (Output_section::get_input_sections): Export merge sections.  Adjust
1864         code to use Output_section_lookup_maps class.
1865         (Output_section:::add_script_input_section): Adjust code to use
1866         Output_section_lookup_maps class.  Update lookup maps for merge
1867         sections also.
1868         (Output_section::discard_states): Use Output_section_lookup_maps.
1869         (Output_section::restore_states): Same.
1870         * output.h (Merge_section_properties): Move class defintion out of
1871         Output_section.
1872         (Output_section_lookup_maps): New class.
1873         (Output_section::Input_section::is_merge_section): New method
1874         defintion.
1875         (Output_section::Input_section::relobj): Move defintion out of class
1876         defintion.  Declare method only.
1877         (Output_section::Input_section::shndx): Ditto.
1878         (Output_section::Input_section::output_merge_base): New method defintion.
1879         (Output_section::Input_section::u2_.pomb): New union field.
1880         (Output_section::Merge_section_by_properties_map,
1881         Output_section::Output_section_data_by_input_section_map,
1882         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1883         Remove types.
1884         (Output_section::add_merge_input_section): Add new parameter
1885         KEEPS_INPUT_SECTIONS.
1886         (Output_section::build_lookup_maps): New method declaration.
1887         (Output_section::merge_section_map_,
1888         Output_section::merge_section_by_properties_map_,
1889         Output_section::relaxed_input_section_map_,
1890         Output_section::is_relaxed_input_section_map_valid_): Remove data
1891         members.
1892         (Output_section::lookup_maps_): New data member.
1894 2010-05-21  Doug Kwan  <dougkwan@google.com>
1896         PR gold/11619
1897         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1898         avoid a compilation error.
1900 2010-05-19  Rafael Espindola  <espindola@google.com>
1902         * script-sections.cc (Output_section_definition::allocate_to_segment):
1903         Update the phdrs_list even when the output section is NULL.
1904         * testsuite/Makefile.am: Add test.
1905         * testsuite/Makefile.in: Regenerate.
1906         * testsuite/script_test_9.cc: New.
1907         * testsuite/script_test_9.sh: New.
1908         * testsuite/script_test_9.t: New.
1910 2010-05-19  Doug Kwan  <dougkwan@google.com>
1912         * arm.cc (Arm_input_section::original_size): New method.
1913         (Arm_input_section::do_addralign): Add a cast.
1914         (Arm_input_section::do_output_offset): Remove static cast.
1915         (Arm_input_section::original_addralign,
1916          Arm_input_section::original_size_): Change type to uint32_t.
1917         (Arm_input_section::init): Add safe casts for section alignment
1918         and size.
1919         (Arm_input_section::set_final_data_size): Do not set address and
1920         offset of stub table.
1921         (Arm_output_section::fix_exidx_coverage): Change use of of
1922         Output_section::Simple_input_section to that of
1923         Output_section::Input_section.
1924         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1925         except for the first pass.
1926         * output.cc (Output_section::get_input_sections): Change type of
1927         input_sections to std::list<Input_section>.
1928         (Output_section::add_script_input_section): Rename from
1929         Output_section::add_simple_input_section.  Change type of SIS
1930         parameter from Simple_input_section to Input_section.
1931         * output.h (Output_section::Simple_input_section): Remove class.
1932         (Output_section::Input_section): Change class visibility to public.
1933         (Output_section::Input_section::addralign): Use stored alignments
1934         for special input sections if set.
1935         (Output_section::Input_section::set_addralign): New method.
1936         (Output_section::get_input_sections): Change parameter type from
1937         list of Simple_input_section to list of Input_section.
1938         (Output_section::add_script_input_section): Rename from
1939         Output_section::add_simple_input_section. Change first parameter's
1940         type from Simple_input_section to Input_section and remove the
1941         second and third parameters.
1942         * script-sections.cc (Input_section::Input_section_list): Change
1943         type to list of Output_section::Input_section/
1944         (Input_section_info::Input_section_info): Change parameter type of
1945         INPUT_SECTION to Output_section::Input_section.
1946         (Input_section_info::input_section): Change return type.
1947         (Input_section_info::input_section_): Change type to
1948         Output_section::Input_section.
1949         (Output_section_element_input::set_section_addresses): Adjust code
1950         to use Output_section::Input_section instead of
1951         Output_section::Simple_input_section.  Adjust code for renaming
1952         of Output_section::add_simple_input_section.
1953         (Orphan_output_section::set_section_addresses): Ditto.
1955 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1957         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1958         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1960 2010-05-18  Rafael Espindola  <espindola@google.com>
1962         * options.cc (General_options::finalize): Handle -nostdlib.
1963         * options.h (nostdlib): New option.
1964         * script.cc (script_add_search_dir): Handle -nostdlib.
1966 2010-05-12  Doug Kwan  <dougkwan@google.com>
1968         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1969         attributes section only if there no attributes section after merging.
1970         (Target_arm::merge_object_attributes): Move value of
1971         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1972         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1973         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1974         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1975         and arm_attr_merge_7.stdout.
1976         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1977         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1978         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1979         arm_attr_merge_7b.o): New rules.
1980         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1981         arm_attr_merge_7
1982         * testsuite/Makefile.in: Regenerate.
1983         * testsuite/arm_attr_merge.sh: New file.
1984         * testsuite/arm_attr_merge_[67][ab].s: Same.
1986 2010-05-05  Nick Clifton  <nickc@redhat.com>
1988         * po/es.po: Updated Spanish translation.
1990 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1992         * Makefile.am (install-exec-local): Properly install gold as
1993         default cross linker.
1994         * Makefile.in: Regenerated.
1996 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1997             Nick Clifton  <nickc@redhat.com>
1999         * configure.ac (install_as_default): Define and set to false
2000         unless --enable-gold or --enable-gold=both/gold has been
2001         specified.
2002         * configure: Regenerate.
2004         * Makefile.am (install-exec-local): Install the executable as
2005         'ld.gold'.  If install_as_default is true then also install it as
2006         'ld'.
2007         * Makefile.in: Regenerated.
2009 2010-04-24  Ian Lance Taylor  <iant@google.com>
2011         * layout.cc (Layout::layout_reloc): In relocatable link don't
2012         combine reloc sections for grouped sections.
2014 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
2016         * gc.h (gc_process_relocs): Pass information on relocs pointing to
2017         sections that are not ordinary to icf.
2018         * icf.cc (get_section_contents): Handle relocation pointing to section
2019         with no object or shndx information.
2020         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
2021         * testsuite/Makefile.in: Regenerate.
2022         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
2023         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
2025 2010-04-22  Ian Lance Taylor  <iant@google.com>
2027         * expression.cc (Expression::Expression_eval_info): Add
2028         result_alignment_pointer field.
2029         (Expression::eval_with_dot): Add result_alignment_pointer
2030         parameter.  Change all callers.
2031         (Expression::eval_maybe_dot): Likewise.
2032         (class Binary_expression): Add alignment_pointer parameter to
2033         left_value and right_value.  Change all callers.
2034         (BINARY_EXPRESSION): Set result alignment.
2035         (class Trinary_expression): Add alignment_pointer parameter to
2036         arg2_value and arg3_value.  Change all callers.
2037         (Trinary_cond::value): Set result alignment.
2038         (Max_expression::value, Min_expression::value): Likewise.
2039         (Align_expression::value): Likewise.
2040         * script-sections.cc (class Sections_element): Add dot_alignment
2041         parameter to set_section_addresses virtual function.  Update
2042         instantiations.
2043         (class Output_section_element): Likewise.
2044         (Script_sections::create_segments): Add dot_alignment parameter.
2045         Change all callers.
2046         (Script_sections::create_segments_from_phdrs_clause): Likewise.
2047         (Script_sections::set_phdrs_clause_addresses): Likewise.
2048         * script-sections.h: Update declarations.
2049         * script.h: Update declarations.
2050         * output.h (Output_segment::set_minimum_p_align): Don't decrease
2051         min_p_align.
2052         * testsuite/script_test_3.t: Set large alignment.
2053         * testsuite/script_test_3.sh: Make sure that at least one LOAD
2054         segment has expected alignment.
2056 2010-04-22  Nick Clifton  <nickc@redhat.com>
2058         * po/gold.pot: Updated by the Translation project.
2059         * po/vi.po: Updated Vietnamese translation.
2061 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
2063         * testsuite/Makefile.am (check_PROGRAMS): Add
2064         icf_virtual_function_folding_test.
2065         * testsuite/Makefile.in: Regenerated.
2067 2010-04-15  Andrew Haley  <aph@redhat.com>
2069         * options.h (merge_exidx_entries): New option.
2070         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
2071         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
2072         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
2073         (Target_arm::merge_exidx_entries): New function.
2074         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
2075         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
2076         to Arm_exidx_fixup constructor.
2077         Add new arg, merge_exidx_entries.
2078         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
2079         Arm_output_section::fix_exidx_coverage.
2081 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
2083         * icf.cc (get_section_contents): Check for preemptible functions.
2084         Ignore addend when appropriate.
2085         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
2086         section folded.
2087         (add_from_relobj): Check for section folded.
2088         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
2089         * symtab.h (should_add_dynsym_entry): Add new parameter.
2090         * target-reloc.h (scan_relocs): Check for section folded.
2091         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
2092         Check reloc types for function pointers in shared objects.
2093         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
2094         case.
2095         (icf_preemptible_functions_test): New test case.
2096         (icf_string_merge_test): New test case.
2097         * testsuite.Makefile.in: Regenerate.
2098         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
2099         bar_glob.  Refactor code.
2100         * testsuite/icf_preemptible_functions_test.cc: New file.
2101         * testsuite/icf_preemptible_functions_test.sh: New file.
2102         * testsuite/icf_string_merge_test.cc: New file.
2103         * testsuite/icf_string_merge_test.sh: New file.
2104         * testsuite/icf_virtual_function_folding_test.cc: New file.
2105         * testsuite/icf_virtual_function_folding_test.sh: New file.
2107 2010-04-14  Doug Kwan  <dougkwan@google.com>
2109         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
2110         for local symbol recounting if we remove a section due to ICF.
2111         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
2112         there are no regular objects in input.
2114 2010-04-13  Doug Kwan  <dougkwan@google.com>
2116         * arm.cc (Arm_input_section::set_final_data_size): Compute
2117         accurate final data size instead of using current data size.
2119 2010-04-09  Doug Kwan  <dougkwan@google.com>
2121         * layout.cc (Layout::choose_output_section): Handle script section
2122         types.
2123         (Layout::make_output_section_for_script): Add section type parameter.
2124         Handle script section types.
2125         * layout.h (Layout::make_output_section_for_script): Add section
2126         type parameter.
2127         * output.cc (Output_section::Output_section): Initialize data member
2128         is_noload_.
2129         (Output_section::do_reset_address_and_file_offset): Do not set address
2130         to 0 if section is a NOLOAD section.
2131         * output.h (Output_section::is_noload): New method.
2132         (Output_section::set_is_noload): Ditto.
2133         (Output_section::is_noload_): New data member.
2134         * script-c.h (Script_section_type): New enum type.
2135         (struct Parser_output_section_header): Add new file section_type.
2136         * script-sections.cc (Sections_element::output_section_name): Add
2137         parameter for returning script section type.
2138         (Output_section_definition::output_section_name): Ditto.
2139         (Output_section_definition::section_type)P; New method.
2140         (Output_section_definiton::script_section_type_name): Ditto.
2141         (Output_section_definition::script_section_type_): New data member.
2142         (Output_section_definition::Output_section_definition): Initialize
2143         data member Output_section_definition::script_section_type_.
2144         (Output_section_definition::create_sections): Pass script section type
2145         to Layout::make_output_section_for_script.
2146         (Output_section_definition::output_section_name): Return script
2147         section type to caller.
2148         (Output_section_definition::set_section_address): Do not advance
2149         dot value and load address if section type is NOLOAD.  Set address
2150         of NOLOAD sections regardless of section flags.
2151         (Output_section_definition::print): Print section type if it is
2152         not SCRIPT_SECTION_TYPE_NONE.
2153         (Output_section_definition::section_type): New method.
2154         (Output_section_definition::script_section_type_name): Ditto.
2155         (Script_sections::output_section_name): Add new parameter
2156         PSECTION_TYPE for returning script section type.  Pass it to
2157         section elements.  Handle discard sections.
2158         (Sort_output_sections::operator()): Handle NOLOAD sections.
2159         * script-sections.h (Script_sections::Section_type): New enum type.
2160         (Script_sections::output_section_name): Add a new parameter for
2161         returning script section type.
2162         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
2163         INFO and NOLOAD.
2164         * yyscript.y (union): Add new field SECTION_TYPE.
2165         (COPY, DSECT, INFO, NOLOAD): New tokens.
2166         (opt_address_and_section_type): Change type to output_section_header.
2167         (section_type): New non-terminal
2168         (section_header): Handle section type.
2169         (opt_address_and_section_type): Return section type value.
2171 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2173         * testsuite/plugin_common_test_1.c (foo): Add prototype.
2174         * testsuite/plugin_common_test_2.c (foo): Likewise.
2176 2010-04-08  Doug Kwan  <dougkwan@google.com>
2178         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
2179         Output_merge_data.
2180         * output.cc (Output_section::add_merge_input_section): Simplify
2181         code and return status of Output_merge_base::add_input_section.
2182         Update merge section map only if Output_merge_base::add_input_section
2183         returns true.
2185 2010-04-07  Doug Kwan  <dougkwan@google.com>
2187         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2188         if section is marked as containing instructions but has no mapping
2189         symbols.
2190         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2191         correct section index.
2192         (Arm_relobj::find_linked_text_section): Ditto.
2194 2010-04-07  Cary Coutant  <ccoutant@google.com>
2196         * archive.cc (include_member): Destroy Read_symbols_data object before
2197         releasing file.
2198         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2199         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2200         (Read_symbols_data::~Read_symbols_data) New destructor.
2201         (Section_relocs::Section_relocs) New constructor.
2202         (Section_relocs::~Section_relocs) New destructor.
2203         (Read_relocs_data::Read_relocs_data) New constructor.
2204         (Read_relocs_data::~Read_relocs_data) New destructor.
2205         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2206         pointers to NULL after deleting.
2208 2010-04-07  Doug Kwan  <dougkwan@google.com>
2210         * arm.cc: Replace "endianity" with "endianness" in comments.
2211         (Arm_exidx_cantunwind): Ditto.
2212         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2213         (Arm_relobj::merge_flags_and_attributes): New method.
2214         (Arm_relobj::merge_flags_and_attributes_): New data member.
2215         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2216         (Arm_relobj::scan_sections_for_stubs): Ditto.
2217         (Arm_relobj::do_read_symbols): Check to see if we really want to
2218         merge processor-specific flags and attributes.  Exit early if
2219         an object is empty except for section names and the undefined symbol.
2220         (Target_arm::do_finalize_sections): Move check for ELF format to
2221         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2222         attributes from a regular object only when we have determined that
2223         it is aapropriate.  Do not create an .ARM.attributes section in
2224         output if there is no regular input object.
2225         (Target_arm::merge_processor_specific_flags): Check
2226         --warn-mismatch before printing any error.
2227         (Target_arm::merge_object_attributes): Ditto.
2228         * gold.cc (queue_middle_tasks): Handle the case in which there is
2229         no regular object in input.
2230         * options.cc (General_options::parse_EB): New method.
2231         (General_options::parse_EL): Same.
2232         (General_options::General_options): Initialize endianness_.
2233         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2234         New options.
2235         (General_options::Endianness): New enum.
2236         (General_options::endianness): New method.
2237         (General_options::endianness_): New data member.
2238         * parameters.cc (Parameters::set_options): Check target endianness.
2239         (Parameters::set_target_once): Ditto.
2240         (Parameters::check_target_endianness): New method.
2241         (parameters_force_valid_target): If either -EL or -EB is specified,
2242         use it to define endianness of default target.
2243         * parameters.h (Parameters::check_target_endianness): New method
2244         declaration.
2245         * target.h (class Target): Change "endianity" to "endianness"
2246         in comments.
2248 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2250         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2251         * configure: Regenerate.
2252         * Makefile.in: Regenerate.
2253         * testsuite/Makefile.in: Regenerate.
2255 2010-04-06  Cary Coutant  <ccoutant@google.com>
2257         gcc PR lto/42757
2258         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2259         prevailing definitions of common symbols.
2260         * testsuite/plugin_test_6.sh: New test case.
2261         * testsuite/plugin_common_test_1.c: New test case.
2262         * testsuite/plugin_common_test_2.c: New test case.
2263         * testsuite/Makefile.am (plugin_test_6): New test case.
2264         * testsuite/Makefile.in: Regenerate.
2266 2010-04-06  Nick Clifton  <nickc@redhat.com>
2268         * po/vi.po: New Vietnamese translation.
2270 2010-03-30  Doug Kwan  <dougkwan@google.com>
2272         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2274 2010-03-25  Doug Kwan  <dougkwan@google.com>
2276         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2277         to avoid a conversion warning on a 32-bit host.
2279 2010-03-24  Ian Lance Taylor  <iant@google.com>
2281         * testsuite/script_test_3.t: Add a TLS segment.
2282         * testsuite/Makefile.am (check_PROGRAMS): Add
2283         tls_phdrs_script_test.
2284         (tls_phdrs_script_test_SOURCES): Define.
2285         (tls_phdrs_script_test_DEPENDENCIES): Define.
2286         (tls_phdrs_script_test_LDFLAGS): Define.
2287         (tls_phdrs_script_test_LDADD): Define.
2288         * testsuite/Makefile.in: Rebuild.
2290 2010-03-23  Cary Coutant  <ccoutant@google.com>
2292         * fileread.cc (find_or_make_view): Fix comment.
2294 2010-03-23  Ian Lance Taylor  <iant@google.com>
2296         * script-sections.cc (class Orphan_section_placement): Define
2297         PLACE_TLS and PLACE_TLS_BSS.
2298         (Orphan_section_placement::Orphan_section_placement): Initialize
2299         new places.
2300         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
2301         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
2302         (tls_script_test_SOURCES): Define.
2303         (tls_script_test_DEPENDENCIES): Define.
2304         (tls_script_test_LDFLAGS): Define.
2305         (tls_script_test_LDADD): Define.
2306         * testsuite/Makefile.in: Rebuild.
2308 2010-03-22  Doug Kwan  <dougkwan@google.com>
2310         * arm.cc (Arm_relocate_functions::abs8,
2311         Arm_relocate_functions::abs16): Use correct check for overflow
2312         specified in the ARM ELF specs.
2313         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
2314         target of a BLX instruction specially.
2315         (Reloc_stub::stub_type_for_reloc): Ditto.
2316         (Relocate::relocate): Use symbolic names instead of numeric relocation
2317         codes to report error.
2318         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
2319         workaround.
2320         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
2321         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
2322         thumb2_blx_out_of_range.stdout
2323         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
2324         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
2325         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
2326         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
2327         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
2328         thumb2_blx_in_range, thumb2_blx_in_range.o,
2329         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
2330         thumb2_blx_out_of_range.o): New rules.
2331         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
2332         thumb2_blx_in_range and thumb2_blx_out_of_range.
2333         * testsuite/Makefile.in: Regenerate.
2334         * arm_branch_in_range.sh: Add tests for THUMB BLX.
2335         * testsuite/thumb_blx_in_range.s: New file.
2336         * testsuite/thumb_blx_out_of_range.s: New file.
2338 2010-03-22  Rafael Espindola  <espindola@google.com>
2340         * archive.cc (Should_include): Move to archive.h.
2341         (should_include_member): Make it a member of Archive.
2342         (Lib_group): New.
2343         (Add_lib_group_symbols): New.
2344         * archive.h: Include options.h.
2345         (Archive_member): Moved from Archive.
2346         (Should_include): Moved from archive.cc.
2347         (Lib_group): New.
2348         (Add_lib_group_symbols): New.
2349         * dynobj.cc (do_should_include_member): New.
2350         * dynobj.h (do_should_include_member): New.
2351         * gold.cc (queue_initial_tasks): Update call to queue.
2352         * main.cc (main): Print lib group stats.
2353         * object.cc (do_should_include_member): New.
2354         * object.h: Include archive.h.
2355         (Object::should_include_member): New.
2356         (Object::do_should_include_member): New.
2357         (Sized_relobj::do_should_include_member): New.
2358         * options.cc (General_options::parse_start_lib): New.
2359         (General_options::parse_end_lib): New.
2360         (Input_arguments::add_file): Handle lib groups.
2361         (Input_arguments::start_group): Check we are not in a lib.
2362         (Input_arguments::start_lib): New.
2363         (Input_arguments::end_lib): New.
2364         * options.h (General_options): Add start_lib and end_lib.
2365         (Input_argument::lib_): New.
2366         (Input_argument::lib): New.
2367         (Input_argument::is_lib): New.
2368         (Input_file_lib): New.
2369         (Input_arguments::in_lib_): New.
2370         (Input_arguments::in_lib): New.
2371         (Input_arguments::start_lib): New.
2372         (Input_arguments::end_lib_): New.
2373         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
2374         in unused members as preempted.
2375         (Sized_pluginobj::do_should_include_member): New.
2376         * plugin.h (Sized_pluginobj::do_should_include_member): New.
2377         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
2378         return the blocker.
2379         (Read_symbols::do_whole_lib_group): New.
2380         (Read_symbols::do_lib_group): New.
2381         (Read_symbols::do_read_symbols): Handle lib groups.
2382         (Read_symbols::get_name): Handle lib groups.
2383         * readsyms.h (Read_symbols): Add an archive member pointer.
2384         (Read_symbols::do_whole_lib_group): New.
2385         (Read_symbols::do_lib_group): New.
2386         (Read_symbols::member_): New.
2387         * script.cc (read_input_script): Update call to queue_soon.
2389 2010-03-19  Doug Kwan  <dougkwan@google.com>
2391         * arm.cc (Stub_table::Stub_table): Initialize new data members
2392         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2393         (Stub_table::add_reloc_stub): Assign stub offset and update
2394         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2395         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
2396         New data members.
2397         (Stub_table::update_data_size_and_addralign): Use
2398         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
2399         instead of going over all reloc stubs.
2400         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
2401         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2402         Stringpool_template::offset_ to size of Stringpool_char.
2403         (Stringpool_template::new_key_offset): Remove code to initialize
2404         Stringpool_template::offset_.
2405         * stringpool.h (Stringpool_template::set_no_zero_null): Set
2406         Stringpool_template::offset_ to zero.
2408 2010-03-15  Doug Kwan  <dougkwan@google.com>
2410         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2411         offset_.
2412         (Stringpool_template::new_key_offset): New method.
2413         (Stringpool_template::add_string): Assign offsets when adding new
2414         strings.
2415         (Stringpool_template::set_string_offsets): Do not set string offsets
2416         when not optimizing.
2417         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
2418         member size_.
2419         (Chunked_vector::clear): Clear size_.
2420         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
2421         (Chunked_vector::size): Return size_.
2422         (Chunked_vector::push_back): Use size_ to find insert position.
2423         (Chunked_vector::size_): New data member.
2424         (Stringpool_template::set_no_zero_null): Assert string set is empty.
2425         (Stringpool_template::new_key_offset): New method declaration.
2426         (Stringpool_template::offset_): New data member.
2428 2010-03-15   Rafael Espindola  <espindola@google.com>
2430         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
2431         Add_symbols' constructor.
2432         * readsyms.h (Add_symbols): Remove the input_group member.
2434 2010-03-10  Ian Lance Taylor  <iant@google.com>
2436         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
2437         target to ask whether a reference to a symbol requires a stack
2438         split.
2439         * target.h (Target::is_call_to_non_split): New function.
2440         (Target::do_is_call_to_non_split): Declare virtual function.
2441         * target.cc: Include "symtab.h".
2442         (Target::do_is_call_to_non_split): New function.
2443         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
2445 2010-03-10  Cary Coutant  <ccoutant@google.com>
2447         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2448         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2449         (File_read::open[2]): Add whole_file_view_ to list of views.
2450         (File_read::make_view): Remove test of whole_file_view_.
2451         (File_read::find_or_make_view): Create whole_file_view_ if
2452         necessary.
2453         (File_read::clear_views): Replace bool parameter with enum;
2454         adjust all callers.  Don't delete views with permanent data;
2455         do delete cached views and views from archives if
2456         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2457         if clearing the corresponding view.
2458         * fileread.h (File_read::Clear_views_mode): New enum.
2459         (File_read::View::is_permanent_view): New method.
2460         (File_read::clear_views): Replace bool parameter
2461         with enum; adjust all callers.
2462         * options.h (General_options): Change keep_files_mapped option;
2463         add map_whole_files.
2464         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2465         releasing the file.
2466         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2467         the file.
2469 2010-03-10  David S. Miller  <davem@davemloft.net>
2471         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2473 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2475         * icf.cc (get_section_contents): Add '@' marker after processing the
2476         merge reloc.
2478 2010-03-08  Doug Kwan  <dougkwan@google.com>
2480         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2481         due to a conversion warning.
2482         (Arm_relobj::update_output_local_symbol_count): Check for local
2483         symbol with unset output index.
2485 2010-03-05  Ian Lance Taylor  <iant@google.com>
2487         * options.h (class General_options): Add --spare-dynamic-tags.
2488         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2489         --spare-dynamic-tags.
2491 2010-03-05  Ian Lance Taylor  <iant@google.com>
2493         * incremental.cc: Include "libiberty.h".
2495 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2497         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2498         function, is_info_ member.
2499         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2500         (Versions::Versions): Update caller.
2501         (Versions::define_base_version): Likewise.
2502         (Versions::add_def): Likewise.
2504 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2506         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2507         (Scan::possible_function_pointer_reloc): New function.
2508         (Scan::local_reloc_may_be_function_pointer): Change to call
2509         possible_function_pointer_reloc.
2510         (Scan::global_reloc_may_be_function_pointer): Ditto.
2511         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2512         relocations in ".data.rel.ro._ZTV" section.
2513         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2514         * testsuite/icf_safe_so_test.cc: Ditto.
2515         * testsuite/icf_safe_test.cc: Ditto.
2516         * testsuite/icf_safe_test.sh: Ditto.
2518 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2519             Ian Lance Taylor  <iant@google.com>
2521         * target-reloc.h (relocate_section): Check the symbol table index
2522         for -1U before setting the local symbol index.
2523         (scan_relocatable_relocs): If copying the relocation, record that
2524         the local symbol is required.
2525         * object.h (Symbol_value::is_output_symtab_index_set): New
2526         function.
2527         (Symbol_value::may_be_discarded_from_output_symtab): New
2528         function.
2529         (Symbol_value::has_output_symtab_entry): New function.
2530         (Symbol_value::needs_output_symtab_entry): Remove.
2531         (Symbol_value::output_symtab_index): Make sure the symbol index is
2532         set.
2533         (Symbol_value::set_output_symtab_index): Make sure the symbol
2534         index is not set.  Make sure the new index is valid.
2535         (Symbol_value::set_must_have_output_symtab_entry): New function.
2536         (Symbol_value::has_output_dynsym_entry): New function.
2537         (Symbol_value::set_output_dynsym_index): Make sure the new index
2538         is valid.
2539         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2540         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2541         local symbol if permitted.
2542         (Sized_relobj::do_finalize_local_symbols): Call
2543         is_output_symtab_index_set rather than needs_output_symtab_entry.
2544         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2545         rather than needs_output_symtab_entry.  Call
2546         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2547         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2548         is_output_symtab_index_set rather than needs_output_symtab_entry.
2549         * testsuite/discard_locals_relocatable_test.c: New file.
2550         * testsuite/discard_locals_test.sh: Test -r.
2551         * testsuite/Makefile.am (check_DATA): Add
2552         discard_locals_relocatable_test1.syms,
2553         discard_local_relocatable_test2.syms.
2554         (MOSTLYCLEANFILES): Likewise.  Also add
2555         discard_locals_relocatable_test1.lout and
2556         discard_locals_relocatable_test2.out.
2557         (discard_locals_relocatable_test1.syms): New target.
2558         (discard_locals_relocatable_test.o): New target.
2559         (discard_locals_relocatable_test1.out): New target.
2560         (discard_locals_relocatable_test2.syms): New target.
2561         (discard_locals_relocatable_test2.out): New target.
2562         (various): Add missing ../ld-new dependencies.
2563         * testsuite/Makefile.in: Rebuild.
2565 2010-03-03  Nick Clifton  <nickc@redhat.com>
2567         * po/fi.po: New Finnish translation.
2569 2010-03-01  Doug Kwan  <dougkwan@google.com>
2571         * layout.cc (Layout::Layout): Force section types of .init_array*,
2572         .preinit_array* and .fini_array* sections.
2573         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2574         Fix check of return value of std::string::find.().
2575         (Output_section::Input_section_sort_compare::operator()): Remove
2576         comment about .init_array.
2577         (Output_section::Input_section_sort_init_fini_compare::operator()):
2578         New method.
2579         (Output_section::sort_attached_input_sections): Handle .init_array
2580         and .fini_array specially.
2581         * output.h (Output_section::Inut_section_sort_compare): Update
2582         comment.
2583         (Output_section::Input_section_sort_init_fini_compare): New struct.
2585 2010-02-26  Doug Kwan  <dougkwan@google.com>
2587         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2588         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2589         * testsuite/debug_msg.sh: Avoid matching source line number for
2590         use of global variable undef_int.
2592 2010-02-26  Doug Kwan  <dougkwan@google.com>
2594         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2595         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2596         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2597         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2598         * options.cc (General_options::General_options): Initialize member
2599         fix_v4bx_.
2600         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2601         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2602         and rm_no_fix_v4bx.stdout
2603         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2604         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2605         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2606         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2607         and arm_no_fix_v4bx.
2608         * Makefile.in: Regenerate.
2609         * testsuite/arm_fix_v4bx.s: New file.
2610         * testsuite/arm_fix_v4bx.sh: Ditto.
2612 2010-02-24  Doug Kwan  <dougkwan@google.com>
2614         * arm.cc (Target_arm::got_section): Make the .got section the first
2615         non RELRO section in the data segment.
2616         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2617         suffixes of section names.
2619 2010-02-24  Doug Kwan  <dougkwan@google.com>
2621         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2622         flags and attributes merging if an input file is a binary file.
2623         * fileread.cc (Input_file::open): Record format of original file.
2624         * fileread.h (Input_file::Format): New enum type.
2625         (Input_file::Input_file): Initialize data member format_.
2626         (Input_file::format): New method definition.
2627         (Input_file::format_):: New data member.
2629 2010-02-24  Doug Kwan  <dougkwan@google.com>
2631         * arm.cc (Arm_output_data_got): New class.
2632         (ARM_TCB_SIZE): New constant
2633         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2634         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2635         If user uses a script with a SECTIONS clause, issue only a warning
2636         for a misplaced EXIDX input section.  Otherwise, issue an error.
2637         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2638         garbage collection.
2639         (Target_arm::got_mode_index_entry): Handle static linking.
2640         (Target_arm::Scan::local): Ditto.
2641         (Target_arm::Scan::global): Ditto.
2642         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2643         all incorrectly implemented relocations.
2644         (Target_arm::fix_exidx_coverage): Pass layout to
2645         Arm_output_section::fix_exidx_coverage.
2646         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2647         from ".ARM.exidx." and ".ARM.extab.".
2649 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2651         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2652         section if it does not already exist.
2653         * attributes.cc (Attributes_section_data::Attributes_section_data):
2654         Don't crash if size is zero.
2656 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2657             Ian Lance Taylor  <iant@google.com>
2659         * gold.cc (queue_middle_tasks): If no input files were opened,
2660         exit.
2661         * workqueue.h (Task_function::Task_function): Assert that there is
2662         a blocker.
2664 2010-02-22  Doug Kwan  <dougkwan@google.com>
2666         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2667         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2668         types to avoid warnings due to different uint64_t implementations
2669         on different hosts.
2671 2010-02-21  Doug Kwan  <dougkwan@google.com>
2673         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2674         handling of the maximum backward branch offset.
2675         (Arm_relocate_functions::thumb_branch_common): Ditto.
2676         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2677         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2678         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2679         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2680         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2681         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2682         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2683         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2684         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2685         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2686         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2687         thumb2_bl_out_of_range.o): New rules.
2688         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2689         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2690         thumb2_bl_out_of_range
2691         * testsuite/Makefile.in: Regenerate.
2692         * testsuite/arm_bl_in_range.s: New file.
2693         * testsuite/arm_bl_out_of_range.s: Ditto.
2694         * testsuite/arm_branch_in_range.sh: Ditto.
2695         * testsuite/arm_branch_range.t: Ditto.
2696         * testsuite/thumb2_branch_range.t: Ditto.
2697         * testsuite/thumb_bl_in_range.s: Ditto.
2698         * testsuite/thumb_bl_out_of_range.s: Ditto.
2699         * testsuite/thumb_branch_range.t: Ditto.
2701 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2703         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2704         Add reloc offset information.
2705         * icf.cc (get_section_contents): Change iterators to point to the new
2706         vectors. Add reloc offset information to the contents.
2707         * icf.h (Icf::Sections_reachable_info): New typedef.
2708         (Icf::Sections_reachable_list): New typedef.
2709         (Icf::Offset_info): New typedef.
2710         (Icf::Reloc_info): New struct typedef.
2711         (Icf::Reloc_info_list): New typedef.
2712         (Icf::symbol_reloc_list): Delete method.
2713         (Icf::addend_reloc_list): Delete method.
2714         (Icf::section_reloc_list): Delete method.
2715         (Icf::reloc_info_list): New method.
2716         (Icf::reloc_info_list_): New member.
2718 2010-02-19  Doug Kwan  <dougkwan@google.com>
2720         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2721         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2722         * arm.cc (Arm_relocation_functions): New forward declaration.
2723         (Target_arm::Target_arm): Initialize new data members
2724         got_mod_index_offset_ and tls_base_symbol_defined_.
2725         (Target_arm::Relocate::relocate_tls): New method.
2726         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2727          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2728         New methods.
2729         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2730         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2731         (Target_arm::got_mod_index_offset_,
2732         Target_arm::tls_base_symbol_defined_): New data members.
2733         (Target_arm::Scan::local, Target::Scan::global,
2734         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2735         relocations.
2737 2010-02-18  Doug Kwan  <dougkwan@google.com>
2739         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2740         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2741         text section as a parameter becuase some broken tools may not set
2742         the link in section header.
2743         (Target_arm::has_got_section): New method.
2744         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2745         without any mapping symbol as data only.  Remove warning.
2746         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2747         link in its section header, try to discover the link by inspecting the
2748         REL31 relocation at the beginning of the section.
2749         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2750         in error message.
2751         (Target_arm::Scan::global): Treat any reference to the symbol
2752         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2754 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2756         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2757         (Scan::global_reloc_may_be_function_pointer): New function.
2758         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2759         (Scan::global_reloc_may_be_function_pointer): New function.
2760         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2761         (Scan::global_reloc_may_be_function_pointer): New function.
2762         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2763         (Scan::global_reloc_may_be_function_pointer): New function.
2764         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2765         (Scan::global_reloc_may_be_function_pointer): New function.
2766         (Scan::possible_function_pointer_reloc): New function.
2767         (Target_x86_64::can_check_for_function_pointers): New function.
2768         * gc.h (gc_process_relocs): Scan relocation types to determine if
2769         function pointers were taken for targets that support it.
2770         * icf.cc (Icf::find_identical_sections): Include functions for
2771         folding in safe ICF whose pointer is not taken.
2772         * icf.h (Secn_fptr_taken_set): New typedef.
2773         (fptr_section_id_): New member.
2774         (section_has_function_pointers): New function.
2775         (set_section_has_function_pointers): New function.
2776         (check_section_for_function_pointers): New function.
2777         * options.h: Fix comment for safe ICF option.
2778         * target.h (can_check_for_function_pointers): New function.
2779         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2780         Modify icf_safe_test for X86-64.
2781         * testsuite/Makefile.in: Regenerate.
2782         * testsuite/icf_safe_so_test.cc: New file.
2783         * testsuite/icf_safe_so_test.sh: New file.
2784         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2785         (main): Change to take pointer to function kept_func_3.
2786         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2787         folding is done correctly for X86-64.
2789 2010-02-12  David S. Miller  <davem@davemloft.net>
2791         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2792         is_symbolless parameter.
2793         (Output_reloc<SHT_REL>::is_symbolless): New.
2794         (Output_reloc<SHT_REL>::is_symbolless_): New.
2795         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2796         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2797         (Output_reloc<SHT_RELA>::is_symbolless): New.
2798         (Output_data_reloc::add_global): Handle is_symbolless.
2799         (Output_data_reloc::add_global_relative): Likewise.
2800         (Output_data_reloc::add_local): Likewise.
2801         (Output_data_reloc::add_local_relative): Likewise.
2802         (Output_data_reloc::add_symbolless_global_addend): New.
2803         (Output_data_reloc::add_symbolless_local_addend): New.
2804         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2805         is_symbolless.
2806         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2807         instead of ->is_relative_
2808         (Output_reloc::write): Likewise.
2809         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2810         (Output_reloc::write_rel): Simplify.
2812         * sparc.cc (Target_sparc::Scan::local): Use
2813         ->add_symbolless_local_addend as needed.
2814         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2815         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2816         based upon relocation offset.
2818 2010-02-11  Doug Kwan  <dougkwan@google.com>
2820         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2821         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2822         beginning of function.
2823         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2824         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2825         parameter is_32bit in calls to should_apply_static_reloc.
2826         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2827         (check_DATA): Add arm_abs_global.stdout.
2828         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2829         arm_abs_global.stdout): New rules.
2830         (MOSTLLYCLEANFILES): Add arm_abs_global
2831         * Makefile.in: Regenerate.
2832         * testsuite/arm_abs_global.s: New file.
2833         * testsuite/arm_abs_global.sh: Ditto.
2834         * testsuite/arm_abs_lib.s: Ditto.
2836 2010-02-11  Ian Lance Taylor  <iant@google.com>
2838         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2839         Read_relocs task.
2840         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2841         Allocate_commons_task first.
2842         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2843         task, rather than symtab_lock_.
2844         (Gc_process_relocs::~Gc_process_relocs): New function.
2845         (Gc_process_relocs::is_runnable): Check this_blocker_.
2846         (Gc_process_relocs::locks): Use next_blocker_ rather than
2847         blocker_.
2848         (Scan_relocs::~Scan_relocs): New function.
2849         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2850         symtab_lock_.
2851         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2852         next_blocker_.
2853         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2854         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2855         constructor accordingly.
2856         (class Gc_process_relocs): Likewise.
2857         (class Scan_relocs): Likewise.
2858         * common.h (class Allocate_commons_task): Remove symtab_lock_
2859         field, and corresponding constructor parameter.
2860         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2861         symtab_lock_.
2862         (Allocate_commons_task::locks): Likewise.
2864 2010-02-11  Ian Lance Taylor  <iant@google.com>
2866         * gold-threads.h (class Once): Define.
2867         (class Initialize_lock): Rewrite as child of Once.
2868         * gold-threads.cc (class Once_initialize): Define.
2869         (once_pointer_control): New static variable.
2870         (once_pointer, once_arg): New static variables.
2871         (c_run_once): New static function.
2872         (Once::Once, Once::run_once, Once::internal_run): New functions.
2873         (class Initialize_lock_once): Remove.
2874         (initialize_lock_control): Remove.
2875         (initialize_lock_pointer): Remove.
2876         (initialize_lock_once): Remove.
2877         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2878         (Initialize_lock::initialize): Rewrite.
2879         (Initialize_lock::do_run_once): New function.
2880         * archive.cc (Archive::interpret_header): Only clear name if it is
2881         not already empty.
2882         * fileread.cc: Include "gold-threads.h"
2883         (file_counts_lock): New static variable.
2884         (file_counts_initialize_lock): Likewise.
2885         (File_read::release): Only increment counts when using --stats.
2886         Use a lock around the increment.
2887         * parameters.cc (class Set_parameters_target_once): Define.
2888         (set_parameters_target_once): New static variable.
2889         (Parameters::Parameters): Move here from parameters.h.
2890         (Parameters::set_target): Rewrite.
2891         (Parameters::set_target_once): New function.
2892         (Parameters::clear_target): Move here and rewrite.
2893         * parameters.h (class Parameters): Update declarations.  Add
2894         set_parameters_target_once_ field.
2895         (Parameters::Parameters): Move to parameters.cc.
2896         (Parameters::clear_target): Likewise.
2897         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2898         task.
2899         (Start_group::~Start_group): New function.
2900         (Start_group::is_runnable): New function.
2901         (Start_group::locks, Start_group::run): New functions.
2902         (Finish_group::run): Change saw_undefined to size_t.
2903         * readsyms.h (class Start_group): Define.
2904         (class Finish_group): Change saw_undefined_ field to size_t.
2905         (Finish_group::Finish_group): Remove saw_undefined and
2906         this_blocker parameters.  Change all callers.
2907         (Finish_group::set_saw_undefined): New function.
2908         (Finish_group::set_blocker): New function.
2909         * symtab.h (class Symbol_table): Change saw_undefined to return
2910         size_t.  Change saw_undefined_ field to size_t.
2911         * target-select.cc (Set_target_once::do_run_once): New function.
2912         (Target_selector::Target_selector): Initialize set_target_once_
2913         field.  Don't initialize lock_ and initialize_lock_ fields.
2914         (Target_selector::instantiate_target): Rewrite.
2915         (Target_selector::set_target): New function.
2916         * target-select.h (class Set_target_once): Define.
2917         (class Target_selector): Update declarations.  Make
2918         Set_target_once a friend.  Remove lock_ and initialize_lock_
2919         fields.  Add set_target_once_ field.
2921 2010-02-10  Ian Lance Taylor  <iant@google.com>
2923         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2924         queueing any tasks.
2925         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2926         (queue_middle_tasks): Add all blockers before queueing any tasks.
2927         (queue_final_tasks): Likewise.
2928         * token.h (Task_token::add_blockers): New function.
2929         * object.h (Input_objects::number_of_relobjs): New function.
2931 2010-02-10  Ian Lance Taylor  <iant@google.com>
2933         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2934         shared, not if not position independent.
2935         * x86_64.cc (Relocate::relocate_tls): Likewise.
2936         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2937         (tls_pie_pic_test): New target.
2938         * testsuite/Makefile.in: Rebuild.
2940         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2941         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2942         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2943         * testsuite/Makefile.in: Rebuild.
2945 2010-02-09  David S. Miller  <davem@davemloft.net>
2947         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2948         R_SPARC_RELATIVE using ->add_local_relative().
2949         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2951         * output.h (Output_data_dynamic::add_section_size): New method
2952         that takes two Output_data objects.
2953         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2954         entry param.  Handle it in initializers.
2955         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2956         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2957         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2958         arg.
2959         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2960         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2961         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2962         for dynrel_includes_plt.
2963         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2964         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2965         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2966         before .rela.plt
2967         (Target_sparc::do_finalize_sections): Update to pass true for
2968         dynrel_includes_plt.
2969         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2970         output before .rela.plt
2971         (Target_powerpc::do_finalize_sections): Update to pass true for
2972         dynrel_includes_plt when 32-bit.
2974 2010-02-08  Doug Kwan  <dougkwan@google.com>
2976         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2977         method.
2978         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2979         Arm_relobj::scan_section_for_cortex_a8_stubs,
2980         Arm_relobj::do_relocation_section): Instead of calling
2981         Output_section::output_address, use faster
2982         Arm_relobj::simple_input_section_output_address.
2984 2010-02-08  David S. Miller  <davem@davemloft.net>
2986         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2987         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2988         relocation helper function.
2990         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2991         just like R_SPARC_GOT{10,13,22}.
2992         (Target_sparc::Scan::local): Likewise.
2993         (Target_sparc::Relocate:relocate): Likewise.
2995 2010-02-06  Ian Lance Taylor  <iant@google.com>
2997         * configure.ac: Rewrite targetobjs duplicate removal code to use
2998         only shell constructs.
2999         * configure: Rebuild.
3001 2010-02-05  Doug Kwan  <dougkwan@google.com>
3003         PR 11247
3004         * arm.cc (Arm_relobj::section_is_scannable): New method.
3005         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
3006         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
3008 2010-02-04  Doug Kwan  <dougkwan@google.com>
3010         PR 11247
3011         * arm-reloc-property.cc (cstdio): Include.
3012         * configure.ac (targetobjs): Remove duplicates.
3013         * configure: Regenerate.
3014         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
3015         big and little endian version for a given address size.
3017 2010-02-03  Doug Kwan  <dougkwan@google.com>
3019         * arm-reloc-property.cc
3020         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3021         definition.
3022         * arm-reloc-property.h
3023         (Arm_reloc_property_table::get_implemented_static_reloc_property):
3024         New method definition.
3025         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3026         declaration.
3027         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
3028         overflow to N.
3029         (GOT_PREL): Change implemented to Y.
3030         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
3031         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
3032         (Arm_relocate_functions::movw_abs_nc): Remove method.
3033         (Arm_relocate_functions::movt_abs): Ditto.
3034         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
3035         (Arm_relocate_functions::thm_movt_abs): Ditto.
3036         (Arm_relocate_functions::movw_rel_nc): Ditto.
3037         (Arm_relocate_functions::movw_rel): Ditto.
3038         (Arm_relocate_functions::movt_rel): Ditto.
3039         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
3040         (Arm_relocate_functions:thm_movw_rel): Ditto.
3041         (Arm_relocate_functions:thm_movt_rel): Ditto.
3042         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
3043         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
3044         New method definitions.
3045         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
3046         (Arm_relocation_functions::arm_grp_ldr): Ditto.
3047         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
3048         (Arm_relocation_functions::arm_grp_ldc): Ditto.
3049         (Target_arm::Relocate::relocate): Check for non-static or
3050         unimplemented relocation code and exit early.  Change calls to
3051         Target_arm::reloc_uses_thumb_bit and
3052         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
3053         instead.  Refactor code to handle similar relocations to increase
3054         code sharing.  Remove check for unsupported relocation code in switch
3055         statement.
3056         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
3057         relocation property table to find out size.  Change error message to
3058         print out the name of a relocation code instead of the numeric value.
3059         (Target_arm::scan_reloc_for_stub): Use relocation property table
3060         instead of calling Target_arm::reloc_uses_thumb_bit().
3062 2010-02-02  Doug Kwan  <dougkwan@google.com>
3064         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
3065         types of relaxed input section.
3067 2010-02-02  Doug Kwan  <dougkwan@google.com>
3069         * Makefile.am (HFILES): Add arm-reloc-property.h.
3070         (DEFFILES): New.
3071         (TARGETSOURCES): Add arm-reloc-property.cc
3072         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
3073         (libgold_a_SOURCES): $(DEFFILES)
3074         * Makefile.in: Regenerate.
3075         * arm-reloc-property.cc: New file.
3076         * arm-reloc-property.h: New file.
3077         * arm-reloc.def: New file.
3078         * arm.cc: Update comments.
3079         (arm-reloc-property.h): New included header.
3080         (arm_reloc_property_table): New global variable.
3081         (Target_arm::do_select_as_default_target): New method definition.
3082         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
3083         arm-reloc-property to targ_extra_obj.
3084         * parameters.cc (set_parameters_target): Call
3085         Target::select_as_default_target().
3086         * target.h (Target::select_as_default_target): New method definition.
3087         (Target::do_select_as_default_target): Same.
3089 2010-02-01  Doug Kwan  <dougkwan@google.com>
3091         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
3092         first_output_text_section_.
3093         (Arm_exidx_fixup::first_output_text_section): New method definition.
3094         (Arm_exidx_fixup::first_output_text_section_): New data member.
3095         (Arm_exidx_fixup::process_exidx_section): Record the first text
3096         output section seen.
3097         (Arm_output_section::fix_exidx_coverage): Set correct linked section
3098         and entsize in output section header.
3100 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3102         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
3103         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
3104         (Arm_relocate_functions::thm_alu11): New Method.
3105         (Arm_relocate_functions::thm_pc8): New Method.
3106         (Arm_relocate_functions::thm_pc12): New Method.
3107         (Target_arm::Scan::local): Handle the relocations.
3108         (Target_arm::Scan::global): Likewise.
3109         (Target_arm::Relocate::relocate): Likewise.
3110         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3112 2010-01-29  Doug Kwan  <dougkwan@google.com>
3114         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
3115         of relocation types as ld.
3117 2010-01-29  Doug Kwan  <dougkwan@google.com>
3119         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
3120         to public.
3121         (Arm_relocate_functions::thumb_branch_common): Ditto.
3122         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
3123         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
3124         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
3125         Arm_relocate_functions::jump24): Remove.
3126         (Target_arm::Relocate::relocate): Adjust code to call
3127         Arm_relocation_functions::arm_branch_common and
3128         Arm_relocation_functions::thumb_branch_common instead of their removed
3129         wrappers.  Merge switch-cases together to reduce source code size.
3131 2010-01-29  Doug Kwan  <dougkwan@google.com>
3133         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
3134         output_local_symbol_count_needs_update_.
3135         (Arm_relobj::output_local_symbol_count_needs_update,
3136          Arm_relobj::set_output_local_symbol_count_needs_update,
3137          Arm_relobj::update_output_local_symbol_count): New methods.
3138         (Arm_relobj::output_local_symbol_count_needs_update_): New data
3139         member.
3140         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
3141         of pointed function as in a R_ARM_PREL31 relocation.
3142         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
3143         for output local symbol count updating.
3144         (Target_arm::do_relax): Update output local symbol counts in objects
3145         if necessary.
3146         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
3148 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3150         * arm.cc: Added support for the ARM relocations:
3151         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
3152         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
3153         (Arm_relocate_functions::movw_rel_nc): Renamed (was
3154         movw_prel_nc).
3155         (Arm_relocate_functions::movw_rel): New method.
3156         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
3157         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
3158         thm_movw_prel_nc).
3159         (Arm_relocate_functions::thm_movw_rel): New method.
3160         (Arm_relocate_functions::thm_movt_rel): Renamed (was
3161         thm_movt_prel).
3162         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
3163         relocations.
3164         (Target_arm::Scan::global): Likewise.
3165         (Target_arm::Relocate::relocate): Likewise.
3166         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3167         Likewise.
3169 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3171         * arm.cc: Added support for ARM group relocations.
3172         (Target_arm::reloc_needs_sym_origin): New method.
3173         (Arm_relocate_functions::calc_grp_kn): New method.
3174         (Arm_relocate_functions::calc_grp_residual): New method.
3175         (Arm_relocate_functions::calc_grp_gn): New method.
3176         (Arm_relocate_functions::arm_grp_alu): New Method.
3177         (Arm_relocate_functions::arm_grp_ldr): New Method.
3178         (Arm_relocate_functions::arm_grp_ldrs): New Method.
3179         (Arm_relocate_functions::arm_grp_ldc): New Method.
3180         (Target_arm::Scan::local): Handle the ARM group 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 2010-01-26  Doug Kwan  <dougkwan@google.com>
3188         * arm.cc (set): Include.
3189         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3190         pointer type.
3191         (Arm_output_section::Text_section_list): New type.
3192         (Arm_output_section::append_text_sections_to_list): New method.
3193         (Arm_output_section::fix_exidx_coverage): Ditto.
3194         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3195         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3196         Relobj::set_section_offset() instead of
3197         Sized_relobj::invalidate_section_offset().
3198         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3199         parameter for section headers. Ignore relocation sections for
3200         unallocated sections and EXIDX sections.
3201         (Target_arm::fix_exidx_coverage): New method.
3202         (Target_arm::output_section_address_less_than): New type.
3203         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3204         linked text section instead of the EXIDX section.
3205         (Arm_output_section::create_stub_group): Add an assertion to check
3206         that this is not an EXIDX output section.
3207         (Arm_output_section::append_text_sections_to_list): New method.
3208         (Arm_output_section::fix_exidx_coverage): Ditto.
3209         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3210         Arm_relobj::section_needs_reloc_stub_scanning.
3211         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3212         first pass.
3213         (Target_arm::fix_exidx_coverage): New method.
3214         * object.h (Relobj::set_output_section): New method.
3215         (Sized_relobj::invalidate_section_offset): Remove method.
3216         (Sized_relobj::do_invalidate_section_offset): Remove method.
3217         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3219 2010-01-25  Doug Kwan  <dougkwan@google.com>
3221         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3222         Fix warning due to signed and unsigned comparison on a 32-bit host.
3224 2010-01-22  Doug Kwan  <dougkwan@google.com>
3226         * arm.cc (Target_arm::do_relax): Record an output section for section
3227         offset adjustment it contains any stub table that has changed.
3228         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3229         offsets in an output section if necessary.
3230         * output.cc (Output_section::Output_section): Initialize
3231         section_offsets_need_adjustments_.
3232         (Output_section::add_input_section_for_script): Renamed to
3233         Output_section::add_simple_input_section.
3234         (Output_section::save_states): Add a comment.
3235         (Output_section::discard_states): New method defintion.
3236         (Output_section::adjust_section_offsets): Same.
3237         * output.h (Output_section::add_input_section_for_script): Renamed to
3238         Output_section::add_simple_input_section.
3239         (Output_section::discard_states): New method declaration.
3240         (Output_section::adjust_section_offsets): Same.
3241         (Output_section::section_offsets_need_adjustment,
3242         Output_section::set_section_offsets_need_adjustment): New method
3243         definitions.
3244         (Output_section::section_offsets_need_adjustment_): New data member.
3245         * script-sections.cc
3246         (Output_section_element_input::set_section_address): Adjust code for
3247         renaming of Output_section::add_input_section_for_script.
3248         (Orphan_output_section::set_section_address): Same.
3250 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3252         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3253         Fix_v4bx enum values .
3254         * gold/options.h (General_options): New option definitions.
3255         (General_options::fix_v4bx): New method.
3256         (General_options::Fix_v4bx): New enum.
3257         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3258         (General_options::parse_fix_v4bx_interworking): New method.
3260 2010-01-22  Doug Kwan  <dougkwan@google.com>
3262         * arm.cc (Arm_exidx_fixup): New class.
3264 2010-01-21  Doug Kwan  <dougkwan@google.com>
3266         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3267         classes.
3268         (Arm_exidx_section_offset_map): New type.
3270 2010-01-21  Doug Kwan  <dougkwan@google.com>
3272         * arm.cc (Arm_exidx_input_section): New class.
3273         (Arm_relobj::exidx_input_section_by_link,
3274         Arm_relobj::exidx_input_section_by_shndx,
3275         Arm_relobj::make_exidx_input_section): New methods.
3276         (read_arm_attributes_section): Remove.
3277         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3278         information about them.
3279         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
3280         to here.
3282 2010-01-20  Doug Kwan  <dougkwan@google.com>
3284         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
3285         Input_section_specifier to Section_id.
3286         (Target_arm::new_arm_input_section: Adjust code for change of key
3287         type.
3288         (Target_arm::find_arm_input_section): Ditto.
3289         * gc.h (object.h): Include for Section_id nand Section_id_hash.
3290         (Section_id): Remove.
3291         (Garbage_collection::Section_id_hash): Remove.
3292         * icf.h (object.h): Include for Section_id nand Section_id_hash.
3293         (Section_id): Remove.
3294         (Icf::Section_id_hash): Remove.
3295         * object.h (Section_id, Const_section_id, Section_id_hash,
3296         Const_section_id_hash): New type definitions.
3297         * output.cc (Output_section::add_relaxed_input_section): Change to
3298         use Const_section_id instead of Input_section_specifier as key type.
3299         (Output_section::add_merge_input_section): Ditto.
3300         (Output_section::build_relaxation_map): Change to use Section_id
3301         instead of Input_section_specifier as key type.
3302         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3303         Ditto.
3304         (Output_section::convert_input_sections_to_relaxed_sections): Change
3305         to use Const_section_id instead of Input_section_specifier as key type.
3306         (Output_section::find_merge_section): Ditto.
3307         (Output_section::find_relaxed_input_section): Ditto.
3308         * output.h (Input_section_specifier): Remove class.
3309         (Output_section::Output_section_data_by_input_section_map): Change
3310         key type to Const_section_id.
3311         (Output_section::Output_relaxed_input_section_by_input_section_map):
3312         Ditto.
3313         (Output_section::Relaxation_map): Change key type to Section_id.
3315 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3317         * gold/arm.cc: Added support for R_ARM_V4BX relocation
3318         (class Arm_v4bx_stub): New class.
3319         (DEF_STUBS): Updated definition to support v4_veneer_bx.
3320         (Stub_factory::make_arm_v4bx_stub): New method.
3321         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
3322         (Stub_table::empty): Handle v4bx stubs.
3323         (Stub_table::add_arm_v4bx_stub): New method.
3324         (Stub_table::find_arm_v4bx_stub): New method.
3325         (Arm_relocate_functions::v4bx): New method.
3326         (Target_arm::fix_v4bx): New method.
3327         (Target_arm::Target_arm): Handle R_ARM_V4BX.
3328         (Stub_table::relocate_stubs): Likewise.
3329         (Stub_table::do_write): Likewise.
3330         (Stub_table::update_data_size_and_addralign): Likewise.
3331         (Stub_table::finalize_stubs):  Likewise.
3332         (Target_arm::Scan::local): Likewise.
3333         (Target_arm::Scan::global): Likewise.
3334         (Target_arm::do_finalize_sections): Likewise.
3335         (Target_arm::Relocate::relocate): Likewise.
3336         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3337         Likewise.
3338         (Target_arm::scan_reloc_for_stub): Likewise.
3339         (Target_arm::scan_reloc_section_for_stubs): Likewise.
3341 2010-01-19  Ian Lance Taylor  <iant@google.com>
3343         * output.cc (Output_section_headers::do_sized_write): Write large
3344         segment count to sh_info field.
3345         (Output_file_header::do_sized_write): For large segment count,
3346         write PN_XNUM to e_phnum field.
3348 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3350         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
3351         (Arm_relocate_functions::thm_jump8): New function.
3352         (Arm_relocate_functions::thm_jump11): New function.
3353         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
3354         R_ARM_THM_JUMP11.
3355         (Target_arm::Scan::global): Likewise.
3356         (Target_arm::Relocate::relocate): Likewise.
3357         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3358         Likewise.
3360 2010-01-14  Doug Kwan  <dougkwan@google.com>
3362         * arm.cc (map, utility): Include headers.
3363         (Target_arm::apply_cortex_a8_workaround): New method.
3364         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
3365         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
3366         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
3367         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
3368         the --[no-]fix-cortex-a8 command line options.
3369         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
3370         (Target_arm::relocate_stub): Use addend in instruction template.
3371         * options.h (DEFINE_bool): Set the user-set flag.
3372         (General_options): Add --[no-]-fix-cortex options.
3373         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
3374         : Update fast look-up map after conversion.
3376 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
3378         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
3379         in the first pass of do_layout.
3381 2010-01-13  Doug Kwan  <dougkwan@google.com>
3383         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3384         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
3385         apparent compiler problem of not folding static constant integral
3386         data members of elfcpp::Elf_sizes<32>.
3388 2010-01-13  Doug Kwan  <dougkwan@google.com>
3390         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3391         Arm_relobj::section_needs_cortex_a8_stub_scanning,
3392         Arm_relobj::scan_section_for_cortex_a8_erratum,
3393         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
3394         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
3395         sections to scan for relocation stubs into a new method
3396         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
3397         relocation and Cortex-A8 stub scanning.
3398         (Target_arm::do_relax): Force stubs to be after stubbed sections
3399         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
3400         the beginning of a new relaxation pass.  Update a comment.
3401         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
3403 2010-01-12  Ian Lance Taylor  <iant@google.com>
3405         * target-reloc.h (visibility_error): New inline function.
3406         (relocate_section): Call visibility_error.
3407         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
3408         (MOSTLYCLEANFILES): Likewise.
3409         (protected_4_pic.o, protected_3.err): New targets.
3410         * testsuite/protected_4.cc: New file.
3412 2010-01-12  Doug Kwan  <dougkwan@google.com>
3414         * arm.cc (Cortex_a8_reloc): New class.
3415         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
3416         and cortex_a8_relocs_info_.
3417         (Target_arm::fix_cortex_a8): New method definition.
3418         (Target_arm::Cortex_a8_relocs_info): New type.
3419         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
3420         New data member declarations.
3421         (Target_arm::scan_reloc_for_stub): Record information about
3422         relocations for THUMB branches that might be exempted from the
3423         Cortex-A8 workaround.
3424         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
3425         at the beginning of a relaxation pass.
3427 2010-01-12  Doug Kwan  <dougkwan@google.com>
3429         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
3430         (Arm_relobj::Mapping_symbol_position,
3431          Arm_reloj::Mapping_symbol_position_less,
3432          Arm_relobj::Mapping_symbols_info): New types.
3433         (Target_arm::is_mapping_symbol_name): New method definition.
3434         (Arm_relobj::do_count_local_symbols): Save information about mapping
3435         symbols.
3437 2010-01-11  Doug Kwan  <dougkwan@google.com>
3439         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
3440         Arm_relocate_functions::thumb32_branch_upper,
3441         Arm_relocate_functions::thumb32_branch_lower,
3442         Arm_relocate_functions::thumb32_cond_branch_offset,
3443         Arm_relocate_functions::thumb32_cond_branch_upper,
3444         Arm_relocate_functions::thumb32_cond_branch_lower,
3445         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
3446         branch offset encoding.
3447         (Arm_relocate_functions::thumb_branch_common): Use new branch
3448         offset encoding methods to avoid code duplication.
3449         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3450         (Stub_addend_reader::operator()): Use new branch encoding method
3451         to avoid code duplication.
3453 2010-01-11  Doug Kwan  <dougkwan@google.com>
3455         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3456         (Target_arm::do_finalize_sections): Define special EXIDX section
3457         symbols only if referenced.
3458         * gc.h (Garbage_collection::add_reference): New method.
3459         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3460         code duplication.
3462 2010-01-11  Ian Lance Taylor  <iant@google.com>
3464         * script.cc (Version_script_info::build_expression_list_lookup):
3465         Change complaing about duplicate wildcard match from error to
3466         warning.
3468         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3469         of 2009-12-30.
3470         (Version_script_info::Version_script_info): Initialize globs_,
3471         default_version_, default_is_global_, and exact_.  Don't
3472         initialize globals_ or locals_.
3473         (Version_script_info::build_lookup_tables): Build local symbols
3474         first.
3475         (Version_script_info::unquote): New function.
3476         (Version_script_info::add_exact_match): New function.
3477         (Version_script_info::build_expression_list_lookup): Remove lookup
3478         parameter.  Add is_global parameter.  Change all callers.  Handle
3479         wildcard pattern specially.  Unquote pattern.  Call
3480         add_exact_match.
3481         (Version_script_info::get_name_to_match): New function.
3482         (Version_script_info::get_symbol_version): New function.
3483         (Version_script_info::get_symbol_version_helper): Remove.
3484         (Version_script_info::check_unmatched_names): Call unquote.
3485         * script.h (class Version_script_info): Change get_symbol_version
3486         to be non-inline and add is_global parameter; change all callers.
3487         Rewrite symbol_is_local.  Update declarations.  Define struct
3488         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3489         Remove globals_ and locals_ members.  Add exact_, globs_,
3490         default_version_, is_global_.
3491         (Version_script_info::Glob): Remove pattern, add expression and
3492         is_global.  Update constructor.  Change all callers.
3493         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3494         default version.
3495         (Versions::symbol_section_contents): If a symbol is undefined, or
3496         defined in a dynamic object, set the version index to
3497         VER_NDX_LOCAL.
3498         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3499         symbol_is_local.
3500         (Symbol_table::add_from_pluginobj): Likewise.
3501         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3503 2010-01-11  Doug Kwan  <dougkwan@google.com>
3505         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3506         (incremental_dump_LDADD): Add linking option for libintl.
3507         * Makefile.in: Regenerate.
3509 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3511         PR gold/11144
3512         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3513         instead of -Ds.
3514         * testsuite/Makefile.in: Regenerated.
3516 2010-01-10  Doug Kwan  <dougkwan@google.com>
3518         * options.h (DEFINE_var): Use parentheses around argument varname__
3519         in macro body to avoid any unintended subsequent substitutions.
3521 2010-01-10  Ian Lance Taylor  <iant@google.com>
3523         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3524         candidates before doing symbol resolution.
3526         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3527         ODR candidates if only one is weak.
3529 2010-01-08  Ian Lance Taylor  <iant@google.com>
3531         * script.cc (Version_script_info::build_expression_list_lookup):
3532         Don't warn about ambiguous version, just record the ambiguity.
3533         (Version_script_info::get_symbol_version_helper): Give error if
3534         version is ambiguous.
3536 2010-01-08  Doug Kwan  <dougkwan@google.com>
3538         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3539           prev_data_size_ and prev_addralign_.  Remove initializer for
3540           deleted data member has_been_changed_.
3541           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3542           to determine if the table is empty.
3543           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3544           Remove.
3545           (Stub_table::add_reloc_stub): Define method in class definition
3546           instead of just declaring it there.
3547           (Stub_table::add_cortex_a8_stub): New method definition.
3548           (Stub_table::update_data_size_and_addralign): Ditto.
3549           (Stub_table::finalize_stubs): Ditto.
3550           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3551           (Stub_table::do_addralign_): Return address alignment in the
3552           (Stub_table::do_reset_address_and_file_offset): Define method in
3553           class definition instead of declaring it there.  Set current data
3554           size to be the data size of the previous pass.
3555           (Stub_table::set_final_data_size): Use current data size as the
3556           final data size.
3557           (Stub_table::relocate_stub): Change parameter type of stub from
3558           Reloc_stub pointer to Stub pointer.
3559           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3560           (Stub_table::Cortex_a8_stub_list): New typedef.
3561           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3562            Stub_table::prev_addralign_): New data member.
3563           (Arm_relobj::Arm_relobj): Initialize data member
3564           section_has_cortex_a8_workaround_.
3565           (Arm_relobj::section_has_cortex_a8_workaround,
3566            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3567            definitions.
3568           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3569           declarations.
3570           (Target_arm::relocate_stub): Change parameter type of stub from
3571           Reloc_stub pointer to Stub pointer.
3572           (Insn_template::size, Insn_template::alignment): Handle
3573           THUMB16_SPECIAL_TYPE.
3574           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3575            Stub_table::update_data_size_and_addralign,
3576            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3577           definitions.
3578           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3579           (Stub_table::do_write): Ditto.
3580           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3582 2010-01-08  Ian Lance Taylor  <iant@google.com>
3584         PR 11108
3585         * symtab.h (class Symbol): Remove fields is_target_special_ and
3586         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3587         (Symbol::is_defined_in_discarded_section): New function.
3588         (Symbol::set_is_defined_in_discarded_section): New function.
3589         (Symbol::has_plt_offset): Rewrite.
3590         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3591         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3592         Don't initialize is_target_special_ or has_plt_offset_.
3593         Initialize is_defined_in_discarded_section_.
3594         (Symbol_table::add_from_relobj): If appropriate, set
3595         is_defined_in_discarded_section.
3596         * resolve.cc (Symbol::override_base_with_special): Don't test
3597         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3598         * target-reloc.h (relocate_section): Do special handling for
3599         symbols defined in discarded sections for global symbols as well
3600         as local symbols.
3602 2010-01-08  Ian Lance Taylor  <iant@google.com>
3604         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3605         the SHT_SYMTAB case.
3607 2010-01-08  Ian Lance Taylor  <iant@google.com>
3609         * object.cc (Sized_relobj::do_layout): Don't get confused if
3610         layout_eh_frame returns NULL.
3612 2010-01-08  Ian Lance Taylor  <iant@google.com>
3614         PR 11084
3615         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3616         dynamic symbol table, use the normal symbol table.
3617         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3618         symbol table.
3620 2010-01-08  Ian Lance Taylor  <iant@google.com>
3622         PR 11072
3623         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3624         sections.
3626 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3628         * version.cc (print_version): Change to "Copyright 2010".
3630 2010-01-08  Ian Lance Taylor  <iant@google.com>
3632         PR 10287
3633         PR 11063
3634         * i386.cc (class Target_i386): Change return type of plt_section
3635         to be non-const.
3636         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3637         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3638         tls_desc_rel_ field.
3639         (Output_data_plt_i386::rel_tls_desc): New function.
3640         (Target_i386::rel_tls_desc_section): New function.
3641         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3642         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3643         R_386_TLS_DESC reloc in rel_tls_desc_section.
3644         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3645         Define struct Tlsdesc_info.
3646         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3647         (Target_x86_64::do_reloc_symbol_index): New function.
3648         (Target_x86_64::add_tlsdesc_info): New function.
3649         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3650         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3651         tlsdesc_rel_ field.
3652         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3653         all callers.
3654         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3655         (Target_x86_64::rela_tlsdesc_section): New function.
3656         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3657         handling.
3658         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3659         (Target_x86_64::do_reloc_addend): New function.
3660         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3661         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3662         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3663         (Output_reloc::type): New function.
3664         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3665         (Output_reloc::is_target_specific): New function.
3666         (Output_reloc::target_arg): New function.
3667         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3668         absolute relocs and target specific relocs.
3669         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3670         add_target_specific.
3671         (class Output_data_reloc) [SHT_RELA]: Likewise.
3672         * output.cc (Output_reloc::Output_reloc): Add four new versions
3673         for absolute relocs and target specific relocs.
3674         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3675         (Output_reloc::get_symbol_index): Likewise.
3676         (Output_reloc::local_section_offset): Check that local_sym_index_
3677         is not TARGET_CODE or 0.
3678         (Output_reloc::symbol_value): Likewise.
3679         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3680         reloc.
3681         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3682         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3683         functions.
3684         * layout.cc (add_target_dynamic_tags): Use output section for
3685         DT_PLTRELSZ and DT_JMPREL.
3687 2010-01-07  Ian Lance Taylor  <iant@google.com>
3689         PR 11061
3690         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3691         function.
3692         (class Output_data_reloc_generic): Define.
3693         (class Output_data_reloc_base): Change base class to
3694         Output_data_reloc_generic.  Change add() method to call
3695         bump_relative_reloc_count for a relative reloc.  Remove
3696         sort_relocs_ field.
3697         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3698         to sort_relocs().
3699         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3700         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3701         appropriate.
3702         * layout.h (class Layout): Update declaration.
3704 2010-01-07  Ian Lance Taylor  <iant@google.com>
3706         * output.h (class Output_data): Add const version of
3707         output_section and do_output_section.
3708         (class Output_section_data): Add const version of
3709         do_output_section.
3710         (class Output_section): Likewise.
3711         * layout.cc (Layout::add_target_dynamic_tags): New function.
3712         * layout.h (class Layout): Update declarations.
3713         * arm.cc (Target_arm::do_finalize_sections): Use
3714         add_target_dynamic_tags.
3715         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3716         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3717         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3718         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3720 2010-01-07  Ian Lance Taylor  <iant@google.com>
3722         PR 11042
3723         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3724         object as needed.
3726 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3727             Ian Lance Taylor  <iant@google.com>
3729         PR 11019
3730         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3731         Xindex::read_symtab_xindex.
3733 2010-01-07  Doug Kwan  <dougkwan@google.com>
3735         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3736         (Insn_template::thumb16_bcond_insn): New method declaration.
3737         (Insn_template): Fix spelling.
3738         (Stub::thumb16_special): New method declaration.
3739         (Stub::do_write): Define virtual method which was previously pure
3740         virtual.
3741         (Stub::do_thumb16_special): New method declaration.
3742         (Stub::do_fixed_endian_write): New template member.
3743         (Reloc_stub::do_write): Remove.
3744         (Reloc_stub::do_fixed_endian_write): Remove.
3745         (Cortex_a8_stub): New class definition.
3746         (Stub_factory::make_cortex_a8_stub): New method definition.
3747         (Stub_factory::Stub_factory): Add missing static storage class
3748         qualifier for elf32_arm_stub_a8_veneer_blx.
3750 2010-01-07  Ian Lance Taylor  <iant@google.com>
3752         PR 10980
3753         * options.h (class General_options): Add --warn-unresolved-symbols
3754         and --error-unresolved-symbols.
3755         * errors.cc (Errors::undefined_symbol): Implement
3756         --warn-unresolved-symbols.
3758         * options.h (class General_options): Add -z text and -z textoff.
3759         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3761 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3763         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3764         (Garbage_collection::cident_sections): New function.
3765         (Garbage_collection::add_cident_section): New function.
3766         (Garbage_collection::cident_sections_): New member.
3767         (gc_process_relocs): Add references to sections whose names are C
3768         identifiers.
3769         * gold.h (cident_section_start_prefix): New constant.
3770         (cident_section_stop_prefix): New constant.
3771         (is_cident): New function.
3772         * layout.cc (Layout::define_section_symbols): Replace string constants
3773         with the newly defined constants.
3774         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3775         C identifiers.
3776         * testsuite/Makefile.am: Add gc_orphan_section_test.
3777         * testsuite/Makefile.in: Regenerate.
3778         * testsuite/gc_orphan_section_test.cc: New file.
3779         * testsuite/gc_orphan_section_test.sh: New file.
3781 2010-01-06  Ian Lance Taylor  <iant@google.com>
3783         PR 10980
3784         * options.h (class General_options): Add --warn-shared-textrel.
3785         * layout.cc (Layout::finish_dynamic_section): Implement
3786         --warn-shared-textrel.
3788         PR 10980
3789         * options.h (class General_options): Add --warn-multiple-gp.
3791 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3793         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3794         $(THREADSLIB) and $(LIBDL).
3795         * Makefile.in: Rebuild.
3797 2010-01-06  Ian Lance Taylor  <iant@google.com>
3799         PR 10980
3800         * options.cc (General_options::parse_section_start): New function.
3801         (General_options::section_start): New function.
3802         (General_options::General_options): Initialize all members.
3803         * options.h: Include <map>
3804         (class General_options): Add --section-start.  Add section_starts_
3805         member.
3806         * layout.cc (Layout::attach_allocated_section_to_segment): If
3807         --section-start was used, set the address of the segment.  Remove
3808         local sort_sections.
3809         (Layout::relaxation_loop_body): If the address of the load segment
3810         has been set by --section-start, don't use it.
3811         * output.h (Output_segment::update_flags_for_output_section): New
3812         function.
3813         * output.cc (Output_segment::add_output_section): Call
3814         update_flags_for_output_section.
3816 2010-01-05  Ian Lance Taylor  <iant@google.com>
3818         PR 10980
3819         * options.h (class General_options): Add --undefined-version.
3820         * script.cc (struct Version_expression): Add was_matched_by_symbol
3821         field.
3822         (Version_script_info::matched_symbol): New function.
3823         (Version_script_info::get_symbol_version_helper): Call
3824         matched_symbol.
3825         (Version_script_info::check_unmatched_names): New function.
3826         * script.h (class Version_script_info): Update declarations.
3827         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3829         * options.h (class General_options): Use DEFINE_bool_alias for
3830         allow_multiple_definition.
3831         * resolve.cc (Symbol_table::should_override): Don't test
3832         allow_multiple_definition.
3834         PR 10980
3835         * options.h (class General_options): Add --cref.
3836         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3837         until after printing cref table.
3838         * cref.cc: Include "symtab.h".
3839         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3840         (Cref_table_compare::operator()): New function.
3841         (Cref_inputs::gather_cref): New function.
3842         (filecol): New static const.
3843         (Cref_inputs::print_cref): New function.
3844         (Cref::print_cref): New function.
3845         * cref.h: Include <cstdio>.
3846         (class Cref): Update declarations.
3847         * mapfile.h (Mapfile::file): New function.
3848         * object.h (class Object): Define Symbols.  Declare virtual
3849         do_get_global_symbols.
3850         (Object::get_global_symbols): New function.
3851         * object.cc (Input_objects::add_object): Pass object to cref_ if
3852         --cref.
3853         (Input_objects::archive_start): Likewise.
3854         (Input_objects::archive_stop): Likewise.
3855         (Input_objects::print_cref): New function.
3856         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3857         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3858         --cref.
3859         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3860         function.
3861         * plugin.h (class Sized_pluginobj): Update declarations.
3863 2010-01-05  Ian Lance Taylor  <iant@google.com>
3865         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3866         to is_default_version.  Rename insdef to insdefault.
3867         (Symbol_table::add_from_relobj): Rename def to is_default_version
3868         and local to is_forced_local.
3869         (Symbol_table::add_from_pluginobj): Likewise.
3870         (Symbol_table::add_from_dynobj): Likewise.
3871         (Symbol_table::define_special_symbol): Rename insdef to
3872         insdefault.
3874 2010-01-04  Ian Lance Taylor  <iant@google.com>
3876         PR 10980
3877         * options.h (class General_options): Add
3878         --allow-multiple-definition and -z muldefs.
3879         * resolve.cc (Symbol_table::should_override): Don't warn about a
3880         multiple symbol definition if --allow-multiple-definition or -z
3881         muldefs.
3883         PR 10980
3884         * options.h (class General_options): Add --add-needed and
3885         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3886         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3887         error if --copy-dt-needed-entries aka --add-needed is used and
3888         would cause a change in behaviour.
3890         PR 10980
3891         * options.h (class General_options): Add -G as a short version of
3892         --shared.  Add no-op options -assert, -g, and -i.
3894 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3896         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3897         check for .text or .gnu.linkonce.t sections.
3898         * icf.cc (Icf::find_identical_sections): Ditto.
3899         Change the detection for mangled function name within the section
3900         name.
3901         * icf.h (is_section_foldable_candidate): New function.
3903 2009-12-30  Ian Lance Taylor  <iant@google.com>
3905         PR 10980
3906         * options.h (class General_options): Permit two dashes with
3907         --retain-symbols-file.
3909 2009-12-30  Ian Lance Taylor  <iant@google.com>
3911         PR 10979
3912         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3913         don't put the file header and segment headers in the text
3914         segment.
3916         PR 10979
3917         * common.cc (Sort_commons::operator()): Stabilize sort when both
3918         entries are NULL.
3919         (Symbol_table::do_allocate_commons_list): When allocating common
3920         symbols, skip a symbol which is no longer common.
3921         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3922         an object before checking its type.
3923         * testsuite/common_test_2.c: New file.
3924         * testsuite/common_test_3.c: New file.
3925         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3926         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3927         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3928         (common_test_2_pic.o, common_test_2.so): New targets.
3929         (common_test_3_pic.o, common_test_3.so): New targets.
3930         * testsuite/Makefile.in: Rebuild.
3932         PR 10979
3933         * script.cc (read_input_script): If we see a new SECTIONS clause,
3934         and we have added an input section, give an error.
3935         * layout.h (class Layout): Add have_added_input_section function.
3936         Add have_added_input_section_ field.
3937         * layout.cc (Layout::Layout): Initialize
3938         have_added_input_section_.
3939         (Layout::layout): Set have_added_input_section_.
3940         (Layout::layout_eh_frame): Likewise.
3942 2009-12-30  Ian Lance Taylor  <iant@google.com>
3944         PR 10931
3945         * options.h (class General_options): Add --sort-common option.
3946         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3947         * common.cc (Sort_common): Add sort_order parameter to
3948         constructor.  Add sort_order_ field.
3949         (Sort_commons::operator): Check sort_order_.
3950         (Symbol_table::allocate_commons): Determine the sort order.
3951         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3952         Change all callers.
3953         (Symbol_table::do_allocate_commons_list): Likewise.
3955 2009-12-30  Ian Lance Taylor  <iant@google.com>
3957         PR 10916
3958         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3959         symbols from this object, don't change the visibility of an
3960         undefined symbol.
3961         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3963 2009-12-30  Ian Lance Taylor  <iant@google.com>
3965         PR 10861
3966         * script.h (class Version_script_info): Define Language enum.
3967         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3968         new fields globals_, locals_, and is_finalized_.
3969         * script.cc: Various formatting fixes.
3970         (class Parser_closure): Change language_stack_ from a vector of
3971         std::string to one of Version_script_info::Language.  Adjust all
3972         uses accordingly.
3973         (class Lazy_demangler): Remove.
3974         (struct Version_expression): Change language from std::string to
3975         Version_script_info::Language.
3976         (Version_script_info::Version_script_info): New function.
3977         (Version_script_info::~Version_script_info): Don't call clear.
3978         (Version_script_info::finalize): New function.
3979         (Version_script_info::build_lookup_tables): New function.
3980         (Version_script_info::build_expression_list_lookup): New
3981         function.
3982         (Version_script_info::get_symbol_version_helper): Rewrite to use
3983         lookup tables.
3984         (Version_script_info::print_expression_list): Adjust to use
3985         Version_script_info::Language.
3986         (script_push_lex_into_version_mode): Check that the version script
3987         has not been finalized.
3988         (version_script_push_lang): Change language string to
3989         Version_script_info::Language.
3990         * options.cc (Command_line::version_script): New function.
3991         * options.h (class General_options): Add finalize_dynamic_list
3992         function.  Change version_script from declaration to definition.
3993         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3994         * testsuite/version_script.map: Remove duplicate def of foo.
3995         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3996         version_script.map.
3997         * testsuite/Makefile.in: Rebuild.
3999 2009-12-30  Ian Lance Taylor  <iant@google.com>
4001         PR 10843
4002         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
4003         if the input symbol index is 0, make the output symbol index 0.
4005 2009-12-30  Ian Lance Taylor  <iant@google.com>
4007         PR 10670
4008         * options.h (class General_options): Add -x/--discard-all.
4009         * object.cc (Sized_relobj::do_count_local_symbols): Handle
4010         --discard-all.  If the local symbol needs a dynamic entry, check
4011         that before handling --discard-locals.
4013 2009-12-30  Ian Lance Taylor  <iant@google.com>
4015         PR 10450
4016         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
4017         flags to PF_R.
4018         (Output_segment::add_output_section): Don't change the flags if
4019         the type is PT_TLS.
4021         PR 10450
4022         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
4023         GNU hash table if they need a dynamic value.  Otherwise, don't add
4024         them if they are defined in a dynamic object or are forced local.
4026 2009-12-29  Ian Lance Taylor  <iant@google.com>
4028         PR 10450
4029         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
4030         .gnu.hash table for a 32-bit target.
4032         PR 10450
4033         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
4034         regular and a dynamic object only needs a dynamic symbol table
4035         entry if it is externally visible.
4037         PR 10450
4038         * i386.cc (class Target_i386): Initialize global_offset_table_ in
4039         constructor.  Add global_offset_table_ field.
4040         (Target_i386::got_section): Set global_offset_table_.
4041         (Target_i386::do_finalize_sections): Set global_offset_table_
4042         size.
4043         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
4044         in constructor.  Add global_offset_table_ field.
4045         (Target_x86_64::got_section): Set global_offset_table_.
4046         (Target_x86_64::do_finalize_sections): Set global_offset_table_
4047         size.
4049         * layout.cc (Layout::Layout): Initialize increase_relro_.
4050         (Layout::get_output_section): Add is_relro, is_last_relro, and
4051         is_first_non_relro parameters.  Change all callers.
4052         (Layout::choose_output_section): Likewise.
4053         (Layout::add_output_section_data): Likewise.
4054         (Layout::make_output_section): Likewise.
4055         (Layout::set_segment_offsets): Clear increase_relro when using a
4056         linker script.
4057         * layout.h (class Layout): Add increase_relro method.  Add
4058         increase_relro_ field.  Update declarations.
4059         * output.cc (Output_section::Output_section): Initialize
4060         is_last_relro_ and is_first_non_relro_.
4061         (Output_segment::add_output_section): Group relro sections is
4062         do_sort is true.  Handle is_last_relro and is_first_non_relro.
4063         (Output_segment::maximum_alignment): Remove relro handling.
4064         (Output_segment::set_section_addresses): Add increase_relro
4065         parameter.  Change all callers.  Add initial alignment to align
4066         relro sections on separate page.  Remove old relro handling.
4067         (Output_segment::set_section_list_addresses): Remove in_relro
4068         parameter.  Change all callers.
4069         (Output_segment::set_offset): Add increase parameter.  Change all
4070         callers.  Remove old relro handling.
4071         * output.h (class Output_section): Add new methods: is_last_relro,
4072         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
4073         Add is_last_relro_ and is_first_non_relro_ fields.
4074         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
4075         Create separate .got.plt section.  Call increase_relro.
4076         * x86_64.cc (Target_x86_64::got_section): Likewise.
4077         * testsuite/relro_script_test.t: Add .got.plt.
4079         PR 10450
4080         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
4081         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
4082         (Layout::finalize): Call set_dynamic_symbol_size.
4083         (Layout::set_dynamic_symbol_size): New function.
4084         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
4085         set_dynamic_symbol_size.
4087         PR 10450
4088         * output.h (class Output_section): Add is_entsize_zero_ field.
4089         * output.cc (Output_section::Output_section): Initialize
4090         is_entsize_zero_.
4091         (Output_section::set_entsize): If two different entsizes are
4092         requested, force it to zero.
4093         (Output_section::add_input_section): Set flags for .debug_str
4094         before updating section flags.  Set entsize.
4095         (Output_section::update_flags_for_input_section): Set SHF_MERGE
4096         and SHF_STRING if all input sections have those flags.
4098 2009-12-29   Rafael Espindola  <espindola@google.com>
4100         * main.cc (main): Fix the sys time reporting.
4101         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
4102         reporting.
4104 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
4106         * options.cc (General_options::parse_version): Allow -v to exit
4107         without an error if there is nothing to link.
4109 2009-12-29  Ian Lance Taylor  <iant@google.com>
4111         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
4112         using a version of gcc before 4.1.
4113         * configure: Rebuild.
4115 2009-12-28  Chris Demetriou  <cgd@google.com>
4117         * attributes.cc (Output_attributes_section_data::do_write): Use
4118         std::vector::front rather than std::vector::data.
4120 2009-12-28  Ian Lance Taylor  <iant@google.com>
4122         * symtab.h (class Symbol_table): Add enum Defined.
4123         * resolve.cc (Symbol_table::should_override): Add defined
4124         parameter.  Change all callers.  Test whether object is NULL
4125         before calling a method on it.
4126         (Symbol_table::report_resolve_problem): Add defined parameter.
4127         Change all callers.
4128         (Symbol_table::should_override_with_special): Likewise.
4129         * symtab.cc (Symbol_table::define_in_output_data): Add defined
4130         parameter.  Change all callers.
4131         (Symbol_table::do_define_in_output_data): Likewise.
4132         (Symbol_table::define_in_output_segment): Likewise.
4133         (Symbol_table::do_define_in_output_segment): Likewise.
4134         (Symbol_table::define_as_constant): Likewise.
4135         (Symbol_table::do_define_as_constant): Likewise.
4136         * script.h (class Symbol_assignment): Add is_defsym parameter to
4137         constructor; change all callers.
4138         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
4139         parameter.  Change all callers.  Add is_defsym_ field.
4140         (class Parser_closure): Add parsing_defsym parameter to
4141         constructor; change all callers.  Add parsing_defsym accessor
4142         function.  Add parsing_defsym_ field.
4144 2009-12-28  Ian Lance Taylor  <iant@google.com>
4146         * gold.cc (queue_middle_tasks): Fix formatting.
4147         * object.cc (Relobj::is_section_name_included): Likewise.
4149 2009-12-23  Ian Lance Taylor  <iant@google.com>
4151         * i386.cc (Target_i386::do_calls_non_split): Recognize
4152         -fsplit-stack prologue for a function with a static chain.
4153         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
4154         -fsplit-stack prologue when using %r11.
4156 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
4158         * options.cc (General_options::parse_version): Make -v continue and do
4159         the link like GNU ld does.
4161 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
4163         * Makefile.am (CCFILES): Add timer.cc.
4164         (HFILES): Add timer.h.
4165         * configure.ac: Check for sysconf and times.
4166         * main.cc: include timer.h.
4167         (main): Use Timer instead of get_run_time.
4168         * timer.cc: New.
4169         * timer.h: New.
4170         * workqueue.cc: include timer.h.
4171         (Workqueue::find_and_run_task):
4172         Report user, sys and wall time.
4173         * Makefile.in: Regenerate.
4174         * config.in: Regenerate.
4175         * configure: Regenerate.
4177 2009-12-16  Doug Kwan  <dougkwan@google.com>
4179         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
4180         sections.
4181         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
4182         relaxed input sections.
4183         * output.cc (Output_section::find_relaxed_input_section): Change
4184         return type to Output_relaxed_input_section pointer.  Adjust code
4185         for new type of relaxed_input_section_map_.
4186         * output.h (Output_section::find_relaxed_input_section): Change
4187         return type to Output_relaxed_input_section pointer.
4188         (Output_section::Output_relaxed_input_section_by_input_section_map):
4189         New type.
4190         (Output_section::relaxed_input_section_map_): Change type to
4191         Output_section::Output_relaxed_input_section_by_input_section_map.
4192         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4193         input section.
4195 2009-12-15  Ian Lance Taylor  <iant@google.com>
4197         * layout.cc (Layout::create_shstrtab): Only write out after input
4198         sections if we are compressing debug sections.
4200 2009-12-15  Ian Lance Taylor  <iant@google.com>
4202         * archive.cc (Archive::add_symbols): Only look up a symbol without
4203         a version if there is, in fact, a version.
4205 2009-12-14  Ian Lance Taylor  <iant@google.com>
4207         Revert -Wshadow changes, all changes from:
4208         2009-12-11  Doug Kwan  <dougkwan@google.com>
4209         2009-12-11  Nick Clifton  <nickc@redhat.com>
4210         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4212 2009-12-11  Doug Kwan  <dougkwan@google.com>
4214         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4215         due to -Wshadow.
4216         * attributes.cc (Object_attribute::size): Ditto.
4217         (Attributes_section_data::size): Ditto.
4218         (Attributes_section_data::Attributes_section_data): Ditto.
4219         (Output_attributes_section_data::do_write): Ditto.
4220         * attributes.h (Object_attribute::set_type): Ditto.
4221         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4223 2009-12-11  Nick Clifton  <nickc@redhat.com>
4225         * archive.cc: Fix shadowed variable warnings.
4226         * arm.cc: Likewise.
4227         * compressed_output.cc: Likewise.
4228         * compressed_output.h: Likewise.
4229         * configure: Likewise.
4230         * dwarf_reader.cc: Likewise.
4231         * dynobj.cc: Likewise.
4232         * dynobj.h: Likewise.
4233         * ehframe.cc: Likewise.
4234         * ehframe.h: Likewise.
4235         * errors.cc: Likewise.
4236         * expression.cc: Likewise.
4237         * fileread.cc: Likewise.
4238         * fileread.h: Likewise.
4239         * freebsd.h: Likewise.
4240         * i386.cc: Likewise.
4241         * icf.cc: Likewise.
4242         * incremental.h: Likewise.
4243         * layout.cc: Likewise.
4244         * layout.h: Likewise.
4245         * mapfile.cc: Likewise.
4246         * merge.cc: Likewise.
4247         * merge.h: Likewise.
4248         * object.cc: Likewise.
4249         * object.h: Likewise.
4250         * options.h: Likewise.
4251         * output.cc: Likewise.
4252         * output.h: Likewise.
4253         * parameters.cc: Likewise.
4254         * plugin.cc: Likewise.
4255         * powerpc.cc: Likewise.
4256         * reduced_debug_output.cc: Likewise.
4257         * reduced_debug_output.h: Likewise.
4258         * reloc.cc: Likewise.
4259         * reloc.h: Likewise.
4260         * resolve.cc: Likewise.
4261         * script-sections.cc: Likewise.
4262         * script.cc: Likewise.
4263         * script.h: Likewise.
4264         * sparc.cc: Likewise.
4265         * symtab.cc: Likewise.
4266         * symtab.h: Likewise.
4267         * target-select.cc: Likewise.
4268         * target-select.h: Likewise.
4269         * token.h: Likewise.
4270         * workqueue.cc: Likewise.
4271         * workqueue.h: Likewise.
4272         * x86_64.cc: Likewise.
4274 2009-12-10  Doug Kwan  <dougkwan@google.com>
4276         * arm.cc (attributes.h): New include.
4277         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4278         (Arm_relobj::~Arm_relobj): Delete object pointed by
4279         attributes_section_data_.
4280         (Arm_relobj::attributes_section_data): New method definition.
4281         (Arm_relobj::attributes_section_data_): New data member declaration.
4282         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
4283         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
4284         attributes_section_data_.
4285         (Arm_dynobj::attributes_section_data): New method definition.
4286         (Arm_dynobj::attributes_section_data_): New data member declaration.
4287         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
4288         initialization value of may_use_blx_ to false.
4289         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
4290         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
4291         object attributes to compute results instead of hard-coding.
4292         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
4293         Target_arm::get_secondary_compatible_arch,
4294         Target_arm::set_secondary_compatible_arch
4295         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4296         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
4297         New method declarations.
4298         (Target_arm::get_aeabi_object_attribute): New method definition.
4299         (Target_arm::attributes_section_data_): New data member declaration.
4300         (read_arm_attributes_section): New template definition.
4301         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
4302         (Arm_dynobj::do_read_symbols): Ditto.
4303         (Target_arm::do_finalize_sections): Merge attributes sections from
4304         input.  Check for BLX use after attributes section merging.
4305         Fix __exidx_start and __exidx_end visibility.  Create an
4306         .ARM.attributes section if necessary.
4307         (Target_arm::get_secondary_compatible_arch,
4308         Target_arm::set_secondary_compatible_arch,
4309         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4310         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
4311         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
4312         New method definitions.
4314 2009-12-09  Ian Lance Taylor  <iant@google.com>
4316         * plugin.cc (Plugin::load): Don't cast from void* to a function
4317         pointer.
4319 2009-12-09  Ian Lance Taylor  <iant@google.com>
4321         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
4322         information fields.
4324 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
4326         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
4327         Replace two_file_shared_1.so with two_file_shared_2.so.
4328         * testsuite/Makefile.in: Regenerated.
4330 2009-12-08  Doug Kwan  <dougkwan@google.com>
4332         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
4333         (HFILES): Add attributes.h and int_encoding.h.
4334         * Makefile.in: Regenerate.
4335         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
4336         function definitions to int_encoding.cc
4337         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
4338         prototypes to int_encoding.h
4339         * reduced_debug_output.cc (int_encoding.h): New include.
4340         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
4341         function definitions to int_encoding.cc
4342         (insert_into_vector, read_from_pointer): Move template definitions to
4343         int_encoding.h
4344         * attributes.cc: New file.
4345         * attributes.h: New file.
4346         * int_encoding.cc: New file.
4347         * int_encoding.h: New file.
4349 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
4351         PR gold/11055
4352         * incremental-dump.cc (dump_incremental_inputs): New.
4353         (main): Use dump_incremental_inputs.
4355 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
4357         PR gold/10893
4358         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
4359         checking elfcpp::STT_FUNC.
4360         (Target_i386::Relocate::relocate): Likewise.
4361         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4363         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
4364         symbols from shared libraries into normal FUNC symbols.
4366         * symtab.h (Symbol): Add is_func and use it.
4368 2009-12-05  Doug Kwan  <dougkwan@google.com>
4370         * arm.cc (Target_arm::arm_info): Initialize new fields
4371         attributes_section and attributes_vendor.
4372         * i386.cc (Target_i386::i386_info): Same.
4373         * object.cc (Sized_relobj::do_layout): Skip attribute section.
4374         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
4375         fields attributes_section and attributes_vendor.
4376         * sparc.cc (Target_sparc::sparc_info): Same.
4377         * target.h (Target::attributes_section, Target::attributes_vendor,
4378         Target::is_attributes_section, Target::attribute_arg_type,
4379         Target::attributes_order): New method definitions.
4380         (Target::Target_info::attributes_section,
4381         Target::Target_info::attributes_vendor): New fields.
4382         (Target::do_attribute_arg_type, Target::do_attributes_order): New
4383         virtual method definitions.
4384         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
4385         attributes_section and attributes_vendor.
4386         * testsuite/testfile.cc (Target_test::test_target_info): Same.
4388 2009-12-05  Doug Kwan  <dougkwan@google.com>
4390         * arm.cc: Update comments about interworking and stub generation.
4391         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
4392         considered as non-PIC.
4393         (Arm_relocate_functions::base_abs): Fix formatting.
4394         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
4395         of function to use GOT entry address instead of offset.
4396         (Target_arm::Scan::global): Issue an error if a symbol would need a
4397         PLT does not get one because it is untyped.  Remove code to create
4398         dynamic symbols for relative branches.
4399         (Target_arm::Relocate::relocate: Use 0 instead of false since function
4400         takes unsigned integer instead of boolean.
4402 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
4404         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
4405         (two_file_test_LDADD): Likewise.
4406         (common_test_1_LDADD): Likewise.
4407         (exception_test_LDADD) Likewise.
4408         (weak_test_LDADD): Likewise.
4409         (many_sections_test_LDADD): Likewise.
4410         (initpri1_LDADD): Likewise.
4411         (script_test_1_LDADD): Likewise.
4412         (script_test_2_LDADD): Likewise.
4413         (justsyms_LDADD): Likewise.
4414         (binary_test_LDADD): Likewise.
4415         (large_LDADD): Likewise.
4416         * testsuite/Makefile.in: Regenerated.
4418 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
4420         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
4421         (Symbol_table::override_with_special): Likewise.
4422         (Symbol_table::add_from_object): Likewise.
4424 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4426         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4427         Don't set the data_offset twice.
4429 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4431         * testsuite/Makefile.in: Regenerate.
4433 2009-12-03  Doug Kwan  <dougkwan@google.com>
4435         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
4436         (Target_arm::do_finalize_sections): Add parameter for symbol table
4437         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
4438         * i386.cc (Target_i386::do_finalize_sections): Add an additional
4439         parameter for symbol table pointer.
4440         * layout.cc (Layout::finalize): Call Target::finalize_sections with
4441         an additional parameter for a pointer to symbol table.
4442         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
4443         parameter for a symbol table pointer.
4444         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
4445         * target.h (Target::finalize_sections, Target::do_finalize_sections):
4446         Ditto.
4447         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4448         parameter for a symbol table pointer.
4450 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4452         * incremental.cc (Incremental_inputs_header)
4453         (Incremental_inputs_header_write, Incremental_inputs_entry)
4454         (Incremental_inputs_entry_write): Move ...
4455         * incremental.h (Incremental_inputs_header)
4456         (Incremental_inputs_header_write, Incremental_inputs_entry)
4457         (Incremental_inputs_entry_write): here.
4459 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4461         * incremental.cc (make_sized_incremental_binary): Set the target.
4462         Error if it is incompatible.
4463         * output.h (Output_file): Add filename method.
4465 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4467         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4468         from the get_* methods.
4470 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4472         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4473         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4474         Write 0 for the data_offset of scripts.
4476 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4478         * testsuite/Makefile.am: Add the incremental_test.sh test.
4479         * testsuite/incremental_test.sh: New.
4480         * testsuite/incremental_test_1.c: New.
4481         * testsuite/incremental_test_2.c: New.
4483 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4485        * incremental-dump.cc (main): Fix typos.
4487 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4489         PR gold/11025
4490         * incremental-dump.cc (main): Use llu to print 64 bit values.
4492 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
4493             H.J. Lu  <hongjiu.lu@intel.com>
4495         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4496         $(LIBDL).
4497         (incremental_dump_LDADD): Likewise.
4498         * Makefile.in: Regenerated.
4500 2009-11-25  Doug Kwan  <dougkwan@google.com>
4502         Revert:
4504         2009-11-25  Doug Kwan  <dougkwan@google.com>
4506                 * arm.cc (Target_arm::Target_arm): Move method definition
4507                 outside of class definition.  Add code to handle
4508                 --target1-rel, --target1-abs and --target2= options.
4509                 (Target_arm::get_reloc_reloc_type): Change method to be
4510                 non-static and const.
4511                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4512                 New data member declaration.
4513                 (Target_arm::Scan::local, Target_arm::Scan::global,
4514                 Target_arm::Relocate::relocate,
4515                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4516                 Adjust call to Target_arm::get_real_reloc_type.
4517                 (Target_arm::get_real_reloc_type): Use command line options
4518                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4519                 * options.h (--target1-rel, --target1-abs, --target2): New
4520                 ARM-only options.
4522 2009-11-25  Doug Kwan  <dougkwan@google.com>
4524         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4525         class definition.  Add code to handle --target1-rel, --target1-abs
4526         and --target2= options.
4527         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4528         and const.
4529         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4530         member declaration.
4531         (Target_arm::Scan::local, Target_arm::Scan::global,
4532         Target_arm::Relocate::relocate,
4533         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4534         call to Target_arm::get_real_reloc_type.
4535         (Target_arm::get_real_reloc_type): Use command line options to
4536         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4537         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4538         options.
4540 2009-11-25  Doug Kwan  <dougkwan@google.com>
4542         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4543         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4544         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4545         formatting.
4546         (Arm_relocate_functions::thm_call): Replace body with a call to
4547         Arm_relocate_functions::thumb_branch_common.
4548         (Arm_relocate_functions::thm_jump24,
4549         Arm_relocate_functions::thm_xpc22): New method definitions.
4550         (Arm_relocate_functions::thumb_branch_common): New method definition.
4551         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4552         operator.
4553         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4554         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4556 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4558         * Makefile.am: Build incremental-dump
4559         * Makefile.in: Regenerate.
4560         * incremental-dump.cc: New.
4561         * incremental.cc (Incremental_inputs_header_data,
4562         Incremental_inputs_entry_data): Move to incremental.h
4563         * incremental.h: (Incremental_inputs_header_data,
4564         Incremental_inputs_entry_data): Move from incremental.cc
4566 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4568         * incremental.cc (Incremental_inputs_header,
4569         Incremental_inputs_header_write, Incremental_inputs_entry,
4570         Incremental_inputs_entry_write): Add a typedef with the data type.
4572 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4574         * incremental.cc (Incremental_inputs_header,
4575         Incremental_inputs_header_write, Incremental_inputs_entry,
4576         Incremental_inputs_entry_write): Update comment about which
4577         type has the filed descriptions.
4579 2009-11-15  Doug Kwan  <dougkwan@google.com>
4581         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4582         (Arm_relocate_functions::arm_branch_common): Change method defintion
4583         in class definition to a method declaration and update list of formal
4584         parameters.
4585         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4586         Arm_relocation_functions::jump24): Adjust call to
4587         Arm_relocate_functions::arm_branch_common.  Update list of formal
4588         parameters.
4589         (Arm_relocate_functions::xpc25): New method definition.
4590         (Arm_relocate_functions::arm_branch_common): Move method defintion
4591         out from class definition.  Use stubs for mode-switching and extending
4592         branch ranges.
4593         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4594         specially.  Change code to enable use of stubs in ARM branches.
4596 2009-11-10  Doug Kwan  <dougkwan@google.com>
4598         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4599         in method declaration.
4600         (Target_arm::relocate_stub): New method declaration.
4601         (Target_arm::default_target): Change to return a pointer instead of
4602         a const reference.
4603         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4604         Target_arm::default_target.
4605         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4606         method definition.
4607         (Target_arm::relocate_section): Adjust view.
4608         (Target_arm::relocate_stub): New method definition.
4610 2009-11-10  Doug Kwan  <dougkwan@google.com>
4612         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4613         a format warning.
4614         * incremental.cc (open_incremental_binary): Initialized local
4615         variables to avoid warnings.
4616         * object.cc (make_elf_object): Ditto.
4617         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4618         a format warning.
4620 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4622         PR gold/10930
4623         * testsuite/plugin_test.c: Include "config.h".
4625 2009-11-09  Doug Kwan  <dougkwan@google.com>
4627         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4628         (arm_symbol_value): Remove.
4629         (Arm_relocate_functions::arm_branch_common,
4630         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4631         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4632         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4633         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4634         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4635         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4636         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4637         Arm_relocate_functions::thm_mobw_abs_nc,
4638         Arm_relocate_functions::thm_mov_abs,
4639         Arm_relocate_functions::movw_prel_nc,
4640         Arm_relocate_functions::thm_movt_abs,
4641         Arm_relocate_functions::movt_prel,
4642         Arm_relocate_functions::thm_movw_prel_nc,
4643         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4644         (Target_arm::Relocate::relocate): Only decompose address into two
4645         parts if relocation type uses the thumb-bit and pass the actual
4646         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4647         calls to methods in Arm_relocate_functions for this change.
4649 2009-11-08  Ian Lance Taylor  <iant@google.com>
4651         PR 10925
4652         * reloc.cc: Instantiate
4653         Sized_relobj::initialize_input_to_output_maps and
4654         Sized_relobj:free_input_to_output_maps.
4656 2009-11-06  Ian Lance Taylor  <iant@google.com>
4658         PR 10876
4659         * defstd.cc (in_segment): Set only_if_ref true for "end".
4661 2009-11-06  Doug Kwan  <dougkwan@google.com>
4663         * arm.cc (class Reloc_stub): Correct a comment.
4664         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4665         (Target_arm::scan_section_for_stubs): New method declaration.
4666         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4667         Change methods from private to protected.
4668         (Target_arm::do_may_relax): New method definition.
4669         (Target_arm::do_relax, Target_arm::group_sections,
4670         Target_arm::scan_reloc_for_stub,
4671         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4672         (Target_arm::arm_input_section_map_): New data member declaration.
4673         (Target_arm::scan_reloc_for_stub,
4674         Target_arm::scan_reloc_section_for_stubs,
4675         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4676         Target_arm::do_relax): New method definitions.
4678 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4680         * configure.ac: Check for (struct stat)::st_mtim
4681         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4682         * config.in: Regenerate.
4683         * configure: Regenerate.
4685 2009-11-05  Ian Lance Taylor  <iant@google.com>
4687         PR 10910
4688         * output.cc (Output_segment::add_output_section): Add missing
4689         return statement.
4691 2009-11-04  Ian Lance Taylor  <iant@google.com>
4693         PR 10880
4694         * object.h (class Object): Add is_needed and set_is_needed
4695         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4696         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4697         defined in a dynamic object and referenced by a regular object,
4698         set is_needed for the dynamic object.
4699         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4700         if the file is marked with as_needed and it is not needed.
4702 2009-11-04  Ian Lance Taylor  <iant@google.com>
4704         PR 10887
4705         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4706         tags if data is discarded by linker script.
4707         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4708         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4709         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4710         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4712 2009-11-04  Ian Lance Taylor  <iant@google.com>
4714         * layout.cc (Layout::get_output_section): Add is_interp and
4715         is_dynamic_linker_section parameters.  Change all callers.
4716         (Layout::choose_output_section): Likewise.
4717         (Layout::make_output_section): Likewise.
4718         (Layout::add_output_section_data): Add is_dynamic_linker_section
4719         parameter.  Change all callers.
4720         * layout.h (class Layout): Update declarations.
4721         * output.h (class Output_section): Add is_interp, set_is_interp,
4722         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4723         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4724         generate_code_fills_at_write_ to a bitfield.
4725         * output.cc (Output_section::Output_sections): Initialize new
4726         fields.
4727         (Output_segment::add_output_section): Add do_sort parameter.
4728         Change all callers.
4730 2009-11-03  Ian Lance Taylor  <iant@google.com>
4732         PR 10860
4733         * options.h (class General_options): Add --warn-common.
4734         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4735         merging two common symbols.
4736         (Symbol_table::should_override): Handle --warn-common when merging
4737         a common symbol with a defined symbol.  Use report_resolve_problem
4738         for multiple definitions.
4739         (Symbol_table::report_resolve_problem): New function.
4740         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4742 2009-11-03  Doug Kwan  <dougkwan@google.com>
4744         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4745         stub_factory_.
4746         (Target_arm::stub_factory): New method definition.
4747         (Target_arm::new_arm_input_section,
4748         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4749         Target_arm::reloc_uses_thumb_bit): New method declarations.
4750         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4751         New type definitions.
4752         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4753         member declarations.
4754         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4755         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4756         New method definitions.
4758 2009-11-03  Ian Lance Taylor  <iant@google.com>
4760         * options.h (class General_options): Add --warn_constructors.
4762 2009-11-03  Ian Lance Taylor  <iant@google.com>
4764         PR 10893
4765         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4766         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4768 2009-11-03  Ian Lance Taylor  <iant@google.com>
4770         PR 10895
4771         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4772         --msgid-bugs-address.
4773         (install-pdf): New target.
4774         (install-data_yes): Look up one directory to find mkinstalldirs.
4776 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4778         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4779         tree.
4781 2009-10-30  Doug Kwan  <dougkwan@google.com>
4783         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4785 2009-10-30  Doug Kwan  <dougkwan@google.com>
4787         * arm.cc (Stub_addend_reader): New struct template definition
4788         and partial specializations.
4789         (Stub_addend_reader::operator()): New method definition for a
4790         partially specialized template.
4792 2009-10-30  Doug Kwan  <dougkwan@google.com>
4794         * arm.cc (Arm_relobj::processor_specific_flags): New method
4795         definition.
4796         (Arm_relobj::do_read_symbols): New method declaration.
4797         (Arm_relobj::processor_specific_flags_): New data member declaration.
4798         (Arm_dynobj): New class definition.
4799         (Target_arm::do_finalize_sections): Add input_objects parameter.
4800         (Target_arm::do_adjust_elf_header): New method declaration.
4801         (Target_arm::are_eabi_versions_compatible,
4802         (Target_arm::merge_processor_specific_flags): New method declaration.
4803         (Target_arm::do_make_elf_object): New overloaded method definitions
4804         and declaration.
4805         (Arm_relobj::do_read_symbols): New method definition.
4806         (Arm_dynobj::do_read_symbols): Ditto.
4807         (Target_arm::do_finalize_sections): Add input_objects parameters.
4808         Merge processor-specific flags from all input objects.
4809         (Target_arm::are_eabi_versions_compatible,
4810         Target_arm::merge_processor_specific_flags,
4811         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4812         New method definitions.
4813         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4814         Input_objects pointer type parameter.
4815         * layout.cc (Layout::finalize): Pass input objects to target's.
4816         finalize_sections function.
4817         * output.cc (Output_file_header::do_sized_write): Set ELF file
4818         header's processor-specific flags.
4819         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4820         Input_objects pointer type parameter.
4821         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4822         * target.h (Input_objects): New forward class declaration.
4823         (Target::processor_specific_flags,
4824         Target::are_processor_specific_flags_sect): New method definitions.
4825         (Target::finalize_sections): Add input_objects parameter.
4826         (Target::Target): Initialize processor_specific_flags_ and
4827         are_processor_specific_flags_set_.
4828         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4829         parameter.
4830         (Target::set_processor_specific_flags): New method definition.
4831         (Target::processor_specific_flags_,
4832         Target::are_processor_specific_flags_set_): New data member
4833         declarations.
4834         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4835         Input_objects pointer type parameter.
4837 2009-10-30  Doug Kwan  <dougkwan@google.com>
4839         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4841 2009-10-28  Ian Lance Taylor  <iant@google.com>
4843         * object.h (class Relobj): Drop options parameter from
4844         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4845         do_scan_relocs, do_relocate.  Change all callers.
4846         (class Sized_relobj): Drop options parameters from
4847         do_gc_process_relocs, do_scan_relocs, do_relocate,
4848         do_relocate_sections, relocate_sections, emit_relocs_scan,
4849         emit_relocs_scan_reltype.  Change all callers.
4850         (struct Relocate_info): Remove options field and all references to
4851         it.
4852         * reloc.h (class Read_relocs): Remove options constructor
4853         parameter and options_ field.  Change all callers.
4854         (class Gc_process_relocs, class Scan_relocs): Likewise.
4855         (class Relocate_task): Likewise.
4856         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4857         all callers.
4858         (scan_relocatable_relocs): Likewise.
4859         * target.h (class Sized_target): Remove options parameter from
4860         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4861         all callers.
4862         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4863         callers.
4864         * arm.cc: Update functions to remove options parameters.
4865         * i386.cc: Likewise.
4866         * powerpc.cc: Likewise.
4867         * sparc.cc: Likewise.
4868         * x86_64.cc: Likewise.
4869         * testsuite/testfile.cc: Likewise.
4871 2009-10-28  Doug Kwan  <dougkwan@google.com>
4873         * arm.cc (Arm_relobj): New class definition.
4874         (Arm_relobj::scan_sections_for_stubs,
4875         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4876         New method definitions.
4878 2009-10-28  Cary Coutant  <ccoutant@google.com>
4880         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4881         (Plugin::cleanup_done_): New member.
4882         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4883         (Plugin_manager::cleanup_done_): Remove.
4884         (Plugin_manager::add_input_file): Edit error message.
4885         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4886         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4888 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4890         * fileread.cc: (File_read::View::~View): Use the new
4891         data_ownership_ filed.
4892         (File_read::~File_read): Dispose the new whole_file_view_.
4893         (File_read::open): Mmap the whole file if needed.
4894         (File_read::open): Use whole_file_view_ instead of contents_.
4895         (File_read::find_view): Use whole_file_view_ if applicable.
4896         (File_read::do_read): Use whole_file_view_ instead of contents_.
4897         (File_read::make_view): Use whole_file_view_ instead of contents_,
4898         update File_read::View::View call.
4899         (File_read::find_or_make_view): Update File_read::View::View
4900         call.
4901         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4902         remove contents_
4903         (File_read::View::Data_ownership): New enum.
4904         (File_read::View::View): Replace bool mapped_ with Data_ownership
4905         argument.
4906         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4907         (File_read::View::data_ownership_): New field.
4908         (File_read::contents_): Remove (replaced by whole_file_view_).
4909         (File_read::whole_file_view_): New field.
4910         * options.h (class General_options): Add --keep-files-mapped.
4912 2009-10-27  Cary Coutant  <ccoutant@google.com>
4914         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4915         * testsuite/Makefile.am (plugin_test_5): New test case.
4916         * testsuite/Makefile.in: Regenerate.
4918 2009-10-25  Doug Kwan  <dougkwan@google.com>
4920         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4921         from private to protected to allow access by child class.
4922         (Sized_relobj::do_relocate_sections): New method declaration.
4923         (Sized_relobj::relocate_sections): Virtualize.
4924         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4925         Sized_relobj::relocate_sections.  Instantiate template explicitly
4926         for different target sizes and endianity.
4928 2009-10-24  Doug Kwan  <dougkwan@google.com>
4930         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4931         (Arm_input_section::as_arm_input_section): New method.
4932         (Arm_output_section): New class definition.
4933         (Arm_output_section::create_stub_group,
4934         Arm_output_section::group_sections): New method definitions.
4936 2009-10-22  Doug Kwan  <dougkwan@google.com>
4938         * arm.cc (Arm_input_section): New class definition.
4939         (Arm_input_section::init, Arm_input_section:do_write,
4940         Arm_input_section::set_final_data_size,
4941         Arm_input_section::do_reset_address_and_file_offset): New method
4942         definitions.
4944 2009-10-21  Doug Kwan  <dougkwan@google.com>
4946         * arm.cc (Stub_table, Arm_input_section): New forward class
4947         declarations.
4948         (Stub_table): New class defintion.
4949         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4950         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4951         New method definition.
4953 2009-10-21  Doug Kwan  <dougkwan@google.com>
4955         * arm.cc: Update copyright comments.
4956         (Target_arm): New forward class template declaration.
4957         (Arm_address): New type.
4958         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4959         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4960         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4961         constants.
4962         (Insn_template): Same.
4963         (DEF_STUBS): New macro.
4964         (Stub_type): New enum type.
4965         (Stub_template): New class definition.
4966         (Stub): Same.
4967         (Reloc_stub): Same.
4968         (Stub_factory): Same.
4969         (Target_arm::Target_arm): Initialize may_use_blx_ and
4970         should_force_pic_veneer_.
4971         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4972         Target_arm::should_force_pic_veneer,
4973         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4974         Target_arm::using_thumb_only, Target_arm:;default_target): New
4975         method defintions.
4976         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4977         New data member declarations.
4978         (Insn_template::size, Insn_template::alignment): New method defintions.
4979         (Stub_template::Stub_template): New method definition.
4980         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4981         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4982         (Stub_factory::Stub_factory): New method definition.
4983         * gold.h (string_hash): New template.
4984         * output.h (Input_section_specifier::hash_value): Use
4985         gold::string_hash.
4986         (Input_section_specifier::string_hash): Remove.
4987         * stringpool.cc (Stringpool_template::string_hash): Use
4988         gold::string_hash.
4990 2009-10-20  Doug Kwan  <dougkwan@google.com>
4992         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4993         symbols of relaxed input sections.
4994         * output.h (Output_section::find_relaxed_input_section): Make
4995         method public.
4997 2009-10-16  Doug Kwan  <dougkwan@google.com>
4999         * dynobj.cc (Versions::Versions): Initialize version_script_.
5000         Only insert base version symbol definition for a shared object
5001         if version script defines any version versions.
5002         (Versions::define_base_version): New method definition.
5003         (Versions::add_def): Check that base version is not needed.
5004         (Versions::add_need): Define base version lazily.
5005         * dynobj.h (Versions::define_base_version): New method declaration.
5006         (Versions::needs_base_version_): New data member declaration.
5007         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
5008         (check_DATA): Add no_version_test.stdout.
5009         (libno_version_test.so, no_version_test.o no_version_test.stdout):
5010         New make rules.
5011         * testsuite/Makefile.in: Regenerate.
5012         * testsuite/no_version_test.c: New file.
5013         * testsuite/no_version_test.sh: Ditto.
5015 2009-10-16  Doug Kwan  <dougkwan@google.com>
5017         * expression.cc (class Segment_start_expression): New class definition.
5018         (Segment_start_expression::value): New method definition.
5019         (script_exp_function_segment_start): Return a new
5020         Segment_start_expression.
5021         * gold/script-c.h (script_saw_segment_start_expression): New function
5022         prototype.
5023         * script-sections.cc (Script_sections::Script_sections): Initialize
5024         SAW_SEGMENT_START_EXPRESSION_ to false.
5025         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
5026         and -Tbbs options to specify section addresses if given in
5027         command line and no SEGMENT_START expression is seen in a script.
5028         * script-sections.h (Script_sections::saw_segment_start_expression,
5029         Script_sections::set_saw_segment_start_expression): New method
5030         definition.
5031         (Script_sections::saw_segment_start_expression_): New data member
5032         declaration.
5033         * script.cc (script_saw_segment_start_expression): New function.
5034         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
5035         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
5036         script_test_7.sh and script_test_8.sh.
5037         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
5038         script_test_8.stdout.
5039         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
5040         (script_test_6, script_test_6.stdout, script_test_7,
5041         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
5042         * Makefile.in: Regenerate.
5043         * testsuite/script_test_6.sh: New file.
5044         * testsuite/script_test_6.t: Same.
5045         * testsuite/script_test_7.sh: Same.
5046         * testsuite/script_test_7.t: Same.
5047         * testsuite/script_test_8.sh: Same.
5049 2009-10-16  Doug Kwan  <dougkwan@google.com>
5051         * output.cc (Output_segment::set_section_list_address): Cast
5052         expressions to unsigned long long type to avoid format warnings.
5054 2009-10-15  Ian Lance Taylor  <iant@google.com>
5056         * script.cc (Script_options::add_symbol_assignment): Always add a
5057         dot assignment to script_sections_.
5058         * script-sections.cc (Script_sections::add_dot_assignment):
5059         Initialize if necessary.
5061         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
5062         program headers with no load segment if there is a linker script.
5064         * layout.cc (Layout::set_segment_offsets): Align the file offset
5065         to the segment aligment for -N or -n with no load segment.
5066         * output.cc (Output_segment::add_output_section): Don't crash if
5067         the first section is a TLS section.
5068         (Output_segment::set_section_list_addresses): Print an error
5069         message if the address moves backward in a linker script.
5070         * script-sections.cc
5071         (Output_section_element_input::set_section_addresses): Don't
5072         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
5073         (Orphan_output_section::set_section_addresses): Likewise.
5075 2009-10-15  Doug Kwan  <dougkwan@google.com>
5077         * layout.cc (Layout::finish_dynamic_section): Generate tags
5078         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
5079         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
5080         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
5082 2009-10-14  Ian Lance Taylor  <iant@google.com>
5084         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
5085         fields.
5086         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
5087         data_shdr fields of relinfo.
5088         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
5089         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
5090         R_386_TLS_LDO_32, adjust based on section flags.
5091         (Target_i386::Relocate::fix_up_ldo): Remove.
5093 2009-10-13  Ian Lance Taylor  <iant@google.com>
5095         Add support for -pie.
5096         * options.h (class General_options): Add -pie and
5097         --pic-executable.
5098         (General_options::output_is_position_independent): Test -pie.
5099         (General_options::output_is_executable): Return true if not shared
5100         and not relocatable.
5101         (General_options::output_is_pie): Remove.
5102         * options.cc (General_options::finalize): Reject incompatible uses
5103         of -pie.
5104         * gold.cc (queue_middle_tasks): A -pie link is not static.
5105         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
5106         * symtab.cc (Symbol::final_value_is_known): Return false if
5107         output_is_position_independent.
5108         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
5109         output_is_position_independent.
5110         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
5111         output_is_position_independent.
5112         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
5113         output_is_position_independent.
5114         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
5115         two_file_pie_test.
5116         (basic_pie_test.o, basic_pie_test): New targets.
5117         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
5118         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
5119         (two_file_pie_test): New target.
5120         * testsuite/Makefile.in: Rebuild.
5121         * README: Remove note saying that -pie is not supported.
5123 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5125         * options.h (class General_options): Add -init and -fini.
5126         * layout.cc (Layout::finish_dynamic_section): Emit
5127         given init and fini functions.
5129 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
5131         * gc.h (gc_process_relocs): Check if icf is enabled using new
5132         function.
5133         * gold.cc (queue_initial_tasks): Likewise.
5134         (queue_middle_tasks): Likewise.
5135         * object.cc (do_layout): Likewise.
5136         * symtab.cc (is_section_folded): Likewise.
5137         * main.cc (main): Likewise.
5138         * reloc.cc (Read_relocs::run): Likewise.
5139         (Sized_relobj::do_scan_relocs): Likewise.
5140         * icf.cc (is_function_ctor_or_dtor): New function.
5141         (Icf::find_identical_sections): Check if function is ctor or dtor when
5142         safe icf is chosen.
5143         * options.h (General_options::icf): Change option to be an enum.
5144         (Icf_status): New enum.
5145         (icf_enabled): New method.
5146         (icf_safe_folding): New method.
5147         (set_icf_status): New method.
5148         (icf_status_): New variable.
5149         * (options.cc) (General_options::finalize): Set icf_status_.
5150         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
5151         icf_test and icf_keep_unique_test to use the --icf enum flag.
5152         * testsuite/icf_safe_test.sh: New file.
5153         * testsuite/icf_safe_test.cc: New file.
5155 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
5157         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
5158         includes to gc.h and icf.h.
5159         * arm.cc: Include gc.h.
5160         * gold.cc: Likewise.
5161         * i386.cc: Likewise.
5162         * powerpc.cc: Likewise.
5163         * sparc.cc: Likewise.
5164         * x86_64.cc: Likewise.
5165         * gc.h: Include icf.h.
5167 2009-10-11  Ian Lance Taylor  <iant@google.com>
5169         * plugin.cc: Include "gold.h" before other header files.
5171 2009-10-10  Chris Demetriou  <cgd@google.com>
5173         * options.h (Input_file_argument::Input_file_type): New enum.
5174         (Input_file_argument::is_lib_): Replace with...
5175         (Input_file_argument::type_): New member.
5176         (Input_file_argument::Input_file_argument): Take Input_file_type
5177         'type' rather than boolean 'is_lib' as second argument.
5178         (Input_file_argument::is_lib): Use type_.
5179         (Input_file_argument::is_searched_file): New function.
5180         (Input_file_argument::may_need_search): Handle is_searched_file.
5181         * options.cc (General_options::parse_library): Support -l:filename.
5182         (General_options::parse_just_symbols): Update for Input_file_argument
5183         changes.
5184         (Command_line::process): Likewise.
5185         * archive.cc (Archive::get_file_and_offset): Likewise.
5186         * plugin.cc (Plugin_manager::release_input_file): Likewise.
5187         * script.cc (read_script_file, script_add_file): Likewise.
5188         * fileread.cc (Input_file::Input_file): Likewise.
5189         (Input_file::will_search_for): Handle is_searched_file.
5190         (Input_file::open): Likewise.
5191         * readsyms.cc (Read_symbols::get_name): Likewise.
5192         * testsuite/Makefile.am (searched_file_test): New test.
5193         * testsuite/Makefile.in: Regenerate.
5194         * testsuite/searched_file_test.cc: New file.
5195         * testsuite/searched_file_test_lib.cc: New file.
5197 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5198             Ian Lance Taylor  <iant@google.com>
5200         * descriptor.cc: Include <cstdio> and "binary-io.h".
5201         (Descriptors::open): Open the files in binary mode always.
5202         * script.cc (Lex::get_token): Treat \r as whitespace.
5204 2009-10-09  Ian Lance Taylor  <iant@google.com>
5206         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5208 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5209             Ian Lance Taylor  <iant@google.com>
5211         * configure.ac: Check for readv function also.
5212         * fileread.cc (readv): Define if not HAVE_READV.
5213         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5214         does not exist.
5215         * config.in: Regenerate.
5216         * configure: Regenerate.
5218 2009-10-09  Doug Kwan  <dougkwan@google.com>
5220         * layout.cc (Layout::make_output_section): Call target hook to make
5221         ordinary output section.
5222         (Layout::finalize): Adjust parameter list of call the
5223         Target::may_relax().
5224         * layout.h (class Layout::section_list): New method.
5225         * merge.h (Output_merge_base::entsize): Change visibility to public.
5226         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5227         New methods.
5228         (Output_merge_string::do_is_string): New method.
5229         * object.cc (Sized_relobj::do_setup): renamed from
5230         Sized_relobj::set_up.
5231         * object.h (Sized_relobj::adjust_shndx,
5232         Sized_relobj::initializ_input_to_output_maps,
5233         Sized_relobj::free_input_to_output_maps): Change visibilities to
5234         protected.
5235         (Sized_relobj::setup): Virtualize.
5236         (Sized_relobj::do_setup): New method declaration.
5237         (Sized_relobj::invalidate_section_offset,
5238         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5239         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5240         * options.cc (parse_int): New function.
5241         * options.h (parse_int): New declaration.
5242         (DEFINE_int): New macro.
5243         (stub_group_size): New option.
5244         * output.cc (Output_section::Output_section): Initialize memebers
5245         merge_section_map_, merge_section_by_properties_map_,
5246         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5247         (Output_section::add_input_section): Handled deferred code-fill
5248         generation and remove an old comment.
5249         (Output_section::add_relaxed_input_section): New method definition.
5250         (Output_section::add_merge_input_section): Use merge section by
5251         properties map to speed to search.  Update merge section maps
5252         as appropriate.
5253         (Output_section::build_relaxation_map): New method definition.
5254         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5255         Same.
5256         (Output_section::relax_input_section): Renamed to
5257         Output_section::convert_input_sections_to_relaxed_sections and change
5258         interface to take a vector of pointers to relaxed sections.
5259         (Output_section::find_merge_section,
5260         Output_section::find_relaxed_input_section): New method definitions.
5261         (Output_section::is_input_address_mapped,
5262         Output_section::output_offset, Output_section::output_address):
5263         Use output section data maps to speed up searching.
5264         (Output_section::find_starting_output_address): Add comments.
5265         (Output_section::do_write,
5266         Output_section::write_to_postprocessing_buffer): Do code-fill
5267         generation as appropriate.
5268         (Output_section::get_input_sections): Invalidate relaxed input section
5269         map.
5270         (Output_section::restore_states): Adjust type of checkpoint .
5271         Invalidate relaxed input section map.
5272         * output.h (Output_merge_base): New class declaration.
5273         (Input_section_specifier): New class defintion.
5274         (class Output_relaxed_input_section) Change base class to
5275         Output_section_data_build.
5276         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5277         base class initializer.
5278         (Output_section::add_relaxed_input_section): New method declaration.
5279         (Output_section::Input_section): Change visibility to protected.
5280         (Output_section::Input_section::relobj,
5281         Output_section::Input_section::shndx): Handle relaxed input sections.
5282         Output_section::input_sections) Change visibility to protected.  Also
5283         define overload to return a non-const pointer.
5284         (Output_section::Merge_section_properties): New class defintion.
5285         (Output_section::Merge_section_by_properties_map,
5286         Output_section::Output_section_data_by_input_section_map,
5287         Output_section::Relaxation_map): New types.
5288         (Output_section::relax_input_section): Rename method to
5289         Output_section::convert_input_sections_to_relaxed_sections and change
5290         interface to take a vector of relaxed section pointers.
5291         (Output_section::find_merge_section,
5292         Output_section::find_relaxed_input_section,
5293         Output_section::build_relaxation_map,
5294         Output_section::convert_input_sections_in_list_to_relaxed_sections):
5295         New method declarations.
5296         (Output_section::merge_section_map_
5297         Output_section::merge_section_by_properties_map_,
5298         Output_section::relaxed_input_section_map_,
5299         Output_section::is_relaxed_input_section_map_valid_,
5300         Output_section::generate_code_fills_at_write_): New data members.
5301         * script-sections.cc
5302         (Output_section_element_input::set_section_addresses): Call
5303         current_data_size and addralign methods of relaxed input sections.
5304         (Orphan_output_section::set_section_addresses): Call current_data_size
5305         and addralign methods of relaxed input sections.
5306         * symtab.cc (Symbol_table::compute_final_value): Extract template
5307         from the body of Symbol_table::sized_finalize_symbol.
5308         (Symbol_table::sized_finalized_symbol): Call
5309         Symbol_table::compute_final_value.
5310         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
5311         (Symbol_table::compute_final_value): New templated method declaration.
5312         * target.cc (Target::do_make_output_section): New method defintion.
5313         * target.h (Target::make_output_section): New method declaration.
5314         (Target::relax): Add more parameters for input objects, symbol table
5315         and layout.  Adjust call to do_relax.
5316         (Target::do_make_output_section): New method declaration.
5317         (Target::do_relax): Add parameters for input objects, symbol table
5318         and layout.
5320 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5322         * pread.c: Include stdio.h.
5324 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5326         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
5327         defined.
5329 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5331         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5332         Change read_shndx type to unsigned int.
5333         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5334         int.
5335         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5336         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
5337         Change read_shndx type to unsigned int.
5338         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5339         int.
5340         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5341         * layout.cc (Layout::create_symtab_sections): Cast the result of
5342         local_symcount * symsize to off_t in the gold_assert.
5344 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5346         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
5347         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
5348         R_ARM_BASE_ABS.
5349         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
5350         (Arm_relocate_functions::thm_abs5): New function.
5351         (Arm_relocate_functions::abs12): New function.
5352         (Arm_relocate_functions::abs16): New function.
5353         (Arm_relocate_functions::base_abs): New function.
5354         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
5355         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
5356         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
5357         R_ARM_BASE_ABS.
5358         (Scan::global): Likewise.
5359         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
5360         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
5361         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
5362         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
5363         R_ARM_BASE_ABS.
5365 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5367         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
5368         (Arm_relocate_functions::movt_prel): New function.
5369         (Arm_relocate_functions::thm_movw_prel_nc): New function.
5370         (Arm_relocate_functions::thm_movt_prel): New function.
5371         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
5372         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
5373         (Scan::global, Relocate::relocate): Likewise.
5374         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5376 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5378         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
5379         Incremental_checker.
5380         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
5381         unsigned int.
5382         (class Incremental_inputs_header): New class.
5383         (Incremental_inputs_header_writer): Edit comment.
5384         (Incremental_inputs_entry): New class.
5385         (Incremental_inputs_entry_writer): Edit comment.
5386         (Sized_incremental_binary::do_find_incremental_inputs_section):
5387         Add *strtab_shndx parameter, fill it.
5388         (Sized_incremental_binary::do_check_inputs): New method.
5389         (Incremental_checker::can_incrementally_link_output_file): Use
5390         Sized_incremental_binary::check_inputs.
5391         (Incremental_inputs::report_command_line): Save command line in
5392         command_line_.
5393         * incremental.h:
5394         (Incremental_binary::find_incremental_inputs_section): New
5395         method.
5396         (Incremental_binary::do_find_incremental_inputs_section): Add
5397         strtab_shndx parameter.
5398         (Incremental_binary::do_check_inputs): New pure virtual method.
5399         (Sized_incremental_binary::do_check_inputs): Declare.
5400         (Incremental_checker::Incremental_checker): Add incremental_inputs
5401         parameter, use it to initialize incremental_inputs_.
5402         (Incremental_checker::incremental_inputs_): New field.
5403         (Incremental_checker::command_line): New method.
5404         (Incremental_checker::inputs): New method.
5405         (Incremental_checker::command_line_): New field.
5407 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5409         * incremental.cc: Include <cstdarg> and "target-select.h".
5410         (vexplain_no_incremental): New function.
5411         (explain_no_incremental): New function.
5412         (Incremental_binary::error): New method.
5413         (Sized_incremental_binary::do_find_incremental_inputs_section): New
5414         method.
5415         (make_sized_incremental_binary): New function.
5416         (open_incremental_binary): New function.
5417         (can_incrementally_link_file): Add checks if output is ELF and has
5418         inputs section.
5419         * incremental.h: Include "elfcpp_file.h" and "output.h".
5420         (Incremental_binary): New class.
5421         (Sized_incremental_binary): New class.
5422         (open_incremental_binary): Declare.
5423         * object.cc (is_elf_object): Use
5424         elfcpp::Elf_recognizer::is_elf_file.
5425         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
5426         * output.h (Output_file::filesize): New method.
5428 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5430         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
5431         New function.
5432         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
5433         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
5434         function.
5435         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
5436         function.
5437         (Arm_relocate_functions::movw_abs_nc): New function.
5438         (Arm_relocate_functions::movt_abs): New function.
5439         (Arm_relocate_functions::thm_movw_abs_nc): New function.
5440         (Arm_relocate_functions::thm_movt_abs): New function.
5441         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
5442         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
5443         (Scan::global): Likewise.
5444         (Relocate::relocate): Likewise.
5445         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5447 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5449         * arm.cc (Arm_relocate_functions::got_prel) New function.
5450         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5451         (Relocate::relocate): Likewise.
5452         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5454 2009-10-06  Ian Lance Taylor  <iant@google.com>
5456         * options.h (class General_options): Define
5457         split_stack_adjust_size parameter.
5458         * object.h (class Object): Add uses_split_stack_ and
5459         has_no_split_stack_ fields.  Add uses_split_stack and
5460         has_no_split_stack accessor functions.  Declare
5461         handle_split_stack_section.
5462         (class Reloc_symbol_changes): Define.
5463         (class Sized_relobj): Define Function_offsets.  Declare
5464         split_stack_adjust, split_stack_adjust_reltype, and
5465         find_functions.
5466         * object.cc (Object::handle_split_stack_section): New function.
5467         (Sized_relobj::do_layout): Call handle_split_stack_section.
5468         * dynobj.cc (Sized_dynobj::do_layout): Call
5469         handle_split_stack_section.
5470         * reloc.cc (Sized_relobj::relocate_sections): Call
5471         split_stack_adjust for executable sections in split_stack
5472         objects.  Pass reloc_map to relocate_section.
5473         (Sized_relobj::split_stack_adjust): New function.
5474         (Sized_relobj::split_stack_adjust_reltype): New function.
5475         (Sized_relobj::find_functions): New function.
5476         * target-reloc.h: Include "object.h".
5477         (relocate_section): Add reloc_symbol_changes parameter.  Change
5478         all callers.
5479         * target.h (class Target): Add calls_non_split method.  Declare
5480         do_calls_non_split virtual method.  Declare match_view and
5481         set_view_to_nop.
5482         * target.cc: Include "elfcpp.h".
5483         (Target::do_calls_non_split): New function.
5484         (Target::match_view): New function.
5485         (Target::set_view_to_nop): New function.
5486         * gold.cc (queue_middle_tasks): Give an error if mixing
5487         split-stack and non-split-stack objects with -r.
5488         * i386.cc (Target_i386::relocate_section): Add
5489         reloc_symbol_changes parameter.
5490         (Target_i386::do_calls_non_split): New function.
5491         * x86_64.cc (Target_x86_64::relocate_section): Add
5492         reloc_symbol_changes parameter.
5493         (Target_x86_64::do_calls_non_split): New function.
5494         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5495         parameter.
5496         * powerpc.cc (Target_powerpc::relocate_section): Add
5497         reloc_symbol_changes parameter.
5498         * sparc.cc (Target_sparc::relocate_section): Add
5499         reloc_symbol_changes parameter.
5500         * configure.ac: Call AM_CONDITIONAL for the default target.
5501         * configure: Rebuild.
5502         * testsuite/Makefile.am (TEST_AS): New variable.
5503         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5504         (check_DATA): Add split_i386 and split_x86_64 files.
5505         (SPLIT_DEFSYMS): Define.
5506         (split_i386_[1234n].o): New targets.
5507         (split_i386_[124]): New targets.
5508         (split_i386_[1234r].stdout): New targets.
5509         (split_x86_64_[1234n].o): New targets.
5510         (split_x86_64_[124]): New targets.
5511         (split_x86_64_[1234r].stdout): New targets.
5512         (MOSTLYCLEANFILES): Add new executables.
5513         * testsuite/split_i386.sh: New file.
5514         * testsuite/split_x86_64.sh: New file.
5515         * testsuite/split_i386_1.s: New file.
5516         * testsuite/split_i386_2.s: New file.
5517         * testsuite/split_i386_3.s: New file.
5518         * testsuite/split_i386_4.s: New file.
5519         * testsuite/split_i386_n.s: New file.
5520         * testsuite/split_x86_64_1.s: New file.
5521         * testsuite/split_x86_64_2.s: New file.
5522         * testsuite/split_x86_64_3.s: New file.
5523         * testsuite/split_x86_64_4.s: New file.
5524         * testsuite/split_x86_64_n.s: New file.
5525         * testsuite/testfile.cc (Target_test): Update relocation_section
5526         function.
5527         * testsuite/Makefile.in: Rebuild.
5529 2009-10-06  Ian Lance Taylor  <iant@google.com>
5531         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5532         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5533         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5534         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5535         the address on ldo_addrs_.
5536         (Target_i386::Relocate::fix_up_ldo): New function.
5538 2009-10-06   Rafael Espindola  <espindola@google.com>
5540         * plugin.cc (add_input_library): New.
5541         (Plugin::load): Add add_input_library to tv.
5542         (Plugin_manager::add_input_file): Add the is_lib argument.
5543         (add_input_file): Update call to Plugin_manager::add_input_file.
5544         (add_input_library): New.
5545         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5547 2009-09-30  Doug Kwan  <dougkwan@google.com>
5549         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5550         symbol and call Symbol::may_need_copy_reloc to determine if
5551         a copy reloc is needed.
5552         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5553         nocopyreloc is given in command line.
5554         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5555         given in command line.
5556         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5557         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5558         of the removed Target_i386::may_need_copy_reloc.
5559         * options.h (copyreloc): New option with default value false.
5560         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5561         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5562         instead of the removed Target_powerpc::may_need_copy_reloc.
5563         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5564         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5565         instead of the removed Target_sparc::may_need_copy_reloc.
5566         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5567         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5568         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5569         instead of the removed Target_x86_64::may_need_copy_reloc.
5571 2009-09-30  Ian Lance Taylor  <iant@google.com>
5573         * object.h (class Object): Remove target_ field, and target,
5574         sized_target, and set_target methods.
5575         (Object::sized_target): Remove.
5576         (class Sized_relobj): Update declarations.  Remove sized_target.
5577         * object.cc (Sized_relobj::setup): Remove target parameter.
5578         Change all callers.
5579         (Input_objects::add_object): Don't do anything with the target.
5580         (make_elf_sized_object): Add punconfigured parameter.  Change all
5581         callers.  Set or test parameter target.
5582         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5583         Change all callers.
5584         * parameters.cc (Parameters::set_target): Change parameter type to
5585         be non-const.
5586         (Parameters::default_target): Remove.
5587         (set_parameters_target): Change parameter type to be non-const.
5588         (parameters_force_valid_target): New function.
5589         (parameters_clear_target): New function.
5590         * parameters.h (class Parameters): Update declarations.  Remove
5591         default_target method.  Add sized_target and clear_target
5592         methods.  Change target_ to be non-const.
5593         (set_parameters_target): Update declaration.
5594         (parameters_force_valid_target): Declare.
5595         (parameters_clear_target): Declare.
5596         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5597         as NULL if we aren't searching.
5598         (Add_symbols::run): Don't check for compatible target.
5599         * fileread.cc (Input_file::open_binary): Call
5600         parameters_force_valid_target.
5601         * gold.cc (queue_middle_tasks): Likewise.
5602         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5603         set_target on object.
5604         * dynobj.h (class Sized_dynobj): Update declarations.
5605         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5606         make_elf_object returns NULL.
5607         (Archive::include_member): Don't check whether object target is
5608         compatible.
5609         * output.cc (Output_section::add_input_section): Get target from
5610         parameters.
5611         (Output_section::relax_input_section): Likewise.
5612         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5613         parameters.
5614         (Sized_relobj::do_scan_relocs): Likewise.
5615         (Sized_relobj::relocate_sections): Likewise.
5616         * resolve.cc (Symbol_table::resolve): Likewise.
5617         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5618         parameter.  Change all callers.
5619         (Symbol_table::add_from_object): Get target from parameters.
5620         (Symbol_table::add_from_relobj): Don't check object target.
5621         (Symbol_table::add_from_dynobj): Likewise.
5622         (Symbol_table::define_special_symbol): Get target from
5623         parameters.
5624         * symtab.h (class Symbol_table): Update declaration.
5625         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5626         parameter.  Change all callers.  Clear parameter target.
5627         (Binary_test): Test target here.
5628         * testsuite/object_unittest.cc (gold_testsuite): Remove
5629         target_test_pointer parameter.  Change all callers.
5630         (Object_test): Test target here.
5632 2009-09-26  Ian Lance Taylor  <iant@google.com>
5634         * testsuite/initpri1.c: Don't try to use constructor priorities if
5635         compiling with gcc before 4.3.
5637 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5639         * testsuite/retain_symbols_file_test.sh (check_present): Change
5640         output file name to retain_symbols_file_test.stdout.
5641         (check_absent): Likewise.
5643 2009-09-18  Craig Silverstein  <csilvers@google.com>
5645         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5646         * options.cc: Include <cerrno> and <fstream>.
5647         (General_options::finalize): Parse -retain-symbols-file tag.
5648         * options.h: New flag.
5649         (General_options): New method should_retain_symbol, new
5650         variable symbols_to_retain.
5651         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5652         should_retain_symbol map.
5653         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5654         * testsuite/Makefile.in: Regenerate.
5655         * testsuite/retain_symbols_file_test.sh: New file.
5657 2009-09-18  Nick Clifton  <nickc@redhat.com>
5659         * po/es.po: Updated Spanish translation.
5661 2009-09-17  Doug Kwan  <dougkwan@google.com>
5663         * debug.h (DEBUG_RELAXATION): New constant.
5664         (DEBUG_ALL): Add DEBUG_RELAXATION.
5665         (debug_string_to_enum): Add relaxation debug option.
5666         * layout.cc
5667         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5668         Layout::Relaxation_debug_check::read_sections,
5669         Layout::Relaxation_debug_check::read_sections): New method definitions.
5670         (Layout::Layout): Initialize data members
5671         record_output_section_data_from_scrips_,
5672         script_output_section_data_list_ and relaxation_debug_check_.
5673         (Layout::save_segments, Layout::restore_segments,
5674         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5675         Layout::relaxation_loop_body): New method definitions.
5676         (Layout::finalize): Support relaxation.  Move section layout code to
5677         Layout::relaxation_loop_body.
5678         (Layout::set_asection_address_from_script): Move code for orphan
5679         section placement out.
5680         (Layout::place_orphan_sections_in_script): New method definition.
5681         * layout.h (Output_segment_headers, Output_file_header):
5682         New forward class declarations.
5683         (Layout::~Layout): Define.
5684         (Layout::new_output_section_data_from_script): New method definition.
5685         (Layout::place_orphan_sections_in_script): New method declaration.
5686         (Layout::Segment_states): New type declaration.
5687         (Layout::save_segments, Layout::restore_segments,
5688         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5689         Layout::relaxation_loop_body): New method declarations.
5690         (Layout::Output_section_data_list): New type declaration.
5691         (Layout::Relaxation_debug_check): New class definition.
5692         (Layout::record_output_section_data_from_script_,
5693         Layout::script_output_section_data_list_, Layout::segment_states_,
5694         Layout::relaxation_debug_check_): New data members.
5695         * output.cc: (Output_section_headers::do_size): New method definition.
5696         (Output_section_headers::Output_section_headers): Move size
5697         computation to Output_section_headers::do_size.
5698         (Output_segment_headers::do_size): New method definition.
5699         (Output_file_header::Output_file_header): Move size computation to
5700         Output_file_header::do_size and call it.
5701         (Output_file_header::do_size): New method definition.
5702         (Output_data_group::Output_data_group): Adjust call to
5703         Output_section_data.
5704         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5705         (Output_symtab_xindex::do_write): Add array bound check.
5706         (Output_section::Input_section::print_to_mapfile): Handle
5707         RELAXED_INPUT_SECTION_CODE.
5708         (Output_section::Output_section): Initialize data member checkpoint_.
5709         (Output_section::~Output_section): Delete checkpoint object pointed
5710         by checkpoint_.
5711         (Output_section::add_input_section): Always add an Input_section if
5712         relaxing.
5713         (Output_section::add_merge_input_section): Add assert.
5714         (Output_section::relax_input_section): New method definition.
5715         (Output_section::set_final_data_size): Set load address to zero for
5716         an unallocated section.
5717         (Output_section::do_address_and_file_offset_have_reset_values):
5718         New method definition.
5719         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5720         Handle relaxed input section.
5721         (Output_section::sort_attached_input_sections): Checkpoint input
5722         section list lazily.
5723         (Output_section::get_input_sections): Change type of input_sections to
5724         list of Simple_input_section pointers.  Checkpoint input section list
5725         lazily.  Also handle relaxed input sections.
5726         (Output_section::add_input_section_for_script): Take a reference to
5727         a Simple_input_section object instead of Relobj pointer and section
5728         index as parameter.  Handle relaxed input sections.
5729         (Output_section::save_states, Output_section::restore_states): New
5730         method definitions.
5731         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5732         (Output_data::is_data_size_fixed): New method definition.
5733         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5734         if it is fixed.
5735         (Output_data::address_and_file_offset_have_reset_values): New method
5736         definition.
5737         (Output_data::do_address_and_file_offset_have_reset_values): New method
5738         definition.
5739         (Output_data::set_data_size): Check that data size is not fixed.
5740         (Output_data::fix_data_size): New method definition.
5741         (Output_data::is_data_size_fixed_): New data member.
5742         (Output_section_headers::set_final_data_size): New method definition.
5743         (Output_section_headers::do_size): New method declaration.
5744         (Output_segment_headers::set_final_data_size): New method definition.
5745         (Output_segment_headers::do_size): New method declaration.
5746         (Output_file_header::set_final_data_size)::New method definition.
5747         (Output_file_header::do_size)::New method declaration.
5748         (Output_section_data::Output_section_data): Add new parameter
5749         is_data_size_fixed and use it to fix data size.
5750         (Output_data_const::Output_data_const): Adjust call to base class
5751         constructor and fix data size.
5752         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5753         base class constructor and fix data size.
5754         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5755         base class constructor and fix data size.
5756         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5757         class constructor and fix data size.
5758         (Output_data_group::set_final_data_size): New method definition.
5759         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5760         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5761         class constructor and fix data size.
5762         (Output_relaxed_input_section): New class definition.
5763         (Output_section::Simple_input_section): New class definition.
5764         (Output_section::get_input_sections): Adjust parameter list.
5765         (Output_section::add_input_section_for_script): Same.
5766         (Output_section::save_states, Output_section::restore_states,
5767         Output_section::do_address_and_file_offset_have_reset_values,
5768         (Output_section::Input_section::Input_section): Handle
5769         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5770         Output_relaxed_input_section.
5771         (Output_section::Input_section::is_input_section,
5772         Output_section::Input_section::set_output_section): Handle relaxed
5773         input section.
5774         (Output_section::Input_section::is_relaxed_input_section,
5775         Output_section::Input_section::output_section_data,
5776         Output_section::Input_section::relaxed_input_section): New method
5777         definitions.
5778         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5779         value.
5780         (Output_section::Input_section::u1_): Update comments.
5781         (Output_section::Input_section::u2_): Add new union member poris.
5782         (Output_section::Checkpoint_output_section): New classs definition.
5783         (Output_section::relax_input_section): New method declaration.
5784         (Output_section::checkpoint_): New data member.
5785         (Output_segment): Update comments.
5786         (Output_segment::Output_segment): Un-privatize copy constructor.
5787         (Output_segment::operator=): Un-privatize.
5788         * script-sections.cc (Output_section_element::Input_section_list):
5789         Change element type to Output_section::Simple_input_section.
5790         (Output_section_element_dot_assignment::set_section_addresses):
5791         Register output section data for relaxation clean up.
5792         (Output_data_exression::Output_data_expression): Adjust call to base
5793         constructor to fix data size.
5794         (Output_section_element_data::set_section_addresses): Register
5795         Output_data_expression object for relaxation clean up.
5796         (struct Input_section_info): Replace Relobj pointer and section index
5797         pair with Output_section::Simple_input_section and Convert struct to a
5798         class.
5799         (Input_section_sorter::operator()): Adjust access to
5800         Input_section_info data member to use accessors.
5801         (Output_section_element_input::set_section_addresses): Use layout
5802         parameter.  Adjust code to use Output_section::Simple_input_section
5803         and Input_secction_info classes.  Register filler for relaxation
5804         clean up.
5805         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5806         and section index pair with Output_section::Simple_input_section
5807         class.  Adjust code accordingly.
5808         (Phdrs_element::release_segment): New method definition.
5809         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5810         segment list.
5811         (Script_sections::release_segments): New method definition.
5812         * gold/script-sections.h (Script_sections::release_segments): New
5813         method declaration.
5814         * gold/target.h (Target::may_relax, Target::relax,
5815         Target::do_may_relax, Target::do_relax): New method definitions.
5817 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5819         * arm.cc (has_signed_unsigned_overflow): New function.
5820         (Arm_relocate_functions::abs8): New function.
5821         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5822         (Target_arm::Scan::global): Likewise.
5823         (Target_arm::relocate::relocate): Likewise.
5824         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5825         Likewise.
5827 2009-09-16  Cary Coutant  <ccoutant@google.com>
5829         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5830         * testsuite/Makefile.in: Regenerate.
5832 2009-09-11  Nick Clifton  <nickc@redhat.com>
5834         * po/gold.pot: Updated by the Translation project.
5836 2009-09-08  Cary Coutant  <ccoutant@google.com>
5838         * output.cc (Output_file::open): Add execute permission to empty file.
5839         * testsuite/Makefile.am (permission_test): New test.
5840         * testsuite/Makefile.in: Regenerate.
5842 2009-09-02  Ian Lance Taylor  <iant@google.com>
5844         * output.cc (Output_file::resize): Call map_no_anonymous rather
5845         than map.
5847 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5849         * gold.cc: Include "incremental.h".
5850         (queue_initial_tasks): Call Incremental_checker methods.
5851         * incremental.cc: Include "output.h".
5852         (Incremental_checker::can_incrementally_link_output_file): New
5853         method.
5854         * incremental.h (Incremental_checker): New class.
5856         * output.cc (Output_file::open_for_modification): New method.
5857         (Output_file::map_anonymous): Changed return type to bool.  Record
5858         map in base_ field.
5859         (Output_file::map_no_anonymous): New method, broken out of map.
5860         (Output_file::map): Use map_no_anonymous and map_anonymous.
5861         * output.h (class Output_file): Update declarations.
5863 2009-08-24  Cary Coutant  <ccoutant@google.com>
5865         * options.h (Command_line::Pre_options): New class.
5866         (Command_line::pre_options): New member.
5867         * options.cc (gold::options::ready_to_register): New variable.
5868         (One_option::register_option): Do nothing if not registering options.
5869         Assert if same short option registered twice.
5870         (General_options::General_options): Turn off option registration when
5871         done constructing.
5872         (Command_line::Pre_options::Pre_options): New constructor.
5874 2009-08-24  Cary Coutant  <ccoutant@google.com>
5876         * options.h (General_options::no_keep_memory): Remove incorrect
5877         short option.
5879 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5881         * Makefile.am (am__skiplex, am__skipyacc): New.
5882         * Makefile.in: Regenerate.
5884 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5886         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5887         (INCLUDES): ... this.
5888         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5889         (AM_CPPFLAGS): Renamed from ...
5890         (INCLUDE): ... this.
5891         * Makefile.in, testsuite/Makefile.in: Regenerate.
5893         * Makefile.in: Regenerate.
5894         * aclocal.m4: Likewise.
5895         * config.in: Likewise.
5896         * configure: Likewise.
5897         * testsuite/Makefile.in: Likewise.
5899         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5900         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5901         * Makefile.in: Regenerate.
5902         * testsuite/Makefile.in: Regenerate.
5904 2009-08-19  Cary Coutant  <ccoutant@google.com>
5906         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5907         symbols in shared libraries overridden by hidden or internal symbols
5908         in the main program.
5910 2009-08-19  Chris Demetriou  <cgd@google.com>
5912         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5913         checking source file names in error messages.
5915 2009-08-18  Doug Kwan  <dougkwan@google.com>
5917         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5918         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5919         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5920         an elfcpp::Ehdr as parameter.
5921         * object.cc (Object::set_target): Remove the version that looks up
5922         a target and sets it.
5923         (Sized_relobj::setup): Take a Target object instead of
5924         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5925         (make_elf_sized_object): Find target and ask target to
5926         make an ELF object.
5927         * object.h: (Object::set_target): Remove the version that looks up
5928         a target and sets it.
5929         (Sized_relobj::setup): Take a Target object instead of
5930         an elfcpp:Ehdr as parameter.
5931         * target.cc: Include dynobj.h.
5932         (Target::do_make_elf_object_implementation): New.
5933         (Target::do_make_elf_object): New.
5934         * target.h (Target::make_elf_object): New template declaration.
5935         (Target::do_make_elf_object): New method declarations.
5936         (Target::do_make_elf_object_implementation): New template declaration.
5938 2009-08-14  Ian Lance Taylor  <iant@google.com>
5940         * gold.h (FUNCTION_NAME): Define.
5941         (gold_unreachable): Use FUNCTION_NAME.
5943 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5945         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5946         symbol in the --keep-unique list is not found.
5948 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5950         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5951         been maked as --keep-unique.
5952         (Icf::unfold_section): New function.
5953         * icf.h (Icf::unfold_section): New function.
5954         * options.h (General_options::keep_unique): New option.
5955         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5956         * testsuite/Makefile.in: Regenerate.
5957         * testsuite/icf_keep_unique_test.sh: New file.
5958         * testsuite/icf_keep_unique_test.cc: New file.
5960 2009-08-12  Cary Coutant  <ccoutant@google.com>
5962         PR 10471
5963         * resolve.cc (Symbol_table::resolve): Check for references from
5964         dynamic objects to hidden and internal symbols.
5965         * testsuite/Makefile.am (hidden_test.sh): New test.
5966         * testsuite/Makefile.in: Regenerate.
5967         * testsuite/hidden_test.sh: New script.
5968         * testsuite/hidden_test_1.c: New test source.
5969         * testsuite/hidden_test_main.c: New test source.
5971 2009-08-11  Doug Kwan  <dougkwan@google.com>
5973         * arm.cc: Update comments.
5974         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5975         segment to locate the .ARM.exidx section if present.
5977 2009-08-09  Doug Kwan  <dougkwan@google.com>
5979         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5980         patch.
5982 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5983         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5984         compiler warnings.
5986 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5988         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5989         valid tls_segment only for non-debug-section relocations.
5990         * testsuite/Makefile.am: Add gc_tls_test.
5991         * testsuite/Makefile.in: Regenerate.
5992         * testsuite/gc_tls_test.cc: New file.
5993         * testsuite/gc_tls_test.sh: New file.
5995 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5997         * icf.cc: New file.
5998         * icf.h: New file.
5999         * Makefile.am (CCFILES): Add icf.cc.
6000         (HFILES): Add icf.h
6001         * Makefile.in: Regenerate.
6002         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
6003         * gc.h (gc_process_relocs): Populate lists used by icf to contain
6004         section, symbol and addend information for the relocs.
6005         * gold.cc (queue_middle_tasks): Call identical code folding.
6006         * gold.h: Add defines for multimap.
6007         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
6008         to the call of finalize_local_symbols.
6009         * main.cc (main): Create object of class Icf.
6010         * object.cc (Sized_relobj::do_layout): Allow this function to be
6011         called twice during icf.
6012         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
6013         to sections marked as identical by icf.
6014         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
6015         when available.
6016         (Sized_relobj::do_section_entsize): New function.
6017         * object.h (Object::section_entsize): New function.
6018         (Object::do_section_entsize): New pure virtual function.
6019         (Relobj::finalize_local_symbols): Add new parameter.
6020         (Relobj::do_section_entsize): New function.
6021         * options.h (General_options::icf): New option.
6022         (General_options::icf_iterations): New option.
6023         (General_options::print_icf_sections): New option.
6024         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
6025         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
6026         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
6027         icf.
6028         * symtab.cc (Symbol_table::is_section_folded): New function.
6029         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
6030         to sections marked as identical by icf.
6031         * symtab.h (Symbol_table::set_icf): New function.
6032         (Symbol_table::icf): New function.
6033         (Symbol_table::is_section_folded): New function.
6034         (Symbol_table::icf_): New data member.
6035         * target-reloc.h (relocate_section): Ignore sections folded by icf.
6036         * testsuite/Makefile.am: Add commands to build icf_test.
6037         * testsuite/Makefile.in: Regenerate.
6038         * testsuite/icf_test.sh: New file.
6039         * testsuite/icf_test.cc: New file.
6041 2009-07-24  Chris Demetriou  <cgd@google.com>
6043         * layout.cc (is_compressible_debug_section): Fix incorrect
6044         comment about compressed section names.
6046 2009-07-20  Ian Lance Taylor  <ian@airs.com>
6048         PR 10419
6049         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
6051 2009-07-16  Ian Lance Taylor  <iant@google.com>
6053         PR 10400
6054         * layout.h: #include <map>.
6055         (class Kept_section): Change from struct to class.  Add accessors
6056         and setters.  Add section size to Comdat_group mapping.  Change
6057         Comdat_group to std::map.  Add is_comdat_ field.  Add
6058         linkonce_size field in union.
6059         (class Layout): Update declaration of find_or_add_kept_section.
6060         Don't declare find_kept_object.
6061         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
6062         parameter.  Add object, shndx, is_comdat, and is_group_name
6063         parameters.  Change all callers.  Adjust for new Kept_section.
6064         (Layout::find_kept_object): Remove.
6065         * object.cc (Sized_relobj::include_section_group): Update use of
6066         Kept_section.  Rename secnum to shndx.  Only record
6067         Kept_comdat_section if sections are the same size.
6068         (Sized_relobj::include_linkonce_section): Update use of
6069         Kept_section.  Only record Kept_comdat_section if sections are the
6070         same size.  Set size of linkonce section.
6071         (Sized_relobj::map_to_kept_section): Update call to
6072         get_kept_comdat_section.
6073         * object.h (class Sized_relobj): Rename fields in
6074         Kept_comdat_section to drop trailing underscores; change object
6075         field to Relobj*.  Change Kept_comdat_section_table to store
6076         struct rather than pointer.
6077         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
6078         Add kept_object and kept_shndx parameters.  Change all callers.
6079         (Sized_relobj::get_kept_comdat_section): Change return type to
6080         bool.  Add kept_object and kept_shndx parameters.  Change all
6081         callers.
6082         * plugin.cc (Pluginobj::include_comdat_group): Update call to
6083         Layout::find_or_add_kept_section.
6085 2009-07-09  Ian Lance Taylor  <iant@google.com>
6087         * merge.cc (Object_merge_map::initialize_input_to_output_map):
6088         Reserve space in the hash table.
6090 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
6092         * fileread.cc (File_read::get_mtime): New method.
6093         * fileread.h (Timespec): New structure.
6094         (File_read::get_mtime): New method.
6095         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
6096         Renamed from timestamp_nsec.
6097         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
6098         Elf_Xword.
6099         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
6100         timestamp_nsec.
6101         (Incremental_inputs::report_archive): Save mtime; style fix.
6102         (Incremental_inputs::report_obejct): Save mtime; style fix.
6103         (Incremental_inputs::report_script): Save mtime; style fix.
6104         (Incremental_inputs::finalize_inputs): Style fix.
6105         (Incremental_inputs::finalize): Style fix.
6106         (Incremental_inputs::create_input_section_data): Store inputs
6107         mtime.
6108         * incremental.h (Incremental_inputs::report_script): Add mtime
6109         argument.
6110         (Incremental_inputs::Input_info::Input_info): Intialize only one
6111         union member.
6112         (Incremental_inputs::Input_info::archive): Move to nameless
6113         union.
6114         (Incremental_inputs::Input_info::obejct): Move to nameless union.
6115         (Incremental_inputs::Input_info::script): Move to nameless union.
6116         (Incremental_inputs::mtime): New field.
6117         * script.cc (read_input_script): Pass file mtime to
6118         Incremental_input.
6119         * script.h (Script_info::inputs): Style fix.
6121 2009-07-01  Ian Lance Taylor  <ian@airs.com>
6123         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
6124         instead of 32.
6126 2009-06-24  Ian Lance Taylor  <iant@google.com>
6128         PR 10156
6129         * layout.cc (Layout::choose_output_section): If we find an
6130         existing section, update the flags.
6131         (Layout::create_notes): New function, broken out of
6132         Layout::finalize.
6133         (Layout::finalize): Don't create note sections.
6134         (Layout::create_note): Don't crash if linker script discards
6135         section.
6136         (Layout::create_gold_note): Likewise.
6137         (Layout::create_build_id): Likewise.  Don't set
6138         after_input_sections on the section.
6139         (Layout::create_executable_stack_info): Remove target parameter.
6140         Change caller.
6141         * layout.h (class Layout): Declare create_notes.  Update
6142         declaration of create_executable_stack_info.
6143         * gold.cc (queue_middle_tasks): Call create_notes.
6144         * output.cc (Output_section::update_flags_for_input_section): Move
6145         here from output.h.  If SHF_ALLOC flag is newly set, mark address
6146         invalid.
6147         * output.h (Output_data::mark_address_invalid): New function.
6148         (class Output_section): Only declare, not define,
6149         update_flags_for_input_section.  Remove set_flags.
6151 2009-06-24  Ian Lance Taylor  <iant@google.com>
6153         * script-sections.cc (Output_section_definition::
6154         set_section_addresses): Rename shadowing local load_address to
6155         laddr.
6157 2009-06-24  Ian Lance Taylor  <iant@google.com>
6159         PR 10244
6160         * reloc.cc (relocate_sections): Skip empty relocation sections.
6162 2009-06-23  Ian Lance Taylor  <iant@google.com>
6164         PR 10156
6165         * layout.cc (Layout::create_note): Use choose_output_section
6166         rather than make_output_section.
6168 2009-06-23  Ian Lance Taylor  <iant@google.com>
6170         PR 10237
6171         * options.cc (General_options::parse_V): Set printed_version_.
6172         (General_options::General_options): Initialize printed_version_.
6173         * options.h (class General_options): Add printed_version_ field.
6174         * gold.cc (queue_initial_tasks): If there are no input files,
6175         don't give a fatal error if we printed the version information.
6176         (queue_middle_tasks): If using -r with a shared object, give a
6177         fatal error rather than an ordinary error.
6179 2009-06-23  Ian Lance Taylor  <iant@google.com>
6181         PR 10219
6182         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
6183         (Layout::make_output_section): Set have_stabstr_section_ if we see
6184         a .stab*str section.
6185         (Layout::finalize): Call link_stabs_sections.
6186         (Layout::link_stabs_sections): New file.
6187         * layout.h (class Layout): Add have_stabstr_section_ field.
6188         Declare link_stabs_sections.
6190 2009-06-23  Doug Kwan  <dougkwan@google.com>
6192         * Makefile.am (libgold_a_LIBADD): New.
6193         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6194         * Makefile.in: Regenerate.
6195         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6196         * configure: Regenerate.
6197         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6198         * fileread.cc: Include sys/state.h
6199         * gold.h: Declare memmem and strndup if found missing.
6200         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6202 2009-06-23  Ian Lance Taylor  <iant@google.com>
6204         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6205         * configure: Rebuild.
6207 2009-06-23  Ian Lance Taylor  <iant@google.com>
6209         PR 10147
6210         * object.cc (Object::section_contents): Don't try to get a view if
6211         the section has length zero.
6212         (Object::handle_gnu_warning_section): If the section is empty, use
6213         the name of the section as the warning.
6215 2009-06-23  Ian Lance Taylor  <iant@google.com>
6217         PR 10133
6218         * stringpool.h (class Stringpool_template): Add optimize_ field.
6219         (Stringpool_template::set_optimize): New function.
6220         * stringpool.cc (Stringpool_template::Stringpool_template):
6221         Initialize optimize_ field.
6222         (Stringpool_template::set_string_offsets): Test local optimize
6223         fild rather than parameter.
6224         * layout.cc (Layout::Layout): Call set_optimize on the section
6225         name stringpool.
6227 2009-06-22  Ian Lance Taylor  <iant@google.com>
6229         PR 10030
6230         * yyscript.y: Parse TARGET.
6231         * script.cc (script_set_target): New function.
6232         * script-c.h (script_set_target): Declare.
6233         * options.cc (General_options::string_to_object_format): Rename
6234         from string_to_object_format in anonymous namespace.  Change
6235         callers.
6236         * options.h (class General_options): Declare
6237         string_to_object_format.
6239 2009-06-22  Ian Lance Taylor  <iant@google.com>
6241         * script-sections.cc (Script_sections::create_segments): Don't put
6242         program headers in a PT_LOAD segment if -n or -N.
6244 2009-06-22  Ian Lance Taylor  <iant@google.com>
6246         PR 10141
6247         * options.h (class General_options): Add -z lazy and -z now.  Sort
6248         -z options into alphabetical order.
6249         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6251 2009-06-21  Ian Lance Taylor  <iant@google.com>
6253         * layout.cc (Layout::make_output_section): Call
6254         Target::new_output_section.
6255         (Layout::attach_allocated_section_to_segment): Put large section
6256         sections in a separate load segment with the large segment flag
6257         set.
6258         (Layout::segment_precedes): Sort large data segments after other
6259         load segments.
6260         (align_file_offset): New static function.
6261         (Layout::set_segment_offsets): Use align_file_offset.
6262         * output.h (class Output_section): Add is_small_section_ and
6263         is_large_section_ fields.
6264         (Output_section::is_small_section): New function.
6265         (Output_section::set_is_small_section):  New function.
6266         (Output_section::is_large_section): New function.
6267         (Output_section::set_is_large_section): New function.
6268         (Output_section::is_large_data_section): New function.
6269         (class Output_segment): Add is_large_data_segment_ field.
6270         (Output_segment::is_large_data_segment): New function.
6271         (Output_segment::set_is_large_data_segment): New function.
6272         * output.cc (Output_section::Output_section): Initialize new
6273         fields.
6274         (Output_segment::Output_segment): Likewise.
6275         (Output_segment::add_output_section): Add assertion that large
6276         data sections always go in large data segments.  Force small data
6277         sections to the end of the list of data sections.  Force small BSS
6278         sections to the start of the list of BSS sections.  For large BSS
6279         sections to the end of the list of BSS sections.
6280         * symtab.h (class Symbol): Declare is_common_shndx.
6281         (Symbol::is_defined): Check Symbol::is_common_shndx.
6282         (Symbol::is_common): Likewise.
6283         (class Symbol_table): Define enum Commons_section_type.  Update
6284         declarations.  Add small_commons_ and large_commons_ fields.
6285         * symtab.cc (Symbol::is_common_shndx): New function.
6286         (Symbol_table::Symbol_table): Initialize new fields.
6287         (Symbol_table::add_from_object): Put small and large common
6288         symbols in the right list.
6289         (Symbol_table::sized_finalized_symbol): Check
6290         Symbol::is_common_shndx.
6291         (Symbol_table::sized_write_globals): Likewise.
6292         * common.cc (Symbol_table::do_allocate_commons): Allocate new
6293         common symbol lists.  Don't call do_allocate_commons_list if the
6294         list is empty.
6295         (Symbol_table::do_allocate_commons_list): Remove is_tls
6296         parameter.  Add comons_section_type parameter.  Change all
6297         callers.  Handle small and large common symbols.
6298         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
6299         Symbol::is_common_shndx.
6300         * resolve.cc (symbol_to_bits): Likewise.
6301         * target.h (Target::small_common_shndx): New function.
6302         (Target::small_common_section_flags): New function.
6303         (Target::large_common_shndx): New function.
6304         (Target::large_common_section_flags): New function.
6305         (Target::new_output_section): New function.
6306         (Target::Target_info): Add small_common_shndx, large_common_shndx,
6307         small_common_section_flags, and large_common_section_flags
6308         fields.
6309         (Target::do_new_output_section): New virtual function.
6310         * arm.cc (Target_arm::arm_info): Initialize new fields.
6311         * i386.cc (Target_i386::i386_info): Likewise.
6312         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6313         Likewise.
6314         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
6315         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6316         (Target_x86_64::do_new_output_section): New function.
6317         * configure.ac: Define conditional MCMODEL_MEDIUM.
6318         * testsuite/Makefile.am (check_PROGRAMS): Add large.
6319         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
6320         (large_LDFLAGS): Define.
6321         * testsuite/large.c: New file.
6322         * testsuite/testfile.cc (Target_test::test_target_info):
6323         Initialize new fields.
6324         * configure, testsuite/Makefile.in: Rebuild.
6326 2009-06-05  Doug Kwan  <dougkwan@google.com>
6328         * Makefile.am (CCFILES): Add target.cc.
6329         * Makefile.in: Regenerate.
6330         * i386.cc (class Target_i386): Define new virtual method to
6331         override do_is_local_label_name in parent.
6332         * object.cc (Sized_relobj::do_count_local_symbols): Discard
6333         local symbols if --discard-locals or -X is given.
6334         * options.h (class General_options): Declare new options
6335         '--discard-locals' and '-X' for discarding locals.
6336         * target.h (class Target): Define new methods is_local_label_name.
6337         Declare new virtual method do_is_local_label_name.
6338         * target.cc: New file.
6339         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
6340         (check_SCRIPTS): Add discard_locals_test.sh.
6341         (check_DATA): Add discard_local_tests.syms.
6342         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
6343         (discard_local_tests.syms, discard_locals_test.o): New make rules.
6344         * testsuite/Makefile.in: Regenerate.
6345         * testsuite/discard_locals_test.c: New file.
6346         * testsuite/discard_locals_test.sh: Same.
6348 2009-06-05  Doug Kwan  <dougkwan@google.com>
6350         * object.cc (Sized_relobj::Sized_relobj): Initialize
6351         discarded_eh_frame_shndx_ to -1U.
6352         (Sized_relobj::do_layout): Record index of a discard .eh_frame
6353         section.
6354         (Sized_relobj::do_count_local_symbols): Skip local symbols in
6355         a discarded .eh_frame section.
6356         (Sized_relobj::do_finalize_local_symbols): Ditto.
6357         * object.h (class Sized_relobj): Declare new member
6358         discarded_eh_frame_shndx_.
6359         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
6360         (local_labels_test.o, local_labels_test): New rules.
6361         * testsuite/Makefile.in: Regenerate.
6363 2009-06-04  Doug Kwan  <dougkwan@google.com>
6365         * layout.cc (Layout::section_name_mapping): Add mapping for
6366         special ARM sections.
6368 2009-06-03  Doug Kwan  <dougkwan@google.com>
6370         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
6371         (utils::has_overflow): Same.
6373 2009-06-03  Ian Lance Taylor  <iant@google.com>
6375         * layout.cc (Layout::section_name_mapping): New array, replacing
6376         Layout::linkonce_mapping.
6377         (Layout::section_name_mapping_count): New variable, replacing
6378         Layout::linkonce_mapping_count.
6379         (Layout::linkonce_output_name): Remove.
6380         (Layout::output_section_name): Rewrite.
6381         * layout.h (class Layout): Rename Linkonce_mapping to
6382         Section_name_mapping, linkonce_mapping to section_name_mapping,
6383         linkonce_mapping_count to section_name_mapping_count.  Don't
6384         declare linkonce_output_name.
6386 2009-06-03  Doug Kwan  <dougkwan@google.com>
6388         * gold/arm.cc (namespace utils): New.
6389         (Target_arm::reloc_is_non_pic): Define new method.
6390         (class Arm_relocate_functions): New.
6391         (Target_arm::Relocate::relocate): Handle relocation types used by
6392         Android.
6394 2009-06-03  Ian Lance Taylor  <iant@google.com>
6396         * arm.cc (Target_arm::scan::global): Use || instead of |.
6398 2009-06-02  Doug Kwan  <dougkwan@google.com>
6400         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
6401         issued_non_pic_error_.
6402         (class Target_arm::Scan): Declare new method check_non_pic.
6403         Define new method symbol_needs_plt_entry.
6404         Declare new data member issued_non_pic_error_.
6405         (class Target_arm::Relocate): Declare new method
6406         should_apply_static_reloc.
6407         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
6408         (Target_arm::Scan::check_non_pic): Define new method.
6409         (Target_arm::Scan::local): Handle a small subset of reloc types used
6410         by Android.
6411         (Target_arm::Scan::local): Same.
6412         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
6414 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
6416         * incremental.cc (Incremental_inputs::report_command_line): Filter
6417         out --incremental-* options.
6419 2009-05-29  Doug Kwan  <dougkwan@google.com>
6421         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
6422         template class.
6423         (class Target_arm): Update comment.
6424         (Target_arm::Target_arm): Initialize new data members GOT_,
6425         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
6426         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
6427         and Target_arm::rel_dyn_section.
6428         Declare new_enum Target_arm::Got_type.
6429         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
6430         and DYNBSS_.
6431         Update commments for member do_dynsym_value.
6432         (Target_arm::got_size, Target_arm::plt_section,
6433         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
6434         new methods inside class defintion.
6435         (Target_arm::got_section): Define new method.
6436         (Target_arm::rel_dyn_section): Same.
6437         (Output_data_plt_arm): New template class.
6438         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
6439         (Output_data_plt_arm:do_adjust_output_section): Define new method.
6440         (Output_data_plt_arm::add_entry): Same.
6441         (Output_data_plt_arm::first_plt_entry): Define new
6442         static data member for PLT instruction template.
6443         (Output_data_plt_arm::plt_entry): Same.
6444         (Output_data_plt_arm::do_write): Define new method.
6445         (Target_arm::make_plt_entry): Same.
6446         (Target_arm::do_finalize_sections): Same.
6447         (Target_arm::do_dynsym_value): Same.
6449 2009-05-28  Doug Kwan  <dougkwan@google.com>
6451         * Makefile.am (TARGETSOURCES): Add arm.cc.
6452         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6453         * Makefile.in: Regenerate.
6454         * arm.cc: New file.
6455         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6457 2009-05-26  Doug Kwan  <dougkwan@google.com>
6459         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6460         (General_options::check_excluded_libs): Strip off directories in
6461         archive name before matching like GNU ld does.
6462         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6463         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6464         (exclude_libs_test_LDFLAGS): Add linker option
6465         -Wl,--exclude-libs,libexclude_libs_test_3
6466         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6467         an explicit archive without using -l.
6468         (alt/libexclude_libs_test_3.a): New make rule.
6469         * testsuite/Makefile.in: Regenerate.
6470         * testsuite/exclude_libs_test.c : Declare lib3_default().
6471         (main): Call it.
6472         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6473         * exclude_libs_test_3.c: New file.
6475 2009-05-26  Nick Clifton  <nickc@redhat.com>
6477         * po/id.po: New Indonesian translation.
6478         * po/gold.pot: Updated template file.
6480 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6482         * testsuite/Makefile.am: Add -ffunction-sections to compile
6483         gc_comdat_test files.  Add -Wl,--gc-sections to build
6484         gc_comdat_test.
6485         * testsuite/Makefile.in: Regenerate.
6486         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6488 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6490         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6491         kept comdat section was garbage collected.
6492         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6493         * testsuite/Makefile.in: Regenerate.
6494         * testsuite/gc_comdat_test.sh: New file.
6495         * testsuite/gc_comdat_test_1.cc: New file.
6496         * testsuite/gc_comdat_test_2.cc: New file.
6498 2009-05-19  Doug Kwan  <dougkwan@google.com>
6500         * archive.cc (Archive::Archive): Move constructor from archive.h
6501         to here.  Initialize no_export_.
6502         (Archive::get_elf_object_for_member): Set no_export flag of object.
6503         * archive.h (Archive::Archive): Move constructor body to
6504         archive.cc.
6505         (Archive::no_export): New method.
6506         (Archive::no_export_): New field.
6507         * object.h (Object::Object): Initialize no_export_ to false.
6508         (Object::no_export, Object::set_no_export): New methods.
6509         (Object::no_export_): New field.
6510         * options.cc (General_options::parse_exclude_libs): New method.
6511         (General_options::check_excluded_libs) Same.
6512         * options.h (exclude_libs): New option.
6513         (General_options::check_excluded_libs): New method declaration.
6514         (General_options::excluded_libs_): New field.
6515         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6516         default or protected visibility if an object has no-export flag set.
6517         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6518         (check_SCRIPTS): Add exclude_libs_test.sh.
6519         (check_DATA): Add exclude_libs_test.syms.
6520         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6521         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6522         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6523         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6524         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6525         libexclude_libs_test_2.a): New rules.
6526         * testsuite/Makefile.in: Regenerate.
6527         * testsuite/exclude_libs_test.c: New file.
6528         * testsuite/exclude_libs_test.sh: Ditto.
6529         * testsuite/exclude_libs_test_1.c: Ditto.
6530         * testsuite/exclude_libs_test_2.c: Ditto.
6532 2009-05-15  Ian Lance Taylor  <iant@google.com>
6534         * configure.ac: Check for declarations for cases where libiberty.h
6535         checks HAVE_DECL_xxx.
6536         * configure, config.in: Rebuild.
6538 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6540         * gold.h (Incremental_argument_list): Remove (invalid) forward
6541         declaration.
6542         * incremental.cc (Incremental_inputs::report_achive): New method.
6543         (Incremental_inputs::report_object): New method.
6544         (Incremental_inputs::report_script): New method.
6545         (Incremental_inputs::finalize_inputs): New method.
6546         (Incremental_inputs::finalize): Call finalize_inputs().
6547         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6548         Create inputs entries.
6549         * incremental.h (Incremental_input_type): New enum.
6550         (Incremental_inputs::Incremental_input): Initialize new fields.
6551         (Incremental_inputs::report_inputs): New method.
6552         (Incremental_inputs::report_achive): New method.
6553         (Incremental_inputs::report_object): New method.
6554         (Incremental_inputs::report_script): New method.
6555         (Incremental_inputs::finalize_inputs): New method.
6556         (Incremental_inputs::Input_info): New struct.
6557         (Incremental_inputs::Input_info_map): New typedef.
6558         (Incremental_inputs::lock_): New field.
6559         (Incremental_inputs::Inputs_): New field.
6560         (Incremental_inputs::Inputs_map): New field.
6561         * main.cc (main): Call Incremental_input::report_inputs.
6562         * options.h (Input_argument_list): Typedef moved from
6563         Input_arguments.
6564         (Input_file_group::Files): Remove, use ::Input_argument_list.
6565         (Input_file_group::Input_argument_list): Remove, use
6566         ::Input_argument_list.
6567         * plugin.cc (Plugin_manager::add_input_file): Add error in
6568         incremental build.
6569         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6570         functions.
6571         * script.cc (read_input_script): Call
6572         Incremental_input::report_script.
6573         * script.h (Script_info): New class.
6575 2009-04-27  Ian Lance Taylor  <iant@google.com>
6577         * x86_64.cc (do_adjust_output_section): Set entsize to
6578         plt_entry_size.
6580 2009-04-23  Elliott Hughes  <enh@google.com>
6582         * output.cc (Output_file::close): After short writes, continue
6583         writing from the correct offset in the buffer being written.
6585 2009-04-23  Chris Demetriou  <cgd@google.com>
6587         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6588         * configure: Regenerate.
6589         * config.in: Regenerate.
6590         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6591         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6593 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6595         * incremental.cc (Incremental_inputs_header_data): Renamed from
6596         Incremental_input_header_data.
6597         (Incremental_inputs_header_data::data_size): New field.
6598         (Incremental_inputs_header_data::put_input_file_count): Renamed
6599         from input_file_count.
6600         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6601         from command_line_offset.
6602         (Incremental_inputs_header_data::put_reserved): Renamed from
6603         put_reserved.
6604         (Incremental_inputs_entry_data): Renamed from
6605         Incremental_input_entry_data.
6606         (Incremental_inputs_entry_data::data_size): New field.
6607         (Incremental_inputs::report_command_line): New method.
6608         (Incremental_inputs::finalize): New method.
6609         (Incremental_inputs::create_incremental_inputs_data): New method.
6610         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6611         * incremental.h: New file.
6612         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6613        (Layout::finalize): Create incremental inputs section in
6614         incremental builds.
6615        (Layout::create_incremental_info_sections): New method.
6616         * layout.h (Layout::incremental_inputs): New method.
6617        (Layout::create_incremental_info_sections): New method.
6618        (Layout::incremental_inputs_): New field.
6619         * main.cc (main): Notify Incremental_input of the command line.
6621 2009-04-01  Ian Lance Taylor  <iant@google.com>
6622             Mikolaj Zalewski  <mikolajz@google.com>
6624         * gold.h (reserve_unordered_map): Define, three versions, one for
6625         each version of Unordered_map.
6626         * layout.cc (Layout::Layout): Remove options parameter.  Add
6627         number_of_input_files parameter.  Don't initialize options_.
6628         Initialize number_of_input_files_ and resized_signatures_.  Move
6629         sections_are_attached_.
6630         (Layout::layout_group): Reserve space for group_signatures_.
6631         (Layout::find_or_add_kept_section): Change name parameter to be a
6632         reference.  Resize signatures_ map when it gets large enough.
6633         (Layout::layout_eh_frame): Use parameters->options() instead of
6634         this->options_.
6635         (Layout::make_output_section): Likewise.
6636         (Layout::attach_allocated_section_to_segment): Likewise.
6637         (Layout::finalize, Layout::create_executable_stack): Likewise.
6638         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6639         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6640         * layout.h (class Layout): Update declarations.  Remove options_
6641         field.  Add number_of_input_files_ and resized_signatures_
6642         fields.  Move sections_are_attached_ field.
6643         * main.cc (main): Pass number of input files to Layout
6644         constructor.  Don't pass options.
6646 2009-03-30  Ian Lance Taylor  <iant@google.com>
6648         * ffsll.c (ffsll): Correct implementation.
6650 2009-03-27  Ian Lance Taylor  <iant@google.com>
6652         * ffsll.c: New file.
6653         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6654         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6655         * ftruncate.c (ftruncate): Declare before definition.
6656         * mremap.c (mremap): Likewise.
6657         * pread.c (pread): Likewise.
6658         * configure, Makefile.in, config.in: Rebuild.
6660         * mremap.c: New file.
6661         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6662         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6663         (mremap): Declare if HAVE_MREMAP is not defined.
6664         * configure, Makefile.in, config.in: Rebuild.
6666 2009-03-27  Cary Coutant  <ccoutant@google.com>
6668         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6669         position independent.
6670         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6671         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6673 2009-03-24  Cary Coutant  <ccoutant@google.com>
6675         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6676         an executable.
6677         (needs_dynamic_reloc): Likewise.
6679 2009-03-24  Ian Lance Taylor  <iant@google.com>
6681         * yyscript.y (file_cmd): Recognize EXTERN.
6682         (extern_name_list, extern_name_list_body): New nonterminals.
6683         * script.cc (script_add_extern): Define.
6684         * script-c.h (script_add_extern): Declare.
6686 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6688         * object.cc (is_elf_object): Define.
6689         * object.h (is_elf_object): Declare.
6690         * archive.cc (Archive::get_elf_object_for_member): Call
6691         is_elf_object.
6692         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6694 2009-03-24  Elliott Hughes  <enh@google.com>
6696         * output.cc (Output_file::map_anonymous): Define.
6697         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6698         try an anonymous one.  Report the size if the mmap fails.
6699         * output.h (class Output_file): Declare map_anonymous.
6701 2009-03-24  Ian Lance Taylor  <iant@google.com>
6703         * target-select.cc (instantiate_target): Don't acquire the lock if
6704         the instantiated_target_ field has already been set.
6706 2009-03-23  Ian Lance Taylor  <iant@google.com>
6708         * gold-threads.h (class Initialize_lock): Define.
6709         * gold-threads.cc (class Initialize_lock_once): Define.
6710         (initialize_lock_control): New static variable.
6711         (initialize_lock_pointer): New static variable.
6712         (initialize_lock_once): New static function.
6713         (Initialize_lock::Initialize_lock): Define.
6714         (Initialize_lock::initialize): Define.
6715         * target-select.h: Include "gold-threads.h".
6716         (class Target_selector): Add lock_ and initialize_lock_ fields.
6717         Don't define instantiate_target, just declare it.
6718         * target-select.cc (Target_selector::Target_selector): Initialize
6719         new fields.
6720         (Target_selector::instantiate_target): Define.
6721         * descriptors.h: Include "gold-threads.h".
6722         (class Descriptors): Add initialize_lock_ field.
6723         * descriptors.cc (Descriptors::Descriptors): Initialize new
6724         field.
6725         (Descriptors::open): Use initialize_lock_ field
6726         * errors.h (class Errors): Add initialize_lock_ field.
6727         * errors.cc (Errors::Errors): Initialize new field.
6728         (Errors::initialize_lock): Use initialize_lock_ field.
6729         * powerpc.cc (class Target_selector_powerpc): Remove
6730         instantiated_target_ field.  In do_recognize call
6731         instantiate_target rather than do_instantiate_target.  In
6732         do_instantiate_target just allocate a new target.
6733         * sparc.cc (class Target_selector_sparc): Likewise.
6735         * freebsd.h: New file.
6736         * i386.cc: Include "freebsd.h".
6737         (Target_i386): Derive from Target_freebsd rather than
6738         Sized_target.
6739         (Target_selector_i386): Derive from Target_selector_freebsd rather
6740         than Target_selector.
6741         * x86_64.cc: Include "freebsd.h".
6742         (Target_x86_64): Derive from Target_freebsd rather than
6743         Sized_target.
6744         (Target_selector_x86_64): Derive from Target_selector_freebsd
6745         rather than Target_selector.
6746         * target.h (class Target): Add adjust_elf_header and
6747         do_adjust_elf_header.
6748         * output.cc (Output_file_header:: do_sized_write): Call target
6749         adjust_elf_header routine.
6750         * configure.tgt: Set targ_osabi.
6751         * configure.ac: Define GOLD_DEFAULT_OSABI.
6752         * parameters.cc (Parameters::default_target): Pass
6753         GOLD_DEFAULT_OSABI to select_target.
6754         * target-select.h (class Target_selector): Make instantiate_target
6755         protected rather than private.
6756         * Makefile.am (HFILES): Add freebsd.h.
6757         * configure, Makefile.in, config.in: Rebuild.
6759         * merge.cc (do_add_input_section): Correct pend value.  Change
6760         message about last entry not being null terminated from error to
6761         warning.
6763 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6765         * incremental.cc: New file.
6766         * Makefile.am (CCFILES): Add incremental.cc.
6767         * Makefile.in: Rebuild.
6769 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6771         * layout.cc (Layout::output_section_name): Preserve names
6772         of '.note.' sections.
6774 2009-03-19  Ian Lance Taylor  <iant@google.com>
6776         * descriptors.cc (Descriptors::open): Check that the options are
6777         valid before using them.
6779 2009-03-18  Ian Lance Taylor  <iant@google.com>
6781         * script-sections.h: Include <list>.
6782         (class Script_sections): Change Sections_elements from std::vector
6783         to std::list.  Typedef public Elements_iterator.  Add
6784         orphan_section_placement_, data_segment_align_start_, and
6785         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6786         field.
6787         * script-sections.cc (class Orphan_section_placement): New class.
6788         (class Sections_element): Add virtual functions is_relro and
6789         orphan_section_init.  Remove virtual function place_orphan_here.
6790         (class Output_section_definition): Add is_relro and
6791         orphan_section_init.  Remove place_orphan_here.
6792         (class Orphan_output_section): Likewise.
6793         (Script_sections::Script_sections): Update for field changes.
6794         (Script_sections::data_segment_align): Set saw_data_segment_align_
6795         and data_segment_align_start_, not data_segment_align_index.
6796         (Script_sections::data_segment_relro_end): Check
6797         saw_data_segment_align_.  Use data_segment_align_start_ rather
6798         than data_segment_align_index_.
6799         (Script_sections::place_orphan): Rewrite to use
6800         Orphan_section_placement.
6802 2009-03-17  Ian Lance Taylor  <iant@google.com>
6804         * archive.cc (Archive::add_symbols): Check for a version attached
6805         to the symbol name in the archive map.
6806         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6807         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6808         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6809         (ver_test_11.a): New target.
6810         * testsuite/Makefile.in: Rebuild.
6812         * configure.ac: Check for chsize and posix_fallocate.  Replace
6813         ftruncate.
6814         * ftruncate.c: New file, from gnulib.
6815         * output.cc (posix_fallocate): Define dummy version if not
6816         HAVE_POSIX_FALLOCATE.
6817         (Output_file::map): Call posix_fallocate rather than lseek and
6818         write.
6819         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6820         * configure, Makefile.in, config.in: Rebuild.
6822 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6824         * layout.h (Layout::create_note): Add section_name parameter.
6825         * layout.cc (Layout::create_note): Likewise.
6826         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6828 2009-03-17  Ian Lance Taylor  <iant@google.com>
6830         * descriptors.cc: Include "options.h".
6831         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6832         (Descriptors::open): Always use O_CLOEXEC when opening a new
6833         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6834         then set FD_CLOEXEC.
6836         * sparc.cc (class Target_sparc): Add has_got_section.
6837         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6838         make sure we have a GOT section.
6840         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6841         (Target_sparc::Scan::local): Likewise.
6842         (Target_sparc::Scan::global): Likewise.
6843         (Target_sparc::Relocate::relocate): Likewise.
6844         (Target_sparc::Relocate::relocate_tls): Likewise.
6846         * symtab.cc (Symbol_table::define_default_version): New function,
6847         broken out of add_from_object.
6848         (Symbol_table::add_from_object): Call define_default_version.
6849         (Symbol_table::define_special_symbol): Add resolve_oldsym
6850         parameter.  Change all callers.  If the version for a symbol comes
6851         from a version script, resolve it with the symbol with the same
6852         name with no version.  Also add the symbol without a version if
6853         appropriate.
6854         (do_define_in_output_data): If resolving with oldsym, don't delete
6855         sym.
6856         (do_define_in_output_segment): Likewise.
6857         (do_define_as_constant): Likewise.
6858         * symtab.h (class Symbol_table): Update declarations.
6860 2009-03-13  Ian Lance Taylor  <iant@google.com>
6862         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6863         (Read_symbols::requeue): New function.
6864         (Read_symbols::do_read_symbols): If make_elf_object fails because
6865         the target type is not configured, and the file was searched for,
6866         issue a warning and retry with the next directory.
6867         (Add_symbols::run): If the file has an incompatible format, and
6868         it was searched for, requeue the Read_symbols task.  On error,
6869         release the object.
6870         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6871         dirindex parameter to constructor.  Change all callers.  Declare
6872         incompatible_warning and requeue.
6873         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6874         input_argument_ and input_group_ fields.  Add them to
6875         constructor.  Change all callers.
6876         (class Read_script): Add dirindex_ field.  Add it to constructor.
6877         Change all callers.
6878         * archive.cc (Archive::setup): Remove input_objects parameter.
6879         Change all callers.
6880         (Archive::get_file_and_offset): Likewise.
6881         (Archive::read_all_symbols): Likewise.
6882         (Archive::read_symbols): Likewise.
6883         (Archive::get_elf_object_for_member): Remove input_objects
6884         parameter.  Add punconfigured parameter.  Change all callers.
6885         (Archive::add_symbols): Change return type to bool.  Check return
6886         value of include_member.
6887         (Archive::include_all_members): Likewise.
6888         (Archive::include_member): Change return type to bool.  Return
6889         false if first included object has incompatible target.  Set
6890         included_member_ field.
6891         (Add_archive_symbols::run): If add_symbols returns false, requeue
6892         Read_symbols task.
6893         * archive.h (class Archive): Add included_member_ field.
6894         Initialize it in constructor.  Add input_file and searched_for
6895         methods.  Update declarations.
6896         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6897         input_argument_ fields.  Add them to constructor.  Change all
6898         callers.
6899         * script.cc: Include "target-select.h".
6900         (class Parser_closure): Add skip_on_incompatible_target_ and
6901         found_incompatible_target_ fields.  Add
6902         skip_on_incompatible_target parameter to constructor.  Change all
6903         callers.  Add methods skip_on_incompatible_target,
6904         clear_skip_on_incompatible_target, found_incompatible_target, and
6905         set_found_incompatible_target.
6906         (read_input_script): Add dirindex parameter.  Change all callers.
6907         If parser finds an incompatible target, requeue Read_symbols
6908         task.
6909         (script_set_symbol): Clear skip_on_incompatible_target in
6910         closure.
6911         (script_add_assertion, script_parse_option): Likewise.
6912         (script_start_sections, script_add_phdr): Likewise.
6913         (script_check_output_format): New function.
6914         * script.h (read_input_script): Update declaration.
6915         * script-c.h (script_check_output_format): Declare.
6916         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6917         (ignore_cmd): Remove OUTPUT_FORMAT.
6918         * fileread.cc (Input_file::Input_file): Add explicit this.
6919         (Input_file::will_search_for): New function.
6920         (Input_file::open): Add pindex parameter.  Change all callers.
6921         * fileread.h (class Input_file): Add input_file_argument method.
6922         Declare will_search_for.  Update declarations.
6923         * object.cc (make_elf_object): Add punconfigured parameter.
6924         Change all callers.
6925         * object.h (class Object): Make input_file public.  Add
6926         searched_for method.
6927         (make_elf_object): Update declaration.
6928         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6929         restart search.
6930         * dirsearch.h (class Dirsearch): Update declaration.
6931         * options.h (class General_options): Add --warn-search-mismatch.
6932         * parameters.cc (Parameters::is_compatible_target): New function.
6933         * parameters.h (class Parameters): Declare is_compatible_target.
6934         * workqueue.cc (Workqueue::add_blocker): New function.
6935         * workqueue.h (class Workqueue): Declare add_blocker.
6937         * fileread.cc (Input_file::open): Remove options parameter.
6938         Change all callers.
6939         (Input_file::open_binary): Likewise.
6940         * script.cc (read_input_script): Likewise.
6941         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6942         options parameter from constructor.  Change all callers.
6943         (class Read_script): Likewise.
6944         * fileread.h (class Input_file): Update declarations.
6945         * script.h (read_input_script): Update declaration.
6947 2009-03-10  Nick Clifton  <nickc@redhat.com>
6949         * po/es.po: New Spanish translation.
6951 2009-03-06  Cary Coutant  <ccoutant@google.com>
6953         * options.cc (parse_short_option): Keep dash_z from registering itself.
6955 2009-03-03  Ian Lance Taylor  <iant@google.com>
6957         PR 9918
6958         * target-reloc.h (relocate_section): Pass output_section to
6959         relocate.
6960         * i386.cc (Target_i386::should_apply_static_reloc): Add
6961         output_section parameter.  Change all callers.
6962         (Target_i386::Relocate::relocate): Add output_section parameter.
6963         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6964         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6965         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6966         * testsuite/two_file_shared.sh: New script.
6967         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6968         (check_DATA): Add two_file_shared.dbg.
6969         (two_file_shared.dbg): New target.
6970         * testsuite/Makefile.in: Rebuild.
6972 2009-03-01  Ian Lance Taylor  <iant@google.com>
6974         * configure.ac: Check for byteswap.h.
6975         * configure: Rebuild.
6976         * config.in: Rebuild.
6978 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6980         * layout.cc (Layout::find_or_add_kept_section): New function.
6981         (Layout::add_comdat): Removed.
6982         * layout.h (struct Kept_section): Move out of class Layout.
6983         Remove trailing underscores from field names.  Add group_sections
6984         field.  Rename group_ field to is_group.  Change all uses.
6985         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6986         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6987         comdat_groups_ field.
6988         (Sized_relobj::include_section_group): Use
6989         find_or_add_kept_section and Kept_section::group_sections.
6990         (Sized_relobj::include_linkonce_section): Likewise.
6991         * object.cc (class Sized_relobj): Don't define Comdat_group or
6992         Comdat_group_table.  Remove find_comdat_group and
6993         add_comdat_group.  Remove comdat_groups_ field.
6994         * plugin.cc (include_comdat_group): Use
6995         Layout::find_or_add_kept_section.
6997 2009-02-28  Ian Lance Taylor  <iant@google.com>
6999         * README: --gc-sections and map files are now supported.  Document
7000         some build requirements.
7002         PR 6992
7003         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
7004         relocatable link set the value of the section symbol to zero.
7005         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
7006         relocatable link don't include the section address in the local
7007         symbol value.
7009 2009-02-27  Ian Lance Taylor  <iant@google.com>
7011         PR 6811
7012         * options.h (class Search_directory): Add is_system_directory.
7013         (class General_options): Declare is_in_system_directory.
7014         * options.cc (get_relative_sysroot): Make static.
7015         (get_default_sysroot): Make static.
7016         (General_optoins::is_in_system_directory): New function.
7017         * fileread.cc (Input_file::is_in_system_directory): New function.
7018         * fileread.h (class Input_file): Declare is_in_system_directory.
7019         * object.h (class Object): Add is_in_system_directory.
7020         (class Input_objects): Remove system_library_directory_ field.
7021         * object.cc (Input_objects::add_object): Don't set
7022         system_library_directory_.
7023         (input_objects::found_in_system_library_directory): Remove.
7024         * symtab.cc (Symbol_table::write_globals): Remove input_objects
7025         parameter.  Change all callers.
7026         (Symbol_table::sized_write_globals): Likewise.
7027         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
7028         Call Object::is_in_system_directory.
7029         * symtab.h (class Symbol_table): Update declarations.
7031         PR 5990
7032         * descriptors.h (Open_descriptor): Add is_on_stack field.
7033         * descriptors.cc (Descriptors::open): If the descriptor is on the
7034         top of the stack, remove it.  Initialize is_on_stack field.
7035         (Descriptors::release): Only add pod to stack if it is not on the
7036         stack already.
7037         (Descriptors::close_some_descriptor): Clear stack_next and
7038         is_on_stack fields.
7040         PR 7091
7041         * output.cc (Output_section::find_starting_output_address): Rename
7042         from starting_output_address; add PADDR parameter; change return
7043         type.
7044         * output.h (class Output_section): Declare
7045         find_starting_output_address instead of starting_output_address.
7046         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
7047         section symbol for which we can't find a merge section.
7049         PR 9836
7050         * symtab.cc (Symbol_table::add_from_object): If the visibility is
7051         hidden or internal, force the symbol to be local.
7052         * resolve.cc (Symbol::override_visibility): Define.
7053         (Symbol::override_base): Use override_visibility.
7054         (Symbol_table::resolve): Likewise.
7055         (Symbol::override_base_with_special): Likewise.
7056         (Symbol_table::override_with_special): If the visibility is hidden
7057         or internal, force the symbol to be local.
7058         * symtab.h (class Symbol): Add set_visibility and
7059         override_visibility.
7060         * testsuite/ver_test_1.sh: New file.
7061         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
7062         (check_DATA): Add ver_test_1.syms.
7063         (ver_test_1.syms): New target.
7064         * testsuite/Makefile.in: Rebuild.
7066 2009-02-25  Cary Coutant  <ccoutant@google.com>
7068         * layout.cc (Layout::choose_output_section): Don't rename sections
7069         when using a linker script that has a SECTIONS clause.
7070         * Makefile.in: Regenerate.
7072         * testsuite/Makefile.am (script_test_5.sh): New test case.
7073         * testsuite/Makefile.in: Regenerate.
7074         * testsuite/script_test_5.cc: New file.
7075         * testsuite/script_test_5.sh: New file.
7076         * testsuite/script_test_5.t: New file.
7078 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
7080         * archive.cc (Archive::include_member): Update calls to add_symbols.
7081         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
7082         the Layout argument.
7083         * dynobj.h (do_add_symbols): Add the Layout argument.
7084         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
7085         Layout argument.
7086         * object.h (Object::add_symbols): Add the Layout argument.
7087         (Object::do_add_symbols): Add the Layout argument.
7088         (Sized_relobj::do_add_symbols): Add the Layout argument.
7089         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
7090         Unify the two versions.
7091         (Add_plugin_symbols): Remove.
7092         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
7093         (Sized_pluginobj::do_add_symbols): Unify the two versions.
7094         (Add_plugin_symbols): Remove.
7095         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
7096         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
7097         (Add_symbols::run): Make it work with Pulginobj.
7099 2009-02-06  Ian Lance Taylor  <iant@google.com>
7101         * object.cc (Sized_relobj::do_layout): Make info message start
7102         with lower case letter.
7104 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
7106         * binary.cc: Fix file comment.
7108         * options.h (enum Incremental_disposition): Define.
7109         (class General_options): Add new options: --incremental,
7110         --incremental_changed, --incremental_unchanged,
7111         --incremental_unknown.  Add incremental_disposition_ and
7112         implicit_incremental_ fields.
7113         (General_options::incremental_disposition): New function.
7114         (class Position_dependent_options): Add incremental_disposition
7115         option.
7116         (Position_dependent_options::copy_from_options): Set incremental
7117         dispositions.
7118         * options.cc (General_options::parse_incremental_changed): New
7119         function.
7120         (General_options::parse_incremental_unchanged): New function.
7121         (General_options::parse_incremental_unknown): New function.
7122         (General_options::General_options): Initialize new fields
7123         incremental_disposition_ and implicit_incremental_.
7124         (General_options::finalize): Check for uasge of --incremental-*
7125         without --incremental.
7127 2009-02-06  Chris Demetriou  <cgd@google.com>
7129         * gold.h (gold_undefined_symbol): Change to take only a Symbol
7130         pointer and to report location as the file name associated with
7131         the symbol.
7132         (gold_undefined_symbol_at_location): New function to replace the
7133         old gold_undefined_symbol functionality.
7134         * target-reloc.h (relocate_section): Update to use
7135         gold_undefined_symbol_at_location.
7136         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7137         Call gold_undefined_symbol function rather than gold_error.
7138         * errors.h (Errors::undefined_symbol): Take location as a
7139         string, rather than calculating it from a relocation.
7140         * errors.cc (Errors::fatal): Print "fatal error:" before the
7141         formatted message.
7142         (Errors::error, Errors::error_at_location): Print "error: "
7143         before the formatted message.
7144         (Errors::undefined_symbol): Take location as a string, rather
7145         than calculating it from a relocation.
7146         (gold_undefined_symbol_at_location): New function akin to
7147         old gold_undefined_symbol, calculates location from relocation.
7148         (gold_undefined_symbol): Change to take only a Symbol pointer
7149         and to report location as the file name associated with the symbol.
7150         * testsuite/debug_msg.sh: Update for changed error messages.
7151         * testsuite/undef_symbol.sh: Likewise.
7153 2009-02-04  Duncan Sands  <baldrick@free.fr>
7155         PR 9812
7156         * reduced_debug_output.h
7157         (Output_reduced_debug_abbrev_section::failed): Use format for
7158         gold_warning.
7159         (Output_reduced_debug_info_section::faild): Likewise.
7161 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
7163         * script.cc (Lazy_demangler): New class.
7164         (Version_script_info::get_symbol_version_helper): Demangle a
7165         symbol only once.
7167 2009-01-29  Cary Coutant  <ccoutant@google.com>
7169         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
7170         to __tls_get_addr.
7171         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7173 2009-01-28  Ian Lance Taylor  <iant@google.com>
7175         * version.cc (version_string): Bump to 1.9.
7177         * gold.h: Include <cstring> and <stdint.h>.
7178         * version.cc: Include <cstdio>.
7179         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
7180         warning.
7181         * reduced_debug_output.cc (insert_into_vector): Rename from
7182         Insert_into_vector; change all callers.  Use Swap_unaligned to
7183         avoid aliasing issue; remove union since it is unnecessary.
7185 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
7187         * Makefile.am (CCFILES): Add gc.cc.
7188         (HFILES): Add gc.h.
7189         * Makefile.in: Regenerate.
7190         * gold.cc (Gc_runner): New class.
7191         (queue_initial_tasks): Call garbage collection related tasks
7192         when corresponding options are invoked.
7193         (queue_middle_gc_tasks): New function.
7194         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7195         processed early before laying out sections during garbage collection.
7196         * gold.h (queue_middle_gc_tasks): New function.
7197         (is_prefix_of): Move from "layout.cc".
7198         * i386.cc (Target_i386::gc_process_relocs): New function.
7199         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7200         * main.cc (main): Create object of class "Garbage_collection".
7201         * object.cc (Relobj::copy_symbols_data): New function.
7202         (Relobj::is_section_name_included): New function.
7203         (Sized_relobj::do_layout): Allow this function to be called twice
7204         during garbage collection and defer layout of section during the
7205         first call.
7206         * object.h (Relobj::get_symbols_data): New function.
7207         (Relobj::is_section_name_included): New function.
7208         (Relobj::copy_symbols_data): New function.
7209         (Relobj::set_symbols_data): New function.
7210         (Relobj::get_relocs_data): New function.
7211         (Relobj::set_relocs_data): New function.
7212         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7213         (Relobj::gc_process_relocs): New function.
7214         (Relobj::do_gc_process_relocs): New pure virtual function.
7215         (Relobj::sd_): New data member.
7216         (Sized_relobj::is_output_section_offset_invalid): New function.
7217         (Sized_relobj::do_gc_process_relocs): New function.
7218         * options.h (General_options::gc_sections): Modify to not be a no-op.
7219         (General_options::print_gc_sections): New option.
7220         * plugin.cc (Plugin_finish::run): Remove function call to
7221         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7222         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7223         * reloc.cc (Read_relocs::run): Add task to process relocs and
7224         determine unreferenced sections when doing garbage collection.
7225         (Gc_process_relocs): New class.
7226         (Sized_relobj::do_gc_process_relocs): New function.
7227         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7228         sections that are garbage collected.
7229         * reloc.h (Gc_process_relocs): New class.
7230         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7231         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7232         symbols whose corresponding sections are garbage collected.
7233         (Symbol_table::Symbol_table): Add new parameter for the garbage
7234         collection object.
7235         (Symbol_table::gc_mark_undef_symbols): New function.
7236         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7237         (Symbol_table::gc_mark_dyn_syms): New function.
7238         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7239         as garbage.
7240         (Symbol_table::add_from_object): Likewise.
7241         (Symbol_table::add_from_relobj): When building shared objects, do not
7242         treat externally visible symbols as garbage.
7243         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7244         table information for static and relocatable links.
7245         * symtab.h (Symbol_table::set_gc): New function.
7246         (Symbol_table::gc): New function.
7247         (Symbol_table::gc_mark_undef_symbols): New function.
7248         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7249         (Symbol_table::gc_mark_dyn_syms): New function.
7250         (Symbol_table::gc_): New data member.
7251         * target.h (Sized_target::gc_process_relocs): New pure virtual
7252         function.
7253         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7254         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7256 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7258         * options.h (General_options::gc_sections): Define as a no-op for now.
7259         (General_options::no_keep_memory): Ditto.
7260         (General_options::Bshareable): Define.
7261         * options.cc (General_options::finalize): Honor -Bshareable.
7263 2009-01-20  Andreas Schwab  <schwab@suse.de>
7265         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7266         read the value in the contents, since we don't use it.  Use the
7267         template endianness when writing.
7268         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7270 2009-01-19  Andreas Schwab  <schwab@suse.de>
7272         * configure.tgt (powerpc64-*): Fix targ_obj.
7274 2009-01-15  Ian Lance Taylor  <iant@google.com>
7276         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7277         local symbols when stripping all symbols.
7279 2009-01-14  Cary Coutant  <ccoutant@google.com>
7281         * output.cc (Output_reloc): Add explicit instantiations.
7283 2009-01-14  Cary Coutant  <ccoutant@google.com>
7285         * archive.cc (Archive::get_elf_object_for_member): Remove call
7286         to File_read::claim_for_plugin.
7287         * descriptors.cc (Descriptors::open): Remove reference to
7288         is_claimed.
7289         (Descriptors::claim_for_plugin): Remove.
7290         * descriptors.h (Descriptors::claim_for_plugin): Remove.
7291         (Descriptors::is_claimed): Remove.
7292         (claim_descriptor_for_plugin): Remove.
7293         * fileread.cc (File_read::claim_for_plugin): Remove.
7294         * fileread.h (File_read::claim_for_plugin): Remove.
7295         (File_read::descriptor): Reopen descriptor if necessary.
7296         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
7297         (Plugin_manager::all_symbols_read): Add task parameter. Change
7298         all callers.
7299         (Plugin_manager::get_input_file): New function.
7300         (Plugin_manager::release_input_file): New function.
7301         (Pluginobj::Pluginobj): Add filesize parameter and initialize
7302         corresponding data member.
7303         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
7304         and pass to base constructor. Change all callers.
7305         (get_input_file, release_input_file): New functions.
7306         (make_sized_plugin_object): Add filesize parameter. Change all callers.
7307         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
7308         (Plugin_manager::all_symbols_read): Add task parameter.
7309         (Plugin_manager::get_input_file): New function.
7310         (Plugin_manager::release_input_file): New function.
7311         (Plugin_manager::task_): New data member.
7312         (Pluginobj::Pluginobj): Add filesize parameter.
7313         (Pluginobj::filename): New function.
7314         (Pluginobj::descriptor): New function.
7315         (Pluginobj::filesize): New function.
7316         (Pluginobj::filesize_): New data member.
7317         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
7318         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
7319         File_read::claim_for_plugin; use Object::unlock to unlock the file.
7321         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
7322         with archive libraries.
7323         * testsuite/Makefile.in: Regenerate.
7324         * testsuite/plugin_test.c (struct sym_info): New type.
7325         (get_input_file, release_input_file): New static variables.
7326         (onload): Capture new transfer vector entries.
7327         (claim_file_hook): Stop reading at end of file according to filesize.
7328         Factor out parsing of readelf output into separate function.
7329         (all_symbols_read_hook): Exercise get_input_file and release_input_file
7330         APIs and get the source file name from the symbol table.  Convert
7331         source file name to corresponding object file name.  Print info
7332         message when adding new input files.
7333         (parse_readelf_line): New function.
7334         * testsuite/plugin_test_1.sh: Add checks for new info messages.
7335         * testsuite/plugin_test_2.sh: Likewise.
7336         * testsuite/plugin_test_3.sh: Likewise.
7337         * testsuite/plugin_test_4.sh: New test case.
7339 2009-01-07  Ian Lance Taylor  <iant@google.com>
7341         * version.cc (version_string): Bump to 1.8.
7343 2008-12-23  Cary Coutant  <ccoutant@google.com>
7345         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
7346         * plugin.cc (Plugin_manager::finish): Rename as
7347         layout_deferred_objects.  Move cleanup to separate function.
7348         (Plugin_manager::cleanup): New function.
7349         (Plugin_finish::run): Call layout_deferred_objects and cleanup
7350         separately.
7351         * plugin.h (Plugin_manager::finish): Rename as
7352         layout_deferred_objects.
7353         (Plugin_manager::cleanup): New function.
7354         (Plugin_manager::cleanup_done): New field.
7356 2008-12-23  Cary Coutant  <ccoutant@google.com>
7358         * plugin.cc (is_visible_from_outside): New function.
7359         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
7360         so we don't return "IR only" status for exported symbols or -r links.
7362         * testsuite/Makefile.am (plugin_test_3): New test case.
7363         * testsuite/Makefile.in: Regenerate.
7364         * testsuite/plugin_test_3.sh: New file.
7366 2008-12-22  Cary Coutant  <ccoutant@google.com>
7368         * object.cc (Sized_relobj::layout_section): New function.
7369         (Sized_relobj::do_layout): Defer layout of input sections until after
7370         plugin has provided replacement files.
7371         (Sized_relobj::do_layout_deferred_sections): New function.
7372         * object.h (Relobj::set_section_offset): Remove virtual keyword.
7373         (Relobj::layout_deferred_sections): New function.
7374         (Relobj::do_layout_deferred_sections): New function.
7375         (Sized_relobj::do_layout_deferred_sections): New function.
7376         (Sized_relobj::layout_section): New function.
7377         (Sized_relobj::Deferred_layout): New structure.
7378         (Sized_relobj::deferred_layout_): New field.
7379         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
7380         Change all callers.  Layout deferred sections.
7381         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
7382         references.
7383         (Plugin_hook::run): Move code from do_plugin_hook inline.
7384         (Plugin_hook::do_plugin_hook): Remove.
7385         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
7386         (Plugin_manager::finish): Renamed, was cleanup.
7387         (Plugin_manager::should_defer_layout): New function.
7388         (Plugin_manager::add_deferred_layout_object): New function.
7389         (Plugin_manager::Deferred_layout_list): New type.
7390         (Plugin_manager::deferred_layout_objects_): New field.
7391         (Plugin_hook::do_plugin_hook): Remove.
7393 2008-12-17  Ian Lance Taylor  <iant@google.com>
7395         * options.h (class General_options): Add --no case for
7396         --export-dynamic.
7398 2008-12-16  Cary Coutant  <ccoutant@google.com>
7400         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
7401         vector.
7402         (Plugin_manager::claim_file): Create plugin object even if
7403         plugin did not call the add_symbols callback.
7404         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
7405         asking for more symbols than were added.
7406         * testsuite/Makefile.am (plugin_test_1): Add test case with
7407         no global symbols.
7408         (empty.syms): New target.
7409         * testsuite/Makefile.in: Regenerate.
7410         * testsuite/plugin_test.c (claim_file_hook): Add new debug
7411         message. Don't call add_symbols if no globals.
7412         (all_symbols_read_hook): Don't provide replacement for empty
7413         claimed file.
7415 2008-12-12  Ian Lance Taylor  <iant@google.com>
7417         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
7418         r_type == 0 for a local symbol with r_sym == 0.
7419         (scan_relocatable_relocs): Pass r_sym to
7420         local_non_section_strategy.
7421         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
7422         r_sym parameter.
7424         * configure.ac: Update test for TLS descriptors: they are
7425         supported as of glibc 2.9.
7426         * configure: Rebuild.
7428 2008-12-11  Ian Lance Taylor  <iant@google.com>
7430         PR 7091
7431         * target-reloc.h (Default_scan_relocatable_relocs): For each
7432         function, map r_type == 0 to RELOC_DISCARD.
7434 2008-12-10  Cary Coutant  <ccoutant@google.com>
7436         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
7437         object to override a kept COMDAT group from a plugin object.
7439 2008-12-09  Ian Lance Taylor  <iant@google.com>
7441         PR 7088
7442         * yyscript.y (file_cmd): Handle INPUT.
7444         * testsuite/initpri1.c: Change all declarations to be full
7445         prototypes by adding void, to avoid compiler warnings.
7447 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7449         * options.cc (General_options::parse_plugin_opt): New.
7450         (General_options::add_plugin): The argument now is just the filename.
7451         (General_options::add_plugin_option): New.
7452         * options.h (plugin_opt): New.
7453         (add_plugin): Change argument name.
7454         (add_plugin_option): New.
7455         * plugin.cc (Plugin::load): Don't parse the plugin option.
7456         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7457         (Plugin::add_option): New.
7458         (Plugin::args_): Change type.
7459         (Plugin::filename_): New.
7460         (Plugin_manager::add_plugin_option): New.
7461         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7462         * testsuite/Makefile.in: Regenerate.
7464 2008-12-05  Cary Coutant  <ccoutant@google.com>
7466         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7467         Handle --strip-lto-sections option.
7468         * options.h (strip_lto_sections): New option.
7470 2008-12-01  Cary Coutant  <ccoutant@google.com>
7472         * plugin.cc (ld_plugin_message): Change format parameter to const.
7473         Fix mismatch between new[] and delete.
7475 2008-11-14  Cary Coutant  <ccoutant@google.com>
7477         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7478         instead of -1U.
7480 2008-11-05  Craig Silverstein  <csilvers@google.com>
7482         * options.cc (General_options::parse_dynamic_list): New function.
7483         * options.h (General_options): New flags dynamic_list,
7484         dynamic_list_data, dynamic_list_cpp_new, and
7485         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7486         (General_options::in_dynamic_list): New function.
7487         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7488         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7489         (Lex::can_continue_name): Likewise.
7490         (yylex): Likewise.
7491         (read_script_file): New parameter script_options.
7492         (read_dynamic_list): New function.
7493         (Script_options::define_dynamic_list): New function.
7494         (dynamic_list_keyword_parsecodes): New variable.
7495         (dynamic_list_keywords): New variable.
7496         * script.h (Script_options::define_dynamic_list): New function
7497         prototype.
7498         (read_dynamic_list): New function prototype.
7499         * symtab.cc (strprefix): New macro.
7500         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7501         dynamic_list_data, dynamic_list_cpp_new, and
7502         dynamic_list_cpp_typeinfo.
7503         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7504         (dynamic_list_expr): New rule.
7505         (dynamic_list_nodes): Likewise.
7506         (dynamic_list_node): Likewise.
7507         * testsuite/Makefile.am (dynamic_list): New test.
7508         * testsuite/Makefile.in: Regenerated.
7509         * testsuite/dynamic_list.t: New file.
7510         * testsuite/dynamic_list.sh: New file.
7512 2008-11-05  Craig Silverstein  <csilvers@google.com>
7514         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7515         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7516         (t11_last): Likewise.
7517         * testsuite/ver_test_6.c (main): Likewise.
7519 2008-10-07  Cary Coutant  <ccoutant@google.com>
7521         * options.c (General_options::finalize): Add check for -static and
7522         -shared.
7523         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7524         is not empty.
7526 2008-10-02  Cary Coutant  <ccoutant@google.com>
7528         * plugin.cc (make_sized_plugin_object): Fix conditional
7529         compilation to work when not all targets are enabled.
7531 2008-09-29  Cary Coutant  <ccoutant@google.com>
7533         * archive.cc (Archive::get_file_and_offset): Use filename instead
7534         of name to get library path.
7535         (Archive::include_member): Unlock external member of a thin archive.
7537         * testsuite/Makefile.am (TEST_AR): New variable.
7538         (thin_archive_test_1): New test.
7539         (thin_archive_test_2): New test.
7540         * testsuite/Makefile.in: Regenerate.
7541         * testsuite/thin_archive_main.cc: New file.
7542         * testsuite/thin_archive_test_1.cc: New file.
7543         * testsuite/thin_archive_test_2.cc: New file.
7544         * testsuite/thin_archive_test_3.cc: New file.
7545         * testsuite/thin_archive_test_4.cc: New file.
7547 2008-09-29  Cary Coutant  <ccoutant@google.com>
7549         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7550         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7551         instead of -1U.
7552         (Sized_relobj::do_finalize_local_symbols): Likewise.
7553         (Sized_relobj::map_to_kept_section): Likewise.
7554         * object.h (Sized_relobj::invalid_address): New constant.
7555         (Sized_relobj::do_output_section_offset): Check for invalid_address
7556         and return -1ULL.
7557         * output.cc (Output_reloc::local_section_offset): Use constant
7558         invalid_address instead of -1U.
7559         (Output_reloc::get_address): Likewise.
7560         (Output_section::output_address): Change -1U to -1ULL.
7561         * output.h (Output_reloc::invalid_address): New constant.
7562         * reloc.cc (Sized_relobj::write_sections): Use constant
7563         invalid_address instead of -1U.
7564         (Sized_relobj::relocate_sections): Likewise.
7565         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7566         values for merge sections.
7567         * target-reloc.h (relocate_for_relocatable): Use constant
7568         invalid_address instead of -1U.
7570 2008-09-19  Cary Coutant  <ccoutant@google.com>
7572         Add plugin functionality for link-time optimization (LTO).
7573         * configure.ac (plugins): Add --enable-plugins option.
7574         * configure: Regenerate.
7575         * config.in: Regenerate.
7576         * Makefile.am (LIBDL): New variable.
7577         (CCFILES): Add plugin.cc.
7578         (HFILES): Add plugin.h.
7579         (ldadd_var): Add LIBDL.
7580         * Makefile.in: Regenerate.
7582         * archive.cc: Include "plugin.h".
7583         (Archive::setup): Don't preread archive symbols when using a plugin.
7584         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7585         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7586         files.
7587         (Archive::include_member): Add symbols from plugin objects.
7588         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7589         * descriptors.cc (Descriptors::open): Check for file descriptors
7590         abandoned by plugins.
7591         (Descriptors::claim_for_plugin): New function.
7592         * descriptors.h (Descriptors::claim_for_plugin): New function.
7593         (Open_descriptor::is_claimed): New field.
7594         (claim_descriptor_for_plugin): New function.
7595         * fileread.cc (File_read::claim_for_plugin): New function.
7596         * fileread.h (File_read::claim_for_plugin): New function.
7597         (File_read::descriptor): New function.
7598         * gold.cc: Include "plugin.h".
7599         (queue_initial_tasks): Add task to call plugin hooks for generating
7600         new object files.
7601         * main.cc: Include "plugin.h".
7602         (main): Load plugin libraries.
7603         * object.h (Pluginobj): Declare.
7604         (Object::pluginobj): New function.
7605         (Object::do_pluginobj): New function.
7606         (Object::set_target): New function.
7607         * options.cc: Include "plugin.h".
7608         (General_options::parse_plugin): New function.
7609         (General_options::General_options): Initialize plugins_ field.
7610         (General_options::add_plugin): New function.
7611         * options.h (Plugin_manager): Declare.
7612         (General_options): Add --plugin option.
7613         (General_options::has_plugins): New function.
7614         (General_options::plugins): New function.
7615         (General_options::add_plugin): New function.
7616         (General_options::plugins_): New field.
7617         * plugin.cc: New file.
7618         * plugin.h: New file.
7619         * readsyms.cc: Include "plugin.h".
7620         (Read_symbols::do_read_symbols): Check for archive before checking
7621         for ELF file.  Call plugin hooks to claim files.
7622         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7623         from a real object file; force override when processing replacement
7624         files.
7625         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7626         (Symbol::init_base_object): Likewise.
7627         (Symbol::init_base_output_data): Likewise.
7628         (Symbol::init_base_output_segment): Likewise.
7629         (Symbol::init_base_constant): Likewise.
7630         (Symbol::init_base_undefined): Likewise.
7631         (Symbol::output_section): Assert that object is not a plugin.
7632         (Symbol_table::add_from_pluginobj): New function.
7633         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7634         undefined.
7635         (Symbol_table::sized_write_globals): Likewise.
7636         (Symbol_table::add_from_pluginobj): Instantiate template.
7637         * symtab.h (Sized_pluginobj): Declare.
7638         (Symbol::in_real_elf): New function.
7639         (Symbol::set_in_real_elf): New function.
7640         (Symbol::in_real_elf_): New field.
7641         (Symbol_table::add_from_pluginobj): New function.
7643         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7644         (LIBDL): New variable.
7645         (LDADD): Add LIBDL.
7646         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7647         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7648         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7649         (MOSTLYCLEANFILES): Likewise.
7650         * testsuite/Makefile.in: Regenerate.
7651         * testsuite/plugin_test.c: New file.
7652         * testsuite/plugin_test_1.sh: New file.
7653         * testsuite/plugin_test_2.sh: New file.
7655 2008-09-16  Ian Lance Taylor  <iant@google.com>
7657         * target-reloc.h (relocate_section): Check whether a symbol is
7658         defined by the ABI before reporting an undefined symbol error.
7659         * target.h (Target::is_defined_by_abi): Make parameter const.
7660         (Target::do_is_defined_by_abi): Likewise.
7661         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7662         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7663         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7664         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7665         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7666         * testsuite/Makefile.in: Rebuild.
7668         * fileread.cc (make_view): Add casts to avoid warning.
7670 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7672         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7673         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7675 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7677         * options.h (General_options::output_is_executable): New.
7678         (General_options::output_is_pie): New.
7679         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7680         for shared libraries.
7681         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7683 2008-09-11  Chris Demetriou  <cgd@google.com>
7685         * options.h (origin): New -z option.
7686         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7687         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7688         in DT_FLAGS_1.
7690 2008-09-05  Cary Coutant  <ccoutant@google.com>
7692         * fileread.cc (File_read::make_view): Add check for attempt to map
7693         beyond end of file.
7695 2008-09-05  Cary Coutant  <ccoutant@google.com>
7697         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7698         explicit instantiations.
7700 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7702         PR gold/6858
7703         * options.cc (General_options::finalize): Allow undefined symbols
7704         in shlibs if linking -shared.
7706         PR gold/6859
7707         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7708         symbols as not needing a dynsym entry.
7710 2008-08-20  Craig Silverstein  <csilvers@google.com>
7712         * fileread.cc (File_read::open): Do not lock the file unless it
7713         was successfully opened.
7715 2008-08-14  Cary Coutant  <ccoutant@google.com>
7717         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7718         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7719         * testsuite/tls_test.cc (struct int128): 128-bit struct
7720         for testing TLS relocs with non-zero addend.
7721         (v12): New TLS variable.
7722         (t12): New test.
7723         (t_last): Add check for v12.
7724         * testsuite/tls_test.h (t12): New function.
7725         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7727 2008-08-13  Ian Lance Taylor  <iant@google.com>
7729         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7730         set tls_segment_ or relro_segment_.
7731         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7732         when appropriate.
7733         * output.h (Output_section::clear_is_relro): New function.
7734         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7735         sections specially even when output_data_ is empty.
7736         (Output_segment::maximum_alignment): When first section is relro,
7737         only force alignment for PT_LOAD segments.
7738         * script.cc (script_data_segment_align): New function.
7739         (script_data_segment_relro_end): New function.
7740         * script-c.h (script_data_segment_align): Declare.
7741         (script_data_segment_relro_end): Declare.
7742         * script-sections.h (class Script_sections): Declare
7743         data_segment_align and data_segment_relro_end.  Add fields
7744         segment_align_index_ and saw_relro_end_.
7745         * script-sections.cc (class Sections_element): Add set_is_relro
7746         virtual function.  Add new bool* parameter to place_orphan_here.
7747         Add get_output_section virtual function.
7748         (class Output_section_definition): Add set_is_relro.  Add new
7749         bool* parameter to place_orphan_here.  Add get_output_section.
7750         Add is_relro_ field.
7751         (Output_section_definition::Output_section_definition): Initialize
7752         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7753         and is_relro_ fields.
7754         (Output_section_definition::place_orphan_here): Add is_relro
7755         parameter.
7756         (Output_section_definition::set_section_addresses): Set relro for
7757         output section.
7758         (Output_section_definition::alternate_constraint): Likewise.
7759         (class Orphan_output_section): Add new bool* parameter to
7760         place_orphan_here.  Add get_output_section.
7761         (Orphan_output_section::place_orphan_here): Add is_relro
7762         parameter.
7763         (Script_sections::Script_sections): Initialize
7764         data_segment_align_index_ and saw_relro_end_.
7765         (Script_sections::data_segment_align): New function.
7766         (Script_sections::data_segment_relro_end): New function.
7767         (Script_sections::place_orphan): Set or clear is_relro.
7768         (Script_sections::set_section_addresses): Force alignment of first
7769         TLS section.
7770         * yyscript.y (exp): Call script_data_segment_align and
7771         script_data_segment_relro_end.
7772         * testsuite/relro_script_test.t: New file.
7773         * testsuite/relro_test.cc (using_script): Declare.
7774         (t1, t2): Test using_script.
7775         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7776         (relro_script_test_SOURCES): Define.
7777         (relro_script_test_DEPENDENCIES): Define.
7778         (relro_script_test_LDFLAGS): Define.
7779         (relro_script_test_LDADD): Define.
7780         (relro_script_test.so): New target.
7781         * testsuite/Makefile.in: Rebuild.
7783 2008-08-06  Cary Coutant <ccoutant@google.com>
7785         * archive.cc (Archive::total_archives, Archive::total_members)
7786         (Archive::total_members_loaded): New variables.
7787         (Archive::setup): Add parameter.  Add option to preread
7788         archive symbols.
7789         (Archive::read_armap): Add counter.
7790         (Archive::get_file_and_offset): New function.
7791         (Archive::get_elf_object_for_member): New function.
7792         (Archive::read_all_symbols): New function.
7793         (Archive::read_symbols): New function.
7794         (Archive::add_symbols): Add counters.
7795         (Archive::include_all_members): Use armap to find members if it's
7796         already built.
7797         (Archive::include_member): Skip reading symbols if already read.
7798         Factored code into Archive::get_file_and_offset and
7799         Archive::get_elf_object_for_member.  Changed call to
7800         Mapfile::report_include_archive_member.
7801         (Archive::print_stats): New function.
7802         * archive.h: Declare Object and Read_symbols_data classes.
7803         (Archive::Archive): Add initializers for new members.
7804         (Archive::setup): Add parameter.
7805         (Archive::print_stats): New function.
7806         (Archive::total_archives, Archive::total_members)
7807         (Archive::total_members_loaded): New variables.
7808         (Archive::get_file_and_offset): New function.
7809         (Archive::get_elf_object_for_member): New function.
7810         (Archive::read_all_symbols): New function.
7811         (Archive::read_symbols): New function.
7812         (Archive::Archive_member): New class.
7813         (Archive::members_): New member.
7814         (Archive::num_members_): New member.
7815         * main.cc: Include archive.h.
7816         (main): Call Archive::print_stats.
7817         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7818         archive parameter; member_name is now the fully-decorated name.
7819         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7820         * options.h: (General_options): Add --preread-archive-symbols option.
7821         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7822         Archive::setup.
7824 2008-08-04  Ian Lance Taylor  <iant@google.com>
7826         * symtab.h (Symbol::use_plt_offset): New function.
7827         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7828         * powerpc.cc (Relocate::relocate): Likewise.
7829         * sparc.cc (Relocate::relocate): Likewise.
7830         * x86_64.cc (Relocate::relocate): Likewise.
7831         * testsuite/weak_plt.sh: New test.
7832         * testsuite/weak_plt_main.cc: New test.
7833         * testsuite/weak_plt_shared.cc: New test.
7834         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7835         (check_PROGRAMS): Add weak_plt.
7836         (check_DATA): Add weak_plt_shared.so.
7837         (weak_plt_main_pic.o, weak_plt): New targets.
7838         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7839         * testsuite/Makefile.in: Rebuild.
7841         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7842         gcctestdir/ld.
7843         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7844         * testsuite/Makefile.in: Rebuild.
7846 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7848         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7849         * Makefile.in: Regenerate.
7850         * po/POTFILES.in: Regenerate.
7852 2008-07-29  Ian Lance Taylor  <iant@google.com>
7854         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7855         symbols before other symbols.
7856         * testsuite/script_test_2.cc (test_addr): Declare.
7857         (test_addr_alias): Declare.
7858         (main): Check that test_addr and test_addr_alias have the right
7859         values.
7860         * testsuite/script_test_2.t: Define test_addr_alias and
7861         test_addr.
7863 2008-07-24  Ian Lance Taylor  <iant@google.com>
7865         PR 5990
7866         * descriptors.cc: New file.
7867         * descriptors.h: New file.
7868         * gold-threads.h (class Hold_optional_lock): New class.
7869         * fileread.cc: Include "descriptors.h".
7870         (File_read::~File_read): Release descriptor rather than closing
7871         it.
7872         (File_read::open) [file]: Call open_descriptor rather than open.
7873         Set is_descriptor_opened_.
7874         (File_read::open) [memory]: Assert that descriptor is not open.
7875         (File_read::reopen_descriptor): New function.
7876         (File_read::release): Release descriptor.
7877         (File_read::do_read): Make non-const.  Reopen descriptor.
7878         (File_read::read): Make non-const.
7879         (File_read::make_view): Reopen descriptor.
7880         (File_read::do_readv): Likewise.
7881         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7882         Update declarations.
7883         * layout.cc: Include "descriptors.h".
7884         (Layout::create_build_id): Use open_descriptor rather than open.
7885         * output.cc: Include "descriptors.h".
7886         (Output_file::open): Use open_descriptor rather than open.
7887         * archive.cc (Archive::const_iterator): Change Archive to be
7888         non-const.
7889         (Archive::begin, Archive::end): Make non-const.
7890         (Archive::count_members): Likewise.
7891         * archive.h (class Archive): Update declarations.
7892         * object.h (Object::read): Make non-const.
7893         * Makefile.am (CCFILES): Add descriptors.cc.
7894         (HFILES): Add descriptors.h.
7895         * Makefile.in: Rebuild.
7897         PR 6716
7898         * gold.h: Always include <clocale>.  Add Solaris workarounds
7899         following code in binutils/sysdep.h.
7901         PR 6048
7902         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7903         this->eh_frame_hdr_ is NULL before using it.
7905         * dynobj.cc (Versions::Versions): Update comment.
7907         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7908         the base version name.
7910         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7911         array size plus one.
7912         (Stringpool_template::set_string_offsets): Subtract one from key
7913         before using it as an array index.
7914         (Stringpool_template::get_offset_with_length): Likewise.
7915         (Stringpool_template::write_to_buffer): Likewise.
7916         * stringpool.h (Stringpool_template::get_offset_from_key):
7917         Likewise.
7919 2008-07-23  Ian Lance Taylor  <iant@google.com>
7921         PR 6658
7922         * object.h (Merged_symbol_value::value): Do our best to handle a
7923         negative addend.
7925         PR 6647
7926         * script.cc (Version_script_info::get_versions): Don't add empty
7927         version tag to return value.
7928         (Version_script_info::get_symbol_version_helper): Change return
7929         type to bool.  Add pversion parameter.  Change all callers.
7930         (script_register_vers_node): Don't require a non-NULL tag.
7931         * script.h (class Version_script_info): Update declarations.
7932         (Version_script_info::get_symbol_version): Change return type to
7933         bool.  Add version parameter.  Change all callers.
7934         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7935         handling.  Handle an empty version from a version script.
7936         (Symbol_table::define_special_symbol): Likewise.
7937         * testsuite/ver_test_10.script: New file.
7938         * testsuite/ver_test_10.sh: New file.
7939         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7940         (check_DATA): Add ver_test_10.syms.
7941         (ver_test_10.syms, ver_test_10.so): New target.
7942         * testsuite/Makefile.in: Rebuild.
7944 2008-07-23  Simon Baldwin  <simonb@google.com>
7946         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7947         to zero for undefined symbols from dynamic libraries.
7949 2008-07-23  Ian Lance Taylor  <iant@google.com>
7951         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7952         Change all callers.
7953         * symtab.h (class Symbol_table): Update declaration.
7954         * testsuite/ver_test_9.cc: New file.
7955         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7956         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7957         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7958         (ver_test_9.so, ver_test_9.o): New targets.
7959         * testsuite/Makefile.in: Rebuild.
7961 2008-07-22  Ian Lance Taylor  <iant@google.com>
7963         * options.h (class General_options): Define --check-sections.
7964         * layout.cc (Layout::set_segment_offsets): Handle
7965         --check-sections.
7967         * options.h (class General_options): Define -n/--nmagic and
7968         -N/--omagic.
7969         * options.cc (General_options::finalize): For -n/--nmagic or
7970         -N/--omagic, set -static.
7971         * layout.cc (Layout::attach_allocated_section_to_segment): If
7972         -N/--omagic, don't put read-only and read-write sections in
7973         different segments.
7974         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7975         finding a read-only segment.
7976         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7977         don't set the minimum segment alignment to the common page size,
7978         and don't set the file offset to the address modulo the page size.
7979         * script-sections.cc (Script_sections::create_segments): If
7980         -n/--omagic, don't put read-only and read-write sections in
7981         different segments.
7983         * cref.cc: New file.
7984         * cref.h: New file.
7985         * options.h (class General_options): Add --print-symbol-counts.
7986         * main.cc (main): Issue defined symbol report if requested.
7987         * archive.cc (Archive::interpret_header): Make into a const member
7988         function.
7989         (Archive::add_symbols): Call Input_objects::archive_start and
7990         archive_stop.
7991         (Archive::const_iterator): Define new class.
7992         (Archive::begin, Archive::end): New functions.
7993         (Archive::include_all_members): Rewrite to use iterator.
7994         (Archive::count_members): New function.
7995         * archive.h (class Archive): Update declarations.
7996         (Archive::filename): New function.
7997         * object.cc: Include "cref.h".
7998         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7999         (Sized_relobj::do_get_global_symbol_counts): New function.
8000         (Input_objects::add_object): Add object to cross-referencer.
8001         (Input_objects::archive_start): New function.
8002         (Input_objects::archive_stop): New function.
8003         (Input_objects::print_symbol_counts): New function.
8004         * object.h: Declare Cref and Archive.
8005         (Object::get_global_symbol_counts): New function.
8006         (Object::do_get_global_symbol_counts): New pure virtual function.
8007         (class Sized_relobj): Add defined_count_ field.  Update
8008         declarations.
8009         (class Input_objects): Add cref_ field.  Update constructor.
8010         Update declarations.
8011         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
8012         defined_count_.
8013         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
8014         symbol counts.
8015         (Sized_dynobj::do_get_global_symbol_counts): New function.
8016         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
8017         defined_count_.  Update declarations.  Define Symbols typedef.
8018         * symtab.cc (Symbol_table::add_from_relobj): Add defined
8019         parameter.  Change all callers.
8020         (Symbol_table::add_from_dynobj): Add sympointers and defined
8021         parameters.  Change all callers.
8022         * symtab.h (class Symbol_table): Update declarations.
8023         * Makefile.am (CCFILES): Add cref.cc.
8024         (HFILES): Add cref.h.
8025         * Makefile.in: Rebuild.
8027 2008-07-22  Simon Baldwin  <simonb@google.com>
8029         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
8030         to zero when writing undefined symbols.
8032 2008-07-22  Ian Lance Taylor  <iant@google.com>
8034         * output.cc (Output_section::add_input_section): Don't try to
8035         merge empty merge sections.
8037 2008-07-21  Craig Silverstein  <csilvers@google.com>
8039         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8040         Include symbol version in error message.
8042 2008-07-20  Chris Demetriou  <cgd@google.com>
8044         * configure.ac (gold_cv_c_random_seed): New configured variable.
8045         (RANDOM_SEED_CFLAGS): New substituted variable.
8046         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
8047         * configure: Rebuild.
8048         * Makefile.in: Likewise.
8049         * testsuite/Makefile.in: Likewise.
8051 2008-07-18  Ian Lance Taylor  <iant@google.com>
8053         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
8054         where we see NAME/NULL and NAME/VERSION  as separate symbols.
8055         * testsuite/ver_test_main.cc (main): Call t4.
8056         (t4, t4_2a): Define.
8057         * testsuite/ver_test_2.cc (t4_2): Define.
8058         * testsuite/ver_test_2.script: Put t4_2a in VER2.
8059         * testsuite/ver_test_4.cc (t4_2a): Define.
8060         * testsuite/ver_test_4.script: Put t4_2a in VER2.
8061         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
8063 2008-07-17  Ian Lance Taylor  <iant@google.com>
8065         * dynobj.cc (Versions::add_def): If we give an error about a
8066         missing version, go ahead and create the version anyhow.
8068 2008-07-10  Ian Lance Taylor  <iant@google.com>
8070         Handle output sections with more than 0x7fffffff bytes.
8071         * object.h (class Relobj): Change map_to_output_ to
8072         output_sections_, and just keep a section pointer.  Change all
8073         uses.  Move comdat group support to Sized_relobj.
8074         (Relobj::is_section_specially_mapped): Remove.
8075         (Relobj::output_section): Remove poff parameter.  Change all
8076         callers.
8077         (Relobj::output_section_offset): New function.
8078         (Relobj::set_section_offset): Rewrite.
8079         (Relobj::map_to_output): Remove.
8080         (Relobj::output_sections): New function.
8081         (Relobj::do_output_section_offset): New pure virtual function.
8082         (Relobj::do_set_section_offset): Likewise.
8083         (class Sized_relobj): Add section_offsets_ field.  Add comdat
8084         group support from Relobj.  Update declarations.
8085         (Sized_relobj::get_output_section_offset): New function.
8086         (Sized_relobj::do_output_section_offset): New function.
8087         (Sized_relobj::do_set_section_offset): New function.
8088         * object.cc (Relobj::output_section_address): Remove.
8089         (Sized_relobj::Sized_relobj): Initialize new fields.
8090         (Sized_relobj::include_section_group): Cast find_kept_object to
8091         Sized_relobj.
8092         (Sized_relobj::include_linkonce_section): Likewise.
8093         (Sized_relobj::do_layout): Use separate arrays for output section
8094         and output offset.
8095         (Sized_relobj::do_count_local_symbols): Change map_to_output to
8096         output_sections.
8097         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
8098         output_sections and section_offsets.
8099         (Sized_relobj::write_local_symbols): Likewise.
8100         (map_to_kept_section): Compute output address directly.
8101         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
8102         output_sections and section_offsets.
8103         (Sized_relobj::write_sections): Likewise.
8104         (Sized_relobj::relocate_sections): Likewise.
8105         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
8106         * output.h (class Output_reloc): Update declarations.  Change
8107         u2_.relobj to Sized_relobj*.
8108         (class Output_data_reloc): Change add functions to use
8109         Sized_relobj*.
8110         * output.cc (Output_reloc::Output_reloc): Change relobj to
8111         Sized_relobj*.
8112         (Output_reloc::local_section_offset): Change return type to
8113         Elf_Addr.  Use get_output_section_offset.
8114         (Output_reloc::get_address): Likewise.
8115         (Output_section::is_input_address_mapped): Don't call
8116         is_section_specially_mapped.
8117         (Output_section::output_offset): Likewise.
8118         (Output_section::output_address): Likewise.
8119         (Output_section::starting_output_address): Likewise.
8120         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
8121         parameter to Sized_relobj*.
8122         (Copy_relocs::need_copy_reloc): Likewise.
8123         (Copy_relocs::save): Likewise.
8124         * copy-relocs.h (class Copy_relocs): Update declarations.
8125         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
8126         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
8127         * target-reloc.h (relocate_for_relocatable): Change
8128         offset_in_output_section type to Elf_Addr.  Change code that uses
8129         it as well.
8130         * layout.cc (Layout::layout): Always set *off.
8131         * mapfile.cc (Mapfile::print_input_section): Use
8132         output_section_offset.
8133         * i386.cc (Target_i386::copy_reloc): Change object parameter to
8134         Sized_relobj*.
8135         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
8136         * sparc.cc (Target_sparc::copy_reloc): Likewise.
8137         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
8139 2008-07-03  Ian Lance Taylor  <iant@google.com>
8141         * layout.cc (Layout::include_section): Do not discard unrecognized
8142         SHT_STRTAB sections.
8144 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
8146         * script.cc (Lex::can_continue_name): Make '?' allowable in
8147         version-script names.
8148         * testsuite/version_script.map: Change glob pattern to use '?'
8150 2008-06-30  Manish Singh  <yosh@gimp.org>
8152         PR 6585
8153         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
8154         Correct typo.
8156 2008-06-30  Ian Lance Taylor  <iant@google.com>
8158         PR 6660
8159         PR 6682
8160         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
8161         versions]: Don't try to read the value in the contents, since we
8162         don't use it.  Use the template endianness when writing.
8164 2008-06-25  Cary Coutant  <ccoutant@google.com>
8166         * fileread.cc (File_read::make_view): Assert on zero-length view.
8167         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
8168         symbol table when there are no symbols to read.
8170 2008-06-23  Craig Silverstein  <csilvers@google.com>
8172         * version.cc (version_string): Bump to 1.7
8174 2008-06-18  Craig Silverstein  <csilvers@google.com>
8176         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
8177         constant 0xFFFF to type Valtype.
8178         (Powerpc_relocate_functions::rel16_ha): Likewise.
8180 2008-06-17  Ian Lance Taylor  <iant@google.com>
8182         * output.h (Output_section::Input_section): Initialize p2align_ to
8183         zero for Output_section_data constructors.
8184         (Output_section::Input_section::addralign): If not an input
8185         section, return the alignment of the Output_section_data.
8186         * testsuite/copy_test.cc: New file.
8187         * testsuite/copy_test_1.cc: New file.
8188         * testsuite/copy_test_2.cc: New file.
8189         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8190         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8191         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8192         (copy_test_1_pic.o, copy_test_1.so): New targets.
8193         (copy_test_2_pic.o, copy_test_2.so): New targets.
8194         * testsuite/Makefile.in: Rebuild.
8196         * script-sections.cc (Script_sections::place_orphan): Initialize
8197         local variable exact.
8199 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8201         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8203 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8204             David S. Miller  <davem@davemloft.net>
8206         * powerpc.cc: New file.
8207         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8208         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8209         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8210         * Makefile.in: Rebuild.
8212 2008-06-09  Ian Lance Taylor  <iant@google.com>
8214         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8215         <exception>.
8216         (throwing, orig_terminate): New static variables.
8217         (terminate_handler): New static function.
8218         (t2): Set terminate handler.
8220 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8222         PR 6584
8223         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8224         alignment.
8226 2008-05-30  Cary Coutant  <ccoutant@google.com>
8228         * archive.cc (Archive::include_all_members) Correct to step
8229         over symbol table and extended name table in thin archives.
8231 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8233         PR 6407
8234         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8235         calculation.
8237 2008-05-28  Caleb Howe  <cshowe@google.com>
8239         * reduced_debug_output.cc: New file.
8240         * reduced_debug_output.h: New file.
8241         * options.h (class General_options): Add --strip-debug-non-line.
8242         * options.cc (General_options::finalize): Add strip_debug_non_line
8243         to the strip heirarchy.
8244         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8245         fields.
8246         * layout.cc: Include "reduced_debug_output.h".
8247         (Layout::Layout): Initialize new fields.
8248         (line_only_debug_sections): New static array.
8249         (is_lines_only_debug_sections): New static inline function.
8250         (Layout::include_section): Handle --strip-debug-non-line.
8251         (Layout::make_output_section): If --strip-debug-non-line, build
8252         new output sections for .debug_abbrev and .debug_info.
8253         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8254         gold.  Warn about possible overflow.
8255         (read_signed_LEB_128): Likewise.
8256         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8257         (read_signed_LEB_128): Declare.
8258         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8259         (HFILES): Add reduced_debug_output.h.
8260         * Makefile.in: Rebuild.
8262 2008-05-21  Ian Lance Taylor  <iant@google.com>
8264         * mapfile.cc: New file.
8265         * mapfile.h: New file.
8266         * options.h (class General_options): Add -M/--print-map and -Map.
8267         * options.cc (General_options::finalize): Make -M equivalent to
8268         -Map -.
8269         * main.cc: Include <cstdio> and "mapfile.h".
8270         (main): Open mapfile if requested.
8271         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8272         constructor.  Change caller.
8273         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8274         (queue_middle_tasks): Likewise.
8275         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8276         declarations.
8277         * archive.cc: Include "mapfile.h".
8278         (Archive::add_symbols): Add mapfile parameter.  Change all
8279         callers.  Pass mapfile, symbol, and reason to include_member.
8280         (Archive::include_all_members): Add mapfile parameter.  Change all
8281         callers.
8282         (Archive::include_member): Add mapfile, sym, and why parameters.
8283         Change all callers.  Report inclusion to map file.
8284         * archive.h: Include "fileread.h".
8285         (class Archive): Update declarations.
8286         (Archive::file): New const method.
8287         (class Add_archive_symbols): Add mapfile_ field.  Update
8288         constructor.  Change all callers.
8289         * readsyms.h (class Read_symbols): Likewise.
8290         (class Finish_group): Likewise.
8291         (class Read_script): Likewise.
8292         * common.cc: Include "mapfile.h".
8293         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
8294         all callers.
8295         (Symbol_table::do_allocate_commons): Likewise.
8296         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
8297         symbol allocation to mapfile.
8298         * common.h (class Allocate_commons_task): Add mapfile_ field.
8299         Update constructor.  Change all callers.
8300         * symtab.h (class Symbol_table): Update declarations.
8301         * layout.cc: Include "mapfile.h".
8302         (Layout_task_runner::run): Print information to mapfile.
8303         (Layout::create_gold_note): Change Output_data_fixed_space to
8304         Output_data_zero_fill.
8305         (Layout::create_build_id): Likewise.
8306         (Layout::print_to_mapfile): New function.
8307         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
8308         constructor.  Change caller.
8309         (class Layout): Declare print_to_mapfile.
8310         * output.cc (Output_section::Input_section::print_to_mapfile): New
8311         function.
8312         (Output_section::add_input_section): If producing a map, always
8313         add to input_sections_ list.
8314         (Output_section::do_print_to_mapfile): New function.
8315         (Output_segment::print_sections_to_mapfile): New function.
8316         (Output_segment::print_section_list_to_mapfile): New function.
8317         * output.h: Include "mapfile.h".
8318         (Output_data::print_to_mapfile): New function.
8319         (Output_data::do_print_to_mapfile): New virtual function.
8320         (Output_segment_headers::do_print_to_mapfile): New function.
8321         (Output_file_header::do_print_to_mapfile): New function.
8322         (Output_data_const::do_print_to_mapfile): New function.
8323         (class Output_data_const_buffer): Add map_name_ field.  Update
8324         constructor.  Change all callers.  Add do_print_to_mapfile
8325         function.
8326         (class Output_data_fixed_space): Likewise.
8327         (class Output_data_space): Likewise.
8328         (class Output_data_zero_fill): New class.
8329         (Output_data_strtab::do_print_to_mapfile): New function.
8330         (Output_data_reloc_base::do_print_to_mapfile): New function.
8331         (Output_relocatable_relocs::do_print_to_mapfile): New function.
8332         (Output_data_group::do_print_to_mapfile): New function.
8333         (Output_data_got::do_print_to_mapfile): New function.
8334         (Output_data_dynamic::do_print_to_mapfile): New function.
8335         (Output_symtab_xindex::do_print_to_mapfile): New function.
8336         (class Output_section): Declare do_print_to_mapflie.  Declare
8337         print_to_mapfile in Input_section.
8338         (class Output_segment): Declare new functions.
8339         * object.h (Sized_relobj::symbol_count): New function.
8340         * script-sections.cc
8341         (Output_section_element_dot_assignment::set_section_addresses):
8342         Change Output_data_fixed_space to Output_data_zero_fill.
8343         (Output_data_expression::do_print_to_mapfile): New function.
8344         * script.cc (read_input_script): Add mapfile parameter.  Change
8345         all callers.
8346         * script.h (read_input_script): Update declaration.
8347         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
8348         (Eh_frame::do_print_to_mapfile): New function.
8349         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
8350         (Output_merge_string::do_print_to_mapfile): New function.
8351         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
8352         function.
8353         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
8354         function.
8355         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
8356         function.
8357         * Makefile.am (CCFILES): Add mapfile.cc.
8358         (HFILES): Add mapfile.h.
8359         * Makefile.in: Rebuild.
8361 2008-05-19  Ian Lance Taylor  <iant@google.com>
8363         * options.h (class General_options): Add -z relro.
8364         * layout.cc (Layout::Layout): Initialize relro_segment_.
8365         (Layout::add_output_section_data): Return the output section.
8366         (Layout::make_output_section): Rcognize relro sections and mark
8367         them appropriately.
8368         (Layout::attach_allocated_section_to_segment): Put relro sections
8369         in a PT_GNU_RELRO segment.
8370         (Layout::create_initial_dynamic_sections): Mark the .dynamic
8371         section as relro.
8372         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
8373         PT_TLS segments.
8374         (Layout::linkonce_mapping): Map d.rel.ro.local to
8375         .data.rel.ro.local.
8376         (Layout::output_section_name): Us .data.rel.ro.local for any
8377         section which begins with that.
8378         * layout.h (class Layout): Update add_output_section_data
8379         declaration.  Add relro_segment_ field.
8380         * output.cc (Output_section::Output_section): Initialize is_relro_
8381         and is_relro_local_ fields.
8382         (Output_segment::add_output_section): Group relro sections.
8383         (Output_segment::is_first_section_relro): New function.
8384         (Output_segment::maximum_alignment): If there is a relro section,
8385         align the segment to the common page size.
8386         (Output_segment::set_section_addresses): Track whether we are
8387         looking at relro sections.  If the last section is a relro
8388         section, align to the common page size.
8389         (Output_segment::set_section_list_addresses): Add in_relro
8390         parameter.  Change all callers.  Align to the page size when
8391         moving from relro to non-relro section.
8392         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
8393         segment.
8394         * output.h (class Output_section): Add is_relro_ and
8395         is_relro_local_ fields.
8396         (Output_section::is_relro): New function.
8397         (Output_section::set_is_relro): New function.
8398         (Output_section::is_relro_local): New function.
8399         (Output_section::set_is_relro_local): New function.
8400         (class Output_segment): Update declarations.
8401         * i386.cc (Target_i386::got_section): Mark .got section as relro.
8402         * sparc.cc (Target_sparc::got_section): Likewise.
8403         * x86_64.cc (Target_x86_64::got_section): Likewise.
8404         * testsuite/relro_test_main.cc: New file.
8405         * testsuite/relro_test.cc: New file.
8406         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
8407         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
8408         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
8409         (relro_test.so, relro_test_pic.o): New targets.
8410         * testsuite/Makefile.in: Rebuild.
8412 2008-05-16  Ian Lance Taylor  <iant@google.com>
8414         * output.cc (Output_segment::add_output_section): Remove front
8415         parameter.
8416         * output.h (class Output_segment): Remove
8417         add_initial_output_section and overloaded add_output_section.
8418         Update declaration of remaining add_output_section.
8419         * layout.cc (Layout::create_interp): Call add_output_section
8420         rather than add_initial_output_section.
8421         (Layout::finish_dynamic_section): Likewise.
8423         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
8424         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
8425         know the dynamic type.
8426         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
8427         field.  Initialize it in constructor.
8428         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
8429         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
8430         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
8431         reloc.
8433         * output.cc (Output_reloc::get_address): Change return type to
8434         Elf_Addr.
8435         * output.h (class Output_reloc): Update get_address declaration.
8436         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
8437         for section addresses.
8439 2008-05-09  Ian Lance Taylor  <iant@google.com>
8441         PR 6493
8442         * gold.cc (gold_nomem): Use return value of write.
8444 2008-05-08  Ian Lance Taylor  <iant@google.com>
8446         * symtab.c (Symbol::init_base_output_data): Add version
8447         parameter.  Change all callers.
8448         (Symbol::init_base_output_segment): Likewise.
8449         (Symbol::init_base_constant): Likewise.
8450         (Symbol::init_base_undefined): Likewise.
8451         (Sized_symbol::init_output_data): Likewise.
8452         (Sized_symbol::init_output_segment): Likewise.
8453         (Sized_symbol::init_constant): Likewise.
8454         (Sized_symbol::init_undefined): Likewise.
8455         (Symbol_table::do_define_in_output_data): If the new symbol has a
8456         version, mark it as the default.
8457         (Symbol_table::do_define_in_output_segment): Likewise.
8458         (Symbol_table::do_define_as_constant): Likewise.
8459         * symtab.h (class Symbol): Update declarations.
8460         (class Sized_symbol): Likewise.
8461         * resolve.cc (Symbol::override_version): New function.
8462         (Symbol::override_base): Call override_version.
8463         (Symbol::override_base_with_special): Likewise.
8464         * testsuite/ver_script_8.script: New file.
8465         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8466         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8467         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8468         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8470 2008-05-06  Ian Lance Taylor  <iant@google.com>
8472         PR 6049
8473         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8474         functions.
8475         (class General_options): Remove existing --undefined, and add
8476         --no-undefined instead.  Add new --undefined as synonym for -u.
8477         * archive.cc (Archive::add_symbols): Check whether symbol was
8478         named with -u.
8479         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8480         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8481         all uses.  Add IS_UNDEFINED.  Update declarations to split
8482         different versions of init_base.  Declare init_base_undefined.
8483         (Symbol::is_defined): Handle IS_UNDEFINED.
8484         (Symbol::is_undefined): Likewise.
8485         (Symbol::is_weak_undefined): Call is_undefined.
8486         (Symbol::is_absolute): Handle IS_CONSTANT.
8487         (class Sized_symbol): Update declarations to split different
8488         versions of init.  Declare init_undefined.
8489         (class Symbol_table): Declare new functions.
8490         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8491         Change all callers.
8492         (Symbol::init_base_output_data): Likewise.
8493         (Symbol::init_base_output_segment): Likewise.
8494         (Symbol::init_base_constant): Likewise.
8495         (Symbol::init_base_undefined): New function.
8496         (Sized_symbol::init_object): Rename from init.  Change all
8497         callers.
8498         (Sized_symbol::init_output_data): Likewise.
8499         (Sized_symbol::init_output_segment): Likewise.
8500         (Sized_symbol::init_constant): Likewise.
8501         (Sized_symbol::init_undefined): New function.
8502         (Symbol_table::add_undefined_symbols_from_command_line): New
8503         function.
8504         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8505         function.
8506         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8507         (Symbol::output_section): Likewise.
8508         (Symbol::set_output_section): Likewise.
8509         (Symbol_table::sized_finalize_symbol): Likewise.
8510         (Symbol_table::sized_write_globals): Likewise.
8511         * resolve.cc (Symbol_table::should_override): Likewise.
8512         (Symbol::override_base_with_special): Likewise.
8514         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8515         symbol, change it to have default visibility.
8516         * testsuite/protected_1.cc: New file.
8517         * testsuite/protected_2.cc: New file.
8518         * testsuite/protected_3.cc: New file.
8519         * testsuite/protected_main_1.cc: New file.
8520         * testsuite/protected_main_2.cc: New file.
8521         * testsuite/protected_main_3.cc: New file.
8522         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8523         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8524         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8525         (protected_1.so): New target.
8526         (protected_1_pic.o, protected_2_pic.o): New targets.
8527         (protected_3_pic.o): New target.
8528         (check_PROGRAMS): Add protected_2.
8529         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8530         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8531         * testsuite/Makefile.in: Rebuild.
8533         * options.h (DEFINE_var): Add set_user_set_##varname__.
8534         (DEFINE_bool_alias): New macro.
8535         (class General_options): Define -Bstatic using DEFINE_bool_alias
8536         rather than DEFINE_special.  Add --undefined as an alias for -z
8537         defs.
8538         * options.cc (General_options::parse_Bstatic): Remove.
8540         * options.h (class General_options): Add --fatal-warnings.
8541         * main.cc (main): Implement --fatal-warnings.
8542         * errors.h (Errors::warning_count): New function.
8544         * options.h (class General_options): Add -Bsymbolic-functions.
8545         * symtab.h (Symbol::is_preemptible): Check for
8546         -Bsymbolic-functions.
8548 2008-05-05  Ian Lance Taylor  <iant@google.com>
8550         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8551         as noVARNAME rather than no-VARNAME.
8552         (class General_options): Add option -z combreloc.
8553         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8554         get_address.
8555         (Output_reloc::sort_before) [SHT_REL]: New function.
8556         (Output_reloc::sort_before) [SHT_RELA]: New function.
8557         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8558         Sort_relocs_comparison.
8559         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8560         parameter.  Change all callers.
8561         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8562         sort_relocs parameter.  Change all callers.
8563         * output.cc (Output_reloc::get_address): New function, broken out
8564         of write_rel.
8565         (Output_reloc::write_rel): Call it.
8566         (Output_reloc::compare): New function.
8567         (Output_data_reloc_base::do_write): Optionally sort relocs.
8569         * configure.ac: If targ_extra_obj is set, link it in.
8570         * configure.tgt: Initialize all variables.
8571         (x86_64*): Set targ_extra_obj and targ_extra_size.
8572         * configure: Rebuild.
8574         * object.cc (Sized_relobj::include_section_group): Adjust section
8575         indexes read from group data.  Build vector to pass to
8576         layout_group.
8577         * layout.cc (Layout::layout_group): Add flags and shndxes
8578         parameters.  Remove contents parameter.  Change caller.  Update
8579         explicit instantiations.
8580         * layout.h (class Layout): Update layout_group declaration.
8581         * output.cc (Output_data_group::Output_data_group): Add flags and
8582         input_shndxes parameters.  Remove contents parameter.  Change
8583         caller.
8584         (Output_data_group::do_write): Change input_sections_ to
8585         input_shndxes_.
8586         * output.h (class Output_data_group): Update constructor
8587         declaration.  Rename input_sections_ to input_shndxes_.
8588         * testsuite/many_sections_test.cc: Add template.
8590 2008-04-30  Cary Coutant  <ccoutant@google.com>
8592         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8594         * layout.cc (Layout::include_section): Refactored check for debug
8595         info section.
8596         (Layout::add_comdat): Add new parameters.  Change type
8597         of signature parameter.  Add object and shndx to signatures table.
8598         (Layout::find_kept_object): New function.
8599         * layout.h: Include <cstring>.
8600         (Layout::is_debug_info_section): New function.
8601         (Layout::add_comdat): Add new parameters.
8602         (Layout::find_kept_object): New function.
8603         (Layout::Kept_section): New struct.
8604         (Layout::Signatures): Change type of map range.
8605         * object.cc (Relobj::output_section_address): New function.
8606         (Sized_relobj::include_section_group): Add new parameters.  Change
8607         calls to Layout::add_comdat.  Change to build table of kept comdat
8608         groups and table mapping discarded sections to kept sections.
8609         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8610         (Sized_relobj::do_layout): Change calls to include_section_group and
8611         include_linkonce_section.
8612         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8613         value to zero when section is discarded.
8614         (Sized_relobj::map_to_kept_section): New function.
8615         * object.h (Relobj::output_section_address): New function.
8616         (Relobj::Comdat_group): New type.
8617         (Relobj::find_comdat_group): New function.
8618         (Relobj::Comdat_group_table): New type.
8619         (Relobj::Kept_comdat_section): New type.
8620         (Relobj::Kept_comdat_section_table): New type.
8621         (Relobj::add_comdat_group): New function.
8622         (Relobj::set_kept_comdat_section): New function.
8623         (Relobj::get_kept_comdat_section): New function.
8624         (Relobj::comdat_groups_): New field.
8625         (Relobj::kept_comdat_sections_): New field.
8626         (Symbol_value::input_value): Update comment.
8627         (Sized_relobj::map_to_kept_section) New function.
8628         (Sized_relobj::include_linkonce_section): Add new parameter.
8629         * target-reloc.h (Comdat_behavior): New type.
8630         (get_comdat_behavior): New function.
8631         (relocate_section): Add code to map a discarded section to the
8632         corresponding kept section when applying a relocation.
8634 2008-04-30  Craig Silverstein  <csilvers@google.com>
8636         * dwarf_reader.cc (next_generation_count): New static var.
8637         (Addr2line_cache_entry): New struct.
8638         (addr2line_cache): New static var.
8639         (Dwarf_line_info::one_addr2line): Added caching.
8640         (Dwarf_line_info::clear_addr2line_cache): New function.
8641         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8642         cache-size parameter.
8643         (Dwarf_line_info::one_addr2line_cache): New function.
8644         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8645         new cache-size argument to one_addr2line(), and clear cache.
8647 2008-04-28  Cary Coutant  <ccoutant@google.com>
8649         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8650         R_386_PC8 relocations.
8652 2008-04-23  Ian Lance Taylor  <iant@google.com>
8654         * object.cc (Sized_relobj::include_section_group): Check for
8655         invalid section group.
8657         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8658         header size.
8660         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8661         than read for file header.
8662         * archive.cc (Archive::include_member): Likewise.
8664 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8666         * aclocal.m4: Regenerate.
8667         * configure: Regenerate.
8669 2008-04-19  Ian Lance Taylor  <iant@google.com>
8671         * version.cc (version_string): Bump to 1.6.
8673         * testsuite/Makefile.am (many_sections_r_test): New target.
8674         (many_sections_r_test_SOURCES): Remove.
8675         (many_sections_r_test_DEPENDENCIES): Remove.
8676         (many_sections_r_test_LDFLAGS): Remove.
8677         (many_sections_r_test_LDADD): Remove.
8679         * object.cc (Sized_relobj::do_add_symbols): Always pass
8680         local_symbol_count_ to add_from_relobj.
8682         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8683         every thousand variables.
8684         * testsuite/Makefile.in: Rebuild.
8686         * object.cc (Xindex::initialize_symtab_xindex): New function.
8687         (Xindex::read_symtab_xindex): New function.
8688         (Xindex::sym_xindex_to_shndx): New function.
8689         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8690         available.
8691         (Sized_relobj::do_initialize_xindex): New function.
8692         (Sized_relobj::do_read_symbols): Adjust section links.
8693         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8694         parameter.  Change all callers.
8695         (Sized_relobj::include_section_group): Adjust section links and
8696         symbol section indexes.
8697         (Sized_relobj::do_layout): Adjust section links.
8698         (Sized_relobj::do_count_local_symbols): Adjust section links and
8699         symbol section indexes.
8700         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8701         ordinary and special symbols.
8702         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8703         dynsym_xindex parameters.  Change all callers.  Adjust section
8704         links.  Use SHN_XINDEX when needed.
8705         (Sized_relobj::get_symbol_location_info): Adjust section links.
8706         Don't get fooled by special symbols.
8707         * object.h (class Xindex): Define.
8708         (class Object): Add xindex_ parameter.  Declare virtual functoin
8709         do_initialize_xindex.
8710         (Object::adjust_sym_shndx): New function.
8711         (Object::set_xindex): New protected function.
8712         (class Symbol_value): Add is_ordinary_shndx_ field.
8713         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8714         (Symbol_value::value): Assert ordinary section.
8715         (Symbol_value::initialize_input_to_output_map): Likewise.
8716         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8717         Change all callers.
8718         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8719         all callers.
8720         (class Sized_relobj): Update declarations.
8721         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8722         parameter.  Change all callers.
8723         (Sized_relobj::adjust_shndx): New function.
8724         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8725         field.
8726         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8727         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8728         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8729         (Sized_dynobj::read_dynsym_section): Adjust section links.
8730         (Sized_dynobj::read_dynamic): Likewise.
8731         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8732         section links.
8733         (Sized_dynobj::do_initialize_xindex): New function.
8734         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8735         do_initialize_xindex.
8736         (Sized_dynobj::adjust_shndx): New function.
8737         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8738         dynsym_xindex_ fields.
8739         (Layout::finalize): Add a call to set_section_indexes before
8740         creating the symtab sections.
8741         (Layout::set_section_indexes): Don't do anything if the section
8742         already has a section index.
8743         (Layout::create_symtab_sections): Add shnum parameter.  Change
8744         caller.  Create .symtab_shndx section if needed.
8745         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8746         caller.
8747         (Layout::allocated_output_section_count): New function.
8748         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8749         needed.
8750         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8751         fields.  Update declarations.
8752         (Layout::symtab_xindex): New function.
8753         (Layout::dynsym_xindex): New function.
8754         (class Write_symbols_task): Add layout_ field.
8755         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8756         Change caller.
8757         * output.cc (Output_section_headers::Output_section_headers): Add
8758         shstrtab_section parameter.  Change all callers.
8759         (Output_section_headers::do_sized_write): Store overflow values
8760         for section count and section string table section index in
8761         section header zero.
8762         (Output_file_header::do_sized_write): Check for overflow of
8763         section count and section string table section index.
8764         (Output_symtab_xindex::do_write): New function.
8765         (Output_symtab_xindex::endian_do_write): New function.
8766         * output.h (class Output_section_headers): Add shstrtab_section_.
8767         Update declarations.
8768         (class Output_symtab_xindex): Define.
8769         (Output_section::has_out_shndx): New function.
8770         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8771         field.
8772         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8773         Change all callers.
8774         (Sized_symbol::init): Likewise.
8775         (Symbol::output_section): Check for ordinary symbol.
8776         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8777         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8778         callers.
8779         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8780         Change all callers.  Simplify handling of symbols from sections
8781         not included in the link.
8782         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8783         distinction.
8784         (Weak_alias_sorter::operator()): Assert that symbols are
8785         ordinary.
8786         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8787         distinction.
8788         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8789         parameters.  Change all callers.
8790         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8791         symbol distinction.  Use SHN_XINDEX when needed.
8792         (Symbol_table::write_section_symbol): Add symtab_xindex
8793         parameter.  Change all callers.
8794         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8795         SHN_XINDEX when needed.
8796         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8797         declarations.
8798         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8799         (Symbol::is_defined): Check is_ordinary.
8800         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8801         (Symbol::is_absolute, Symbol::is_common): Likewise.
8802         (class Sized_symbol): Update declarations.
8803         (class Symbol_table): Update declarations.
8804         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8805         parameters.  Change all callers.
8806         (Sized_symbol::override): Likewise.
8807         (Symbol_table::override): Likewise.
8808         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8809         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8810         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8811         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8812         to be in an ordinary section.
8813         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8814         object and is_ordinary parameters.  Change all callers.
8815         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8816         Change all callers.  Don't add undefined or non-ordinary symbols
8817         to reloc_map_.
8818         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8819         Change all callers.
8820         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8821         declarations.
8822         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8823         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8824         (Sized_relobj::relocate_sections): Likewise.
8825         * target-reloc.h (scan_relocs): Adjust section symbol index.
8826         (scan_relocatable_relocs): Likewise.
8827         * i386.cc (Scan::local): Check for ordinary symbols.
8828         * sparc.cc (Scan::local): Likewise.
8829         * x86_64.cc (Scan::local): Likewise.
8830         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8831         to symbol_section_and_value.
8832         * testsuite/many_sections_test.cc: New file.
8833         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8834         (check_PROGRAMS): Add many_sections_test.
8835         (many_sections_test_SOURCES): Define.
8836         (many_sections_test_DEPENDENCIES): Define.
8837         (many_sections_test_LDFLAGS): Define.
8838         (BUILT_SOURCES): Add many_sections_define.h.
8839         (many_sections_define.h): New target.
8840         (BUILT_SOURCES): Add many_sections_check.h.
8841         (many_sections_check.h): New target.
8842         (check_PROGRAMS): Add many_sections_r_test.
8843         (many_sections_r_test_SOURCES): Define.
8844         (many_sections_r_test_DEPENDENCIES): Define.
8845         (many_sections_r_test_LDFLAGS): Define.
8846         (many_sections_r_test_LDADD): Define.
8847         (many_sections_r_test.o): New target.
8848         * testsuite/Makefile.in: Rebuild.
8850 2008-04-17  Cary Coutant  <ccoutant@google.com>
8852         * errors.cc (Errors::info): New function.
8853         (gold_info): New function.
8854         * errors.h (Errors::info): New function.
8855         * gold.h (gold_info): New function.
8856         * object.cc (Input_objects::add_object): Print trace output.
8857         * options.cc (options::parse_set): New function.
8858         (General_options::parse_wrap): Deleted.
8859         (General_options::General_options): Deleted initializer.
8860         * options.h (options::String_set): New typedef.
8861         (options::parse_set): New function.
8862         (DEFINE_set): New macro.
8863         (General_options::wrap): Changed to use DEFINE_set. Changed
8864         callers of any_wrap_symbols and is_wrap_symbol.
8865         (General_options::trace, General_options::trace_symbol):
8866         New options.
8867         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8868         (General_options::wrap_symbols_): Deleted.
8869         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8871 2008-04-17  David S. Miller  <davem@davemloft.net>
8873         * options.cc (General_options::parse_V): New function.
8874         * options.h: Add entries for -V and -Qy.
8876 2008-04-17  Ian Lance Taylor  <iant@google.com>
8878         * common.cc (Symbol_table::allocate_commons): Remove options
8879         parameter.  Change caller.
8880         (Symbol_table::do_allocate_commons): Remove options parameter.
8881         Change caller.  Just call do_allocate_commons_list twice.
8882         (Symbol_table::do_allocate_commons_list): New function, broken out
8883         of do_allocate_commons.
8884         * common.h (class Allocate_commons_task): Remove options_ field.
8885         Update constructor.
8886         * symtab.cc (Symbol_table::Symbol_table): Initialize
8887         tls_commons_.
8888         (Symbol_table::add_from_object): Put TLS common symbols on
8889         tls_commons_ list.
8890         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8891         which are IN_OUTPUT_DATA.
8892         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8893         allocate_commons and do_allocate_commons declarations.  Declare
8894         do_allocate_commons_list.
8895         * gold.cc (queue_middle_tasks): Update creation of
8896         Allocate_commons_task to not pass options.
8897         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8898         (TLS_TEST_C_FLAGS): New variable.
8899         (tls_test_c_pic.o): New target.
8900         (tls_test_shared.so): Link in tls_test_c_pic.o.
8901         (tls_test_c_pic_ie.o): New target.
8902         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8903         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8904         (tls_test_c.o): New target.
8905         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8906         (tls_pic_test_LDADD): Likewise.
8907         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8908         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8909         (tls_test_c_gnu2.o): New target.
8910         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8911         tls_test_c_gnu2.o.
8912         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8913         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8914         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8915         * testsuite/tls_test.cc: Include "config.h".
8916         (t_last): Call t11_last.
8917         * testsuite/tls_test.h (t11, t11_last): Declare.
8918         * testsuite/tls_test_c.c: New file.
8919         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8920         * configure.ac: Check for OpenMP support.
8921         * configure, config.in, Makefile.in: Rebuild.
8922         * testsuite/Makefile.in: Rebuild.
8924 2008-04-16  Cary Coutant  <ccoutant@google.com>
8926         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8927         (Target_i386::tls_base_symbol_defined_): New field.
8928         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8929         (Target_i386::Scan::global): Likewise.
8930         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8931         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8932         (Target_x86_64::tls_base_symbol_defined_): New field.
8933         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8934         (Target_x86_64::Scan::global): Likewise.
8936 2008-04-16  Cary Coutant  <ccoutant@google.com>
8938         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8939         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8940         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8941         building shared libraries.
8942         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8943         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8944         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8945         * testsuite/Makefile.in: Rebuild.
8946         * testsuite/weak_undef.h: New file.
8947         * testsuite/weak_undef_file1.cc: Add extra test cases.
8948         * testsuite/weak_undef_file2.cc: Likewise.
8949         * testsuite/weak_undef_test.cc: Likewise.
8951 2008-04-16  David S. Miller  <davem@davemloft.net>
8953         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8954         Add issued_non_pic_error_ field.  Declare check_non_pic.
8955         (Target_sparc::Scan::check_non_pic): New function.
8956         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8957         (Target_sparc::Scan::global): Likewise.
8959         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8960         * configure: Rebuild.
8962         * options.h (DEFINE_enable): New macro.
8963         (new_dtags): New enable option.
8964         (initfirst, interpose, loadfltr, nodefaultlib,
8965         nodelete, nodlopen, nodump): New -z options.
8966         * layout.cc (Layout:finish_dynamic_section): If new
8967         dtags enabled, emit DT_RUNPATH.  Also, emit a
8968         DT_FLAGS_1 containing any specified -z flags.
8970 2008-04-16  Ian Lance Taylor  <iant@google.com>
8972         * copy-relocs.cc: New file.
8973         * copy-relocs.h: New file.
8974         * reloc.cc: Remove Copy_relocs code.
8975         * reloc.h: Likewise.
8976         * reloc-types.h (struct Reloc_types) [both versions]: Add
8977         get_reloc_addend_noerror.
8978         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8979         variants of add_global which take an addend which must be zero.
8980         * i386.cc: Include "copy-relocs.h".
8981         (class Target_i386): Change type of copy_relocs_ to variable,
8982         update initializer.
8983         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8984         Change all callers.
8985         (Target_i386::do_finalize_sections): Change handling of
8986         copy_relocs_.
8987         * sparc.cc: Include "copy-relocs.h".
8988         (class Target_sparc): Change type of copy_relocs_ to variable,
8989         update initializer.
8990         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8991         Change all callers.
8992         (Target_sparc::do_finalize_sections): Change handling of
8993         copy_relocs_.
8994         * x86_64.cc: Include "copy-relocs.h".
8995         (class Target_x86_64): Change type of copy_relocs_ to variable,
8996         update initializer.
8997         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8998         class.  Change all callers.
8999         (Target_x86_64::do_finalize_sections): Change handling of
9000         copy_relocs_.
9001         * Makefile.am (CCFILES): Add copy-relocs.cc.
9002         (HFILES): Add copy-relocs.h.
9004         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
9006         * testsuite/script_test_4.sh: Permit leading zeroes.
9008 2008-04-15  Ian Lance Taylor  <iant@google.com>
9010         * script-sections.cc (Script_sections::create_segments): Use
9011         header_size_adjustment even when there is enough room for the
9012         headers.
9013         * testsuite/script_test_4.sh: New file.
9014         * testsuite/script_test_4.t: New file.
9015         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
9016         (check_DATA): Add script_test_4.stdout.
9017         (MOSTLYCLEANFILES): Likewise.
9018         (script_test_4): New target.
9019         (script_test_4.stdout): New target.
9020         * testsuite/Makefile.in: Rebuild.
9022         * sparc.cc: Add definitions for Output_data_plt_sparc class
9023         constants.
9025 2008-04-14  David S. Miller  <davem@davemloft.net>
9027         * sparc.cc: New file.
9028         * Makefile.am (TARGETSOURCES): Add sparc.cc
9029         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
9030         * configure.tgt: Document targ_extra_size and
9031         targ_extra_big_endian.  Add entries for sparc-* and
9032         sparc64-*.
9033         * configure.ac: Handle targ_extra_size and
9034         targ_extra_big_endian.
9035         * Makefile.in: Rebuild.
9036         * configure: Likewise.
9037         * po/POTFILES.in: Likewise.
9038         * po/gold.pot: Likewise.
9040 2008-04-14  Ian Lance Taylor  <iant@google.com>
9042         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
9043         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
9044         in the name/type/flags to section mapping.  Don't call
9045         allocate_output_section.
9046         (Layout::choose_output_section): Change parameter from adjust_name
9047         to is_input_section.  Don't permit input sections after sections
9048         are attached to segments.  Don't call allocate_output_section.
9049         (Layout::layout_eh_frame): Call update_flags_for_input_section,
9050         not write_enable_output_section.
9051         (Layout::make_output_section): Don't push to
9052         unattached_section_list_ nor call attach_to_segment.  Call
9053         attach_section_to_segment if sections are attached.
9054         (Layout::attach_sections_to_segments): New function.
9055         (Layout::attach_section_to_segment): New function.
9056         (Layout::attach_allocated_section_to_segment): Rename from
9057         attach_to_segment.  Remove flags parameter.
9058         (Layout::allocate_output_section): Remove function.
9059         (Layout::write_enable_output_section): Remove function.
9060         * layout.h (class Layout): Update for above changes.  Add new
9061         field sections_are_attached_.
9062         * output.h (Output_section::update_flags_for_input_section): New
9063         function.
9064         * output.cc (Output_section::add_input_section): Call
9065         update_flags_for_input_section.
9066         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
9068 2008-04-11  Cary Coutant  <ccoutant@google.com>
9070         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
9071         thought unnecessary.
9072         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
9074 2008-04-11  Ian Lance Taylor  <iant@google.com>
9076         * output.h (class Output_section_data): Remove inline definition
9077         of set_addralign.
9078         * output.cc (Output_section_data::set_addralign): New function.
9080 2008-04-11  Cary Coutant  <ccoutant@google.com>
9082         Add support for TLS descriptors for i386 and x86_64.
9083         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
9084         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
9085         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
9086         GOT_TYPE_TLS_DESC.
9087         (Target_i386::got_mod_index_entry): Remove unnecessary code.
9088         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
9089         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
9090         relocations.
9091         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
9092         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
9093         Fix problem with initial-exec relocations.
9094         (Target_i386::Relocate::relocate_tls): Likewise.
9095         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
9096         relaxation.
9097         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
9098         support for section-plus-offset dynamic table entries.
9099         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
9100         (Output_data_dynamic::Dynamic_entry): Add support for
9101         section-plus-offset dynamic table entries.
9102         (Output_data_dynamic::Classification): Likewise.
9103         (Output_data_dynamic::classification_): Renamed offset_.
9104         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
9105         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
9106         (Target_x86_64::make_plt_section): New function.
9107         (Target_x86_64::reserve_tlsdesc_entries): New function.
9108         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
9109         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
9110         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
9111         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
9112         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
9113         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
9114         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
9115         add extra PLT entry for TLS descriptors.
9116         (Output_data_plt_x86_64::got_): New field.
9117         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
9118         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
9119         fields.
9120         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
9121         descriptors.
9122         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
9123         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
9124         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
9125         R_386_TLS_DESC_CALL relocations.
9126         (Target_x86_64::Scan::global): Likewise.
9127         (Target_x86_64::do_finalize_sections): Add dynamic table entries
9128         for TLS descriptors.
9129         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
9130         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
9131         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
9132         GD-to-IE relaxation.
9133         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
9134         and TLS_DESCRIPTORS.
9135         * Makefile.in: Rebuild.
9136         * configure: Rebuild.
9137         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
9138         (tls_test_shared2.so): New target.
9139         (tls_shared_gd_to_ie_test_SOURCES): New variable.
9140         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
9141         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
9142         (tls_shared_gd_to_ie_test_LDADD): New variable.
9143         (tls_shared_gnu2_gd_to_ie_test): New target.
9144         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
9145         New targets.
9146         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
9147         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
9148         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
9149         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
9150         (tls_shared_gnu2_test): New target.
9151         (tls_test_gnu2_shared.so): New target.
9152         (tls_shared_gnu2_test_SOURCES): New variable.
9153         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
9154         (tls_shared_gnu2_test_LDFLAGS): New variable.
9155         (tls_shared_gnu2_test_LDADD): New variable.
9156         * testsuite/Makefile.in: Rebuild.
9157         * testsuite/Makefile.
9159 2008-04-11  Ian Lance Taylor  <iant@google.com>
9161         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
9162         justsyms.t.
9163         * testsuite/Makefile.in: Rebuild.
9165         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
9166         long.
9167         * testsuite/script_test_2.cc (main): Adjust test.
9169 2008-04-11  David S. Miller  <davem@davemloft.net>
9170             Ian Lance Taylor  <iant@google.com>
9172         * options.h (General_options): Add entries for '-Y' and
9173         '-relax'.
9174         * options.cc (General_options:finalize): If -Y was used, add those
9175         entries to the library path instead of the default "/lib" and
9176         "/usr/lib".
9178 2008-04-11  David S. Miller  <davem@davemloft.net>
9180         * testsuite/justsyms.t: Start at 0x100.
9181         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
9182         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
9183         long.
9184         * testsuite/script_test_2.cc: Adjust string and section length
9185         checks.
9187 2008-04-09  Ian Lance Taylor  <iant@google.com>
9189         PR gold/5996
9190         * script-sections.cc (Sections_element::allocate_to_segment): Add
9191         orphan parameter.
9192         (Output_section_definition::allocate_to_segment): Likewise.
9193         (Orphan_output_section::allocate_to_segment): Likewise.
9194         (Script_sections::attach_sections_using_phdrs_clause): Don't
9195         propagate non-PT_LOAD segments to orphan sections.
9196         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9197         readelf rather than objdump.
9198         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9199         .interp section and PT_INTERP segment are the same size.
9200         * testsuite/Makefile.in: Rebuild.
9202         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9203         aliases for symbols defined in the same object.
9204         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9205         (weak_alias_test_SOURCES): New variable.
9206         (weak_alias_test_DEPENDENCIES): New variable.
9207         (weak_alias_test_LDFLAGS): New variable.
9208         (weak_alias_test_LDADD): New variable.
9209         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9210         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9211         (weak_alias_test_3.o): New target.
9212         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9213         * testsuite/weak_alias_test_main.cc: New file.
9214         * testsuite/weak_alias_test_1.cc: New file.
9215         * testsuite/weak_alias_test_2.cc: New file.
9216         * testsuite/weak_alias_test_3.cc: New file.
9218 2008-04-08  Ian Lance Taylor  <iant@google.com>
9220         * options.h (class General_options): Add --noinhibit-exec option.
9221         * main.cc (main): Check --noinhibit-exec.
9223         * options.h (class General_options): Define --wrap as a special
9224         option.  Add wrap_symbols_ field.
9225         (General_options::any_wrap_symbols): New function.
9226         (General_options::is_wrap_symbol): New function.
9227         * options.cc (General_options::parse_wrap): New function.
9228         (General_options::General_options): Initialize wrap_symbols_.
9229         * symtab.cc (Symbol_table::wrap_symbol): New function.
9230         (Symbol_table::add_from_object): Handle --wrap.
9231         * symtab.h (class Symbol_table): Declare wrap_symbol.
9232         * target.h (Target::wrap_char): New function.
9233         (Target::Target_info): Add wrap_char field.
9234         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9235         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9236         * testsuite/testfile.cc (Target_test::test_target_info):
9237         Likewise.
9239         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9240         there is one.
9242         * layout.h (class Layout): Add added_eh_frame_data_ field.
9243         * layout.cc (Layout::Layout): Initialize new field.
9244         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9245         output section until we find a section we merged successfully.
9246         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9247         that the size be non-zero.
9249         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9250         qualifier.
9252 2008-04-08  Craig Silverstein  <csilvers@google.com>
9254         * configure.ac: Export new conditional variable HAVE_ZLIB.
9255         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9256         on HAVE_ZLIB.
9257         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9258         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9260 2008-04-07  Ian Lance Taylor  <iant@google.com>
9262         * version.cc (version_string): Set to "1.5".
9264         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9265         Add issued_non_pic_error_ field.  Declare check_non_pic.
9266         (Target_x86_64::Scan::check_non_pic): New function.
9267         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9268         (Target_x86_64::Scan::global): Likewise.
9270         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9271         addend parameter.  Change caller.  Handle merge sections.
9272         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9273         Address to Addend.  Don't add in the result of
9274         local_section_offset, pass down the addend and use the returned
9275         value.
9276         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9277         Update declarations of local_section_offset and symbol_value.
9278         * testsuite/two_file_test_1.cc (t18): New function.
9279         * testsuite/two_file_test_2.cc (f18): New function.
9280         * testsuite/two_file_test_main.cc (main): Call t18.
9281         * testsuite/two_file_test.h (t18, f18): Declare.
9283         * configure.ac: Don't test for objdump, c++filt, or readelf.
9284         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
9285         conditionals.
9286         (TEST_READELF): New variable.
9287         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
9288         (check_PROGRAMS): Add two_file_strip_test.
9289         (two_file_strip_test): New target.
9290         (check_PROGRAMS): Add two_file_same_shared_strip_test.
9291         (two_file_same_shared_strip_test_SOURCES): New variable.
9292         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
9293         (two_file_same_shared_strip_test_LDFLAGS): New variable.
9294         (two_file_same_shared_strip_test_LDADD): New variable.
9295         (two_file_shared_strip.so): New target.
9296         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
9297         (ver_test_5.syms, ver_test_7.syms): Likewise.
9298         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
9299         (strip_test_3.stdout): Use TEST_OBJDUMP.
9300         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9302 2008-04-04  Cary Coutant  <ccoutant@google.com>
9304         * symtab.h (Symbol::is_weak_undefined): New function.
9305         (Symbol::is_strong_undefined): New function.
9306         (Symbol::is_absolute): New function.
9307         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
9308         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
9309         absolute symbols.
9310         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
9311         (weak_undef_test): New target.
9312         * testsuite/Makefile.in: Rebuild.
9313         * testsuite/weak_undef_file1.cc: New file.
9314         * testsuite/weak_undef_file2.cc: New file.
9315         * testsuite/weak_undef_test.cc: New file.
9317 2008-04-03  Craig Silverstein  <csilvers@google.com>
9319         * compressed_output.h (class Output_compressed_section): Use
9320         unsigned buffer.
9321         * compressed_output.cc (zlib_compress): Use unsigned buffers,
9322         add zlib header.
9323         (zlib_compressed_suffix): Removed.
9324         (Output_compressed_section::set_final_data_size): Use unsigned
9325         buffers.
9326         * testsuite/Makefile.am (flagstest_compress_debug_sections):
9327         Fix linker invocation.
9328         (flagstest_o_specialfile_and_compress_debug_sections):
9329         Likewise.
9330         * testsuite/Makefile.in: Regenerated.
9332 2008-04-02  David S. Miller  <davem@davemloft.net>
9334         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
9335         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
9337 2008-04-02  Craig Silverstein  <csilvers@google.com>
9339         * TODO: New file.
9341 2008-04-02  Ian Lance Taylor  <iant@google.com>
9343         * fileread.cc (File_read::find_view): Add byteshift and vshifted
9344         parameters.  Update for new key type to views_.  Change all
9345         callers.
9346         (File_read::read): Adjust for byteshift in returned view.
9347         (File_read::add_view): New function, broken out of
9348         find_and_make_view.
9349         (File_read::make_view): New function, broken out of
9350         find_and_make_view.
9351         (File_read::find_or_make_view): Add offset and aligned
9352         parameters.  Rewrite accordingly.  Change all callers.
9353         (File_read::get_view): Add offset and aligned parameters.  Adjust
9354         for byteshift in return value.
9355         (File_read::get_lasting_view): Likewise.
9356         * fileread.h (class File_read): Update declarations.
9357         (class File_read::View): Add byteshift_ field.  Add byteshift to
9358         constructor.  Add byteshift method.
9359         * archive.h (Archive::clear_uncached_views): New function.
9360         (Archive::get_view): Add aligned parameter.  Change all callers.
9361         * object.h (Object::get_view): Add aligned parameter.  Change all
9362         callers.
9363         (Object::get_lasting_view): Likewise.
9365         * fileread.cc (File_read::release): Don't call clear_views if
9366         there are multiple objects.
9367         * fileread.h (File_read::clear_uncached_views): New function.
9368         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
9369         on the archive.
9371 2008-03-31  Cary Coutant  <ccoutant@google.com>
9373         Add thin archive support.
9374         * archive.cc (Archive::armagt): New const.
9375         (Archive::setup): Remove task parameter and calls to unlock.
9376         (Archive::unlock_nested_archives): New function.
9377         (Archive::read_header): Add nested_off parameter. Change
9378         all callers.
9379         (Archive::interpret_header): Likewise.
9380         (Archive::include_all_members): Change to handle thin
9381         archives.
9382         (Archive::include_member): Likewise.
9383         * archive.h (Archive::Archive): Add new parameters and
9384         initializers.
9385         (Archive::armagt): New const.
9386         (Archive::setup): Remove task parameter.
9387         (Archive::unlock_nested_archives): New function.
9388         (Archive::read_header): Add nested_off parameter.
9389         (Archive::interpret_header): Likewise.
9390         (Archive::Nested_archive_table): New typedef.
9391         (Archive::is_thin_archive_): New field.
9392         (Archive::nested_archives_): New field.
9393         (Archive::options_): New field.
9394         (Archive::dirpath_): New field.
9395         (Archive::task_): New field.
9396         * readsyms.cc (Read_symbols::do_read_symbols): Add check
9397         for thin archives.  Pass additional parameters to
9398         Archive::Archive.  Unlock the archive file after calling
9399         Archive::setup.
9401 2008-03-29  Ian Lance Taylor  <iant@google.com>
9403         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
9404         version symbol to be local.
9405         * testsuite/ver_test_4.sh: New file.
9406         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
9407         (check_DATA): Add ver_test_4.syms.
9408         (ver_test_4.syms): New target.
9409         * testsuite/Makefile.in: Rebuild.
9411         * output.cc
9412         (Output_section::Input_section_sort_entry::has_priority): New
9413         function.
9414         (Output_section::Input_section_sort_entry::match_file_name): New
9415         function.
9416         (Output_section::Input_section_sort_entry::match_section_name):
9417         Remove.
9418         (Output_section::Input_section_sort_entry::match_section_name_prefix):
9419         Remove.
9420         (Output_section::Input_section_sort_entry::match_section_file):
9421         Remove.
9422         (Output_section::Input_section_sort_compare::operator()): Rewrite
9423         using new Input_section_sort_entry functions.  Sort crtbegin and
9424         crtend first.  Sort sections with no priority before sections with
9425         a priority.
9426         * testsuite/initpri1.c (d3): Check j != 4.
9427         (cd5): New constructor/destructor function.
9428         (main): Check j != 2.
9430         * symtab.cc (Symbol_table::add_from_object): If we don't use the
9431         new symbol when resolving, don't call set_is_default.
9432         * testsuite/ver_test_7.cc: New file.
9433         * testsuite/ver_test_7.sh: New file.
9434         * testsuite/Makefile.am (ver_test_7.so): New target.
9435         (ver_test_7.o): New target.
9436         (check_SCRIPTS): Add ver_test_7.sh.
9437         (check_DATA): Add ver_test_7.syms.
9438         (ver_test_7.syms): New target.
9440 2008-03-28  Ian Lance Taylor  <iant@google.com>
9442         * layout.cc (Layout::layout): If we see an input section with a
9443         name that needs sorting, set the must_sort flag for the output
9444         section.
9445         (Layout::make_output_section): If the name of the output section
9446         indicates that it might require sorting, set the may_sort flag.
9447         * output.h (Output_section::may_sort_attached_input_sections): New
9448         function.
9449         (Output_section::set_may_sort_attached_input_sections): New
9450         function.
9451         (Output_section::must_sort_attached_input_sections): New
9452         function.
9453         (Output_section::set_must_sort_attached_input_sections): New
9454         function.
9455         (class Output_section): Declare Input_section_sort_entry.  Define
9456         Input_section_sort_compare.  Declare
9457         sort_attached_input_sections.  Add new fields:
9458         may_sort_attached_input_sections_,
9459         must_sort_attached_input_sections_,
9460         attached_input_sections_are_sorted_.
9461         * output.cc (Output_section::Output_section): Initialize new
9462         fields.
9463         (Output_section::add_input_section): Add an entry to
9464         input_sections_ if may_sort or must_sort are true.
9465         (Output_section::set_final_data_size): Call
9466         sort_attached_input_sections if necessary.
9467         (Output_section::Input_section_sort_entry): Define new class.
9468         (Output_section::Input_section_sort_compare::operator()): New
9469         function.
9470         (Output_section::sort_attached_input_sections): New function.
9471         * configure.ac: Check whether the compiler supports constructor
9472         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9473         * testsuite/initpri1.c: New file.
9474         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9475         CONSTRUCTOR_PRIORITY.
9476         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9477         (initpri1_LDFLAGS): New variable.
9478         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9480 2008-03-27  Ian Lance Taylor  <iant@google.com>
9482         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9483         * testsuite/common_test_1.c: New file.
9484         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9485         (common_test_1_SOURCES): New variable.
9486         (common_test_1_DEPENDENCIES): New variable.
9487         (common_test_1_LDFLAGS): New variable.
9489         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9490         and commons_ correctly when NAME/VERSION does not override
9491         NAME/NULL.
9492         * testsuite/ver_test_6.c: New file.
9493         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9494         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9495         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9497 2008-03-26  Ian Lance Taylor  <iant@google.com>
9499         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9500         of an undefined symbol from a version script.
9501         * testsuite/Makefile.am (ver_test_5.so): New target.
9502         (ver_test_5.o): New target.
9503         (check_SCRIPTS): Add ver_test_5.sh.
9504         (check_DATA): Add ver_test_5.syms.
9505         (ver_test_5.syms): New target.
9506         * testsuite/ver_test_5.cc: New file.
9507         * testsuite/ver_test_5.script: New file.
9508         * testsuite/ver_test_5.sh: New file.
9509         * Makefile.in, testsuite/Makefile.in: Rebuild.
9511         PR gold/5986
9512         Fix problems building gold with gcc 4.3.0.
9513         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9514         (gold_error_at_location, gold_warning_at_location): Use it.
9515         * configure.ac: Check whether we can compile and use a template
9516         function with a printf attribute.
9517         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9518         when jumping over bytes.
9519         * object.cc: Instantiate Object::read_section_data.
9520         * debug.h: Include <cstring>
9521         * dwarf_reader.cc: Include <algorithm>
9522         * main.cc: Include <cstring>.
9523         * options.cc: Include <cstring>.
9524         * output.cc: Include <cstring>.
9525         * script.cc: Include <cstring>.
9526         * script.h: Include <string>.
9527         * symtab.cc: Include <cstring> and <algorithm>.
9528         * target-select.cc: Include <cstring>.
9529         * version.cc: Include <string>.
9530         * testsuite/testmain.cc: Include <cstdlib>.
9531         * configure, config.in: Rebuild.
9533 2008-03-25  Ian Lance Taylor  <iant@google.com>
9535         * options.cc: Include "../bfd/bfdver.h".
9536         (options::help): Print bug reporting address.
9538         * version.cc (print_version): Adjust output for current value of
9539         BFD_VERSION_STRING.
9541         * NEWS: New file.
9543         * options.cc (options::help): Print list of supported targets.
9544         * target-select.h: Include <vector>.
9545         (class Target_selector): Make machine_, size_, and is_big_endian_
9546         fields const.  Add bfd_name_ and instantiated_target_ fields.
9547         (Target_selector::Target_selector): Add bfd_name parameter.
9548         (Target_selector::recognize): Make non-virtual, call
9549         do_recognize.
9550         (Target_selector::recognize_by_name): Make non-virtual, call
9551         do_recognize_by_name.
9552         (Target_selector::supported_names): New function.
9553         (Target_selector::bfd_name): New function.
9554         (Target_selector::do_instantiate_target): New pure virtual
9555         function.
9556         (Target_selector::do_recognize): New virtual function.
9557         (Target_selector::do_recognize_by_name): New virtual function.
9558         (Target_selector::instantiate_target): New private function.
9559         (supported_target_names): Declare.
9560         * target-select.cc (Target_selector::Target_selector): Update for
9561         new parameter and fields.
9562         (select_target_by_name): Check that the name matches before
9563         calling recognize_by_name.
9564         (supported_target_names): New function.
9565         * i386.cc (class Target_selector_i386): Update Target_selector
9566         constructor call.  Remove recognize and recognize_by_name.  Add
9567         do_instantiate_target.
9568         * x86_64.cc (class Target_selector_x86_64): Likewise.
9569         * testsuite/testfile.cc (class Target_selector_test): Update for
9570         changes to Target_selector.
9572         * README: Rewrite, with some notes on unsupported features.
9574 2008-03-24  Cary Coutant  <ccoutant@google.com>
9576         * i386.cc (Target_i386::Got_type): New enum declaration.
9577         (Target_i386::Scan::local): Updated callers of Output_data_got
9578         member functions.
9579         (Target_i386::Scan::global): Likewise.
9580         (Target_i386::Relocate::relocate): Likewise.
9581         (Target_i386::Relocate::relocate_tls): Likewise.
9582         * object.h (Got_offset_list): New class.
9583         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9584         (Sized_relobj::local_got_offset): Likewise.
9585         (Sized_relobj::set_local_got_offset): Likewise.
9586         (Sized_relobj::local_has_tls_got_offset): Removed.
9587         (Sized_relobj::local_tls_got_offset): Removed.
9588         (Sized_relobj::set_local_tls_got_offset): Removed.
9589         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9590         * output.cc (Output_data_got::add_global): Added got_type parameter.
9591         (Output_data_got::add_global_with_rel): Likewise.
9592         (Output_data_got::add_global_with_rela): Likewise.
9593         (Output_data_got::add_global_pair_with_rel): New function.
9594         (Output_data_got::add_global_pair_with_rela): New function.
9595         (Output_data_got::add_local): Added got_type parameter.
9596         (Output_data_got::add_local_with_rel): Likewise.
9597         (Output_data_got::add_local_with_rela): Likewise.
9598         (Output_data_got::add_local_pair_with_rel): New function.
9599         (Output_data_got::add_local_pair_with_rela): New function.
9600         (Output_data_got::add_global_tls): Removed.
9601         (Output_data_got::add_global_tls_with_rel): Removed.
9602         (Output_data_got::add_global_tls_with_rela): Removed.
9603         (Output_data_got::add_local_tls): Removed.
9604         (Output_data_got::add_local_tls_with_rel): Removed.
9605         (Output_data_got::add_local_tls_with_rela): Removed.
9606         * output.h (Output_data_got::add_global): Added got_type parameter.
9607         (Output_data_got::add_global_with_rel): Likewise.
9608         (Output_data_got::add_global_with_rela): Likewise.
9609         (Output_data_got::add_global_pair_with_rel): New function.
9610         (Output_data_got::add_global_pair_with_rela): New function.
9611         (Output_data_got::add_local): Added got_type parameter.
9612         (Output_data_got::add_local_with_rel): Likewise.
9613         (Output_data_got::add_local_with_rela): Likewise.
9614         (Output_data_got::add_local_pair_with_rel): New function.
9615         (Output_data_got::add_local_pair_with_rela): New function.
9616         (Output_data_got::add_global_tls): Removed.
9617         (Output_data_got::add_global_tls_with_rel): Removed.
9618         (Output_data_got::add_global_tls_with_rela): Removed.
9619         (Output_data_got::add_local_tls): Removed.
9620         (Output_data_got::add_local_tls_with_rel): Removed.
9621         (Output_data_got::add_local_tls_with_rela): Removed.
9622         * resolve.cc (Symbol::override_base_with_special): Removed
9623         reference to has_got_offset_ field.
9624         * symtab.cc (Symbol::init_fields): Replaced initialization
9625         of got_offset_ with got_offsets_.  Removed initialization
9626         of has_got_offset_
9627         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9628         (Symbol::got_offset): Likewise.
9629         (Symbol::set_got_offset): Likewise.
9630         (Symbol::has_tls_got_offset): Removed.
9631         (Symbol::tls_got_offset): Removed.
9632         (Symbol::set_tls_got_offset): Removed.
9633         (Symbol::got_offset_): Removed.
9634         (Symbol::tls_mod_got_offset_): Removed.
9635         (Symbol::tls_pair_got_offset_): Removed.
9636         (Symbol::got_offsets_): New field.
9637         (Symbol::has_got_offset): Removed.
9638         (Symbol::has_tls_mod_got_offset): Removed.
9639         (Symbol::has_tls_pair_got_offset): Removed.
9640         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9641         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9642         member functions.
9643         (Target_x86_64::Scan::global): Likewise.
9644         (Target_x86_64::Relocate::relocate): Likewise.
9645         (Target_x86_64::Relocate::relocate_tls): Likewise.
9647 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9649         * yyscript.y: Fix spelling error in comment.
9651 2008-03-24  Ian Lance Taylor  <iant@google.com>
9653         * options.h (class General_options): Define build_id option.
9654         * layout.h (class Layout): Declare write_build_id, create_note,
9655         create_build_id.  Add build_id_note_ member.
9656         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9657         "libiberty.h", "md5.h", "sha1.h".
9658         (Layout::Layout): Initialize eh_frame_data_,
9659         eh_frame_hdr_section_, and build_id_note_.
9660         (Layout::finalize): Call create_build_id.
9661         (Layout::create_note): New function, broken out of
9662         Layout::create_gold_note.
9663         (Layout::create_gold_note): Call create_note.
9664         (Layout::create_build_id): New function.
9665         (Layout::write_build_id): New function.
9666         (Close_task_runner::run): Call write_build_id.
9668         * x86_64.cc: Correct license to GPLv3.
9670 2008-03-23  Ian Lance Taylor  <iant@google.com>
9672         * options.cc: Include "demangle.h".
9673         (parse_optional_string): New function.
9674         (parse_long_option): Handle takes_optional_argument.
9675         (parse_short_option): Update dash_z initializer.  Handle
9676         takes_optional_argument.
9677         (General_options::General_options): Initialize do_demangle_.
9678         (General_options::finalize): Set do_demangle_.  Handle demangling
9679         style.
9680         * options.h (parse_optional_string): Declare.
9681         (struct One_option): Add optional_arg field.  Update constructor.
9682         Update call constructor calls.  Add takes_optional_argument
9683         function.
9684         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9685         (DEFINE_optional_string): Define.
9686         (General_options::demangle): Change from DEFINE_bool to
9687         DEFINE_optional_string.
9688         (General_options::no_demangle): New function.
9689         (General_options::do_demangle): New function.
9690         (General_options::set_do_demangle): New function.
9691         (General_options::execstack_status_): Move definition to end of
9692         class definition.
9693         (General_options::static_): Likewise.
9694         (General_options::do_demangle_): New field.
9695         * object.cc (big_endian>::get_symbol_location_info): Call
9696         Options::do_demangle, not Options::demangle.
9697         * symtab.cc (demangle): Likewise.
9699 2008-03-22  Ian Lance Taylor  <iant@google.com>
9701         * gold.h: Include <cstddef> and <sys/types.h>
9702         * options.h: Include <cstring>.
9704 2008-03-21  Ian Lance Taylor  <iant@google.com>
9706         * Added source code to GNU binutils.