* testsuite/relro_test.sh: Fail if dc is not present.
[binutils.git] / gold / ChangeLog
blobde3c3453ff59bfbc8dae269ee9842d0a5d9c74ff
1 2011-03-21  Ian Lance Taylor  <iant@google.com>
3         * testsuite/final_layout.sh: Rewrite to not use dc.
4         * testsuite/relro_test.sh: Fail if dc is not present.
6 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
8         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
9         Change == to -eq.
10         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
11         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
12         Change == to -eq.
13         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
14         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
16 2011-03-14  Ian Lance Taylor  <iant@google.com>
18         * script-sections.cc (Sort_output_sections::script_compare):
19         Rename from is_before, change return type.
20         (Sort_output_sections::operator()): Adjust accordingly.
22 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
24         PR gold/12572
25         * testsuite/odr_violation2.cc: Add comment to make all error line
26         numbers double digits.
27         * testsuite/debug_msg.sh: Adjust expected errors.
29 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
31         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
32         but mark earlier ones as non-canonical
33         (offset_to_iterator): Update search target and example
34         (do_addr2line): Return extra lines in a vector*
35         (format_file_lineno): Extract from do_addr2line
36         (one_addr2line): Add vector* out-param
37         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
38         when a lineno entry appeared last for its instruction
39         (Dwarf_line_info): Add vector* out-param
40         * object.cc (Relocate_info): Pass NULL for the vector* out-param
41         * symtab.cc (Odr_violation_compare): Include the lineno in the
42         comparison again.
43         (linenos_from_loc): New. Combine the canonical line for an
44         address with its other lines.
45         (True_if_intersect): New. Helper functor to make
46         std::set_intersection a query.
47         (detect_odr_violations): Compare sets of lines instead of just
48         one line for each function. This became less deterministic, but
49         has fewer false positives.
50         * symtab.h: Declarations.
51         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
52         mix an optimized and non-optimized object in the same binary
53         (odr_violation2.so): Same.
54         * testsuite/Makefile.in: Regenerate from Makefile.am.
55         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
56         * testsuite/debug_msg.sh: Update line numbers and add
57         assertions.
58         * testsuite/odr_violation1.cc: Use OdrDerived, in a
59         non-optimized context.
60         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
61         isn't inlined, and use OdrDerived in an optimized context.
62         * testsuite/odr_header1.h: Defines OdrDerived, where
63         optimization will change the
64         first-instruction-in-the-destructor's file and line number.
65         * testsuite/odr_header2.h: Defines OdrBase.
67 2011-03-09  Ian Lance Taylor  <iant@google.com>
69         * fileread.cc (File_read::clear_views): Don't delete the whole
70         file view.
72 2011-03-08  Ian Lance Taylor  <iant@google.com>
74         PR gold/12525
75         * fileread.cc: #include <climits>.
76         (GOLD_IOV_MAX): Define.
77         (File_read::read_multiple): Limit number of entries by iov_max.
78         * fileread.h (class File_read): Always set max_readv_entries to
79         128.
81 2011-03-07  Ian Lance Taylor  <iant@google.com>
83         PR gold/12525
84         * options.h (class General_options): Add -dy and -dn.
86 2011-03-02  Cary Coutant  <ccoutant@google.com>
88         * testsuite/script_test_9.t: Add TLS segment.
90 2011-03-02  Simon Baldwin  <simonb@google.com>
92         * configure.ac: Add check for gnu_indirect_function support in
93         the toolchain building binutils.
94         * configure: Rebuild.
96 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
98         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
99         plugin only symbols.
100         (Symbol_table::sized_finalize_symbol) Mark symbol only present
101         in plugin files as not needed in the symbol table.
103 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
105         * output.cc (Output_section::add_input_section): Delay fill
106         generation for section ordering.
108 2011-02-09  Ian Lance Taylor  <iant@google.com>
110         PR gold/12316
111         * object.h (class Sized_relobj): Remove clear_local_symbols.
112         * reloc.cc (Sized_relobj::do_relocate): Don't call
113         clear_local_symbols.
115 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
117         * plugin.cc (is_visible_from_outside): Return true for symbols
118         in the -u option.
120 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
122         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
123         filename.
125 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
127         * icf.h (is_section_foldable_candidate): Change type of parameter
128         to std::string.
129         * icf.cc (Icf::find_identical_sections): Change type of local variable
130         section_name to be std::string.
131         (is_function_ctor_or_dtor): Change type of parameter to std::string.
133 2011-01-25  Ian Lance Taylor  <iant@google.com>
135         * script.cc (script_add_extern): Rewrite to use
136         add_symbol_reference.
138 2011-01-25  Doug Kwan  <dougkwan@google.com>
140         * icf.cc (get_section_contents): Always lock section's object.
142 2011-01-24  Ian Lance Taylor  <iant@google.com>
144         * options.h (class General_options): Accept
145         --no-detect-odr-violations.
147 2011-01-24  Ian Lance Taylor  <iant@google.com>
149         * version.cc (version_string): Bump to 1.11.
151 2011-01-24  Ian Lance Taylor  <iant@google.com>
153         * plugin.cc (class Plugin_rescan): Define new class.
154         (Plugin_manager::claim_file): Set any_claimed_.
155         (Plugin_manager::save_archive): New function.
156         (Plugin_manager::save_input_group): New function.
157         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
158         necessary.
159         (Plugin_manager::new_undefined_symbol): New function.
160         (Plugin_manager::rescan): New function.
161         (Plugin_manager::rescannable_defines): New function.
162         (Plugin_manager::add_input_file): Set any_added_.
163         * plugin.h (class Plugin_manager): define new fields rescannable_,
164         undefined_symbols_, any_claimed_, and any_added_.  Declare
165         Plugin_rescan as friend.  Declare new functions.
166         (Plugin_manager::Rescannable): Define type.
167         (Plugin_manager::Rescannable_list): Define type.
168         (Plugin_manager::Undefined_symbol_list): Define type.
169         (Plugin_manager::Plugin_manager): Initialize new fields.
170         * archive.cc (Archive::defines_symbol): New function.
171         (Add_archive_symbols::run): Pass archive to plugins if any.
172         * archive.h (class Archive): Declare defines_symbol.
173         * readsyms.cc (Input_group::~Input_group): New function.
174         (Finish_group::run): Pass input_group to plugins if any.
175         * readsyms.h (class Input_group): Declare destructor.
176         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
177         any.
179 2011-01-10  Ian Lance Taylor  <iant@google.com>
181         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
182         section as relro.
183         (Layout::set_segment_offsets): Reset increase_relro before calling
184         set_section_addresses a second time.
186 2011-01-04  Cary Coutant  <ccoutant@google.com>
188         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
189         sections before NOBITS sections.
191 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
193         * version.cc (print_version): Update copyright to 2011.
195 2010-12-23  Cary Coutant  <ccoutant@google.com>
197         * output.h (Output_data_reloc::add_output_section): Pass OD instead
198         of OS to this->add.  Add OD parameter to second form of the function.
200 2010-12-20  Ian Lance Taylor  <iant@google.com>
202         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
203         second of two consecutive entries with same offset.
205 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
207         * testsuite/Makefile.am (ifuncmain2static_LDADD)
208         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
209         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
210         to avoid unneeded links against $(LDADD).
211         * testsuite/Makefile.in: Regenerate.
213 2010-12-15  Ian Lance Taylor  <iant@google.com>
215         PR gold/12324
216         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
217         for R_X86_64_32 and R_X86_64_PC32.
218         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
219         ver_matching_def_pic.o.
220         (ver_matching_def_pic.o): New target.
222 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
224         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
225         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
226         Move definition before File_read::View member definitions.
227         (File_read::View::~View): Initialize and hold lock before
228         updating current_mapped_bytes.
230 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
232         * dwarf_reader.cc: Remove outdated comment.
233         * gold-threads.cc: Fix typo in error message.
234         * archive.cc: Fix typos in comments.
235         * archive.h: Likewise.
236         * arm-reloc-property.cc: Likewise.
237         * arm-reloc-property.h: Likewise.
238         * arm-reloc.def: Likewise.
239         * arm.cc: Likewise.
240         * attributes.h: Likewise.
241         * cref.cc: Likewise.
242         * ehframe.cc: Likewise.
243         * fileread.h: Likewise.
244         * gold.h: Likewise.
245         * i386.cc: Likewise.
246         * icf.cc: Likewise.
247         * incremental.h: Likewise.
248         * int_encoding.cc: Likewise.
249         * layout.h: Likewise.
250         * main.cc: Likewise.
251         * merge.h: Likewise.
252         * object.cc: Likewise.
253         * object.h: Likewise.
254         * options.cc: Likewise.
255         * readsyms.cc: Likewise.
256         * reduced_debug_output.cc: Likewise.
257         * reloc.cc: Likewise.
258         * script-sections.cc: Likewise.
259         * sparc.cc: Likewise.
260         * symtab.h: Likewise.
261         * target-reloc.h: Likewise.
262         * target.cc: Likewise.
263         * target.h: Likewise.
264         * timer.cc: Likewise.
265         * timer.h: Likewise.
266         * x86_64.cc: Likewise.
268 2010-12-09  Cary Coutant  <ccoutant@google.com>
270         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
271         stack.
272         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
273         parameter; change all callers.
274         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
275         * options.h (warn_execstack): New option.
277 2010-12-07  Doug Kwan  <dougkwan@google.com>
279         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
280         like function call relocations.
282 2010-12-07  Ian Lance Taylor  <iant@google.com>
284         * archive.cc (Archive::get_elf_object_for_member): Permit
285         punconfigured to be NULL.
286         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
287         (Archive::include_member): Pass NULL to get_elf_object_for_member
288         if we searched for the archive and this is the first included
289         object.
291 2010-12-01  Ian Lance Taylor  <iant@google.com>
293         * dwarf_reader.h (class Sized_dwarf_line_info): Add
294         track_relocs_type_ field.
295         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
296         Set track_relocs_type_.
297         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
298         contents when using RELA relocs.
299         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
300         reloc_map_.
301         * reloc.cc (Track_relocs::next_addend): New function.
302         * reloc.h (class Track_relocs): Declare next_addend.
304 2010-12-01  Ian Lance Taylor  <iant@google.com>
306         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
307         virtual destructor.
309 2010-12-01  Ian Lance Taylor  <iant@google.com>
311         * README: Update compilers known to work and fail.
313 2010-11-23  Matthias Klose  <doko@ubuntu.com>
315         * configure.in: For --enable-gold, handle value `default' instead of
316         `both*'.  Always install ld as ld.bfd, install as ld if gold is
317         not the default.
318         * configure: Regenerate.
320 2010-11-18  Doug Kwan  <dougkwan@google.com>
322         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
323         and right_alignment to be zero.  Store result alignment only if it is
324         greater than existing alignment.
326 2010-11-16  Cary Coutant  <ccoutant@google.com>
328         PR gold/12220
329         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
330         Check for ".zdebug_line".
332 2010-11-16  Doug Kwan  <dougkwan@google.com>
333             Cary Coutant  <ccoutant@google.com>
335         * output.h (Output_segment::set_section_addresses): Pass increase_relro
336         by reference; adjust all callers.
337         * output.cc (Output_segment::set_section_addresses): Adjust references
338         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
339         list is empty.
340         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
341         end at page boundary.
343 2010-11-16  Cary Coutant  <ccoutant@google.com>
345         PR gold/12220
346         * layout.cc (Layout::choose_output_section): Transform names of
347         compressed sections even when using a script with a SECTIONS clause.
348         (Layout::output_section_name): Remove code to transform
349         compressed debug section names.
350         * output.cc (Output_section::add_input_section): Use uncompressed
351         section size when tracking input sections.
353 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
355         * symtab.h (Symbol::NON_PIC_REF): Remove.
356         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
357         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
358         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
359         (Symbol::use_plt_offset): Take a flags argument and pass it
360         directly to needs_dynamic_reloc.  Restrict check for undefined
361         weak symbols to function calls.
362         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
363         (Target_arm::Scan::global): Use it.
364         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
365         (Target_arm::Relocate::relocate): Likewise.
366         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
367         parameter with an r_type parameter.  Use get_reference_flags
368         to get the flags.
369         (Target_arm::Relocate::relocate): Update accordingly.
370         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
371         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
372         (Target_i386::Scan::global): Likewise.
373         (Target_i386::Relocate::relocate): Likewise.
374         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
375         parameter with an r_type parameter.  Use get_reference_flags
376         to get the flags.
377         (Target_i386::Relocate::relocate): Update accordingly.
378         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
379         (Target_powerpc::Scan::global): Use it.
380         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
381         (Target_powerpc::Relocate::relocate): Likewise.
382         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
383         (Target_sparc::Scan::global): Use it.
384         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
385         (Target_sparc::Relocate::relocate): Likewise.
386         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
387         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
388         (Target_x86_64::Scan::global): Likewise.
389         (Target_x86_64::Relocate::relocate): Likewise.
391 2010-11-08  Doug Kwan  <dougkwan@google.com>
392             Cary Coutant  <ccoutant@google.com>
394         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
395         (Arm_exidx_merge_section::section_contents_): New data member.
396         (Arm_input_section::Arm_input_section): Initialize original_contents_.
397         (Arm_input_section::~Arm_input_section): De-allocate memory.
398         (Arm_input_section::original_contents_): New data member.       
399         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
400         in parameters instead of calling Object::section_contents without
401         locking.
402         (Arm_output_section::group_section): New parameter TASK.  Pass it
403         to callees that need locking objects.
404         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
405         to lock EXIDX input sections.  Fix a formatting issue.  Call
406         Arm_exidx_merged_section::build_contents to create merged section
407         contents.
408         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
409         to lock object of stub table owner.
410         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
411         TEXT_SIZE to initialize data member TEXT_SIZE_.
412         (Arm_exidx_input_section::addralign): Fix typo in comment.
413         (Arm_exidx_input_section::text_size): New method.
414         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
415         that require locking objects.  Lock objects before scanning for stubs
416         and updating local symbols.
417         (Arm_input_section<big_endian>::init): Copy contents of original
418         input section.
419         (Arm_input_section<big_endian>::do_write): Use saved contents of
420         original input section instead of calling Object::section_contents
421         without locking.
422         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
423         size without calling Object::section_size().
424         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
425         for size.  Allocate a buffer for merged EXIDX entries.
426         (Arm_exidx_merged_section::build_contents): New method.
427         (Arm_exidx_merged_section::do_write): Move merge section contents
428         building code to Arm_exidx_merged_section::build_contetns.  Write
429         out contetns in buffer instead of building it on the fly.
430         (Arm_relobj::make_exidx_input_section): Also pass text section size
431         to Arm_exidx_input_section constructor.
432         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
433         (Arm_dynobj::do_read_symbols): Fix memory leak.
434         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
435         * target.h: (class Task): Add forward declaration.
436         (Target::relax): Add new parameter TASK and pass it to
437         Target::do_relax().
438         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
440 2010-11-05  Cary Coutant  <ccoutant@google.com>
442         PR gold/10708
443         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
444         object when reading from the file.
445         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
446         second layout pass.
447         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
448         when reading section contents.
449         (get_section_contents): Likewise.
450         (icf::find_identical_sections): Likewise.
451         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
452         object when reading from the file.
453         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
454         the object when doing deferred section layout.
456 2010-11-03  Nick Clifton  <nickc@redhat.com>
458         PR gold/12001
459         * script.h (class Symbol_assignment: name): New member.  Returns
460         the name of the symbol.
461         * scrfipt.cc (Script_options::is_pending_assignment): New member.
462         Returns true if the given symbol name is on the list of
463         assignments wating to be processed.
464         * archive.cc (should_incldue_member): If the symbol is undefined,
465         check to see if it is on the list of symbols pending assignment.
467 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
469         * script-sections.cc (Script_sections::find_memory_region): Check
470         for a NULL output section pointer.
472 2010-10-29  Doug Kwan  <dougkwan@google.com>
474         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
475         Output_section::add_relaxed_input_section.
476         * output.cc (Output_section::add_relaxed_input_section): Add new
477         arguments LAYOUT and NAME.  Set section order index.
478         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
479         Copy section order index.
480         * output.h (Output_section::add_relaxed_input_section): Add new
481         arguments LAYOUT and NAME.
483 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
485         * testsuite/Makefile.am: Move gcctestdir/ld rule to
486         NATIVE_OR_CROSS_LINKER.
487         * testsuite/Makefile.in: Regenerate.
489 2010-10-20  Doug Kwan  <dougkwan@google.com>
491         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
492         without SHF_LINK_ORDER flags.
493         * layout.cc (Layout::choose_output_section): Do not filter
494         SHF_LINK_ORDER flag in a relocatable link.
496 2010-10-17  Cary Coutant  <ccoutant@google.com>
498         * output.h (Output_segment::set_section_addresses): Change function
499         signature.  Update all callers.
500         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
501         sections.
502         (Output_segment::set_section_addresses): Align after last TLS
503         section.  Add padding before last relro section instead of after.
505 2010-10-17  Doug Kwan  <dougkwan@google.com>
507         * gold/arm.cc (Target_arm::got_section): Use correct order and set
508         GOT output section to be writable.
510 2010-10-14  Cary Coutant  <ccoutant@google.com>
512         * debug.h (DEBUG_INCREMENTAL): New flag.
513         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
514         * gold.cc (queue_initial_tasks): Check parameters for incremental link
515         mode.
516         * incremental.cc (report_command_line): Ignore all forms of
517         --incremental.
518         * layout.cc (Layout::Layout): Check parameters for incremental link
519         mode.
520         * options.cc (General_options::parse_incremental): New function.
521         (General_options::parse_no_incremental): New function.
522         (General_options::parse_incremental_full): New function.
523         (General_options::parse_incremental_update): New function.
524         (General_options::incremental_mode_): New data member.
525         (General_options::finalize): Check incremental_mode_.
526         * options.h (General_options): Update help text for --incremental.
527         Add --no-incremental, --incremental-full, --incremental-update.
528         (General_options::Incremental_mode): New enum type.
529         (General_options::incremental_mode): New function.
530         (General_options::incremental_mode_): New data member.
531         * parameters.cc (Parameters::incremental_mode_): New data member.
532         (Parameters::set_options): Set incremental_mode_.
533         (Parameters::set_incremental_full): New function.
534         (Parameters::incremental): New function.
535         (Parameters::incremental_update): New function.
536         (set_parameters_incremental_full): New function.
537         * parameters.h (Parameters::set_incremental_full): New function.
538         (Parameters::incremental): New function.
539         (Parameters::incremental_update): New function.
540         (Parameters::incremental_mode_): New data member.
541         (set_parameters_incremental_full): New function.
542         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
543         incremental link mode.
544         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
545         (Sized_relobj::do_relocate_sections): Likewise.
546         * testsuite/Makefile.am (incremental_test): Use --incremental-full
547         option.
548         * testsuite/Makefile.in: Regenerate.
549         * testsuite/incremental_test.sh: Filter all forms of --incremental.
551 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
553         * script-sections.h (class Script_sections): Make
554         Sections_elements typedef public.
555         * script-sections.cc (class Sort_output_sections): Add elements_
556         field.  Add constructor which sets it; change all callers.
557         (Sort_output_sections::is_before): New function.
558         (Sort_output_sections::operator()): Call is_before.
559         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
560         conditional.
561         * testsuite/script_test_10.sh: New test. Test script section
562         order.
563         * testsuite/script_test_10.t: Likewise.
564         * testsuite/script_test_10.s: Likewise.
565         * testsuite/Makefile.am: Wrap the cross linker tests and the
566         common tests into NATIVE_OR_CROSS_LINKER.
567         (check_SCRIPTS): Add script_test_10.sh.
568         (check_DATA): Add script_test_10.stdout.
569         (script_test_10.o, script_test_10): New targets.
570         (script_test_10.stdout): New target.
571         * configure, testsuite/Makefile.in: Regenerate.
573 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
575         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
576         error for the deprecated relocations.
577         (Target_arm::Scan::global): Likewise.
578         (Target_arm::Relocate::relocate): Likewise.
580 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
582         * fileread.cc (Input_file::find_file): Initialize *found_name
583         and *namep when using the fallback search for case 4.
585 2010-10-11  Cary Coutant  <ccoutant@google.com>
587         * options.h (class General_options): Redefine -z lazy as an alias for
588         the negation of -z now.
590 2010-10-11  Ian Lance Taylor  <iant@google.com>
592         * resolve.cc (symbol_to_bits): Report the value of the unsupported
593         binding.
595 2010-10-06  Nick Clifton  <nickc@redhat.com>
597         * script-sections.cc(class Memory_region): Remove
598         current_lma_offset_ field.  Rename current_vma_offset_ to
599         current_offset_.  Add last_section_ field.
600         (Memory_region::get_current_vma_address): Rename to
601         get_current_address.
602         (Memory_region::get_current_lma_address): Delete.
603         (Memory_region::increment_vma_offset): Rename to
604         increment_offset.
605         (Memory_region::increment_lma_offset): Delete.
606         (Memory_region::attributes_compatible): New method.  Returns
607         true if the provided section is compatible with the region.
608         (Memory_region::get_last_section): New method.  Returns the last
609         section to use the region.
610         (Memory_region::set_last_section): New method.  Stores the last
611         section to use the region.
612         (Script_sections::block_in_region): New method.  Returns true if
613         a block of memory is contained within a region.
614         (Script_sections::find_memory_region): New method.  Locates a
615         memory region to be used to set a VMA or LMA address.
616         (Output_section_definition::set_section_addresses): Add code to
617         check for addresses set by memory regions.
618         (Output_segment::set_section_addresses): Remove memory region
619         walking code.
620         (Script_sections::create_segment): Add a warning if a header
621         segment is created outside of any region.
622         * script-sections.h (class Script_sections): Add prototypes for
623         find_memory_region and block_in_region methods.
624         * testsuite/memory_test.s: Use .long instead of .word.
625         * testsuite/memory_test.t: Add some more output sections.
626         * testsuite/memory_test.sh: Update expected output.
628 2010-10-02  Doug Kwan  <dougkwan@google.com>
630         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
631         defintion to symtab.h
632         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
633         declaration to defintion.
635 2010-10-01  Nick Clifton  <nickc@redhat.com>
637         * expression.cc (eval): Replace dummy argument with NULL.
638         (eval_maybe_dot): Check for a NULL result section pointer.
639         (Symbol_expression::value): Likewise.
640         (Dot_expression::value): Likewise.
641         (BINARY_EXPRESSION): Likewise.
642         (Max_expression::value): Likewise.
643         (Min_expression::value): Likewise.
644         (Absolute_expression::value): Likewise.
645         (Addr_expression::value_from_output_section): Likewise.
646         (Loaddddr_expression::value_from_output_section): Likewise.
647         (Segment_start_expression::value): Likewise.
648         * script-sections.cc
649         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
650         argument with NULL.
651         (Sections_elememt_dot_assignment::set_section_addresses):
652         Likewise.
653         (Output_data_expression::do_write_to_buffer): Likewise.
654         (Output_section_definition::finalize_symbols): Likewise.
655         (Output_section_definition::set_section_addresses): Likewise.
657 2010-09-30  Doug Kwan  <dougkwan@google.com>
659         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
661 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
663         * target.h (Target::can_icf_inline_merge_sections): New virtual
664         function.
665         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
666         virtual function.
667         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
668         virtual function.
669         * icf.cc (get_section_contents): Inline merge sections only when
670         target allows it.
672 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
674         * configure: Regenerate.
676 2010-09-17  Ian Lance Taylor  <iant@google.com>
678         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
679         * testsuite/Makefile.am (memory_test.o): New target.
680         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
681         memory_test.t.
682         * testsuite/Makefile.in: Rebuild.
684 2010-09-17  Doug Kwan  <dougkwan@google.com>
686         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
687         defintion if relocation uses GOT entries of the symbol.
688         * testsuite/icf_safe_test.sh: Fix test.
689         * testsuite/icf_safe_so_test.sh: Fix test.
691 2010-09-16  Cary Coutant  <ccoutant@google.com>
693         * script_sections.cc (class Memory_region): Remove "NULL" from
694         vector initializations.
696 2010-09-15  Cary Coutant  <ccoutant@google.com>
698         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
699         Resolve forwarding symbols.
701 2010-09-15  Doug Kwan  <dougkwan@google.com>
703         * gold/testsuite/script_test_3.t: Add ARM special sections.
704         * gold/testsuite/script_test_4.t: Same.
705         * gold/testsuite/script_test_5.t: Same.
706         * gold/testsuite/script_test_6.t: Same.
707         * gold/testsuite/script_test_7.t: Same.
708         * gold/testsuite/script_test_7.t: Same.
709         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
711 2010-09-14  Cary Coutant  <ccoutant@google.com>
713         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
714         (Target_x86_64::Relocate::relocate_tls): Replace check for
715         saw_tls_block_reloc_ with test for executable section.
717 2010-09-12  Cary Coutant  <ccoutant@google.com>
719         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
720         position-independent executables to shared libraries need dynamic
721         relocations.
722         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
723         position-independent executables.
724         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
725         * testsuite/Makefile.in: Regenerate.
727 2010-09-10  Nick Clifton  <nickc@redhat.com>
729         PR gold/11997
730         * testsuite/memory_test.t: Discard any sections that are not
731         needed.
733 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
735         PR gold/11996
736         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
737         "This::" to work around a bug in gcc 4.2.
739         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
741 2010-09-09  Rafael Espindola  <espindola@google.com>
743         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
744         sections with different PF_X flags in the same segment.
745         (Layout::find_first_load_seg): Search all segments to find the first
746         one.
747         * options.h (rosegment): New.
749 2010-09-08  Rafael Espindola  <espindola@google.com>
751         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
753 2010-09-08  Doug Kwan  <dougkwan@google.com>
755         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
756         (Arm_relobj::do_relocate_sections): Add new parameter for output
757         file to match the parent.
758         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
759         of local symbols instead of input values.  Update code to track
760         changes in gold::relocate_section.
761         * object.cc (Sized_relobj::compute_final_local_value): New methods.
762         (Sized_relobj::compute_final_local_value_internal): New methods.
763         (Sized_relobj::do_finalize_local_symbols): Move code from loop
764         body into private version of Sized_relobj::compute_final_local_value.
765         Call the inline method.
766         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
767         merged symbol value if there is one.
768         (Symbol_value::has_output_value): New method defintiion.
769         (Sized_relobj::Compute_final_local_value_status): New enum type.
770         (Sized_relobj::compute_final_local_value): New methods.
771         (Sized_relobj::compute_final_local_value_internal): New methods.
772         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
773         and arm_cortex_a8.sh.
774         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
775         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
776         New tests.
777         * Makefile.in: Regenerate.
778         * testsuite/arm_bl_out_of_range.s: Update test.
779         * testsuite/thumb_bl_out_of_range.s: Ditto.
780         * testsuite/thumb_blx_out_of_range.s: Ditto.
781         * testsuite/arm_branch_out_of_range.sh: New file.
782         * testsuite/arm_cortex_a8.sh: Ditto.
783         * testsuite/arm_cortex_a8_b.s: Ditto.
784         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
785         * testsuite/arm_cortex_a8_b_local.s: Ditto.
786         * testsuite/arm_cortex_a8_bl.s: Ditto.
787         * testsuite/arm_cortex_a8_blx.s: Ditto.
788         * testsuite/arm_cortex_a8_local.s: Ditto.
789         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
790         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
792 2010-09-08  Rafael Espindola  <espindola@google.com>
794         * Makefile.am (memory_test.stdout): Run readelf with -W.
795         * Makefile.in: Regenerate.
796         * testsuite/memory_test.sh: Make the regexps accept both 32 and
797         64 bit output.
799 2010-09-08  Rafael Espindola  <espindola@google.com>
801         * script-sections.cc (Script_sections::add_memory_region): Convert
802         field precision to int.
803         * script.cc (script_set_section_region, script_set_section_region):
804         Convert field precision to int.
806 2010-09-08  Rafael Espindola  <espindola@google.com>
808         * arm.cc (do_finalize_sections): Create the __exidx_start and
809         __exdix_end symbols even when the section is missing.
811 2010-09-08  Nick Clifton  <nickc@redhat.com>
813         * README: Remove claim that MEMORY is not supported.
814         * expression.cc (script_exp_function_origin)
815         (script_exp_function_length): Move from here to ...
816         * script.cc: ... here.
817         (script_set_section_region, script_add_memory)
818         (script_parse_memory_attr, script_include_directive): New
819         functions.
820         * script-sections.cc
821         (class Memory_region): New class.
822         (class Output_section_definition): Add set_memory_region,
823         set_section_vma, set_section_lma and get_section_name methods.
824         (class Script_Sections): Add add_memory_region,
825         find_memory_region, find_memory_region_origin,
826         find_memory_region_length and set_memory_region methods.
827         Have set_section_addresses method walk the list of set memory
828         regions.
829         Extend the print methos to display memory regions.
830         * script-sections.h: Add prototypes for new methods.
831         Add enum for MEMORY region attributes.
832         * yyscript.y: Add support for parsing MEMORY regions.
833         * script-c.h: Add prototypes for new functions.
834         * testsuite/Makefile.am: Add test of MEMORY region functionality.
835         * testsuite/Makefile.in: Regenerate.
836         * testsuite/memory_test.sh: New script.
837         * testsuite/memory_test.s: New assembler source file.
838         * testsuite/memory_test.t: New linker script.
840 2010-08-27  Doug Kwan  <dougkwan@google.com>
842         * gold/resolve.cc (Symbol_table::should_override): Let a weak
843         reference override an existing dynamic weak reference.
844         * testsuite/Makefile.am: Add new test dyn_weak_ref.
845         * testsuite/Makefile.in: Regenerate.
846         * testsuite/dyn_weak_ref.sh: New file.
847         * testsuite/dyn_weak_ref_1.c: Ditto.
848         * testsuite/dyn_weak_ref_2.c: Ditto.
850 2010-08-27  Ian Lance Taylor  <iant@google.com>
852         * incremental.h (class Incremental_input_entry): Add virtual
853         destructor.
855 2010-08-27  Ian Lance Taylor  <iant@google.com>
857         * testsuite/start_lib_test_3.c: Mark t3 as used.
859 2010-08-27  Nick Clifton  <nickc@redhat.com>
861         * options.cc (version_script): Fix small typo in previous
862         whitespace tidyup.
864 2010-08-25  Nick Clifton  <nickc@redhat.com>
866         * archive.cc: Formatting fixes: Remove whitespace between
867         typename and following asterisk.  Remove whitespace between
868         function name and opening parenthesis.
869         * archive.h: Likewise.
870         * arm.cc: Likewise.
871         * attributes.cc: Likewise.
872         * attributes.h: Likewise.
873         * common.cc: Likewise.
874         * copy-relocs.cc: Likewise.
875         * dirsearch.h: Likewise.
876         * dynobj.cc: Likewise.
877         * ehframe.cc: Likewise.
878         * ehframe.h: Likewise.
879         * expression.cc: Likewise.
880         * fileread.cc: Likewise.
881         * fileread.h: Likewise.
882         * gc.h: Likewise.
883         * gold-threads.cc: Likewise.
884         * gold.cc: Likewise.
885         * i386.cc: Likewise.
886         * icf.h: Likewise.
887         * incremental-dump.cc: Likewise.
888         * incremental.cc: Likewise.
889         * layout.cc: Likewise.
890         * layout.h: Likewise.
891         * main.cc: Likewise.
892         * merge.cc: Likewise.
893         * merge.h: Likewise.
894         * object.cc: Likewise.
895         * object.h: Likewise.
896         * options.cc: Likewise.
897         * options.h: Likewise.
898         * output.cc: Likewise.
899         * output.h: Likewise.
900         * plugin.cc: Likewise.
901         * plugin.h: Likewise.
902         * powerpc.cc: Likewise.
903         * reloc.cc: Likewise.
904         * script-c.h: Likewise.
905         * script-sections.cc: Likewise.
906         * script.cc: Likewise.
907         * stringpool.cc: Likewise.
908         * symtab.cc: Likewise.
909         * symtab.h: Likewise.
910         * target.cc: Likewise.
911         * timer.cc: Likewise.
912         * timer.h: Likewise.
913         * version.cc: Likewise.
914         * x86_64.cc: Likewise.
916 2010-08-24  Nick Clifton  <nickc@redhat.com>
918         PR 11899
919         * layout.cc (segment_precedes): Sort segments by their physical
920         addresses, if they have been set.
922 2010-08-23  Cary Coutant  <ccoutant@google.com>
924         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
925         symbols data.
926         (Lib_group::include_member): Unlock object after deleting its
927         symbols data.
928         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
929         the bug fixed here.
931 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
932             Cary Coutant  <ccoutant@google.com>
934         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
935         constructor, and set_blocker.
936         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
937         readsyms_blocker_.
938         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
939         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
940         * testsuite/Makefile.am (start_lib_test): New test case.
941         * testsuite/Makefile.in: Regenerate.
942         * testsuite/start_lib_test_main.c: New file.
943         * testsuite/start_lib_test_1.c: New file.
944         * testsuite/start_lib_test_2.c: New file.
945         * testsuite/start_lib_test_3.c: New file.
947 2010-08-19  Ian Lance Taylor  <iant@google.com>
949         * Makefile.in: Rebuild with automake 1.11.1.
950         * aclocal.m4: Likewise.
951         * testsuite/Makefile.in: Likewise.
953 2010-08-19  Ian Lance Taylor  <iant@google.com>
955         PR 10893
956         * i386.cc (class Output_data_plt_i386): Update declarations.
957         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
958         local_ifuncs_ fields.
959         (Target_i386::do_plt_section_for_global): New function.
960         (Target_i386::do_plt_section_for_local): New function.
961         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
962         parameter; change all callers.  Initialize global_ifuncs_ and
963         local_ifuncs_.  If doing a static link define __rel_iplt_start and
964         __rel_iplt_end.
965         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
966         (Output_data_plt_i386::add_local_ifunc_entry): New function.
967         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
968         symbols.
969         (Target_i386::make_plt_section): New function, broken out of
970         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
971         (Target_i386::make_plt_entry): Call make_plt_section.
972         (Target_i386::make_local_ifunc_plt_entry): New function.
973         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
974         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
975         R_386_IRELATIVE to switch.
976         (Target_i386::Scan::global): Likewise.
977         (Target_i386::Relocate::relocate): Likewise.
978         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
979         switch.
980         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
981         (Target_x86_64::do_plt_section_for_global): New function.
982         (Target_x86_64::do_plt_section_for_local): New function.
983         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
984         parameter; change all callers.  If doing a static link define
985         __rela_iplt_start and __rela_iplt_end.
986         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
987         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
988         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
989         to point to .plt.
990         (Target_x86_64::make_local_ifunc_plt_entry): New function.
991         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
992         switch.
993         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
994         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
995         R_X86_64_IRELATIVE to switch.
996         (Target_x86_64::Scan::global): Likewise.
997         (Target_x86_64::Relocate::relocate): Likewise.
998         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
999         switch.
1000         * target.h (class Target): Add plt_section_for_global and
1001         plt_section_for_local functions.  Add do_plt_section_for_global
1002         and do_plt_section_for_local virtual functions.
1003         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
1004         clarifying comments.
1005         (Symbol::use_plt_offset): Handle IFUNC symbol.
1006         * object.cc (Sized_relobj::Sized_relobj): Initialize
1007         local_plt_offsets_.
1008         (Sized_relobj::local_has_plt_offset): New function.
1009         (Sized_relobj::local_plt_offset): New function.
1010         (Sized_relobj::set_local_plt_offset): New function.
1011         (Sized_relobj::do_count): Handle IFUNC symbol.
1012         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
1013         a bit away from input_shndx_ field.  Add set_is_func_symbol and
1014         is_ifunc_symbol functions.
1015         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
1016         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
1017         local_plt_offsets_ field.
1018         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
1019         * output.h (class Output_section_data): Add non-const
1020         output_section function.
1021         (class Output_data_got): Update declarations.
1022         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
1023         Add use_plt_offset parameter to global and local constructors.
1024         Change all callers.  Change local_sym_index_ field to 31 bits.
1025         Change GSYM_CODE and CONSTANT_CODE accordingly.
1026         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
1027         doing a static link don't set sh_link field.
1028         (Output_data_got::Got_entry::write): Use PLT offset if
1029         appropriate.
1030         (Output_data_got::add_global_plt): New function.
1031         (Output_data_got::add_local_plt): New function.
1032         * target-reloc.h (relocate_section): Handle IFUNC symbol.
1033         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
1034         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
1035         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
1036         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
1037         IFUNC conditional.
1038         * testsuite/ifunc-sel.h: New file.
1039         * testsuite/ifuncmain1.c: New file.
1040         * testsuite/ifuncmain1vis.c: New file.
1041         * testsuite/ifuncmod1.c: New file.
1042         * testsuite/ifuncdep2.c: New file.
1043         * testsuite/ifuncmain2.c: New file.
1044         * testsuite/ifuncmain3.c: New file.
1045         * testsuite/ifuncmod3.c: New file.
1046         * testsuite/ifuncmain4.c: New file.
1047         * testsuite/ifuncmain5.c: New file.
1048         * testsuite/ifuncmod5.c: New file.
1049         * testsuite/ifuncmain6pie.c: New file.
1050         * testsuite/ifuncmod6.c: New file.
1051         * testsuite/ifuncmain7.c: New file.
1052         * configure, testsuite/Makefile.in: Rebuild.
1054 2010-08-18  Ian Lance Taylor  <iant@google.com>
1056         * incremental.cc
1057         (Output_section_incremental_inputs::write_input_files): Add cast
1058         to avoid signed/unsigned comparison warning.
1059         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1061 2010-08-12  Cary Coutant  <ccoutant@google.com>
1063         * common.cc (Sort_commons::operator()): Remove unnecessary code.
1065 2010-08-13  Ian Lance Taylor  <iant@google.com>
1067         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
1069 2010-08-12  Cary Coutant  <ccoutant@google.com>
1070             Doug Kwan  <dougkwan@google.com>
1072         * resolve.cc (Symbol_table::should_override): When a weak dynamic
1073         defintion overrides non-weak undef, remember that the original undef
1074         is not weak.
1075         * symtab.cc (Symbol_table::sized_write_global): For undef without
1076         an original weak binding, set binding to global in output.
1077         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
1078         * testsuite/Makefile.in: Regenerate.
1079         * testsuite/strong_ref_weak_def.sh: New file.
1080         * testsuite/strong_ref_weak_def_1.c: Ditto.
1081         * testsuite/strong_ref_weak_def_2.c: Ditto.
1083 2010-08-12  Cary Coutant  <ccoutant@google.com>
1085         * testsuite/incremental_test.sh: Rewrite.
1086         * testsuite/incremental_test_1.c: Rewrite.
1087         * testsuite/incremental_test_2.c: Rewrite.
1089 2010-08-12  Cary Coutant  <ccoutant@google.com>
1091         * arm.cc (Target_arm::got_size): Add const.
1092         (Target_arm::got_entry_count): New function.
1093         (Target_arm::plt_entry_count): New function.
1094         (Target_arm::first_plt_entry_offset): New function.
1095         (Target_arm::plt_entry_size): New function.
1096         (Output_data_plt_arm::entry_count): New function.
1097         (Output_data_plt_arm::first_plt_entry_offset): New function.
1098         (Output_data_plt_arm::get_plt_entry_size): New function.
1099         * i386.cc (Target_i386::got_size): Add const.
1100         (Target_i386::got_entry_count): New function.
1101         (Target_i386::plt_entry_count): New function.
1102         (Target_i386::first_plt_entry_offset): New function.
1103         (Target_i386::plt_entry_size): New function.
1104         (Output_data_plt_i386::entry_count): New function.
1105         (Output_data_plt_i386::first_plt_entry_offset): New function.
1106         (Output_data_plt_i386::get_plt_entry_size): New function.
1107         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
1108         find_incremental_inputs_sections.  Dump incremental_got_plt section.
1109         * incremental.cc: Include target.h.
1110         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
1111         parameter.  Adjust all callers.  Find incremental_got_plt section.
1112         (Incremental_inputs::create_data_sections): Create incremental_got_plt
1113         section.
1114         (Output_section_incremental_inputs::set_final_data_size): Calculate
1115         size of incremental_got_plt section.
1116         (Output_section_incremental_inputs::do_write): Write the
1117         incremental_got_plt section.
1118         (Got_plt_view_info): New struct.
1119         (Local_got_offset_visitor): New class.
1120         (Global_got_offset_visitor): New class.
1121         (Global_symbol_visitor_got_plt): New class.
1122         (Output_section_incremental_inputs::write_got_plt): New function.
1123         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
1124         Add parameter.  Adjust all callers.
1125         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1126         (Incremental_inputs::got_plt_section): New function.
1127         (Incremental_inputs::got_plt_section_): New data member.
1128         (Incremental_got_plt_reader): New class.
1129         * layout.cc (Layout::create_incremental_info_sections): Add the
1130         incremental_got_plt section.
1131         * object.h (Got_offset_list::get_list): New function.
1132         (Got offset_list::for_all_got_offsets): New function.
1133         (Sized_relobj::local_got_offset_list): New function.
1134         * powerpc.cc (Target_powerpc::got_size): Add const.
1135         (Target_powerpc::got_entry_count): New function.
1136         (Target_powerpc::plt_entry_count): New function.
1137         (Target_powerpc::first_plt_entry_offset): New function.
1138         (Target_powerpc::plt_entry_size): New function.
1139         (Output_data_plt_powerpc::entry_count): New function.
1140         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
1141         (Output_data_plt_powerpc::get_plt_entry_size): New function.
1142         * sparc.cc (Target_sparc::got_size): Add const.
1143         (Target_sparc::got_entry_count): New function.
1144         (Target_sparc::plt_entry_count): New function.
1145         (Target_sparc::first_plt_entry_offset): New function.
1146         (Target_sparc::plt_entry_size): New function.
1147         (Output_data_plt_sparc::entry_count): New function.
1148         (Output_data_plt_sparc::first_plt_entry_offset): New function.
1149         (Output_data_plt_sparc::get_plt_entry_size): New function.
1150         * symtab.h (Symbol::got_offset_list): New function.
1151         (Symbol_table::for_all_symbols): New function.
1152         * target.h (Sized_target::got_entry_count): New function.
1153         (Sized_target::plt_entry_count): New function.
1154         (Sized_target::plt_entry_size): New function.
1155         * x86_64.cc (Target_x86_64::got_size): Add const.
1156         (Target_x86_64::got_entry_count): New function.
1157         (Target_x86_64::plt_entry_count): New function.
1158         (Target_x86_64::first_plt_entry_offset): New function.
1159         (Target_x86_64::plt_entry_size): New function.
1160         (Output_data_plt_x86_64::entry_count): New function.
1161         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
1162         (Output_data_plt_x86_64::get_plt_entry_size): New function.
1164 2010-08-12  Cary Coutant  <ccoutant@google.com>
1166         * archive.cc: Include incremental.h.
1167         (Archive::Archive): Initialize incremental_info_.
1168         (Archive::include_member): Record archive members in incremental info.
1169         (Add_archive_symbols::run): Record begin and end of an archive in
1170         incremental info.
1171         (Lib_group::include_member): Record objects in incremental info.
1172         * archive.h (Incremental_archive_entry): Forward declaration.
1173         (Archive::set_incremental_info): New member function.
1174         (Archive::incremental_info): New member function.
1175         (Archive::Unused_symbol_iterator): New class.
1176         (Archive::unused_symbols_begin): New member function.
1177         (Archive::unused_symbols_end): New member function.
1178         (Archive::incremental_info_): New data member.
1179         * incremental-dump.cc (find_input_containing_global): New function.
1180         (dump_incremental_inputs): Dump new incremental info sections.
1181         * incremental.cc: Include symtab.h.
1182         (Output_section_incremental_inputs): New class.
1183         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
1184         new incremental info sections.
1185         (Sized_incremental_binary::do_check_inputs): Likewise.
1186         (Incremental_inputs::report_archive): Remove.
1187         (Incremental_inputs::report_archive_begin): New function.
1188         (Incremental_inputs::report_archive_end): New function.
1189         (Incremental_inputs::report_object): New function.
1190         (Incremental_inputs::finalize_inputs): Remove.
1191         (Incremental_inputs::report_input_section): New function.
1192         (Incremental_inputs::report_script): Rewrite.
1193         (Incremental_inputs::finalize): Do nothing but finalize string table.
1194         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1195         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1196         (Incremental_inputs::create_data_sections): New function.
1197         (Incremental_inputs::relocs_entsize): New function.
1198         (Output_section_incremental_inputs::set_final_data_size): New function.
1199         (Output_section_incremental_inputs::do_write): New function.
1200         (Output_section_incremental_inputs::write_header): New function.
1201         (Output_section_incremental_inputs::write_input_files): New function.
1202         (Output_section_incremental_inputs::write_info_blocks): New function.
1203         (Output_section_incremental_inputs::write_symtab): New function.
1204         * incremental.h (Incremental_script_entry): Forward declaration.
1205         (Incremental_object_entry): Forward declaration.
1206         (Incremental_archive_entry): Forward declaration.
1207         (Incremental_inputs): Forward declaration.
1208         (Incremental_inputs_header_data): Remove.
1209         (Incremental_inputs_header): Remove.
1210         (Incremental_inputs_header_write): Remove.
1211         (Incremental_inputs_entry_data): Remove.
1212         (Incremental_inputs_entry): Remove.
1213         (Incremental_inputs_entry_write): Remove.
1214         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
1215         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
1216         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1217         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
1218         Likewise.
1219         (Incremental_input_entry): New class.
1220         (Incremental_script_entry): New class.
1221         (Incremental_object_entry): New class.
1222         (Incremental_archive_entry): New class.
1223         (Incremental_inputs::Incremental_inputs): Initialize new data members.
1224         (Incremental_inputs::report_inputs): Remove.
1225         (Incremental_inputs::report_archive): Remove.
1226         (Incremental_inputs::report_archive_begin): New function.
1227         (Incremental_inputs::report_archive_end): New function.
1228         (Incremental_inputs::report_object): Change prototype.
1229         (Incremental_inputs::report_input_section): New function.
1230         (Incremental_inputs::report_script): Change prototype.
1231         (Incremental_inputs::get_reloc_count): New function.
1232         (Incremental_inputs::set_reloc_count): New function.
1233         (Incremental_inputs::create_data_sections): New function.
1234         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1235         (Incremental_inputs::inputs_section): New function.
1236         (Incremental_inputs::symtab_section): New function.
1237         (Incremental_inputs::relocs_section): New function.
1238         (Incremental_inputs::get_stringpool): Add const.
1239         (Incremental_inputs::command_line): Add const.
1240         (Incremental_inputs::inputs): Remove.
1241         (Incremental_inputs::command_line_key): New function.
1242         (Incremental_inputs::input_file_count): New function.
1243         (Incremental_inputs::input_files): New function.
1244         (Incremental_inputs::relocs_entsize): New function.
1245         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1246         (Incremental_inputs::finalize_inputs): Remove.
1247         (Incremental_inputs::Input_info): Remove.
1248         (Incremental_inputs::lock_): Remove.
1249         (Incremental_inputs::inputs_): Change type.
1250         (Incremental_inputs::inputs_map_): Remove.
1251         (Incremental_inputs::current_object_entry_): New data member.
1252         (Incremental_inputs::inputs_section_): New data member.
1253         (Incremental_inputs::symtab_section_): New data member.
1254         (Incremental_inputs::relocs_section_): New data member.
1255         (Incremental_inputs::reloc_count_): New data member.
1256         (Incremental_inputs_reader): New class.
1257         (Incremental_symtab_reader): New class.
1258         (Incremental_relocs_reader): New class.
1259         * layout.cc (Layout::finalize): Move finalization of incremental info
1260         and creation of incremental info sections to follow finalization of
1261         symbol table.  Set offsets for postprocessing sections.
1262         (Layout::create_incremental_info_sections): Call
1263         Incremental_inputs::create_data_sections.  Add incremental symtab
1264         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
1265         sections to layout after input sections.
1266         * layout.h (struct Timespec): Forward declaration.
1267         (Layout::incremental_inputs): Add const.
1268         (Layout::create_incremental_info_sections): Add parameter.
1269         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
1270         * object.cc: Include incremental.h.
1271         (Relobj::finalize_incremental_relocs): New function.
1272         (Sized_relobj::do_layout): Record input sections in incremental info.
1273         * object.h (Object::output_section): New function.
1274         (Object::output_section_offset): Moved from Relobj.
1275         (Object::get_incremental_reloc_base): New function.
1276         (Object::get_incremental_reloc_count): New function.
1277         (Object::do_output_section): New function.
1278         (Object::do_output_section_offset): Moved from Relobj.
1279         (Object::do_get_incremental_reloc_base): New function.
1280         (Object::do_get_incremental_reloc_count): New function.
1281         (Object::Object): Initialize new data members.
1282         (Relobj::output_section): Renamed do_output_section and moved to
1283         protected.
1284         (Relobj::output_section_offset): Moved to Object.
1285         (Relobj::do_get_incremental_reloc_base): New function.
1286         (Relobj::do_get_incremental_reloc_count): New function.
1287         (Relobj::allocate_incremental_reloc_counts): New function.
1288         (Relobj::count_incremental_reloc): New function.
1289         (Relobj::finalize_incremental_relocs): New function.
1290         (Relobj::next_incremental_reloc_index): New function.
1291         (Relobj::reloc_counts_): New data member.
1292         (Relobj::reloc_bases_): New data member.
1293         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1294         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1295         (Sized_relobj::incremental_relocs_scan): New function.
1296         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1297         (Sized_relobj::incremental_relocs_write): New function.
1298         (Sized_relobj::incremental_relocs_write_reltype): New function.
1299         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1300         incremental link.
1301         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1302         archives and object files elsewhere.
1303         (Add_symbols::run): Report object files here.
1304         (Finish_group::run): Report end of archive at end of group.
1305         * reloc.cc: Include layout.h, incremental.h.
1306         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1307         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1308         (Sized_relobj::incremental_relocs_scan): New function.
1309         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1310         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1311         (Sized_relobj::incremental_relocs_write): New function.
1312         (Sized_relobj::incremental_relocs_write_reltype): New function.
1313         * script.cc (read_input_script): Rewrite test for incremental link.
1314         Change call to Incremental_inputs::report_script.
1315         * symtab.h (Symbol_table::first_global_index): New function.
1316         (Symbol_table::output_count): New function.
1318 2010-08-12  Doug Kwan  <dougkwan@google.com>
1320         * arm.cc (Target_arm::merge_object_attributes): Check command line
1321         options --no-wchar-size-warning and --no-enum-size-warning.
1322         * options.h (General_options): Add ld-compatible options
1323         --no-enum-size-warning and --no-wchar-size-warning.
1325 2010-08-04  Ian Lance Taylor  <iant@google.com>
1327         * x86_64.cc (Target_x86_64::Scan::local): Use
1328         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1329         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1330         (Target_x86_64::Scan::global): Likewise.
1331         (Target_x86_64::Relocate::relocate): Likewise.
1332         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1333         Likewise.
1335 2010-08-03  Cary Coutant  <ccoutant@google.com>
1337         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1338         to reserve space in merged_strings vector. Keep total input size
1339         for stats.
1340         (Output_merge_string::do_print_merge_stats): Print total input size.
1341         * merge.h (Output_merge_string): Add input_size_ field.
1342         * stringpool.cc (Stringpool_template::string_length): Move
1343         implementations out of Stringpool_template class and place in
1344         stringpool.h.
1345         * stringpool.h (string_length): Move out of Stringpool_template.
1347 2010-08-03  Ian Lance Taylor  <iant@google.com>
1349         PR 11712
1350         * layout.cc (relaxation_loop_body): If address of load segment is
1351         set, adjust address to include headers if possible.
1353 2010-08-03  Ian Lance Taylor  <iant@google.com>
1355         * version.cc (version_string): Bump to 1.10.
1357 2010-08-03  Ian Lance Taylor  <iant@google.com>
1359         PR 11805
1360         * layout.h (enum Output_section_order): Define.
1361         (class Layout): Update declarations.
1362         * layout.cc (Layout::get_output_section): Add order parameter.
1363         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1364         is_first_non_relro parameters.  Change all callers.
1365         (Layout::choose_output_section): Likewise.
1366         (Layout::add_output_section_data): Likewise.
1367         (Layout::make_output_section): Likewise.  Set order.
1368         (Layout::default_section_order): New function.
1369         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1370         * output.cc (Output_section::Output_section): Initialize order_.
1371         Don't initialize deleted fields.
1372         (Output_segment::Output_segment): Don't initialize deleted
1373         fields.
1374         (Output_segment::add_output_section_to_load): New function
1375         replacing add_output_section.  Change all callers to call this or
1376         add_output_section_to_nonload.
1377         (Output_segment::add_output_section_to_nonload): New function.
1378         (Output_segment::remove_output_section): Rewrite.
1379         (Output_segment::add_initial_output_data): Likewise.
1380         (Output_segment::has_any_data_sections): Likewise.
1381         (Output_segment::is_first_section_relro): Likewise.
1382         (Output_segment::maximum_alignment): Likewise.
1383         (Output_segment::has_dynamic_reloc): New function replacing
1384         dynamic_reloc_count.  Change all callers.
1385         (Output_segment::has_dynamic_reloc_list): New function replacing
1386         dynamic_reloc_count_list.  Change all callers.
1387         (Output_segment::set_section_addresses): Rewrite.
1388         (Output_segment::set_offset): Rewrite.
1389         (Output_segment::find_first_and_last_list): Remove.
1390         (Output_segment::set_tls_offsets): Rewrite.
1391         (Output_segment::first_section_load_address): Likewise.
1392         (Output_segment::output_section_count): Likewise.
1393         (Output_segment::section_with_lowest_load_address): Likewise.
1394         (Output_segment::write_section_headers): Likewise.
1395         (Output_segment::print_sections_to_map): Likewise.
1396         * output.h (class Output_data): Remove dynamic_reloc_count_
1397         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
1398         (Output_data::add_dynamic_reloc): Rewrite.
1399         (Output_data::has_dynamic_reloc): New function.
1400         (Output_data::dynamic_reloc_count): Remove.
1401         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
1402         is_last_relro_, is_first_non_relro_, is_interp_,
1403         is_dynamic_linker_section_ fields.  Add order and set_order
1404         functions.  Remove is_relro_local, set_is_relro_local,
1405         is_last_relro, set_is_last_relro, is_first_non_relro,
1406         set_is_first_non_relro functions, is_interp, set_is_interp,
1407         is_dynamic_linker_section, and set_is_dynamic_linker_section
1408         functions.
1409         (class Output_segment): Change Output_data_list from std::list to
1410         std:;vector.  Add output_lists_ field.  Remove output_data_ and
1411         output_bss_ fields.  Update declarations.
1413 2010-08-02  Ian Lance Taylor  <iant@google.com>
1415         * arm.cc (Target_arm::gc_process_relocs): Use typename.
1416         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
1417         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
1419 2010-08-02  Ian Lance Taylor  <iant@google.com>
1421         PR 11855
1422         * script.cc (Script_options::Script_options): Initialize
1423         symbol_definitions_ and symbol_references_.
1424         (Script_options::add_symbol_assignment): Update
1425         symbol_definitions_ and symbol_references_.
1426         (Script_options::add_symbol_reference): New function.
1427         (script_symbol): New function.
1428         * script.h (class Script_options): Add symbol_definitions_ and
1429         symbol_references_ fields.
1430         (Script_options::referenced_const_iterator): New type.
1431         (Script_options::referenced_begin): New function.
1432         (Script_options::referenced_end): New function.
1433         (Script_options::is_referenced): New function.
1434         (Script_options::any_unreferenced): New function.
1435         * script-c.h (script_symbol): Declare.
1436         * yyscript.y (exp): Call script_symbol.
1437         * symtab.cc: Include "script.h".
1438         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
1439         Change all callers.  Check symbols referenced by scripts.
1440         (Symbol_table::add_undefined_symbols_from_command_line): Add
1441         layout parameter.  Change all callers.
1442         (Symbol_table::do_add_undefined_symbols_from_command_line):
1443         Likewise.  Break out loop body.  Check symbols referenced by
1444         scripts.
1445         (Symbol_table::add_undefined_symbol_from_command_line): New
1446         function broken out of
1447         do_add_undefined_symbols_from_command_line.
1448         * symtab.h (class Symbol_table): Update declarations.
1449         * archive.cc: Include "layout.h".
1450         (Archive::should_include_member): Add layout parameter.  Change
1451         all callers.  Check for symbol mentioned in expression.
1452         * archive.h (class Archive): Update declaration.
1453         * object.cc (Sized_relobj::do_should_include_member): Add layout
1454         parameter.
1455         * object.h (Object::should_include_member): Add layout parameter.
1456         Change all callers.
1457         (Object::do_should_include_member): Add layout parameter.
1458         (class Sized_relobj): Update declaration.
1459         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
1460         parameter.
1461         * dynobj.h (class Sized_dynobj): Update declaration.
1462         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
1463         layout parameter.
1464         * plugin.h (class Sized_pluginobj): Update declaration.
1466 2010-08-02  Ian Lance Taylor  <iant@google.com>
1468         PR 11866
1469         * output.cc (Output_segment::set_offset): Search for the first and
1470         last sections rather than assuming that the list is in order.
1471         (Output_segment::find_first_and_last_list): New function.
1472         * output.h (class Output_segment): Update declarations.
1473         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
1474         (relro_strip_test_SOURCES): New variable.
1475         (relro_strip_test_DEPENDENCIES): New variable.
1476         (relro_strip_test_LDFLAGS): New variable.
1477         (relro_strip_test_LDADD): New variable.
1478         (relro_strip_test.so): New target.
1480 2010-08-02  Ian Lance Taylor  <iant@google.com>
1482         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
1483         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
1484         (Target_i386::got_tlsdesc_section): New function.
1485         (Target_i386::got_section): Create space for GOT entries for
1486         TLSDESC relocations.
1487         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
1488         R_386_TLS_GOTDESC.
1489         (Target_i386::Scan::global): Likewise.
1490         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
1491         using TLSDESC GOT.
1492         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
1493         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
1494         (Target_x86_64::got_tlsdesc_section): New function.
1495         (Target_x86_64::got_section): Create space for GOT entries for
1496         TLSDESC relocations.
1497         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
1498         R_386_TLS_GOTDESC.
1499         (Target_x86_64::Scan::global): Likewise.
1500         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
1501         using TLSDESC GOT.
1503 2010-08-02  Ian Lance Taylor  <iant@google.com>
1505         * testsuite/final_layout.sh: Use dc to convert from hex to
1506         decimal.
1508 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
1510         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
1511         paramter to the call to gold::gc_process_relocs.
1512         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
1513         paramter to the call to gold::gc_process_relocs.
1514         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
1515         parameter to the call to gold::gc_process_relocs.
1516         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
1517         template parameter to the call to gold::gc_process_relocs.
1518         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
1519         paramter to the call to gold::gc_process_relocs.
1520         * gc.h (get_embedded_addend_size): New function.
1521         (gc_process_relocs): Save the size of the reloc for use by ICF.
1522         * icf.cc (get_section_contents): Get the addend from the text section
1523         for SHT_REL relocation sections.
1524         * icf.h (Icf::Reloc_addend_size_info): New typedef.
1525         (Icf::Reloc_info): Add new member reloc_addend_size_info.
1526         * int_encoding.h (read_from_pointer): New overloaded function.
1527         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
1528         * testsuite/icf_sht_rel_addend_test.sh: New file.
1529         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
1530         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
1532 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1534         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
1535         * Makefile.in: Regenerate.
1536         * testsuite/Makefile.in: Regenerate.
1538 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
1540         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
1541         * gold/testsuite/debug_msg.cc: Likewise.
1542         * gold/testsuite/odr_violation1.cc
1543         * gold/testsuite/odr_violation2.cc
1545 2010-07-21  Cary Coutant  <ccoutant@google.com>
1547         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
1548         string, and length fields.
1549         (Output_merge_string::Merged_strings_list): New type.
1550         (Output_merge_string::Merged_strings_lists): New typedef.
1551         (Output_merge_string): Replace merged_strings_ with
1552         merged_strings_lists_.
1553         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1554         Merged_strings_list per input object and section.  Don't store pointer
1555         to the string.  Don't store length with each merged string entry.
1556         (Output_merge_string::finalize_merged_data): Loop over list of merged
1557         strings lists.  Recompute length of each merged string.
1559 2010-07-15  Cary Coutant  <ccoutant@google.com>
1561         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1562         here.
1564 2010-07-14  Ian Lance Taylor  <iant@google.com>
1566         * descriptors.cc (Descriptors::open): Report correct name in error
1567         message.
1569 2010-07-13  Doug Kwan  <dougkwan@google.com>
1571         * arm.cc (Arm_input_section::Arm_input_section): For a
1572         SHT_ARM_EXIDX section, always keeps the input sections.
1573         (Arm_input_section::set_exidx_section_link): New method.
1574         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1575         has_errors_ to false.
1576         (Arm_exidx_input_section::has_errors,
1577         Arm_exidx_input_section::set_has_errors): New methods.
1578         (Arm_exidx_input_section::has_errors_): New data member.
1579         (Arm_relobj::get_exidx_shndx_list): New method.
1580         (Arm_output_section::append_text_sections_to_list): Do not skip
1581         section without SHF_EXECINSTR.
1582         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1583         errors.
1584         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1585         section header.  Make error messages more verbose.  Check for
1586         a non-executable section linked to an EXIDX section.
1587         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1588         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1589         check that there is no deferred EXIDX section if we exit early.
1590         Instead of not making an EXIDX section in case of an error, make one
1591         and set the has_errors flag of it.
1592         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1593         in a relocatable link.
1594         (Target_arm::do_relax): Look for the EXIDX output section instead of
1595         assuming that it is called .ARM.exidx.
1596         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1597         section list.  Do not check for SHF_EXECINSTR section flags but
1598         skip any input section with errors.
1599         * output.cc (Output_section::Output_section): Initialize
1600         always_keeps_input_sections_ to false.
1601         (Output_section::add_input_section): Check for
1602         always_keeps_input_sections_.
1603         *  output.h (Output_section::always_keeps_input_sections,
1604         Output_section::set_always_keeps_input_sections): New methods.
1605         (Output_section::always_keeps_input_sections): New data member.
1607 2010-07-13  Rafael Espindola  <espindola@google.com>
1609         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1610         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1612 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1613             Ian Lance Taylor  <iant@google.com>
1615         * output.h (Output_section_lookup_maps::add_merge_section):
1616         Correct check of whether value was inserted.
1617         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1618         (Output_section_lookup_maps::add_relaxed_input_section):
1619         Likewise.
1620         * arm.cc (Target_arm::got_section): Remove used local os.
1621         * i386.cc (Target_i386::got_section): Likewise.
1622         * x86_64.cc (Target_x86_64::got_section): Likewise.
1623         * sparc.cc (Target_sparc::got_section): Likewise.
1624         (Target_sparc::relocate): Remove unused local have_got_offset.
1625         * powerpc.cc (Target_powerpc::relocate): Likewise.
1627 2010-07-13  Ian Lance Taylor  <iant@google.com>
1629         * compressed_output.cc (zlib_decompress): Fix signature in
1630         !HAVE_ZLIB_H case.
1632         * archive.cc (Archive::include_member): Unlock an external member
1633         of a thin archive.  Don't bother to delete an object we know is
1634         NULL.
1636 2010-07-12  Cary Coutant  <ccoutant@google.com>
1638         * compressed_output.cc (zlib_decompress): New function.
1639         (get_uncompressed_size): New function.
1640         (decompress_input_section): New function.
1641         * compressed_output.h (get_uncompressed_size): New function.
1642         (decompress_input_section): New function.
1643         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1644         Handle compressed debug sections.
1645         * layout.cc (is_compressed_debug_section): New function.
1646         (Layout::output_section_name): Map compressed section names to
1647         canonical names.
1648         * layout.h (is_compressed_debug_section): New function.
1649         (is_debug_info_section): Recognize compressed debug sections.
1650         * merge.cc: Include compressed_output.h.
1651         (Output_merge_data::do_add_input_section): Handle compressed
1652         debug sections.
1653         (Output_merge_string::do_add_input_section): Handle compressed
1654         debug sections.
1655         * object.cc: Include compressed_output.h.
1656         (Sized_relobj::Sized_relobj): Initialize new data members.
1657         (build_compressed_section_map): New function.
1658         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1659         * object.h (Object::section_is_compressed): New method.
1660         (Object::do_section_is_compressed): New method.
1661         (Sized_relobj::Compressed_section_map): New type.
1662         (Sized_relobj::do_section_is_compressed): New method.
1663         (Sized_relobj::compressed_sections_): New data member.
1664         * output.cc (Output_section::add_input_section): Handle compressed
1665         debug sections.
1666         * reloc.cc: Include compressed_output.h.
1667         (Sized_relobj::write_sections): Handle compressed debug sections.
1669 2010-07-08  Cary Coutant  <ccoutant@google.com>
1671         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1672         weak when resolving to a dynamic def.
1673         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1674         for weak undef/dynamic def cases. Adjust callers.
1675         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1676         undef_binding_weak_.
1677         (Symbol_table::sized_write_globals): Adjust symbol binding.
1678         (Symbol_table::sized_write_symbol): Add binding parameter.
1679         * symtab.h (Symbol::set_undef_binding): New method.
1680         (Symbol::is_undef_binding_weak): New method.
1681         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1682         (Symbol_table::should_override): Add new parameter.
1683         (Symbol_table::sized_write_symbol): Add new parameter.
1685         * testsuite/weak_undef_file1.cc: Add new test case.
1686         * testsuite/weak_undef_file2.cc: Fix header comment.
1687         * testsuite/weak_undef_test.cc: Add new test case.
1689 2010-06-29  Doug Kwan  <dougkwan@google.com>
1691         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1692         Initialize USE_SYMBOL_.
1693         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1694         definition.
1695         (Arm_reloc_property::uses_symbol_): New data member declaration.
1696         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1697         uses symbol value and symbol is undefined but not weakly undefined.
1699 2010-06-28  Rafael Espindola  <espindola@google.com>
1701         * plugin.cc (Plugin::load): Use dlerror.
1703 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1705         * symtab.cc (detect_odr_violations): When reporting an ODR
1706         violation, report an object where the symbol is defined.
1708 2010-06-25  Doug Kwan  <dougkwan@google.com>
1710         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1711         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1712         definition.
1713         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1714         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1715         target hook to detect function points.
1716         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1717         * icf.h (Icf::check_section_for_function_pointers): Change type of
1718         parameter SECTION_NAME to const reference to std::string.  Use
1719         target hook to determine if section may have unsafe pointers.
1720         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1721         method definition.
1723 2010-06-21  Rafael Espindola  <espindola@google.com>
1725         * fileread.cc (Input_file::find_fie): New
1726         (Input_file::open): Use Input_file::find_fie.
1727         * fileread.h (Input_file::find_fie): New
1728         * plugin.cc (set_extra_library_path): New.
1729         (Plugin::load): Add set_extra_library_path to the transfer vector.
1730         (Plugin_manager::set_extra_library_path): New.
1731         (Plugin_manager::add_input_file): Use the extra search path if set.
1732         (set_extra_library_path(): New.
1733         * plugin.h (Plugin_manager): Add set_extra_library_path and
1734         extra_search_path_.
1736 2010-06-19  Cary Coutant  <ccoutant@google.com>
1738         * layout.cc (gdb_sections): Add .debug_types.
1739         (lines_only_debug_sections): Likewise.
1741 2010-06-18  Rafael Espindola  <espindola@google.com>
1743         * plugin.cc (add_input_file,add_input_library)
1744         (Plugin_manager::add_input_file): Make filename arguments const.
1745         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1746         const.
1748 2010-06-16  Doug Kwan  <dougkwan@google.com>
1750         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1751         .ARM.attributes section if we have not merged any input
1752         attributes sections.
1754 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1756         * arm.cc: Allow combining objects with no EABI version
1757         information.
1759 2010-06-15  Rafael Espindola  <espindola@google.com>
1761         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1763 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1765         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1766         (struct iovec): Correct !HAVE_READV definition.
1768 2010-06-10  Cary Coutant  <ccoutant@google.com>
1770         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1771         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1772         reloc sections.
1773         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1775         PR 11683
1776         * symtab.h (Symbol::is_placeholder): New member function.
1777         * target-reloc.h (relocate_section): Check for placeholder symbols.
1779         * testsuite/Makefile.am (plugin_test_8): New test.
1780         (plugin_test_9): New test.
1781         * testsuite/Makefile.in: Regenerate.
1783 2010-06-09  Nick Clifton  <nickc@redhat.com>
1785         * yyscript.y (input_list_element): Allow strings prefixed with
1786         the '-' character.  Treat these as libraries.
1787         * script.cc (script_add_library): New function.  Adds a library
1788         specified by "-l<name>" found in an input script.
1789         * script-c.h: Add prototype for script_add_library.
1791 2010-06-07  Doug Kwan  <dougkwan@google.com>
1793         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1794         Restrict stub-group size to be within long conditional branch
1795         range when working around cortex-A8 erratum.
1797 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1799         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1800         #ifdef typo.
1802 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1804         PR gold/11658
1805         * output.cc
1806         (Output_section::Input_section_sort_entry::compare_section_ordering):
1807         Change to return non-zero correctly.
1808         (Output_section::Input_section_sort_section_order_index_compare
1809         ::operator()): Change to fix ambiguity in comparisons.
1811 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1813         * gold.h (is_wildcard_string): New function.
1814         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1815         (Layout::layout_eh_frame): Ditto.
1816         (Layout::find_section_order_index): New method.
1817         (Layout::read_layout_from_file): New method.
1818         * layout.h (Layout::find_section_order_index): New method.
1819         (Layout::read_layout_from_file): New method.
1820         (Layout::input_section_position_): New private member.
1821         (Layout::input_section_glob_): New private member.
1822         * main.cc (main): Call read_layout_from_file here.
1823         * options.h (--section-ordering-file): New option.
1824         * output.cc (Output_section::input_section_order_specified_): New
1825         member.
1826         (Output_section::Output_section): Initialize new member.
1827         (Output_section::add_input_section): Add new parameter.
1828         Keep input sections when --section-ordering-file is used.
1829         (Output_section::set_final_data_size): Sort input sections when
1830         section ordering file is specified.
1831         (Output_section::Input_section_sort_entry): Add new parameter.
1832         Check sorting type.
1833         (Output_section::Input_section_sort_entry::compare_section_ordering):
1834         New method.
1835         (Output_section::Input_section_sort_compare::operator()): Change to
1836         consider section_order_index.
1837         (Output_section::Input_section_sort_init_fini_compare::operator()):
1838         Change to consider section_order_index.
1839         (Output_section::Input_section_sort_section_order_index_compare
1840         ::operator()): New method.
1841         (Output_section::sort_attached_input_sections): Change to sort
1842         according to section order when specified.
1843         (Output_section::add_input_section<32, true>): Add new parameter.
1844         (Output_section::add_input_section<64, true>): Add new parameter.
1845         (Output_section::add_input_section<32, false>): Add new parameter.
1846         (Output_section::add_input_section<64, false>): Add new parameter.
1847         * output.h (Output_section::add_input_section): Add new parameter.
1848         (Output_section::input_section_order_specified): New
1849         method.
1850         (Output_section::set_input_section_order_specified): New method.
1851         (Input_section::Input_section): Initialize section_order_index_.
1852         (Input_section::section_order_index): New method.
1853         (Input_section::set_section_order_index): New method.
1854         (Input_section::section_order_index_): New member.
1855         (Input_section::Input_section_sort_section_order_index_compare): New
1856         struct.
1857         (Output_section::input_section_order_specified_): New member.
1858         * script-sections.cc (is_wildcard_string): Delete and move modified
1859         method to gold.h.
1860         (Output_section_element_input::Output_section_element_input): Modify
1861         call to is_wildcard_string.
1862         (Output_section_element_input::Input_section_pattern
1863         ::Input_section_pattern): Ditto.
1864         (Output_section_element_input::Output_section_element_input): Ditto.
1865         * testsuite/Makefile.am (final_layout): New test case.
1866         * testsuite/Makefile.in: Regenerate.
1867         * testsuite/final_layout.cc: New file.
1868         * testsuite/final_layout.sh: New file.
1870 2010-06-01  Rafael Espindola  <espindola@google.com>
1872         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1874 2010-06-01  Rafael Espindola  <espindola@google.com>
1876         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1877         visibility of symbols.
1879 2010-05-27  Doug Kwan  <dougkwan@google.com>
1881         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1882         from start of output section instead of address for a local symbol
1883         in a merged or relaxed section when doing a relocatable link.
1885 2010-05-26  Rafael Espindola  <espindola@google.com>
1887        PR 11604
1888         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1889         adding sections the garbage collector removed.
1890         * gold/testsuite/Makefile.am: Add test.
1891         * gold/testsuite/Makefile.in: Regenerate.
1892         * gold/testsuite/plugin_test_7.sh: New.
1893         * gold/testsuite/plugin_test_7_1.c: New.
1894         * gold/testsuite/plugin_test_7_2.c: New.
1896 2010-05-26  Rafael Espindola  <espindola@google.com>
1898         * script-sections.cc (Output_section_definition::set_section_addresses):
1899         Check for --section-start.
1901 2010-05-26  Doug Kwan  <dougkwan@google.com>
1903         * arm.cc (Arm_scan_relocatable_relocs): New class.
1904         (Target_arm::relocate_special_relocatable): New method.
1905         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1906         (Arm_relocate_functions::thumb_branch_common): Same.
1907         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1908         instead of Default_scan_relocatable_relocs.
1909         * target-reloc.h (relocate_for_relocatable): Let target handle
1910         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1911         * target.h (Sized_target::relocate_special_relocatable): New method.
1913 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1915         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1917 2010-05-23  Doug Kwan  <dougkwan@google.com>
1919         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1920         instead of a cast.
1921         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1922         with a direct branch, not a conditional branch, to a stub.
1923         * merge.cc (Output_merge_base::record_input_section): New method
1924         defintion.
1925         (Output_merge_data::do_add_input_section): Record input section if
1926         keeps-input-sections flag is set.
1927         (Output_merge_string::do_add_input_section): Ditto.
1928         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1929         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1930         INPUT_SECTIONS_.
1931         (Output_merge_base::keeps_input_sections,
1932         Output_merge_base::set_keeps_input_sections,
1933         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1934         method definitions.
1935         (Output_merge_base::Input_sections): New type declaration.
1936         (Output_merge_base::input_sections_begin,
1937         Output_merge_base::input_sections_end,
1938         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1939         (Output_merge_base::bool keeps_input_sections_,
1940         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1941         Output_merge_base::input_sections_): New data members.
1942         (Output_merge_data::do_set_keeps_input_sections): New method
1943         defintion.
1944         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1945         * output.cc (Output_section::Input_section::relobj): Move method
1946         defintion from class declaration to here and handle merge sections.
1947         (Output_section::Input_section::shndx): Ditto.
1948         (Output_section::Output_section): Remove initializations of removed
1949         data members and initialize new data member LOOKUP_MAPS_.
1950         (Output_section::add_input_section): Set keeps-input-sections flag
1951         for a newly created merge output section as appropriate.  Adjust code
1952         to use Output_section_lookup_maps class.
1953         (Output_section::add_relaxed_input_section): Adjst code for lookup
1954         maps code refactoring.
1955         (Output_section::add_merge_input_section): Add a new parameter
1956         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1957         class.  If adding input section to a newly created merge output
1958         section fails, remove the new merge section.
1959         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1960         Adjust code for use of the Output_section_lookup_maps class.
1961         (Output_section::find_merge_section): Ditto.
1962         (Output_section::build_lookup_maps): New method defintion.
1963         (Output_section::find_relaxed_input_section): Adjust code to use
1964         Output_section_lookup_maps class.
1965         (Output_section::get_input_sections): Export merge sections.  Adjust
1966         code to use Output_section_lookup_maps class.
1967         (Output_section:::add_script_input_section): Adjust code to use
1968         Output_section_lookup_maps class.  Update lookup maps for merge
1969         sections also.
1970         (Output_section::discard_states): Use Output_section_lookup_maps.
1971         (Output_section::restore_states): Same.
1972         * output.h (Merge_section_properties): Move class defintion out of
1973         Output_section.
1974         (Output_section_lookup_maps): New class.
1975         (Output_section::Input_section::is_merge_section): New method
1976         defintion.
1977         (Output_section::Input_section::relobj): Move defintion out of class
1978         defintion.  Declare method only.
1979         (Output_section::Input_section::shndx): Ditto.
1980         (Output_section::Input_section::output_merge_base): New method defintion.
1981         (Output_section::Input_section::u2_.pomb): New union field.
1982         (Output_section::Merge_section_by_properties_map,
1983         Output_section::Output_section_data_by_input_section_map,
1984         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1985         Remove types.
1986         (Output_section::add_merge_input_section): Add new parameter
1987         KEEPS_INPUT_SECTIONS.
1988         (Output_section::build_lookup_maps): New method declaration.
1989         (Output_section::merge_section_map_,
1990         Output_section::merge_section_by_properties_map_,
1991         Output_section::relaxed_input_section_map_,
1992         Output_section::is_relaxed_input_section_map_valid_): Remove data
1993         members.
1994         (Output_section::lookup_maps_): New data member.
1996 2010-05-21  Doug Kwan  <dougkwan@google.com>
1998         PR gold/11619
1999         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
2000         avoid a compilation error.
2002 2010-05-19  Rafael Espindola  <espindola@google.com>
2004         * script-sections.cc (Output_section_definition::allocate_to_segment):
2005         Update the phdrs_list even when the output section is NULL.
2006         * testsuite/Makefile.am: Add test.
2007         * testsuite/Makefile.in: Regenerate.
2008         * testsuite/script_test_9.cc: New.
2009         * testsuite/script_test_9.sh: New.
2010         * testsuite/script_test_9.t: New.
2012 2010-05-19  Doug Kwan  <dougkwan@google.com>
2014         * arm.cc (Arm_input_section::original_size): New method.
2015         (Arm_input_section::do_addralign): Add a cast.
2016         (Arm_input_section::do_output_offset): Remove static cast.
2017         (Arm_input_section::original_addralign,
2018          Arm_input_section::original_size_): Change type to uint32_t.
2019         (Arm_input_section::init): Add safe casts for section alignment
2020         and size.
2021         (Arm_input_section::set_final_data_size): Do not set address and
2022         offset of stub table.
2023         (Arm_output_section::fix_exidx_coverage): Change use of of
2024         Output_section::Simple_input_section to that of
2025         Output_section::Input_section.
2026         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
2027         except for the first pass.
2028         * output.cc (Output_section::get_input_sections): Change type of
2029         input_sections to std::list<Input_section>.
2030         (Output_section::add_script_input_section): Rename from
2031         Output_section::add_simple_input_section.  Change type of SIS
2032         parameter from Simple_input_section to Input_section.
2033         * output.h (Output_section::Simple_input_section): Remove class.
2034         (Output_section::Input_section): Change class visibility to public.
2035         (Output_section::Input_section::addralign): Use stored alignments
2036         for special input sections if set.
2037         (Output_section::Input_section::set_addralign): New method.
2038         (Output_section::get_input_sections): Change parameter type from
2039         list of Simple_input_section to list of Input_section.
2040         (Output_section::add_script_input_section): Rename from
2041         Output_section::add_simple_input_section. Change first parameter's
2042         type from Simple_input_section to Input_section and remove the
2043         second and third parameters.
2044         * script-sections.cc (Input_section::Input_section_list): Change
2045         type to list of Output_section::Input_section/
2046         (Input_section_info::Input_section_info): Change parameter type of
2047         INPUT_SECTION to Output_section::Input_section.
2048         (Input_section_info::input_section): Change return type.
2049         (Input_section_info::input_section_): Change type to
2050         Output_section::Input_section.
2051         (Output_section_element_input::set_section_addresses): Adjust code
2052         to use Output_section::Input_section instead of
2053         Output_section::Simple_input_section.  Adjust code for renaming
2054         of Output_section::add_simple_input_section.
2055         (Orphan_output_section::set_section_addresses): Ditto.
2057 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2059         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
2060         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
2062 2010-05-18  Rafael Espindola  <espindola@google.com>
2064         * options.cc (General_options::finalize): Handle -nostdlib.
2065         * options.h (nostdlib): New option.
2066         * script.cc (script_add_search_dir): Handle -nostdlib.
2068 2010-05-12  Doug Kwan  <dougkwan@google.com>
2070         * arm.cc (Target_arm::do_finalize_sections): Create an empty
2071         attributes section only if there no attributes section after merging.
2072         (Target_arm::merge_object_attributes): Move value of
2073         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
2074         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
2075         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
2076         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
2077         and arm_attr_merge_7.stdout.
2078         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
2079         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
2080         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
2081         arm_attr_merge_7b.o): New rules.
2082         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
2083         arm_attr_merge_7
2084         * testsuite/Makefile.in: Regenerate.
2085         * testsuite/arm_attr_merge.sh: New file.
2086         * testsuite/arm_attr_merge_[67][ab].s: Same.
2088 2010-05-05  Nick Clifton  <nickc@redhat.com>
2090         * po/es.po: Updated Spanish translation.
2092 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2094         * Makefile.am (install-exec-local): Properly install gold as
2095         default cross linker.
2096         * Makefile.in: Regenerated.
2098 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2099             Nick Clifton  <nickc@redhat.com>
2101         * configure.ac (install_as_default): Define and set to false
2102         unless --enable-gold or --enable-gold=both/gold has been
2103         specified.
2104         * configure: Regenerate.
2106         * Makefile.am (install-exec-local): Install the executable as
2107         'ld.gold'.  If install_as_default is true then also install it as
2108         'ld'.
2109         * Makefile.in: Regenerated.
2111 2010-04-24  Ian Lance Taylor  <iant@google.com>
2113         * layout.cc (Layout::layout_reloc): In relocatable link don't
2114         combine reloc sections for grouped sections.
2116 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
2118         * gc.h (gc_process_relocs): Pass information on relocs pointing to
2119         sections that are not ordinary to icf.
2120         * icf.cc (get_section_contents): Handle relocation pointing to section
2121         with no object or shndx information.
2122         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
2123         * testsuite/Makefile.in: Regenerate.
2124         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
2125         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
2127 2010-04-22  Ian Lance Taylor  <iant@google.com>
2129         * expression.cc (Expression::Expression_eval_info): Add
2130         result_alignment_pointer field.
2131         (Expression::eval_with_dot): Add result_alignment_pointer
2132         parameter.  Change all callers.
2133         (Expression::eval_maybe_dot): Likewise.
2134         (class Binary_expression): Add alignment_pointer parameter to
2135         left_value and right_value.  Change all callers.
2136         (BINARY_EXPRESSION): Set result alignment.
2137         (class Trinary_expression): Add alignment_pointer parameter to
2138         arg2_value and arg3_value.  Change all callers.
2139         (Trinary_cond::value): Set result alignment.
2140         (Max_expression::value, Min_expression::value): Likewise.
2141         (Align_expression::value): Likewise.
2142         * script-sections.cc (class Sections_element): Add dot_alignment
2143         parameter to set_section_addresses virtual function.  Update
2144         instantiations.
2145         (class Output_section_element): Likewise.
2146         (Script_sections::create_segments): Add dot_alignment parameter.
2147         Change all callers.
2148         (Script_sections::create_segments_from_phdrs_clause): Likewise.
2149         (Script_sections::set_phdrs_clause_addresses): Likewise.
2150         * script-sections.h: Update declarations.
2151         * script.h: Update declarations.
2152         * output.h (Output_segment::set_minimum_p_align): Don't decrease
2153         min_p_align.
2154         * testsuite/script_test_3.t: Set large alignment.
2155         * testsuite/script_test_3.sh: Make sure that at least one LOAD
2156         segment has expected alignment.
2158 2010-04-22  Nick Clifton  <nickc@redhat.com>
2160         * po/gold.pot: Updated by the Translation project.
2161         * po/vi.po: Updated Vietnamese translation.
2163 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
2165         * testsuite/Makefile.am (check_PROGRAMS): Add
2166         icf_virtual_function_folding_test.
2167         * testsuite/Makefile.in: Regenerated.
2169 2010-04-15  Andrew Haley  <aph@redhat.com>
2171         * options.h (merge_exidx_entries): New option.
2172         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
2173         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
2174         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
2175         (Target_arm::merge_exidx_entries): New function.
2176         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
2177         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
2178         to Arm_exidx_fixup constructor.
2179         Add new arg, merge_exidx_entries.
2180         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
2181         Arm_output_section::fix_exidx_coverage.
2183 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
2185         * icf.cc (get_section_contents): Check for preemptible functions.
2186         Ignore addend when appropriate.
2187         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
2188         section folded.
2189         (add_from_relobj): Check for section folded.
2190         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
2191         * symtab.h (should_add_dynsym_entry): Add new parameter.
2192         * target-reloc.h (scan_relocs): Check for section folded.
2193         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
2194         Check reloc types for function pointers in shared objects.
2195         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
2196         case.
2197         (icf_preemptible_functions_test): New test case.
2198         (icf_string_merge_test): New test case.
2199         * testsuite.Makefile.in: Regenerate.
2200         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
2201         bar_glob.  Refactor code.
2202         * testsuite/icf_preemptible_functions_test.cc: New file.
2203         * testsuite/icf_preemptible_functions_test.sh: New file.
2204         * testsuite/icf_string_merge_test.cc: New file.
2205         * testsuite/icf_string_merge_test.sh: New file.
2206         * testsuite/icf_virtual_function_folding_test.cc: New file.
2207         * testsuite/icf_virtual_function_folding_test.sh: New file.
2209 2010-04-14  Doug Kwan  <dougkwan@google.com>
2211         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
2212         for local symbol recounting if we remove a section due to ICF.
2213         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
2214         there are no regular objects in input.
2216 2010-04-13  Doug Kwan  <dougkwan@google.com>
2218         * arm.cc (Arm_input_section::set_final_data_size): Compute
2219         accurate final data size instead of using current data size.
2221 2010-04-09  Doug Kwan  <dougkwan@google.com>
2223         * layout.cc (Layout::choose_output_section): Handle script section
2224         types.
2225         (Layout::make_output_section_for_script): Add section type parameter.
2226         Handle script section types.
2227         * layout.h (Layout::make_output_section_for_script): Add section
2228         type parameter.
2229         * output.cc (Output_section::Output_section): Initialize data member
2230         is_noload_.
2231         (Output_section::do_reset_address_and_file_offset): Do not set address
2232         to 0 if section is a NOLOAD section.
2233         * output.h (Output_section::is_noload): New method.
2234         (Output_section::set_is_noload): Ditto.
2235         (Output_section::is_noload_): New data member.
2236         * script-c.h (Script_section_type): New enum type.
2237         (struct Parser_output_section_header): Add new file section_type.
2238         * script-sections.cc (Sections_element::output_section_name): Add
2239         parameter for returning script section type.
2240         (Output_section_definition::output_section_name): Ditto.
2241         (Output_section_definition::section_type)P; New method.
2242         (Output_section_definiton::script_section_type_name): Ditto.
2243         (Output_section_definition::script_section_type_): New data member.
2244         (Output_section_definition::Output_section_definition): Initialize
2245         data member Output_section_definition::script_section_type_.
2246         (Output_section_definition::create_sections): Pass script section type
2247         to Layout::make_output_section_for_script.
2248         (Output_section_definition::output_section_name): Return script
2249         section type to caller.
2250         (Output_section_definition::set_section_address): Do not advance
2251         dot value and load address if section type is NOLOAD.  Set address
2252         of NOLOAD sections regardless of section flags.
2253         (Output_section_definition::print): Print section type if it is
2254         not SCRIPT_SECTION_TYPE_NONE.
2255         (Output_section_definition::section_type): New method.
2256         (Output_section_definition::script_section_type_name): Ditto.
2257         (Script_sections::output_section_name): Add new parameter
2258         PSECTION_TYPE for returning script section type.  Pass it to
2259         section elements.  Handle discard sections.
2260         (Sort_output_sections::operator()): Handle NOLOAD sections.
2261         * script-sections.h (Script_sections::Section_type): New enum type.
2262         (Script_sections::output_section_name): Add a new parameter for
2263         returning script section type.
2264         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
2265         INFO and NOLOAD.
2266         * yyscript.y (union): Add new field SECTION_TYPE.
2267         (COPY, DSECT, INFO, NOLOAD): New tokens.
2268         (opt_address_and_section_type): Change type to output_section_header.
2269         (section_type): New non-terminal
2270         (section_header): Handle section type.
2271         (opt_address_and_section_type): Return section type value.
2273 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2275         * testsuite/plugin_common_test_1.c (foo): Add prototype.
2276         * testsuite/plugin_common_test_2.c (foo): Likewise.
2278 2010-04-08  Doug Kwan  <dougkwan@google.com>
2280         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
2281         Output_merge_data.
2282         * output.cc (Output_section::add_merge_input_section): Simplify
2283         code and return status of Output_merge_base::add_input_section.
2284         Update merge section map only if Output_merge_base::add_input_section
2285         returns true.
2287 2010-04-07  Doug Kwan  <dougkwan@google.com>
2289         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2290         if section is marked as containing instructions but has no mapping
2291         symbols.
2292         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2293         correct section index.
2294         (Arm_relobj::find_linked_text_section): Ditto.
2296 2010-04-07  Cary Coutant  <ccoutant@google.com>
2298         * archive.cc (include_member): Destroy Read_symbols_data object before
2299         releasing file.
2300         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2301         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2302         (Read_symbols_data::~Read_symbols_data) New destructor.
2303         (Section_relocs::Section_relocs) New constructor.
2304         (Section_relocs::~Section_relocs) New destructor.
2305         (Read_relocs_data::Read_relocs_data) New constructor.
2306         (Read_relocs_data::~Read_relocs_data) New destructor.
2307         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2308         pointers to NULL after deleting.
2310 2010-04-07  Doug Kwan  <dougkwan@google.com>
2312         * arm.cc: Replace "endianity" with "endianness" in comments.
2313         (Arm_exidx_cantunwind): Ditto.
2314         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2315         (Arm_relobj::merge_flags_and_attributes): New method.
2316         (Arm_relobj::merge_flags_and_attributes_): New data member.
2317         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2318         (Arm_relobj::scan_sections_for_stubs): Ditto.
2319         (Arm_relobj::do_read_symbols): Check to see if we really want to
2320         merge processor-specific flags and attributes.  Exit early if
2321         an object is empty except for section names and the undefined symbol.
2322         (Target_arm::do_finalize_sections): Move check for ELF format to
2323         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2324         attributes from a regular object only when we have determined that
2325         it is aapropriate.  Do not create an .ARM.attributes section in
2326         output if there is no regular input object.
2327         (Target_arm::merge_processor_specific_flags): Check
2328         --warn-mismatch before printing any error.
2329         (Target_arm::merge_object_attributes): Ditto.
2330         * gold.cc (queue_middle_tasks): Handle the case in which there is
2331         no regular object in input.
2332         * options.cc (General_options::parse_EB): New method.
2333         (General_options::parse_EL): Same.
2334         (General_options::General_options): Initialize endianness_.
2335         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2336         New options.
2337         (General_options::Endianness): New enum.
2338         (General_options::endianness): New method.
2339         (General_options::endianness_): New data member.
2340         * parameters.cc (Parameters::set_options): Check target endianness.
2341         (Parameters::set_target_once): Ditto.
2342         (Parameters::check_target_endianness): New method.
2343         (parameters_force_valid_target): If either -EL or -EB is specified,
2344         use it to define endianness of default target.
2345         * parameters.h (Parameters::check_target_endianness): New method
2346         declaration.
2347         * target.h (class Target): Change "endianity" to "endianness"
2348         in comments.
2350 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2352         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2353         * configure: Regenerate.
2354         * Makefile.in: Regenerate.
2355         * testsuite/Makefile.in: Regenerate.
2357 2010-04-06  Cary Coutant  <ccoutant@google.com>
2359         gcc PR lto/42757
2360         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2361         prevailing definitions of common symbols.
2362         * testsuite/plugin_test_6.sh: New test case.
2363         * testsuite/plugin_common_test_1.c: New test case.
2364         * testsuite/plugin_common_test_2.c: New test case.
2365         * testsuite/Makefile.am (plugin_test_6): New test case.
2366         * testsuite/Makefile.in: Regenerate.
2368 2010-04-06  Nick Clifton  <nickc@redhat.com>
2370         * po/vi.po: New Vietnamese translation.
2372 2010-03-30  Doug Kwan  <dougkwan@google.com>
2374         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2376 2010-03-25  Doug Kwan  <dougkwan@google.com>
2378         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2379         to avoid a conversion warning on a 32-bit host.
2381 2010-03-24  Ian Lance Taylor  <iant@google.com>
2383         * testsuite/script_test_3.t: Add a TLS segment.
2384         * testsuite/Makefile.am (check_PROGRAMS): Add
2385         tls_phdrs_script_test.
2386         (tls_phdrs_script_test_SOURCES): Define.
2387         (tls_phdrs_script_test_DEPENDENCIES): Define.
2388         (tls_phdrs_script_test_LDFLAGS): Define.
2389         (tls_phdrs_script_test_LDADD): Define.
2390         * testsuite/Makefile.in: Rebuild.
2392 2010-03-23  Cary Coutant  <ccoutant@google.com>
2394         * fileread.cc (find_or_make_view): Fix comment.
2396 2010-03-23  Ian Lance Taylor  <iant@google.com>
2398         * script-sections.cc (class Orphan_section_placement): Define
2399         PLACE_TLS and PLACE_TLS_BSS.
2400         (Orphan_section_placement::Orphan_section_placement): Initialize
2401         new places.
2402         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
2403         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
2404         (tls_script_test_SOURCES): Define.
2405         (tls_script_test_DEPENDENCIES): Define.
2406         (tls_script_test_LDFLAGS): Define.
2407         (tls_script_test_LDADD): Define.
2408         * testsuite/Makefile.in: Rebuild.
2410 2010-03-22  Doug Kwan  <dougkwan@google.com>
2412         * arm.cc (Arm_relocate_functions::abs8,
2413         Arm_relocate_functions::abs16): Use correct check for overflow
2414         specified in the ARM ELF specs.
2415         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
2416         target of a BLX instruction specially.
2417         (Reloc_stub::stub_type_for_reloc): Ditto.
2418         (Relocate::relocate): Use symbolic names instead of numeric relocation
2419         codes to report error.
2420         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
2421         workaround.
2422         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
2423         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
2424         thumb2_blx_out_of_range.stdout
2425         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
2426         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
2427         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
2428         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
2429         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
2430         thumb2_blx_in_range, thumb2_blx_in_range.o,
2431         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
2432         thumb2_blx_out_of_range.o): New rules.
2433         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
2434         thumb2_blx_in_range and thumb2_blx_out_of_range.
2435         * testsuite/Makefile.in: Regenerate.
2436         * arm_branch_in_range.sh: Add tests for THUMB BLX.
2437         * testsuite/thumb_blx_in_range.s: New file.
2438         * testsuite/thumb_blx_out_of_range.s: New file.
2440 2010-03-22  Rafael Espindola  <espindola@google.com>
2442         * archive.cc (Should_include): Move to archive.h.
2443         (should_include_member): Make it a member of Archive.
2444         (Lib_group): New.
2445         (Add_lib_group_symbols): New.
2446         * archive.h: Include options.h.
2447         (Archive_member): Moved from Archive.
2448         (Should_include): Moved from archive.cc.
2449         (Lib_group): New.
2450         (Add_lib_group_symbols): New.
2451         * dynobj.cc (do_should_include_member): New.
2452         * dynobj.h (do_should_include_member): New.
2453         * gold.cc (queue_initial_tasks): Update call to queue.
2454         * main.cc (main): Print lib group stats.
2455         * object.cc (do_should_include_member): New.
2456         * object.h: Include archive.h.
2457         (Object::should_include_member): New.
2458         (Object::do_should_include_member): New.
2459         (Sized_relobj::do_should_include_member): New.
2460         * options.cc (General_options::parse_start_lib): New.
2461         (General_options::parse_end_lib): New.
2462         (Input_arguments::add_file): Handle lib groups.
2463         (Input_arguments::start_group): Check we are not in a lib.
2464         (Input_arguments::start_lib): New.
2465         (Input_arguments::end_lib): New.
2466         * options.h (General_options): Add start_lib and end_lib.
2467         (Input_argument::lib_): New.
2468         (Input_argument::lib): New.
2469         (Input_argument::is_lib): New.
2470         (Input_file_lib): New.
2471         (Input_arguments::in_lib_): New.
2472         (Input_arguments::in_lib): New.
2473         (Input_arguments::start_lib): New.
2474         (Input_arguments::end_lib_): New.
2475         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
2476         in unused members as preempted.
2477         (Sized_pluginobj::do_should_include_member): New.
2478         * plugin.h (Sized_pluginobj::do_should_include_member): New.
2479         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
2480         return the blocker.
2481         (Read_symbols::do_whole_lib_group): New.
2482         (Read_symbols::do_lib_group): New.
2483         (Read_symbols::do_read_symbols): Handle lib groups.
2484         (Read_symbols::get_name): Handle lib groups.
2485         * readsyms.h (Read_symbols): Add an archive member pointer.
2486         (Read_symbols::do_whole_lib_group): New.
2487         (Read_symbols::do_lib_group): New.
2488         (Read_symbols::member_): New.
2489         * script.cc (read_input_script): Update call to queue_soon.
2491 2010-03-19  Doug Kwan  <dougkwan@google.com>
2493         * arm.cc (Stub_table::Stub_table): Initialize new data members
2494         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2495         (Stub_table::add_reloc_stub): Assign stub offset and update
2496         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2497         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
2498         New data members.
2499         (Stub_table::update_data_size_and_addralign): Use
2500         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
2501         instead of going over all reloc stubs.
2502         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
2503         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2504         Stringpool_template::offset_ to size of Stringpool_char.
2505         (Stringpool_template::new_key_offset): Remove code to initialize
2506         Stringpool_template::offset_.
2507         * stringpool.h (Stringpool_template::set_no_zero_null): Set
2508         Stringpool_template::offset_ to zero.
2510 2010-03-15  Doug Kwan  <dougkwan@google.com>
2512         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2513         offset_.
2514         (Stringpool_template::new_key_offset): New method.
2515         (Stringpool_template::add_string): Assign offsets when adding new
2516         strings.
2517         (Stringpool_template::set_string_offsets): Do not set string offsets
2518         when not optimizing.
2519         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
2520         member size_.
2521         (Chunked_vector::clear): Clear size_.
2522         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
2523         (Chunked_vector::size): Return size_.
2524         (Chunked_vector::push_back): Use size_ to find insert position.
2525         (Chunked_vector::size_): New data member.
2526         (Stringpool_template::set_no_zero_null): Assert string set is empty.
2527         (Stringpool_template::new_key_offset): New method declaration.
2528         (Stringpool_template::offset_): New data member.
2530 2010-03-15   Rafael Espindola  <espindola@google.com>
2532         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
2533         Add_symbols' constructor.
2534         * readsyms.h (Add_symbols): Remove the input_group member.
2536 2010-03-10  Ian Lance Taylor  <iant@google.com>
2538         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
2539         target to ask whether a reference to a symbol requires a stack
2540         split.
2541         * target.h (Target::is_call_to_non_split): New function.
2542         (Target::do_is_call_to_non_split): Declare virtual function.
2543         * target.cc: Include "symtab.h".
2544         (Target::do_is_call_to_non_split): New function.
2545         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
2547 2010-03-10  Cary Coutant  <ccoutant@google.com>
2549         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2550         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2551         (File_read::open[2]): Add whole_file_view_ to list of views.
2552         (File_read::make_view): Remove test of whole_file_view_.
2553         (File_read::find_or_make_view): Create whole_file_view_ if
2554         necessary.
2555         (File_read::clear_views): Replace bool parameter with enum;
2556         adjust all callers.  Don't delete views with permanent data;
2557         do delete cached views and views from archives if
2558         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2559         if clearing the corresponding view.
2560         * fileread.h (File_read::Clear_views_mode): New enum.
2561         (File_read::View::is_permanent_view): New method.
2562         (File_read::clear_views): Replace bool parameter
2563         with enum; adjust all callers.
2564         * options.h (General_options): Change keep_files_mapped option;
2565         add map_whole_files.
2566         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2567         releasing the file.
2568         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2569         the file.
2571 2010-03-10  David S. Miller  <davem@davemloft.net>
2573         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2575 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2577         * icf.cc (get_section_contents): Add '@' marker after processing the
2578         merge reloc.
2580 2010-03-08  Doug Kwan  <dougkwan@google.com>
2582         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2583         due to a conversion warning.
2584         (Arm_relobj::update_output_local_symbol_count): Check for local
2585         symbol with unset output index.
2587 2010-03-05  Ian Lance Taylor  <iant@google.com>
2589         * options.h (class General_options): Add --spare-dynamic-tags.
2590         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2591         --spare-dynamic-tags.
2593 2010-03-05  Ian Lance Taylor  <iant@google.com>
2595         * incremental.cc: Include "libiberty.h".
2597 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2599         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2600         function, is_info_ member.
2601         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2602         (Versions::Versions): Update caller.
2603         (Versions::define_base_version): Likewise.
2604         (Versions::add_def): Likewise.
2606 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2608         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2609         (Scan::possible_function_pointer_reloc): New function.
2610         (Scan::local_reloc_may_be_function_pointer): Change to call
2611         possible_function_pointer_reloc.
2612         (Scan::global_reloc_may_be_function_pointer): Ditto.
2613         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2614         relocations in ".data.rel.ro._ZTV" section.
2615         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2616         * testsuite/icf_safe_so_test.cc: Ditto.
2617         * testsuite/icf_safe_test.cc: Ditto.
2618         * testsuite/icf_safe_test.sh: Ditto.
2620 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2621             Ian Lance Taylor  <iant@google.com>
2623         * target-reloc.h (relocate_section): Check the symbol table index
2624         for -1U before setting the local symbol index.
2625         (scan_relocatable_relocs): If copying the relocation, record that
2626         the local symbol is required.
2627         * object.h (Symbol_value::is_output_symtab_index_set): New
2628         function.
2629         (Symbol_value::may_be_discarded_from_output_symtab): New
2630         function.
2631         (Symbol_value::has_output_symtab_entry): New function.
2632         (Symbol_value::needs_output_symtab_entry): Remove.
2633         (Symbol_value::output_symtab_index): Make sure the symbol index is
2634         set.
2635         (Symbol_value::set_output_symtab_index): Make sure the symbol
2636         index is not set.  Make sure the new index is valid.
2637         (Symbol_value::set_must_have_output_symtab_entry): New function.
2638         (Symbol_value::has_output_dynsym_entry): New function.
2639         (Symbol_value::set_output_dynsym_index): Make sure the new index
2640         is valid.
2641         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2642         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2643         local symbol if permitted.
2644         (Sized_relobj::do_finalize_local_symbols): Call
2645         is_output_symtab_index_set rather than needs_output_symtab_entry.
2646         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2647         rather than needs_output_symtab_entry.  Call
2648         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2649         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2650         is_output_symtab_index_set rather than needs_output_symtab_entry.
2651         * testsuite/discard_locals_relocatable_test.c: New file.
2652         * testsuite/discard_locals_test.sh: Test -r.
2653         * testsuite/Makefile.am (check_DATA): Add
2654         discard_locals_relocatable_test1.syms,
2655         discard_local_relocatable_test2.syms.
2656         (MOSTLYCLEANFILES): Likewise.  Also add
2657         discard_locals_relocatable_test1.lout and
2658         discard_locals_relocatable_test2.out.
2659         (discard_locals_relocatable_test1.syms): New target.
2660         (discard_locals_relocatable_test.o): New target.
2661         (discard_locals_relocatable_test1.out): New target.
2662         (discard_locals_relocatable_test2.syms): New target.
2663         (discard_locals_relocatable_test2.out): New target.
2664         (various): Add missing ../ld-new dependencies.
2665         * testsuite/Makefile.in: Rebuild.
2667 2010-03-03  Nick Clifton  <nickc@redhat.com>
2669         * po/fi.po: New Finnish translation.
2671 2010-03-01  Doug Kwan  <dougkwan@google.com>
2673         * layout.cc (Layout::Layout): Force section types of .init_array*,
2674         .preinit_array* and .fini_array* sections.
2675         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2676         Fix check of return value of std::string::find.().
2677         (Output_section::Input_section_sort_compare::operator()): Remove
2678         comment about .init_array.
2679         (Output_section::Input_section_sort_init_fini_compare::operator()):
2680         New method.
2681         (Output_section::sort_attached_input_sections): Handle .init_array
2682         and .fini_array specially.
2683         * output.h (Output_section::Inut_section_sort_compare): Update
2684         comment.
2685         (Output_section::Input_section_sort_init_fini_compare): New struct.
2687 2010-02-26  Doug Kwan  <dougkwan@google.com>
2689         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2690         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2691         * testsuite/debug_msg.sh: Avoid matching source line number for
2692         use of global variable undef_int.
2694 2010-02-26  Doug Kwan  <dougkwan@google.com>
2696         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2697         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2698         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2699         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2700         * options.cc (General_options::General_options): Initialize member
2701         fix_v4bx_.
2702         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2703         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2704         and rm_no_fix_v4bx.stdout
2705         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2706         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2707         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2708         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2709         and arm_no_fix_v4bx.
2710         * Makefile.in: Regenerate.
2711         * testsuite/arm_fix_v4bx.s: New file.
2712         * testsuite/arm_fix_v4bx.sh: Ditto.
2714 2010-02-24  Doug Kwan  <dougkwan@google.com>
2716         * arm.cc (Target_arm::got_section): Make the .got section the first
2717         non RELRO section in the data segment.
2718         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2719         suffixes of section names.
2721 2010-02-24  Doug Kwan  <dougkwan@google.com>
2723         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2724         flags and attributes merging if an input file is a binary file.
2725         * fileread.cc (Input_file::open): Record format of original file.
2726         * fileread.h (Input_file::Format): New enum type.
2727         (Input_file::Input_file): Initialize data member format_.
2728         (Input_file::format): New method definition.
2729         (Input_file::format_):: New data member.
2731 2010-02-24  Doug Kwan  <dougkwan@google.com>
2733         * arm.cc (Arm_output_data_got): New class.
2734         (ARM_TCB_SIZE): New constant
2735         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2736         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2737         If user uses a script with a SECTIONS clause, issue only a warning
2738         for a misplaced EXIDX input section.  Otherwise, issue an error.
2739         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2740         garbage collection.
2741         (Target_arm::got_mode_index_entry): Handle static linking.
2742         (Target_arm::Scan::local): Ditto.
2743         (Target_arm::Scan::global): Ditto.
2744         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2745         all incorrectly implemented relocations.
2746         (Target_arm::fix_exidx_coverage): Pass layout to
2747         Arm_output_section::fix_exidx_coverage.
2748         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2749         from ".ARM.exidx." and ".ARM.extab.".
2751 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2753         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2754         section if it does not already exist.
2755         * attributes.cc (Attributes_section_data::Attributes_section_data):
2756         Don't crash if size is zero.
2758 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2759             Ian Lance Taylor  <iant@google.com>
2761         * gold.cc (queue_middle_tasks): If no input files were opened,
2762         exit.
2763         * workqueue.h (Task_function::Task_function): Assert that there is
2764         a blocker.
2766 2010-02-22  Doug Kwan  <dougkwan@google.com>
2768         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2769         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2770         types to avoid warnings due to different uint64_t implementations
2771         on different hosts.
2773 2010-02-21  Doug Kwan  <dougkwan@google.com>
2775         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2776         handling of the maximum backward branch offset.
2777         (Arm_relocate_functions::thumb_branch_common): Ditto.
2778         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2779         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2780         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2781         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2782         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2783         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2784         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2785         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2786         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2787         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2788         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2789         thumb2_bl_out_of_range.o): New rules.
2790         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2791         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2792         thumb2_bl_out_of_range
2793         * testsuite/Makefile.in: Regenerate.
2794         * testsuite/arm_bl_in_range.s: New file.
2795         * testsuite/arm_bl_out_of_range.s: Ditto.
2796         * testsuite/arm_branch_in_range.sh: Ditto.
2797         * testsuite/arm_branch_range.t: Ditto.
2798         * testsuite/thumb2_branch_range.t: Ditto.
2799         * testsuite/thumb_bl_in_range.s: Ditto.
2800         * testsuite/thumb_bl_out_of_range.s: Ditto.
2801         * testsuite/thumb_branch_range.t: Ditto.
2803 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2805         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2806         Add reloc offset information.
2807         * icf.cc (get_section_contents): Change iterators to point to the new
2808         vectors. Add reloc offset information to the contents.
2809         * icf.h (Icf::Sections_reachable_info): New typedef.
2810         (Icf::Sections_reachable_list): New typedef.
2811         (Icf::Offset_info): New typedef.
2812         (Icf::Reloc_info): New struct typedef.
2813         (Icf::Reloc_info_list): New typedef.
2814         (Icf::symbol_reloc_list): Delete method.
2815         (Icf::addend_reloc_list): Delete method.
2816         (Icf::section_reloc_list): Delete method.
2817         (Icf::reloc_info_list): New method.
2818         (Icf::reloc_info_list_): New member.
2820 2010-02-19  Doug Kwan  <dougkwan@google.com>
2822         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2823         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2824         * arm.cc (Arm_relocation_functions): New forward declaration.
2825         (Target_arm::Target_arm): Initialize new data members
2826         got_mod_index_offset_ and tls_base_symbol_defined_.
2827         (Target_arm::Relocate::relocate_tls): New method.
2828         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2829          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2830         New methods.
2831         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2832         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2833         (Target_arm::got_mod_index_offset_,
2834         Target_arm::tls_base_symbol_defined_): New data members.
2835         (Target_arm::Scan::local, Target::Scan::global,
2836         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2837         relocations.
2839 2010-02-18  Doug Kwan  <dougkwan@google.com>
2841         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2842         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2843         text section as a parameter becuase some broken tools may not set
2844         the link in section header.
2845         (Target_arm::has_got_section): New method.
2846         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2847         without any mapping symbol as data only.  Remove warning.
2848         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2849         link in its section header, try to discover the link by inspecting the
2850         REL31 relocation at the beginning of the section.
2851         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2852         in error message.
2853         (Target_arm::Scan::global): Treat any reference to the symbol
2854         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2856 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2858         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2859         (Scan::global_reloc_may_be_function_pointer): New function.
2860         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2861         (Scan::global_reloc_may_be_function_pointer): New function.
2862         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2863         (Scan::global_reloc_may_be_function_pointer): New function.
2864         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2865         (Scan::global_reloc_may_be_function_pointer): New function.
2866         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2867         (Scan::global_reloc_may_be_function_pointer): New function.
2868         (Scan::possible_function_pointer_reloc): New function.
2869         (Target_x86_64::can_check_for_function_pointers): New function.
2870         * gc.h (gc_process_relocs): Scan relocation types to determine if
2871         function pointers were taken for targets that support it.
2872         * icf.cc (Icf::find_identical_sections): Include functions for
2873         folding in safe ICF whose pointer is not taken.
2874         * icf.h (Secn_fptr_taken_set): New typedef.
2875         (fptr_section_id_): New member.
2876         (section_has_function_pointers): New function.
2877         (set_section_has_function_pointers): New function.
2878         (check_section_for_function_pointers): New function.
2879         * options.h: Fix comment for safe ICF option.
2880         * target.h (can_check_for_function_pointers): New function.
2881         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2882         Modify icf_safe_test for X86-64.
2883         * testsuite/Makefile.in: Regenerate.
2884         * testsuite/icf_safe_so_test.cc: New file.
2885         * testsuite/icf_safe_so_test.sh: New file.
2886         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2887         (main): Change to take pointer to function kept_func_3.
2888         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2889         folding is done correctly for X86-64.
2891 2010-02-12  David S. Miller  <davem@davemloft.net>
2893         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2894         is_symbolless parameter.
2895         (Output_reloc<SHT_REL>::is_symbolless): New.
2896         (Output_reloc<SHT_REL>::is_symbolless_): New.
2897         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2898         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2899         (Output_reloc<SHT_RELA>::is_symbolless): New.
2900         (Output_data_reloc::add_global): Handle is_symbolless.
2901         (Output_data_reloc::add_global_relative): Likewise.
2902         (Output_data_reloc::add_local): Likewise.
2903         (Output_data_reloc::add_local_relative): Likewise.
2904         (Output_data_reloc::add_symbolless_global_addend): New.
2905         (Output_data_reloc::add_symbolless_local_addend): New.
2906         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2907         is_symbolless.
2908         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2909         instead of ->is_relative_
2910         (Output_reloc::write): Likewise.
2911         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2912         (Output_reloc::write_rel): Simplify.
2914         * sparc.cc (Target_sparc::Scan::local): Use
2915         ->add_symbolless_local_addend as needed.
2916         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2917         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2918         based upon relocation offset.
2920 2010-02-11  Doug Kwan  <dougkwan@google.com>
2922         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2923         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2924         beginning of function.
2925         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2926         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2927         parameter is_32bit in calls to should_apply_static_reloc.
2928         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2929         (check_DATA): Add arm_abs_global.stdout.
2930         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2931         arm_abs_global.stdout): New rules.
2932         (MOSTLLYCLEANFILES): Add arm_abs_global
2933         * Makefile.in: Regenerate.
2934         * testsuite/arm_abs_global.s: New file.
2935         * testsuite/arm_abs_global.sh: Ditto.
2936         * testsuite/arm_abs_lib.s: Ditto.
2938 2010-02-11  Ian Lance Taylor  <iant@google.com>
2940         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2941         Read_relocs task.
2942         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2943         Allocate_commons_task first.
2944         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2945         task, rather than symtab_lock_.
2946         (Gc_process_relocs::~Gc_process_relocs): New function.
2947         (Gc_process_relocs::is_runnable): Check this_blocker_.
2948         (Gc_process_relocs::locks): Use next_blocker_ rather than
2949         blocker_.
2950         (Scan_relocs::~Scan_relocs): New function.
2951         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2952         symtab_lock_.
2953         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2954         next_blocker_.
2955         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2956         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2957         constructor accordingly.
2958         (class Gc_process_relocs): Likewise.
2959         (class Scan_relocs): Likewise.
2960         * common.h (class Allocate_commons_task): Remove symtab_lock_
2961         field, and corresponding constructor parameter.
2962         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2963         symtab_lock_.
2964         (Allocate_commons_task::locks): Likewise.
2966 2010-02-11  Ian Lance Taylor  <iant@google.com>
2968         * gold-threads.h (class Once): Define.
2969         (class Initialize_lock): Rewrite as child of Once.
2970         * gold-threads.cc (class Once_initialize): Define.
2971         (once_pointer_control): New static variable.
2972         (once_pointer, once_arg): New static variables.
2973         (c_run_once): New static function.
2974         (Once::Once, Once::run_once, Once::internal_run): New functions.
2975         (class Initialize_lock_once): Remove.
2976         (initialize_lock_control): Remove.
2977         (initialize_lock_pointer): Remove.
2978         (initialize_lock_once): Remove.
2979         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2980         (Initialize_lock::initialize): Rewrite.
2981         (Initialize_lock::do_run_once): New function.
2982         * archive.cc (Archive::interpret_header): Only clear name if it is
2983         not already empty.
2984         * fileread.cc: Include "gold-threads.h"
2985         (file_counts_lock): New static variable.
2986         (file_counts_initialize_lock): Likewise.
2987         (File_read::release): Only increment counts when using --stats.
2988         Use a lock around the increment.
2989         * parameters.cc (class Set_parameters_target_once): Define.
2990         (set_parameters_target_once): New static variable.
2991         (Parameters::Parameters): Move here from parameters.h.
2992         (Parameters::set_target): Rewrite.
2993         (Parameters::set_target_once): New function.
2994         (Parameters::clear_target): Move here and rewrite.
2995         * parameters.h (class Parameters): Update declarations.  Add
2996         set_parameters_target_once_ field.
2997         (Parameters::Parameters): Move to parameters.cc.
2998         (Parameters::clear_target): Likewise.
2999         * readsyms.cc (Read_symbols::do_group): Create a Start_group
3000         task.
3001         (Start_group::~Start_group): New function.
3002         (Start_group::is_runnable): New function.
3003         (Start_group::locks, Start_group::run): New functions.
3004         (Finish_group::run): Change saw_undefined to size_t.
3005         * readsyms.h (class Start_group): Define.
3006         (class Finish_group): Change saw_undefined_ field to size_t.
3007         (Finish_group::Finish_group): Remove saw_undefined and
3008         this_blocker parameters.  Change all callers.
3009         (Finish_group::set_saw_undefined): New function.
3010         (Finish_group::set_blocker): New function.
3011         * symtab.h (class Symbol_table): Change saw_undefined to return
3012         size_t.  Change saw_undefined_ field to size_t.
3013         * target-select.cc (Set_target_once::do_run_once): New function.
3014         (Target_selector::Target_selector): Initialize set_target_once_
3015         field.  Don't initialize lock_ and initialize_lock_ fields.
3016         (Target_selector::instantiate_target): Rewrite.
3017         (Target_selector::set_target): New function.
3018         * target-select.h (class Set_target_once): Define.
3019         (class Target_selector): Update declarations.  Make
3020         Set_target_once a friend.  Remove lock_ and initialize_lock_
3021         fields.  Add set_target_once_ field.
3023 2010-02-10  Ian Lance Taylor  <iant@google.com>
3025         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
3026         queueing any tasks.
3027         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
3028         (queue_middle_tasks): Add all blockers before queueing any tasks.
3029         (queue_final_tasks): Likewise.
3030         * token.h (Task_token::add_blockers): New function.
3031         * object.h (Input_objects::number_of_relobjs): New function.
3033 2010-02-10  Ian Lance Taylor  <iant@google.com>
3035         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
3036         shared, not if not position independent.
3037         * x86_64.cc (Relocate::relocate_tls): Likewise.
3038         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
3039         (tls_pie_pic_test): New target.
3040         * testsuite/Makefile.in: Rebuild.
3042         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
3043         (tls_test_main_pie.o, tls_test_pie.o): New targets.
3044         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
3045         * testsuite/Makefile.in: Rebuild.
3047 2010-02-09  David S. Miller  <davem@davemloft.net>
3049         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
3050         R_SPARC_RELATIVE using ->add_local_relative().
3051         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
3053         * output.h (Output_data_dynamic::add_section_size): New method
3054         that takes two Output_data objects.
3055         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
3056         entry param.  Handle it in initializers.
3057         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
3058         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
3059         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
3060         arg.
3061         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
3062         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
3063         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
3064         for dynrel_includes_plt.
3065         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3066         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3067         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
3068         before .rela.plt
3069         (Target_sparc::do_finalize_sections): Update to pass true for
3070         dynrel_includes_plt.
3071         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
3072         output before .rela.plt
3073         (Target_powerpc::do_finalize_sections): Update to pass true for
3074         dynrel_includes_plt when 32-bit.
3076 2010-02-08  Doug Kwan  <dougkwan@google.com>
3078         * arm.cc (Arm_relobj::simple_input_section_output_address): New
3079         method.
3080         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
3081         Arm_relobj::scan_section_for_cortex_a8_stubs,
3082         Arm_relobj::do_relocation_section): Instead of calling
3083         Output_section::output_address, use faster
3084         Arm_relobj::simple_input_section_output_address.
3086 2010-02-08  David S. Miller  <davem@davemloft.net>
3088         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
3089         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
3090         relocation helper function.
3092         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
3093         just like R_SPARC_GOT{10,13,22}.
3094         (Target_sparc::Scan::local): Likewise.
3095         (Target_sparc::Relocate:relocate): Likewise.
3097 2010-02-06  Ian Lance Taylor  <iant@google.com>
3099         * configure.ac: Rewrite targetobjs duplicate removal code to use
3100         only shell constructs.
3101         * configure: Rebuild.
3103 2010-02-05  Doug Kwan  <dougkwan@google.com>
3105         PR 11247
3106         * arm.cc (Arm_relobj::section_is_scannable): New method.
3107         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
3108         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
3110 2010-02-04  Doug Kwan  <dougkwan@google.com>
3112         PR 11247
3113         * arm-reloc-property.cc (cstdio): Include.
3114         * configure.ac (targetobjs): Remove duplicates.
3115         * configure: Regenerate.
3116         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
3117         big and little endian version for a given address size.
3119 2010-02-03  Doug Kwan  <dougkwan@google.com>
3121         * arm-reloc-property.cc
3122         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3123         definition.
3124         * arm-reloc-property.h
3125         (Arm_reloc_property_table::get_implemented_static_reloc_property):
3126         New method definition.
3127         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3128         declaration.
3129         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
3130         overflow to N.
3131         (GOT_PREL): Change implemented to Y.
3132         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
3133         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
3134         (Arm_relocate_functions::movw_abs_nc): Remove method.
3135         (Arm_relocate_functions::movt_abs): Ditto.
3136         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
3137         (Arm_relocate_functions::thm_movt_abs): Ditto.
3138         (Arm_relocate_functions::movw_rel_nc): Ditto.
3139         (Arm_relocate_functions::movw_rel): Ditto.
3140         (Arm_relocate_functions::movt_rel): Ditto.
3141         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
3142         (Arm_relocate_functions:thm_movw_rel): Ditto.
3143         (Arm_relocate_functions:thm_movt_rel): Ditto.
3144         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
3145         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
3146         New method definitions.
3147         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
3148         (Arm_relocation_functions::arm_grp_ldr): Ditto.
3149         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
3150         (Arm_relocation_functions::arm_grp_ldc): Ditto.
3151         (Target_arm::Relocate::relocate): Check for non-static or
3152         unimplemented relocation code and exit early.  Change calls to
3153         Target_arm::reloc_uses_thumb_bit and
3154         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
3155         instead.  Refactor code to handle similar relocations to increase
3156         code sharing.  Remove check for unsupported relocation code in switch
3157         statement.
3158         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
3159         relocation property table to find out size.  Change error message to
3160         print out the name of a relocation code instead of the numeric value.
3161         (Target_arm::scan_reloc_for_stub): Use relocation property table
3162         instead of calling Target_arm::reloc_uses_thumb_bit().
3164 2010-02-02  Doug Kwan  <dougkwan@google.com>
3166         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
3167         types of relaxed input section.
3169 2010-02-02  Doug Kwan  <dougkwan@google.com>
3171         * Makefile.am (HFILES): Add arm-reloc-property.h.
3172         (DEFFILES): New.
3173         (TARGETSOURCES): Add arm-reloc-property.cc
3174         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
3175         (libgold_a_SOURCES): $(DEFFILES)
3176         * Makefile.in: Regenerate.
3177         * arm-reloc-property.cc: New file.
3178         * arm-reloc-property.h: New file.
3179         * arm-reloc.def: New file.
3180         * arm.cc: Update comments.
3181         (arm-reloc-property.h): New included header.
3182         (arm_reloc_property_table): New global variable.
3183         (Target_arm::do_select_as_default_target): New method definition.
3184         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
3185         arm-reloc-property to targ_extra_obj.
3186         * parameters.cc (set_parameters_target): Call
3187         Target::select_as_default_target().
3188         * target.h (Target::select_as_default_target): New method definition.
3189         (Target::do_select_as_default_target): Same.
3191 2010-02-01  Doug Kwan  <dougkwan@google.com>
3193         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
3194         first_output_text_section_.
3195         (Arm_exidx_fixup::first_output_text_section): New method definition.
3196         (Arm_exidx_fixup::first_output_text_section_): New data member.
3197         (Arm_exidx_fixup::process_exidx_section): Record the first text
3198         output section seen.
3199         (Arm_output_section::fix_exidx_coverage): Set correct linked section
3200         and entsize in output section header.
3202 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3204         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
3205         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
3206         (Arm_relocate_functions::thm_alu11): New Method.
3207         (Arm_relocate_functions::thm_pc8): New Method.
3208         (Arm_relocate_functions::thm_pc12): New Method.
3209         (Target_arm::Scan::local): Handle the relocations.
3210         (Target_arm::Scan::global): Likewise.
3211         (Target_arm::Relocate::relocate): Likewise.
3212         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3214 2010-01-29  Doug Kwan  <dougkwan@google.com>
3216         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
3217         of relocation types as ld.
3219 2010-01-29  Doug Kwan  <dougkwan@google.com>
3221         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
3222         to public.
3223         (Arm_relocate_functions::thumb_branch_common): Ditto.
3224         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
3225         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
3226         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
3227         Arm_relocate_functions::jump24): Remove.
3228         (Target_arm::Relocate::relocate): Adjust code to call
3229         Arm_relocation_functions::arm_branch_common and
3230         Arm_relocation_functions::thumb_branch_common instead of their removed
3231         wrappers.  Merge switch-cases together to reduce source code size.
3233 2010-01-29  Doug Kwan  <dougkwan@google.com>
3235         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
3236         output_local_symbol_count_needs_update_.
3237         (Arm_relobj::output_local_symbol_count_needs_update,
3238          Arm_relobj::set_output_local_symbol_count_needs_update,
3239          Arm_relobj::update_output_local_symbol_count): New methods.
3240         (Arm_relobj::output_local_symbol_count_needs_update_): New data
3241         member.
3242         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
3243         of pointed function as in a R_ARM_PREL31 relocation.
3244         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
3245         for output local symbol count updating.
3246         (Target_arm::do_relax): Update output local symbol counts in objects
3247         if necessary.
3248         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
3250 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3252         * arm.cc: Added support for the ARM relocations:
3253         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
3254         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
3255         (Arm_relocate_functions::movw_rel_nc): Renamed (was
3256         movw_prel_nc).
3257         (Arm_relocate_functions::movw_rel): New method.
3258         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
3259         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
3260         thm_movw_prel_nc).
3261         (Arm_relocate_functions::thm_movw_rel): New method.
3262         (Arm_relocate_functions::thm_movt_rel): Renamed (was
3263         thm_movt_prel).
3264         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
3265         relocations.
3266         (Target_arm::Scan::global): Likewise.
3267         (Target_arm::Relocate::relocate): Likewise.
3268         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3269         Likewise.
3271 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3273         * arm.cc: Added support for ARM group relocations.
3274         (Target_arm::reloc_needs_sym_origin): New method.
3275         (Arm_relocate_functions::calc_grp_kn): New method.
3276         (Arm_relocate_functions::calc_grp_residual): New method.
3277         (Arm_relocate_functions::calc_grp_gn): New method.
3278         (Arm_relocate_functions::arm_grp_alu): New Method.
3279         (Arm_relocate_functions::arm_grp_ldr): New Method.
3280         (Arm_relocate_functions::arm_grp_ldrs): New Method.
3281         (Arm_relocate_functions::arm_grp_ldc): New Method.
3282         (Target_arm::Scan::local): Handle the ARM group relocations.
3283         (Target_arm::Scan::global): Likewise.
3284         (Target_arm::Relocate::relocate): Likewise.
3285         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3286         Likewise.
3288 2010-01-26  Doug Kwan  <dougkwan@google.com>
3290         * arm.cc (set): Include.
3291         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3292         pointer type.
3293         (Arm_output_section::Text_section_list): New type.
3294         (Arm_output_section::append_text_sections_to_list): New method.
3295         (Arm_output_section::fix_exidx_coverage): Ditto.
3296         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3297         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3298         Relobj::set_section_offset() instead of
3299         Sized_relobj::invalidate_section_offset().
3300         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3301         parameter for section headers. Ignore relocation sections for
3302         unallocated sections and EXIDX sections.
3303         (Target_arm::fix_exidx_coverage): New method.
3304         (Target_arm::output_section_address_less_than): New type.
3305         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3306         linked text section instead of the EXIDX section.
3307         (Arm_output_section::create_stub_group): Add an assertion to check
3308         that this is not an EXIDX output section.
3309         (Arm_output_section::append_text_sections_to_list): New method.
3310         (Arm_output_section::fix_exidx_coverage): Ditto.
3311         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3312         Arm_relobj::section_needs_reloc_stub_scanning.
3313         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3314         first pass.
3315         (Target_arm::fix_exidx_coverage): New method.
3316         * object.h (Relobj::set_output_section): New method.
3317         (Sized_relobj::invalidate_section_offset): Remove method.
3318         (Sized_relobj::do_invalidate_section_offset): Remove method.
3319         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3321 2010-01-25  Doug Kwan  <dougkwan@google.com>
3323         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3324         Fix warning due to signed and unsigned comparison on a 32-bit host.
3326 2010-01-22  Doug Kwan  <dougkwan@google.com>
3328         * arm.cc (Target_arm::do_relax): Record an output section for section
3329         offset adjustment it contains any stub table that has changed.
3330         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3331         offsets in an output section if necessary.
3332         * output.cc (Output_section::Output_section): Initialize
3333         section_offsets_need_adjustments_.
3334         (Output_section::add_input_section_for_script): Renamed to
3335         Output_section::add_simple_input_section.
3336         (Output_section::save_states): Add a comment.
3337         (Output_section::discard_states): New method defintion.
3338         (Output_section::adjust_section_offsets): Same.
3339         * output.h (Output_section::add_input_section_for_script): Renamed to
3340         Output_section::add_simple_input_section.
3341         (Output_section::discard_states): New method declaration.
3342         (Output_section::adjust_section_offsets): Same.
3343         (Output_section::section_offsets_need_adjustment,
3344         Output_section::set_section_offsets_need_adjustment): New method
3345         definitions.
3346         (Output_section::section_offsets_need_adjustment_): New data member.
3347         * script-sections.cc
3348         (Output_section_element_input::set_section_address): Adjust code for
3349         renaming of Output_section::add_input_section_for_script.
3350         (Orphan_output_section::set_section_address): Same.
3352 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3354         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3355         Fix_v4bx enum values .
3356         * gold/options.h (General_options): New option definitions.
3357         (General_options::fix_v4bx): New method.
3358         (General_options::Fix_v4bx): New enum.
3359         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3360         (General_options::parse_fix_v4bx_interworking): New method.
3362 2010-01-22  Doug Kwan  <dougkwan@google.com>
3364         * arm.cc (Arm_exidx_fixup): New class.
3366 2010-01-21  Doug Kwan  <dougkwan@google.com>
3368         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3369         classes.
3370         (Arm_exidx_section_offset_map): New type.
3372 2010-01-21  Doug Kwan  <dougkwan@google.com>
3374         * arm.cc (Arm_exidx_input_section): New class.
3375         (Arm_relobj::exidx_input_section_by_link,
3376         Arm_relobj::exidx_input_section_by_shndx,
3377         Arm_relobj::make_exidx_input_section): New methods.
3378         (read_arm_attributes_section): Remove.
3379         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3380         information about them.
3381         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
3382         to here.
3384 2010-01-20  Doug Kwan  <dougkwan@google.com>
3386         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
3387         Input_section_specifier to Section_id.
3388         (Target_arm::new_arm_input_section: Adjust code for change of key
3389         type.
3390         (Target_arm::find_arm_input_section): Ditto.
3391         * gc.h (object.h): Include for Section_id nand Section_id_hash.
3392         (Section_id): Remove.
3393         (Garbage_collection::Section_id_hash): Remove.
3394         * icf.h (object.h): Include for Section_id nand Section_id_hash.
3395         (Section_id): Remove.
3396         (Icf::Section_id_hash): Remove.
3397         * object.h (Section_id, Const_section_id, Section_id_hash,
3398         Const_section_id_hash): New type definitions.
3399         * output.cc (Output_section::add_relaxed_input_section): Change to
3400         use Const_section_id instead of Input_section_specifier as key type.
3401         (Output_section::add_merge_input_section): Ditto.
3402         (Output_section::build_relaxation_map): Change to use Section_id
3403         instead of Input_section_specifier as key type.
3404         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3405         Ditto.
3406         (Output_section::convert_input_sections_to_relaxed_sections): Change
3407         to use Const_section_id instead of Input_section_specifier as key type.
3408         (Output_section::find_merge_section): Ditto.
3409         (Output_section::find_relaxed_input_section): Ditto.
3410         * output.h (Input_section_specifier): Remove class.
3411         (Output_section::Output_section_data_by_input_section_map): Change
3412         key type to Const_section_id.
3413         (Output_section::Output_relaxed_input_section_by_input_section_map):
3414         Ditto.
3415         (Output_section::Relaxation_map): Change key type to Section_id.
3417 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3419         * gold/arm.cc: Added support for R_ARM_V4BX relocation
3420         (class Arm_v4bx_stub): New class.
3421         (DEF_STUBS): Updated definition to support v4_veneer_bx.
3422         (Stub_factory::make_arm_v4bx_stub): New method.
3423         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
3424         (Stub_table::empty): Handle v4bx stubs.
3425         (Stub_table::add_arm_v4bx_stub): New method.
3426         (Stub_table::find_arm_v4bx_stub): New method.
3427         (Arm_relocate_functions::v4bx): New method.
3428         (Target_arm::fix_v4bx): New method.
3429         (Target_arm::Target_arm): Handle R_ARM_V4BX.
3430         (Stub_table::relocate_stubs): Likewise.
3431         (Stub_table::do_write): Likewise.
3432         (Stub_table::update_data_size_and_addralign): Likewise.
3433         (Stub_table::finalize_stubs):  Likewise.
3434         (Target_arm::Scan::local): Likewise.
3435         (Target_arm::Scan::global): Likewise.
3436         (Target_arm::do_finalize_sections): Likewise.
3437         (Target_arm::Relocate::relocate): Likewise.
3438         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3439         Likewise.
3440         (Target_arm::scan_reloc_for_stub): Likewise.
3441         (Target_arm::scan_reloc_section_for_stubs): Likewise.
3443 2010-01-19  Ian Lance Taylor  <iant@google.com>
3445         * output.cc (Output_section_headers::do_sized_write): Write large
3446         segment count to sh_info field.
3447         (Output_file_header::do_sized_write): For large segment count,
3448         write PN_XNUM to e_phnum field.
3450 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3452         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
3453         (Arm_relocate_functions::thm_jump8): New function.
3454         (Arm_relocate_functions::thm_jump11): New function.
3455         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
3456         R_ARM_THM_JUMP11.
3457         (Target_arm::Scan::global): Likewise.
3458         (Target_arm::Relocate::relocate): Likewise.
3459         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3460         Likewise.
3462 2010-01-14  Doug Kwan  <dougkwan@google.com>
3464         * arm.cc (map, utility): Include headers.
3465         (Target_arm::apply_cortex_a8_workaround): New method.
3466         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
3467         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
3468         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
3469         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
3470         the --[no-]fix-cortex-a8 command line options.
3471         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
3472         (Target_arm::relocate_stub): Use addend in instruction template.
3473         * options.h (DEFINE_bool): Set the user-set flag.
3474         (General_options): Add --[no-]-fix-cortex options.
3475         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
3476         : Update fast look-up map after conversion.
3478 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
3480         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
3481         in the first pass of do_layout.
3483 2010-01-13  Doug Kwan  <dougkwan@google.com>
3485         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3486         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
3487         apparent compiler problem of not folding static constant integral
3488         data members of elfcpp::Elf_sizes<32>.
3490 2010-01-13  Doug Kwan  <dougkwan@google.com>
3492         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3493         Arm_relobj::section_needs_cortex_a8_stub_scanning,
3494         Arm_relobj::scan_section_for_cortex_a8_erratum,
3495         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
3496         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
3497         sections to scan for relocation stubs into a new method
3498         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
3499         relocation and Cortex-A8 stub scanning.
3500         (Target_arm::do_relax): Force stubs to be after stubbed sections
3501         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
3502         the beginning of a new relaxation pass.  Update a comment.
3503         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
3505 2010-01-12  Ian Lance Taylor  <iant@google.com>
3507         * target-reloc.h (visibility_error): New inline function.
3508         (relocate_section): Call visibility_error.
3509         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
3510         (MOSTLYCLEANFILES): Likewise.
3511         (protected_4_pic.o, protected_3.err): New targets.
3512         * testsuite/protected_4.cc: New file.
3514 2010-01-12  Doug Kwan  <dougkwan@google.com>
3516         * arm.cc (Cortex_a8_reloc): New class.
3517         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
3518         and cortex_a8_relocs_info_.
3519         (Target_arm::fix_cortex_a8): New method definition.
3520         (Target_arm::Cortex_a8_relocs_info): New type.
3521         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
3522         New data member declarations.
3523         (Target_arm::scan_reloc_for_stub): Record information about
3524         relocations for THUMB branches that might be exempted from the
3525         Cortex-A8 workaround.
3526         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
3527         at the beginning of a relaxation pass.
3529 2010-01-12  Doug Kwan  <dougkwan@google.com>
3531         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
3532         (Arm_relobj::Mapping_symbol_position,
3533          Arm_reloj::Mapping_symbol_position_less,
3534          Arm_relobj::Mapping_symbols_info): New types.
3535         (Target_arm::is_mapping_symbol_name): New method definition.
3536         (Arm_relobj::do_count_local_symbols): Save information about mapping
3537         symbols.
3539 2010-01-11  Doug Kwan  <dougkwan@google.com>
3541         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
3542         Arm_relocate_functions::thumb32_branch_upper,
3543         Arm_relocate_functions::thumb32_branch_lower,
3544         Arm_relocate_functions::thumb32_cond_branch_offset,
3545         Arm_relocate_functions::thumb32_cond_branch_upper,
3546         Arm_relocate_functions::thumb32_cond_branch_lower,
3547         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
3548         branch offset encoding.
3549         (Arm_relocate_functions::thumb_branch_common): Use new branch
3550         offset encoding methods to avoid code duplication.
3551         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3552         (Stub_addend_reader::operator()): Use new branch encoding method
3553         to avoid code duplication.
3555 2010-01-11  Doug Kwan  <dougkwan@google.com>
3557         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3558         (Target_arm::do_finalize_sections): Define special EXIDX section
3559         symbols only if referenced.
3560         * gc.h (Garbage_collection::add_reference): New method.
3561         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3562         code duplication.
3564 2010-01-11  Ian Lance Taylor  <iant@google.com>
3566         * script.cc (Version_script_info::build_expression_list_lookup):
3567         Change complaing about duplicate wildcard match from error to
3568         warning.
3570         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3571         of 2009-12-30.
3572         (Version_script_info::Version_script_info): Initialize globs_,
3573         default_version_, default_is_global_, and exact_.  Don't
3574         initialize globals_ or locals_.
3575         (Version_script_info::build_lookup_tables): Build local symbols
3576         first.
3577         (Version_script_info::unquote): New function.
3578         (Version_script_info::add_exact_match): New function.
3579         (Version_script_info::build_expression_list_lookup): Remove lookup
3580         parameter.  Add is_global parameter.  Change all callers.  Handle
3581         wildcard pattern specially.  Unquote pattern.  Call
3582         add_exact_match.
3583         (Version_script_info::get_name_to_match): New function.
3584         (Version_script_info::get_symbol_version): New function.
3585         (Version_script_info::get_symbol_version_helper): Remove.
3586         (Version_script_info::check_unmatched_names): Call unquote.
3587         * script.h (class Version_script_info): Change get_symbol_version
3588         to be non-inline and add is_global parameter; change all callers.
3589         Rewrite symbol_is_local.  Update declarations.  Define struct
3590         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3591         Remove globals_ and locals_ members.  Add exact_, globs_,
3592         default_version_, is_global_.
3593         (Version_script_info::Glob): Remove pattern, add expression and
3594         is_global.  Update constructor.  Change all callers.
3595         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3596         default version.
3597         (Versions::symbol_section_contents): If a symbol is undefined, or
3598         defined in a dynamic object, set the version index to
3599         VER_NDX_LOCAL.
3600         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3601         symbol_is_local.
3602         (Symbol_table::add_from_pluginobj): Likewise.
3603         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3605 2010-01-11  Doug Kwan  <dougkwan@google.com>
3607         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3608         (incremental_dump_LDADD): Add linking option for libintl.
3609         * Makefile.in: Regenerate.
3611 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3613         PR gold/11144
3614         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3615         instead of -Ds.
3616         * testsuite/Makefile.in: Regenerated.
3618 2010-01-10  Doug Kwan  <dougkwan@google.com>
3620         * options.h (DEFINE_var): Use parentheses around argument varname__
3621         in macro body to avoid any unintended subsequent substitutions.
3623 2010-01-10  Ian Lance Taylor  <iant@google.com>
3625         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3626         candidates before doing symbol resolution.
3628         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3629         ODR candidates if only one is weak.
3631 2010-01-08  Ian Lance Taylor  <iant@google.com>
3633         * script.cc (Version_script_info::build_expression_list_lookup):
3634         Don't warn about ambiguous version, just record the ambiguity.
3635         (Version_script_info::get_symbol_version_helper): Give error if
3636         version is ambiguous.
3638 2010-01-08  Doug Kwan  <dougkwan@google.com>
3640         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3641           prev_data_size_ and prev_addralign_.  Remove initializer for
3642           deleted data member has_been_changed_.
3643           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3644           to determine if the table is empty.
3645           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3646           Remove.
3647           (Stub_table::add_reloc_stub): Define method in class definition
3648           instead of just declaring it there.
3649           (Stub_table::add_cortex_a8_stub): New method definition.
3650           (Stub_table::update_data_size_and_addralign): Ditto.
3651           (Stub_table::finalize_stubs): Ditto.
3652           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3653           (Stub_table::do_addralign_): Return address alignment in the
3654           (Stub_table::do_reset_address_and_file_offset): Define method in
3655           class definition instead of declaring it there.  Set current data
3656           size to be the data size of the previous pass.
3657           (Stub_table::set_final_data_size): Use current data size as the
3658           final data size.
3659           (Stub_table::relocate_stub): Change parameter type of stub from
3660           Reloc_stub pointer to Stub pointer.
3661           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3662           (Stub_table::Cortex_a8_stub_list): New typedef.
3663           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3664            Stub_table::prev_addralign_): New data member.
3665           (Arm_relobj::Arm_relobj): Initialize data member
3666           section_has_cortex_a8_workaround_.
3667           (Arm_relobj::section_has_cortex_a8_workaround,
3668            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3669            definitions.
3670           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3671           declarations.
3672           (Target_arm::relocate_stub): Change parameter type of stub from
3673           Reloc_stub pointer to Stub pointer.
3674           (Insn_template::size, Insn_template::alignment): Handle
3675           THUMB16_SPECIAL_TYPE.
3676           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3677            Stub_table::update_data_size_and_addralign,
3678            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3679           definitions.
3680           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3681           (Stub_table::do_write): Ditto.
3682           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3684 2010-01-08  Ian Lance Taylor  <iant@google.com>
3686         PR 11108
3687         * symtab.h (class Symbol): Remove fields is_target_special_ and
3688         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3689         (Symbol::is_defined_in_discarded_section): New function.
3690         (Symbol::set_is_defined_in_discarded_section): New function.
3691         (Symbol::has_plt_offset): Rewrite.
3692         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3693         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3694         Don't initialize is_target_special_ or has_plt_offset_.
3695         Initialize is_defined_in_discarded_section_.
3696         (Symbol_table::add_from_relobj): If appropriate, set
3697         is_defined_in_discarded_section.
3698         * resolve.cc (Symbol::override_base_with_special): Don't test
3699         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3700         * target-reloc.h (relocate_section): Do special handling for
3701         symbols defined in discarded sections for global symbols as well
3702         as local symbols.
3704 2010-01-08  Ian Lance Taylor  <iant@google.com>
3706         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3707         the SHT_SYMTAB case.
3709 2010-01-08  Ian Lance Taylor  <iant@google.com>
3711         * object.cc (Sized_relobj::do_layout): Don't get confused if
3712         layout_eh_frame returns NULL.
3714 2010-01-08  Ian Lance Taylor  <iant@google.com>
3716         PR 11084
3717         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3718         dynamic symbol table, use the normal symbol table.
3719         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3720         symbol table.
3722 2010-01-08  Ian Lance Taylor  <iant@google.com>
3724         PR 11072
3725         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3726         sections.
3728 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3730         * version.cc (print_version): Change to "Copyright 2010".
3732 2010-01-08  Ian Lance Taylor  <iant@google.com>
3734         PR 10287
3735         PR 11063
3736         * i386.cc (class Target_i386): Change return type of plt_section
3737         to be non-const.
3738         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3739         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3740         tls_desc_rel_ field.
3741         (Output_data_plt_i386::rel_tls_desc): New function.
3742         (Target_i386::rel_tls_desc_section): New function.
3743         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3744         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3745         R_386_TLS_DESC reloc in rel_tls_desc_section.
3746         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3747         Define struct Tlsdesc_info.
3748         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3749         (Target_x86_64::do_reloc_symbol_index): New function.
3750         (Target_x86_64::add_tlsdesc_info): New function.
3751         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3752         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3753         tlsdesc_rel_ field.
3754         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3755         all callers.
3756         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3757         (Target_x86_64::rela_tlsdesc_section): New function.
3758         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3759         handling.
3760         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3761         (Target_x86_64::do_reloc_addend): New function.
3762         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3763         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3764         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3765         (Output_reloc::type): New function.
3766         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3767         (Output_reloc::is_target_specific): New function.
3768         (Output_reloc::target_arg): New function.
3769         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3770         absolute relocs and target specific relocs.
3771         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3772         add_target_specific.
3773         (class Output_data_reloc) [SHT_RELA]: Likewise.
3774         * output.cc (Output_reloc::Output_reloc): Add four new versions
3775         for absolute relocs and target specific relocs.
3776         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3777         (Output_reloc::get_symbol_index): Likewise.
3778         (Output_reloc::local_section_offset): Check that local_sym_index_
3779         is not TARGET_CODE or 0.
3780         (Output_reloc::symbol_value): Likewise.
3781         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3782         reloc.
3783         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3784         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3785         functions.
3786         * layout.cc (add_target_dynamic_tags): Use output section for
3787         DT_PLTRELSZ and DT_JMPREL.
3789 2010-01-07  Ian Lance Taylor  <iant@google.com>
3791         PR 11061
3792         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3793         function.
3794         (class Output_data_reloc_generic): Define.
3795         (class Output_data_reloc_base): Change base class to
3796         Output_data_reloc_generic.  Change add() method to call
3797         bump_relative_reloc_count for a relative reloc.  Remove
3798         sort_relocs_ field.
3799         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3800         to sort_relocs().
3801         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3802         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3803         appropriate.
3804         * layout.h (class Layout): Update declaration.
3806 2010-01-07  Ian Lance Taylor  <iant@google.com>
3808         * output.h (class Output_data): Add const version of
3809         output_section and do_output_section.
3810         (class Output_section_data): Add const version of
3811         do_output_section.
3812         (class Output_section): Likewise.
3813         * layout.cc (Layout::add_target_dynamic_tags): New function.
3814         * layout.h (class Layout): Update declarations.
3815         * arm.cc (Target_arm::do_finalize_sections): Use
3816         add_target_dynamic_tags.
3817         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3818         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3819         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3820         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3822 2010-01-07  Ian Lance Taylor  <iant@google.com>
3824         PR 11042
3825         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3826         object as needed.
3828 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3829             Ian Lance Taylor  <iant@google.com>
3831         PR 11019
3832         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3833         Xindex::read_symtab_xindex.
3835 2010-01-07  Doug Kwan  <dougkwan@google.com>
3837         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3838         (Insn_template::thumb16_bcond_insn): New method declaration.
3839         (Insn_template): Fix spelling.
3840         (Stub::thumb16_special): New method declaration.
3841         (Stub::do_write): Define virtual method which was previously pure
3842         virtual.
3843         (Stub::do_thumb16_special): New method declaration.
3844         (Stub::do_fixed_endian_write): New template member.
3845         (Reloc_stub::do_write): Remove.
3846         (Reloc_stub::do_fixed_endian_write): Remove.
3847         (Cortex_a8_stub): New class definition.
3848         (Stub_factory::make_cortex_a8_stub): New method definition.
3849         (Stub_factory::Stub_factory): Add missing static storage class
3850         qualifier for elf32_arm_stub_a8_veneer_blx.
3852 2010-01-07  Ian Lance Taylor  <iant@google.com>
3854         PR 10980
3855         * options.h (class General_options): Add --warn-unresolved-symbols
3856         and --error-unresolved-symbols.
3857         * errors.cc (Errors::undefined_symbol): Implement
3858         --warn-unresolved-symbols.
3860         * options.h (class General_options): Add -z text and -z textoff.
3861         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3863 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3865         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3866         (Garbage_collection::cident_sections): New function.
3867         (Garbage_collection::add_cident_section): New function.
3868         (Garbage_collection::cident_sections_): New member.
3869         (gc_process_relocs): Add references to sections whose names are C
3870         identifiers.
3871         * gold.h (cident_section_start_prefix): New constant.
3872         (cident_section_stop_prefix): New constant.
3873         (is_cident): New function.
3874         * layout.cc (Layout::define_section_symbols): Replace string constants
3875         with the newly defined constants.
3876         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3877         C identifiers.
3878         * testsuite/Makefile.am: Add gc_orphan_section_test.
3879         * testsuite/Makefile.in: Regenerate.
3880         * testsuite/gc_orphan_section_test.cc: New file.
3881         * testsuite/gc_orphan_section_test.sh: New file.
3883 2010-01-06  Ian Lance Taylor  <iant@google.com>
3885         PR 10980
3886         * options.h (class General_options): Add --warn-shared-textrel.
3887         * layout.cc (Layout::finish_dynamic_section): Implement
3888         --warn-shared-textrel.
3890         PR 10980
3891         * options.h (class General_options): Add --warn-multiple-gp.
3893 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3895         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3896         $(THREADSLIB) and $(LIBDL).
3897         * Makefile.in: Rebuild.
3899 2010-01-06  Ian Lance Taylor  <iant@google.com>
3901         PR 10980
3902         * options.cc (General_options::parse_section_start): New function.
3903         (General_options::section_start): New function.
3904         (General_options::General_options): Initialize all members.
3905         * options.h: Include <map>
3906         (class General_options): Add --section-start.  Add section_starts_
3907         member.
3908         * layout.cc (Layout::attach_allocated_section_to_segment): If
3909         --section-start was used, set the address of the segment.  Remove
3910         local sort_sections.
3911         (Layout::relaxation_loop_body): If the address of the load segment
3912         has been set by --section-start, don't use it.
3913         * output.h (Output_segment::update_flags_for_output_section): New
3914         function.
3915         * output.cc (Output_segment::add_output_section): Call
3916         update_flags_for_output_section.
3918 2010-01-05  Ian Lance Taylor  <iant@google.com>
3920         PR 10980
3921         * options.h (class General_options): Add --undefined-version.
3922         * script.cc (struct Version_expression): Add was_matched_by_symbol
3923         field.
3924         (Version_script_info::matched_symbol): New function.
3925         (Version_script_info::get_symbol_version_helper): Call
3926         matched_symbol.
3927         (Version_script_info::check_unmatched_names): New function.
3928         * script.h (class Version_script_info): Update declarations.
3929         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3931         * options.h (class General_options): Use DEFINE_bool_alias for
3932         allow_multiple_definition.
3933         * resolve.cc (Symbol_table::should_override): Don't test
3934         allow_multiple_definition.
3936         PR 10980
3937         * options.h (class General_options): Add --cref.
3938         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3939         until after printing cref table.
3940         * cref.cc: Include "symtab.h".
3941         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3942         (Cref_table_compare::operator()): New function.
3943         (Cref_inputs::gather_cref): New function.
3944         (filecol): New static const.
3945         (Cref_inputs::print_cref): New function.
3946         (Cref::print_cref): New function.
3947         * cref.h: Include <cstdio>.
3948         (class Cref): Update declarations.
3949         * mapfile.h (Mapfile::file): New function.
3950         * object.h (class Object): Define Symbols.  Declare virtual
3951         do_get_global_symbols.
3952         (Object::get_global_symbols): New function.
3953         * object.cc (Input_objects::add_object): Pass object to cref_ if
3954         --cref.
3955         (Input_objects::archive_start): Likewise.
3956         (Input_objects::archive_stop): Likewise.
3957         (Input_objects::print_cref): New function.
3958         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3959         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3960         --cref.
3961         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3962         function.
3963         * plugin.h (class Sized_pluginobj): Update declarations.
3965 2010-01-05  Ian Lance Taylor  <iant@google.com>
3967         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3968         to is_default_version.  Rename insdef to insdefault.
3969         (Symbol_table::add_from_relobj): Rename def to is_default_version
3970         and local to is_forced_local.
3971         (Symbol_table::add_from_pluginobj): Likewise.
3972         (Symbol_table::add_from_dynobj): Likewise.
3973         (Symbol_table::define_special_symbol): Rename insdef to
3974         insdefault.
3976 2010-01-04  Ian Lance Taylor  <iant@google.com>
3978         PR 10980
3979         * options.h (class General_options): Add
3980         --allow-multiple-definition and -z muldefs.
3981         * resolve.cc (Symbol_table::should_override): Don't warn about a
3982         multiple symbol definition if --allow-multiple-definition or -z
3983         muldefs.
3985         PR 10980
3986         * options.h (class General_options): Add --add-needed and
3987         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3988         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3989         error if --copy-dt-needed-entries aka --add-needed is used and
3990         would cause a change in behaviour.
3992         PR 10980
3993         * options.h (class General_options): Add -G as a short version of
3994         --shared.  Add no-op options -assert, -g, and -i.
3996 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3998         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3999         check for .text or .gnu.linkonce.t sections.
4000         * icf.cc (Icf::find_identical_sections): Ditto.
4001         Change the detection for mangled function name within the section
4002         name.
4003         * icf.h (is_section_foldable_candidate): New function.
4005 2009-12-30  Ian Lance Taylor  <iant@google.com>
4007         PR 10980
4008         * options.h (class General_options): Permit two dashes with
4009         --retain-symbols-file.
4011 2009-12-30  Ian Lance Taylor  <iant@google.com>
4013         PR 10979
4014         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
4015         don't put the file header and segment headers in the text
4016         segment.
4018         PR 10979
4019         * common.cc (Sort_commons::operator()): Stabilize sort when both
4020         entries are NULL.
4021         (Symbol_table::do_allocate_commons_list): When allocating common
4022         symbols, skip a symbol which is no longer common.
4023         * symtab.h (Symbol::is_common): Test whether the symbol comes from
4024         an object before checking its type.
4025         * testsuite/common_test_2.c: New file.
4026         * testsuite/common_test_3.c: New file.
4027         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
4028         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
4029         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
4030         (common_test_2_pic.o, common_test_2.so): New targets.
4031         (common_test_3_pic.o, common_test_3.so): New targets.
4032         * testsuite/Makefile.in: Rebuild.
4034         PR 10979
4035         * script.cc (read_input_script): If we see a new SECTIONS clause,
4036         and we have added an input section, give an error.
4037         * layout.h (class Layout): Add have_added_input_section function.
4038         Add have_added_input_section_ field.
4039         * layout.cc (Layout::Layout): Initialize
4040         have_added_input_section_.
4041         (Layout::layout): Set have_added_input_section_.
4042         (Layout::layout_eh_frame): Likewise.
4044 2009-12-30  Ian Lance Taylor  <iant@google.com>
4046         PR 10931
4047         * options.h (class General_options): Add --sort-common option.
4048         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
4049         * common.cc (Sort_common): Add sort_order parameter to
4050         constructor.  Add sort_order_ field.
4051         (Sort_commons::operator): Check sort_order_.
4052         (Symbol_table::allocate_commons): Determine the sort order.
4053         (Symbol_table::do_allocate_commons): Add sort_order parameter.
4054         Change all callers.
4055         (Symbol_table::do_allocate_commons_list): Likewise.
4057 2009-12-30  Ian Lance Taylor  <iant@google.com>
4059         PR 10916
4060         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
4061         symbols from this object, don't change the visibility of an
4062         undefined symbol.
4063         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
4065 2009-12-30  Ian Lance Taylor  <iant@google.com>
4067         PR 10861
4068         * script.h (class Version_script_info): Define Language enum.
4069         Update declarations.  Define Glob, Exact, and Lookup types.  Add
4070         new fields globals_, locals_, and is_finalized_.
4071         * script.cc: Various formatting fixes.
4072         (class Parser_closure): Change language_stack_ from a vector of
4073         std::string to one of Version_script_info::Language.  Adjust all
4074         uses accordingly.
4075         (class Lazy_demangler): Remove.
4076         (struct Version_expression): Change language from std::string to
4077         Version_script_info::Language.
4078         (Version_script_info::Version_script_info): New function.
4079         (Version_script_info::~Version_script_info): Don't call clear.
4080         (Version_script_info::finalize): New function.
4081         (Version_script_info::build_lookup_tables): New function.
4082         (Version_script_info::build_expression_list_lookup): New
4083         function.
4084         (Version_script_info::get_symbol_version_helper): Rewrite to use
4085         lookup tables.
4086         (Version_script_info::print_expression_list): Adjust to use
4087         Version_script_info::Language.
4088         (script_push_lex_into_version_mode): Check that the version script
4089         has not been finalized.
4090         (version_script_push_lang): Change language string to
4091         Version_script_info::Language.
4092         * options.cc (Command_line::version_script): New function.
4093         * options.h (class General_options): Add finalize_dynamic_list
4094         function.  Change version_script from declaration to definition.
4095         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
4096         * testsuite/version_script.map: Remove duplicate def of foo.
4097         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
4098         version_script.map.
4099         * testsuite/Makefile.in: Rebuild.
4101 2009-12-30  Ian Lance Taylor  <iant@google.com>
4103         PR 10843
4104         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
4105         if the input symbol index is 0, make the output symbol index 0.
4107 2009-12-30  Ian Lance Taylor  <iant@google.com>
4109         PR 10670
4110         * options.h (class General_options): Add -x/--discard-all.
4111         * object.cc (Sized_relobj::do_count_local_symbols): Handle
4112         --discard-all.  If the local symbol needs a dynamic entry, check
4113         that before handling --discard-locals.
4115 2009-12-30  Ian Lance Taylor  <iant@google.com>
4117         PR 10450
4118         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
4119         flags to PF_R.
4120         (Output_segment::add_output_section): Don't change the flags if
4121         the type is PT_TLS.
4123         PR 10450
4124         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
4125         GNU hash table if they need a dynamic value.  Otherwise, don't add
4126         them if they are defined in a dynamic object or are forced local.
4128 2009-12-29  Ian Lance Taylor  <iant@google.com>
4130         PR 10450
4131         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
4132         .gnu.hash table for a 32-bit target.
4134         PR 10450
4135         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
4136         regular and a dynamic object only needs a dynamic symbol table
4137         entry if it is externally visible.
4139         PR 10450
4140         * i386.cc (class Target_i386): Initialize global_offset_table_ in
4141         constructor.  Add global_offset_table_ field.
4142         (Target_i386::got_section): Set global_offset_table_.
4143         (Target_i386::do_finalize_sections): Set global_offset_table_
4144         size.
4145         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
4146         in constructor.  Add global_offset_table_ field.
4147         (Target_x86_64::got_section): Set global_offset_table_.
4148         (Target_x86_64::do_finalize_sections): Set global_offset_table_
4149         size.
4151         * layout.cc (Layout::Layout): Initialize increase_relro_.
4152         (Layout::get_output_section): Add is_relro, is_last_relro, and
4153         is_first_non_relro parameters.  Change all callers.
4154         (Layout::choose_output_section): Likewise.
4155         (Layout::add_output_section_data): Likewise.
4156         (Layout::make_output_section): Likewise.
4157         (Layout::set_segment_offsets): Clear increase_relro when using a
4158         linker script.
4159         * layout.h (class Layout): Add increase_relro method.  Add
4160         increase_relro_ field.  Update declarations.
4161         * output.cc (Output_section::Output_section): Initialize
4162         is_last_relro_ and is_first_non_relro_.
4163         (Output_segment::add_output_section): Group relro sections is
4164         do_sort is true.  Handle is_last_relro and is_first_non_relro.
4165         (Output_segment::maximum_alignment): Remove relro handling.
4166         (Output_segment::set_section_addresses): Add increase_relro
4167         parameter.  Change all callers.  Add initial alignment to align
4168         relro sections on separate page.  Remove old relro handling.
4169         (Output_segment::set_section_list_addresses): Remove in_relro
4170         parameter.  Change all callers.
4171         (Output_segment::set_offset): Add increase parameter.  Change all
4172         callers.  Remove old relro handling.
4173         * output.h (class Output_section): Add new methods: is_last_relro,
4174         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
4175         Add is_last_relro_ and is_first_non_relro_ fields.
4176         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
4177         Create separate .got.plt section.  Call increase_relro.
4178         * x86_64.cc (Target_x86_64::got_section): Likewise.
4179         * testsuite/relro_script_test.t: Add .got.plt.
4181         PR 10450
4182         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
4183         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
4184         (Layout::finalize): Call set_dynamic_symbol_size.
4185         (Layout::set_dynamic_symbol_size): New function.
4186         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
4187         set_dynamic_symbol_size.
4189         PR 10450
4190         * output.h (class Output_section): Add is_entsize_zero_ field.
4191         * output.cc (Output_section::Output_section): Initialize
4192         is_entsize_zero_.
4193         (Output_section::set_entsize): If two different entsizes are
4194         requested, force it to zero.
4195         (Output_section::add_input_section): Set flags for .debug_str
4196         before updating section flags.  Set entsize.
4197         (Output_section::update_flags_for_input_section): Set SHF_MERGE
4198         and SHF_STRING if all input sections have those flags.
4200 2009-12-29   Rafael Espindola  <espindola@google.com>
4202         * main.cc (main): Fix the sys time reporting.
4203         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
4204         reporting.
4206 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
4208         * options.cc (General_options::parse_version): Allow -v to exit
4209         without an error if there is nothing to link.
4211 2009-12-29  Ian Lance Taylor  <iant@google.com>
4213         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
4214         using a version of gcc before 4.1.
4215         * configure: Rebuild.
4217 2009-12-28  Chris Demetriou  <cgd@google.com>
4219         * attributes.cc (Output_attributes_section_data::do_write): Use
4220         std::vector::front rather than std::vector::data.
4222 2009-12-28  Ian Lance Taylor  <iant@google.com>
4224         * symtab.h (class Symbol_table): Add enum Defined.
4225         * resolve.cc (Symbol_table::should_override): Add defined
4226         parameter.  Change all callers.  Test whether object is NULL
4227         before calling a method on it.
4228         (Symbol_table::report_resolve_problem): Add defined parameter.
4229         Change all callers.
4230         (Symbol_table::should_override_with_special): Likewise.
4231         * symtab.cc (Symbol_table::define_in_output_data): Add defined
4232         parameter.  Change all callers.
4233         (Symbol_table::do_define_in_output_data): Likewise.
4234         (Symbol_table::define_in_output_segment): Likewise.
4235         (Symbol_table::do_define_in_output_segment): Likewise.
4236         (Symbol_table::define_as_constant): Likewise.
4237         (Symbol_table::do_define_as_constant): Likewise.
4238         * script.h (class Symbol_assignment): Add is_defsym parameter to
4239         constructor; change all callers.
4240         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
4241         parameter.  Change all callers.  Add is_defsym_ field.
4242         (class Parser_closure): Add parsing_defsym parameter to
4243         constructor; change all callers.  Add parsing_defsym accessor
4244         function.  Add parsing_defsym_ field.
4246 2009-12-28  Ian Lance Taylor  <iant@google.com>
4248         * gold.cc (queue_middle_tasks): Fix formatting.
4249         * object.cc (Relobj::is_section_name_included): Likewise.
4251 2009-12-23  Ian Lance Taylor  <iant@google.com>
4253         * i386.cc (Target_i386::do_calls_non_split): Recognize
4254         -fsplit-stack prologue for a function with a static chain.
4255         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
4256         -fsplit-stack prologue when using %r11.
4258 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
4260         * options.cc (General_options::parse_version): Make -v continue and do
4261         the link like GNU ld does.
4263 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
4265         * Makefile.am (CCFILES): Add timer.cc.
4266         (HFILES): Add timer.h.
4267         * configure.ac: Check for sysconf and times.
4268         * main.cc: include timer.h.
4269         (main): Use Timer instead of get_run_time.
4270         * timer.cc: New.
4271         * timer.h: New.
4272         * workqueue.cc: include timer.h.
4273         (Workqueue::find_and_run_task):
4274         Report user, sys and wall time.
4275         * Makefile.in: Regenerate.
4276         * config.in: Regenerate.
4277         * configure: Regenerate.
4279 2009-12-16  Doug Kwan  <dougkwan@google.com>
4281         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
4282         sections.
4283         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
4284         relaxed input sections.
4285         * output.cc (Output_section::find_relaxed_input_section): Change
4286         return type to Output_relaxed_input_section pointer.  Adjust code
4287         for new type of relaxed_input_section_map_.
4288         * output.h (Output_section::find_relaxed_input_section): Change
4289         return type to Output_relaxed_input_section pointer.
4290         (Output_section::Output_relaxed_input_section_by_input_section_map):
4291         New type.
4292         (Output_section::relaxed_input_section_map_): Change type to
4293         Output_section::Output_relaxed_input_section_by_input_section_map.
4294         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4295         input section.
4297 2009-12-15  Ian Lance Taylor  <iant@google.com>
4299         * layout.cc (Layout::create_shstrtab): Only write out after input
4300         sections if we are compressing debug sections.
4302 2009-12-15  Ian Lance Taylor  <iant@google.com>
4304         * archive.cc (Archive::add_symbols): Only look up a symbol without
4305         a version if there is, in fact, a version.
4307 2009-12-14  Ian Lance Taylor  <iant@google.com>
4309         Revert -Wshadow changes, all changes from:
4310         2009-12-11  Doug Kwan  <dougkwan@google.com>
4311         2009-12-11  Nick Clifton  <nickc@redhat.com>
4312         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4314 2009-12-11  Doug Kwan  <dougkwan@google.com>
4316         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4317         due to -Wshadow.
4318         * attributes.cc (Object_attribute::size): Ditto.
4319         (Attributes_section_data::size): Ditto.
4320         (Attributes_section_data::Attributes_section_data): Ditto.
4321         (Output_attributes_section_data::do_write): Ditto.
4322         * attributes.h (Object_attribute::set_type): Ditto.
4323         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4325 2009-12-11  Nick Clifton  <nickc@redhat.com>
4327         * archive.cc: Fix shadowed variable warnings.
4328         * arm.cc: Likewise.
4329         * compressed_output.cc: Likewise.
4330         * compressed_output.h: Likewise.
4331         * configure: Likewise.
4332         * dwarf_reader.cc: Likewise.
4333         * dynobj.cc: Likewise.
4334         * dynobj.h: Likewise.
4335         * ehframe.cc: Likewise.
4336         * ehframe.h: Likewise.
4337         * errors.cc: Likewise.
4338         * expression.cc: Likewise.
4339         * fileread.cc: Likewise.
4340         * fileread.h: Likewise.
4341         * freebsd.h: Likewise.
4342         * i386.cc: Likewise.
4343         * icf.cc: Likewise.
4344         * incremental.h: Likewise.
4345         * layout.cc: Likewise.
4346         * layout.h: Likewise.
4347         * mapfile.cc: Likewise.
4348         * merge.cc: Likewise.
4349         * merge.h: Likewise.
4350         * object.cc: Likewise.
4351         * object.h: Likewise.
4352         * options.h: Likewise.
4353         * output.cc: Likewise.
4354         * output.h: Likewise.
4355         * parameters.cc: Likewise.
4356         * plugin.cc: Likewise.
4357         * powerpc.cc: Likewise.
4358         * reduced_debug_output.cc: Likewise.
4359         * reduced_debug_output.h: Likewise.
4360         * reloc.cc: Likewise.
4361         * reloc.h: Likewise.
4362         * resolve.cc: Likewise.
4363         * script-sections.cc: Likewise.
4364         * script.cc: Likewise.
4365         * script.h: Likewise.
4366         * sparc.cc: Likewise.
4367         * symtab.cc: Likewise.
4368         * symtab.h: Likewise.
4369         * target-select.cc: Likewise.
4370         * target-select.h: Likewise.
4371         * token.h: Likewise.
4372         * workqueue.cc: Likewise.
4373         * workqueue.h: Likewise.
4374         * x86_64.cc: Likewise.
4376 2009-12-10  Doug Kwan  <dougkwan@google.com>
4378         * arm.cc (attributes.h): New include.
4379         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4380         (Arm_relobj::~Arm_relobj): Delete object pointed by
4381         attributes_section_data_.
4382         (Arm_relobj::attributes_section_data): New method definition.
4383         (Arm_relobj::attributes_section_data_): New data member declaration.
4384         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
4385         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
4386         attributes_section_data_.
4387         (Arm_dynobj::attributes_section_data): New method definition.
4388         (Arm_dynobj::attributes_section_data_): New data member declaration.
4389         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
4390         initialization value of may_use_blx_ to false.
4391         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
4392         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
4393         object attributes to compute results instead of hard-coding.
4394         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
4395         Target_arm::get_secondary_compatible_arch,
4396         Target_arm::set_secondary_compatible_arch
4397         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4398         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
4399         New method declarations.
4400         (Target_arm::get_aeabi_object_attribute): New method definition.
4401         (Target_arm::attributes_section_data_): New data member declaration.
4402         (read_arm_attributes_section): New template definition.
4403         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
4404         (Arm_dynobj::do_read_symbols): Ditto.
4405         (Target_arm::do_finalize_sections): Merge attributes sections from
4406         input.  Check for BLX use after attributes section merging.
4407         Fix __exidx_start and __exidx_end visibility.  Create an
4408         .ARM.attributes section if necessary.
4409         (Target_arm::get_secondary_compatible_arch,
4410         Target_arm::set_secondary_compatible_arch,
4411         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4412         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
4413         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
4414         New method definitions.
4416 2009-12-09  Ian Lance Taylor  <iant@google.com>
4418         * plugin.cc (Plugin::load): Don't cast from void* to a function
4419         pointer.
4421 2009-12-09  Ian Lance Taylor  <iant@google.com>
4423         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
4424         information fields.
4426 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
4428         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
4429         Replace two_file_shared_1.so with two_file_shared_2.so.
4430         * testsuite/Makefile.in: Regenerated.
4432 2009-12-08  Doug Kwan  <dougkwan@google.com>
4434         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
4435         (HFILES): Add attributes.h and int_encoding.h.
4436         * Makefile.in: Regenerate.
4437         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
4438         function definitions to int_encoding.cc
4439         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
4440         prototypes to int_encoding.h
4441         * reduced_debug_output.cc (int_encoding.h): New include.
4442         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
4443         function definitions to int_encoding.cc
4444         (insert_into_vector, read_from_pointer): Move template definitions to
4445         int_encoding.h
4446         * attributes.cc: New file.
4447         * attributes.h: New file.
4448         * int_encoding.cc: New file.
4449         * int_encoding.h: New file.
4451 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
4453         PR gold/11055
4454         * incremental-dump.cc (dump_incremental_inputs): New.
4455         (main): Use dump_incremental_inputs.
4457 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
4459         PR gold/10893
4460         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
4461         checking elfcpp::STT_FUNC.
4462         (Target_i386::Relocate::relocate): Likewise.
4463         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4465         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
4466         symbols from shared libraries into normal FUNC symbols.
4468         * symtab.h (Symbol): Add is_func and use it.
4470 2009-12-05  Doug Kwan  <dougkwan@google.com>
4472         * arm.cc (Target_arm::arm_info): Initialize new fields
4473         attributes_section and attributes_vendor.
4474         * i386.cc (Target_i386::i386_info): Same.
4475         * object.cc (Sized_relobj::do_layout): Skip attribute section.
4476         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
4477         fields attributes_section and attributes_vendor.
4478         * sparc.cc (Target_sparc::sparc_info): Same.
4479         * target.h (Target::attributes_section, Target::attributes_vendor,
4480         Target::is_attributes_section, Target::attribute_arg_type,
4481         Target::attributes_order): New method definitions.
4482         (Target::Target_info::attributes_section,
4483         Target::Target_info::attributes_vendor): New fields.
4484         (Target::do_attribute_arg_type, Target::do_attributes_order): New
4485         virtual method definitions.
4486         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
4487         attributes_section and attributes_vendor.
4488         * testsuite/testfile.cc (Target_test::test_target_info): Same.
4490 2009-12-05  Doug Kwan  <dougkwan@google.com>
4492         * arm.cc: Update comments about interworking and stub generation.
4493         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
4494         considered as non-PIC.
4495         (Arm_relocate_functions::base_abs): Fix formatting.
4496         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
4497         of function to use GOT entry address instead of offset.
4498         (Target_arm::Scan::global): Issue an error if a symbol would need a
4499         PLT does not get one because it is untyped.  Remove code to create
4500         dynamic symbols for relative branches.
4501         (Target_arm::Relocate::relocate: Use 0 instead of false since function
4502         takes unsigned integer instead of boolean.
4504 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
4506         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
4507         (two_file_test_LDADD): Likewise.
4508         (common_test_1_LDADD): Likewise.
4509         (exception_test_LDADD) Likewise.
4510         (weak_test_LDADD): Likewise.
4511         (many_sections_test_LDADD): Likewise.
4512         (initpri1_LDADD): Likewise.
4513         (script_test_1_LDADD): Likewise.
4514         (script_test_2_LDADD): Likewise.
4515         (justsyms_LDADD): Likewise.
4516         (binary_test_LDADD): Likewise.
4517         (large_LDADD): Likewise.
4518         * testsuite/Makefile.in: Regenerated.
4520 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
4522         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
4523         (Symbol_table::override_with_special): Likewise.
4524         (Symbol_table::add_from_object): Likewise.
4526 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4528         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4529         Don't set the data_offset twice.
4531 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4533         * testsuite/Makefile.in: Regenerate.
4535 2009-12-03  Doug Kwan  <dougkwan@google.com>
4537         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
4538         (Target_arm::do_finalize_sections): Add parameter for symbol table
4539         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
4540         * i386.cc (Target_i386::do_finalize_sections): Add an additional
4541         parameter for symbol table pointer.
4542         * layout.cc (Layout::finalize): Call Target::finalize_sections with
4543         an additional parameter for a pointer to symbol table.
4544         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
4545         parameter for a symbol table pointer.
4546         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
4547         * target.h (Target::finalize_sections, Target::do_finalize_sections):
4548         Ditto.
4549         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4550         parameter for a symbol table pointer.
4552 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4554         * incremental.cc (Incremental_inputs_header)
4555         (Incremental_inputs_header_write, Incremental_inputs_entry)
4556         (Incremental_inputs_entry_write): Move ...
4557         * incremental.h (Incremental_inputs_header)
4558         (Incremental_inputs_header_write, Incremental_inputs_entry)
4559         (Incremental_inputs_entry_write): here.
4561 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4563         * incremental.cc (make_sized_incremental_binary): Set the target.
4564         Error if it is incompatible.
4565         * output.h (Output_file): Add filename method.
4567 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4569         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4570         from the get_* methods.
4572 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4574         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4575         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4576         Write 0 for the data_offset of scripts.
4578 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4580         * testsuite/Makefile.am: Add the incremental_test.sh test.
4581         * testsuite/incremental_test.sh: New.
4582         * testsuite/incremental_test_1.c: New.
4583         * testsuite/incremental_test_2.c: New.
4585 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4587        * incremental-dump.cc (main): Fix typos.
4589 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4591         PR gold/11025
4592         * incremental-dump.cc (main): Use llu to print 64 bit values.
4594 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
4595             H.J. Lu  <hongjiu.lu@intel.com>
4597         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4598         $(LIBDL).
4599         (incremental_dump_LDADD): Likewise.
4600         * Makefile.in: Regenerated.
4602 2009-11-25  Doug Kwan  <dougkwan@google.com>
4604         Revert:
4606         2009-11-25  Doug Kwan  <dougkwan@google.com>
4608                 * arm.cc (Target_arm::Target_arm): Move method definition
4609                 outside of class definition.  Add code to handle
4610                 --target1-rel, --target1-abs and --target2= options.
4611                 (Target_arm::get_reloc_reloc_type): Change method to be
4612                 non-static and const.
4613                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4614                 New data member declaration.
4615                 (Target_arm::Scan::local, Target_arm::Scan::global,
4616                 Target_arm::Relocate::relocate,
4617                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4618                 Adjust call to Target_arm::get_real_reloc_type.
4619                 (Target_arm::get_real_reloc_type): Use command line options
4620                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4621                 * options.h (--target1-rel, --target1-abs, --target2): New
4622                 ARM-only options.
4624 2009-11-25  Doug Kwan  <dougkwan@google.com>
4626         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4627         class definition.  Add code to handle --target1-rel, --target1-abs
4628         and --target2= options.
4629         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4630         and const.
4631         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4632         member declaration.
4633         (Target_arm::Scan::local, Target_arm::Scan::global,
4634         Target_arm::Relocate::relocate,
4635         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4636         call to Target_arm::get_real_reloc_type.
4637         (Target_arm::get_real_reloc_type): Use command line options to
4638         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4639         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4640         options.
4642 2009-11-25  Doug Kwan  <dougkwan@google.com>
4644         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4645         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4646         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4647         formatting.
4648         (Arm_relocate_functions::thm_call): Replace body with a call to
4649         Arm_relocate_functions::thumb_branch_common.
4650         (Arm_relocate_functions::thm_jump24,
4651         Arm_relocate_functions::thm_xpc22): New method definitions.
4652         (Arm_relocate_functions::thumb_branch_common): New method definition.
4653         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4654         operator.
4655         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4656         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4658 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4660         * Makefile.am: Build incremental-dump
4661         * Makefile.in: Regenerate.
4662         * incremental-dump.cc: New.
4663         * incremental.cc (Incremental_inputs_header_data,
4664         Incremental_inputs_entry_data): Move to incremental.h
4665         * incremental.h: (Incremental_inputs_header_data,
4666         Incremental_inputs_entry_data): Move from incremental.cc
4668 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4670         * incremental.cc (Incremental_inputs_header,
4671         Incremental_inputs_header_write, Incremental_inputs_entry,
4672         Incremental_inputs_entry_write): Add a typedef with the data type.
4674 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4676         * incremental.cc (Incremental_inputs_header,
4677         Incremental_inputs_header_write, Incremental_inputs_entry,
4678         Incremental_inputs_entry_write): Update comment about which
4679         type has the filed descriptions.
4681 2009-11-15  Doug Kwan  <dougkwan@google.com>
4683         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4684         (Arm_relocate_functions::arm_branch_common): Change method defintion
4685         in class definition to a method declaration and update list of formal
4686         parameters.
4687         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4688         Arm_relocation_functions::jump24): Adjust call to
4689         Arm_relocate_functions::arm_branch_common.  Update list of formal
4690         parameters.
4691         (Arm_relocate_functions::xpc25): New method definition.
4692         (Arm_relocate_functions::arm_branch_common): Move method defintion
4693         out from class definition.  Use stubs for mode-switching and extending
4694         branch ranges.
4695         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4696         specially.  Change code to enable use of stubs in ARM branches.
4698 2009-11-10  Doug Kwan  <dougkwan@google.com>
4700         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4701         in method declaration.
4702         (Target_arm::relocate_stub): New method declaration.
4703         (Target_arm::default_target): Change to return a pointer instead of
4704         a const reference.
4705         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4706         Target_arm::default_target.
4707         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4708         method definition.
4709         (Target_arm::relocate_section): Adjust view.
4710         (Target_arm::relocate_stub): New method definition.
4712 2009-11-10  Doug Kwan  <dougkwan@google.com>
4714         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4715         a format warning.
4716         * incremental.cc (open_incremental_binary): Initialized local
4717         variables to avoid warnings.
4718         * object.cc (make_elf_object): Ditto.
4719         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4720         a format warning.
4722 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4724         PR gold/10930
4725         * testsuite/plugin_test.c: Include "config.h".
4727 2009-11-09  Doug Kwan  <dougkwan@google.com>
4729         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4730         (arm_symbol_value): Remove.
4731         (Arm_relocate_functions::arm_branch_common,
4732         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4733         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4734         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4735         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4736         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4737         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4738         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4739         Arm_relocate_functions::thm_mobw_abs_nc,
4740         Arm_relocate_functions::thm_mov_abs,
4741         Arm_relocate_functions::movw_prel_nc,
4742         Arm_relocate_functions::thm_movt_abs,
4743         Arm_relocate_functions::movt_prel,
4744         Arm_relocate_functions::thm_movw_prel_nc,
4745         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4746         (Target_arm::Relocate::relocate): Only decompose address into two
4747         parts if relocation type uses the thumb-bit and pass the actual
4748         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4749         calls to methods in Arm_relocate_functions for this change.
4751 2009-11-08  Ian Lance Taylor  <iant@google.com>
4753         PR 10925
4754         * reloc.cc: Instantiate
4755         Sized_relobj::initialize_input_to_output_maps and
4756         Sized_relobj:free_input_to_output_maps.
4758 2009-11-06  Ian Lance Taylor  <iant@google.com>
4760         PR 10876
4761         * defstd.cc (in_segment): Set only_if_ref true for "end".
4763 2009-11-06  Doug Kwan  <dougkwan@google.com>
4765         * arm.cc (class Reloc_stub): Correct a comment.
4766         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4767         (Target_arm::scan_section_for_stubs): New method declaration.
4768         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4769         Change methods from private to protected.
4770         (Target_arm::do_may_relax): New method definition.
4771         (Target_arm::do_relax, Target_arm::group_sections,
4772         Target_arm::scan_reloc_for_stub,
4773         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4774         (Target_arm::arm_input_section_map_): New data member declaration.
4775         (Target_arm::scan_reloc_for_stub,
4776         Target_arm::scan_reloc_section_for_stubs,
4777         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4778         Target_arm::do_relax): New method definitions.
4780 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4782         * configure.ac: Check for (struct stat)::st_mtim
4783         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4784         * config.in: Regenerate.
4785         * configure: Regenerate.
4787 2009-11-05  Ian Lance Taylor  <iant@google.com>
4789         PR 10910
4790         * output.cc (Output_segment::add_output_section): Add missing
4791         return statement.
4793 2009-11-04  Ian Lance Taylor  <iant@google.com>
4795         PR 10880
4796         * object.h (class Object): Add is_needed and set_is_needed
4797         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4798         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4799         defined in a dynamic object and referenced by a regular object,
4800         set is_needed for the dynamic object.
4801         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4802         if the file is marked with as_needed and it is not needed.
4804 2009-11-04  Ian Lance Taylor  <iant@google.com>
4806         PR 10887
4807         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4808         tags if data is discarded by linker script.
4809         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4810         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4811         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4812         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4814 2009-11-04  Ian Lance Taylor  <iant@google.com>
4816         * layout.cc (Layout::get_output_section): Add is_interp and
4817         is_dynamic_linker_section parameters.  Change all callers.
4818         (Layout::choose_output_section): Likewise.
4819         (Layout::make_output_section): Likewise.
4820         (Layout::add_output_section_data): Add is_dynamic_linker_section
4821         parameter.  Change all callers.
4822         * layout.h (class Layout): Update declarations.
4823         * output.h (class Output_section): Add is_interp, set_is_interp,
4824         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4825         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4826         generate_code_fills_at_write_ to a bitfield.
4827         * output.cc (Output_section::Output_sections): Initialize new
4828         fields.
4829         (Output_segment::add_output_section): Add do_sort parameter.
4830         Change all callers.
4832 2009-11-03  Ian Lance Taylor  <iant@google.com>
4834         PR 10860
4835         * options.h (class General_options): Add --warn-common.
4836         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4837         merging two common symbols.
4838         (Symbol_table::should_override): Handle --warn-common when merging
4839         a common symbol with a defined symbol.  Use report_resolve_problem
4840         for multiple definitions.
4841         (Symbol_table::report_resolve_problem): New function.
4842         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4844 2009-11-03  Doug Kwan  <dougkwan@google.com>
4846         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4847         stub_factory_.
4848         (Target_arm::stub_factory): New method definition.
4849         (Target_arm::new_arm_input_section,
4850         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4851         Target_arm::reloc_uses_thumb_bit): New method declarations.
4852         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4853         New type definitions.
4854         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4855         member declarations.
4856         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4857         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4858         New method definitions.
4860 2009-11-03  Ian Lance Taylor  <iant@google.com>
4862         * options.h (class General_options): Add --warn_constructors.
4864 2009-11-03  Ian Lance Taylor  <iant@google.com>
4866         PR 10893
4867         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4868         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4870 2009-11-03  Ian Lance Taylor  <iant@google.com>
4872         PR 10895
4873         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4874         --msgid-bugs-address.
4875         (install-pdf): New target.
4876         (install-data_yes): Look up one directory to find mkinstalldirs.
4878 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4880         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4881         tree.
4883 2009-10-30  Doug Kwan  <dougkwan@google.com>
4885         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4887 2009-10-30  Doug Kwan  <dougkwan@google.com>
4889         * arm.cc (Stub_addend_reader): New struct template definition
4890         and partial specializations.
4891         (Stub_addend_reader::operator()): New method definition for a
4892         partially specialized template.
4894 2009-10-30  Doug Kwan  <dougkwan@google.com>
4896         * arm.cc (Arm_relobj::processor_specific_flags): New method
4897         definition.
4898         (Arm_relobj::do_read_symbols): New method declaration.
4899         (Arm_relobj::processor_specific_flags_): New data member declaration.
4900         (Arm_dynobj): New class definition.
4901         (Target_arm::do_finalize_sections): Add input_objects parameter.
4902         (Target_arm::do_adjust_elf_header): New method declaration.
4903         (Target_arm::are_eabi_versions_compatible,
4904         (Target_arm::merge_processor_specific_flags): New method declaration.
4905         (Target_arm::do_make_elf_object): New overloaded method definitions
4906         and declaration.
4907         (Arm_relobj::do_read_symbols): New method definition.
4908         (Arm_dynobj::do_read_symbols): Ditto.
4909         (Target_arm::do_finalize_sections): Add input_objects parameters.
4910         Merge processor-specific flags from all input objects.
4911         (Target_arm::are_eabi_versions_compatible,
4912         Target_arm::merge_processor_specific_flags,
4913         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4914         New method definitions.
4915         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4916         Input_objects pointer type parameter.
4917         * layout.cc (Layout::finalize): Pass input objects to target's.
4918         finalize_sections function.
4919         * output.cc (Output_file_header::do_sized_write): Set ELF file
4920         header's processor-specific flags.
4921         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4922         Input_objects pointer type parameter.
4923         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4924         * target.h (Input_objects): New forward class declaration.
4925         (Target::processor_specific_flags,
4926         Target::are_processor_specific_flags_sect): New method definitions.
4927         (Target::finalize_sections): Add input_objects parameter.
4928         (Target::Target): Initialize processor_specific_flags_ and
4929         are_processor_specific_flags_set_.
4930         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4931         parameter.
4932         (Target::set_processor_specific_flags): New method definition.
4933         (Target::processor_specific_flags_,
4934         Target::are_processor_specific_flags_set_): New data member
4935         declarations.
4936         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4937         Input_objects pointer type parameter.
4939 2009-10-30  Doug Kwan  <dougkwan@google.com>
4941         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4943 2009-10-28  Ian Lance Taylor  <iant@google.com>
4945         * object.h (class Relobj): Drop options parameter from
4946         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4947         do_scan_relocs, do_relocate.  Change all callers.
4948         (class Sized_relobj): Drop options parameters from
4949         do_gc_process_relocs, do_scan_relocs, do_relocate,
4950         do_relocate_sections, relocate_sections, emit_relocs_scan,
4951         emit_relocs_scan_reltype.  Change all callers.
4952         (struct Relocate_info): Remove options field and all references to
4953         it.
4954         * reloc.h (class Read_relocs): Remove options constructor
4955         parameter and options_ field.  Change all callers.
4956         (class Gc_process_relocs, class Scan_relocs): Likewise.
4957         (class Relocate_task): Likewise.
4958         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4959         all callers.
4960         (scan_relocatable_relocs): Likewise.
4961         * target.h (class Sized_target): Remove options parameter from
4962         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4963         all callers.
4964         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4965         callers.
4966         * arm.cc: Update functions to remove options parameters.
4967         * i386.cc: Likewise.
4968         * powerpc.cc: Likewise.
4969         * sparc.cc: Likewise.
4970         * x86_64.cc: Likewise.
4971         * testsuite/testfile.cc: Likewise.
4973 2009-10-28  Doug Kwan  <dougkwan@google.com>
4975         * arm.cc (Arm_relobj): New class definition.
4976         (Arm_relobj::scan_sections_for_stubs,
4977         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4978         New method definitions.
4980 2009-10-28  Cary Coutant  <ccoutant@google.com>
4982         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4983         (Plugin::cleanup_done_): New member.
4984         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4985         (Plugin_manager::cleanup_done_): Remove.
4986         (Plugin_manager::add_input_file): Edit error message.
4987         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4988         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4990 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4992         * fileread.cc: (File_read::View::~View): Use the new
4993         data_ownership_ filed.
4994         (File_read::~File_read): Dispose the new whole_file_view_.
4995         (File_read::open): Mmap the whole file if needed.
4996         (File_read::open): Use whole_file_view_ instead of contents_.
4997         (File_read::find_view): Use whole_file_view_ if applicable.
4998         (File_read::do_read): Use whole_file_view_ instead of contents_.
4999         (File_read::make_view): Use whole_file_view_ instead of contents_,
5000         update File_read::View::View call.
5001         (File_read::find_or_make_view): Update File_read::View::View
5002         call.
5003         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
5004         remove contents_
5005         (File_read::View::Data_ownership): New enum.
5006         (File_read::View::View): Replace bool mapped_ with Data_ownership
5007         argument.
5008         (File_read::View::mapped_): Remove (replaced by data_ownership_).
5009         (File_read::View::data_ownership_): New field.
5010         (File_read::contents_): Remove (replaced by whole_file_view_).
5011         (File_read::whole_file_view_): New field.
5012         * options.h (class General_options): Add --keep-files-mapped.
5014 2009-10-27  Cary Coutant  <ccoutant@google.com>
5016         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
5017         * testsuite/Makefile.am (plugin_test_5): New test case.
5018         * testsuite/Makefile.in: Regenerate.
5020 2009-10-25  Doug Kwan  <dougkwan@google.com>
5022         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
5023         from private to protected to allow access by child class.
5024         (Sized_relobj::do_relocate_sections): New method declaration.
5025         (Sized_relobj::relocate_sections): Virtualize.
5026         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
5027         Sized_relobj::relocate_sections.  Instantiate template explicitly
5028         for different target sizes and endianity.
5030 2009-10-24  Doug Kwan  <dougkwan@google.com>
5032         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
5033         (Arm_input_section::as_arm_input_section): New method.
5034         (Arm_output_section): New class definition.
5035         (Arm_output_section::create_stub_group,
5036         Arm_output_section::group_sections): New method definitions.
5038 2009-10-22  Doug Kwan  <dougkwan@google.com>
5040         * arm.cc (Arm_input_section): New class definition.
5041         (Arm_input_section::init, Arm_input_section:do_write,
5042         Arm_input_section::set_final_data_size,
5043         Arm_input_section::do_reset_address_and_file_offset): New method
5044         definitions.
5046 2009-10-21  Doug Kwan  <dougkwan@google.com>
5048         * arm.cc (Stub_table, Arm_input_section): New forward class
5049         declarations.
5050         (Stub_table): New class defintion.
5051         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
5052         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
5053         New method definition.
5055 2009-10-21  Doug Kwan  <dougkwan@google.com>
5057         * arm.cc: Update copyright comments.
5058         (Target_arm): New forward class template declaration.
5059         (Arm_address): New type.
5060         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
5061         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
5062         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
5063         constants.
5064         (Insn_template): Same.
5065         (DEF_STUBS): New macro.
5066         (Stub_type): New enum type.
5067         (Stub_template): New class definition.
5068         (Stub): Same.
5069         (Reloc_stub): Same.
5070         (Stub_factory): Same.
5071         (Target_arm::Target_arm): Initialize may_use_blx_ and
5072         should_force_pic_veneer_.
5073         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
5074         Target_arm::should_force_pic_veneer,
5075         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
5076         Target_arm::using_thumb_only, Target_arm:;default_target): New
5077         method defintions.
5078         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
5079         New data member declarations.
5080         (Insn_template::size, Insn_template::alignment): New method defintions.
5081         (Stub_template::Stub_template): New method definition.
5082         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
5083         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
5084         (Stub_factory::Stub_factory): New method definition.
5085         * gold.h (string_hash): New template.
5086         * output.h (Input_section_specifier::hash_value): Use
5087         gold::string_hash.
5088         (Input_section_specifier::string_hash): Remove.
5089         * stringpool.cc (Stringpool_template::string_hash): Use
5090         gold::string_hash.
5092 2009-10-20  Doug Kwan  <dougkwan@google.com>
5094         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
5095         symbols of relaxed input sections.
5096         * output.h (Output_section::find_relaxed_input_section): Make
5097         method public.
5099 2009-10-16  Doug Kwan  <dougkwan@google.com>
5101         * dynobj.cc (Versions::Versions): Initialize version_script_.
5102         Only insert base version symbol definition for a shared object
5103         if version script defines any version versions.
5104         (Versions::define_base_version): New method definition.
5105         (Versions::add_def): Check that base version is not needed.
5106         (Versions::add_need): Define base version lazily.
5107         * dynobj.h (Versions::define_base_version): New method declaration.
5108         (Versions::needs_base_version_): New data member declaration.
5109         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
5110         (check_DATA): Add no_version_test.stdout.
5111         (libno_version_test.so, no_version_test.o no_version_test.stdout):
5112         New make rules.
5113         * testsuite/Makefile.in: Regenerate.
5114         * testsuite/no_version_test.c: New file.
5115         * testsuite/no_version_test.sh: Ditto.
5117 2009-10-16  Doug Kwan  <dougkwan@google.com>
5119         * expression.cc (class Segment_start_expression): New class definition.
5120         (Segment_start_expression::value): New method definition.
5121         (script_exp_function_segment_start): Return a new
5122         Segment_start_expression.
5123         * gold/script-c.h (script_saw_segment_start_expression): New function
5124         prototype.
5125         * script-sections.cc (Script_sections::Script_sections): Initialize
5126         SAW_SEGMENT_START_EXPRESSION_ to false.
5127         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
5128         and -Tbbs options to specify section addresses if given in
5129         command line and no SEGMENT_START expression is seen in a script.
5130         * script-sections.h (Script_sections::saw_segment_start_expression,
5131         Script_sections::set_saw_segment_start_expression): New method
5132         definition.
5133         (Script_sections::saw_segment_start_expression_): New data member
5134         declaration.
5135         * script.cc (script_saw_segment_start_expression): New function.
5136         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
5137         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
5138         script_test_7.sh and script_test_8.sh.
5139         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
5140         script_test_8.stdout.
5141         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
5142         (script_test_6, script_test_6.stdout, script_test_7,
5143         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
5144         * Makefile.in: Regenerate.
5145         * testsuite/script_test_6.sh: New file.
5146         * testsuite/script_test_6.t: Same.
5147         * testsuite/script_test_7.sh: Same.
5148         * testsuite/script_test_7.t: Same.
5149         * testsuite/script_test_8.sh: Same.
5151 2009-10-16  Doug Kwan  <dougkwan@google.com>
5153         * output.cc (Output_segment::set_section_list_address): Cast
5154         expressions to unsigned long long type to avoid format warnings.
5156 2009-10-15  Ian Lance Taylor  <iant@google.com>
5158         * script.cc (Script_options::add_symbol_assignment): Always add a
5159         dot assignment to script_sections_.
5160         * script-sections.cc (Script_sections::add_dot_assignment):
5161         Initialize if necessary.
5163         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
5164         program headers with no load segment if there is a linker script.
5166         * layout.cc (Layout::set_segment_offsets): Align the file offset
5167         to the segment aligment for -N or -n with no load segment.
5168         * output.cc (Output_segment::add_output_section): Don't crash if
5169         the first section is a TLS section.
5170         (Output_segment::set_section_list_addresses): Print an error
5171         message if the address moves backward in a linker script.
5172         * script-sections.cc
5173         (Output_section_element_input::set_section_addresses): Don't
5174         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
5175         (Orphan_output_section::set_section_addresses): Likewise.
5177 2009-10-15  Doug Kwan  <dougkwan@google.com>
5179         * layout.cc (Layout::finish_dynamic_section): Generate tags
5180         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
5181         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
5182         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
5184 2009-10-14  Ian Lance Taylor  <iant@google.com>
5186         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
5187         fields.
5188         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
5189         data_shdr fields of relinfo.
5190         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
5191         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
5192         R_386_TLS_LDO_32, adjust based on section flags.
5193         (Target_i386::Relocate::fix_up_ldo): Remove.
5195 2009-10-13  Ian Lance Taylor  <iant@google.com>
5197         Add support for -pie.
5198         * options.h (class General_options): Add -pie and
5199         --pic-executable.
5200         (General_options::output_is_position_independent): Test -pie.
5201         (General_options::output_is_executable): Return true if not shared
5202         and not relocatable.
5203         (General_options::output_is_pie): Remove.
5204         * options.cc (General_options::finalize): Reject incompatible uses
5205         of -pie.
5206         * gold.cc (queue_middle_tasks): A -pie link is not static.
5207         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
5208         * symtab.cc (Symbol::final_value_is_known): Return false if
5209         output_is_position_independent.
5210         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
5211         output_is_position_independent.
5212         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
5213         output_is_position_independent.
5214         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
5215         output_is_position_independent.
5216         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
5217         two_file_pie_test.
5218         (basic_pie_test.o, basic_pie_test): New targets.
5219         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
5220         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
5221         (two_file_pie_test): New target.
5222         * testsuite/Makefile.in: Rebuild.
5223         * README: Remove note saying that -pie is not supported.
5225 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5227         * options.h (class General_options): Add -init and -fini.
5228         * layout.cc (Layout::finish_dynamic_section): Emit
5229         given init and fini functions.
5231 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
5233         * gc.h (gc_process_relocs): Check if icf is enabled using new
5234         function.
5235         * gold.cc (queue_initial_tasks): Likewise.
5236         (queue_middle_tasks): Likewise.
5237         * object.cc (do_layout): Likewise.
5238         * symtab.cc (is_section_folded): Likewise.
5239         * main.cc (main): Likewise.
5240         * reloc.cc (Read_relocs::run): Likewise.
5241         (Sized_relobj::do_scan_relocs): Likewise.
5242         * icf.cc (is_function_ctor_or_dtor): New function.
5243         (Icf::find_identical_sections): Check if function is ctor or dtor when
5244         safe icf is chosen.
5245         * options.h (General_options::icf): Change option to be an enum.
5246         (Icf_status): New enum.
5247         (icf_enabled): New method.
5248         (icf_safe_folding): New method.
5249         (set_icf_status): New method.
5250         (icf_status_): New variable.
5251         * (options.cc) (General_options::finalize): Set icf_status_.
5252         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
5253         icf_test and icf_keep_unique_test to use the --icf enum flag.
5254         * testsuite/icf_safe_test.sh: New file.
5255         * testsuite/icf_safe_test.cc: New file.
5257 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
5259         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
5260         includes to gc.h and icf.h.
5261         * arm.cc: Include gc.h.
5262         * gold.cc: Likewise.
5263         * i386.cc: Likewise.
5264         * powerpc.cc: Likewise.
5265         * sparc.cc: Likewise.
5266         * x86_64.cc: Likewise.
5267         * gc.h: Include icf.h.
5269 2009-10-11  Ian Lance Taylor  <iant@google.com>
5271         * plugin.cc: Include "gold.h" before other header files.
5273 2009-10-10  Chris Demetriou  <cgd@google.com>
5275         * options.h (Input_file_argument::Input_file_type): New enum.
5276         (Input_file_argument::is_lib_): Replace with...
5277         (Input_file_argument::type_): New member.
5278         (Input_file_argument::Input_file_argument): Take Input_file_type
5279         'type' rather than boolean 'is_lib' as second argument.
5280         (Input_file_argument::is_lib): Use type_.
5281         (Input_file_argument::is_searched_file): New function.
5282         (Input_file_argument::may_need_search): Handle is_searched_file.
5283         * options.cc (General_options::parse_library): Support -l:filename.
5284         (General_options::parse_just_symbols): Update for Input_file_argument
5285         changes.
5286         (Command_line::process): Likewise.
5287         * archive.cc (Archive::get_file_and_offset): Likewise.
5288         * plugin.cc (Plugin_manager::release_input_file): Likewise.
5289         * script.cc (read_script_file, script_add_file): Likewise.
5290         * fileread.cc (Input_file::Input_file): Likewise.
5291         (Input_file::will_search_for): Handle is_searched_file.
5292         (Input_file::open): Likewise.
5293         * readsyms.cc (Read_symbols::get_name): Likewise.
5294         * testsuite/Makefile.am (searched_file_test): New test.
5295         * testsuite/Makefile.in: Regenerate.
5296         * testsuite/searched_file_test.cc: New file.
5297         * testsuite/searched_file_test_lib.cc: New file.
5299 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5300             Ian Lance Taylor  <iant@google.com>
5302         * descriptor.cc: Include <cstdio> and "binary-io.h".
5303         (Descriptors::open): Open the files in binary mode always.
5304         * script.cc (Lex::get_token): Treat \r as whitespace.
5306 2009-10-09  Ian Lance Taylor  <iant@google.com>
5308         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5310 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5311             Ian Lance Taylor  <iant@google.com>
5313         * configure.ac: Check for readv function also.
5314         * fileread.cc (readv): Define if not HAVE_READV.
5315         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5316         does not exist.
5317         * config.in: Regenerate.
5318         * configure: Regenerate.
5320 2009-10-09  Doug Kwan  <dougkwan@google.com>
5322         * layout.cc (Layout::make_output_section): Call target hook to make
5323         ordinary output section.
5324         (Layout::finalize): Adjust parameter list of call the
5325         Target::may_relax().
5326         * layout.h (class Layout::section_list): New method.
5327         * merge.h (Output_merge_base::entsize): Change visibility to public.
5328         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5329         New methods.
5330         (Output_merge_string::do_is_string): New method.
5331         * object.cc (Sized_relobj::do_setup): renamed from
5332         Sized_relobj::set_up.
5333         * object.h (Sized_relobj::adjust_shndx,
5334         Sized_relobj::initializ_input_to_output_maps,
5335         Sized_relobj::free_input_to_output_maps): Change visibilities to
5336         protected.
5337         (Sized_relobj::setup): Virtualize.
5338         (Sized_relobj::do_setup): New method declaration.
5339         (Sized_relobj::invalidate_section_offset,
5340         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5341         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5342         * options.cc (parse_int): New function.
5343         * options.h (parse_int): New declaration.
5344         (DEFINE_int): New macro.
5345         (stub_group_size): New option.
5346         * output.cc (Output_section::Output_section): Initialize memebers
5347         merge_section_map_, merge_section_by_properties_map_,
5348         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5349         (Output_section::add_input_section): Handled deferred code-fill
5350         generation and remove an old comment.
5351         (Output_section::add_relaxed_input_section): New method definition.
5352         (Output_section::add_merge_input_section): Use merge section by
5353         properties map to speed to search.  Update merge section maps
5354         as appropriate.
5355         (Output_section::build_relaxation_map): New method definition.
5356         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5357         Same.
5358         (Output_section::relax_input_section): Renamed to
5359         Output_section::convert_input_sections_to_relaxed_sections and change
5360         interface to take a vector of pointers to relaxed sections.
5361         (Output_section::find_merge_section,
5362         Output_section::find_relaxed_input_section): New method definitions.
5363         (Output_section::is_input_address_mapped,
5364         Output_section::output_offset, Output_section::output_address):
5365         Use output section data maps to speed up searching.
5366         (Output_section::find_starting_output_address): Add comments.
5367         (Output_section::do_write,
5368         Output_section::write_to_postprocessing_buffer): Do code-fill
5369         generation as appropriate.
5370         (Output_section::get_input_sections): Invalidate relaxed input section
5371         map.
5372         (Output_section::restore_states): Adjust type of checkpoint .
5373         Invalidate relaxed input section map.
5374         * output.h (Output_merge_base): New class declaration.
5375         (Input_section_specifier): New class defintion.
5376         (class Output_relaxed_input_section) Change base class to
5377         Output_section_data_build.
5378         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5379         base class initializer.
5380         (Output_section::add_relaxed_input_section): New method declaration.
5381         (Output_section::Input_section): Change visibility to protected.
5382         (Output_section::Input_section::relobj,
5383         Output_section::Input_section::shndx): Handle relaxed input sections.
5384         Output_section::input_sections) Change visibility to protected.  Also
5385         define overload to return a non-const pointer.
5386         (Output_section::Merge_section_properties): New class defintion.
5387         (Output_section::Merge_section_by_properties_map,
5388         Output_section::Output_section_data_by_input_section_map,
5389         Output_section::Relaxation_map): New types.
5390         (Output_section::relax_input_section): Rename method to
5391         Output_section::convert_input_sections_to_relaxed_sections and change
5392         interface to take a vector of relaxed section pointers.
5393         (Output_section::find_merge_section,
5394         Output_section::find_relaxed_input_section,
5395         Output_section::build_relaxation_map,
5396         Output_section::convert_input_sections_in_list_to_relaxed_sections):
5397         New method declarations.
5398         (Output_section::merge_section_map_
5399         Output_section::merge_section_by_properties_map_,
5400         Output_section::relaxed_input_section_map_,
5401         Output_section::is_relaxed_input_section_map_valid_,
5402         Output_section::generate_code_fills_at_write_): New data members.
5403         * script-sections.cc
5404         (Output_section_element_input::set_section_addresses): Call
5405         current_data_size and addralign methods of relaxed input sections.
5406         (Orphan_output_section::set_section_addresses): Call current_data_size
5407         and addralign methods of relaxed input sections.
5408         * symtab.cc (Symbol_table::compute_final_value): Extract template
5409         from the body of Symbol_table::sized_finalize_symbol.
5410         (Symbol_table::sized_finalized_symbol): Call
5411         Symbol_table::compute_final_value.
5412         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
5413         (Symbol_table::compute_final_value): New templated method declaration.
5414         * target.cc (Target::do_make_output_section): New method defintion.
5415         * target.h (Target::make_output_section): New method declaration.
5416         (Target::relax): Add more parameters for input objects, symbol table
5417         and layout.  Adjust call to do_relax.
5418         (Target::do_make_output_section): New method declaration.
5419         (Target::do_relax): Add parameters for input objects, symbol table
5420         and layout.
5422 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5424         * pread.c: Include stdio.h.
5426 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5428         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
5429         defined.
5431 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5433         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5434         Change read_shndx type to unsigned int.
5435         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5436         int.
5437         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5438         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
5439         Change read_shndx type to unsigned int.
5440         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5441         int.
5442         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5443         * layout.cc (Layout::create_symtab_sections): Cast the result of
5444         local_symcount * symsize to off_t in the gold_assert.
5446 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5448         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
5449         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
5450         R_ARM_BASE_ABS.
5451         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
5452         (Arm_relocate_functions::thm_abs5): New function.
5453         (Arm_relocate_functions::abs12): New function.
5454         (Arm_relocate_functions::abs16): New function.
5455         (Arm_relocate_functions::base_abs): New function.
5456         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
5457         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
5458         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
5459         R_ARM_BASE_ABS.
5460         (Scan::global): Likewise.
5461         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
5462         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
5463         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
5464         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
5465         R_ARM_BASE_ABS.
5467 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5469         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
5470         (Arm_relocate_functions::movt_prel): New function.
5471         (Arm_relocate_functions::thm_movw_prel_nc): New function.
5472         (Arm_relocate_functions::thm_movt_prel): New function.
5473         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
5474         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
5475         (Scan::global, Relocate::relocate): Likewise.
5476         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5478 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5480         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
5481         Incremental_checker.
5482         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
5483         unsigned int.
5484         (class Incremental_inputs_header): New class.
5485         (Incremental_inputs_header_writer): Edit comment.
5486         (Incremental_inputs_entry): New class.
5487         (Incremental_inputs_entry_writer): Edit comment.
5488         (Sized_incremental_binary::do_find_incremental_inputs_section):
5489         Add *strtab_shndx parameter, fill it.
5490         (Sized_incremental_binary::do_check_inputs): New method.
5491         (Incremental_checker::can_incrementally_link_output_file): Use
5492         Sized_incremental_binary::check_inputs.
5493         (Incremental_inputs::report_command_line): Save command line in
5494         command_line_.
5495         * incremental.h:
5496         (Incremental_binary::find_incremental_inputs_section): New
5497         method.
5498         (Incremental_binary::do_find_incremental_inputs_section): Add
5499         strtab_shndx parameter.
5500         (Incremental_binary::do_check_inputs): New pure virtual method.
5501         (Sized_incremental_binary::do_check_inputs): Declare.
5502         (Incremental_checker::Incremental_checker): Add incremental_inputs
5503         parameter, use it to initialize incremental_inputs_.
5504         (Incremental_checker::incremental_inputs_): New field.
5505         (Incremental_checker::command_line): New method.
5506         (Incremental_checker::inputs): New method.
5507         (Incremental_checker::command_line_): New field.
5509 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5511         * incremental.cc: Include <cstdarg> and "target-select.h".
5512         (vexplain_no_incremental): New function.
5513         (explain_no_incremental): New function.
5514         (Incremental_binary::error): New method.
5515         (Sized_incremental_binary::do_find_incremental_inputs_section): New
5516         method.
5517         (make_sized_incremental_binary): New function.
5518         (open_incremental_binary): New function.
5519         (can_incrementally_link_file): Add checks if output is ELF and has
5520         inputs section.
5521         * incremental.h: Include "elfcpp_file.h" and "output.h".
5522         (Incremental_binary): New class.
5523         (Sized_incremental_binary): New class.
5524         (open_incremental_binary): Declare.
5525         * object.cc (is_elf_object): Use
5526         elfcpp::Elf_recognizer::is_elf_file.
5527         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
5528         * output.h (Output_file::filesize): New method.
5530 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5532         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
5533         New function.
5534         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
5535         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
5536         function.
5537         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
5538         function.
5539         (Arm_relocate_functions::movw_abs_nc): New function.
5540         (Arm_relocate_functions::movt_abs): New function.
5541         (Arm_relocate_functions::thm_movw_abs_nc): New function.
5542         (Arm_relocate_functions::thm_movt_abs): New function.
5543         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
5544         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
5545         (Scan::global): Likewise.
5546         (Relocate::relocate): Likewise.
5547         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5549 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5551         * arm.cc (Arm_relocate_functions::got_prel) New function.
5552         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5553         (Relocate::relocate): Likewise.
5554         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5556 2009-10-06  Ian Lance Taylor  <iant@google.com>
5558         * options.h (class General_options): Define
5559         split_stack_adjust_size parameter.
5560         * object.h (class Object): Add uses_split_stack_ and
5561         has_no_split_stack_ fields.  Add uses_split_stack and
5562         has_no_split_stack accessor functions.  Declare
5563         handle_split_stack_section.
5564         (class Reloc_symbol_changes): Define.
5565         (class Sized_relobj): Define Function_offsets.  Declare
5566         split_stack_adjust, split_stack_adjust_reltype, and
5567         find_functions.
5568         * object.cc (Object::handle_split_stack_section): New function.
5569         (Sized_relobj::do_layout): Call handle_split_stack_section.
5570         * dynobj.cc (Sized_dynobj::do_layout): Call
5571         handle_split_stack_section.
5572         * reloc.cc (Sized_relobj::relocate_sections): Call
5573         split_stack_adjust for executable sections in split_stack
5574         objects.  Pass reloc_map to relocate_section.
5575         (Sized_relobj::split_stack_adjust): New function.
5576         (Sized_relobj::split_stack_adjust_reltype): New function.
5577         (Sized_relobj::find_functions): New function.
5578         * target-reloc.h: Include "object.h".
5579         (relocate_section): Add reloc_symbol_changes parameter.  Change
5580         all callers.
5581         * target.h (class Target): Add calls_non_split method.  Declare
5582         do_calls_non_split virtual method.  Declare match_view and
5583         set_view_to_nop.
5584         * target.cc: Include "elfcpp.h".
5585         (Target::do_calls_non_split): New function.
5586         (Target::match_view): New function.
5587         (Target::set_view_to_nop): New function.
5588         * gold.cc (queue_middle_tasks): Give an error if mixing
5589         split-stack and non-split-stack objects with -r.
5590         * i386.cc (Target_i386::relocate_section): Add
5591         reloc_symbol_changes parameter.
5592         (Target_i386::do_calls_non_split): New function.
5593         * x86_64.cc (Target_x86_64::relocate_section): Add
5594         reloc_symbol_changes parameter.
5595         (Target_x86_64::do_calls_non_split): New function.
5596         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5597         parameter.
5598         * powerpc.cc (Target_powerpc::relocate_section): Add
5599         reloc_symbol_changes parameter.
5600         * sparc.cc (Target_sparc::relocate_section): Add
5601         reloc_symbol_changes parameter.
5602         * configure.ac: Call AM_CONDITIONAL for the default target.
5603         * configure: Rebuild.
5604         * testsuite/Makefile.am (TEST_AS): New variable.
5605         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5606         (check_DATA): Add split_i386 and split_x86_64 files.
5607         (SPLIT_DEFSYMS): Define.
5608         (split_i386_[1234n].o): New targets.
5609         (split_i386_[124]): New targets.
5610         (split_i386_[1234r].stdout): New targets.
5611         (split_x86_64_[1234n].o): New targets.
5612         (split_x86_64_[124]): New targets.
5613         (split_x86_64_[1234r].stdout): New targets.
5614         (MOSTLYCLEANFILES): Add new executables.
5615         * testsuite/split_i386.sh: New file.
5616         * testsuite/split_x86_64.sh: New file.
5617         * testsuite/split_i386_1.s: New file.
5618         * testsuite/split_i386_2.s: New file.
5619         * testsuite/split_i386_3.s: New file.
5620         * testsuite/split_i386_4.s: New file.
5621         * testsuite/split_i386_n.s: New file.
5622         * testsuite/split_x86_64_1.s: New file.
5623         * testsuite/split_x86_64_2.s: New file.
5624         * testsuite/split_x86_64_3.s: New file.
5625         * testsuite/split_x86_64_4.s: New file.
5626         * testsuite/split_x86_64_n.s: New file.
5627         * testsuite/testfile.cc (Target_test): Update relocation_section
5628         function.
5629         * testsuite/Makefile.in: Rebuild.
5631 2009-10-06  Ian Lance Taylor  <iant@google.com>
5633         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5634         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5635         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5636         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5637         the address on ldo_addrs_.
5638         (Target_i386::Relocate::fix_up_ldo): New function.
5640 2009-10-06   Rafael Espindola  <espindola@google.com>
5642         * plugin.cc (add_input_library): New.
5643         (Plugin::load): Add add_input_library to tv.
5644         (Plugin_manager::add_input_file): Add the is_lib argument.
5645         (add_input_file): Update call to Plugin_manager::add_input_file.
5646         (add_input_library): New.
5647         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5649 2009-09-30  Doug Kwan  <dougkwan@google.com>
5651         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5652         symbol and call Symbol::may_need_copy_reloc to determine if
5653         a copy reloc is needed.
5654         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5655         nocopyreloc is given in command line.
5656         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5657         given in command line.
5658         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5659         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5660         of the removed Target_i386::may_need_copy_reloc.
5661         * options.h (copyreloc): New option with default value false.
5662         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5663         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5664         instead of the removed Target_powerpc::may_need_copy_reloc.
5665         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5666         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5667         instead of the removed Target_sparc::may_need_copy_reloc.
5668         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5669         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5670         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5671         instead of the removed Target_x86_64::may_need_copy_reloc.
5673 2009-09-30  Ian Lance Taylor  <iant@google.com>
5675         * object.h (class Object): Remove target_ field, and target,
5676         sized_target, and set_target methods.
5677         (Object::sized_target): Remove.
5678         (class Sized_relobj): Update declarations.  Remove sized_target.
5679         * object.cc (Sized_relobj::setup): Remove target parameter.
5680         Change all callers.
5681         (Input_objects::add_object): Don't do anything with the target.
5682         (make_elf_sized_object): Add punconfigured parameter.  Change all
5683         callers.  Set or test parameter target.
5684         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5685         Change all callers.
5686         * parameters.cc (Parameters::set_target): Change parameter type to
5687         be non-const.
5688         (Parameters::default_target): Remove.
5689         (set_parameters_target): Change parameter type to be non-const.
5690         (parameters_force_valid_target): New function.
5691         (parameters_clear_target): New function.
5692         * parameters.h (class Parameters): Update declarations.  Remove
5693         default_target method.  Add sized_target and clear_target
5694         methods.  Change target_ to be non-const.
5695         (set_parameters_target): Update declaration.
5696         (parameters_force_valid_target): Declare.
5697         (parameters_clear_target): Declare.
5698         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5699         as NULL if we aren't searching.
5700         (Add_symbols::run): Don't check for compatible target.
5701         * fileread.cc (Input_file::open_binary): Call
5702         parameters_force_valid_target.
5703         * gold.cc (queue_middle_tasks): Likewise.
5704         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5705         set_target on object.
5706         * dynobj.h (class Sized_dynobj): Update declarations.
5707         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5708         make_elf_object returns NULL.
5709         (Archive::include_member): Don't check whether object target is
5710         compatible.
5711         * output.cc (Output_section::add_input_section): Get target from
5712         parameters.
5713         (Output_section::relax_input_section): Likewise.
5714         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5715         parameters.
5716         (Sized_relobj::do_scan_relocs): Likewise.
5717         (Sized_relobj::relocate_sections): Likewise.
5718         * resolve.cc (Symbol_table::resolve): Likewise.
5719         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5720         parameter.  Change all callers.
5721         (Symbol_table::add_from_object): Get target from parameters.
5722         (Symbol_table::add_from_relobj): Don't check object target.
5723         (Symbol_table::add_from_dynobj): Likewise.
5724         (Symbol_table::define_special_symbol): Get target from
5725         parameters.
5726         * symtab.h (class Symbol_table): Update declaration.
5727         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5728         parameter.  Change all callers.  Clear parameter target.
5729         (Binary_test): Test target here.
5730         * testsuite/object_unittest.cc (gold_testsuite): Remove
5731         target_test_pointer parameter.  Change all callers.
5732         (Object_test): Test target here.
5734 2009-09-26  Ian Lance Taylor  <iant@google.com>
5736         * testsuite/initpri1.c: Don't try to use constructor priorities if
5737         compiling with gcc before 4.3.
5739 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5741         * testsuite/retain_symbols_file_test.sh (check_present): Change
5742         output file name to retain_symbols_file_test.stdout.
5743         (check_absent): Likewise.
5745 2009-09-18  Craig Silverstein  <csilvers@google.com>
5747         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5748         * options.cc: Include <cerrno> and <fstream>.
5749         (General_options::finalize): Parse -retain-symbols-file tag.
5750         * options.h: New flag.
5751         (General_options): New method should_retain_symbol, new
5752         variable symbols_to_retain.
5753         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5754         should_retain_symbol map.
5755         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5756         * testsuite/Makefile.in: Regenerate.
5757         * testsuite/retain_symbols_file_test.sh: New file.
5759 2009-09-18  Nick Clifton  <nickc@redhat.com>
5761         * po/es.po: Updated Spanish translation.
5763 2009-09-17  Doug Kwan  <dougkwan@google.com>
5765         * debug.h (DEBUG_RELAXATION): New constant.
5766         (DEBUG_ALL): Add DEBUG_RELAXATION.
5767         (debug_string_to_enum): Add relaxation debug option.
5768         * layout.cc
5769         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5770         Layout::Relaxation_debug_check::read_sections,
5771         Layout::Relaxation_debug_check::read_sections): New method definitions.
5772         (Layout::Layout): Initialize data members
5773         record_output_section_data_from_scrips_,
5774         script_output_section_data_list_ and relaxation_debug_check_.
5775         (Layout::save_segments, Layout::restore_segments,
5776         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5777         Layout::relaxation_loop_body): New method definitions.
5778         (Layout::finalize): Support relaxation.  Move section layout code to
5779         Layout::relaxation_loop_body.
5780         (Layout::set_asection_address_from_script): Move code for orphan
5781         section placement out.
5782         (Layout::place_orphan_sections_in_script): New method definition.
5783         * layout.h (Output_segment_headers, Output_file_header):
5784         New forward class declarations.
5785         (Layout::~Layout): Define.
5786         (Layout::new_output_section_data_from_script): New method definition.
5787         (Layout::place_orphan_sections_in_script): New method declaration.
5788         (Layout::Segment_states): New type declaration.
5789         (Layout::save_segments, Layout::restore_segments,
5790         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5791         Layout::relaxation_loop_body): New method declarations.
5792         (Layout::Output_section_data_list): New type declaration.
5793         (Layout::Relaxation_debug_check): New class definition.
5794         (Layout::record_output_section_data_from_script_,
5795         Layout::script_output_section_data_list_, Layout::segment_states_,
5796         Layout::relaxation_debug_check_): New data members.
5797         * output.cc: (Output_section_headers::do_size): New method definition.
5798         (Output_section_headers::Output_section_headers): Move size
5799         computation to Output_section_headers::do_size.
5800         (Output_segment_headers::do_size): New method definition.
5801         (Output_file_header::Output_file_header): Move size computation to
5802         Output_file_header::do_size and call it.
5803         (Output_file_header::do_size): New method definition.
5804         (Output_data_group::Output_data_group): Adjust call to
5805         Output_section_data.
5806         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5807         (Output_symtab_xindex::do_write): Add array bound check.
5808         (Output_section::Input_section::print_to_mapfile): Handle
5809         RELAXED_INPUT_SECTION_CODE.
5810         (Output_section::Output_section): Initialize data member checkpoint_.
5811         (Output_section::~Output_section): Delete checkpoint object pointed
5812         by checkpoint_.
5813         (Output_section::add_input_section): Always add an Input_section if
5814         relaxing.
5815         (Output_section::add_merge_input_section): Add assert.
5816         (Output_section::relax_input_section): New method definition.
5817         (Output_section::set_final_data_size): Set load address to zero for
5818         an unallocated section.
5819         (Output_section::do_address_and_file_offset_have_reset_values):
5820         New method definition.
5821         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5822         Handle relaxed input section.
5823         (Output_section::sort_attached_input_sections): Checkpoint input
5824         section list lazily.
5825         (Output_section::get_input_sections): Change type of input_sections to
5826         list of Simple_input_section pointers.  Checkpoint input section list
5827         lazily.  Also handle relaxed input sections.
5828         (Output_section::add_input_section_for_script): Take a reference to
5829         a Simple_input_section object instead of Relobj pointer and section
5830         index as parameter.  Handle relaxed input sections.
5831         (Output_section::save_states, Output_section::restore_states): New
5832         method definitions.
5833         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5834         (Output_data::is_data_size_fixed): New method definition.
5835         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5836         if it is fixed.
5837         (Output_data::address_and_file_offset_have_reset_values): New method
5838         definition.
5839         (Output_data::do_address_and_file_offset_have_reset_values): New method
5840         definition.
5841         (Output_data::set_data_size): Check that data size is not fixed.
5842         (Output_data::fix_data_size): New method definition.
5843         (Output_data::is_data_size_fixed_): New data member.
5844         (Output_section_headers::set_final_data_size): New method definition.
5845         (Output_section_headers::do_size): New method declaration.
5846         (Output_segment_headers::set_final_data_size): New method definition.
5847         (Output_segment_headers::do_size): New method declaration.
5848         (Output_file_header::set_final_data_size)::New method definition.
5849         (Output_file_header::do_size)::New method declaration.
5850         (Output_section_data::Output_section_data): Add new parameter
5851         is_data_size_fixed and use it to fix data size.
5852         (Output_data_const::Output_data_const): Adjust call to base class
5853         constructor and fix data size.
5854         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5855         base class constructor and fix data size.
5856         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5857         base class constructor and fix data size.
5858         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5859         class constructor and fix data size.
5860         (Output_data_group::set_final_data_size): New method definition.
5861         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5862         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5863         class constructor and fix data size.
5864         (Output_relaxed_input_section): New class definition.
5865         (Output_section::Simple_input_section): New class definition.
5866         (Output_section::get_input_sections): Adjust parameter list.
5867         (Output_section::add_input_section_for_script): Same.
5868         (Output_section::save_states, Output_section::restore_states,
5869         Output_section::do_address_and_file_offset_have_reset_values,
5870         (Output_section::Input_section::Input_section): Handle
5871         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5872         Output_relaxed_input_section.
5873         (Output_section::Input_section::is_input_section,
5874         Output_section::Input_section::set_output_section): Handle relaxed
5875         input section.
5876         (Output_section::Input_section::is_relaxed_input_section,
5877         Output_section::Input_section::output_section_data,
5878         Output_section::Input_section::relaxed_input_section): New method
5879         definitions.
5880         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5881         value.
5882         (Output_section::Input_section::u1_): Update comments.
5883         (Output_section::Input_section::u2_): Add new union member poris.
5884         (Output_section::Checkpoint_output_section): New classs definition.
5885         (Output_section::relax_input_section): New method declaration.
5886         (Output_section::checkpoint_): New data member.
5887         (Output_segment): Update comments.
5888         (Output_segment::Output_segment): Un-privatize copy constructor.
5889         (Output_segment::operator=): Un-privatize.
5890         * script-sections.cc (Output_section_element::Input_section_list):
5891         Change element type to Output_section::Simple_input_section.
5892         (Output_section_element_dot_assignment::set_section_addresses):
5893         Register output section data for relaxation clean up.
5894         (Output_data_exression::Output_data_expression): Adjust call to base
5895         constructor to fix data size.
5896         (Output_section_element_data::set_section_addresses): Register
5897         Output_data_expression object for relaxation clean up.
5898         (struct Input_section_info): Replace Relobj pointer and section index
5899         pair with Output_section::Simple_input_section and Convert struct to a
5900         class.
5901         (Input_section_sorter::operator()): Adjust access to
5902         Input_section_info data member to use accessors.
5903         (Output_section_element_input::set_section_addresses): Use layout
5904         parameter.  Adjust code to use Output_section::Simple_input_section
5905         and Input_secction_info classes.  Register filler for relaxation
5906         clean up.
5907         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5908         and section index pair with Output_section::Simple_input_section
5909         class.  Adjust code accordingly.
5910         (Phdrs_element::release_segment): New method definition.
5911         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5912         segment list.
5913         (Script_sections::release_segments): New method definition.
5914         * gold/script-sections.h (Script_sections::release_segments): New
5915         method declaration.
5916         * gold/target.h (Target::may_relax, Target::relax,
5917         Target::do_may_relax, Target::do_relax): New method definitions.
5919 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5921         * arm.cc (has_signed_unsigned_overflow): New function.
5922         (Arm_relocate_functions::abs8): New function.
5923         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5924         (Target_arm::Scan::global): Likewise.
5925         (Target_arm::relocate::relocate): Likewise.
5926         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5927         Likewise.
5929 2009-09-16  Cary Coutant  <ccoutant@google.com>
5931         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5932         * testsuite/Makefile.in: Regenerate.
5934 2009-09-11  Nick Clifton  <nickc@redhat.com>
5936         * po/gold.pot: Updated by the Translation project.
5938 2009-09-08  Cary Coutant  <ccoutant@google.com>
5940         * output.cc (Output_file::open): Add execute permission to empty file.
5941         * testsuite/Makefile.am (permission_test): New test.
5942         * testsuite/Makefile.in: Regenerate.
5944 2009-09-02  Ian Lance Taylor  <iant@google.com>
5946         * output.cc (Output_file::resize): Call map_no_anonymous rather
5947         than map.
5949 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5951         * gold.cc: Include "incremental.h".
5952         (queue_initial_tasks): Call Incremental_checker methods.
5953         * incremental.cc: Include "output.h".
5954         (Incremental_checker::can_incrementally_link_output_file): New
5955         method.
5956         * incremental.h (Incremental_checker): New class.
5958         * output.cc (Output_file::open_for_modification): New method.
5959         (Output_file::map_anonymous): Changed return type to bool.  Record
5960         map in base_ field.
5961         (Output_file::map_no_anonymous): New method, broken out of map.
5962         (Output_file::map): Use map_no_anonymous and map_anonymous.
5963         * output.h (class Output_file): Update declarations.
5965 2009-08-24  Cary Coutant  <ccoutant@google.com>
5967         * options.h (Command_line::Pre_options): New class.
5968         (Command_line::pre_options): New member.
5969         * options.cc (gold::options::ready_to_register): New variable.
5970         (One_option::register_option): Do nothing if not registering options.
5971         Assert if same short option registered twice.
5972         (General_options::General_options): Turn off option registration when
5973         done constructing.
5974         (Command_line::Pre_options::Pre_options): New constructor.
5976 2009-08-24  Cary Coutant  <ccoutant@google.com>
5978         * options.h (General_options::no_keep_memory): Remove incorrect
5979         short option.
5981 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5983         * Makefile.am (am__skiplex, am__skipyacc): New.
5984         * Makefile.in: Regenerate.
5986 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5988         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5989         (INCLUDES): ... this.
5990         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5991         (AM_CPPFLAGS): Renamed from ...
5992         (INCLUDE): ... this.
5993         * Makefile.in, testsuite/Makefile.in: Regenerate.
5995         * Makefile.in: Regenerate.
5996         * aclocal.m4: Likewise.
5997         * config.in: Likewise.
5998         * configure: Likewise.
5999         * testsuite/Makefile.in: Likewise.
6001         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
6002         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
6003         * Makefile.in: Regenerate.
6004         * testsuite/Makefile.in: Regenerate.
6006 2009-08-19  Cary Coutant  <ccoutant@google.com>
6008         * resolve.cc (Symbol_table::resolve): Don't complain about defined
6009         symbols in shared libraries overridden by hidden or internal symbols
6010         in the main program.
6012 2009-08-19  Chris Demetriou  <cgd@google.com>
6014         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
6015         checking source file names in error messages.
6017 2009-08-18  Doug Kwan  <dougkwan@google.com>
6019         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
6020         an elcpp::Ehdr as parameter.  Adjust call to set_target.
6021         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
6022         an elfcpp::Ehdr as parameter.
6023         * object.cc (Object::set_target): Remove the version that looks up
6024         a target and sets it.
6025         (Sized_relobj::setup): Take a Target object instead of
6026         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
6027         (make_elf_sized_object): Find target and ask target to
6028         make an ELF object.
6029         * object.h: (Object::set_target): Remove the version that looks up
6030         a target and sets it.
6031         (Sized_relobj::setup): Take a Target object instead of
6032         an elfcpp:Ehdr as parameter.
6033         * target.cc: Include dynobj.h.
6034         (Target::do_make_elf_object_implementation): New.
6035         (Target::do_make_elf_object): New.
6036         * target.h (Target::make_elf_object): New template declaration.
6037         (Target::do_make_elf_object): New method declarations.
6038         (Target::do_make_elf_object_implementation): New template declaration.
6040 2009-08-14  Ian Lance Taylor  <iant@google.com>
6042         * gold.h (FUNCTION_NAME): Define.
6043         (gold_unreachable): Use FUNCTION_NAME.
6045 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
6047         * icf.cc (Icf::find_identical_sections): Issue a warning when a
6048         symbol in the --keep-unique list is not found.
6050 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
6052         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
6053         been maked as --keep-unique.
6054         (Icf::unfold_section): New function.
6055         * icf.h (Icf::unfold_section): New function.
6056         * options.h (General_options::keep_unique): New option.
6057         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
6058         * testsuite/Makefile.in: Regenerate.
6059         * testsuite/icf_keep_unique_test.sh: New file.
6060         * testsuite/icf_keep_unique_test.cc: New file.
6062 2009-08-12  Cary Coutant  <ccoutant@google.com>
6064         PR 10471
6065         * resolve.cc (Symbol_table::resolve): Check for references from
6066         dynamic objects to hidden and internal symbols.
6067         * testsuite/Makefile.am (hidden_test.sh): New test.
6068         * testsuite/Makefile.in: Regenerate.
6069         * testsuite/hidden_test.sh: New script.
6070         * testsuite/hidden_test_1.c: New test source.
6071         * testsuite/hidden_test_main.c: New test source.
6073 2009-08-11  Doug Kwan  <dougkwan@google.com>
6075         * arm.cc: Update comments.
6076         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
6077         segment to locate the .ARM.exidx section if present.
6079 2009-08-09  Doug Kwan  <dougkwan@google.com>
6081         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
6082         patch.
6084 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
6085         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
6086         compiler warnings.
6088 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
6090         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
6091         valid tls_segment only for non-debug-section relocations.
6092         * testsuite/Makefile.am: Add gc_tls_test.
6093         * testsuite/Makefile.in: Regenerate.
6094         * testsuite/gc_tls_test.cc: New file.
6095         * testsuite/gc_tls_test.sh: New file.
6097 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
6099         * icf.cc: New file.
6100         * icf.h: New file.
6101         * Makefile.am (CCFILES): Add icf.cc.
6102         (HFILES): Add icf.h
6103         * Makefile.in: Regenerate.
6104         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
6105         * gc.h (gc_process_relocs): Populate lists used by icf to contain
6106         section, symbol and addend information for the relocs.
6107         * gold.cc (queue_middle_tasks): Call identical code folding.
6108         * gold.h: Add defines for multimap.
6109         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
6110         to the call of finalize_local_symbols.
6111         * main.cc (main): Create object of class Icf.
6112         * object.cc (Sized_relobj::do_layout): Allow this function to be
6113         called twice during icf.
6114         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
6115         to sections marked as identical by icf.
6116         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
6117         when available.
6118         (Sized_relobj::do_section_entsize): New function.
6119         * object.h (Object::section_entsize): New function.
6120         (Object::do_section_entsize): New pure virtual function.
6121         (Relobj::finalize_local_symbols): Add new parameter.
6122         (Relobj::do_section_entsize): New function.
6123         * options.h (General_options::icf): New option.
6124         (General_options::icf_iterations): New option.
6125         (General_options::print_icf_sections): New option.
6126         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
6127         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
6128         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
6129         icf.
6130         * symtab.cc (Symbol_table::is_section_folded): New function.
6131         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
6132         to sections marked as identical by icf.
6133         * symtab.h (Symbol_table::set_icf): New function.
6134         (Symbol_table::icf): New function.
6135         (Symbol_table::is_section_folded): New function.
6136         (Symbol_table::icf_): New data member.
6137         * target-reloc.h (relocate_section): Ignore sections folded by icf.
6138         * testsuite/Makefile.am: Add commands to build icf_test.
6139         * testsuite/Makefile.in: Regenerate.
6140         * testsuite/icf_test.sh: New file.
6141         * testsuite/icf_test.cc: New file.
6143 2009-07-24  Chris Demetriou  <cgd@google.com>
6145         * layout.cc (is_compressible_debug_section): Fix incorrect
6146         comment about compressed section names.
6148 2009-07-20  Ian Lance Taylor  <ian@airs.com>
6150         PR 10419
6151         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
6153 2009-07-16  Ian Lance Taylor  <iant@google.com>
6155         PR 10400
6156         * layout.h: #include <map>.
6157         (class Kept_section): Change from struct to class.  Add accessors
6158         and setters.  Add section size to Comdat_group mapping.  Change
6159         Comdat_group to std::map.  Add is_comdat_ field.  Add
6160         linkonce_size field in union.
6161         (class Layout): Update declaration of find_or_add_kept_section.
6162         Don't declare find_kept_object.
6163         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
6164         parameter.  Add object, shndx, is_comdat, and is_group_name
6165         parameters.  Change all callers.  Adjust for new Kept_section.
6166         (Layout::find_kept_object): Remove.
6167         * object.cc (Sized_relobj::include_section_group): Update use of
6168         Kept_section.  Rename secnum to shndx.  Only record
6169         Kept_comdat_section if sections are the same size.
6170         (Sized_relobj::include_linkonce_section): Update use of
6171         Kept_section.  Only record Kept_comdat_section if sections are the
6172         same size.  Set size of linkonce section.
6173         (Sized_relobj::map_to_kept_section): Update call to
6174         get_kept_comdat_section.
6175         * object.h (class Sized_relobj): Rename fields in
6176         Kept_comdat_section to drop trailing underscores; change object
6177         field to Relobj*.  Change Kept_comdat_section_table to store
6178         struct rather than pointer.
6179         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
6180         Add kept_object and kept_shndx parameters.  Change all callers.
6181         (Sized_relobj::get_kept_comdat_section): Change return type to
6182         bool.  Add kept_object and kept_shndx parameters.  Change all
6183         callers.
6184         * plugin.cc (Pluginobj::include_comdat_group): Update call to
6185         Layout::find_or_add_kept_section.
6187 2009-07-09  Ian Lance Taylor  <iant@google.com>
6189         * merge.cc (Object_merge_map::initialize_input_to_output_map):
6190         Reserve space in the hash table.
6192 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
6194         * fileread.cc (File_read::get_mtime): New method.
6195         * fileread.h (Timespec): New structure.
6196         (File_read::get_mtime): New method.
6197         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
6198         Renamed from timestamp_nsec.
6199         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
6200         Elf_Xword.
6201         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
6202         timestamp_nsec.
6203         (Incremental_inputs::report_archive): Save mtime; style fix.
6204         (Incremental_inputs::report_obejct): Save mtime; style fix.
6205         (Incremental_inputs::report_script): Save mtime; style fix.
6206         (Incremental_inputs::finalize_inputs): Style fix.
6207         (Incremental_inputs::finalize): Style fix.
6208         (Incremental_inputs::create_input_section_data): Store inputs
6209         mtime.
6210         * incremental.h (Incremental_inputs::report_script): Add mtime
6211         argument.
6212         (Incremental_inputs::Input_info::Input_info): Intialize only one
6213         union member.
6214         (Incremental_inputs::Input_info::archive): Move to nameless
6215         union.
6216         (Incremental_inputs::Input_info::obejct): Move to nameless union.
6217         (Incremental_inputs::Input_info::script): Move to nameless union.
6218         (Incremental_inputs::mtime): New field.
6219         * script.cc (read_input_script): Pass file mtime to
6220         Incremental_input.
6221         * script.h (Script_info::inputs): Style fix.
6223 2009-07-01  Ian Lance Taylor  <ian@airs.com>
6225         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
6226         instead of 32.
6228 2009-06-24  Ian Lance Taylor  <iant@google.com>
6230         PR 10156
6231         * layout.cc (Layout::choose_output_section): If we find an
6232         existing section, update the flags.
6233         (Layout::create_notes): New function, broken out of
6234         Layout::finalize.
6235         (Layout::finalize): Don't create note sections.
6236         (Layout::create_note): Don't crash if linker script discards
6237         section.
6238         (Layout::create_gold_note): Likewise.
6239         (Layout::create_build_id): Likewise.  Don't set
6240         after_input_sections on the section.
6241         (Layout::create_executable_stack_info): Remove target parameter.
6242         Change caller.
6243         * layout.h (class Layout): Declare create_notes.  Update
6244         declaration of create_executable_stack_info.
6245         * gold.cc (queue_middle_tasks): Call create_notes.
6246         * output.cc (Output_section::update_flags_for_input_section): Move
6247         here from output.h.  If SHF_ALLOC flag is newly set, mark address
6248         invalid.
6249         * output.h (Output_data::mark_address_invalid): New function.
6250         (class Output_section): Only declare, not define,
6251         update_flags_for_input_section.  Remove set_flags.
6253 2009-06-24  Ian Lance Taylor  <iant@google.com>
6255         * script-sections.cc (Output_section_definition::
6256         set_section_addresses): Rename shadowing local load_address to
6257         laddr.
6259 2009-06-24  Ian Lance Taylor  <iant@google.com>
6261         PR 10244
6262         * reloc.cc (relocate_sections): Skip empty relocation sections.
6264 2009-06-23  Ian Lance Taylor  <iant@google.com>
6266         PR 10156
6267         * layout.cc (Layout::create_note): Use choose_output_section
6268         rather than make_output_section.
6270 2009-06-23  Ian Lance Taylor  <iant@google.com>
6272         PR 10237
6273         * options.cc (General_options::parse_V): Set printed_version_.
6274         (General_options::General_options): Initialize printed_version_.
6275         * options.h (class General_options): Add printed_version_ field.
6276         * gold.cc (queue_initial_tasks): If there are no input files,
6277         don't give a fatal error if we printed the version information.
6278         (queue_middle_tasks): If using -r with a shared object, give a
6279         fatal error rather than an ordinary error.
6281 2009-06-23  Ian Lance Taylor  <iant@google.com>
6283         PR 10219
6284         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
6285         (Layout::make_output_section): Set have_stabstr_section_ if we see
6286         a .stab*str section.
6287         (Layout::finalize): Call link_stabs_sections.
6288         (Layout::link_stabs_sections): New file.
6289         * layout.h (class Layout): Add have_stabstr_section_ field.
6290         Declare link_stabs_sections.
6292 2009-06-23  Doug Kwan  <dougkwan@google.com>
6294         * Makefile.am (libgold_a_LIBADD): New.
6295         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6296         * Makefile.in: Regenerate.
6297         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6298         * configure: Regenerate.
6299         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6300         * fileread.cc: Include sys/state.h
6301         * gold.h: Declare memmem and strndup if found missing.
6302         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6304 2009-06-23  Ian Lance Taylor  <iant@google.com>
6306         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6307         * configure: Rebuild.
6309 2009-06-23  Ian Lance Taylor  <iant@google.com>
6311         PR 10147
6312         * object.cc (Object::section_contents): Don't try to get a view if
6313         the section has length zero.
6314         (Object::handle_gnu_warning_section): If the section is empty, use
6315         the name of the section as the warning.
6317 2009-06-23  Ian Lance Taylor  <iant@google.com>
6319         PR 10133
6320         * stringpool.h (class Stringpool_template): Add optimize_ field.
6321         (Stringpool_template::set_optimize): New function.
6322         * stringpool.cc (Stringpool_template::Stringpool_template):
6323         Initialize optimize_ field.
6324         (Stringpool_template::set_string_offsets): Test local optimize
6325         fild rather than parameter.
6326         * layout.cc (Layout::Layout): Call set_optimize on the section
6327         name stringpool.
6329 2009-06-22  Ian Lance Taylor  <iant@google.com>
6331         PR 10030
6332         * yyscript.y: Parse TARGET.
6333         * script.cc (script_set_target): New function.
6334         * script-c.h (script_set_target): Declare.
6335         * options.cc (General_options::string_to_object_format): Rename
6336         from string_to_object_format in anonymous namespace.  Change
6337         callers.
6338         * options.h (class General_options): Declare
6339         string_to_object_format.
6341 2009-06-22  Ian Lance Taylor  <iant@google.com>
6343         * script-sections.cc (Script_sections::create_segments): Don't put
6344         program headers in a PT_LOAD segment if -n or -N.
6346 2009-06-22  Ian Lance Taylor  <iant@google.com>
6348         PR 10141
6349         * options.h (class General_options): Add -z lazy and -z now.  Sort
6350         -z options into alphabetical order.
6351         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6353 2009-06-21  Ian Lance Taylor  <iant@google.com>
6355         * layout.cc (Layout::make_output_section): Call
6356         Target::new_output_section.
6357         (Layout::attach_allocated_section_to_segment): Put large section
6358         sections in a separate load segment with the large segment flag
6359         set.
6360         (Layout::segment_precedes): Sort large data segments after other
6361         load segments.
6362         (align_file_offset): New static function.
6363         (Layout::set_segment_offsets): Use align_file_offset.
6364         * output.h (class Output_section): Add is_small_section_ and
6365         is_large_section_ fields.
6366         (Output_section::is_small_section): New function.
6367         (Output_section::set_is_small_section):  New function.
6368         (Output_section::is_large_section): New function.
6369         (Output_section::set_is_large_section): New function.
6370         (Output_section::is_large_data_section): New function.
6371         (class Output_segment): Add is_large_data_segment_ field.
6372         (Output_segment::is_large_data_segment): New function.
6373         (Output_segment::set_is_large_data_segment): New function.
6374         * output.cc (Output_section::Output_section): Initialize new
6375         fields.
6376         (Output_segment::Output_segment): Likewise.
6377         (Output_segment::add_output_section): Add assertion that large
6378         data sections always go in large data segments.  Force small data
6379         sections to the end of the list of data sections.  Force small BSS
6380         sections to the start of the list of BSS sections.  For large BSS
6381         sections to the end of the list of BSS sections.
6382         * symtab.h (class Symbol): Declare is_common_shndx.
6383         (Symbol::is_defined): Check Symbol::is_common_shndx.
6384         (Symbol::is_common): Likewise.
6385         (class Symbol_table): Define enum Commons_section_type.  Update
6386         declarations.  Add small_commons_ and large_commons_ fields.
6387         * symtab.cc (Symbol::is_common_shndx): New function.
6388         (Symbol_table::Symbol_table): Initialize new fields.
6389         (Symbol_table::add_from_object): Put small and large common
6390         symbols in the right list.
6391         (Symbol_table::sized_finalized_symbol): Check
6392         Symbol::is_common_shndx.
6393         (Symbol_table::sized_write_globals): Likewise.
6394         * common.cc (Symbol_table::do_allocate_commons): Allocate new
6395         common symbol lists.  Don't call do_allocate_commons_list if the
6396         list is empty.
6397         (Symbol_table::do_allocate_commons_list): Remove is_tls
6398         parameter.  Add comons_section_type parameter.  Change all
6399         callers.  Handle small and large common symbols.
6400         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
6401         Symbol::is_common_shndx.
6402         * resolve.cc (symbol_to_bits): Likewise.
6403         * target.h (Target::small_common_shndx): New function.
6404         (Target::small_common_section_flags): New function.
6405         (Target::large_common_shndx): New function.
6406         (Target::large_common_section_flags): New function.
6407         (Target::new_output_section): New function.
6408         (Target::Target_info): Add small_common_shndx, large_common_shndx,
6409         small_common_section_flags, and large_common_section_flags
6410         fields.
6411         (Target::do_new_output_section): New virtual function.
6412         * arm.cc (Target_arm::arm_info): Initialize new fields.
6413         * i386.cc (Target_i386::i386_info): Likewise.
6414         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6415         Likewise.
6416         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
6417         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6418         (Target_x86_64::do_new_output_section): New function.
6419         * configure.ac: Define conditional MCMODEL_MEDIUM.
6420         * testsuite/Makefile.am (check_PROGRAMS): Add large.
6421         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
6422         (large_LDFLAGS): Define.
6423         * testsuite/large.c: New file.
6424         * testsuite/testfile.cc (Target_test::test_target_info):
6425         Initialize new fields.
6426         * configure, testsuite/Makefile.in: Rebuild.
6428 2009-06-05  Doug Kwan  <dougkwan@google.com>
6430         * Makefile.am (CCFILES): Add target.cc.
6431         * Makefile.in: Regenerate.
6432         * i386.cc (class Target_i386): Define new virtual method to
6433         override do_is_local_label_name in parent.
6434         * object.cc (Sized_relobj::do_count_local_symbols): Discard
6435         local symbols if --discard-locals or -X is given.
6436         * options.h (class General_options): Declare new options
6437         '--discard-locals' and '-X' for discarding locals.
6438         * target.h (class Target): Define new methods is_local_label_name.
6439         Declare new virtual method do_is_local_label_name.
6440         * target.cc: New file.
6441         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
6442         (check_SCRIPTS): Add discard_locals_test.sh.
6443         (check_DATA): Add discard_local_tests.syms.
6444         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
6445         (discard_local_tests.syms, discard_locals_test.o): New make rules.
6446         * testsuite/Makefile.in: Regenerate.
6447         * testsuite/discard_locals_test.c: New file.
6448         * testsuite/discard_locals_test.sh: Same.
6450 2009-06-05  Doug Kwan  <dougkwan@google.com>
6452         * object.cc (Sized_relobj::Sized_relobj): Initialize
6453         discarded_eh_frame_shndx_ to -1U.
6454         (Sized_relobj::do_layout): Record index of a discard .eh_frame
6455         section.
6456         (Sized_relobj::do_count_local_symbols): Skip local symbols in
6457         a discarded .eh_frame section.
6458         (Sized_relobj::do_finalize_local_symbols): Ditto.
6459         * object.h (class Sized_relobj): Declare new member
6460         discarded_eh_frame_shndx_.
6461         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
6462         (local_labels_test.o, local_labels_test): New rules.
6463         * testsuite/Makefile.in: Regenerate.
6465 2009-06-04  Doug Kwan  <dougkwan@google.com>
6467         * layout.cc (Layout::section_name_mapping): Add mapping for
6468         special ARM sections.
6470 2009-06-03  Doug Kwan  <dougkwan@google.com>
6472         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
6473         (utils::has_overflow): Same.
6475 2009-06-03  Ian Lance Taylor  <iant@google.com>
6477         * layout.cc (Layout::section_name_mapping): New array, replacing
6478         Layout::linkonce_mapping.
6479         (Layout::section_name_mapping_count): New variable, replacing
6480         Layout::linkonce_mapping_count.
6481         (Layout::linkonce_output_name): Remove.
6482         (Layout::output_section_name): Rewrite.
6483         * layout.h (class Layout): Rename Linkonce_mapping to
6484         Section_name_mapping, linkonce_mapping to section_name_mapping,
6485         linkonce_mapping_count to section_name_mapping_count.  Don't
6486         declare linkonce_output_name.
6488 2009-06-03  Doug Kwan  <dougkwan@google.com>
6490         * gold/arm.cc (namespace utils): New.
6491         (Target_arm::reloc_is_non_pic): Define new method.
6492         (class Arm_relocate_functions): New.
6493         (Target_arm::Relocate::relocate): Handle relocation types used by
6494         Android.
6496 2009-06-03  Ian Lance Taylor  <iant@google.com>
6498         * arm.cc (Target_arm::scan::global): Use || instead of |.
6500 2009-06-02  Doug Kwan  <dougkwan@google.com>
6502         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
6503         issued_non_pic_error_.
6504         (class Target_arm::Scan): Declare new method check_non_pic.
6505         Define new method symbol_needs_plt_entry.
6506         Declare new data member issued_non_pic_error_.
6507         (class Target_arm::Relocate): Declare new method
6508         should_apply_static_reloc.
6509         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
6510         (Target_arm::Scan::check_non_pic): Define new method.
6511         (Target_arm::Scan::local): Handle a small subset of reloc types used
6512         by Android.
6513         (Target_arm::Scan::local): Same.
6514         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
6516 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
6518         * incremental.cc (Incremental_inputs::report_command_line): Filter
6519         out --incremental-* options.
6521 2009-05-29  Doug Kwan  <dougkwan@google.com>
6523         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
6524         template class.
6525         (class Target_arm): Update comment.
6526         (Target_arm::Target_arm): Initialize new data members GOT_,
6527         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
6528         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
6529         and Target_arm::rel_dyn_section.
6530         Declare new_enum Target_arm::Got_type.
6531         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
6532         and DYNBSS_.
6533         Update commments for member do_dynsym_value.
6534         (Target_arm::got_size, Target_arm::plt_section,
6535         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
6536         new methods inside class defintion.
6537         (Target_arm::got_section): Define new method.
6538         (Target_arm::rel_dyn_section): Same.
6539         (Output_data_plt_arm): New template class.
6540         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
6541         (Output_data_plt_arm:do_adjust_output_section): Define new method.
6542         (Output_data_plt_arm::add_entry): Same.
6543         (Output_data_plt_arm::first_plt_entry): Define new
6544         static data member for PLT instruction template.
6545         (Output_data_plt_arm::plt_entry): Same.
6546         (Output_data_plt_arm::do_write): Define new method.
6547         (Target_arm::make_plt_entry): Same.
6548         (Target_arm::do_finalize_sections): Same.
6549         (Target_arm::do_dynsym_value): Same.
6551 2009-05-28  Doug Kwan  <dougkwan@google.com>
6553         * Makefile.am (TARGETSOURCES): Add arm.cc.
6554         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6555         * Makefile.in: Regenerate.
6556         * arm.cc: New file.
6557         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6559 2009-05-26  Doug Kwan  <dougkwan@google.com>
6561         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6562         (General_options::check_excluded_libs): Strip off directories in
6563         archive name before matching like GNU ld does.
6564         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6565         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6566         (exclude_libs_test_LDFLAGS): Add linker option
6567         -Wl,--exclude-libs,libexclude_libs_test_3
6568         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6569         an explicit archive without using -l.
6570         (alt/libexclude_libs_test_3.a): New make rule.
6571         * testsuite/Makefile.in: Regenerate.
6572         * testsuite/exclude_libs_test.c : Declare lib3_default().
6573         (main): Call it.
6574         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6575         * exclude_libs_test_3.c: New file.
6577 2009-05-26  Nick Clifton  <nickc@redhat.com>
6579         * po/id.po: New Indonesian translation.
6580         * po/gold.pot: Updated template file.
6582 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6584         * testsuite/Makefile.am: Add -ffunction-sections to compile
6585         gc_comdat_test files.  Add -Wl,--gc-sections to build
6586         gc_comdat_test.
6587         * testsuite/Makefile.in: Regenerate.
6588         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6590 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6592         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6593         kept comdat section was garbage collected.
6594         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6595         * testsuite/Makefile.in: Regenerate.
6596         * testsuite/gc_comdat_test.sh: New file.
6597         * testsuite/gc_comdat_test_1.cc: New file.
6598         * testsuite/gc_comdat_test_2.cc: New file.
6600 2009-05-19  Doug Kwan  <dougkwan@google.com>
6602         * archive.cc (Archive::Archive): Move constructor from archive.h
6603         to here.  Initialize no_export_.
6604         (Archive::get_elf_object_for_member): Set no_export flag of object.
6605         * archive.h (Archive::Archive): Move constructor body to
6606         archive.cc.
6607         (Archive::no_export): New method.
6608         (Archive::no_export_): New field.
6609         * object.h (Object::Object): Initialize no_export_ to false.
6610         (Object::no_export, Object::set_no_export): New methods.
6611         (Object::no_export_): New field.
6612         * options.cc (General_options::parse_exclude_libs): New method.
6613         (General_options::check_excluded_libs) Same.
6614         * options.h (exclude_libs): New option.
6615         (General_options::check_excluded_libs): New method declaration.
6616         (General_options::excluded_libs_): New field.
6617         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6618         default or protected visibility if an object has no-export flag set.
6619         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6620         (check_SCRIPTS): Add exclude_libs_test.sh.
6621         (check_DATA): Add exclude_libs_test.syms.
6622         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6623         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6624         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6625         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6626         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6627         libexclude_libs_test_2.a): New rules.
6628         * testsuite/Makefile.in: Regenerate.
6629         * testsuite/exclude_libs_test.c: New file.
6630         * testsuite/exclude_libs_test.sh: Ditto.
6631         * testsuite/exclude_libs_test_1.c: Ditto.
6632         * testsuite/exclude_libs_test_2.c: Ditto.
6634 2009-05-15  Ian Lance Taylor  <iant@google.com>
6636         * configure.ac: Check for declarations for cases where libiberty.h
6637         checks HAVE_DECL_xxx.
6638         * configure, config.in: Rebuild.
6640 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6642         * gold.h (Incremental_argument_list): Remove (invalid) forward
6643         declaration.
6644         * incremental.cc (Incremental_inputs::report_achive): New method.
6645         (Incremental_inputs::report_object): New method.
6646         (Incremental_inputs::report_script): New method.
6647         (Incremental_inputs::finalize_inputs): New method.
6648         (Incremental_inputs::finalize): Call finalize_inputs().
6649         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6650         Create inputs entries.
6651         * incremental.h (Incremental_input_type): New enum.
6652         (Incremental_inputs::Incremental_input): Initialize new fields.
6653         (Incremental_inputs::report_inputs): New method.
6654         (Incremental_inputs::report_achive): New method.
6655         (Incremental_inputs::report_object): New method.
6656         (Incremental_inputs::report_script): New method.
6657         (Incremental_inputs::finalize_inputs): New method.
6658         (Incremental_inputs::Input_info): New struct.
6659         (Incremental_inputs::Input_info_map): New typedef.
6660         (Incremental_inputs::lock_): New field.
6661         (Incremental_inputs::Inputs_): New field.
6662         (Incremental_inputs::Inputs_map): New field.
6663         * main.cc (main): Call Incremental_input::report_inputs.
6664         * options.h (Input_argument_list): Typedef moved from
6665         Input_arguments.
6666         (Input_file_group::Files): Remove, use ::Input_argument_list.
6667         (Input_file_group::Input_argument_list): Remove, use
6668         ::Input_argument_list.
6669         * plugin.cc (Plugin_manager::add_input_file): Add error in
6670         incremental build.
6671         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6672         functions.
6673         * script.cc (read_input_script): Call
6674         Incremental_input::report_script.
6675         * script.h (Script_info): New class.
6677 2009-04-27  Ian Lance Taylor  <iant@google.com>
6679         * x86_64.cc (do_adjust_output_section): Set entsize to
6680         plt_entry_size.
6682 2009-04-23  Elliott Hughes  <enh@google.com>
6684         * output.cc (Output_file::close): After short writes, continue
6685         writing from the correct offset in the buffer being written.
6687 2009-04-23  Chris Demetriou  <cgd@google.com>
6689         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6690         * configure: Regenerate.
6691         * config.in: Regenerate.
6692         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6693         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6695 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6697         * incremental.cc (Incremental_inputs_header_data): Renamed from
6698         Incremental_input_header_data.
6699         (Incremental_inputs_header_data::data_size): New field.
6700         (Incremental_inputs_header_data::put_input_file_count): Renamed
6701         from input_file_count.
6702         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6703         from command_line_offset.
6704         (Incremental_inputs_header_data::put_reserved): Renamed from
6705         put_reserved.
6706         (Incremental_inputs_entry_data): Renamed from
6707         Incremental_input_entry_data.
6708         (Incremental_inputs_entry_data::data_size): New field.
6709         (Incremental_inputs::report_command_line): New method.
6710         (Incremental_inputs::finalize): New method.
6711         (Incremental_inputs::create_incremental_inputs_data): New method.
6712         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6713         * incremental.h: New file.
6714         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6715        (Layout::finalize): Create incremental inputs section in
6716         incremental builds.
6717        (Layout::create_incremental_info_sections): New method.
6718         * layout.h (Layout::incremental_inputs): New method.
6719        (Layout::create_incremental_info_sections): New method.
6720        (Layout::incremental_inputs_): New field.
6721         * main.cc (main): Notify Incremental_input of the command line.
6723 2009-04-01  Ian Lance Taylor  <iant@google.com>
6724             Mikolaj Zalewski  <mikolajz@google.com>
6726         * gold.h (reserve_unordered_map): Define, three versions, one for
6727         each version of Unordered_map.
6728         * layout.cc (Layout::Layout): Remove options parameter.  Add
6729         number_of_input_files parameter.  Don't initialize options_.
6730         Initialize number_of_input_files_ and resized_signatures_.  Move
6731         sections_are_attached_.
6732         (Layout::layout_group): Reserve space for group_signatures_.
6733         (Layout::find_or_add_kept_section): Change name parameter to be a
6734         reference.  Resize signatures_ map when it gets large enough.
6735         (Layout::layout_eh_frame): Use parameters->options() instead of
6736         this->options_.
6737         (Layout::make_output_section): Likewise.
6738         (Layout::attach_allocated_section_to_segment): Likewise.
6739         (Layout::finalize, Layout::create_executable_stack): Likewise.
6740         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6741         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6742         * layout.h (class Layout): Update declarations.  Remove options_
6743         field.  Add number_of_input_files_ and resized_signatures_
6744         fields.  Move sections_are_attached_ field.
6745         * main.cc (main): Pass number of input files to Layout
6746         constructor.  Don't pass options.
6748 2009-03-30  Ian Lance Taylor  <iant@google.com>
6750         * ffsll.c (ffsll): Correct implementation.
6752 2009-03-27  Ian Lance Taylor  <iant@google.com>
6754         * ffsll.c: New file.
6755         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6756         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6757         * ftruncate.c (ftruncate): Declare before definition.
6758         * mremap.c (mremap): Likewise.
6759         * pread.c (pread): Likewise.
6760         * configure, Makefile.in, config.in: Rebuild.
6762         * mremap.c: New file.
6763         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6764         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6765         (mremap): Declare if HAVE_MREMAP is not defined.
6766         * configure, Makefile.in, config.in: Rebuild.
6768 2009-03-27  Cary Coutant  <ccoutant@google.com>
6770         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6771         position independent.
6772         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6773         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6775 2009-03-24  Cary Coutant  <ccoutant@google.com>
6777         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6778         an executable.
6779         (needs_dynamic_reloc): Likewise.
6781 2009-03-24  Ian Lance Taylor  <iant@google.com>
6783         * yyscript.y (file_cmd): Recognize EXTERN.
6784         (extern_name_list, extern_name_list_body): New nonterminals.
6785         * script.cc (script_add_extern): Define.
6786         * script-c.h (script_add_extern): Declare.
6788 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6790         * object.cc (is_elf_object): Define.
6791         * object.h (is_elf_object): Declare.
6792         * archive.cc (Archive::get_elf_object_for_member): Call
6793         is_elf_object.
6794         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6796 2009-03-24  Elliott Hughes  <enh@google.com>
6798         * output.cc (Output_file::map_anonymous): Define.
6799         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6800         try an anonymous one.  Report the size if the mmap fails.
6801         * output.h (class Output_file): Declare map_anonymous.
6803 2009-03-24  Ian Lance Taylor  <iant@google.com>
6805         * target-select.cc (instantiate_target): Don't acquire the lock if
6806         the instantiated_target_ field has already been set.
6808 2009-03-23  Ian Lance Taylor  <iant@google.com>
6810         * gold-threads.h (class Initialize_lock): Define.
6811         * gold-threads.cc (class Initialize_lock_once): Define.
6812         (initialize_lock_control): New static variable.
6813         (initialize_lock_pointer): New static variable.
6814         (initialize_lock_once): New static function.
6815         (Initialize_lock::Initialize_lock): Define.
6816         (Initialize_lock::initialize): Define.
6817         * target-select.h: Include "gold-threads.h".
6818         (class Target_selector): Add lock_ and initialize_lock_ fields.
6819         Don't define instantiate_target, just declare it.
6820         * target-select.cc (Target_selector::Target_selector): Initialize
6821         new fields.
6822         (Target_selector::instantiate_target): Define.
6823         * descriptors.h: Include "gold-threads.h".
6824         (class Descriptors): Add initialize_lock_ field.
6825         * descriptors.cc (Descriptors::Descriptors): Initialize new
6826         field.
6827         (Descriptors::open): Use initialize_lock_ field
6828         * errors.h (class Errors): Add initialize_lock_ field.
6829         * errors.cc (Errors::Errors): Initialize new field.
6830         (Errors::initialize_lock): Use initialize_lock_ field.
6831         * powerpc.cc (class Target_selector_powerpc): Remove
6832         instantiated_target_ field.  In do_recognize call
6833         instantiate_target rather than do_instantiate_target.  In
6834         do_instantiate_target just allocate a new target.
6835         * sparc.cc (class Target_selector_sparc): Likewise.
6837         * freebsd.h: New file.
6838         * i386.cc: Include "freebsd.h".
6839         (Target_i386): Derive from Target_freebsd rather than
6840         Sized_target.
6841         (Target_selector_i386): Derive from Target_selector_freebsd rather
6842         than Target_selector.
6843         * x86_64.cc: Include "freebsd.h".
6844         (Target_x86_64): Derive from Target_freebsd rather than
6845         Sized_target.
6846         (Target_selector_x86_64): Derive from Target_selector_freebsd
6847         rather than Target_selector.
6848         * target.h (class Target): Add adjust_elf_header and
6849         do_adjust_elf_header.
6850         * output.cc (Output_file_header:: do_sized_write): Call target
6851         adjust_elf_header routine.
6852         * configure.tgt: Set targ_osabi.
6853         * configure.ac: Define GOLD_DEFAULT_OSABI.
6854         * parameters.cc (Parameters::default_target): Pass
6855         GOLD_DEFAULT_OSABI to select_target.
6856         * target-select.h (class Target_selector): Make instantiate_target
6857         protected rather than private.
6858         * Makefile.am (HFILES): Add freebsd.h.
6859         * configure, Makefile.in, config.in: Rebuild.
6861         * merge.cc (do_add_input_section): Correct pend value.  Change
6862         message about last entry not being null terminated from error to
6863         warning.
6865 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6867         * incremental.cc: New file.
6868         * Makefile.am (CCFILES): Add incremental.cc.
6869         * Makefile.in: Rebuild.
6871 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6873         * layout.cc (Layout::output_section_name): Preserve names
6874         of '.note.' sections.
6876 2009-03-19  Ian Lance Taylor  <iant@google.com>
6878         * descriptors.cc (Descriptors::open): Check that the options are
6879         valid before using them.
6881 2009-03-18  Ian Lance Taylor  <iant@google.com>
6883         * script-sections.h: Include <list>.
6884         (class Script_sections): Change Sections_elements from std::vector
6885         to std::list.  Typedef public Elements_iterator.  Add
6886         orphan_section_placement_, data_segment_align_start_, and
6887         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6888         field.
6889         * script-sections.cc (class Orphan_section_placement): New class.
6890         (class Sections_element): Add virtual functions is_relro and
6891         orphan_section_init.  Remove virtual function place_orphan_here.
6892         (class Output_section_definition): Add is_relro and
6893         orphan_section_init.  Remove place_orphan_here.
6894         (class Orphan_output_section): Likewise.
6895         (Script_sections::Script_sections): Update for field changes.
6896         (Script_sections::data_segment_align): Set saw_data_segment_align_
6897         and data_segment_align_start_, not data_segment_align_index.
6898         (Script_sections::data_segment_relro_end): Check
6899         saw_data_segment_align_.  Use data_segment_align_start_ rather
6900         than data_segment_align_index_.
6901         (Script_sections::place_orphan): Rewrite to use
6902         Orphan_section_placement.
6904 2009-03-17  Ian Lance Taylor  <iant@google.com>
6906         * archive.cc (Archive::add_symbols): Check for a version attached
6907         to the symbol name in the archive map.
6908         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6909         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6910         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6911         (ver_test_11.a): New target.
6912         * testsuite/Makefile.in: Rebuild.
6914         * configure.ac: Check for chsize and posix_fallocate.  Replace
6915         ftruncate.
6916         * ftruncate.c: New file, from gnulib.
6917         * output.cc (posix_fallocate): Define dummy version if not
6918         HAVE_POSIX_FALLOCATE.
6919         (Output_file::map): Call posix_fallocate rather than lseek and
6920         write.
6921         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6922         * configure, Makefile.in, config.in: Rebuild.
6924 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6926         * layout.h (Layout::create_note): Add section_name parameter.
6927         * layout.cc (Layout::create_note): Likewise.
6928         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6930 2009-03-17  Ian Lance Taylor  <iant@google.com>
6932         * descriptors.cc: Include "options.h".
6933         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6934         (Descriptors::open): Always use O_CLOEXEC when opening a new
6935         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6936         then set FD_CLOEXEC.
6938         * sparc.cc (class Target_sparc): Add has_got_section.
6939         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6940         make sure we have a GOT section.
6942         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6943         (Target_sparc::Scan::local): Likewise.
6944         (Target_sparc::Scan::global): Likewise.
6945         (Target_sparc::Relocate::relocate): Likewise.
6946         (Target_sparc::Relocate::relocate_tls): Likewise.
6948         * symtab.cc (Symbol_table::define_default_version): New function,
6949         broken out of add_from_object.
6950         (Symbol_table::add_from_object): Call define_default_version.
6951         (Symbol_table::define_special_symbol): Add resolve_oldsym
6952         parameter.  Change all callers.  If the version for a symbol comes
6953         from a version script, resolve it with the symbol with the same
6954         name with no version.  Also add the symbol without a version if
6955         appropriate.
6956         (do_define_in_output_data): If resolving with oldsym, don't delete
6957         sym.
6958         (do_define_in_output_segment): Likewise.
6959         (do_define_as_constant): Likewise.
6960         * symtab.h (class Symbol_table): Update declarations.
6962 2009-03-13  Ian Lance Taylor  <iant@google.com>
6964         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6965         (Read_symbols::requeue): New function.
6966         (Read_symbols::do_read_symbols): If make_elf_object fails because
6967         the target type is not configured, and the file was searched for,
6968         issue a warning and retry with the next directory.
6969         (Add_symbols::run): If the file has an incompatible format, and
6970         it was searched for, requeue the Read_symbols task.  On error,
6971         release the object.
6972         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6973         dirindex parameter to constructor.  Change all callers.  Declare
6974         incompatible_warning and requeue.
6975         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6976         input_argument_ and input_group_ fields.  Add them to
6977         constructor.  Change all callers.
6978         (class Read_script): Add dirindex_ field.  Add it to constructor.
6979         Change all callers.
6980         * archive.cc (Archive::setup): Remove input_objects parameter.
6981         Change all callers.
6982         (Archive::get_file_and_offset): Likewise.
6983         (Archive::read_all_symbols): Likewise.
6984         (Archive::read_symbols): Likewise.
6985         (Archive::get_elf_object_for_member): Remove input_objects
6986         parameter.  Add punconfigured parameter.  Change all callers.
6987         (Archive::add_symbols): Change return type to bool.  Check return
6988         value of include_member.
6989         (Archive::include_all_members): Likewise.
6990         (Archive::include_member): Change return type to bool.  Return
6991         false if first included object has incompatible target.  Set
6992         included_member_ field.
6993         (Add_archive_symbols::run): If add_symbols returns false, requeue
6994         Read_symbols task.
6995         * archive.h (class Archive): Add included_member_ field.
6996         Initialize it in constructor.  Add input_file and searched_for
6997         methods.  Update declarations.
6998         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6999         input_argument_ fields.  Add them to constructor.  Change all
7000         callers.
7001         * script.cc: Include "target-select.h".
7002         (class Parser_closure): Add skip_on_incompatible_target_ and
7003         found_incompatible_target_ fields.  Add
7004         skip_on_incompatible_target parameter to constructor.  Change all
7005         callers.  Add methods skip_on_incompatible_target,
7006         clear_skip_on_incompatible_target, found_incompatible_target, and
7007         set_found_incompatible_target.
7008         (read_input_script): Add dirindex parameter.  Change all callers.
7009         If parser finds an incompatible target, requeue Read_symbols
7010         task.
7011         (script_set_symbol): Clear skip_on_incompatible_target in
7012         closure.
7013         (script_add_assertion, script_parse_option): Likewise.
7014         (script_start_sections, script_add_phdr): Likewise.
7015         (script_check_output_format): New function.
7016         * script.h (read_input_script): Update declaration.
7017         * script-c.h (script_check_output_format): Declare.
7018         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
7019         (ignore_cmd): Remove OUTPUT_FORMAT.
7020         * fileread.cc (Input_file::Input_file): Add explicit this.
7021         (Input_file::will_search_for): New function.
7022         (Input_file::open): Add pindex parameter.  Change all callers.
7023         * fileread.h (class Input_file): Add input_file_argument method.
7024         Declare will_search_for.  Update declarations.
7025         * object.cc (make_elf_object): Add punconfigured parameter.
7026         Change all callers.
7027         * object.h (class Object): Make input_file public.  Add
7028         searched_for method.
7029         (make_elf_object): Update declaration.
7030         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
7031         restart search.
7032         * dirsearch.h (class Dirsearch): Update declaration.
7033         * options.h (class General_options): Add --warn-search-mismatch.
7034         * parameters.cc (Parameters::is_compatible_target): New function.
7035         * parameters.h (class Parameters): Declare is_compatible_target.
7036         * workqueue.cc (Workqueue::add_blocker): New function.
7037         * workqueue.h (class Workqueue): Declare add_blocker.
7039         * fileread.cc (Input_file::open): Remove options parameter.
7040         Change all callers.
7041         (Input_file::open_binary): Likewise.
7042         * script.cc (read_input_script): Likewise.
7043         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
7044         options parameter from constructor.  Change all callers.
7045         (class Read_script): Likewise.
7046         * fileread.h (class Input_file): Update declarations.
7047         * script.h (read_input_script): Update declaration.
7049 2009-03-10  Nick Clifton  <nickc@redhat.com>
7051         * po/es.po: New Spanish translation.
7053 2009-03-06  Cary Coutant  <ccoutant@google.com>
7055         * options.cc (parse_short_option): Keep dash_z from registering itself.
7057 2009-03-03  Ian Lance Taylor  <iant@google.com>
7059         PR 9918
7060         * target-reloc.h (relocate_section): Pass output_section to
7061         relocate.
7062         * i386.cc (Target_i386::should_apply_static_reloc): Add
7063         output_section parameter.  Change all callers.
7064         (Target_i386::Relocate::relocate): Add output_section parameter.
7065         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7066         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
7067         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
7068         * testsuite/two_file_shared.sh: New script.
7069         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
7070         (check_DATA): Add two_file_shared.dbg.
7071         (two_file_shared.dbg): New target.
7072         * testsuite/Makefile.in: Rebuild.
7074 2009-03-01  Ian Lance Taylor  <iant@google.com>
7076         * configure.ac: Check for byteswap.h.
7077         * configure: Rebuild.
7078         * config.in: Rebuild.
7080 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
7082         * layout.cc (Layout::find_or_add_kept_section): New function.
7083         (Layout::add_comdat): Removed.
7084         * layout.h (struct Kept_section): Move out of class Layout.
7085         Remove trailing underscores from field names.  Add group_sections
7086         field.  Rename group_ field to is_group.  Change all uses.
7087         (class Layout): Declare find_or_add_kept_section, not add_comdat.
7088         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
7089         comdat_groups_ field.
7090         (Sized_relobj::include_section_group): Use
7091         find_or_add_kept_section and Kept_section::group_sections.
7092         (Sized_relobj::include_linkonce_section): Likewise.
7093         * object.cc (class Sized_relobj): Don't define Comdat_group or
7094         Comdat_group_table.  Remove find_comdat_group and
7095         add_comdat_group.  Remove comdat_groups_ field.
7096         * plugin.cc (include_comdat_group): Use
7097         Layout::find_or_add_kept_section.
7099 2009-02-28  Ian Lance Taylor  <iant@google.com>
7101         * README: --gc-sections and map files are now supported.  Document
7102         some build requirements.
7104         PR 6992
7105         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
7106         relocatable link set the value of the section symbol to zero.
7107         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
7108         relocatable link don't include the section address in the local
7109         symbol value.
7111 2009-02-27  Ian Lance Taylor  <iant@google.com>
7113         PR 6811
7114         * options.h (class Search_directory): Add is_system_directory.
7115         (class General_options): Declare is_in_system_directory.
7116         * options.cc (get_relative_sysroot): Make static.
7117         (get_default_sysroot): Make static.
7118         (General_optoins::is_in_system_directory): New function.
7119         * fileread.cc (Input_file::is_in_system_directory): New function.
7120         * fileread.h (class Input_file): Declare is_in_system_directory.
7121         * object.h (class Object): Add is_in_system_directory.
7122         (class Input_objects): Remove system_library_directory_ field.
7123         * object.cc (Input_objects::add_object): Don't set
7124         system_library_directory_.
7125         (input_objects::found_in_system_library_directory): Remove.
7126         * symtab.cc (Symbol_table::write_globals): Remove input_objects
7127         parameter.  Change all callers.
7128         (Symbol_table::sized_write_globals): Likewise.
7129         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
7130         Call Object::is_in_system_directory.
7131         * symtab.h (class Symbol_table): Update declarations.
7133         PR 5990
7134         * descriptors.h (Open_descriptor): Add is_on_stack field.
7135         * descriptors.cc (Descriptors::open): If the descriptor is on the
7136         top of the stack, remove it.  Initialize is_on_stack field.
7137         (Descriptors::release): Only add pod to stack if it is not on the
7138         stack already.
7139         (Descriptors::close_some_descriptor): Clear stack_next and
7140         is_on_stack fields.
7142         PR 7091
7143         * output.cc (Output_section::find_starting_output_address): Rename
7144         from starting_output_address; add PADDR parameter; change return
7145         type.
7146         * output.h (class Output_section): Declare
7147         find_starting_output_address instead of starting_output_address.
7148         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
7149         section symbol for which we can't find a merge section.
7151         PR 9836
7152         * symtab.cc (Symbol_table::add_from_object): If the visibility is
7153         hidden or internal, force the symbol to be local.
7154         * resolve.cc (Symbol::override_visibility): Define.
7155         (Symbol::override_base): Use override_visibility.
7156         (Symbol_table::resolve): Likewise.
7157         (Symbol::override_base_with_special): Likewise.
7158         (Symbol_table::override_with_special): If the visibility is hidden
7159         or internal, force the symbol to be local.
7160         * symtab.h (class Symbol): Add set_visibility and
7161         override_visibility.
7162         * testsuite/ver_test_1.sh: New file.
7163         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
7164         (check_DATA): Add ver_test_1.syms.
7165         (ver_test_1.syms): New target.
7166         * testsuite/Makefile.in: Rebuild.
7168 2009-02-25  Cary Coutant  <ccoutant@google.com>
7170         * layout.cc (Layout::choose_output_section): Don't rename sections
7171         when using a linker script that has a SECTIONS clause.
7172         * Makefile.in: Regenerate.
7174         * testsuite/Makefile.am (script_test_5.sh): New test case.
7175         * testsuite/Makefile.in: Regenerate.
7176         * testsuite/script_test_5.cc: New file.
7177         * testsuite/script_test_5.sh: New file.
7178         * testsuite/script_test_5.t: New file.
7180 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
7182         * archive.cc (Archive::include_member): Update calls to add_symbols.
7183         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
7184         the Layout argument.
7185         * dynobj.h (do_add_symbols): Add the Layout argument.
7186         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
7187         Layout argument.
7188         * object.h (Object::add_symbols): Add the Layout argument.
7189         (Object::do_add_symbols): Add the Layout argument.
7190         (Sized_relobj::do_add_symbols): Add the Layout argument.
7191         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
7192         Unify the two versions.
7193         (Add_plugin_symbols): Remove.
7194         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
7195         (Sized_pluginobj::do_add_symbols): Unify the two versions.
7196         (Add_plugin_symbols): Remove.
7197         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
7198         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
7199         (Add_symbols::run): Make it work with Pulginobj.
7201 2009-02-06  Ian Lance Taylor  <iant@google.com>
7203         * object.cc (Sized_relobj::do_layout): Make info message start
7204         with lower case letter.
7206 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
7208         * binary.cc: Fix file comment.
7210         * options.h (enum Incremental_disposition): Define.
7211         (class General_options): Add new options: --incremental,
7212         --incremental_changed, --incremental_unchanged,
7213         --incremental_unknown.  Add incremental_disposition_ and
7214         implicit_incremental_ fields.
7215         (General_options::incremental_disposition): New function.
7216         (class Position_dependent_options): Add incremental_disposition
7217         option.
7218         (Position_dependent_options::copy_from_options): Set incremental
7219         dispositions.
7220         * options.cc (General_options::parse_incremental_changed): New
7221         function.
7222         (General_options::parse_incremental_unchanged): New function.
7223         (General_options::parse_incremental_unknown): New function.
7224         (General_options::General_options): Initialize new fields
7225         incremental_disposition_ and implicit_incremental_.
7226         (General_options::finalize): Check for uasge of --incremental-*
7227         without --incremental.
7229 2009-02-06  Chris Demetriou  <cgd@google.com>
7231         * gold.h (gold_undefined_symbol): Change to take only a Symbol
7232         pointer and to report location as the file name associated with
7233         the symbol.
7234         (gold_undefined_symbol_at_location): New function to replace the
7235         old gold_undefined_symbol functionality.
7236         * target-reloc.h (relocate_section): Update to use
7237         gold_undefined_symbol_at_location.
7238         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7239         Call gold_undefined_symbol function rather than gold_error.
7240         * errors.h (Errors::undefined_symbol): Take location as a
7241         string, rather than calculating it from a relocation.
7242         * errors.cc (Errors::fatal): Print "fatal error:" before the
7243         formatted message.
7244         (Errors::error, Errors::error_at_location): Print "error: "
7245         before the formatted message.
7246         (Errors::undefined_symbol): Take location as a string, rather
7247         than calculating it from a relocation.
7248         (gold_undefined_symbol_at_location): New function akin to
7249         old gold_undefined_symbol, calculates location from relocation.
7250         (gold_undefined_symbol): Change to take only a Symbol pointer
7251         and to report location as the file name associated with the symbol.
7252         * testsuite/debug_msg.sh: Update for changed error messages.
7253         * testsuite/undef_symbol.sh: Likewise.
7255 2009-02-04  Duncan Sands  <baldrick@free.fr>
7257         PR 9812
7258         * reduced_debug_output.h
7259         (Output_reduced_debug_abbrev_section::failed): Use format for
7260         gold_warning.
7261         (Output_reduced_debug_info_section::faild): Likewise.
7263 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
7265         * script.cc (Lazy_demangler): New class.
7266         (Version_script_info::get_symbol_version_helper): Demangle a
7267         symbol only once.
7269 2009-01-29  Cary Coutant  <ccoutant@google.com>
7271         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
7272         to __tls_get_addr.
7273         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7275 2009-01-28  Ian Lance Taylor  <iant@google.com>
7277         * version.cc (version_string): Bump to 1.9.
7279         * gold.h: Include <cstring> and <stdint.h>.
7280         * version.cc: Include <cstdio>.
7281         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
7282         warning.
7283         * reduced_debug_output.cc (insert_into_vector): Rename from
7284         Insert_into_vector; change all callers.  Use Swap_unaligned to
7285         avoid aliasing issue; remove union since it is unnecessary.
7287 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
7289         * Makefile.am (CCFILES): Add gc.cc.
7290         (HFILES): Add gc.h.
7291         * Makefile.in: Regenerate.
7292         * gold.cc (Gc_runner): New class.
7293         (queue_initial_tasks): Call garbage collection related tasks
7294         when corresponding options are invoked.
7295         (queue_middle_gc_tasks): New function.
7296         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7297         processed early before laying out sections during garbage collection.
7298         * gold.h (queue_middle_gc_tasks): New function.
7299         (is_prefix_of): Move from "layout.cc".
7300         * i386.cc (Target_i386::gc_process_relocs): New function.
7301         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7302         * main.cc (main): Create object of class "Garbage_collection".
7303         * object.cc (Relobj::copy_symbols_data): New function.
7304         (Relobj::is_section_name_included): New function.
7305         (Sized_relobj::do_layout): Allow this function to be called twice
7306         during garbage collection and defer layout of section during the
7307         first call.
7308         * object.h (Relobj::get_symbols_data): New function.
7309         (Relobj::is_section_name_included): New function.
7310         (Relobj::copy_symbols_data): New function.
7311         (Relobj::set_symbols_data): New function.
7312         (Relobj::get_relocs_data): New function.
7313         (Relobj::set_relocs_data): New function.
7314         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7315         (Relobj::gc_process_relocs): New function.
7316         (Relobj::do_gc_process_relocs): New pure virtual function.
7317         (Relobj::sd_): New data member.
7318         (Sized_relobj::is_output_section_offset_invalid): New function.
7319         (Sized_relobj::do_gc_process_relocs): New function.
7320         * options.h (General_options::gc_sections): Modify to not be a no-op.
7321         (General_options::print_gc_sections): New option.
7322         * plugin.cc (Plugin_finish::run): Remove function call to
7323         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7324         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7325         * reloc.cc (Read_relocs::run): Add task to process relocs and
7326         determine unreferenced sections when doing garbage collection.
7327         (Gc_process_relocs): New class.
7328         (Sized_relobj::do_gc_process_relocs): New function.
7329         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7330         sections that are garbage collected.
7331         * reloc.h (Gc_process_relocs): New class.
7332         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7333         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7334         symbols whose corresponding sections are garbage collected.
7335         (Symbol_table::Symbol_table): Add new parameter for the garbage
7336         collection object.
7337         (Symbol_table::gc_mark_undef_symbols): New function.
7338         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7339         (Symbol_table::gc_mark_dyn_syms): New function.
7340         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7341         as garbage.
7342         (Symbol_table::add_from_object): Likewise.
7343         (Symbol_table::add_from_relobj): When building shared objects, do not
7344         treat externally visible symbols as garbage.
7345         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7346         table information for static and relocatable links.
7347         * symtab.h (Symbol_table::set_gc): New function.
7348         (Symbol_table::gc): New function.
7349         (Symbol_table::gc_mark_undef_symbols): New function.
7350         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7351         (Symbol_table::gc_mark_dyn_syms): New function.
7352         (Symbol_table::gc_): New data member.
7353         * target.h (Sized_target::gc_process_relocs): New pure virtual
7354         function.
7355         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7356         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7358 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7360         * options.h (General_options::gc_sections): Define as a no-op for now.
7361         (General_options::no_keep_memory): Ditto.
7362         (General_options::Bshareable): Define.
7363         * options.cc (General_options::finalize): Honor -Bshareable.
7365 2009-01-20  Andreas Schwab  <schwab@suse.de>
7367         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7368         read the value in the contents, since we don't use it.  Use the
7369         template endianness when writing.
7370         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7372 2009-01-19  Andreas Schwab  <schwab@suse.de>
7374         * configure.tgt (powerpc64-*): Fix targ_obj.
7376 2009-01-15  Ian Lance Taylor  <iant@google.com>
7378         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7379         local symbols when stripping all symbols.
7381 2009-01-14  Cary Coutant  <ccoutant@google.com>
7383         * output.cc (Output_reloc): Add explicit instantiations.
7385 2009-01-14  Cary Coutant  <ccoutant@google.com>
7387         * archive.cc (Archive::get_elf_object_for_member): Remove call
7388         to File_read::claim_for_plugin.
7389         * descriptors.cc (Descriptors::open): Remove reference to
7390         is_claimed.
7391         (Descriptors::claim_for_plugin): Remove.
7392         * descriptors.h (Descriptors::claim_for_plugin): Remove.
7393         (Descriptors::is_claimed): Remove.
7394         (claim_descriptor_for_plugin): Remove.
7395         * fileread.cc (File_read::claim_for_plugin): Remove.
7396         * fileread.h (File_read::claim_for_plugin): Remove.
7397         (File_read::descriptor): Reopen descriptor if necessary.
7398         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
7399         (Plugin_manager::all_symbols_read): Add task parameter. Change
7400         all callers.
7401         (Plugin_manager::get_input_file): New function.
7402         (Plugin_manager::release_input_file): New function.
7403         (Pluginobj::Pluginobj): Add filesize parameter and initialize
7404         corresponding data member.
7405         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
7406         and pass to base constructor. Change all callers.
7407         (get_input_file, release_input_file): New functions.
7408         (make_sized_plugin_object): Add filesize parameter. Change all callers.
7409         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
7410         (Plugin_manager::all_symbols_read): Add task parameter.
7411         (Plugin_manager::get_input_file): New function.
7412         (Plugin_manager::release_input_file): New function.
7413         (Plugin_manager::task_): New data member.
7414         (Pluginobj::Pluginobj): Add filesize parameter.
7415         (Pluginobj::filename): New function.
7416         (Pluginobj::descriptor): New function.
7417         (Pluginobj::filesize): New function.
7418         (Pluginobj::filesize_): New data member.
7419         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
7420         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
7421         File_read::claim_for_plugin; use Object::unlock to unlock the file.
7423         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
7424         with archive libraries.
7425         * testsuite/Makefile.in: Regenerate.
7426         * testsuite/plugin_test.c (struct sym_info): New type.
7427         (get_input_file, release_input_file): New static variables.
7428         (onload): Capture new transfer vector entries.
7429         (claim_file_hook): Stop reading at end of file according to filesize.
7430         Factor out parsing of readelf output into separate function.
7431         (all_symbols_read_hook): Exercise get_input_file and release_input_file
7432         APIs and get the source file name from the symbol table.  Convert
7433         source file name to corresponding object file name.  Print info
7434         message when adding new input files.
7435         (parse_readelf_line): New function.
7436         * testsuite/plugin_test_1.sh: Add checks for new info messages.
7437         * testsuite/plugin_test_2.sh: Likewise.
7438         * testsuite/plugin_test_3.sh: Likewise.
7439         * testsuite/plugin_test_4.sh: New test case.
7441 2009-01-07  Ian Lance Taylor  <iant@google.com>
7443         * version.cc (version_string): Bump to 1.8.
7445 2008-12-23  Cary Coutant  <ccoutant@google.com>
7447         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
7448         * plugin.cc (Plugin_manager::finish): Rename as
7449         layout_deferred_objects.  Move cleanup to separate function.
7450         (Plugin_manager::cleanup): New function.
7451         (Plugin_finish::run): Call layout_deferred_objects and cleanup
7452         separately.
7453         * plugin.h (Plugin_manager::finish): Rename as
7454         layout_deferred_objects.
7455         (Plugin_manager::cleanup): New function.
7456         (Plugin_manager::cleanup_done): New field.
7458 2008-12-23  Cary Coutant  <ccoutant@google.com>
7460         * plugin.cc (is_visible_from_outside): New function.
7461         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
7462         so we don't return "IR only" status for exported symbols or -r links.
7464         * testsuite/Makefile.am (plugin_test_3): New test case.
7465         * testsuite/Makefile.in: Regenerate.
7466         * testsuite/plugin_test_3.sh: New file.
7468 2008-12-22  Cary Coutant  <ccoutant@google.com>
7470         * object.cc (Sized_relobj::layout_section): New function.
7471         (Sized_relobj::do_layout): Defer layout of input sections until after
7472         plugin has provided replacement files.
7473         (Sized_relobj::do_layout_deferred_sections): New function.
7474         * object.h (Relobj::set_section_offset): Remove virtual keyword.
7475         (Relobj::layout_deferred_sections): New function.
7476         (Relobj::do_layout_deferred_sections): New function.
7477         (Sized_relobj::do_layout_deferred_sections): New function.
7478         (Sized_relobj::layout_section): New function.
7479         (Sized_relobj::Deferred_layout): New structure.
7480         (Sized_relobj::deferred_layout_): New field.
7481         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
7482         Change all callers.  Layout deferred sections.
7483         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
7484         references.
7485         (Plugin_hook::run): Move code from do_plugin_hook inline.
7486         (Plugin_hook::do_plugin_hook): Remove.
7487         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
7488         (Plugin_manager::finish): Renamed, was cleanup.
7489         (Plugin_manager::should_defer_layout): New function.
7490         (Plugin_manager::add_deferred_layout_object): New function.
7491         (Plugin_manager::Deferred_layout_list): New type.
7492         (Plugin_manager::deferred_layout_objects_): New field.
7493         (Plugin_hook::do_plugin_hook): Remove.
7495 2008-12-17  Ian Lance Taylor  <iant@google.com>
7497         * options.h (class General_options): Add --no case for
7498         --export-dynamic.
7500 2008-12-16  Cary Coutant  <ccoutant@google.com>
7502         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
7503         vector.
7504         (Plugin_manager::claim_file): Create plugin object even if
7505         plugin did not call the add_symbols callback.
7506         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
7507         asking for more symbols than were added.
7508         * testsuite/Makefile.am (plugin_test_1): Add test case with
7509         no global symbols.
7510         (empty.syms): New target.
7511         * testsuite/Makefile.in: Regenerate.
7512         * testsuite/plugin_test.c (claim_file_hook): Add new debug
7513         message. Don't call add_symbols if no globals.
7514         (all_symbols_read_hook): Don't provide replacement for empty
7515         claimed file.
7517 2008-12-12  Ian Lance Taylor  <iant@google.com>
7519         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
7520         r_type == 0 for a local symbol with r_sym == 0.
7521         (scan_relocatable_relocs): Pass r_sym to
7522         local_non_section_strategy.
7523         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
7524         r_sym parameter.
7526         * configure.ac: Update test for TLS descriptors: they are
7527         supported as of glibc 2.9.
7528         * configure: Rebuild.
7530 2008-12-11  Ian Lance Taylor  <iant@google.com>
7532         PR 7091
7533         * target-reloc.h (Default_scan_relocatable_relocs): For each
7534         function, map r_type == 0 to RELOC_DISCARD.
7536 2008-12-10  Cary Coutant  <ccoutant@google.com>
7538         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
7539         object to override a kept COMDAT group from a plugin object.
7541 2008-12-09  Ian Lance Taylor  <iant@google.com>
7543         PR 7088
7544         * yyscript.y (file_cmd): Handle INPUT.
7546         * testsuite/initpri1.c: Change all declarations to be full
7547         prototypes by adding void, to avoid compiler warnings.
7549 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7551         * options.cc (General_options::parse_plugin_opt): New.
7552         (General_options::add_plugin): The argument now is just the filename.
7553         (General_options::add_plugin_option): New.
7554         * options.h (plugin_opt): New.
7555         (add_plugin): Change argument name.
7556         (add_plugin_option): New.
7557         * plugin.cc (Plugin::load): Don't parse the plugin option.
7558         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7559         (Plugin::add_option): New.
7560         (Plugin::args_): Change type.
7561         (Plugin::filename_): New.
7562         (Plugin_manager::add_plugin_option): New.
7563         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7564         * testsuite/Makefile.in: Regenerate.
7566 2008-12-05  Cary Coutant  <ccoutant@google.com>
7568         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7569         Handle --strip-lto-sections option.
7570         * options.h (strip_lto_sections): New option.
7572 2008-12-01  Cary Coutant  <ccoutant@google.com>
7574         * plugin.cc (ld_plugin_message): Change format parameter to const.
7575         Fix mismatch between new[] and delete.
7577 2008-11-14  Cary Coutant  <ccoutant@google.com>
7579         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7580         instead of -1U.
7582 2008-11-05  Craig Silverstein  <csilvers@google.com>
7584         * options.cc (General_options::parse_dynamic_list): New function.
7585         * options.h (General_options): New flags dynamic_list,
7586         dynamic_list_data, dynamic_list_cpp_new, and
7587         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7588         (General_options::in_dynamic_list): New function.
7589         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7590         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7591         (Lex::can_continue_name): Likewise.
7592         (yylex): Likewise.
7593         (read_script_file): New parameter script_options.
7594         (read_dynamic_list): New function.
7595         (Script_options::define_dynamic_list): New function.
7596         (dynamic_list_keyword_parsecodes): New variable.
7597         (dynamic_list_keywords): New variable.
7598         * script.h (Script_options::define_dynamic_list): New function
7599         prototype.
7600         (read_dynamic_list): New function prototype.
7601         * symtab.cc (strprefix): New macro.
7602         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7603         dynamic_list_data, dynamic_list_cpp_new, and
7604         dynamic_list_cpp_typeinfo.
7605         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7606         (dynamic_list_expr): New rule.
7607         (dynamic_list_nodes): Likewise.
7608         (dynamic_list_node): Likewise.
7609         * testsuite/Makefile.am (dynamic_list): New test.
7610         * testsuite/Makefile.in: Regenerated.
7611         * testsuite/dynamic_list.t: New file.
7612         * testsuite/dynamic_list.sh: New file.
7614 2008-11-05  Craig Silverstein  <csilvers@google.com>
7616         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7617         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7618         (t11_last): Likewise.
7619         * testsuite/ver_test_6.c (main): Likewise.
7621 2008-10-07  Cary Coutant  <ccoutant@google.com>
7623         * options.c (General_options::finalize): Add check for -static and
7624         -shared.
7625         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7626         is not empty.
7628 2008-10-02  Cary Coutant  <ccoutant@google.com>
7630         * plugin.cc (make_sized_plugin_object): Fix conditional
7631         compilation to work when not all targets are enabled.
7633 2008-09-29  Cary Coutant  <ccoutant@google.com>
7635         * archive.cc (Archive::get_file_and_offset): Use filename instead
7636         of name to get library path.
7637         (Archive::include_member): Unlock external member of a thin archive.
7639         * testsuite/Makefile.am (TEST_AR): New variable.
7640         (thin_archive_test_1): New test.
7641         (thin_archive_test_2): New test.
7642         * testsuite/Makefile.in: Regenerate.
7643         * testsuite/thin_archive_main.cc: New file.
7644         * testsuite/thin_archive_test_1.cc: New file.
7645         * testsuite/thin_archive_test_2.cc: New file.
7646         * testsuite/thin_archive_test_3.cc: New file.
7647         * testsuite/thin_archive_test_4.cc: New file.
7649 2008-09-29  Cary Coutant  <ccoutant@google.com>
7651         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7652         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7653         instead of -1U.
7654         (Sized_relobj::do_finalize_local_symbols): Likewise.
7655         (Sized_relobj::map_to_kept_section): Likewise.
7656         * object.h (Sized_relobj::invalid_address): New constant.
7657         (Sized_relobj::do_output_section_offset): Check for invalid_address
7658         and return -1ULL.
7659         * output.cc (Output_reloc::local_section_offset): Use constant
7660         invalid_address instead of -1U.
7661         (Output_reloc::get_address): Likewise.
7662         (Output_section::output_address): Change -1U to -1ULL.
7663         * output.h (Output_reloc::invalid_address): New constant.
7664         * reloc.cc (Sized_relobj::write_sections): Use constant
7665         invalid_address instead of -1U.
7666         (Sized_relobj::relocate_sections): Likewise.
7667         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7668         values for merge sections.
7669         * target-reloc.h (relocate_for_relocatable): Use constant
7670         invalid_address instead of -1U.
7672 2008-09-19  Cary Coutant  <ccoutant@google.com>
7674         Add plugin functionality for link-time optimization (LTO).
7675         * configure.ac (plugins): Add --enable-plugins option.
7676         * configure: Regenerate.
7677         * config.in: Regenerate.
7678         * Makefile.am (LIBDL): New variable.
7679         (CCFILES): Add plugin.cc.
7680         (HFILES): Add plugin.h.
7681         (ldadd_var): Add LIBDL.
7682         * Makefile.in: Regenerate.
7684         * archive.cc: Include "plugin.h".
7685         (Archive::setup): Don't preread archive symbols when using a plugin.
7686         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7687         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7688         files.
7689         (Archive::include_member): Add symbols from plugin objects.
7690         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7691         * descriptors.cc (Descriptors::open): Check for file descriptors
7692         abandoned by plugins.
7693         (Descriptors::claim_for_plugin): New function.
7694         * descriptors.h (Descriptors::claim_for_plugin): New function.
7695         (Open_descriptor::is_claimed): New field.
7696         (claim_descriptor_for_plugin): New function.
7697         * fileread.cc (File_read::claim_for_plugin): New function.
7698         * fileread.h (File_read::claim_for_plugin): New function.
7699         (File_read::descriptor): New function.
7700         * gold.cc: Include "plugin.h".
7701         (queue_initial_tasks): Add task to call plugin hooks for generating
7702         new object files.
7703         * main.cc: Include "plugin.h".
7704         (main): Load plugin libraries.
7705         * object.h (Pluginobj): Declare.
7706         (Object::pluginobj): New function.
7707         (Object::do_pluginobj): New function.
7708         (Object::set_target): New function.
7709         * options.cc: Include "plugin.h".
7710         (General_options::parse_plugin): New function.
7711         (General_options::General_options): Initialize plugins_ field.
7712         (General_options::add_plugin): New function.
7713         * options.h (Plugin_manager): Declare.
7714         (General_options): Add --plugin option.
7715         (General_options::has_plugins): New function.
7716         (General_options::plugins): New function.
7717         (General_options::add_plugin): New function.
7718         (General_options::plugins_): New field.
7719         * plugin.cc: New file.
7720         * plugin.h: New file.
7721         * readsyms.cc: Include "plugin.h".
7722         (Read_symbols::do_read_symbols): Check for archive before checking
7723         for ELF file.  Call plugin hooks to claim files.
7724         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7725         from a real object file; force override when processing replacement
7726         files.
7727         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7728         (Symbol::init_base_object): Likewise.
7729         (Symbol::init_base_output_data): Likewise.
7730         (Symbol::init_base_output_segment): Likewise.
7731         (Symbol::init_base_constant): Likewise.
7732         (Symbol::init_base_undefined): Likewise.
7733         (Symbol::output_section): Assert that object is not a plugin.
7734         (Symbol_table::add_from_pluginobj): New function.
7735         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7736         undefined.
7737         (Symbol_table::sized_write_globals): Likewise.
7738         (Symbol_table::add_from_pluginobj): Instantiate template.
7739         * symtab.h (Sized_pluginobj): Declare.
7740         (Symbol::in_real_elf): New function.
7741         (Symbol::set_in_real_elf): New function.
7742         (Symbol::in_real_elf_): New field.
7743         (Symbol_table::add_from_pluginobj): New function.
7745         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7746         (LIBDL): New variable.
7747         (LDADD): Add LIBDL.
7748         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7749         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7750         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7751         (MOSTLYCLEANFILES): Likewise.
7752         * testsuite/Makefile.in: Regenerate.
7753         * testsuite/plugin_test.c: New file.
7754         * testsuite/plugin_test_1.sh: New file.
7755         * testsuite/plugin_test_2.sh: New file.
7757 2008-09-16  Ian Lance Taylor  <iant@google.com>
7759         * target-reloc.h (relocate_section): Check whether a symbol is
7760         defined by the ABI before reporting an undefined symbol error.
7761         * target.h (Target::is_defined_by_abi): Make parameter const.
7762         (Target::do_is_defined_by_abi): Likewise.
7763         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7764         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7765         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7766         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7767         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7768         * testsuite/Makefile.in: Rebuild.
7770         * fileread.cc (make_view): Add casts to avoid warning.
7772 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7774         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7775         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7777 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7779         * options.h (General_options::output_is_executable): New.
7780         (General_options::output_is_pie): New.
7781         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7782         for shared libraries.
7783         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7785 2008-09-11  Chris Demetriou  <cgd@google.com>
7787         * options.h (origin): New -z option.
7788         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7789         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7790         in DT_FLAGS_1.
7792 2008-09-05  Cary Coutant  <ccoutant@google.com>
7794         * fileread.cc (File_read::make_view): Add check for attempt to map
7795         beyond end of file.
7797 2008-09-05  Cary Coutant  <ccoutant@google.com>
7799         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7800         explicit instantiations.
7802 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7804         PR gold/6858
7805         * options.cc (General_options::finalize): Allow undefined symbols
7806         in shlibs if linking -shared.
7808         PR gold/6859
7809         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7810         symbols as not needing a dynsym entry.
7812 2008-08-20  Craig Silverstein  <csilvers@google.com>
7814         * fileread.cc (File_read::open): Do not lock the file unless it
7815         was successfully opened.
7817 2008-08-14  Cary Coutant  <ccoutant@google.com>
7819         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7820         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7821         * testsuite/tls_test.cc (struct int128): 128-bit struct
7822         for testing TLS relocs with non-zero addend.
7823         (v12): New TLS variable.
7824         (t12): New test.
7825         (t_last): Add check for v12.
7826         * testsuite/tls_test.h (t12): New function.
7827         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7829 2008-08-13  Ian Lance Taylor  <iant@google.com>
7831         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7832         set tls_segment_ or relro_segment_.
7833         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7834         when appropriate.
7835         * output.h (Output_section::clear_is_relro): New function.
7836         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7837         sections specially even when output_data_ is empty.
7838         (Output_segment::maximum_alignment): When first section is relro,
7839         only force alignment for PT_LOAD segments.
7840         * script.cc (script_data_segment_align): New function.
7841         (script_data_segment_relro_end): New function.
7842         * script-c.h (script_data_segment_align): Declare.
7843         (script_data_segment_relro_end): Declare.
7844         * script-sections.h (class Script_sections): Declare
7845         data_segment_align and data_segment_relro_end.  Add fields
7846         segment_align_index_ and saw_relro_end_.
7847         * script-sections.cc (class Sections_element): Add set_is_relro
7848         virtual function.  Add new bool* parameter to place_orphan_here.
7849         Add get_output_section virtual function.
7850         (class Output_section_definition): Add set_is_relro.  Add new
7851         bool* parameter to place_orphan_here.  Add get_output_section.
7852         Add is_relro_ field.
7853         (Output_section_definition::Output_section_definition): Initialize
7854         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7855         and is_relro_ fields.
7856         (Output_section_definition::place_orphan_here): Add is_relro
7857         parameter.
7858         (Output_section_definition::set_section_addresses): Set relro for
7859         output section.
7860         (Output_section_definition::alternate_constraint): Likewise.
7861         (class Orphan_output_section): Add new bool* parameter to
7862         place_orphan_here.  Add get_output_section.
7863         (Orphan_output_section::place_orphan_here): Add is_relro
7864         parameter.
7865         (Script_sections::Script_sections): Initialize
7866         data_segment_align_index_ and saw_relro_end_.
7867         (Script_sections::data_segment_align): New function.
7868         (Script_sections::data_segment_relro_end): New function.
7869         (Script_sections::place_orphan): Set or clear is_relro.
7870         (Script_sections::set_section_addresses): Force alignment of first
7871         TLS section.
7872         * yyscript.y (exp): Call script_data_segment_align and
7873         script_data_segment_relro_end.
7874         * testsuite/relro_script_test.t: New file.
7875         * testsuite/relro_test.cc (using_script): Declare.
7876         (t1, t2): Test using_script.
7877         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7878         (relro_script_test_SOURCES): Define.
7879         (relro_script_test_DEPENDENCIES): Define.
7880         (relro_script_test_LDFLAGS): Define.
7881         (relro_script_test_LDADD): Define.
7882         (relro_script_test.so): New target.
7883         * testsuite/Makefile.in: Rebuild.
7885 2008-08-06  Cary Coutant <ccoutant@google.com>
7887         * archive.cc (Archive::total_archives, Archive::total_members)
7888         (Archive::total_members_loaded): New variables.
7889         (Archive::setup): Add parameter.  Add option to preread
7890         archive symbols.
7891         (Archive::read_armap): Add counter.
7892         (Archive::get_file_and_offset): New function.
7893         (Archive::get_elf_object_for_member): New function.
7894         (Archive::read_all_symbols): New function.
7895         (Archive::read_symbols): New function.
7896         (Archive::add_symbols): Add counters.
7897         (Archive::include_all_members): Use armap to find members if it's
7898         already built.
7899         (Archive::include_member): Skip reading symbols if already read.
7900         Factored code into Archive::get_file_and_offset and
7901         Archive::get_elf_object_for_member.  Changed call to
7902         Mapfile::report_include_archive_member.
7903         (Archive::print_stats): New function.
7904         * archive.h: Declare Object and Read_symbols_data classes.
7905         (Archive::Archive): Add initializers for new members.
7906         (Archive::setup): Add parameter.
7907         (Archive::print_stats): New function.
7908         (Archive::total_archives, Archive::total_members)
7909         (Archive::total_members_loaded): New variables.
7910         (Archive::get_file_and_offset): New function.
7911         (Archive::get_elf_object_for_member): New function.
7912         (Archive::read_all_symbols): New function.
7913         (Archive::read_symbols): New function.
7914         (Archive::Archive_member): New class.
7915         (Archive::members_): New member.
7916         (Archive::num_members_): New member.
7917         * main.cc: Include archive.h.
7918         (main): Call Archive::print_stats.
7919         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7920         archive parameter; member_name is now the fully-decorated name.
7921         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7922         * options.h: (General_options): Add --preread-archive-symbols option.
7923         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7924         Archive::setup.
7926 2008-08-04  Ian Lance Taylor  <iant@google.com>
7928         * symtab.h (Symbol::use_plt_offset): New function.
7929         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7930         * powerpc.cc (Relocate::relocate): Likewise.
7931         * sparc.cc (Relocate::relocate): Likewise.
7932         * x86_64.cc (Relocate::relocate): Likewise.
7933         * testsuite/weak_plt.sh: New test.
7934         * testsuite/weak_plt_main.cc: New test.
7935         * testsuite/weak_plt_shared.cc: New test.
7936         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7937         (check_PROGRAMS): Add weak_plt.
7938         (check_DATA): Add weak_plt_shared.so.
7939         (weak_plt_main_pic.o, weak_plt): New targets.
7940         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7941         * testsuite/Makefile.in: Rebuild.
7943         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7944         gcctestdir/ld.
7945         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7946         * testsuite/Makefile.in: Rebuild.
7948 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7950         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7951         * Makefile.in: Regenerate.
7952         * po/POTFILES.in: Regenerate.
7954 2008-07-29  Ian Lance Taylor  <iant@google.com>
7956         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7957         symbols before other symbols.
7958         * testsuite/script_test_2.cc (test_addr): Declare.
7959         (test_addr_alias): Declare.
7960         (main): Check that test_addr and test_addr_alias have the right
7961         values.
7962         * testsuite/script_test_2.t: Define test_addr_alias and
7963         test_addr.
7965 2008-07-24  Ian Lance Taylor  <iant@google.com>
7967         PR 5990
7968         * descriptors.cc: New file.
7969         * descriptors.h: New file.
7970         * gold-threads.h (class Hold_optional_lock): New class.
7971         * fileread.cc: Include "descriptors.h".
7972         (File_read::~File_read): Release descriptor rather than closing
7973         it.
7974         (File_read::open) [file]: Call open_descriptor rather than open.
7975         Set is_descriptor_opened_.
7976         (File_read::open) [memory]: Assert that descriptor is not open.
7977         (File_read::reopen_descriptor): New function.
7978         (File_read::release): Release descriptor.
7979         (File_read::do_read): Make non-const.  Reopen descriptor.
7980         (File_read::read): Make non-const.
7981         (File_read::make_view): Reopen descriptor.
7982         (File_read::do_readv): Likewise.
7983         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7984         Update declarations.
7985         * layout.cc: Include "descriptors.h".
7986         (Layout::create_build_id): Use open_descriptor rather than open.
7987         * output.cc: Include "descriptors.h".
7988         (Output_file::open): Use open_descriptor rather than open.
7989         * archive.cc (Archive::const_iterator): Change Archive to be
7990         non-const.
7991         (Archive::begin, Archive::end): Make non-const.
7992         (Archive::count_members): Likewise.
7993         * archive.h (class Archive): Update declarations.
7994         * object.h (Object::read): Make non-const.
7995         * Makefile.am (CCFILES): Add descriptors.cc.
7996         (HFILES): Add descriptors.h.
7997         * Makefile.in: Rebuild.
7999         PR 6716
8000         * gold.h: Always include <clocale>.  Add Solaris workarounds
8001         following code in binutils/sysdep.h.
8003         PR 6048
8004         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
8005         this->eh_frame_hdr_ is NULL before using it.
8007         * dynobj.cc (Versions::Versions): Update comment.
8009         * dynobj.cc (Versions::Versions): If there is an soname, use it as
8010         the base version name.
8012         * stringpool.cc (Stringpool_template::add_with_length): Set key to
8013         array size plus one.
8014         (Stringpool_template::set_string_offsets): Subtract one from key
8015         before using it as an array index.
8016         (Stringpool_template::get_offset_with_length): Likewise.
8017         (Stringpool_template::write_to_buffer): Likewise.
8018         * stringpool.h (Stringpool_template::get_offset_from_key):
8019         Likewise.
8021 2008-07-23  Ian Lance Taylor  <iant@google.com>
8023         PR 6658
8024         * object.h (Merged_symbol_value::value): Do our best to handle a
8025         negative addend.
8027         PR 6647
8028         * script.cc (Version_script_info::get_versions): Don't add empty
8029         version tag to return value.
8030         (Version_script_info::get_symbol_version_helper): Change return
8031         type to bool.  Add pversion parameter.  Change all callers.
8032         (script_register_vers_node): Don't require a non-NULL tag.
8033         * script.h (class Version_script_info): Update declarations.
8034         (Version_script_info::get_symbol_version): Change return type to
8035         bool.  Add version parameter.  Change all callers.
8036         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
8037         handling.  Handle an empty version from a version script.
8038         (Symbol_table::define_special_symbol): Likewise.
8039         * testsuite/ver_test_10.script: New file.
8040         * testsuite/ver_test_10.sh: New file.
8041         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
8042         (check_DATA): Add ver_test_10.syms.
8043         (ver_test_10.syms, ver_test_10.so): New target.
8044         * testsuite/Makefile.in: Rebuild.
8046 2008-07-23  Simon Baldwin  <simonb@google.com>
8048         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
8049         to zero for undefined symbols from dynamic libraries.
8051 2008-07-23  Ian Lance Taylor  <iant@google.com>
8053         * symtab.cc (Symbol_table::resolve): Remove version parameter.
8054         Change all callers.
8055         * symtab.h (class Symbol_table): Update declaration.
8056         * testsuite/ver_test_9.cc: New file.
8057         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
8058         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
8059         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
8060         (ver_test_9.so, ver_test_9.o): New targets.
8061         * testsuite/Makefile.in: Rebuild.
8063 2008-07-22  Ian Lance Taylor  <iant@google.com>
8065         * options.h (class General_options): Define --check-sections.
8066         * layout.cc (Layout::set_segment_offsets): Handle
8067         --check-sections.
8069         * options.h (class General_options): Define -n/--nmagic and
8070         -N/--omagic.
8071         * options.cc (General_options::finalize): For -n/--nmagic or
8072         -N/--omagic, set -static.
8073         * layout.cc (Layout::attach_allocated_section_to_segment): If
8074         -N/--omagic, don't put read-only and read-write sections in
8075         different segments.
8076         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
8077         finding a read-only segment.
8078         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
8079         don't set the minimum segment alignment to the common page size,
8080         and don't set the file offset to the address modulo the page size.
8081         * script-sections.cc (Script_sections::create_segments): If
8082         -n/--omagic, don't put read-only and read-write sections in
8083         different segments.
8085         * cref.cc: New file.
8086         * cref.h: New file.
8087         * options.h (class General_options): Add --print-symbol-counts.
8088         * main.cc (main): Issue defined symbol report if requested.
8089         * archive.cc (Archive::interpret_header): Make into a const member
8090         function.
8091         (Archive::add_symbols): Call Input_objects::archive_start and
8092         archive_stop.
8093         (Archive::const_iterator): Define new class.
8094         (Archive::begin, Archive::end): New functions.
8095         (Archive::include_all_members): Rewrite to use iterator.
8096         (Archive::count_members): New function.
8097         * archive.h (class Archive): Update declarations.
8098         (Archive::filename): New function.
8099         * object.cc: Include "cref.h".
8100         (Sized_relobj::Sized_relobj): Initialize defined_count_.
8101         (Sized_relobj::do_get_global_symbol_counts): New function.
8102         (Input_objects::add_object): Add object to cross-referencer.
8103         (Input_objects::archive_start): New function.
8104         (Input_objects::archive_stop): New function.
8105         (Input_objects::print_symbol_counts): New function.
8106         * object.h: Declare Cref and Archive.
8107         (Object::get_global_symbol_counts): New function.
8108         (Object::do_get_global_symbol_counts): New pure virtual function.
8109         (class Sized_relobj): Add defined_count_ field.  Update
8110         declarations.
8111         (class Input_objects): Add cref_ field.  Update constructor.
8112         Update declarations.
8113         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
8114         defined_count_.
8115         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
8116         symbol counts.
8117         (Sized_dynobj::do_get_global_symbol_counts): New function.
8118         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
8119         defined_count_.  Update declarations.  Define Symbols typedef.
8120         * symtab.cc (Symbol_table::add_from_relobj): Add defined
8121         parameter.  Change all callers.
8122         (Symbol_table::add_from_dynobj): Add sympointers and defined
8123         parameters.  Change all callers.
8124         * symtab.h (class Symbol_table): Update declarations.
8125         * Makefile.am (CCFILES): Add cref.cc.
8126         (HFILES): Add cref.h.
8127         * Makefile.in: Rebuild.
8129 2008-07-22  Simon Baldwin  <simonb@google.com>
8131         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
8132         to zero when writing undefined symbols.
8134 2008-07-22  Ian Lance Taylor  <iant@google.com>
8136         * output.cc (Output_section::add_input_section): Don't try to
8137         merge empty merge sections.
8139 2008-07-21  Craig Silverstein  <csilvers@google.com>
8141         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8142         Include symbol version in error message.
8144 2008-07-20  Chris Demetriou  <cgd@google.com>
8146         * configure.ac (gold_cv_c_random_seed): New configured variable.
8147         (RANDOM_SEED_CFLAGS): New substituted variable.
8148         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
8149         * configure: Rebuild.
8150         * Makefile.in: Likewise.
8151         * testsuite/Makefile.in: Likewise.
8153 2008-07-18  Ian Lance Taylor  <iant@google.com>
8155         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
8156         where we see NAME/NULL and NAME/VERSION  as separate symbols.
8157         * testsuite/ver_test_main.cc (main): Call t4.
8158         (t4, t4_2a): Define.
8159         * testsuite/ver_test_2.cc (t4_2): Define.
8160         * testsuite/ver_test_2.script: Put t4_2a in VER2.
8161         * testsuite/ver_test_4.cc (t4_2a): Define.
8162         * testsuite/ver_test_4.script: Put t4_2a in VER2.
8163         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
8165 2008-07-17  Ian Lance Taylor  <iant@google.com>
8167         * dynobj.cc (Versions::add_def): If we give an error about a
8168         missing version, go ahead and create the version anyhow.
8170 2008-07-10  Ian Lance Taylor  <iant@google.com>
8172         Handle output sections with more than 0x7fffffff bytes.
8173         * object.h (class Relobj): Change map_to_output_ to
8174         output_sections_, and just keep a section pointer.  Change all
8175         uses.  Move comdat group support to Sized_relobj.
8176         (Relobj::is_section_specially_mapped): Remove.
8177         (Relobj::output_section): Remove poff parameter.  Change all
8178         callers.
8179         (Relobj::output_section_offset): New function.
8180         (Relobj::set_section_offset): Rewrite.
8181         (Relobj::map_to_output): Remove.
8182         (Relobj::output_sections): New function.
8183         (Relobj::do_output_section_offset): New pure virtual function.
8184         (Relobj::do_set_section_offset): Likewise.
8185         (class Sized_relobj): Add section_offsets_ field.  Add comdat
8186         group support from Relobj.  Update declarations.
8187         (Sized_relobj::get_output_section_offset): New function.
8188         (Sized_relobj::do_output_section_offset): New function.
8189         (Sized_relobj::do_set_section_offset): New function.
8190         * object.cc (Relobj::output_section_address): Remove.
8191         (Sized_relobj::Sized_relobj): Initialize new fields.
8192         (Sized_relobj::include_section_group): Cast find_kept_object to
8193         Sized_relobj.
8194         (Sized_relobj::include_linkonce_section): Likewise.
8195         (Sized_relobj::do_layout): Use separate arrays for output section
8196         and output offset.
8197         (Sized_relobj::do_count_local_symbols): Change map_to_output to
8198         output_sections.
8199         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
8200         output_sections and section_offsets.
8201         (Sized_relobj::write_local_symbols): Likewise.
8202         (map_to_kept_section): Compute output address directly.
8203         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
8204         output_sections and section_offsets.
8205         (Sized_relobj::write_sections): Likewise.
8206         (Sized_relobj::relocate_sections): Likewise.
8207         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
8208         * output.h (class Output_reloc): Update declarations.  Change
8209         u2_.relobj to Sized_relobj*.
8210         (class Output_data_reloc): Change add functions to use
8211         Sized_relobj*.
8212         * output.cc (Output_reloc::Output_reloc): Change relobj to
8213         Sized_relobj*.
8214         (Output_reloc::local_section_offset): Change return type to
8215         Elf_Addr.  Use get_output_section_offset.
8216         (Output_reloc::get_address): Likewise.
8217         (Output_section::is_input_address_mapped): Don't call
8218         is_section_specially_mapped.
8219         (Output_section::output_offset): Likewise.
8220         (Output_section::output_address): Likewise.
8221         (Output_section::starting_output_address): Likewise.
8222         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
8223         parameter to Sized_relobj*.
8224         (Copy_relocs::need_copy_reloc): Likewise.
8225         (Copy_relocs::save): Likewise.
8226         * copy-relocs.h (class Copy_relocs): Update declarations.
8227         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
8228         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
8229         * target-reloc.h (relocate_for_relocatable): Change
8230         offset_in_output_section type to Elf_Addr.  Change code that uses
8231         it as well.
8232         * layout.cc (Layout::layout): Always set *off.
8233         * mapfile.cc (Mapfile::print_input_section): Use
8234         output_section_offset.
8235         * i386.cc (Target_i386::copy_reloc): Change object parameter to
8236         Sized_relobj*.
8237         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
8238         * sparc.cc (Target_sparc::copy_reloc): Likewise.
8239         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
8241 2008-07-03  Ian Lance Taylor  <iant@google.com>
8243         * layout.cc (Layout::include_section): Do not discard unrecognized
8244         SHT_STRTAB sections.
8246 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
8248         * script.cc (Lex::can_continue_name): Make '?' allowable in
8249         version-script names.
8250         * testsuite/version_script.map: Change glob pattern to use '?'
8252 2008-06-30  Manish Singh  <yosh@gimp.org>
8254         PR 6585
8255         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
8256         Correct typo.
8258 2008-06-30  Ian Lance Taylor  <iant@google.com>
8260         PR 6660
8261         PR 6682
8262         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
8263         versions]: Don't try to read the value in the contents, since we
8264         don't use it.  Use the template endianness when writing.
8266 2008-06-25  Cary Coutant  <ccoutant@google.com>
8268         * fileread.cc (File_read::make_view): Assert on zero-length view.
8269         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
8270         symbol table when there are no symbols to read.
8272 2008-06-23  Craig Silverstein  <csilvers@google.com>
8274         * version.cc (version_string): Bump to 1.7
8276 2008-06-18  Craig Silverstein  <csilvers@google.com>
8278         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
8279         constant 0xFFFF to type Valtype.
8280         (Powerpc_relocate_functions::rel16_ha): Likewise.
8282 2008-06-17  Ian Lance Taylor  <iant@google.com>
8284         * output.h (Output_section::Input_section): Initialize p2align_ to
8285         zero for Output_section_data constructors.
8286         (Output_section::Input_section::addralign): If not an input
8287         section, return the alignment of the Output_section_data.
8288         * testsuite/copy_test.cc: New file.
8289         * testsuite/copy_test_1.cc: New file.
8290         * testsuite/copy_test_2.cc: New file.
8291         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8292         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8293         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8294         (copy_test_1_pic.o, copy_test_1.so): New targets.
8295         (copy_test_2_pic.o, copy_test_2.so): New targets.
8296         * testsuite/Makefile.in: Rebuild.
8298         * script-sections.cc (Script_sections::place_orphan): Initialize
8299         local variable exact.
8301 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8303         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8305 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8306             David S. Miller  <davem@davemloft.net>
8308         * powerpc.cc: New file.
8309         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8310         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8311         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8312         * Makefile.in: Rebuild.
8314 2008-06-09  Ian Lance Taylor  <iant@google.com>
8316         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8317         <exception>.
8318         (throwing, orig_terminate): New static variables.
8319         (terminate_handler): New static function.
8320         (t2): Set terminate handler.
8322 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8324         PR 6584
8325         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8326         alignment.
8328 2008-05-30  Cary Coutant  <ccoutant@google.com>
8330         * archive.cc (Archive::include_all_members) Correct to step
8331         over symbol table and extended name table in thin archives.
8333 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8335         PR 6407
8336         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8337         calculation.
8339 2008-05-28  Caleb Howe  <cshowe@google.com>
8341         * reduced_debug_output.cc: New file.
8342         * reduced_debug_output.h: New file.
8343         * options.h (class General_options): Add --strip-debug-non-line.
8344         * options.cc (General_options::finalize): Add strip_debug_non_line
8345         to the strip heirarchy.
8346         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8347         fields.
8348         * layout.cc: Include "reduced_debug_output.h".
8349         (Layout::Layout): Initialize new fields.
8350         (line_only_debug_sections): New static array.
8351         (is_lines_only_debug_sections): New static inline function.
8352         (Layout::include_section): Handle --strip-debug-non-line.
8353         (Layout::make_output_section): If --strip-debug-non-line, build
8354         new output sections for .debug_abbrev and .debug_info.
8355         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8356         gold.  Warn about possible overflow.
8357         (read_signed_LEB_128): Likewise.
8358         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8359         (read_signed_LEB_128): Declare.
8360         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8361         (HFILES): Add reduced_debug_output.h.
8362         * Makefile.in: Rebuild.
8364 2008-05-21  Ian Lance Taylor  <iant@google.com>
8366         * mapfile.cc: New file.
8367         * mapfile.h: New file.
8368         * options.h (class General_options): Add -M/--print-map and -Map.
8369         * options.cc (General_options::finalize): Make -M equivalent to
8370         -Map -.
8371         * main.cc: Include <cstdio> and "mapfile.h".
8372         (main): Open mapfile if requested.
8373         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8374         constructor.  Change caller.
8375         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8376         (queue_middle_tasks): Likewise.
8377         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8378         declarations.
8379         * archive.cc: Include "mapfile.h".
8380         (Archive::add_symbols): Add mapfile parameter.  Change all
8381         callers.  Pass mapfile, symbol, and reason to include_member.
8382         (Archive::include_all_members): Add mapfile parameter.  Change all
8383         callers.
8384         (Archive::include_member): Add mapfile, sym, and why parameters.
8385         Change all callers.  Report inclusion to map file.
8386         * archive.h: Include "fileread.h".
8387         (class Archive): Update declarations.
8388         (Archive::file): New const method.
8389         (class Add_archive_symbols): Add mapfile_ field.  Update
8390         constructor.  Change all callers.
8391         * readsyms.h (class Read_symbols): Likewise.
8392         (class Finish_group): Likewise.
8393         (class Read_script): Likewise.
8394         * common.cc: Include "mapfile.h".
8395         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
8396         all callers.
8397         (Symbol_table::do_allocate_commons): Likewise.
8398         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
8399         symbol allocation to mapfile.
8400         * common.h (class Allocate_commons_task): Add mapfile_ field.
8401         Update constructor.  Change all callers.
8402         * symtab.h (class Symbol_table): Update declarations.
8403         * layout.cc: Include "mapfile.h".
8404         (Layout_task_runner::run): Print information to mapfile.
8405         (Layout::create_gold_note): Change Output_data_fixed_space to
8406         Output_data_zero_fill.
8407         (Layout::create_build_id): Likewise.
8408         (Layout::print_to_mapfile): New function.
8409         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
8410         constructor.  Change caller.
8411         (class Layout): Declare print_to_mapfile.
8412         * output.cc (Output_section::Input_section::print_to_mapfile): New
8413         function.
8414         (Output_section::add_input_section): If producing a map, always
8415         add to input_sections_ list.
8416         (Output_section::do_print_to_mapfile): New function.
8417         (Output_segment::print_sections_to_mapfile): New function.
8418         (Output_segment::print_section_list_to_mapfile): New function.
8419         * output.h: Include "mapfile.h".
8420         (Output_data::print_to_mapfile): New function.
8421         (Output_data::do_print_to_mapfile): New virtual function.
8422         (Output_segment_headers::do_print_to_mapfile): New function.
8423         (Output_file_header::do_print_to_mapfile): New function.
8424         (Output_data_const::do_print_to_mapfile): New function.
8425         (class Output_data_const_buffer): Add map_name_ field.  Update
8426         constructor.  Change all callers.  Add do_print_to_mapfile
8427         function.
8428         (class Output_data_fixed_space): Likewise.
8429         (class Output_data_space): Likewise.
8430         (class Output_data_zero_fill): New class.
8431         (Output_data_strtab::do_print_to_mapfile): New function.
8432         (Output_data_reloc_base::do_print_to_mapfile): New function.
8433         (Output_relocatable_relocs::do_print_to_mapfile): New function.
8434         (Output_data_group::do_print_to_mapfile): New function.
8435         (Output_data_got::do_print_to_mapfile): New function.
8436         (Output_data_dynamic::do_print_to_mapfile): New function.
8437         (Output_symtab_xindex::do_print_to_mapfile): New function.
8438         (class Output_section): Declare do_print_to_mapflie.  Declare
8439         print_to_mapfile in Input_section.
8440         (class Output_segment): Declare new functions.
8441         * object.h (Sized_relobj::symbol_count): New function.
8442         * script-sections.cc
8443         (Output_section_element_dot_assignment::set_section_addresses):
8444         Change Output_data_fixed_space to Output_data_zero_fill.
8445         (Output_data_expression::do_print_to_mapfile): New function.
8446         * script.cc (read_input_script): Add mapfile parameter.  Change
8447         all callers.
8448         * script.h (read_input_script): Update declaration.
8449         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
8450         (Eh_frame::do_print_to_mapfile): New function.
8451         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
8452         (Output_merge_string::do_print_to_mapfile): New function.
8453         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
8454         function.
8455         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
8456         function.
8457         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
8458         function.
8459         * Makefile.am (CCFILES): Add mapfile.cc.
8460         (HFILES): Add mapfile.h.
8461         * Makefile.in: Rebuild.
8463 2008-05-19  Ian Lance Taylor  <iant@google.com>
8465         * options.h (class General_options): Add -z relro.
8466         * layout.cc (Layout::Layout): Initialize relro_segment_.
8467         (Layout::add_output_section_data): Return the output section.
8468         (Layout::make_output_section): Rcognize relro sections and mark
8469         them appropriately.
8470         (Layout::attach_allocated_section_to_segment): Put relro sections
8471         in a PT_GNU_RELRO segment.
8472         (Layout::create_initial_dynamic_sections): Mark the .dynamic
8473         section as relro.
8474         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
8475         PT_TLS segments.
8476         (Layout::linkonce_mapping): Map d.rel.ro.local to
8477         .data.rel.ro.local.
8478         (Layout::output_section_name): Us .data.rel.ro.local for any
8479         section which begins with that.
8480         * layout.h (class Layout): Update add_output_section_data
8481         declaration.  Add relro_segment_ field.
8482         * output.cc (Output_section::Output_section): Initialize is_relro_
8483         and is_relro_local_ fields.
8484         (Output_segment::add_output_section): Group relro sections.
8485         (Output_segment::is_first_section_relro): New function.
8486         (Output_segment::maximum_alignment): If there is a relro section,
8487         align the segment to the common page size.
8488         (Output_segment::set_section_addresses): Track whether we are
8489         looking at relro sections.  If the last section is a relro
8490         section, align to the common page size.
8491         (Output_segment::set_section_list_addresses): Add in_relro
8492         parameter.  Change all callers.  Align to the page size when
8493         moving from relro to non-relro section.
8494         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
8495         segment.
8496         * output.h (class Output_section): Add is_relro_ and
8497         is_relro_local_ fields.
8498         (Output_section::is_relro): New function.
8499         (Output_section::set_is_relro): New function.
8500         (Output_section::is_relro_local): New function.
8501         (Output_section::set_is_relro_local): New function.
8502         (class Output_segment): Update declarations.
8503         * i386.cc (Target_i386::got_section): Mark .got section as relro.
8504         * sparc.cc (Target_sparc::got_section): Likewise.
8505         * x86_64.cc (Target_x86_64::got_section): Likewise.
8506         * testsuite/relro_test_main.cc: New file.
8507         * testsuite/relro_test.cc: New file.
8508         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
8509         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
8510         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
8511         (relro_test.so, relro_test_pic.o): New targets.
8512         * testsuite/Makefile.in: Rebuild.
8514 2008-05-16  Ian Lance Taylor  <iant@google.com>
8516         * output.cc (Output_segment::add_output_section): Remove front
8517         parameter.
8518         * output.h (class Output_segment): Remove
8519         add_initial_output_section and overloaded add_output_section.
8520         Update declaration of remaining add_output_section.
8521         * layout.cc (Layout::create_interp): Call add_output_section
8522         rather than add_initial_output_section.
8523         (Layout::finish_dynamic_section): Likewise.
8525         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
8526         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
8527         know the dynamic type.
8528         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
8529         field.  Initialize it in constructor.
8530         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
8531         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
8532         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
8533         reloc.
8535         * output.cc (Output_reloc::get_address): Change return type to
8536         Elf_Addr.
8537         * output.h (class Output_reloc): Update get_address declaration.
8538         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
8539         for section addresses.
8541 2008-05-09  Ian Lance Taylor  <iant@google.com>
8543         PR 6493
8544         * gold.cc (gold_nomem): Use return value of write.
8546 2008-05-08  Ian Lance Taylor  <iant@google.com>
8548         * symtab.c (Symbol::init_base_output_data): Add version
8549         parameter.  Change all callers.
8550         (Symbol::init_base_output_segment): Likewise.
8551         (Symbol::init_base_constant): Likewise.
8552         (Symbol::init_base_undefined): Likewise.
8553         (Sized_symbol::init_output_data): Likewise.
8554         (Sized_symbol::init_output_segment): Likewise.
8555         (Sized_symbol::init_constant): Likewise.
8556         (Sized_symbol::init_undefined): Likewise.
8557         (Symbol_table::do_define_in_output_data): If the new symbol has a
8558         version, mark it as the default.
8559         (Symbol_table::do_define_in_output_segment): Likewise.
8560         (Symbol_table::do_define_as_constant): Likewise.
8561         * symtab.h (class Symbol): Update declarations.
8562         (class Sized_symbol): Likewise.
8563         * resolve.cc (Symbol::override_version): New function.
8564         (Symbol::override_base): Call override_version.
8565         (Symbol::override_base_with_special): Likewise.
8566         * testsuite/ver_script_8.script: New file.
8567         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8568         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8569         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8570         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8572 2008-05-06  Ian Lance Taylor  <iant@google.com>
8574         PR 6049
8575         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8576         functions.
8577         (class General_options): Remove existing --undefined, and add
8578         --no-undefined instead.  Add new --undefined as synonym for -u.
8579         * archive.cc (Archive::add_symbols): Check whether symbol was
8580         named with -u.
8581         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8582         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8583         all uses.  Add IS_UNDEFINED.  Update declarations to split
8584         different versions of init_base.  Declare init_base_undefined.
8585         (Symbol::is_defined): Handle IS_UNDEFINED.
8586         (Symbol::is_undefined): Likewise.
8587         (Symbol::is_weak_undefined): Call is_undefined.
8588         (Symbol::is_absolute): Handle IS_CONSTANT.
8589         (class Sized_symbol): Update declarations to split different
8590         versions of init.  Declare init_undefined.
8591         (class Symbol_table): Declare new functions.
8592         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8593         Change all callers.
8594         (Symbol::init_base_output_data): Likewise.
8595         (Symbol::init_base_output_segment): Likewise.
8596         (Symbol::init_base_constant): Likewise.
8597         (Symbol::init_base_undefined): New function.
8598         (Sized_symbol::init_object): Rename from init.  Change all
8599         callers.
8600         (Sized_symbol::init_output_data): Likewise.
8601         (Sized_symbol::init_output_segment): Likewise.
8602         (Sized_symbol::init_constant): Likewise.
8603         (Sized_symbol::init_undefined): New function.
8604         (Symbol_table::add_undefined_symbols_from_command_line): New
8605         function.
8606         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8607         function.
8608         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8609         (Symbol::output_section): Likewise.
8610         (Symbol::set_output_section): Likewise.
8611         (Symbol_table::sized_finalize_symbol): Likewise.
8612         (Symbol_table::sized_write_globals): Likewise.
8613         * resolve.cc (Symbol_table::should_override): Likewise.
8614         (Symbol::override_base_with_special): Likewise.
8616         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8617         symbol, change it to have default visibility.
8618         * testsuite/protected_1.cc: New file.
8619         * testsuite/protected_2.cc: New file.
8620         * testsuite/protected_3.cc: New file.
8621         * testsuite/protected_main_1.cc: New file.
8622         * testsuite/protected_main_2.cc: New file.
8623         * testsuite/protected_main_3.cc: New file.
8624         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8625         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8626         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8627         (protected_1.so): New target.
8628         (protected_1_pic.o, protected_2_pic.o): New targets.
8629         (protected_3_pic.o): New target.
8630         (check_PROGRAMS): Add protected_2.
8631         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8632         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8633         * testsuite/Makefile.in: Rebuild.
8635         * options.h (DEFINE_var): Add set_user_set_##varname__.
8636         (DEFINE_bool_alias): New macro.
8637         (class General_options): Define -Bstatic using DEFINE_bool_alias
8638         rather than DEFINE_special.  Add --undefined as an alias for -z
8639         defs.
8640         * options.cc (General_options::parse_Bstatic): Remove.
8642         * options.h (class General_options): Add --fatal-warnings.
8643         * main.cc (main): Implement --fatal-warnings.
8644         * errors.h (Errors::warning_count): New function.
8646         * options.h (class General_options): Add -Bsymbolic-functions.
8647         * symtab.h (Symbol::is_preemptible): Check for
8648         -Bsymbolic-functions.
8650 2008-05-05  Ian Lance Taylor  <iant@google.com>
8652         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8653         as noVARNAME rather than no-VARNAME.
8654         (class General_options): Add option -z combreloc.
8655         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8656         get_address.
8657         (Output_reloc::sort_before) [SHT_REL]: New function.
8658         (Output_reloc::sort_before) [SHT_RELA]: New function.
8659         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8660         Sort_relocs_comparison.
8661         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8662         parameter.  Change all callers.
8663         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8664         sort_relocs parameter.  Change all callers.
8665         * output.cc (Output_reloc::get_address): New function, broken out
8666         of write_rel.
8667         (Output_reloc::write_rel): Call it.
8668         (Output_reloc::compare): New function.
8669         (Output_data_reloc_base::do_write): Optionally sort relocs.
8671         * configure.ac: If targ_extra_obj is set, link it in.
8672         * configure.tgt: Initialize all variables.
8673         (x86_64*): Set targ_extra_obj and targ_extra_size.
8674         * configure: Rebuild.
8676         * object.cc (Sized_relobj::include_section_group): Adjust section
8677         indexes read from group data.  Build vector to pass to
8678         layout_group.
8679         * layout.cc (Layout::layout_group): Add flags and shndxes
8680         parameters.  Remove contents parameter.  Change caller.  Update
8681         explicit instantiations.
8682         * layout.h (class Layout): Update layout_group declaration.
8683         * output.cc (Output_data_group::Output_data_group): Add flags and
8684         input_shndxes parameters.  Remove contents parameter.  Change
8685         caller.
8686         (Output_data_group::do_write): Change input_sections_ to
8687         input_shndxes_.
8688         * output.h (class Output_data_group): Update constructor
8689         declaration.  Rename input_sections_ to input_shndxes_.
8690         * testsuite/many_sections_test.cc: Add template.
8692 2008-04-30  Cary Coutant  <ccoutant@google.com>
8694         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8696         * layout.cc (Layout::include_section): Refactored check for debug
8697         info section.
8698         (Layout::add_comdat): Add new parameters.  Change type
8699         of signature parameter.  Add object and shndx to signatures table.
8700         (Layout::find_kept_object): New function.
8701         * layout.h: Include <cstring>.
8702         (Layout::is_debug_info_section): New function.
8703         (Layout::add_comdat): Add new parameters.
8704         (Layout::find_kept_object): New function.
8705         (Layout::Kept_section): New struct.
8706         (Layout::Signatures): Change type of map range.
8707         * object.cc (Relobj::output_section_address): New function.
8708         (Sized_relobj::include_section_group): Add new parameters.  Change
8709         calls to Layout::add_comdat.  Change to build table of kept comdat
8710         groups and table mapping discarded sections to kept sections.
8711         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8712         (Sized_relobj::do_layout): Change calls to include_section_group and
8713         include_linkonce_section.
8714         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8715         value to zero when section is discarded.
8716         (Sized_relobj::map_to_kept_section): New function.
8717         * object.h (Relobj::output_section_address): New function.
8718         (Relobj::Comdat_group): New type.
8719         (Relobj::find_comdat_group): New function.
8720         (Relobj::Comdat_group_table): New type.
8721         (Relobj::Kept_comdat_section): New type.
8722         (Relobj::Kept_comdat_section_table): New type.
8723         (Relobj::add_comdat_group): New function.
8724         (Relobj::set_kept_comdat_section): New function.
8725         (Relobj::get_kept_comdat_section): New function.
8726         (Relobj::comdat_groups_): New field.
8727         (Relobj::kept_comdat_sections_): New field.
8728         (Symbol_value::input_value): Update comment.
8729         (Sized_relobj::map_to_kept_section) New function.
8730         (Sized_relobj::include_linkonce_section): Add new parameter.
8731         * target-reloc.h (Comdat_behavior): New type.
8732         (get_comdat_behavior): New function.
8733         (relocate_section): Add code to map a discarded section to the
8734         corresponding kept section when applying a relocation.
8736 2008-04-30  Craig Silverstein  <csilvers@google.com>
8738         * dwarf_reader.cc (next_generation_count): New static var.
8739         (Addr2line_cache_entry): New struct.
8740         (addr2line_cache): New static var.
8741         (Dwarf_line_info::one_addr2line): Added caching.
8742         (Dwarf_line_info::clear_addr2line_cache): New function.
8743         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8744         cache-size parameter.
8745         (Dwarf_line_info::one_addr2line_cache): New function.
8746         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8747         new cache-size argument to one_addr2line(), and clear cache.
8749 2008-04-28  Cary Coutant  <ccoutant@google.com>
8751         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8752         R_386_PC8 relocations.
8754 2008-04-23  Ian Lance Taylor  <iant@google.com>
8756         * object.cc (Sized_relobj::include_section_group): Check for
8757         invalid section group.
8759         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8760         header size.
8762         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8763         than read for file header.
8764         * archive.cc (Archive::include_member): Likewise.
8766 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8768         * aclocal.m4: Regenerate.
8769         * configure: Regenerate.
8771 2008-04-19  Ian Lance Taylor  <iant@google.com>
8773         * version.cc (version_string): Bump to 1.6.
8775         * testsuite/Makefile.am (many_sections_r_test): New target.
8776         (many_sections_r_test_SOURCES): Remove.
8777         (many_sections_r_test_DEPENDENCIES): Remove.
8778         (many_sections_r_test_LDFLAGS): Remove.
8779         (many_sections_r_test_LDADD): Remove.
8781         * object.cc (Sized_relobj::do_add_symbols): Always pass
8782         local_symbol_count_ to add_from_relobj.
8784         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8785         every thousand variables.
8786         * testsuite/Makefile.in: Rebuild.
8788         * object.cc (Xindex::initialize_symtab_xindex): New function.
8789         (Xindex::read_symtab_xindex): New function.
8790         (Xindex::sym_xindex_to_shndx): New function.
8791         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8792         available.
8793         (Sized_relobj::do_initialize_xindex): New function.
8794         (Sized_relobj::do_read_symbols): Adjust section links.
8795         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8796         parameter.  Change all callers.
8797         (Sized_relobj::include_section_group): Adjust section links and
8798         symbol section indexes.
8799         (Sized_relobj::do_layout): Adjust section links.
8800         (Sized_relobj::do_count_local_symbols): Adjust section links and
8801         symbol section indexes.
8802         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8803         ordinary and special symbols.
8804         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8805         dynsym_xindex parameters.  Change all callers.  Adjust section
8806         links.  Use SHN_XINDEX when needed.
8807         (Sized_relobj::get_symbol_location_info): Adjust section links.
8808         Don't get fooled by special symbols.
8809         * object.h (class Xindex): Define.
8810         (class Object): Add xindex_ parameter.  Declare virtual functoin
8811         do_initialize_xindex.
8812         (Object::adjust_sym_shndx): New function.
8813         (Object::set_xindex): New protected function.
8814         (class Symbol_value): Add is_ordinary_shndx_ field.
8815         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8816         (Symbol_value::value): Assert ordinary section.
8817         (Symbol_value::initialize_input_to_output_map): Likewise.
8818         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8819         Change all callers.
8820         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8821         all callers.
8822         (class Sized_relobj): Update declarations.
8823         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8824         parameter.  Change all callers.
8825         (Sized_relobj::adjust_shndx): New function.
8826         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8827         field.
8828         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8829         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8830         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8831         (Sized_dynobj::read_dynsym_section): Adjust section links.
8832         (Sized_dynobj::read_dynamic): Likewise.
8833         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8834         section links.
8835         (Sized_dynobj::do_initialize_xindex): New function.
8836         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8837         do_initialize_xindex.
8838         (Sized_dynobj::adjust_shndx): New function.
8839         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8840         dynsym_xindex_ fields.
8841         (Layout::finalize): Add a call to set_section_indexes before
8842         creating the symtab sections.
8843         (Layout::set_section_indexes): Don't do anything if the section
8844         already has a section index.
8845         (Layout::create_symtab_sections): Add shnum parameter.  Change
8846         caller.  Create .symtab_shndx section if needed.
8847         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8848         caller.
8849         (Layout::allocated_output_section_count): New function.
8850         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8851         needed.
8852         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8853         fields.  Update declarations.
8854         (Layout::symtab_xindex): New function.
8855         (Layout::dynsym_xindex): New function.
8856         (class Write_symbols_task): Add layout_ field.
8857         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8858         Change caller.
8859         * output.cc (Output_section_headers::Output_section_headers): Add
8860         shstrtab_section parameter.  Change all callers.
8861         (Output_section_headers::do_sized_write): Store overflow values
8862         for section count and section string table section index in
8863         section header zero.
8864         (Output_file_header::do_sized_write): Check for overflow of
8865         section count and section string table section index.
8866         (Output_symtab_xindex::do_write): New function.
8867         (Output_symtab_xindex::endian_do_write): New function.
8868         * output.h (class Output_section_headers): Add shstrtab_section_.
8869         Update declarations.
8870         (class Output_symtab_xindex): Define.
8871         (Output_section::has_out_shndx): New function.
8872         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8873         field.
8874         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8875         Change all callers.
8876         (Sized_symbol::init): Likewise.
8877         (Symbol::output_section): Check for ordinary symbol.
8878         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8879         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8880         callers.
8881         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8882         Change all callers.  Simplify handling of symbols from sections
8883         not included in the link.
8884         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8885         distinction.
8886         (Weak_alias_sorter::operator()): Assert that symbols are
8887         ordinary.
8888         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8889         distinction.
8890         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8891         parameters.  Change all callers.
8892         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8893         symbol distinction.  Use SHN_XINDEX when needed.
8894         (Symbol_table::write_section_symbol): Add symtab_xindex
8895         parameter.  Change all callers.
8896         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8897         SHN_XINDEX when needed.
8898         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8899         declarations.
8900         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8901         (Symbol::is_defined): Check is_ordinary.
8902         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8903         (Symbol::is_absolute, Symbol::is_common): Likewise.
8904         (class Sized_symbol): Update declarations.
8905         (class Symbol_table): Update declarations.
8906         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8907         parameters.  Change all callers.
8908         (Sized_symbol::override): Likewise.
8909         (Symbol_table::override): Likewise.
8910         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8911         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8912         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8913         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8914         to be in an ordinary section.
8915         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8916         object and is_ordinary parameters.  Change all callers.
8917         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8918         Change all callers.  Don't add undefined or non-ordinary symbols
8919         to reloc_map_.
8920         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8921         Change all callers.
8922         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8923         declarations.
8924         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8925         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8926         (Sized_relobj::relocate_sections): Likewise.
8927         * target-reloc.h (scan_relocs): Adjust section symbol index.
8928         (scan_relocatable_relocs): Likewise.
8929         * i386.cc (Scan::local): Check for ordinary symbols.
8930         * sparc.cc (Scan::local): Likewise.
8931         * x86_64.cc (Scan::local): Likewise.
8932         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8933         to symbol_section_and_value.
8934         * testsuite/many_sections_test.cc: New file.
8935         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8936         (check_PROGRAMS): Add many_sections_test.
8937         (many_sections_test_SOURCES): Define.
8938         (many_sections_test_DEPENDENCIES): Define.
8939         (many_sections_test_LDFLAGS): Define.
8940         (BUILT_SOURCES): Add many_sections_define.h.
8941         (many_sections_define.h): New target.
8942         (BUILT_SOURCES): Add many_sections_check.h.
8943         (many_sections_check.h): New target.
8944         (check_PROGRAMS): Add many_sections_r_test.
8945         (many_sections_r_test_SOURCES): Define.
8946         (many_sections_r_test_DEPENDENCIES): Define.
8947         (many_sections_r_test_LDFLAGS): Define.
8948         (many_sections_r_test_LDADD): Define.
8949         (many_sections_r_test.o): New target.
8950         * testsuite/Makefile.in: Rebuild.
8952 2008-04-17  Cary Coutant  <ccoutant@google.com>
8954         * errors.cc (Errors::info): New function.
8955         (gold_info): New function.
8956         * errors.h (Errors::info): New function.
8957         * gold.h (gold_info): New function.
8958         * object.cc (Input_objects::add_object): Print trace output.
8959         * options.cc (options::parse_set): New function.
8960         (General_options::parse_wrap): Deleted.
8961         (General_options::General_options): Deleted initializer.
8962         * options.h (options::String_set): New typedef.
8963         (options::parse_set): New function.
8964         (DEFINE_set): New macro.
8965         (General_options::wrap): Changed to use DEFINE_set. Changed
8966         callers of any_wrap_symbols and is_wrap_symbol.
8967         (General_options::trace, General_options::trace_symbol):
8968         New options.
8969         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8970         (General_options::wrap_symbols_): Deleted.
8971         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8973 2008-04-17  David S. Miller  <davem@davemloft.net>
8975         * options.cc (General_options::parse_V): New function.
8976         * options.h: Add entries for -V and -Qy.
8978 2008-04-17  Ian Lance Taylor  <iant@google.com>
8980         * common.cc (Symbol_table::allocate_commons): Remove options
8981         parameter.  Change caller.
8982         (Symbol_table::do_allocate_commons): Remove options parameter.
8983         Change caller.  Just call do_allocate_commons_list twice.
8984         (Symbol_table::do_allocate_commons_list): New function, broken out
8985         of do_allocate_commons.
8986         * common.h (class Allocate_commons_task): Remove options_ field.
8987         Update constructor.
8988         * symtab.cc (Symbol_table::Symbol_table): Initialize
8989         tls_commons_.
8990         (Symbol_table::add_from_object): Put TLS common symbols on
8991         tls_commons_ list.
8992         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8993         which are IN_OUTPUT_DATA.
8994         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8995         allocate_commons and do_allocate_commons declarations.  Declare
8996         do_allocate_commons_list.
8997         * gold.cc (queue_middle_tasks): Update creation of
8998         Allocate_commons_task to not pass options.
8999         * testsuite/Makefile.am (INCLUDES): Add -I.. .
9000         (TLS_TEST_C_FLAGS): New variable.
9001         (tls_test_c_pic.o): New target.
9002         (tls_test_shared.so): Link in tls_test_c_pic.o.
9003         (tls_test_c_pic_ie.o): New target.
9004         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
9005         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
9006         (tls_test_c.o): New target.
9007         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
9008         (tls_pic_test_LDADD): Likewise.
9009         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
9010         (tls_shared_gd_to_ie_test_LDADD): Likewise.
9011         (tls_test_c_gnu2.o): New target.
9012         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
9013         tls_test_c_gnu2.o.
9014         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
9015         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
9016         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
9017         * testsuite/tls_test.cc: Include "config.h".
9018         (t_last): Call t11_last.
9019         * testsuite/tls_test.h (t11, t11_last): Declare.
9020         * testsuite/tls_test_c.c: New file.
9021         * testsuite/tls_test_main.cc (thread_routine): Call t11.
9022         * configure.ac: Check for OpenMP support.
9023         * configure, config.in, Makefile.in: Rebuild.
9024         * testsuite/Makefile.in: Rebuild.
9026 2008-04-16  Cary Coutant  <ccoutant@google.com>
9028         * i386.cc (Target_i386::define_tls_base_symbol): New function.
9029         (Target_i386::tls_base_symbol_defined_): New field.
9030         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
9031         (Target_i386::Scan::global): Likewise.
9032         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
9033         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
9034         (Target_x86_64::tls_base_symbol_defined_): New field.
9035         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
9036         (Target_x86_64::Scan::global): Likewise.
9038 2008-04-16  Cary Coutant  <ccoutant@google.com>
9040         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
9041         (Symbol::needs_plt_entry): Allow weak undefined symbols.
9042         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
9043         building shared libraries.
9044         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
9045         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
9046         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
9047         * testsuite/Makefile.in: Rebuild.
9048         * testsuite/weak_undef.h: New file.
9049         * testsuite/weak_undef_file1.cc: Add extra test cases.
9050         * testsuite/weak_undef_file2.cc: Likewise.
9051         * testsuite/weak_undef_test.cc: Likewise.
9053 2008-04-16  David S. Miller  <davem@davemloft.net>
9055         * sparc.cc (Target_sparc::Scan): Change from struct to class.
9056         Add issued_non_pic_error_ field.  Declare check_non_pic.
9057         (Target_sparc::Scan::check_non_pic): New function.
9058         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
9059         (Target_sparc::Scan::global): Likewise.
9061         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
9062         * configure: Rebuild.
9064         * options.h (DEFINE_enable): New macro.
9065         (new_dtags): New enable option.
9066         (initfirst, interpose, loadfltr, nodefaultlib,
9067         nodelete, nodlopen, nodump): New -z options.
9068         * layout.cc (Layout:finish_dynamic_section): If new
9069         dtags enabled, emit DT_RUNPATH.  Also, emit a
9070         DT_FLAGS_1 containing any specified -z flags.
9072 2008-04-16  Ian Lance Taylor  <iant@google.com>
9074         * copy-relocs.cc: New file.
9075         * copy-relocs.h: New file.
9076         * reloc.cc: Remove Copy_relocs code.
9077         * reloc.h: Likewise.
9078         * reloc-types.h (struct Reloc_types) [both versions]: Add
9079         get_reloc_addend_noerror.
9080         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
9081         variants of add_global which take an addend which must be zero.
9082         * i386.cc: Include "copy-relocs.h".
9083         (class Target_i386): Change type of copy_relocs_ to variable,
9084         update initializer.
9085         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
9086         Change all callers.
9087         (Target_i386::do_finalize_sections): Change handling of
9088         copy_relocs_.
9089         * sparc.cc: Include "copy-relocs.h".
9090         (class Target_sparc): Change type of copy_relocs_ to variable,
9091         update initializer.
9092         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
9093         Change all callers.
9094         (Target_sparc::do_finalize_sections): Change handling of
9095         copy_relocs_.
9096         * x86_64.cc: Include "copy-relocs.h".
9097         (class Target_x86_64): Change type of copy_relocs_ to variable,
9098         update initializer.
9099         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
9100         class.  Change all callers.
9101         (Target_x86_64::do_finalize_sections): Change handling of
9102         copy_relocs_.
9103         * Makefile.am (CCFILES): Add copy-relocs.cc.
9104         (HFILES): Add copy-relocs.h.
9106         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
9108         * testsuite/script_test_4.sh: Permit leading zeroes.
9110 2008-04-15  Ian Lance Taylor  <iant@google.com>
9112         * script-sections.cc (Script_sections::create_segments): Use
9113         header_size_adjustment even when there is enough room for the
9114         headers.
9115         * testsuite/script_test_4.sh: New file.
9116         * testsuite/script_test_4.t: New file.
9117         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
9118         (check_DATA): Add script_test_4.stdout.
9119         (MOSTLYCLEANFILES): Likewise.
9120         (script_test_4): New target.
9121         (script_test_4.stdout): New target.
9122         * testsuite/Makefile.in: Rebuild.
9124         * sparc.cc: Add definitions for Output_data_plt_sparc class
9125         constants.
9127 2008-04-14  David S. Miller  <davem@davemloft.net>
9129         * sparc.cc: New file.
9130         * Makefile.am (TARGETSOURCES): Add sparc.cc
9131         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
9132         * configure.tgt: Document targ_extra_size and
9133         targ_extra_big_endian.  Add entries for sparc-* and
9134         sparc64-*.
9135         * configure.ac: Handle targ_extra_size and
9136         targ_extra_big_endian.
9137         * Makefile.in: Rebuild.
9138         * configure: Likewise.
9139         * po/POTFILES.in: Likewise.
9140         * po/gold.pot: Likewise.
9142 2008-04-14  Ian Lance Taylor  <iant@google.com>
9144         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
9145         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
9146         in the name/type/flags to section mapping.  Don't call
9147         allocate_output_section.
9148         (Layout::choose_output_section): Change parameter from adjust_name
9149         to is_input_section.  Don't permit input sections after sections
9150         are attached to segments.  Don't call allocate_output_section.
9151         (Layout::layout_eh_frame): Call update_flags_for_input_section,
9152         not write_enable_output_section.
9153         (Layout::make_output_section): Don't push to
9154         unattached_section_list_ nor call attach_to_segment.  Call
9155         attach_section_to_segment if sections are attached.
9156         (Layout::attach_sections_to_segments): New function.
9157         (Layout::attach_section_to_segment): New function.
9158         (Layout::attach_allocated_section_to_segment): Rename from
9159         attach_to_segment.  Remove flags parameter.
9160         (Layout::allocate_output_section): Remove function.
9161         (Layout::write_enable_output_section): Remove function.
9162         * layout.h (class Layout): Update for above changes.  Add new
9163         field sections_are_attached_.
9164         * output.h (Output_section::update_flags_for_input_section): New
9165         function.
9166         * output.cc (Output_section::add_input_section): Call
9167         update_flags_for_input_section.
9168         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
9170 2008-04-11  Cary Coutant  <ccoutant@google.com>
9172         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
9173         thought unnecessary.
9174         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
9176 2008-04-11  Ian Lance Taylor  <iant@google.com>
9178         * output.h (class Output_section_data): Remove inline definition
9179         of set_addralign.
9180         * output.cc (Output_section_data::set_addralign): New function.
9182 2008-04-11  Cary Coutant  <ccoutant@google.com>
9184         Add support for TLS descriptors for i386 and x86_64.
9185         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
9186         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
9187         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
9188         GOT_TYPE_TLS_DESC.
9189         (Target_i386::got_mod_index_entry): Remove unnecessary code.
9190         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
9191         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
9192         relocations.
9193         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
9194         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
9195         Fix problem with initial-exec relocations.
9196         (Target_i386::Relocate::relocate_tls): Likewise.
9197         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
9198         relaxation.
9199         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
9200         support for section-plus-offset dynamic table entries.
9201         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
9202         (Output_data_dynamic::Dynamic_entry): Add support for
9203         section-plus-offset dynamic table entries.
9204         (Output_data_dynamic::Classification): Likewise.
9205         (Output_data_dynamic::classification_): Renamed offset_.
9206         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
9207         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
9208         (Target_x86_64::make_plt_section): New function.
9209         (Target_x86_64::reserve_tlsdesc_entries): New function.
9210         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
9211         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
9212         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
9213         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
9214         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
9215         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
9216         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
9217         add extra PLT entry for TLS descriptors.
9218         (Output_data_plt_x86_64::got_): New field.
9219         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
9220         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
9221         fields.
9222         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
9223         descriptors.
9224         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
9225         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
9226         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
9227         R_386_TLS_DESC_CALL relocations.
9228         (Target_x86_64::Scan::global): Likewise.
9229         (Target_x86_64::do_finalize_sections): Add dynamic table entries
9230         for TLS descriptors.
9231         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
9232         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
9233         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
9234         GD-to-IE relaxation.
9235         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
9236         and TLS_DESCRIPTORS.
9237         * Makefile.in: Rebuild.
9238         * configure: Rebuild.
9239         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
9240         (tls_test_shared2.so): New target.
9241         (tls_shared_gd_to_ie_test_SOURCES): New variable.
9242         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
9243         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
9244         (tls_shared_gd_to_ie_test_LDADD): New variable.
9245         (tls_shared_gnu2_gd_to_ie_test): New target.
9246         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
9247         New targets.
9248         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
9249         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
9250         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
9251         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
9252         (tls_shared_gnu2_test): New target.
9253         (tls_test_gnu2_shared.so): New target.
9254         (tls_shared_gnu2_test_SOURCES): New variable.
9255         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
9256         (tls_shared_gnu2_test_LDFLAGS): New variable.
9257         (tls_shared_gnu2_test_LDADD): New variable.
9258         * testsuite/Makefile.in: Rebuild.
9259         * testsuite/Makefile.
9261 2008-04-11  Ian Lance Taylor  <iant@google.com>
9263         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
9264         justsyms.t.
9265         * testsuite/Makefile.in: Rebuild.
9267         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
9268         long.
9269         * testsuite/script_test_2.cc (main): Adjust test.
9271 2008-04-11  David S. Miller  <davem@davemloft.net>
9272             Ian Lance Taylor  <iant@google.com>
9274         * options.h (General_options): Add entries for '-Y' and
9275         '-relax'.
9276         * options.cc (General_options:finalize): If -Y was used, add those
9277         entries to the library path instead of the default "/lib" and
9278         "/usr/lib".
9280 2008-04-11  David S. Miller  <davem@davemloft.net>
9282         * testsuite/justsyms.t: Start at 0x100.
9283         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
9284         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
9285         long.
9286         * testsuite/script_test_2.cc: Adjust string and section length
9287         checks.
9289 2008-04-09  Ian Lance Taylor  <iant@google.com>
9291         PR gold/5996
9292         * script-sections.cc (Sections_element::allocate_to_segment): Add
9293         orphan parameter.
9294         (Output_section_definition::allocate_to_segment): Likewise.
9295         (Orphan_output_section::allocate_to_segment): Likewise.
9296         (Script_sections::attach_sections_using_phdrs_clause): Don't
9297         propagate non-PT_LOAD segments to orphan sections.
9298         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9299         readelf rather than objdump.
9300         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9301         .interp section and PT_INTERP segment are the same size.
9302         * testsuite/Makefile.in: Rebuild.
9304         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9305         aliases for symbols defined in the same object.
9306         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9307         (weak_alias_test_SOURCES): New variable.
9308         (weak_alias_test_DEPENDENCIES): New variable.
9309         (weak_alias_test_LDFLAGS): New variable.
9310         (weak_alias_test_LDADD): New variable.
9311         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9312         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9313         (weak_alias_test_3.o): New target.
9314         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9315         * testsuite/weak_alias_test_main.cc: New file.
9316         * testsuite/weak_alias_test_1.cc: New file.
9317         * testsuite/weak_alias_test_2.cc: New file.
9318         * testsuite/weak_alias_test_3.cc: New file.
9320 2008-04-08  Ian Lance Taylor  <iant@google.com>
9322         * options.h (class General_options): Add --noinhibit-exec option.
9323         * main.cc (main): Check --noinhibit-exec.
9325         * options.h (class General_options): Define --wrap as a special
9326         option.  Add wrap_symbols_ field.
9327         (General_options::any_wrap_symbols): New function.
9328         (General_options::is_wrap_symbol): New function.
9329         * options.cc (General_options::parse_wrap): New function.
9330         (General_options::General_options): Initialize wrap_symbols_.
9331         * symtab.cc (Symbol_table::wrap_symbol): New function.
9332         (Symbol_table::add_from_object): Handle --wrap.
9333         * symtab.h (class Symbol_table): Declare wrap_symbol.
9334         * target.h (Target::wrap_char): New function.
9335         (Target::Target_info): Add wrap_char field.
9336         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9337         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9338         * testsuite/testfile.cc (Target_test::test_target_info):
9339         Likewise.
9341         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9342         there is one.
9344         * layout.h (class Layout): Add added_eh_frame_data_ field.
9345         * layout.cc (Layout::Layout): Initialize new field.
9346         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9347         output section until we find a section we merged successfully.
9348         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9349         that the size be non-zero.
9351         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9352         qualifier.
9354 2008-04-08  Craig Silverstein  <csilvers@google.com>
9356         * configure.ac: Export new conditional variable HAVE_ZLIB.
9357         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9358         on HAVE_ZLIB.
9359         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9360         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9362 2008-04-07  Ian Lance Taylor  <iant@google.com>
9364         * version.cc (version_string): Set to "1.5".
9366         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9367         Add issued_non_pic_error_ field.  Declare check_non_pic.
9368         (Target_x86_64::Scan::check_non_pic): New function.
9369         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9370         (Target_x86_64::Scan::global): Likewise.
9372         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9373         addend parameter.  Change caller.  Handle merge sections.
9374         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9375         Address to Addend.  Don't add in the result of
9376         local_section_offset, pass down the addend and use the returned
9377         value.
9378         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9379         Update declarations of local_section_offset and symbol_value.
9380         * testsuite/two_file_test_1.cc (t18): New function.
9381         * testsuite/two_file_test_2.cc (f18): New function.
9382         * testsuite/two_file_test_main.cc (main): Call t18.
9383         * testsuite/two_file_test.h (t18, f18): Declare.
9385         * configure.ac: Don't test for objdump, c++filt, or readelf.
9386         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
9387         conditionals.
9388         (TEST_READELF): New variable.
9389         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
9390         (check_PROGRAMS): Add two_file_strip_test.
9391         (two_file_strip_test): New target.
9392         (check_PROGRAMS): Add two_file_same_shared_strip_test.
9393         (two_file_same_shared_strip_test_SOURCES): New variable.
9394         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
9395         (two_file_same_shared_strip_test_LDFLAGS): New variable.
9396         (two_file_same_shared_strip_test_LDADD): New variable.
9397         (two_file_shared_strip.so): New target.
9398         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
9399         (ver_test_5.syms, ver_test_7.syms): Likewise.
9400         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
9401         (strip_test_3.stdout): Use TEST_OBJDUMP.
9402         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9404 2008-04-04  Cary Coutant  <ccoutant@google.com>
9406         * symtab.h (Symbol::is_weak_undefined): New function.
9407         (Symbol::is_strong_undefined): New function.
9408         (Symbol::is_absolute): New function.
9409         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
9410         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
9411         absolute symbols.
9412         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
9413         (weak_undef_test): New target.
9414         * testsuite/Makefile.in: Rebuild.
9415         * testsuite/weak_undef_file1.cc: New file.
9416         * testsuite/weak_undef_file2.cc: New file.
9417         * testsuite/weak_undef_test.cc: New file.
9419 2008-04-03  Craig Silverstein  <csilvers@google.com>
9421         * compressed_output.h (class Output_compressed_section): Use
9422         unsigned buffer.
9423         * compressed_output.cc (zlib_compress): Use unsigned buffers,
9424         add zlib header.
9425         (zlib_compressed_suffix): Removed.
9426         (Output_compressed_section::set_final_data_size): Use unsigned
9427         buffers.
9428         * testsuite/Makefile.am (flagstest_compress_debug_sections):
9429         Fix linker invocation.
9430         (flagstest_o_specialfile_and_compress_debug_sections):
9431         Likewise.
9432         * testsuite/Makefile.in: Regenerated.
9434 2008-04-02  David S. Miller  <davem@davemloft.net>
9436         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
9437         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
9439 2008-04-02  Craig Silverstein  <csilvers@google.com>
9441         * TODO: New file.
9443 2008-04-02  Ian Lance Taylor  <iant@google.com>
9445         * fileread.cc (File_read::find_view): Add byteshift and vshifted
9446         parameters.  Update for new key type to views_.  Change all
9447         callers.
9448         (File_read::read): Adjust for byteshift in returned view.
9449         (File_read::add_view): New function, broken out of
9450         find_and_make_view.
9451         (File_read::make_view): New function, broken out of
9452         find_and_make_view.
9453         (File_read::find_or_make_view): Add offset and aligned
9454         parameters.  Rewrite accordingly.  Change all callers.
9455         (File_read::get_view): Add offset and aligned parameters.  Adjust
9456         for byteshift in return value.
9457         (File_read::get_lasting_view): Likewise.
9458         * fileread.h (class File_read): Update declarations.
9459         (class File_read::View): Add byteshift_ field.  Add byteshift to
9460         constructor.  Add byteshift method.
9461         * archive.h (Archive::clear_uncached_views): New function.
9462         (Archive::get_view): Add aligned parameter.  Change all callers.
9463         * object.h (Object::get_view): Add aligned parameter.  Change all
9464         callers.
9465         (Object::get_lasting_view): Likewise.
9467         * fileread.cc (File_read::release): Don't call clear_views if
9468         there are multiple objects.
9469         * fileread.h (File_read::clear_uncached_views): New function.
9470         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
9471         on the archive.
9473 2008-03-31  Cary Coutant  <ccoutant@google.com>
9475         Add thin archive support.
9476         * archive.cc (Archive::armagt): New const.
9477         (Archive::setup): Remove task parameter and calls to unlock.
9478         (Archive::unlock_nested_archives): New function.
9479         (Archive::read_header): Add nested_off parameter. Change
9480         all callers.
9481         (Archive::interpret_header): Likewise.
9482         (Archive::include_all_members): Change to handle thin
9483         archives.
9484         (Archive::include_member): Likewise.
9485         * archive.h (Archive::Archive): Add new parameters and
9486         initializers.
9487         (Archive::armagt): New const.
9488         (Archive::setup): Remove task parameter.
9489         (Archive::unlock_nested_archives): New function.
9490         (Archive::read_header): Add nested_off parameter.
9491         (Archive::interpret_header): Likewise.
9492         (Archive::Nested_archive_table): New typedef.
9493         (Archive::is_thin_archive_): New field.
9494         (Archive::nested_archives_): New field.
9495         (Archive::options_): New field.
9496         (Archive::dirpath_): New field.
9497         (Archive::task_): New field.
9498         * readsyms.cc (Read_symbols::do_read_symbols): Add check
9499         for thin archives.  Pass additional parameters to
9500         Archive::Archive.  Unlock the archive file after calling
9501         Archive::setup.
9503 2008-03-29  Ian Lance Taylor  <iant@google.com>
9505         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
9506         version symbol to be local.
9507         * testsuite/ver_test_4.sh: New file.
9508         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
9509         (check_DATA): Add ver_test_4.syms.
9510         (ver_test_4.syms): New target.
9511         * testsuite/Makefile.in: Rebuild.
9513         * output.cc
9514         (Output_section::Input_section_sort_entry::has_priority): New
9515         function.
9516         (Output_section::Input_section_sort_entry::match_file_name): New
9517         function.
9518         (Output_section::Input_section_sort_entry::match_section_name):
9519         Remove.
9520         (Output_section::Input_section_sort_entry::match_section_name_prefix):
9521         Remove.
9522         (Output_section::Input_section_sort_entry::match_section_file):
9523         Remove.
9524         (Output_section::Input_section_sort_compare::operator()): Rewrite
9525         using new Input_section_sort_entry functions.  Sort crtbegin and
9526         crtend first.  Sort sections with no priority before sections with
9527         a priority.
9528         * testsuite/initpri1.c (d3): Check j != 4.
9529         (cd5): New constructor/destructor function.
9530         (main): Check j != 2.
9532         * symtab.cc (Symbol_table::add_from_object): If we don't use the
9533         new symbol when resolving, don't call set_is_default.
9534         * testsuite/ver_test_7.cc: New file.
9535         * testsuite/ver_test_7.sh: New file.
9536         * testsuite/Makefile.am (ver_test_7.so): New target.
9537         (ver_test_7.o): New target.
9538         (check_SCRIPTS): Add ver_test_7.sh.
9539         (check_DATA): Add ver_test_7.syms.
9540         (ver_test_7.syms): New target.
9542 2008-03-28  Ian Lance Taylor  <iant@google.com>
9544         * layout.cc (Layout::layout): If we see an input section with a
9545         name that needs sorting, set the must_sort flag for the output
9546         section.
9547         (Layout::make_output_section): If the name of the output section
9548         indicates that it might require sorting, set the may_sort flag.
9549         * output.h (Output_section::may_sort_attached_input_sections): New
9550         function.
9551         (Output_section::set_may_sort_attached_input_sections): New
9552         function.
9553         (Output_section::must_sort_attached_input_sections): New
9554         function.
9555         (Output_section::set_must_sort_attached_input_sections): New
9556         function.
9557         (class Output_section): Declare Input_section_sort_entry.  Define
9558         Input_section_sort_compare.  Declare
9559         sort_attached_input_sections.  Add new fields:
9560         may_sort_attached_input_sections_,
9561         must_sort_attached_input_sections_,
9562         attached_input_sections_are_sorted_.
9563         * output.cc (Output_section::Output_section): Initialize new
9564         fields.
9565         (Output_section::add_input_section): Add an entry to
9566         input_sections_ if may_sort or must_sort are true.
9567         (Output_section::set_final_data_size): Call
9568         sort_attached_input_sections if necessary.
9569         (Output_section::Input_section_sort_entry): Define new class.
9570         (Output_section::Input_section_sort_compare::operator()): New
9571         function.
9572         (Output_section::sort_attached_input_sections): New function.
9573         * configure.ac: Check whether the compiler supports constructor
9574         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9575         * testsuite/initpri1.c: New file.
9576         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9577         CONSTRUCTOR_PRIORITY.
9578         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9579         (initpri1_LDFLAGS): New variable.
9580         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9582 2008-03-27  Ian Lance Taylor  <iant@google.com>
9584         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9585         * testsuite/common_test_1.c: New file.
9586         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9587         (common_test_1_SOURCES): New variable.
9588         (common_test_1_DEPENDENCIES): New variable.
9589         (common_test_1_LDFLAGS): New variable.
9591         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9592         and commons_ correctly when NAME/VERSION does not override
9593         NAME/NULL.
9594         * testsuite/ver_test_6.c: New file.
9595         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9596         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9597         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9599 2008-03-26  Ian Lance Taylor  <iant@google.com>
9601         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9602         of an undefined symbol from a version script.
9603         * testsuite/Makefile.am (ver_test_5.so): New target.
9604         (ver_test_5.o): New target.
9605         (check_SCRIPTS): Add ver_test_5.sh.
9606         (check_DATA): Add ver_test_5.syms.
9607         (ver_test_5.syms): New target.
9608         * testsuite/ver_test_5.cc: New file.
9609         * testsuite/ver_test_5.script: New file.
9610         * testsuite/ver_test_5.sh: New file.
9611         * Makefile.in, testsuite/Makefile.in: Rebuild.
9613         PR gold/5986
9614         Fix problems building gold with gcc 4.3.0.
9615         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9616         (gold_error_at_location, gold_warning_at_location): Use it.
9617         * configure.ac: Check whether we can compile and use a template
9618         function with a printf attribute.
9619         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9620         when jumping over bytes.
9621         * object.cc: Instantiate Object::read_section_data.
9622         * debug.h: Include <cstring>
9623         * dwarf_reader.cc: Include <algorithm>
9624         * main.cc: Include <cstring>.
9625         * options.cc: Include <cstring>.
9626         * output.cc: Include <cstring>.
9627         * script.cc: Include <cstring>.
9628         * script.h: Include <string>.
9629         * symtab.cc: Include <cstring> and <algorithm>.
9630         * target-select.cc: Include <cstring>.
9631         * version.cc: Include <string>.
9632         * testsuite/testmain.cc: Include <cstdlib>.
9633         * configure, config.in: Rebuild.
9635 2008-03-25  Ian Lance Taylor  <iant@google.com>
9637         * options.cc: Include "../bfd/bfdver.h".
9638         (options::help): Print bug reporting address.
9640         * version.cc (print_version): Adjust output for current value of
9641         BFD_VERSION_STRING.
9643         * NEWS: New file.
9645         * options.cc (options::help): Print list of supported targets.
9646         * target-select.h: Include <vector>.
9647         (class Target_selector): Make machine_, size_, and is_big_endian_
9648         fields const.  Add bfd_name_ and instantiated_target_ fields.
9649         (Target_selector::Target_selector): Add bfd_name parameter.
9650         (Target_selector::recognize): Make non-virtual, call
9651         do_recognize.
9652         (Target_selector::recognize_by_name): Make non-virtual, call
9653         do_recognize_by_name.
9654         (Target_selector::supported_names): New function.
9655         (Target_selector::bfd_name): New function.
9656         (Target_selector::do_instantiate_target): New pure virtual
9657         function.
9658         (Target_selector::do_recognize): New virtual function.
9659         (Target_selector::do_recognize_by_name): New virtual function.
9660         (Target_selector::instantiate_target): New private function.
9661         (supported_target_names): Declare.
9662         * target-select.cc (Target_selector::Target_selector): Update for
9663         new parameter and fields.
9664         (select_target_by_name): Check that the name matches before
9665         calling recognize_by_name.
9666         (supported_target_names): New function.
9667         * i386.cc (class Target_selector_i386): Update Target_selector
9668         constructor call.  Remove recognize and recognize_by_name.  Add
9669         do_instantiate_target.
9670         * x86_64.cc (class Target_selector_x86_64): Likewise.
9671         * testsuite/testfile.cc (class Target_selector_test): Update for
9672         changes to Target_selector.
9674         * README: Rewrite, with some notes on unsupported features.
9676 2008-03-24  Cary Coutant  <ccoutant@google.com>
9678         * i386.cc (Target_i386::Got_type): New enum declaration.
9679         (Target_i386::Scan::local): Updated callers of Output_data_got
9680         member functions.
9681         (Target_i386::Scan::global): Likewise.
9682         (Target_i386::Relocate::relocate): Likewise.
9683         (Target_i386::Relocate::relocate_tls): Likewise.
9684         * object.h (Got_offset_list): New class.
9685         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9686         (Sized_relobj::local_got_offset): Likewise.
9687         (Sized_relobj::set_local_got_offset): Likewise.
9688         (Sized_relobj::local_has_tls_got_offset): Removed.
9689         (Sized_relobj::local_tls_got_offset): Removed.
9690         (Sized_relobj::set_local_tls_got_offset): Removed.
9691         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9692         * output.cc (Output_data_got::add_global): Added got_type parameter.
9693         (Output_data_got::add_global_with_rel): Likewise.
9694         (Output_data_got::add_global_with_rela): Likewise.
9695         (Output_data_got::add_global_pair_with_rel): New function.
9696         (Output_data_got::add_global_pair_with_rela): New function.
9697         (Output_data_got::add_local): Added got_type parameter.
9698         (Output_data_got::add_local_with_rel): Likewise.
9699         (Output_data_got::add_local_with_rela): Likewise.
9700         (Output_data_got::add_local_pair_with_rel): New function.
9701         (Output_data_got::add_local_pair_with_rela): New function.
9702         (Output_data_got::add_global_tls): Removed.
9703         (Output_data_got::add_global_tls_with_rel): Removed.
9704         (Output_data_got::add_global_tls_with_rela): Removed.
9705         (Output_data_got::add_local_tls): Removed.
9706         (Output_data_got::add_local_tls_with_rel): Removed.
9707         (Output_data_got::add_local_tls_with_rela): Removed.
9708         * output.h (Output_data_got::add_global): Added got_type parameter.
9709         (Output_data_got::add_global_with_rel): Likewise.
9710         (Output_data_got::add_global_with_rela): Likewise.
9711         (Output_data_got::add_global_pair_with_rel): New function.
9712         (Output_data_got::add_global_pair_with_rela): New function.
9713         (Output_data_got::add_local): Added got_type parameter.
9714         (Output_data_got::add_local_with_rel): Likewise.
9715         (Output_data_got::add_local_with_rela): Likewise.
9716         (Output_data_got::add_local_pair_with_rel): New function.
9717         (Output_data_got::add_local_pair_with_rela): New function.
9718         (Output_data_got::add_global_tls): Removed.
9719         (Output_data_got::add_global_tls_with_rel): Removed.
9720         (Output_data_got::add_global_tls_with_rela): Removed.
9721         (Output_data_got::add_local_tls): Removed.
9722         (Output_data_got::add_local_tls_with_rel): Removed.
9723         (Output_data_got::add_local_tls_with_rela): Removed.
9724         * resolve.cc (Symbol::override_base_with_special): Removed
9725         reference to has_got_offset_ field.
9726         * symtab.cc (Symbol::init_fields): Replaced initialization
9727         of got_offset_ with got_offsets_.  Removed initialization
9728         of has_got_offset_
9729         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9730         (Symbol::got_offset): Likewise.
9731         (Symbol::set_got_offset): Likewise.
9732         (Symbol::has_tls_got_offset): Removed.
9733         (Symbol::tls_got_offset): Removed.
9734         (Symbol::set_tls_got_offset): Removed.
9735         (Symbol::got_offset_): Removed.
9736         (Symbol::tls_mod_got_offset_): Removed.
9737         (Symbol::tls_pair_got_offset_): Removed.
9738         (Symbol::got_offsets_): New field.
9739         (Symbol::has_got_offset): Removed.
9740         (Symbol::has_tls_mod_got_offset): Removed.
9741         (Symbol::has_tls_pair_got_offset): Removed.
9742         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9743         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9744         member functions.
9745         (Target_x86_64::Scan::global): Likewise.
9746         (Target_x86_64::Relocate::relocate): Likewise.
9747         (Target_x86_64::Relocate::relocate_tls): Likewise.
9749 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9751         * yyscript.y: Fix spelling error in comment.
9753 2008-03-24  Ian Lance Taylor  <iant@google.com>
9755         * options.h (class General_options): Define build_id option.
9756         * layout.h (class Layout): Declare write_build_id, create_note,
9757         create_build_id.  Add build_id_note_ member.
9758         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9759         "libiberty.h", "md5.h", "sha1.h".
9760         (Layout::Layout): Initialize eh_frame_data_,
9761         eh_frame_hdr_section_, and build_id_note_.
9762         (Layout::finalize): Call create_build_id.
9763         (Layout::create_note): New function, broken out of
9764         Layout::create_gold_note.
9765         (Layout::create_gold_note): Call create_note.
9766         (Layout::create_build_id): New function.
9767         (Layout::write_build_id): New function.
9768         (Close_task_runner::run): Call write_build_id.
9770         * x86_64.cc: Correct license to GPLv3.
9772 2008-03-23  Ian Lance Taylor  <iant@google.com>
9774         * options.cc: Include "demangle.h".
9775         (parse_optional_string): New function.
9776         (parse_long_option): Handle takes_optional_argument.
9777         (parse_short_option): Update dash_z initializer.  Handle
9778         takes_optional_argument.
9779         (General_options::General_options): Initialize do_demangle_.
9780         (General_options::finalize): Set do_demangle_.  Handle demangling
9781         style.
9782         * options.h (parse_optional_string): Declare.
9783         (struct One_option): Add optional_arg field.  Update constructor.
9784         Update call constructor calls.  Add takes_optional_argument
9785         function.
9786         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9787         (DEFINE_optional_string): Define.
9788         (General_options::demangle): Change from DEFINE_bool to
9789         DEFINE_optional_string.
9790         (General_options::no_demangle): New function.
9791         (General_options::do_demangle): New function.
9792         (General_options::set_do_demangle): New function.
9793         (General_options::execstack_status_): Move definition to end of
9794         class definition.
9795         (General_options::static_): Likewise.
9796         (General_options::do_demangle_): New field.
9797         * object.cc (big_endian>::get_symbol_location_info): Call
9798         Options::do_demangle, not Options::demangle.
9799         * symtab.cc (demangle): Likewise.
9801 2008-03-22  Ian Lance Taylor  <iant@google.com>
9803         * gold.h: Include <cstddef> and <sys/types.h>
9804         * options.h: Include <cstring>.
9806 2008-03-21  Ian Lance Taylor  <iant@google.com>
9808         * Added source code to GNU binutils.