PR ld/12339
[binutils.git] / gold / ChangeLog
bloba1207cfae51f85ddbc34db5aa77a05b2f20c11ac
1 2011-01-10  Ian Lance Taylor  <iant@google.com>
3         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
4         section as relro.
5         (Layout::set_segment_offsets): Reset increase_relro before calling
6         set_section_addresses a second time.
8 2011-01-04  Cary Coutant  <ccoutant@google.com>
10         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
11         sections before NOBITS sections.
13 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
15         * version.cc (print_version): Update copyright to 2011.
17 2010-12-23  Cary Coutant  <ccoutant@google.com>
19         * output.h (Output_data_reloc::add_output_section): Pass OD instead
20         of OS to this->add.  Add OD parameter to second form of the function.
22 2010-12-20  Ian Lance Taylor  <iant@google.com>
24         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
25         second of two consecutive entries with same offset.
27 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
29         * testsuite/Makefile.am (ifuncmain2static_LDADD)
30         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
31         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
32         to avoid unneeded links against $(LDADD).
33         * testsuite/Makefile.in: Regenerate.
35 2010-12-15  Ian Lance Taylor  <iant@google.com>
37         PR gold/12324
38         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
39         for R_X86_64_32 and R_X86_64_PC32.
40         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
41         ver_matching_def_pic.o.
42         (ver_matching_def_pic.o): New target.
44 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
46         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
47         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
48         Move definition before File_read::View member definitions.
49         (File_read::View::~View): Initialize and hold lock before
50         updating current_mapped_bytes.
52 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
54         * dwarf_reader.cc: Remove outdated comment.
55         * gold-threads.cc: Fix typo in error message.
56         * archive.cc: Fix typos in comments.
57         * archive.h: Likewise.
58         * arm-reloc-property.cc: Likewise.
59         * arm-reloc-property.h: Likewise.
60         * arm-reloc.def: Likewise.
61         * arm.cc: Likewise.
62         * attributes.h: Likewise.
63         * cref.cc: Likewise.
64         * ehframe.cc: Likewise.
65         * fileread.h: Likewise.
66         * gold.h: Likewise.
67         * i386.cc: Likewise.
68         * icf.cc: Likewise.
69         * incremental.h: Likewise.
70         * int_encoding.cc: Likewise.
71         * layout.h: Likewise.
72         * main.cc: Likewise.
73         * merge.h: Likewise.
74         * object.cc: Likewise.
75         * object.h: Likewise.
76         * options.cc: Likewise.
77         * readsyms.cc: Likewise.
78         * reduced_debug_output.cc: Likewise.
79         * reloc.cc: Likewise.
80         * script-sections.cc: Likewise.
81         * sparc.cc: Likewise.
82         * symtab.h: Likewise.
83         * target-reloc.h: Likewise.
84         * target.cc: Likewise.
85         * target.h: Likewise.
86         * timer.cc: Likewise.
87         * timer.h: Likewise.
88         * x86_64.cc: Likewise.
90 2010-12-09  Cary Coutant  <ccoutant@google.com>
92         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
93         stack.
94         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
95         parameter; change all callers.
96         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
97         * options.h (warn_execstack): New option.
99 2010-12-07  Doug Kwan  <dougkwan@google.com>
101         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
102         like function call relocations.
104 2010-12-07  Ian Lance Taylor  <iant@google.com>
106         * archive.cc (Archive::get_elf_object_for_member): Permit
107         punconfigured to be NULL.
108         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
109         (Archive::include_member): Pass NULL to get_elf_object_for_member
110         if we searched for the archive and this is the first included
111         object.
113 2010-12-01  Ian Lance Taylor  <iant@google.com>
115         * dwarf_reader.h (class Sized_dwarf_line_info): Add
116         track_relocs_type_ field.
117         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
118         Set track_relocs_type_.
119         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
120         contents when using RELA relocs.
121         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
122         reloc_map_.
123         * reloc.cc (Track_relocs::next_addend): New function.
124         * reloc.h (class Track_relocs): Declare next_addend.
126 2010-12-01  Ian Lance Taylor  <iant@google.com>
128         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
129         virtual destructor.
131 2010-12-01  Ian Lance Taylor  <iant@google.com>
133         * README: Update compilers known to work and fail.
135 2010-11-23  Matthias Klose  <doko@ubuntu.com>
137         * configure.in: For --enable-gold, handle value `default' instead of
138         `both*'.  Always install ld as ld.bfd, install as ld if gold is
139         not the default.
140         * configure: Regenerate.
142 2010-11-18  Doug Kwan  <dougkwan@google.com>
144         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
145         and right_alignment to be zero.  Store result alignment only if it is
146         greater than existing alignment.
148 2010-11-16  Cary Coutant  <ccoutant@google.com>
150         PR gold/12220
151         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
152         Check for ".zdebug_line".
154 2010-11-16  Doug Kwan  <dougkwan@google.com>
155             Cary Coutant  <ccoutant@google.com>
157         * output.h (Output_segment::set_section_addresses): Pass increase_relro
158         by reference; adjust all callers.
159         * output.cc (Output_segment::set_section_addresses): Adjust references
160         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
161         list is empty.
162         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
163         end at page boundary.
165 2010-11-16  Cary Coutant  <ccoutant@google.com>
167         PR gold/12220
168         * layout.cc (Layout::choose_output_section): Transform names of
169         compressed sections even when using a script with a SECTIONS clause.
170         (Layout::output_section_name): Remove code to transform
171         compressed debug section names.
172         * output.cc (Output_section::add_input_section): Use uncompressed
173         section size when tracking input sections.
175 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
177         * symtab.h (Symbol::NON_PIC_REF): Remove.
178         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
179         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
180         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
181         (Symbol::use_plt_offset): Take a flags argument and pass it
182         directly to needs_dynamic_reloc.  Restrict check for undefined
183         weak symbols to function calls.
184         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
185         (Target_arm::Scan::global): Use it.
186         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
187         (Target_arm::Relocate::relocate): Likewise.
188         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
189         parameter with an r_type parameter.  Use get_reference_flags
190         to get the flags.
191         (Target_arm::Relocate::relocate): Update accordingly.
192         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
193         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
194         (Target_i386::Scan::global): Likewise.
195         (Target_i386::Relocate::relocate): Likewise.
196         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
197         parameter with an r_type parameter.  Use get_reference_flags
198         to get the flags.
199         (Target_i386::Relocate::relocate): Update accordingly.
200         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
201         (Target_powerpc::Scan::global): Use it.
202         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
203         (Target_powerpc::Relocate::relocate): Likewise.
204         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
205         (Target_sparc::Scan::global): Use it.
206         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
207         (Target_sparc::Relocate::relocate): Likewise.
208         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
209         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
210         (Target_x86_64::Scan::global): Likewise.
211         (Target_x86_64::Relocate::relocate): Likewise.
213 2010-11-08  Doug Kwan  <dougkwan@google.com>
214             Cary Coutant  <ccoutant@google.com>
216         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
217         (Arm_exidx_merge_section::section_contents_): New data member.
218         (Arm_input_section::Arm_input_section): Initialize original_contents_.
219         (Arm_input_section::~Arm_input_section): De-allocate memory.
220         (Arm_input_section::original_contents_): New data member.       
221         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
222         in parameters instead of calling Object::section_contents without
223         locking.
224         (Arm_output_section::group_section): New parameter TASK.  Pass it
225         to callees that need locking objects.
226         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
227         to lock EXIDX input sections.  Fix a formatting issue.  Call
228         Arm_exidx_merged_section::build_contents to create merged section
229         contents.
230         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
231         to lock object of stub table owner.
232         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
233         TEXT_SIZE to initialize data member TEXT_SIZE_.
234         (Arm_exidx_input_section::addralign): Fix typo in comment.
235         (Arm_exidx_input_section::text_size): New method.
236         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
237         that require locking objects.  Lock objects before scanning for stubs
238         and updating local symbols.
239         (Arm_input_section<big_endian>::init): Copy contents of original
240         input section.
241         (Arm_input_section<big_endian>::do_write): Use saved contents of
242         original input section instead of calling Object::section_contents
243         without locking.
244         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
245         size without calling Object::section_size().
246         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
247         for size.  Allocate a buffer for merged EXIDX entries.
248         (Arm_exidx_merged_section::build_contents): New method.
249         (Arm_exidx_merged_section::do_write): Move merge section contents
250         building code to Arm_exidx_merged_section::build_contetns.  Write
251         out contetns in buffer instead of building it on the fly.
252         (Arm_relobj::make_exidx_input_section): Also pass text section size
253         to Arm_exidx_input_section constructor.
254         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
255         (Arm_dynobj::do_read_symbols): Fix memory leak.
256         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
257         * target.h: (class Task): Add forward declaration.
258         (Target::relax): Add new parameter TASK and pass it to
259         Target::do_relax().
260         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
262 2010-11-05  Cary Coutant  <ccoutant@google.com>
264         PR gold/10708
265         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
266         object when reading from the file.
267         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
268         second layout pass.
269         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
270         when reading section contents.
271         (get_section_contents): Likewise.
272         (icf::find_identical_sections): Likewise.
273         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
274         object when reading from the file.
275         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
276         the object when doing deferred section layout.
278 2010-11-03  Nick Clifton  <nickc@redhat.com>
280         PR gold/12001
281         * script.h (class Symbol_assignment: name): New member.  Returns
282         the name of the symbol.
283         * scrfipt.cc (Script_options::is_pending_assignment): New member.
284         Returns true if the given symbol name is on the list of
285         assignments wating to be processed.
286         * archive.cc (should_incldue_member): If the symbol is undefined,
287         check to see if it is on the list of symbols pending assignment.
289 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
291         * script-sections.cc (Script_sections::find_memory_region): Check
292         for a NULL output section pointer.
294 2010-10-29  Doug Kwan  <dougkwan@google.com>
296         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
297         Output_section::add_relaxed_input_section.
298         * output.cc (Output_section::add_relaxed_input_section): Add new
299         arguments LAYOUT and NAME.  Set section order index.
300         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
301         Copy section order index.
302         * output.h (Output_section::add_relaxed_input_section): Add new
303         arguments LAYOUT and NAME.
305 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
307         * testsuite/Makefile.am: Move gcctestdir/ld rule to
308         NATIVE_OR_CROSS_LINKER.
309         * testsuite/Makefile.in: Regenerate.
311 2010-10-20  Doug Kwan  <dougkwan@google.com>
313         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
314         without SHF_LINK_ORDER flags.
315         * layout.cc (Layout::choose_output_section): Do not filter
316         SHF_LINK_ORDER flag in a relocatable link.
318 2010-10-17  Cary Coutant  <ccoutant@google.com>
320         * output.h (Output_segment::set_section_addresses): Change function
321         signature.  Update all callers.
322         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
323         sections.
324         (Output_segment::set_section_addresses): Align after last TLS
325         section.  Add padding before last relro section instead of after.
327 2010-10-17  Doug Kwan  <dougkwan@google.com>
329         * gold/arm.cc (Target_arm::got_section): Use correct order and set
330         GOT output section to be writable.
332 2010-10-14  Cary Coutant  <ccoutant@google.com>
334         * debug.h (DEBUG_INCREMENTAL): New flag.
335         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
336         * gold.cc (queue_initial_tasks): Check parameters for incremental link
337         mode.
338         * incremental.cc (report_command_line): Ignore all forms of
339         --incremental.
340         * layout.cc (Layout::Layout): Check parameters for incremental link
341         mode.
342         * options.cc (General_options::parse_incremental): New function.
343         (General_options::parse_no_incremental): New function.
344         (General_options::parse_incremental_full): New function.
345         (General_options::parse_incremental_update): New function.
346         (General_options::incremental_mode_): New data member.
347         (General_options::finalize): Check incremental_mode_.
348         * options.h (General_options): Update help text for --incremental.
349         Add --no-incremental, --incremental-full, --incremental-update.
350         (General_options::Incremental_mode): New enum type.
351         (General_options::incremental_mode): New function.
352         (General_options::incremental_mode_): New data member.
353         * parameters.cc (Parameters::incremental_mode_): New data member.
354         (Parameters::set_options): Set incremental_mode_.
355         (Parameters::set_incremental_full): New function.
356         (Parameters::incremental): New function.
357         (Parameters::incremental_update): New function.
358         (set_parameters_incremental_full): New function.
359         * parameters.h (Parameters::set_incremental_full): New function.
360         (Parameters::incremental): New function.
361         (Parameters::incremental_update): New function.
362         (Parameters::incremental_mode_): New data member.
363         (set_parameters_incremental_full): New function.
364         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
365         incremental link mode.
366         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
367         (Sized_relobj::do_relocate_sections): Likewise.
368         * testsuite/Makefile.am (incremental_test): Use --incremental-full
369         option.
370         * testsuite/Makefile.in: Regenerate.
371         * testsuite/incremental_test.sh: Filter all forms of --incremental.
373 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
375         * script-sections.h (class Script_sections): Make
376         Sections_elements typedef public.
377         * script-sections.cc (class Sort_output_sections): Add elements_
378         field.  Add constructor which sets it; change all callers.
379         (Sort_output_sections::is_before): New function.
380         (Sort_output_sections::operator()): Call is_before.
381         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
382         conditional.
383         * testsuite/script_test_10.sh: New test. Test script section
384         order.
385         * testsuite/script_test_10.t: Likewise.
386         * testsuite/script_test_10.s: Likewise.
387         * testsuite/Makefile.am: Wrap the cross linker tests and the
388         common tests into NATIVE_OR_CROSS_LINKER.
389         (check_SCRIPTS): Add script_test_10.sh.
390         (check_DATA): Add script_test_10.stdout.
391         (script_test_10.o, script_test_10): New targets.
392         (script_test_10.stdout): New target.
393         * configure, testsuite/Makefile.in: Regenerate.
395 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
397         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
398         error for the deprecated relocations.
399         (Target_arm::Scan::global): Likewise.
400         (Target_arm::Relocate::relocate): Likewise.
402 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
404         * fileread.cc (Input_file::find_file): Initialize *found_name
405         and *namep when using the fallback search for case 4.
407 2010-10-11  Cary Coutant  <ccoutant@google.com>
409         * options.h (class General_options): Redefine -z lazy as an alias for
410         the negation of -z now.
412 2010-10-11  Ian Lance Taylor  <iant@google.com>
414         * resolve.cc (symbol_to_bits): Report the value of the unsupported
415         binding.
417 2010-10-06  Nick Clifton  <nickc@redhat.com>
419         * script-sections.cc(class Memory_region): Remove
420         current_lma_offset_ field.  Rename current_vma_offset_ to
421         current_offset_.  Add last_section_ field.
422         (Memory_region::get_current_vma_address): Rename to
423         get_current_address.
424         (Memory_region::get_current_lma_address): Delete.
425         (Memory_region::increment_vma_offset): Rename to
426         increment_offset.
427         (Memory_region::increment_lma_offset): Delete.
428         (Memory_region::attributes_compatible): New method.  Returns
429         true if the provided section is compatible with the region.
430         (Memory_region::get_last_section): New method.  Returns the last
431         section to use the region.
432         (Memory_region::set_last_section): New method.  Stores the last
433         section to use the region.
434         (Script_sections::block_in_region): New method.  Returns true if
435         a block of memory is contained within a region.
436         (Script_sections::find_memory_region): New method.  Locates a
437         memory region to be used to set a VMA or LMA address.
438         (Output_section_definition::set_section_addresses): Add code to
439         check for addresses set by memory regions.
440         (Output_segment::set_section_addresses): Remove memory region
441         walking code.
442         (Script_sections::create_segment): Add a warning if a header
443         segment is created outside of any region.
444         * script-sections.h (class Script_sections): Add prototypes for
445         find_memory_region and block_in_region methods.
446         * testsuite/memory_test.s: Use .long instead of .word.
447         * testsuite/memory_test.t: Add some more output sections.
448         * testsuite/memory_test.sh: Update expected output.
450 2010-10-02  Doug Kwan  <dougkwan@google.com>
452         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
453         defintion to symtab.h
454         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
455         declaration to defintion.
457 2010-10-01  Nick Clifton  <nickc@redhat.com>
459         * expression.cc (eval): Replace dummy argument with NULL.
460         (eval_maybe_dot): Check for a NULL result section pointer.
461         (Symbol_expression::value): Likewise.
462         (Dot_expression::value): Likewise.
463         (BINARY_EXPRESSION): Likewise.
464         (Max_expression::value): Likewise.
465         (Min_expression::value): Likewise.
466         (Absolute_expression::value): Likewise.
467         (Addr_expression::value_from_output_section): Likewise.
468         (Loaddddr_expression::value_from_output_section): Likewise.
469         (Segment_start_expression::value): Likewise.
470         * script-sections.cc
471         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
472         argument with NULL.
473         (Sections_elememt_dot_assignment::set_section_addresses):
474         Likewise.
475         (Output_data_expression::do_write_to_buffer): Likewise.
476         (Output_section_definition::finalize_symbols): Likewise.
477         (Output_section_definition::set_section_addresses): Likewise.
479 2010-09-30  Doug Kwan  <dougkwan@google.com>
481         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
483 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
485         * target.h (Target::can_icf_inline_merge_sections): New virtual
486         function.
487         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
488         virtual function.
489         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
490         virtual function.
491         * icf.cc (get_section_contents): Inline merge sections only when
492         target allows it.
494 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
496         * configure: Regenerate.
498 2010-09-17  Ian Lance Taylor  <iant@google.com>
500         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
501         * testsuite/Makefile.am (memory_test.o): New target.
502         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
503         memory_test.t.
504         * testsuite/Makefile.in: Rebuild.
506 2010-09-17  Doug Kwan  <dougkwan@google.com>
508         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
509         defintion if relocation uses GOT entries of the symbol.
510         * testsuite/icf_safe_test.sh: Fix test.
511         * testsuite/icf_safe_so_test.sh: Fix test.
513 2010-09-16  Cary Coutant  <ccoutant@google.com>
515         * script_sections.cc (class Memory_region): Remove "NULL" from
516         vector initializations.
518 2010-09-15  Cary Coutant  <ccoutant@google.com>
520         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
521         Resolve forwarding symbols.
523 2010-09-15  Doug Kwan  <dougkwan@google.com>
525         * gold/testsuite/script_test_3.t: Add ARM special sections.
526         * gold/testsuite/script_test_4.t: Same.
527         * gold/testsuite/script_test_5.t: Same.
528         * gold/testsuite/script_test_6.t: Same.
529         * gold/testsuite/script_test_7.t: Same.
530         * gold/testsuite/script_test_7.t: Same.
531         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
533 2010-09-14  Cary Coutant  <ccoutant@google.com>
535         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
536         (Target_x86_64::Relocate::relocate_tls): Replace check for
537         saw_tls_block_reloc_ with test for executable section.
539 2010-09-12  Cary Coutant  <ccoutant@google.com>
541         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
542         position-independent executables to shared libraries need dynamic
543         relocations.
544         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
545         position-independent executables.
546         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
547         * testsuite/Makefile.in: Regenerate.
549 2010-09-10  Nick Clifton  <nickc@redhat.com>
551         PR gold/11997
552         * testsuite/memory_test.t: Discard any sections that are not
553         needed.
555 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
557         PR gold/11996
558         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
559         "This::" to work around a bug in gcc 4.2.
561         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
563 2010-09-09  Rafael Espindola  <espindola@google.com>
565         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
566         sections with different PF_X flags in the same segment.
567         (Layout::find_first_load_seg): Search all segments to find the first
568         one.
569         * options.h (rosegment): New.
571 2010-09-08  Rafael Espindola  <espindola@google.com>
573         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
575 2010-09-08  Doug Kwan  <dougkwan@google.com>
577         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
578         (Arm_relobj::do_relocate_sections): Add new parameter for output
579         file to match the parent.
580         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
581         of local symbols instead of input values.  Update code to track
582         changes in gold::relocate_section.
583         * object.cc (Sized_relobj::compute_final_local_value): New methods.
584         (Sized_relobj::compute_final_local_value_internal): New methods.
585         (Sized_relobj::do_finalize_local_symbols): Move code from loop
586         body into private version of Sized_relobj::compute_final_local_value.
587         Call the inline method.
588         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
589         merged symbol value if there is one.
590         (Symbol_value::has_output_value): New method defintiion.
591         (Sized_relobj::Compute_final_local_value_status): New enum type.
592         (Sized_relobj::compute_final_local_value): New methods.
593         (Sized_relobj::compute_final_local_value_internal): New methods.
594         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
595         and arm_cortex_a8.sh.
596         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
597         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
598         New tests.
599         * Makefile.in: Regenerate.
600         * testsuite/arm_bl_out_of_range.s: Update test.
601         * testsuite/thumb_bl_out_of_range.s: Ditto.
602         * testsuite/thumb_blx_out_of_range.s: Ditto.
603         * testsuite/arm_branch_out_of_range.sh: New file.
604         * testsuite/arm_cortex_a8.sh: Ditto.
605         * testsuite/arm_cortex_a8_b.s: Ditto.
606         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
607         * testsuite/arm_cortex_a8_b_local.s: Ditto.
608         * testsuite/arm_cortex_a8_bl.s: Ditto.
609         * testsuite/arm_cortex_a8_blx.s: Ditto.
610         * testsuite/arm_cortex_a8_local.s: Ditto.
611         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
612         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
614 2010-09-08  Rafael Espindola  <espindola@google.com>
616         * Makefile.am (memory_test.stdout): Run readelf with -W.
617         * Makefile.in: Regenerate.
618         * testsuite/memory_test.sh: Make the regexps accept both 32 and
619         64 bit output.
621 2010-09-08  Rafael Espindola  <espindola@google.com>
623         * script-sections.cc (Script_sections::add_memory_region): Convert
624         field precision to int.
625         * script.cc (script_set_section_region, script_set_section_region):
626         Convert field precision to int.
628 2010-09-08  Rafael Espindola  <espindola@google.com>
630         * arm.cc (do_finalize_sections): Create the __exidx_start and
631         __exdix_end symbols even when the section is missing.
633 2010-09-08  Nick Clifton  <nickc@redhat.com>
635         * README: Remove claim that MEMORY is not supported.
636         * expression.cc (script_exp_function_origin)
637         (script_exp_function_length): Move from here to ...
638         * script.cc: ... here.
639         (script_set_section_region, script_add_memory)
640         (script_parse_memory_attr, script_include_directive): New
641         functions.
642         * script-sections.cc
643         (class Memory_region): New class.
644         (class Output_section_definition): Add set_memory_region,
645         set_section_vma, set_section_lma and get_section_name methods.
646         (class Script_Sections): Add add_memory_region,
647         find_memory_region, find_memory_region_origin,
648         find_memory_region_length and set_memory_region methods.
649         Have set_section_addresses method walk the list of set memory
650         regions.
651         Extend the print methos to display memory regions.
652         * script-sections.h: Add prototypes for new methods.
653         Add enum for MEMORY region attributes.
654         * yyscript.y: Add support for parsing MEMORY regions.
655         * script-c.h: Add prototypes for new functions.
656         * testsuite/Makefile.am: Add test of MEMORY region functionality.
657         * testsuite/Makefile.in: Regenerate.
658         * testsuite/memory_test.sh: New script.
659         * testsuite/memory_test.s: New assembler source file.
660         * testsuite/memory_test.t: New linker script.
662 2010-08-27  Doug Kwan  <dougkwan@google.com>
664         * gold/resolve.cc (Symbol_table::should_override): Let a weak
665         reference override an existing dynamic weak reference.
666         * testsuite/Makefile.am: Add new test dyn_weak_ref.
667         * testsuite/Makefile.in: Regenerate.
668         * testsuite/dyn_weak_ref.sh: New file.
669         * testsuite/dyn_weak_ref_1.c: Ditto.
670         * testsuite/dyn_weak_ref_2.c: Ditto.
672 2010-08-27  Ian Lance Taylor  <iant@google.com>
674         * incremental.h (class Incremental_input_entry): Add virtual
675         destructor.
677 2010-08-27  Ian Lance Taylor  <iant@google.com>
679         * testsuite/start_lib_test_3.c: Mark t3 as used.
681 2010-08-27  Nick Clifton  <nickc@redhat.com>
683         * options.cc (version_script): Fix small typo in previous
684         whitespace tidyup.
686 2010-08-25  Nick Clifton  <nickc@redhat.com>
688         * archive.cc: Formatting fixes: Remove whitespace between
689         typename and following asterisk.  Remove whitespace between
690         function name and opening parenthesis.
691         * archive.h: Likewise.
692         * arm.cc: Likewise.
693         * attributes.cc: Likewise.
694         * attributes.h: Likewise.
695         * common.cc: Likewise.
696         * copy-relocs.cc: Likewise.
697         * dirsearch.h: Likewise.
698         * dynobj.cc: Likewise.
699         * ehframe.cc: Likewise.
700         * ehframe.h: Likewise.
701         * expression.cc: Likewise.
702         * fileread.cc: Likewise.
703         * fileread.h: Likewise.
704         * gc.h: Likewise.
705         * gold-threads.cc: Likewise.
706         * gold.cc: Likewise.
707         * i386.cc: Likewise.
708         * icf.h: Likewise.
709         * incremental-dump.cc: Likewise.
710         * incremental.cc: Likewise.
711         * layout.cc: Likewise.
712         * layout.h: Likewise.
713         * main.cc: Likewise.
714         * merge.cc: Likewise.
715         * merge.h: Likewise.
716         * object.cc: Likewise.
717         * object.h: Likewise.
718         * options.cc: Likewise.
719         * options.h: Likewise.
720         * output.cc: Likewise.
721         * output.h: Likewise.
722         * plugin.cc: Likewise.
723         * plugin.h: Likewise.
724         * powerpc.cc: Likewise.
725         * reloc.cc: Likewise.
726         * script-c.h: Likewise.
727         * script-sections.cc: Likewise.
728         * script.cc: Likewise.
729         * stringpool.cc: Likewise.
730         * symtab.cc: Likewise.
731         * symtab.h: Likewise.
732         * target.cc: Likewise.
733         * timer.cc: Likewise.
734         * timer.h: Likewise.
735         * version.cc: Likewise.
736         * x86_64.cc: Likewise.
738 2010-08-24  Nick Clifton  <nickc@redhat.com>
740         PR 11899
741         * layout.cc (segment_precedes): Sort segments by their physical
742         addresses, if they have been set.
744 2010-08-23  Cary Coutant  <ccoutant@google.com>
746         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
747         symbols data.
748         (Lib_group::include_member): Unlock object after deleting its
749         symbols data.
750         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
751         the bug fixed here.
753 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
754             Cary Coutant  <ccoutant@google.com>
756         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
757         constructor, and set_blocker.
758         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
759         readsyms_blocker_.
760         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
761         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
762         * testsuite/Makefile.am (start_lib_test): New test case.
763         * testsuite/Makefile.in: Regenerate.
764         * testsuite/start_lib_test_main.c: New file.
765         * testsuite/start_lib_test_1.c: New file.
766         * testsuite/start_lib_test_2.c: New file.
767         * testsuite/start_lib_test_3.c: New file.
769 2010-08-19  Ian Lance Taylor  <iant@google.com>
771         * Makefile.in: Rebuild with automake 1.11.1.
772         * aclocal.m4: Likewise.
773         * testsuite/Makefile.in: Likewise.
775 2010-08-19  Ian Lance Taylor  <iant@google.com>
777         PR 10893
778         * i386.cc (class Output_data_plt_i386): Update declarations.
779         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
780         local_ifuncs_ fields.
781         (Target_i386::do_plt_section_for_global): New function.
782         (Target_i386::do_plt_section_for_local): New function.
783         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
784         parameter; change all callers.  Initialize global_ifuncs_ and
785         local_ifuncs_.  If doing a static link define __rel_iplt_start and
786         __rel_iplt_end.
787         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
788         (Output_data_plt_i386::add_local_ifunc_entry): New function.
789         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
790         symbols.
791         (Target_i386::make_plt_section): New function, broken out of
792         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
793         (Target_i386::make_plt_entry): Call make_plt_section.
794         (Target_i386::make_local_ifunc_plt_entry): New function.
795         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
796         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
797         R_386_IRELATIVE to switch.
798         (Target_i386::Scan::global): Likewise.
799         (Target_i386::Relocate::relocate): Likewise.
800         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
801         switch.
802         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
803         (Target_x86_64::do_plt_section_for_global): New function.
804         (Target_x86_64::do_plt_section_for_local): New function.
805         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
806         parameter; change all callers.  If doing a static link define
807         __rela_iplt_start and __rela_iplt_end.
808         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
809         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
810         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
811         to point to .plt.
812         (Target_x86_64::make_local_ifunc_plt_entry): New function.
813         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
814         switch.
815         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
816         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
817         R_X86_64_IRELATIVE to switch.
818         (Target_x86_64::Scan::global): Likewise.
819         (Target_x86_64::Relocate::relocate): Likewise.
820         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
821         switch.
822         * target.h (class Target): Add plt_section_for_global and
823         plt_section_for_local functions.  Add do_plt_section_for_global
824         and do_plt_section_for_local virtual functions.
825         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
826         clarifying comments.
827         (Symbol::use_plt_offset): Handle IFUNC symbol.
828         * object.cc (Sized_relobj::Sized_relobj): Initialize
829         local_plt_offsets_.
830         (Sized_relobj::local_has_plt_offset): New function.
831         (Sized_relobj::local_plt_offset): New function.
832         (Sized_relobj::set_local_plt_offset): New function.
833         (Sized_relobj::do_count): Handle IFUNC symbol.
834         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
835         a bit away from input_shndx_ field.  Add set_is_func_symbol and
836         is_ifunc_symbol functions.
837         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
838         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
839         local_plt_offsets_ field.
840         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
841         * output.h (class Output_section_data): Add non-const
842         output_section function.
843         (class Output_data_got): Update declarations.
844         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
845         Add use_plt_offset parameter to global and local constructors.
846         Change all callers.  Change local_sym_index_ field to 31 bits.
847         Change GSYM_CODE and CONSTANT_CODE accordingly.
848         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
849         doing a static link don't set sh_link field.
850         (Output_data_got::Got_entry::write): Use PLT offset if
851         appropriate.
852         (Output_data_got::add_global_plt): New function.
853         (Output_data_got::add_local_plt): New function.
854         * target-reloc.h (relocate_section): Handle IFUNC symbol.
855         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
856         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
857         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
858         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
859         IFUNC conditional.
860         * testsuite/ifunc-sel.h: New file.
861         * testsuite/ifuncmain1.c: New file.
862         * testsuite/ifuncmain1vis.c: New file.
863         * testsuite/ifuncmod1.c: New file.
864         * testsuite/ifuncdep2.c: New file.
865         * testsuite/ifuncmain2.c: New file.
866         * testsuite/ifuncmain3.c: New file.
867         * testsuite/ifuncmod3.c: New file.
868         * testsuite/ifuncmain4.c: New file.
869         * testsuite/ifuncmain5.c: New file.
870         * testsuite/ifuncmod5.c: New file.
871         * testsuite/ifuncmain6pie.c: New file.
872         * testsuite/ifuncmod6.c: New file.
873         * testsuite/ifuncmain7.c: New file.
874         * configure, testsuite/Makefile.in: Rebuild.
876 2010-08-18  Ian Lance Taylor  <iant@google.com>
878         * incremental.cc
879         (Output_section_incremental_inputs::write_input_files): Add cast
880         to avoid signed/unsigned comparison warning.
881         (Output_section_incremental_inputs::write_info_blocks): Likewise.
883 2010-08-12  Cary Coutant  <ccoutant@google.com>
885         * common.cc (Sort_commons::operator()): Remove unnecessary code.
887 2010-08-13  Ian Lance Taylor  <iant@google.com>
889         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
891 2010-08-12  Cary Coutant  <ccoutant@google.com>
892             Doug Kwan  <dougkwan@google.com>
894         * resolve.cc (Symbol_table::should_override): When a weak dynamic
895         defintion overrides non-weak undef, remember that the original undef
896         is not weak.
897         * symtab.cc (Symbol_table::sized_write_global): For undef without
898         an original weak binding, set binding to global in output.
899         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
900         * testsuite/Makefile.in: Regenerate.
901         * testsuite/strong_ref_weak_def.sh: New file.
902         * testsuite/strong_ref_weak_def_1.c: Ditto.
903         * testsuite/strong_ref_weak_def_2.c: Ditto.
905 2010-08-12  Cary Coutant  <ccoutant@google.com>
907         * testsuite/incremental_test.sh: Rewrite.
908         * testsuite/incremental_test_1.c: Rewrite.
909         * testsuite/incremental_test_2.c: Rewrite.
911 2010-08-12  Cary Coutant  <ccoutant@google.com>
913         * arm.cc (Target_arm::got_size): Add const.
914         (Target_arm::got_entry_count): New function.
915         (Target_arm::plt_entry_count): New function.
916         (Target_arm::first_plt_entry_offset): New function.
917         (Target_arm::plt_entry_size): New function.
918         (Output_data_plt_arm::entry_count): New function.
919         (Output_data_plt_arm::first_plt_entry_offset): New function.
920         (Output_data_plt_arm::get_plt_entry_size): New function.
921         * i386.cc (Target_i386::got_size): Add const.
922         (Target_i386::got_entry_count): New function.
923         (Target_i386::plt_entry_count): New function.
924         (Target_i386::first_plt_entry_offset): New function.
925         (Target_i386::plt_entry_size): New function.
926         (Output_data_plt_i386::entry_count): New function.
927         (Output_data_plt_i386::first_plt_entry_offset): New function.
928         (Output_data_plt_i386::get_plt_entry_size): New function.
929         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
930         find_incremental_inputs_sections.  Dump incremental_got_plt section.
931         * incremental.cc: Include target.h.
932         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
933         parameter.  Adjust all callers.  Find incremental_got_plt section.
934         (Incremental_inputs::create_data_sections): Create incremental_got_plt
935         section.
936         (Output_section_incremental_inputs::set_final_data_size): Calculate
937         size of incremental_got_plt section.
938         (Output_section_incremental_inputs::do_write): Write the
939         incremental_got_plt section.
940         (Got_plt_view_info): New struct.
941         (Local_got_offset_visitor): New class.
942         (Global_got_offset_visitor): New class.
943         (Global_symbol_visitor_got_plt): New class.
944         (Output_section_incremental_inputs::write_got_plt): New function.
945         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
946         Add parameter.  Adjust all callers.
947         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
948         (Incremental_inputs::got_plt_section): New function.
949         (Incremental_inputs::got_plt_section_): New data member.
950         (Incremental_got_plt_reader): New class.
951         * layout.cc (Layout::create_incremental_info_sections): Add the
952         incremental_got_plt section.
953         * object.h (Got_offset_list::get_list): New function.
954         (Got offset_list::for_all_got_offsets): New function.
955         (Sized_relobj::local_got_offset_list): New function.
956         * powerpc.cc (Target_powerpc::got_size): Add const.
957         (Target_powerpc::got_entry_count): New function.
958         (Target_powerpc::plt_entry_count): New function.
959         (Target_powerpc::first_plt_entry_offset): New function.
960         (Target_powerpc::plt_entry_size): New function.
961         (Output_data_plt_powerpc::entry_count): New function.
962         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
963         (Output_data_plt_powerpc::get_plt_entry_size): New function.
964         * sparc.cc (Target_sparc::got_size): Add const.
965         (Target_sparc::got_entry_count): New function.
966         (Target_sparc::plt_entry_count): New function.
967         (Target_sparc::first_plt_entry_offset): New function.
968         (Target_sparc::plt_entry_size): New function.
969         (Output_data_plt_sparc::entry_count): New function.
970         (Output_data_plt_sparc::first_plt_entry_offset): New function.
971         (Output_data_plt_sparc::get_plt_entry_size): New function.
972         * symtab.h (Symbol::got_offset_list): New function.
973         (Symbol_table::for_all_symbols): New function.
974         * target.h (Sized_target::got_entry_count): New function.
975         (Sized_target::plt_entry_count): New function.
976         (Sized_target::plt_entry_size): New function.
977         * x86_64.cc (Target_x86_64::got_size): Add const.
978         (Target_x86_64::got_entry_count): New function.
979         (Target_x86_64::plt_entry_count): New function.
980         (Target_x86_64::first_plt_entry_offset): New function.
981         (Target_x86_64::plt_entry_size): New function.
982         (Output_data_plt_x86_64::entry_count): New function.
983         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
984         (Output_data_plt_x86_64::get_plt_entry_size): New function.
986 2010-08-12  Cary Coutant  <ccoutant@google.com>
988         * archive.cc: Include incremental.h.
989         (Archive::Archive): Initialize incremental_info_.
990         (Archive::include_member): Record archive members in incremental info.
991         (Add_archive_symbols::run): Record begin and end of an archive in
992         incremental info.
993         (Lib_group::include_member): Record objects in incremental info.
994         * archive.h (Incremental_archive_entry): Forward declaration.
995         (Archive::set_incremental_info): New member function.
996         (Archive::incremental_info): New member function.
997         (Archive::Unused_symbol_iterator): New class.
998         (Archive::unused_symbols_begin): New member function.
999         (Archive::unused_symbols_end): New member function.
1000         (Archive::incremental_info_): New data member.
1001         * incremental-dump.cc (find_input_containing_global): New function.
1002         (dump_incremental_inputs): Dump new incremental info sections.
1003         * incremental.cc: Include symtab.h.
1004         (Output_section_incremental_inputs): New class.
1005         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
1006         new incremental info sections.
1007         (Sized_incremental_binary::do_check_inputs): Likewise.
1008         (Incremental_inputs::report_archive): Remove.
1009         (Incremental_inputs::report_archive_begin): New function.
1010         (Incremental_inputs::report_archive_end): New function.
1011         (Incremental_inputs::report_object): New function.
1012         (Incremental_inputs::finalize_inputs): Remove.
1013         (Incremental_inputs::report_input_section): New function.
1014         (Incremental_inputs::report_script): Rewrite.
1015         (Incremental_inputs::finalize): Do nothing but finalize string table.
1016         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1017         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1018         (Incremental_inputs::create_data_sections): New function.
1019         (Incremental_inputs::relocs_entsize): New function.
1020         (Output_section_incremental_inputs::set_final_data_size): New function.
1021         (Output_section_incremental_inputs::do_write): New function.
1022         (Output_section_incremental_inputs::write_header): New function.
1023         (Output_section_incremental_inputs::write_input_files): New function.
1024         (Output_section_incremental_inputs::write_info_blocks): New function.
1025         (Output_section_incremental_inputs::write_symtab): New function.
1026         * incremental.h (Incremental_script_entry): Forward declaration.
1027         (Incremental_object_entry): Forward declaration.
1028         (Incremental_archive_entry): Forward declaration.
1029         (Incremental_inputs): Forward declaration.
1030         (Incremental_inputs_header_data): Remove.
1031         (Incremental_inputs_header): Remove.
1032         (Incremental_inputs_header_write): Remove.
1033         (Incremental_inputs_entry_data): Remove.
1034         (Incremental_inputs_entry): Remove.
1035         (Incremental_inputs_entry_write): Remove.
1036         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
1037         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
1038         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1039         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
1040         Likewise.
1041         (Incremental_input_entry): New class.
1042         (Incremental_script_entry): New class.
1043         (Incremental_object_entry): New class.
1044         (Incremental_archive_entry): New class.
1045         (Incremental_inputs::Incremental_inputs): Initialize new data members.
1046         (Incremental_inputs::report_inputs): Remove.
1047         (Incremental_inputs::report_archive): Remove.
1048         (Incremental_inputs::report_archive_begin): New function.
1049         (Incremental_inputs::report_archive_end): New function.
1050         (Incremental_inputs::report_object): Change prototype.
1051         (Incremental_inputs::report_input_section): New function.
1052         (Incremental_inputs::report_script): Change prototype.
1053         (Incremental_inputs::get_reloc_count): New function.
1054         (Incremental_inputs::set_reloc_count): New function.
1055         (Incremental_inputs::create_data_sections): New function.
1056         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1057         (Incremental_inputs::inputs_section): New function.
1058         (Incremental_inputs::symtab_section): New function.
1059         (Incremental_inputs::relocs_section): New function.
1060         (Incremental_inputs::get_stringpool): Add const.
1061         (Incremental_inputs::command_line): Add const.
1062         (Incremental_inputs::inputs): Remove.
1063         (Incremental_inputs::command_line_key): New function.
1064         (Incremental_inputs::input_file_count): New function.
1065         (Incremental_inputs::input_files): New function.
1066         (Incremental_inputs::relocs_entsize): New function.
1067         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1068         (Incremental_inputs::finalize_inputs): Remove.
1069         (Incremental_inputs::Input_info): Remove.
1070         (Incremental_inputs::lock_): Remove.
1071         (Incremental_inputs::inputs_): Change type.
1072         (Incremental_inputs::inputs_map_): Remove.
1073         (Incremental_inputs::current_object_entry_): New data member.
1074         (Incremental_inputs::inputs_section_): New data member.
1075         (Incremental_inputs::symtab_section_): New data member.
1076         (Incremental_inputs::relocs_section_): New data member.
1077         (Incremental_inputs::reloc_count_): New data member.
1078         (Incremental_inputs_reader): New class.
1079         (Incremental_symtab_reader): New class.
1080         (Incremental_relocs_reader): New class.
1081         * layout.cc (Layout::finalize): Move finalization of incremental info
1082         and creation of incremental info sections to follow finalization of
1083         symbol table.  Set offsets for postprocessing sections.
1084         (Layout::create_incremental_info_sections): Call
1085         Incremental_inputs::create_data_sections.  Add incremental symtab
1086         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
1087         sections to layout after input sections.
1088         * layout.h (struct Timespec): Forward declaration.
1089         (Layout::incremental_inputs): Add const.
1090         (Layout::create_incremental_info_sections): Add parameter.
1091         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
1092         * object.cc: Include incremental.h.
1093         (Relobj::finalize_incremental_relocs): New function.
1094         (Sized_relobj::do_layout): Record input sections in incremental info.
1095         * object.h (Object::output_section): New function.
1096         (Object::output_section_offset): Moved from Relobj.
1097         (Object::get_incremental_reloc_base): New function.
1098         (Object::get_incremental_reloc_count): New function.
1099         (Object::do_output_section): New function.
1100         (Object::do_output_section_offset): Moved from Relobj.
1101         (Object::do_get_incremental_reloc_base): New function.
1102         (Object::do_get_incremental_reloc_count): New function.
1103         (Object::Object): Initialize new data members.
1104         (Relobj::output_section): Renamed do_output_section and moved to
1105         protected.
1106         (Relobj::output_section_offset): Moved to Object.
1107         (Relobj::do_get_incremental_reloc_base): New function.
1108         (Relobj::do_get_incremental_reloc_count): New function.
1109         (Relobj::allocate_incremental_reloc_counts): New function.
1110         (Relobj::count_incremental_reloc): New function.
1111         (Relobj::finalize_incremental_relocs): New function.
1112         (Relobj::next_incremental_reloc_index): New function.
1113         (Relobj::reloc_counts_): New data member.
1114         (Relobj::reloc_bases_): New data member.
1115         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1116         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1117         (Sized_relobj::incremental_relocs_scan): New function.
1118         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1119         (Sized_relobj::incremental_relocs_write): New function.
1120         (Sized_relobj::incremental_relocs_write_reltype): New function.
1121         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1122         incremental link.
1123         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1124         archives and object files elsewhere.
1125         (Add_symbols::run): Report object files here.
1126         (Finish_group::run): Report end of archive at end of group.
1127         * reloc.cc: Include layout.h, incremental.h.
1128         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1129         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1130         (Sized_relobj::incremental_relocs_scan): New function.
1131         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1132         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1133         (Sized_relobj::incremental_relocs_write): New function.
1134         (Sized_relobj::incremental_relocs_write_reltype): New function.
1135         * script.cc (read_input_script): Rewrite test for incremental link.
1136         Change call to Incremental_inputs::report_script.
1137         * symtab.h (Symbol_table::first_global_index): New function.
1138         (Symbol_table::output_count): New function.
1140 2010-08-12  Doug Kwan  <dougkwan@google.com>
1142         * arm.cc (Target_arm::merge_object_attributes): Check command line
1143         options --no-wchar-size-warning and --no-enum-size-warning.
1144         * options.h (General_options): Add ld-compatible options
1145         --no-enum-size-warning and --no-wchar-size-warning.
1147 2010-08-04  Ian Lance Taylor  <iant@google.com>
1149         * x86_64.cc (Target_x86_64::Scan::local): Use
1150         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1151         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1152         (Target_x86_64::Scan::global): Likewise.
1153         (Target_x86_64::Relocate::relocate): Likewise.
1154         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1155         Likewise.
1157 2010-08-03  Cary Coutant  <ccoutant@google.com>
1159         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1160         to reserve space in merged_strings vector. Keep total input size
1161         for stats.
1162         (Output_merge_string::do_print_merge_stats): Print total input size.
1163         * merge.h (Output_merge_string): Add input_size_ field.
1164         * stringpool.cc (Stringpool_template::string_length): Move
1165         implementations out of Stringpool_template class and place in
1166         stringpool.h.
1167         * stringpool.h (string_length): Move out of Stringpool_template.
1169 2010-08-03  Ian Lance Taylor  <iant@google.com>
1171         PR 11712
1172         * layout.cc (relaxation_loop_body): If address of load segment is
1173         set, adjust address to include headers if possible.
1175 2010-08-03  Ian Lance Taylor  <iant@google.com>
1177         * version.cc (version_string): Bump to 1.10.
1179 2010-08-03  Ian Lance Taylor  <iant@google.com>
1181         PR 11805
1182         * layout.h (enum Output_section_order): Define.
1183         (class Layout): Update declarations.
1184         * layout.cc (Layout::get_output_section): Add order parameter.
1185         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1186         is_first_non_relro parameters.  Change all callers.
1187         (Layout::choose_output_section): Likewise.
1188         (Layout::add_output_section_data): Likewise.
1189         (Layout::make_output_section): Likewise.  Set order.
1190         (Layout::default_section_order): New function.
1191         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1192         * output.cc (Output_section::Output_section): Initialize order_.
1193         Don't initialize deleted fields.
1194         (Output_segment::Output_segment): Don't initialize deleted
1195         fields.
1196         (Output_segment::add_output_section_to_load): New function
1197         replacing add_output_section.  Change all callers to call this or
1198         add_output_section_to_nonload.
1199         (Output_segment::add_output_section_to_nonload): New function.
1200         (Output_segment::remove_output_section): Rewrite.
1201         (Output_segment::add_initial_output_data): Likewise.
1202         (Output_segment::has_any_data_sections): Likewise.
1203         (Output_segment::is_first_section_relro): Likewise.
1204         (Output_segment::maximum_alignment): Likewise.
1205         (Output_segment::has_dynamic_reloc): New function replacing
1206         dynamic_reloc_count.  Change all callers.
1207         (Output_segment::has_dynamic_reloc_list): New function replacing
1208         dynamic_reloc_count_list.  Change all callers.
1209         (Output_segment::set_section_addresses): Rewrite.
1210         (Output_segment::set_offset): Rewrite.
1211         (Output_segment::find_first_and_last_list): Remove.
1212         (Output_segment::set_tls_offsets): Rewrite.
1213         (Output_segment::first_section_load_address): Likewise.
1214         (Output_segment::output_section_count): Likewise.
1215         (Output_segment::section_with_lowest_load_address): Likewise.
1216         (Output_segment::write_section_headers): Likewise.
1217         (Output_segment::print_sections_to_map): Likewise.
1218         * output.h (class Output_data): Remove dynamic_reloc_count_
1219         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
1220         (Output_data::add_dynamic_reloc): Rewrite.
1221         (Output_data::has_dynamic_reloc): New function.
1222         (Output_data::dynamic_reloc_count): Remove.
1223         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
1224         is_last_relro_, is_first_non_relro_, is_interp_,
1225         is_dynamic_linker_section_ fields.  Add order and set_order
1226         functions.  Remove is_relro_local, set_is_relro_local,
1227         is_last_relro, set_is_last_relro, is_first_non_relro,
1228         set_is_first_non_relro functions, is_interp, set_is_interp,
1229         is_dynamic_linker_section, and set_is_dynamic_linker_section
1230         functions.
1231         (class Output_segment): Change Output_data_list from std::list to
1232         std:;vector.  Add output_lists_ field.  Remove output_data_ and
1233         output_bss_ fields.  Update declarations.
1235 2010-08-02  Ian Lance Taylor  <iant@google.com>
1237         * arm.cc (Target_arm::gc_process_relocs): Use typename.
1238         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
1239         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
1241 2010-08-02  Ian Lance Taylor  <iant@google.com>
1243         PR 11855
1244         * script.cc (Script_options::Script_options): Initialize
1245         symbol_definitions_ and symbol_references_.
1246         (Script_options::add_symbol_assignment): Update
1247         symbol_definitions_ and symbol_references_.
1248         (Script_options::add_symbol_reference): New function.
1249         (script_symbol): New function.
1250         * script.h (class Script_options): Add symbol_definitions_ and
1251         symbol_references_ fields.
1252         (Script_options::referenced_const_iterator): New type.
1253         (Script_options::referenced_begin): New function.
1254         (Script_options::referenced_end): New function.
1255         (Script_options::is_referenced): New function.
1256         (Script_options::any_unreferenced): New function.
1257         * script-c.h (script_symbol): Declare.
1258         * yyscript.y (exp): Call script_symbol.
1259         * symtab.cc: Include "script.h".
1260         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
1261         Change all callers.  Check symbols referenced by scripts.
1262         (Symbol_table::add_undefined_symbols_from_command_line): Add
1263         layout parameter.  Change all callers.
1264         (Symbol_table::do_add_undefined_symbols_from_command_line):
1265         Likewise.  Break out loop body.  Check symbols referenced by
1266         scripts.
1267         (Symbol_table::add_undefined_symbol_from_command_line): New
1268         function broken out of
1269         do_add_undefined_symbols_from_command_line.
1270         * symtab.h (class Symbol_table): Update declarations.
1271         * archive.cc: Include "layout.h".
1272         (Archive::should_include_member): Add layout parameter.  Change
1273         all callers.  Check for symbol mentioned in expression.
1274         * archive.h (class Archive): Update declaration.
1275         * object.cc (Sized_relobj::do_should_include_member): Add layout
1276         parameter.
1277         * object.h (Object::should_include_member): Add layout parameter.
1278         Change all callers.
1279         (Object::do_should_include_member): Add layout parameter.
1280         (class Sized_relobj): Update declaration.
1281         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
1282         parameter.
1283         * dynobj.h (class Sized_dynobj): Update declaration.
1284         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
1285         layout parameter.
1286         * plugin.h (class Sized_pluginobj): Update declaration.
1288 2010-08-02  Ian Lance Taylor  <iant@google.com>
1290         PR 11866
1291         * output.cc (Output_segment::set_offset): Search for the first and
1292         last sections rather than assuming that the list is in order.
1293         (Output_segment::find_first_and_last_list): New function.
1294         * output.h (class Output_segment): Update declarations.
1295         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
1296         (relro_strip_test_SOURCES): New variable.
1297         (relro_strip_test_DEPENDENCIES): New variable.
1298         (relro_strip_test_LDFLAGS): New variable.
1299         (relro_strip_test_LDADD): New variable.
1300         (relro_strip_test.so): New target.
1302 2010-08-02  Ian Lance Taylor  <iant@google.com>
1304         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
1305         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
1306         (Target_i386::got_tlsdesc_section): New function.
1307         (Target_i386::got_section): Create space for GOT entries for
1308         TLSDESC relocations.
1309         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
1310         R_386_TLS_GOTDESC.
1311         (Target_i386::Scan::global): Likewise.
1312         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
1313         using TLSDESC GOT.
1314         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
1315         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
1316         (Target_x86_64::got_tlsdesc_section): New function.
1317         (Target_x86_64::got_section): Create space for GOT entries for
1318         TLSDESC relocations.
1319         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
1320         R_386_TLS_GOTDESC.
1321         (Target_x86_64::Scan::global): Likewise.
1322         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
1323         using TLSDESC GOT.
1325 2010-08-02  Ian Lance Taylor  <iant@google.com>
1327         * testsuite/final_layout.sh: Use dc to convert from hex to
1328         decimal.
1330 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
1332         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
1333         paramter to the call to gold::gc_process_relocs.
1334         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
1335         paramter to the call to gold::gc_process_relocs.
1336         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
1337         parameter to the call to gold::gc_process_relocs.
1338         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
1339         template parameter to the call to gold::gc_process_relocs.
1340         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
1341         paramter to the call to gold::gc_process_relocs.
1342         * gc.h (get_embedded_addend_size): New function.
1343         (gc_process_relocs): Save the size of the reloc for use by ICF.
1344         * icf.cc (get_section_contents): Get the addend from the text section
1345         for SHT_REL relocation sections.
1346         * icf.h (Icf::Reloc_addend_size_info): New typedef.
1347         (Icf::Reloc_info): Add new member reloc_addend_size_info.
1348         * int_encoding.h (read_from_pointer): New overloaded function.
1349         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
1350         * testsuite/icf_sht_rel_addend_test.sh: New file.
1351         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
1352         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
1354 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1356         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
1357         * Makefile.in: Regenerate.
1358         * testsuite/Makefile.in: Regenerate.
1360 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
1362         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
1363         * gold/testsuite/debug_msg.cc: Likewise.
1364         * gold/testsuite/odr_violation1.cc
1365         * gold/testsuite/odr_violation2.cc
1367 2010-07-21  Cary Coutant  <ccoutant@google.com>
1369         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
1370         string, and length fields.
1371         (Output_merge_string::Merged_strings_list): New type.
1372         (Output_merge_string::Merged_strings_lists): New typedef.
1373         (Output_merge_string): Replace merged_strings_ with
1374         merged_strings_lists_.
1375         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1376         Merged_strings_list per input object and section.  Don't store pointer
1377         to the string.  Don't store length with each merged string entry.
1378         (Output_merge_string::finalize_merged_data): Loop over list of merged
1379         strings lists.  Recompute length of each merged string.
1381 2010-07-15  Cary Coutant  <ccoutant@google.com>
1383         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1384         here.
1386 2010-07-14  Ian Lance Taylor  <iant@google.com>
1388         * descriptors.cc (Descriptors::open): Report correct name in error
1389         message.
1391 2010-07-13  Doug Kwan  <dougkwan@google.com>
1393         * arm.cc (Arm_input_section::Arm_input_section): For a
1394         SHT_ARM_EXIDX section, always keeps the input sections.
1395         (Arm_input_section::set_exidx_section_link): New method.
1396         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1397         has_errors_ to false.
1398         (Arm_exidx_input_section::has_errors,
1399         Arm_exidx_input_section::set_has_errors): New methods.
1400         (Arm_exidx_input_section::has_errors_): New data member.
1401         (Arm_relobj::get_exidx_shndx_list): New method.
1402         (Arm_output_section::append_text_sections_to_list): Do not skip
1403         section without SHF_EXECINSTR.
1404         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1405         errors.
1406         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1407         section header.  Make error messages more verbose.  Check for
1408         a non-executable section linked to an EXIDX section.
1409         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1410         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1411         check that there is no deferred EXIDX section if we exit early.
1412         Instead of not making an EXIDX section in case of an error, make one
1413         and set the has_errors flag of it.
1414         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1415         in a relocatable link.
1416         (Target_arm::do_relax): Look for the EXIDX output section instead of
1417         assuming that it is called .ARM.exidx.
1418         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1419         section list.  Do not check for SHF_EXECINSTR section flags but
1420         skip any input section with errors.
1421         * output.cc (Output_section::Output_section): Initialize
1422         always_keeps_input_sections_ to false.
1423         (Output_section::add_input_section): Check for
1424         always_keeps_input_sections_.
1425         *  output.h (Output_section::always_keeps_input_sections,
1426         Output_section::set_always_keeps_input_sections): New methods.
1427         (Output_section::always_keeps_input_sections): New data member.
1429 2010-07-13  Rafael Espindola  <espindola@google.com>
1431         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1432         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1434 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1435             Ian Lance Taylor  <iant@google.com>
1437         * output.h (Output_section_lookup_maps::add_merge_section):
1438         Correct check of whether value was inserted.
1439         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1440         (Output_section_lookup_maps::add_relaxed_input_section):
1441         Likewise.
1442         * arm.cc (Target_arm::got_section): Remove used local os.
1443         * i386.cc (Target_i386::got_section): Likewise.
1444         * x86_64.cc (Target_x86_64::got_section): Likewise.
1445         * sparc.cc (Target_sparc::got_section): Likewise.
1446         (Target_sparc::relocate): Remove unused local have_got_offset.
1447         * powerpc.cc (Target_powerpc::relocate): Likewise.
1449 2010-07-13  Ian Lance Taylor  <iant@google.com>
1451         * compressed_output.cc (zlib_decompress): Fix signature in
1452         !HAVE_ZLIB_H case.
1454         * archive.cc (Archive::include_member): Unlock an external member
1455         of a thin archive.  Don't bother to delete an object we know is
1456         NULL.
1458 2010-07-12  Cary Coutant  <ccoutant@google.com>
1460         * compressed_output.cc (zlib_decompress): New function.
1461         (get_uncompressed_size): New function.
1462         (decompress_input_section): New function.
1463         * compressed_output.h (get_uncompressed_size): New function.
1464         (decompress_input_section): New function.
1465         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1466         Handle compressed debug sections.
1467         * layout.cc (is_compressed_debug_section): New function.
1468         (Layout::output_section_name): Map compressed section names to
1469         canonical names.
1470         * layout.h (is_compressed_debug_section): New function.
1471         (is_debug_info_section): Recognize compressed debug sections.
1472         * merge.cc: Include compressed_output.h.
1473         (Output_merge_data::do_add_input_section): Handle compressed
1474         debug sections.
1475         (Output_merge_string::do_add_input_section): Handle compressed
1476         debug sections.
1477         * object.cc: Include compressed_output.h.
1478         (Sized_relobj::Sized_relobj): Initialize new data members.
1479         (build_compressed_section_map): New function.
1480         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1481         * object.h (Object::section_is_compressed): New method.
1482         (Object::do_section_is_compressed): New method.
1483         (Sized_relobj::Compressed_section_map): New type.
1484         (Sized_relobj::do_section_is_compressed): New method.
1485         (Sized_relobj::compressed_sections_): New data member.
1486         * output.cc (Output_section::add_input_section): Handle compressed
1487         debug sections.
1488         * reloc.cc: Include compressed_output.h.
1489         (Sized_relobj::write_sections): Handle compressed debug sections.
1491 2010-07-08  Cary Coutant  <ccoutant@google.com>
1493         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1494         weak when resolving to a dynamic def.
1495         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1496         for weak undef/dynamic def cases. Adjust callers.
1497         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1498         undef_binding_weak_.
1499         (Symbol_table::sized_write_globals): Adjust symbol binding.
1500         (Symbol_table::sized_write_symbol): Add binding parameter.
1501         * symtab.h (Symbol::set_undef_binding): New method.
1502         (Symbol::is_undef_binding_weak): New method.
1503         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1504         (Symbol_table::should_override): Add new parameter.
1505         (Symbol_table::sized_write_symbol): Add new parameter.
1507         * testsuite/weak_undef_file1.cc: Add new test case.
1508         * testsuite/weak_undef_file2.cc: Fix header comment.
1509         * testsuite/weak_undef_test.cc: Add new test case.
1511 2010-06-29  Doug Kwan  <dougkwan@google.com>
1513         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1514         Initialize USE_SYMBOL_.
1515         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1516         definition.
1517         (Arm_reloc_property::uses_symbol_): New data member declaration.
1518         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1519         uses symbol value and symbol is undefined but not weakly undefined.
1521 2010-06-28  Rafael Espindola  <espindola@google.com>
1523         * plugin.cc (Plugin::load): Use dlerror.
1525 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1527         * symtab.cc (detect_odr_violations): When reporting an ODR
1528         violation, report an object where the symbol is defined.
1530 2010-06-25  Doug Kwan  <dougkwan@google.com>
1532         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1533         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1534         definition.
1535         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1536         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1537         target hook to detect function points.
1538         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1539         * icf.h (Icf::check_section_for_function_pointers): Change type of
1540         parameter SECTION_NAME to const reference to std::string.  Use
1541         target hook to determine if section may have unsafe pointers.
1542         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1543         method definition.
1545 2010-06-21  Rafael Espindola  <espindola@google.com>
1547         * fileread.cc (Input_file::find_fie): New
1548         (Input_file::open): Use Input_file::find_fie.
1549         * fileread.h (Input_file::find_fie): New
1550         * plugin.cc (set_extra_library_path): New.
1551         (Plugin::load): Add set_extra_library_path to the transfer vector.
1552         (Plugin_manager::set_extra_library_path): New.
1553         (Plugin_manager::add_input_file): Use the extra search path if set.
1554         (set_extra_library_path(): New.
1555         * plugin.h (Plugin_manager): Add set_extra_library_path and
1556         extra_search_path_.
1558 2010-06-19  Cary Coutant  <ccoutant@google.com>
1560         * layout.cc (gdb_sections): Add .debug_types.
1561         (lines_only_debug_sections): Likewise.
1563 2010-06-18  Rafael Espindola  <espindola@google.com>
1565         * plugin.cc (add_input_file,add_input_library)
1566         (Plugin_manager::add_input_file): Make filename arguments const.
1567         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1568         const.
1570 2010-06-16  Doug Kwan  <dougkwan@google.com>
1572         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1573         .ARM.attributes section if we have not merged any input
1574         attributes sections.
1576 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1578         * arm.cc: Allow combining objects with no EABI version
1579         information.
1581 2010-06-15  Rafael Espindola  <espindola@google.com>
1583         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1585 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1587         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1588         (struct iovec): Correct !HAVE_READV definition.
1590 2010-06-10  Cary Coutant  <ccoutant@google.com>
1592         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1593         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1594         reloc sections.
1595         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1597         PR 11683
1598         * symtab.h (Symbol::is_placeholder): New member function.
1599         * target-reloc.h (relocate_section): Check for placeholder symbols.
1601         * testsuite/Makefile.am (plugin_test_8): New test.
1602         (plugin_test_9): New test.
1603         * testsuite/Makefile.in: Regenerate.
1605 2010-06-09  Nick Clifton  <nickc@redhat.com>
1607         * yyscript.y (input_list_element): Allow strings prefixed with
1608         the '-' character.  Treat these as libraries.
1609         * script.cc (script_add_library): New function.  Adds a library
1610         specified by "-l<name>" found in an input script.
1611         * script-c.h: Add prototype for script_add_library.
1613 2010-06-07  Doug Kwan  <dougkwan@google.com>
1615         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1616         Restrict stub-group size to be within long conditional branch
1617         range when working around cortex-A8 erratum.
1619 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1621         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1622         #ifdef typo.
1624 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1626         PR gold/11658
1627         * output.cc
1628         (Output_section::Input_section_sort_entry::compare_section_ordering):
1629         Change to return non-zero correctly.
1630         (Output_section::Input_section_sort_section_order_index_compare
1631         ::operator()): Change to fix ambiguity in comparisons.
1633 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1635         * gold.h (is_wildcard_string): New function.
1636         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1637         (Layout::layout_eh_frame): Ditto.
1638         (Layout::find_section_order_index): New method.
1639         (Layout::read_layout_from_file): New method.
1640         * layout.h (Layout::find_section_order_index): New method.
1641         (Layout::read_layout_from_file): New method.
1642         (Layout::input_section_position_): New private member.
1643         (Layout::input_section_glob_): New private member.
1644         * main.cc (main): Call read_layout_from_file here.
1645         * options.h (--section-ordering-file): New option.
1646         * output.cc (Output_section::input_section_order_specified_): New
1647         member.
1648         (Output_section::Output_section): Initialize new member.
1649         (Output_section::add_input_section): Add new parameter.
1650         Keep input sections when --section-ordering-file is used.
1651         (Output_section::set_final_data_size): Sort input sections when
1652         section ordering file is specified.
1653         (Output_section::Input_section_sort_entry): Add new parameter.
1654         Check sorting type.
1655         (Output_section::Input_section_sort_entry::compare_section_ordering):
1656         New method.
1657         (Output_section::Input_section_sort_compare::operator()): Change to
1658         consider section_order_index.
1659         (Output_section::Input_section_sort_init_fini_compare::operator()):
1660         Change to consider section_order_index.
1661         (Output_section::Input_section_sort_section_order_index_compare
1662         ::operator()): New method.
1663         (Output_section::sort_attached_input_sections): Change to sort
1664         according to section order when specified.
1665         (Output_section::add_input_section<32, true>): Add new parameter.
1666         (Output_section::add_input_section<64, true>): Add new parameter.
1667         (Output_section::add_input_section<32, false>): Add new parameter.
1668         (Output_section::add_input_section<64, false>): Add new parameter.
1669         * output.h (Output_section::add_input_section): Add new parameter.
1670         (Output_section::input_section_order_specified): New
1671         method.
1672         (Output_section::set_input_section_order_specified): New method.
1673         (Input_section::Input_section): Initialize section_order_index_.
1674         (Input_section::section_order_index): New method.
1675         (Input_section::set_section_order_index): New method.
1676         (Input_section::section_order_index_): New member.
1677         (Input_section::Input_section_sort_section_order_index_compare): New
1678         struct.
1679         (Output_section::input_section_order_specified_): New member.
1680         * script-sections.cc (is_wildcard_string): Delete and move modified
1681         method to gold.h.
1682         (Output_section_element_input::Output_section_element_input): Modify
1683         call to is_wildcard_string.
1684         (Output_section_element_input::Input_section_pattern
1685         ::Input_section_pattern): Ditto.
1686         (Output_section_element_input::Output_section_element_input): Ditto.
1687         * testsuite/Makefile.am (final_layout): New test case.
1688         * testsuite/Makefile.in: Regenerate.
1689         * testsuite/final_layout.cc: New file.
1690         * testsuite/final_layout.sh: New file.
1692 2010-06-01  Rafael Espindola  <espindola@google.com>
1694         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1696 2010-06-01  Rafael Espindola  <espindola@google.com>
1698         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1699         visibility of symbols.
1701 2010-05-27  Doug Kwan  <dougkwan@google.com>
1703         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1704         from start of output section instead of address for a local symbol
1705         in a merged or relaxed section when doing a relocatable link.
1707 2010-05-26  Rafael Espindola  <espindola@google.com>
1709        PR 11604
1710         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1711         adding sections the garbage collector removed.
1712         * gold/testsuite/Makefile.am: Add test.
1713         * gold/testsuite/Makefile.in: Regenerate.
1714         * gold/testsuite/plugin_test_7.sh: New.
1715         * gold/testsuite/plugin_test_7_1.c: New.
1716         * gold/testsuite/plugin_test_7_2.c: New.
1718 2010-05-26  Rafael Espindola  <espindola@google.com>
1720         * script-sections.cc (Output_section_definition::set_section_addresses):
1721         Check for --section-start.
1723 2010-05-26  Doug Kwan  <dougkwan@google.com>
1725         * arm.cc (Arm_scan_relocatable_relocs): New class.
1726         (Target_arm::relocate_special_relocatable): New method.
1727         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1728         (Arm_relocate_functions::thumb_branch_common): Same.
1729         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1730         instead of Default_scan_relocatable_relocs.
1731         * target-reloc.h (relocate_for_relocatable): Let target handle
1732         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1733         * target.h (Sized_target::relocate_special_relocatable): New method.
1735 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1737         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1739 2010-05-23  Doug Kwan  <dougkwan@google.com>
1741         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1742         instead of a cast.
1743         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1744         with a direct branch, not a conditional branch, to a stub.
1745         * merge.cc (Output_merge_base::record_input_section): New method
1746         defintion.
1747         (Output_merge_data::do_add_input_section): Record input section if
1748         keeps-input-sections flag is set.
1749         (Output_merge_string::do_add_input_section): Ditto.
1750         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1751         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1752         INPUT_SECTIONS_.
1753         (Output_merge_base::keeps_input_sections,
1754         Output_merge_base::set_keeps_input_sections,
1755         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1756         method definitions.
1757         (Output_merge_base::Input_sections): New type declaration.
1758         (Output_merge_base::input_sections_begin,
1759         Output_merge_base::input_sections_end,
1760         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1761         (Output_merge_base::bool keeps_input_sections_,
1762         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1763         Output_merge_base::input_sections_): New data members.
1764         (Output_merge_data::do_set_keeps_input_sections): New method
1765         defintion.
1766         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1767         * output.cc (Output_section::Input_section::relobj): Move method
1768         defintion from class declaration to here and handle merge sections.
1769         (Output_section::Input_section::shndx): Ditto.
1770         (Output_section::Output_section): Remove initializations of removed
1771         data members and initialize new data member LOOKUP_MAPS_.
1772         (Output_section::add_input_section): Set keeps-input-sections flag
1773         for a newly created merge output section as appropriate.  Adjust code
1774         to use Output_section_lookup_maps class.
1775         (Output_section::add_relaxed_input_section): Adjst code for lookup
1776         maps code refactoring.
1777         (Output_section::add_merge_input_section): Add a new parameter
1778         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1779         class.  If adding input section to a newly created merge output
1780         section fails, remove the new merge section.
1781         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1782         Adjust code for use of the Output_section_lookup_maps class.
1783         (Output_section::find_merge_section): Ditto.
1784         (Output_section::build_lookup_maps): New method defintion.
1785         (Output_section::find_relaxed_input_section): Adjust code to use
1786         Output_section_lookup_maps class.
1787         (Output_section::get_input_sections): Export merge sections.  Adjust
1788         code to use Output_section_lookup_maps class.
1789         (Output_section:::add_script_input_section): Adjust code to use
1790         Output_section_lookup_maps class.  Update lookup maps for merge
1791         sections also.
1792         (Output_section::discard_states): Use Output_section_lookup_maps.
1793         (Output_section::restore_states): Same.
1794         * output.h (Merge_section_properties): Move class defintion out of
1795         Output_section.
1796         (Output_section_lookup_maps): New class.
1797         (Output_section::Input_section::is_merge_section): New method
1798         defintion.
1799         (Output_section::Input_section::relobj): Move defintion out of class
1800         defintion.  Declare method only.
1801         (Output_section::Input_section::shndx): Ditto.
1802         (Output_section::Input_section::output_merge_base): New method defintion.
1803         (Output_section::Input_section::u2_.pomb): New union field.
1804         (Output_section::Merge_section_by_properties_map,
1805         Output_section::Output_section_data_by_input_section_map,
1806         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1807         Remove types.
1808         (Output_section::add_merge_input_section): Add new parameter
1809         KEEPS_INPUT_SECTIONS.
1810         (Output_section::build_lookup_maps): New method declaration.
1811         (Output_section::merge_section_map_,
1812         Output_section::merge_section_by_properties_map_,
1813         Output_section::relaxed_input_section_map_,
1814         Output_section::is_relaxed_input_section_map_valid_): Remove data
1815         members.
1816         (Output_section::lookup_maps_): New data member.
1818 2010-05-21  Doug Kwan  <dougkwan@google.com>
1820         PR gold/11619
1821         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1822         avoid a compilation error.
1824 2010-05-19  Rafael Espindola  <espindola@google.com>
1826         * script-sections.cc (Output_section_definition::allocate_to_segment):
1827         Update the phdrs_list even when the output section is NULL.
1828         * testsuite/Makefile.am: Add test.
1829         * testsuite/Makefile.in: Regenerate.
1830         * testsuite/script_test_9.cc: New.
1831         * testsuite/script_test_9.sh: New.
1832         * testsuite/script_test_9.t: New.
1834 2010-05-19  Doug Kwan  <dougkwan@google.com>
1836         * arm.cc (Arm_input_section::original_size): New method.
1837         (Arm_input_section::do_addralign): Add a cast.
1838         (Arm_input_section::do_output_offset): Remove static cast.
1839         (Arm_input_section::original_addralign,
1840          Arm_input_section::original_size_): Change type to uint32_t.
1841         (Arm_input_section::init): Add safe casts for section alignment
1842         and size.
1843         (Arm_input_section::set_final_data_size): Do not set address and
1844         offset of stub table.
1845         (Arm_output_section::fix_exidx_coverage): Change use of of
1846         Output_section::Simple_input_section to that of
1847         Output_section::Input_section.
1848         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1849         except for the first pass.
1850         * output.cc (Output_section::get_input_sections): Change type of
1851         input_sections to std::list<Input_section>.
1852         (Output_section::add_script_input_section): Rename from
1853         Output_section::add_simple_input_section.  Change type of SIS
1854         parameter from Simple_input_section to Input_section.
1855         * output.h (Output_section::Simple_input_section): Remove class.
1856         (Output_section::Input_section): Change class visibility to public.
1857         (Output_section::Input_section::addralign): Use stored alignments
1858         for special input sections if set.
1859         (Output_section::Input_section::set_addralign): New method.
1860         (Output_section::get_input_sections): Change parameter type from
1861         list of Simple_input_section to list of Input_section.
1862         (Output_section::add_script_input_section): Rename from
1863         Output_section::add_simple_input_section. Change first parameter's
1864         type from Simple_input_section to Input_section and remove the
1865         second and third parameters.
1866         * script-sections.cc (Input_section::Input_section_list): Change
1867         type to list of Output_section::Input_section/
1868         (Input_section_info::Input_section_info): Change parameter type of
1869         INPUT_SECTION to Output_section::Input_section.
1870         (Input_section_info::input_section): Change return type.
1871         (Input_section_info::input_section_): Change type to
1872         Output_section::Input_section.
1873         (Output_section_element_input::set_section_addresses): Adjust code
1874         to use Output_section::Input_section instead of
1875         Output_section::Simple_input_section.  Adjust code for renaming
1876         of Output_section::add_simple_input_section.
1877         (Orphan_output_section::set_section_addresses): Ditto.
1879 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1881         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1882         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1884 2010-05-18  Rafael Espindola  <espindola@google.com>
1886         * options.cc (General_options::finalize): Handle -nostdlib.
1887         * options.h (nostdlib): New option.
1888         * script.cc (script_add_search_dir): Handle -nostdlib.
1890 2010-05-12  Doug Kwan  <dougkwan@google.com>
1892         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1893         attributes section only if there no attributes section after merging.
1894         (Target_arm::merge_object_attributes): Move value of
1895         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1896         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1897         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1898         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1899         and arm_attr_merge_7.stdout.
1900         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1901         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1902         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1903         arm_attr_merge_7b.o): New rules.
1904         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1905         arm_attr_merge_7
1906         * testsuite/Makefile.in: Regenerate.
1907         * testsuite/arm_attr_merge.sh: New file.
1908         * testsuite/arm_attr_merge_[67][ab].s: Same.
1910 2010-05-05  Nick Clifton  <nickc@redhat.com>
1912         * po/es.po: Updated Spanish translation.
1914 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1916         * Makefile.am (install-exec-local): Properly install gold as
1917         default cross linker.
1918         * Makefile.in: Regenerated.
1920 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1921             Nick Clifton  <nickc@redhat.com>
1923         * configure.ac (install_as_default): Define and set to false
1924         unless --enable-gold or --enable-gold=both/gold has been
1925         specified.
1926         * configure: Regenerate.
1928         * Makefile.am (install-exec-local): Install the executable as
1929         'ld.gold'.  If install_as_default is true then also install it as
1930         'ld'.
1931         * Makefile.in: Regenerated.
1933 2010-04-24  Ian Lance Taylor  <iant@google.com>
1935         * layout.cc (Layout::layout_reloc): In relocatable link don't
1936         combine reloc sections for grouped sections.
1938 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
1940         * gc.h (gc_process_relocs): Pass information on relocs pointing to
1941         sections that are not ordinary to icf.
1942         * icf.cc (get_section_contents): Handle relocation pointing to section
1943         with no object or shndx information.
1944         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
1945         * testsuite/Makefile.in: Regenerate.
1946         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
1947         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
1949 2010-04-22  Ian Lance Taylor  <iant@google.com>
1951         * expression.cc (Expression::Expression_eval_info): Add
1952         result_alignment_pointer field.
1953         (Expression::eval_with_dot): Add result_alignment_pointer
1954         parameter.  Change all callers.
1955         (Expression::eval_maybe_dot): Likewise.
1956         (class Binary_expression): Add alignment_pointer parameter to
1957         left_value and right_value.  Change all callers.
1958         (BINARY_EXPRESSION): Set result alignment.
1959         (class Trinary_expression): Add alignment_pointer parameter to
1960         arg2_value and arg3_value.  Change all callers.
1961         (Trinary_cond::value): Set result alignment.
1962         (Max_expression::value, Min_expression::value): Likewise.
1963         (Align_expression::value): Likewise.
1964         * script-sections.cc (class Sections_element): Add dot_alignment
1965         parameter to set_section_addresses virtual function.  Update
1966         instantiations.
1967         (class Output_section_element): Likewise.
1968         (Script_sections::create_segments): Add dot_alignment parameter.
1969         Change all callers.
1970         (Script_sections::create_segments_from_phdrs_clause): Likewise.
1971         (Script_sections::set_phdrs_clause_addresses): Likewise.
1972         * script-sections.h: Update declarations.
1973         * script.h: Update declarations.
1974         * output.h (Output_segment::set_minimum_p_align): Don't decrease
1975         min_p_align.
1976         * testsuite/script_test_3.t: Set large alignment.
1977         * testsuite/script_test_3.sh: Make sure that at least one LOAD
1978         segment has expected alignment.
1980 2010-04-22  Nick Clifton  <nickc@redhat.com>
1982         * po/gold.pot: Updated by the Translation project.
1983         * po/vi.po: Updated Vietnamese translation.
1985 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
1987         * testsuite/Makefile.am (check_PROGRAMS): Add
1988         icf_virtual_function_folding_test.
1989         * testsuite/Makefile.in: Regenerated.
1991 2010-04-15  Andrew Haley  <aph@redhat.com>
1993         * options.h (merge_exidx_entries): New option.
1994         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
1995         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
1996         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
1997         (Target_arm::merge_exidx_entries): New function.
1998         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
1999         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
2000         to Arm_exidx_fixup constructor.
2001         Add new arg, merge_exidx_entries.
2002         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
2003         Arm_output_section::fix_exidx_coverage.
2005 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
2007         * icf.cc (get_section_contents): Check for preemptible functions.
2008         Ignore addend when appropriate.
2009         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
2010         section folded.
2011         (add_from_relobj): Check for section folded.
2012         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
2013         * symtab.h (should_add_dynsym_entry): Add new parameter.
2014         * target-reloc.h (scan_relocs): Check for section folded.
2015         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
2016         Check reloc types for function pointers in shared objects.
2017         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
2018         case.
2019         (icf_preemptible_functions_test): New test case.
2020         (icf_string_merge_test): New test case.
2021         * testsuite.Makefile.in: Regenerate.
2022         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
2023         bar_glob.  Refactor code.
2024         * testsuite/icf_preemptible_functions_test.cc: New file.
2025         * testsuite/icf_preemptible_functions_test.sh: New file.
2026         * testsuite/icf_string_merge_test.cc: New file.
2027         * testsuite/icf_string_merge_test.sh: New file.
2028         * testsuite/icf_virtual_function_folding_test.cc: New file.
2029         * testsuite/icf_virtual_function_folding_test.sh: New file.
2031 2010-04-14  Doug Kwan  <dougkwan@google.com>
2033         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
2034         for local symbol recounting if we remove a section due to ICF.
2035         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
2036         there are no regular objects in input.
2038 2010-04-13  Doug Kwan  <dougkwan@google.com>
2040         * arm.cc (Arm_input_section::set_final_data_size): Compute
2041         accurate final data size instead of using current data size.
2043 2010-04-09  Doug Kwan  <dougkwan@google.com>
2045         * layout.cc (Layout::choose_output_section): Handle script section
2046         types.
2047         (Layout::make_output_section_for_script): Add section type parameter.
2048         Handle script section types.
2049         * layout.h (Layout::make_output_section_for_script): Add section
2050         type parameter.
2051         * output.cc (Output_section::Output_section): Initialize data member
2052         is_noload_.
2053         (Output_section::do_reset_address_and_file_offset): Do not set address
2054         to 0 if section is a NOLOAD section.
2055         * output.h (Output_section::is_noload): New method.
2056         (Output_section::set_is_noload): Ditto.
2057         (Output_section::is_noload_): New data member.
2058         * script-c.h (Script_section_type): New enum type.
2059         (struct Parser_output_section_header): Add new file section_type.
2060         * script-sections.cc (Sections_element::output_section_name): Add
2061         parameter for returning script section type.
2062         (Output_section_definition::output_section_name): Ditto.
2063         (Output_section_definition::section_type)P; New method.
2064         (Output_section_definiton::script_section_type_name): Ditto.
2065         (Output_section_definition::script_section_type_): New data member.
2066         (Output_section_definition::Output_section_definition): Initialize
2067         data member Output_section_definition::script_section_type_.
2068         (Output_section_definition::create_sections): Pass script section type
2069         to Layout::make_output_section_for_script.
2070         (Output_section_definition::output_section_name): Return script
2071         section type to caller.
2072         (Output_section_definition::set_section_address): Do not advance
2073         dot value and load address if section type is NOLOAD.  Set address
2074         of NOLOAD sections regardless of section flags.
2075         (Output_section_definition::print): Print section type if it is
2076         not SCRIPT_SECTION_TYPE_NONE.
2077         (Output_section_definition::section_type): New method.
2078         (Output_section_definition::script_section_type_name): Ditto.
2079         (Script_sections::output_section_name): Add new parameter
2080         PSECTION_TYPE for returning script section type.  Pass it to
2081         section elements.  Handle discard sections.
2082         (Sort_output_sections::operator()): Handle NOLOAD sections.
2083         * script-sections.h (Script_sections::Section_type): New enum type.
2084         (Script_sections::output_section_name): Add a new parameter for
2085         returning script section type.
2086         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
2087         INFO and NOLOAD.
2088         * yyscript.y (union): Add new field SECTION_TYPE.
2089         (COPY, DSECT, INFO, NOLOAD): New tokens.
2090         (opt_address_and_section_type): Change type to output_section_header.
2091         (section_type): New non-terminal
2092         (section_header): Handle section type.
2093         (opt_address_and_section_type): Return section type value.
2095 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2097         * testsuite/plugin_common_test_1.c (foo): Add prototype.
2098         * testsuite/plugin_common_test_2.c (foo): Likewise.
2100 2010-04-08  Doug Kwan  <dougkwan@google.com>
2102         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
2103         Output_merge_data.
2104         * output.cc (Output_section::add_merge_input_section): Simplify
2105         code and return status of Output_merge_base::add_input_section.
2106         Update merge section map only if Output_merge_base::add_input_section
2107         returns true.
2109 2010-04-07  Doug Kwan  <dougkwan@google.com>
2111         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2112         if section is marked as containing instructions but has no mapping
2113         symbols.
2114         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2115         correct section index.
2116         (Arm_relobj::find_linked_text_section): Ditto.
2118 2010-04-07  Cary Coutant  <ccoutant@google.com>
2120         * archive.cc (include_member): Destroy Read_symbols_data object before
2121         releasing file.
2122         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2123         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2124         (Read_symbols_data::~Read_symbols_data) New destructor.
2125         (Section_relocs::Section_relocs) New constructor.
2126         (Section_relocs::~Section_relocs) New destructor.
2127         (Read_relocs_data::Read_relocs_data) New constructor.
2128         (Read_relocs_data::~Read_relocs_data) New destructor.
2129         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2130         pointers to NULL after deleting.
2132 2010-04-07  Doug Kwan  <dougkwan@google.com>
2134         * arm.cc: Replace "endianity" with "endianness" in comments.
2135         (Arm_exidx_cantunwind): Ditto.
2136         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2137         (Arm_relobj::merge_flags_and_attributes): New method.
2138         (Arm_relobj::merge_flags_and_attributes_): New data member.
2139         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2140         (Arm_relobj::scan_sections_for_stubs): Ditto.
2141         (Arm_relobj::do_read_symbols): Check to see if we really want to
2142         merge processor-specific flags and attributes.  Exit early if
2143         an object is empty except for section names and the undefined symbol.
2144         (Target_arm::do_finalize_sections): Move check for ELF format to
2145         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2146         attributes from a regular object only when we have determined that
2147         it is aapropriate.  Do not create an .ARM.attributes section in
2148         output if there is no regular input object.
2149         (Target_arm::merge_processor_specific_flags): Check
2150         --warn-mismatch before printing any error.
2151         (Target_arm::merge_object_attributes): Ditto.
2152         * gold.cc (queue_middle_tasks): Handle the case in which there is
2153         no regular object in input.
2154         * options.cc (General_options::parse_EB): New method.
2155         (General_options::parse_EL): Same.
2156         (General_options::General_options): Initialize endianness_.
2157         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2158         New options.
2159         (General_options::Endianness): New enum.
2160         (General_options::endianness): New method.
2161         (General_options::endianness_): New data member.
2162         * parameters.cc (Parameters::set_options): Check target endianness.
2163         (Parameters::set_target_once): Ditto.
2164         (Parameters::check_target_endianness): New method.
2165         (parameters_force_valid_target): If either -EL or -EB is specified,
2166         use it to define endianness of default target.
2167         * parameters.h (Parameters::check_target_endianness): New method
2168         declaration.
2169         * target.h (class Target): Change "endianity" to "endianness"
2170         in comments.
2172 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2174         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2175         * configure: Regenerate.
2176         * Makefile.in: Regenerate.
2177         * testsuite/Makefile.in: Regenerate.
2179 2010-04-06  Cary Coutant  <ccoutant@google.com>
2181         gcc PR lto/42757
2182         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2183         prevailing definitions of common symbols.
2184         * testsuite/plugin_test_6.sh: New test case.
2185         * testsuite/plugin_common_test_1.c: New test case.
2186         * testsuite/plugin_common_test_2.c: New test case.
2187         * testsuite/Makefile.am (plugin_test_6): New test case.
2188         * testsuite/Makefile.in: Regenerate.
2190 2010-04-06  Nick Clifton  <nickc@redhat.com>
2192         * po/vi.po: New Vietnamese translation.
2194 2010-03-30  Doug Kwan  <dougkwan@google.com>
2196         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2198 2010-03-25  Doug Kwan  <dougkwan@google.com>
2200         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2201         to avoid a conversion warning on a 32-bit host.
2203 2010-03-24  Ian Lance Taylor  <iant@google.com>
2205         * testsuite/script_test_3.t: Add a TLS segment.
2206         * testsuite/Makefile.am (check_PROGRAMS): Add
2207         tls_phdrs_script_test.
2208         (tls_phdrs_script_test_SOURCES): Define.
2209         (tls_phdrs_script_test_DEPENDENCIES): Define.
2210         (tls_phdrs_script_test_LDFLAGS): Define.
2211         (tls_phdrs_script_test_LDADD): Define.
2212         * testsuite/Makefile.in: Rebuild.
2214 2010-03-23  Cary Coutant  <ccoutant@google.com>
2216         * fileread.cc (find_or_make_view): Fix comment.
2218 2010-03-23  Ian Lance Taylor  <iant@google.com>
2220         * script-sections.cc (class Orphan_section_placement): Define
2221         PLACE_TLS and PLACE_TLS_BSS.
2222         (Orphan_section_placement::Orphan_section_placement): Initialize
2223         new places.
2224         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
2225         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
2226         (tls_script_test_SOURCES): Define.
2227         (tls_script_test_DEPENDENCIES): Define.
2228         (tls_script_test_LDFLAGS): Define.
2229         (tls_script_test_LDADD): Define.
2230         * testsuite/Makefile.in: Rebuild.
2232 2010-03-22  Doug Kwan  <dougkwan@google.com>
2234         * arm.cc (Arm_relocate_functions::abs8,
2235         Arm_relocate_functions::abs16): Use correct check for overflow
2236         specified in the ARM ELF specs.
2237         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
2238         target of a BLX instruction specially.
2239         (Reloc_stub::stub_type_for_reloc): Ditto.
2240         (Relocate::relocate): Use symbolic names instead of numeric relocation
2241         codes to report error.
2242         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
2243         workaround.
2244         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
2245         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
2246         thumb2_blx_out_of_range.stdout
2247         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
2248         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
2249         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
2250         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
2251         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
2252         thumb2_blx_in_range, thumb2_blx_in_range.o,
2253         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
2254         thumb2_blx_out_of_range.o): New rules.
2255         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
2256         thumb2_blx_in_range and thumb2_blx_out_of_range.
2257         * testsuite/Makefile.in: Regenerate.
2258         * arm_branch_in_range.sh: Add tests for THUMB BLX.
2259         * testsuite/thumb_blx_in_range.s: New file.
2260         * testsuite/thumb_blx_out_of_range.s: New file.
2262 2010-03-22  Rafael Espindola  <espindola@google.com>
2264         * archive.cc (Should_include): Move to archive.h.
2265         (should_include_member): Make it a member of Archive.
2266         (Lib_group): New.
2267         (Add_lib_group_symbols): New.
2268         * archive.h: Include options.h.
2269         (Archive_member): Moved from Archive.
2270         (Should_include): Moved from archive.cc.
2271         (Lib_group): New.
2272         (Add_lib_group_symbols): New.
2273         * dynobj.cc (do_should_include_member): New.
2274         * dynobj.h (do_should_include_member): New.
2275         * gold.cc (queue_initial_tasks): Update call to queue.
2276         * main.cc (main): Print lib group stats.
2277         * object.cc (do_should_include_member): New.
2278         * object.h: Include archive.h.
2279         (Object::should_include_member): New.
2280         (Object::do_should_include_member): New.
2281         (Sized_relobj::do_should_include_member): New.
2282         * options.cc (General_options::parse_start_lib): New.
2283         (General_options::parse_end_lib): New.
2284         (Input_arguments::add_file): Handle lib groups.
2285         (Input_arguments::start_group): Check we are not in a lib.
2286         (Input_arguments::start_lib): New.
2287         (Input_arguments::end_lib): New.
2288         * options.h (General_options): Add start_lib and end_lib.
2289         (Input_argument::lib_): New.
2290         (Input_argument::lib): New.
2291         (Input_argument::is_lib): New.
2292         (Input_file_lib): New.
2293         (Input_arguments::in_lib_): New.
2294         (Input_arguments::in_lib): New.
2295         (Input_arguments::start_lib): New.
2296         (Input_arguments::end_lib_): New.
2297         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
2298         in unused members as preempted.
2299         (Sized_pluginobj::do_should_include_member): New.
2300         * plugin.h (Sized_pluginobj::do_should_include_member): New.
2301         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
2302         return the blocker.
2303         (Read_symbols::do_whole_lib_group): New.
2304         (Read_symbols::do_lib_group): New.
2305         (Read_symbols::do_read_symbols): Handle lib groups.
2306         (Read_symbols::get_name): Handle lib groups.
2307         * readsyms.h (Read_symbols): Add an archive member pointer.
2308         (Read_symbols::do_whole_lib_group): New.
2309         (Read_symbols::do_lib_group): New.
2310         (Read_symbols::member_): New.
2311         * script.cc (read_input_script): Update call to queue_soon.
2313 2010-03-19  Doug Kwan  <dougkwan@google.com>
2315         * arm.cc (Stub_table::Stub_table): Initialize new data members
2316         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2317         (Stub_table::add_reloc_stub): Assign stub offset and update
2318         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2319         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
2320         New data members.
2321         (Stub_table::update_data_size_and_addralign): Use
2322         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
2323         instead of going over all reloc stubs.
2324         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
2325         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2326         Stringpool_template::offset_ to size of Stringpool_char.
2327         (Stringpool_template::new_key_offset): Remove code to initialize
2328         Stringpool_template::offset_.
2329         * stringpool.h (Stringpool_template::set_no_zero_null): Set
2330         Stringpool_template::offset_ to zero.
2332 2010-03-15  Doug Kwan  <dougkwan@google.com>
2334         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2335         offset_.
2336         (Stringpool_template::new_key_offset): New method.
2337         (Stringpool_template::add_string): Assign offsets when adding new
2338         strings.
2339         (Stringpool_template::set_string_offsets): Do not set string offsets
2340         when not optimizing.
2341         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
2342         member size_.
2343         (Chunked_vector::clear): Clear size_.
2344         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
2345         (Chunked_vector::size): Return size_.
2346         (Chunked_vector::push_back): Use size_ to find insert position.
2347         (Chunked_vector::size_): New data member.
2348         (Stringpool_template::set_no_zero_null): Assert string set is empty.
2349         (Stringpool_template::new_key_offset): New method declaration.
2350         (Stringpool_template::offset_): New data member.
2352 2010-03-15   Rafael Espindola  <espindola@google.com>
2354         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
2355         Add_symbols' constructor.
2356         * readsyms.h (Add_symbols): Remove the input_group member.
2358 2010-03-10  Ian Lance Taylor  <iant@google.com>
2360         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
2361         target to ask whether a reference to a symbol requires a stack
2362         split.
2363         * target.h (Target::is_call_to_non_split): New function.
2364         (Target::do_is_call_to_non_split): Declare virtual function.
2365         * target.cc: Include "symtab.h".
2366         (Target::do_is_call_to_non_split): New function.
2367         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
2369 2010-03-10  Cary Coutant  <ccoutant@google.com>
2371         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2372         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2373         (File_read::open[2]): Add whole_file_view_ to list of views.
2374         (File_read::make_view): Remove test of whole_file_view_.
2375         (File_read::find_or_make_view): Create whole_file_view_ if
2376         necessary.
2377         (File_read::clear_views): Replace bool parameter with enum;
2378         adjust all callers.  Don't delete views with permanent data;
2379         do delete cached views and views from archives if
2380         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2381         if clearing the corresponding view.
2382         * fileread.h (File_read::Clear_views_mode): New enum.
2383         (File_read::View::is_permanent_view): New method.
2384         (File_read::clear_views): Replace bool parameter
2385         with enum; adjust all callers.
2386         * options.h (General_options): Change keep_files_mapped option;
2387         add map_whole_files.
2388         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2389         releasing the file.
2390         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2391         the file.
2393 2010-03-10  David S. Miller  <davem@davemloft.net>
2395         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2397 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2399         * icf.cc (get_section_contents): Add '@' marker after processing the
2400         merge reloc.
2402 2010-03-08  Doug Kwan  <dougkwan@google.com>
2404         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2405         due to a conversion warning.
2406         (Arm_relobj::update_output_local_symbol_count): Check for local
2407         symbol with unset output index.
2409 2010-03-05  Ian Lance Taylor  <iant@google.com>
2411         * options.h (class General_options): Add --spare-dynamic-tags.
2412         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2413         --spare-dynamic-tags.
2415 2010-03-05  Ian Lance Taylor  <iant@google.com>
2417         * incremental.cc: Include "libiberty.h".
2419 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2421         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2422         function, is_info_ member.
2423         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2424         (Versions::Versions): Update caller.
2425         (Versions::define_base_version): Likewise.
2426         (Versions::add_def): Likewise.
2428 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2430         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2431         (Scan::possible_function_pointer_reloc): New function.
2432         (Scan::local_reloc_may_be_function_pointer): Change to call
2433         possible_function_pointer_reloc.
2434         (Scan::global_reloc_may_be_function_pointer): Ditto.
2435         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2436         relocations in ".data.rel.ro._ZTV" section.
2437         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2438         * testsuite/icf_safe_so_test.cc: Ditto.
2439         * testsuite/icf_safe_test.cc: Ditto.
2440         * testsuite/icf_safe_test.sh: Ditto.
2442 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2443             Ian Lance Taylor  <iant@google.com>
2445         * target-reloc.h (relocate_section): Check the symbol table index
2446         for -1U before setting the local symbol index.
2447         (scan_relocatable_relocs): If copying the relocation, record that
2448         the local symbol is required.
2449         * object.h (Symbol_value::is_output_symtab_index_set): New
2450         function.
2451         (Symbol_value::may_be_discarded_from_output_symtab): New
2452         function.
2453         (Symbol_value::has_output_symtab_entry): New function.
2454         (Symbol_value::needs_output_symtab_entry): Remove.
2455         (Symbol_value::output_symtab_index): Make sure the symbol index is
2456         set.
2457         (Symbol_value::set_output_symtab_index): Make sure the symbol
2458         index is not set.  Make sure the new index is valid.
2459         (Symbol_value::set_must_have_output_symtab_entry): New function.
2460         (Symbol_value::has_output_dynsym_entry): New function.
2461         (Symbol_value::set_output_dynsym_index): Make sure the new index
2462         is valid.
2463         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2464         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2465         local symbol if permitted.
2466         (Sized_relobj::do_finalize_local_symbols): Call
2467         is_output_symtab_index_set rather than needs_output_symtab_entry.
2468         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2469         rather than needs_output_symtab_entry.  Call
2470         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2471         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2472         is_output_symtab_index_set rather than needs_output_symtab_entry.
2473         * testsuite/discard_locals_relocatable_test.c: New file.
2474         * testsuite/discard_locals_test.sh: Test -r.
2475         * testsuite/Makefile.am (check_DATA): Add
2476         discard_locals_relocatable_test1.syms,
2477         discard_local_relocatable_test2.syms.
2478         (MOSTLYCLEANFILES): Likewise.  Also add
2479         discard_locals_relocatable_test1.lout and
2480         discard_locals_relocatable_test2.out.
2481         (discard_locals_relocatable_test1.syms): New target.
2482         (discard_locals_relocatable_test.o): New target.
2483         (discard_locals_relocatable_test1.out): New target.
2484         (discard_locals_relocatable_test2.syms): New target.
2485         (discard_locals_relocatable_test2.out): New target.
2486         (various): Add missing ../ld-new dependencies.
2487         * testsuite/Makefile.in: Rebuild.
2489 2010-03-03  Nick Clifton  <nickc@redhat.com>
2491         * po/fi.po: New Finnish translation.
2493 2010-03-01  Doug Kwan  <dougkwan@google.com>
2495         * layout.cc (Layout::Layout): Force section types of .init_array*,
2496         .preinit_array* and .fini_array* sections.
2497         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2498         Fix check of return value of std::string::find.().
2499         (Output_section::Input_section_sort_compare::operator()): Remove
2500         comment about .init_array.
2501         (Output_section::Input_section_sort_init_fini_compare::operator()):
2502         New method.
2503         (Output_section::sort_attached_input_sections): Handle .init_array
2504         and .fini_array specially.
2505         * output.h (Output_section::Inut_section_sort_compare): Update
2506         comment.
2507         (Output_section::Input_section_sort_init_fini_compare): New struct.
2509 2010-02-26  Doug Kwan  <dougkwan@google.com>
2511         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2512         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2513         * testsuite/debug_msg.sh: Avoid matching source line number for
2514         use of global variable undef_int.
2516 2010-02-26  Doug Kwan  <dougkwan@google.com>
2518         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2519         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2520         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2521         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2522         * options.cc (General_options::General_options): Initialize member
2523         fix_v4bx_.
2524         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2525         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2526         and rm_no_fix_v4bx.stdout
2527         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2528         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2529         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2530         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2531         and arm_no_fix_v4bx.
2532         * Makefile.in: Regenerate.
2533         * testsuite/arm_fix_v4bx.s: New file.
2534         * testsuite/arm_fix_v4bx.sh: Ditto.
2536 2010-02-24  Doug Kwan  <dougkwan@google.com>
2538         * arm.cc (Target_arm::got_section): Make the .got section the first
2539         non RELRO section in the data segment.
2540         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2541         suffixes of section names.
2543 2010-02-24  Doug Kwan  <dougkwan@google.com>
2545         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2546         flags and attributes merging if an input file is a binary file.
2547         * fileread.cc (Input_file::open): Record format of original file.
2548         * fileread.h (Input_file::Format): New enum type.
2549         (Input_file::Input_file): Initialize data member format_.
2550         (Input_file::format): New method definition.
2551         (Input_file::format_):: New data member.
2553 2010-02-24  Doug Kwan  <dougkwan@google.com>
2555         * arm.cc (Arm_output_data_got): New class.
2556         (ARM_TCB_SIZE): New constant
2557         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2558         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2559         If user uses a script with a SECTIONS clause, issue only a warning
2560         for a misplaced EXIDX input section.  Otherwise, issue an error.
2561         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2562         garbage collection.
2563         (Target_arm::got_mode_index_entry): Handle static linking.
2564         (Target_arm::Scan::local): Ditto.
2565         (Target_arm::Scan::global): Ditto.
2566         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2567         all incorrectly implemented relocations.
2568         (Target_arm::fix_exidx_coverage): Pass layout to
2569         Arm_output_section::fix_exidx_coverage.
2570         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2571         from ".ARM.exidx." and ".ARM.extab.".
2573 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2575         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2576         section if it does not already exist.
2577         * attributes.cc (Attributes_section_data::Attributes_section_data):
2578         Don't crash if size is zero.
2580 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2581             Ian Lance Taylor  <iant@google.com>
2583         * gold.cc (queue_middle_tasks): If no input files were opened,
2584         exit.
2585         * workqueue.h (Task_function::Task_function): Assert that there is
2586         a blocker.
2588 2010-02-22  Doug Kwan  <dougkwan@google.com>
2590         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2591         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2592         types to avoid warnings due to different uint64_t implementations
2593         on different hosts.
2595 2010-02-21  Doug Kwan  <dougkwan@google.com>
2597         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2598         handling of the maximum backward branch offset.
2599         (Arm_relocate_functions::thumb_branch_common): Ditto.
2600         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2601         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2602         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2603         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2604         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2605         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2606         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2607         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2608         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2609         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2610         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2611         thumb2_bl_out_of_range.o): New rules.
2612         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2613         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2614         thumb2_bl_out_of_range
2615         * testsuite/Makefile.in: Regenerate.
2616         * testsuite/arm_bl_in_range.s: New file.
2617         * testsuite/arm_bl_out_of_range.s: Ditto.
2618         * testsuite/arm_branch_in_range.sh: Ditto.
2619         * testsuite/arm_branch_range.t: Ditto.
2620         * testsuite/thumb2_branch_range.t: Ditto.
2621         * testsuite/thumb_bl_in_range.s: Ditto.
2622         * testsuite/thumb_bl_out_of_range.s: Ditto.
2623         * testsuite/thumb_branch_range.t: Ditto.
2625 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2627         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2628         Add reloc offset information.
2629         * icf.cc (get_section_contents): Change iterators to point to the new
2630         vectors. Add reloc offset information to the contents.
2631         * icf.h (Icf::Sections_reachable_info): New typedef.
2632         (Icf::Sections_reachable_list): New typedef.
2633         (Icf::Offset_info): New typedef.
2634         (Icf::Reloc_info): New struct typedef.
2635         (Icf::Reloc_info_list): New typedef.
2636         (Icf::symbol_reloc_list): Delete method.
2637         (Icf::addend_reloc_list): Delete method.
2638         (Icf::section_reloc_list): Delete method.
2639         (Icf::reloc_info_list): New method.
2640         (Icf::reloc_info_list_): New member.
2642 2010-02-19  Doug Kwan  <dougkwan@google.com>
2644         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2645         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2646         * arm.cc (Arm_relocation_functions): New forward declaration.
2647         (Target_arm::Target_arm): Initialize new data members
2648         got_mod_index_offset_ and tls_base_symbol_defined_.
2649         (Target_arm::Relocate::relocate_tls): New method.
2650         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2651          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2652         New methods.
2653         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2654         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2655         (Target_arm::got_mod_index_offset_,
2656         Target_arm::tls_base_symbol_defined_): New data members.
2657         (Target_arm::Scan::local, Target::Scan::global,
2658         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2659         relocations.
2661 2010-02-18  Doug Kwan  <dougkwan@google.com>
2663         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2664         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2665         text section as a parameter becuase some broken tools may not set
2666         the link in section header.
2667         (Target_arm::has_got_section): New method.
2668         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2669         without any mapping symbol as data only.  Remove warning.
2670         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2671         link in its section header, try to discover the link by inspecting the
2672         REL31 relocation at the beginning of the section.
2673         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2674         in error message.
2675         (Target_arm::Scan::global): Treat any reference to the symbol
2676         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2678 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2680         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2681         (Scan::global_reloc_may_be_function_pointer): New function.
2682         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2683         (Scan::global_reloc_may_be_function_pointer): New function.
2684         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2685         (Scan::global_reloc_may_be_function_pointer): New function.
2686         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2687         (Scan::global_reloc_may_be_function_pointer): New function.
2688         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2689         (Scan::global_reloc_may_be_function_pointer): New function.
2690         (Scan::possible_function_pointer_reloc): New function.
2691         (Target_x86_64::can_check_for_function_pointers): New function.
2692         * gc.h (gc_process_relocs): Scan relocation types to determine if
2693         function pointers were taken for targets that support it.
2694         * icf.cc (Icf::find_identical_sections): Include functions for
2695         folding in safe ICF whose pointer is not taken.
2696         * icf.h (Secn_fptr_taken_set): New typedef.
2697         (fptr_section_id_): New member.
2698         (section_has_function_pointers): New function.
2699         (set_section_has_function_pointers): New function.
2700         (check_section_for_function_pointers): New function.
2701         * options.h: Fix comment for safe ICF option.
2702         * target.h (can_check_for_function_pointers): New function.
2703         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2704         Modify icf_safe_test for X86-64.
2705         * testsuite/Makefile.in: Regenerate.
2706         * testsuite/icf_safe_so_test.cc: New file.
2707         * testsuite/icf_safe_so_test.sh: New file.
2708         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2709         (main): Change to take pointer to function kept_func_3.
2710         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2711         folding is done correctly for X86-64.
2713 2010-02-12  David S. Miller  <davem@davemloft.net>
2715         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2716         is_symbolless parameter.
2717         (Output_reloc<SHT_REL>::is_symbolless): New.
2718         (Output_reloc<SHT_REL>::is_symbolless_): New.
2719         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2720         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2721         (Output_reloc<SHT_RELA>::is_symbolless): New.
2722         (Output_data_reloc::add_global): Handle is_symbolless.
2723         (Output_data_reloc::add_global_relative): Likewise.
2724         (Output_data_reloc::add_local): Likewise.
2725         (Output_data_reloc::add_local_relative): Likewise.
2726         (Output_data_reloc::add_symbolless_global_addend): New.
2727         (Output_data_reloc::add_symbolless_local_addend): New.
2728         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2729         is_symbolless.
2730         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2731         instead of ->is_relative_
2732         (Output_reloc::write): Likewise.
2733         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2734         (Output_reloc::write_rel): Simplify.
2736         * sparc.cc (Target_sparc::Scan::local): Use
2737         ->add_symbolless_local_addend as needed.
2738         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2739         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2740         based upon relocation offset.
2742 2010-02-11  Doug Kwan  <dougkwan@google.com>
2744         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2745         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2746         beginning of function.
2747         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2748         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2749         parameter is_32bit in calls to should_apply_static_reloc.
2750         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2751         (check_DATA): Add arm_abs_global.stdout.
2752         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2753         arm_abs_global.stdout): New rules.
2754         (MOSTLLYCLEANFILES): Add arm_abs_global
2755         * Makefile.in: Regenerate.
2756         * testsuite/arm_abs_global.s: New file.
2757         * testsuite/arm_abs_global.sh: Ditto.
2758         * testsuite/arm_abs_lib.s: Ditto.
2760 2010-02-11  Ian Lance Taylor  <iant@google.com>
2762         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2763         Read_relocs task.
2764         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2765         Allocate_commons_task first.
2766         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2767         task, rather than symtab_lock_.
2768         (Gc_process_relocs::~Gc_process_relocs): New function.
2769         (Gc_process_relocs::is_runnable): Check this_blocker_.
2770         (Gc_process_relocs::locks): Use next_blocker_ rather than
2771         blocker_.
2772         (Scan_relocs::~Scan_relocs): New function.
2773         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2774         symtab_lock_.
2775         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2776         next_blocker_.
2777         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2778         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2779         constructor accordingly.
2780         (class Gc_process_relocs): Likewise.
2781         (class Scan_relocs): Likewise.
2782         * common.h (class Allocate_commons_task): Remove symtab_lock_
2783         field, and corresponding constructor parameter.
2784         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2785         symtab_lock_.
2786         (Allocate_commons_task::locks): Likewise.
2788 2010-02-11  Ian Lance Taylor  <iant@google.com>
2790         * gold-threads.h (class Once): Define.
2791         (class Initialize_lock): Rewrite as child of Once.
2792         * gold-threads.cc (class Once_initialize): Define.
2793         (once_pointer_control): New static variable.
2794         (once_pointer, once_arg): New static variables.
2795         (c_run_once): New static function.
2796         (Once::Once, Once::run_once, Once::internal_run): New functions.
2797         (class Initialize_lock_once): Remove.
2798         (initialize_lock_control): Remove.
2799         (initialize_lock_pointer): Remove.
2800         (initialize_lock_once): Remove.
2801         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2802         (Initialize_lock::initialize): Rewrite.
2803         (Initialize_lock::do_run_once): New function.
2804         * archive.cc (Archive::interpret_header): Only clear name if it is
2805         not already empty.
2806         * fileread.cc: Include "gold-threads.h"
2807         (file_counts_lock): New static variable.
2808         (file_counts_initialize_lock): Likewise.
2809         (File_read::release): Only increment counts when using --stats.
2810         Use a lock around the increment.
2811         * parameters.cc (class Set_parameters_target_once): Define.
2812         (set_parameters_target_once): New static variable.
2813         (Parameters::Parameters): Move here from parameters.h.
2814         (Parameters::set_target): Rewrite.
2815         (Parameters::set_target_once): New function.
2816         (Parameters::clear_target): Move here and rewrite.
2817         * parameters.h (class Parameters): Update declarations.  Add
2818         set_parameters_target_once_ field.
2819         (Parameters::Parameters): Move to parameters.cc.
2820         (Parameters::clear_target): Likewise.
2821         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2822         task.
2823         (Start_group::~Start_group): New function.
2824         (Start_group::is_runnable): New function.
2825         (Start_group::locks, Start_group::run): New functions.
2826         (Finish_group::run): Change saw_undefined to size_t.
2827         * readsyms.h (class Start_group): Define.
2828         (class Finish_group): Change saw_undefined_ field to size_t.
2829         (Finish_group::Finish_group): Remove saw_undefined and
2830         this_blocker parameters.  Change all callers.
2831         (Finish_group::set_saw_undefined): New function.
2832         (Finish_group::set_blocker): New function.
2833         * symtab.h (class Symbol_table): Change saw_undefined to return
2834         size_t.  Change saw_undefined_ field to size_t.
2835         * target-select.cc (Set_target_once::do_run_once): New function.
2836         (Target_selector::Target_selector): Initialize set_target_once_
2837         field.  Don't initialize lock_ and initialize_lock_ fields.
2838         (Target_selector::instantiate_target): Rewrite.
2839         (Target_selector::set_target): New function.
2840         * target-select.h (class Set_target_once): Define.
2841         (class Target_selector): Update declarations.  Make
2842         Set_target_once a friend.  Remove lock_ and initialize_lock_
2843         fields.  Add set_target_once_ field.
2845 2010-02-10  Ian Lance Taylor  <iant@google.com>
2847         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2848         queueing any tasks.
2849         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2850         (queue_middle_tasks): Add all blockers before queueing any tasks.
2851         (queue_final_tasks): Likewise.
2852         * token.h (Task_token::add_blockers): New function.
2853         * object.h (Input_objects::number_of_relobjs): New function.
2855 2010-02-10  Ian Lance Taylor  <iant@google.com>
2857         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2858         shared, not if not position independent.
2859         * x86_64.cc (Relocate::relocate_tls): Likewise.
2860         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2861         (tls_pie_pic_test): New target.
2862         * testsuite/Makefile.in: Rebuild.
2864         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2865         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2866         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2867         * testsuite/Makefile.in: Rebuild.
2869 2010-02-09  David S. Miller  <davem@davemloft.net>
2871         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2872         R_SPARC_RELATIVE using ->add_local_relative().
2873         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2875         * output.h (Output_data_dynamic::add_section_size): New method
2876         that takes two Output_data objects.
2877         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2878         entry param.  Handle it in initializers.
2879         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2880         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2881         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2882         arg.
2883         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2884         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2885         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2886         for dynrel_includes_plt.
2887         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2888         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2889         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2890         before .rela.plt
2891         (Target_sparc::do_finalize_sections): Update to pass true for
2892         dynrel_includes_plt.
2893         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2894         output before .rela.plt
2895         (Target_powerpc::do_finalize_sections): Update to pass true for
2896         dynrel_includes_plt when 32-bit.
2898 2010-02-08  Doug Kwan  <dougkwan@google.com>
2900         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2901         method.
2902         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2903         Arm_relobj::scan_section_for_cortex_a8_stubs,
2904         Arm_relobj::do_relocation_section): Instead of calling
2905         Output_section::output_address, use faster
2906         Arm_relobj::simple_input_section_output_address.
2908 2010-02-08  David S. Miller  <davem@davemloft.net>
2910         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2911         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2912         relocation helper function.
2914         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2915         just like R_SPARC_GOT{10,13,22}.
2916         (Target_sparc::Scan::local): Likewise.
2917         (Target_sparc::Relocate:relocate): Likewise.
2919 2010-02-06  Ian Lance Taylor  <iant@google.com>
2921         * configure.ac: Rewrite targetobjs duplicate removal code to use
2922         only shell constructs.
2923         * configure: Rebuild.
2925 2010-02-05  Doug Kwan  <dougkwan@google.com>
2927         PR 11247
2928         * arm.cc (Arm_relobj::section_is_scannable): New method.
2929         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
2930         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2932 2010-02-04  Doug Kwan  <dougkwan@google.com>
2934         PR 11247
2935         * arm-reloc-property.cc (cstdio): Include.
2936         * configure.ac (targetobjs): Remove duplicates.
2937         * configure: Regenerate.
2938         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
2939         big and little endian version for a given address size.
2941 2010-02-03  Doug Kwan  <dougkwan@google.com>
2943         * arm-reloc-property.cc
2944         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2945         definition.
2946         * arm-reloc-property.h
2947         (Arm_reloc_property_table::get_implemented_static_reloc_property):
2948         New method definition.
2949         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2950         declaration.
2951         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
2952         overflow to N.
2953         (GOT_PREL): Change implemented to Y.
2954         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
2955         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
2956         (Arm_relocate_functions::movw_abs_nc): Remove method.
2957         (Arm_relocate_functions::movt_abs): Ditto.
2958         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
2959         (Arm_relocate_functions::thm_movt_abs): Ditto.
2960         (Arm_relocate_functions::movw_rel_nc): Ditto.
2961         (Arm_relocate_functions::movw_rel): Ditto.
2962         (Arm_relocate_functions::movt_rel): Ditto.
2963         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
2964         (Arm_relocate_functions:thm_movw_rel): Ditto.
2965         (Arm_relocate_functions:thm_movt_rel): Ditto.
2966         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
2967         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
2968         New method definitions.
2969         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
2970         (Arm_relocation_functions::arm_grp_ldr): Ditto.
2971         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
2972         (Arm_relocation_functions::arm_grp_ldc): Ditto.
2973         (Target_arm::Relocate::relocate): Check for non-static or
2974         unimplemented relocation code and exit early.  Change calls to
2975         Target_arm::reloc_uses_thumb_bit and
2976         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
2977         instead.  Refactor code to handle similar relocations to increase
2978         code sharing.  Remove check for unsupported relocation code in switch
2979         statement.
2980         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
2981         relocation property table to find out size.  Change error message to
2982         print out the name of a relocation code instead of the numeric value.
2983         (Target_arm::scan_reloc_for_stub): Use relocation property table
2984         instead of calling Target_arm::reloc_uses_thumb_bit().
2986 2010-02-02  Doug Kwan  <dougkwan@google.com>
2988         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
2989         types of relaxed input section.
2991 2010-02-02  Doug Kwan  <dougkwan@google.com>
2993         * Makefile.am (HFILES): Add arm-reloc-property.h.
2994         (DEFFILES): New.
2995         (TARGETSOURCES): Add arm-reloc-property.cc
2996         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
2997         (libgold_a_SOURCES): $(DEFFILES)
2998         * Makefile.in: Regenerate.
2999         * arm-reloc-property.cc: New file.
3000         * arm-reloc-property.h: New file.
3001         * arm-reloc.def: New file.
3002         * arm.cc: Update comments.
3003         (arm-reloc-property.h): New included header.
3004         (arm_reloc_property_table): New global variable.
3005         (Target_arm::do_select_as_default_target): New method definition.
3006         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
3007         arm-reloc-property to targ_extra_obj.
3008         * parameters.cc (set_parameters_target): Call
3009         Target::select_as_default_target().
3010         * target.h (Target::select_as_default_target): New method definition.
3011         (Target::do_select_as_default_target): Same.
3013 2010-02-01  Doug Kwan  <dougkwan@google.com>
3015         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
3016         first_output_text_section_.
3017         (Arm_exidx_fixup::first_output_text_section): New method definition.
3018         (Arm_exidx_fixup::first_output_text_section_): New data member.
3019         (Arm_exidx_fixup::process_exidx_section): Record the first text
3020         output section seen.
3021         (Arm_output_section::fix_exidx_coverage): Set correct linked section
3022         and entsize in output section header.
3024 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3026         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
3027         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
3028         (Arm_relocate_functions::thm_alu11): New Method.
3029         (Arm_relocate_functions::thm_pc8): New Method.
3030         (Arm_relocate_functions::thm_pc12): New Method.
3031         (Target_arm::Scan::local): Handle the relocations.
3032         (Target_arm::Scan::global): Likewise.
3033         (Target_arm::Relocate::relocate): Likewise.
3034         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3036 2010-01-29  Doug Kwan  <dougkwan@google.com>
3038         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
3039         of relocation types as ld.
3041 2010-01-29  Doug Kwan  <dougkwan@google.com>
3043         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
3044         to public.
3045         (Arm_relocate_functions::thumb_branch_common): Ditto.
3046         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
3047         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
3048         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
3049         Arm_relocate_functions::jump24): Remove.
3050         (Target_arm::Relocate::relocate): Adjust code to call
3051         Arm_relocation_functions::arm_branch_common and
3052         Arm_relocation_functions::thumb_branch_common instead of their removed
3053         wrappers.  Merge switch-cases together to reduce source code size.
3055 2010-01-29  Doug Kwan  <dougkwan@google.com>
3057         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
3058         output_local_symbol_count_needs_update_.
3059         (Arm_relobj::output_local_symbol_count_needs_update,
3060          Arm_relobj::set_output_local_symbol_count_needs_update,
3061          Arm_relobj::update_output_local_symbol_count): New methods.
3062         (Arm_relobj::output_local_symbol_count_needs_update_): New data
3063         member.
3064         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
3065         of pointed function as in a R_ARM_PREL31 relocation.
3066         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
3067         for output local symbol count updating.
3068         (Target_arm::do_relax): Update output local symbol counts in objects
3069         if necessary.
3070         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
3072 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3074         * arm.cc: Added support for the ARM relocations:
3075         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
3076         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
3077         (Arm_relocate_functions::movw_rel_nc): Renamed (was
3078         movw_prel_nc).
3079         (Arm_relocate_functions::movw_rel): New method.
3080         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
3081         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
3082         thm_movw_prel_nc).
3083         (Arm_relocate_functions::thm_movw_rel): New method.
3084         (Arm_relocate_functions::thm_movt_rel): Renamed (was
3085         thm_movt_prel).
3086         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
3087         relocations.
3088         (Target_arm::Scan::global): Likewise.
3089         (Target_arm::Relocate::relocate): Likewise.
3090         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3091         Likewise.
3093 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3095         * arm.cc: Added support for ARM group relocations.
3096         (Target_arm::reloc_needs_sym_origin): New method.
3097         (Arm_relocate_functions::calc_grp_kn): New method.
3098         (Arm_relocate_functions::calc_grp_residual): New method.
3099         (Arm_relocate_functions::calc_grp_gn): New method.
3100         (Arm_relocate_functions::arm_grp_alu): New Method.
3101         (Arm_relocate_functions::arm_grp_ldr): New Method.
3102         (Arm_relocate_functions::arm_grp_ldrs): New Method.
3103         (Arm_relocate_functions::arm_grp_ldc): New Method.
3104         (Target_arm::Scan::local): Handle the ARM group relocations.
3105         (Target_arm::Scan::global): Likewise.
3106         (Target_arm::Relocate::relocate): Likewise.
3107         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3108         Likewise.
3110 2010-01-26  Doug Kwan  <dougkwan@google.com>
3112         * arm.cc (set): Include.
3113         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3114         pointer type.
3115         (Arm_output_section::Text_section_list): New type.
3116         (Arm_output_section::append_text_sections_to_list): New method.
3117         (Arm_output_section::fix_exidx_coverage): Ditto.
3118         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3119         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3120         Relobj::set_section_offset() instead of
3121         Sized_relobj::invalidate_section_offset().
3122         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3123         parameter for section headers. Ignore relocation sections for
3124         unallocated sections and EXIDX sections.
3125         (Target_arm::fix_exidx_coverage): New method.
3126         (Target_arm::output_section_address_less_than): New type.
3127         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3128         linked text section instead of the EXIDX section.
3129         (Arm_output_section::create_stub_group): Add an assertion to check
3130         that this is not an EXIDX output section.
3131         (Arm_output_section::append_text_sections_to_list): New method.
3132         (Arm_output_section::fix_exidx_coverage): Ditto.
3133         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3134         Arm_relobj::section_needs_reloc_stub_scanning.
3135         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3136         first pass.
3137         (Target_arm::fix_exidx_coverage): New method.
3138         * object.h (Relobj::set_output_section): New method.
3139         (Sized_relobj::invalidate_section_offset): Remove method.
3140         (Sized_relobj::do_invalidate_section_offset): Remove method.
3141         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3143 2010-01-25  Doug Kwan  <dougkwan@google.com>
3145         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3146         Fix warning due to signed and unsigned comparison on a 32-bit host.
3148 2010-01-22  Doug Kwan  <dougkwan@google.com>
3150         * arm.cc (Target_arm::do_relax): Record an output section for section
3151         offset adjustment it contains any stub table that has changed.
3152         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3153         offsets in an output section if necessary.
3154         * output.cc (Output_section::Output_section): Initialize
3155         section_offsets_need_adjustments_.
3156         (Output_section::add_input_section_for_script): Renamed to
3157         Output_section::add_simple_input_section.
3158         (Output_section::save_states): Add a comment.
3159         (Output_section::discard_states): New method defintion.
3160         (Output_section::adjust_section_offsets): Same.
3161         * output.h (Output_section::add_input_section_for_script): Renamed to
3162         Output_section::add_simple_input_section.
3163         (Output_section::discard_states): New method declaration.
3164         (Output_section::adjust_section_offsets): Same.
3165         (Output_section::section_offsets_need_adjustment,
3166         Output_section::set_section_offsets_need_adjustment): New method
3167         definitions.
3168         (Output_section::section_offsets_need_adjustment_): New data member.
3169         * script-sections.cc
3170         (Output_section_element_input::set_section_address): Adjust code for
3171         renaming of Output_section::add_input_section_for_script.
3172         (Orphan_output_section::set_section_address): Same.
3174 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3176         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3177         Fix_v4bx enum values .
3178         * gold/options.h (General_options): New option definitions.
3179         (General_options::fix_v4bx): New method.
3180         (General_options::Fix_v4bx): New enum.
3181         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3182         (General_options::parse_fix_v4bx_interworking): New method.
3184 2010-01-22  Doug Kwan  <dougkwan@google.com>
3186         * arm.cc (Arm_exidx_fixup): New class.
3188 2010-01-21  Doug Kwan  <dougkwan@google.com>
3190         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3191         classes.
3192         (Arm_exidx_section_offset_map): New type.
3194 2010-01-21  Doug Kwan  <dougkwan@google.com>
3196         * arm.cc (Arm_exidx_input_section): New class.
3197         (Arm_relobj::exidx_input_section_by_link,
3198         Arm_relobj::exidx_input_section_by_shndx,
3199         Arm_relobj::make_exidx_input_section): New methods.
3200         (read_arm_attributes_section): Remove.
3201         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3202         information about them.
3203         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
3204         to here.
3206 2010-01-20  Doug Kwan  <dougkwan@google.com>
3208         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
3209         Input_section_specifier to Section_id.
3210         (Target_arm::new_arm_input_section: Adjust code for change of key
3211         type.
3212         (Target_arm::find_arm_input_section): Ditto.
3213         * gc.h (object.h): Include for Section_id nand Section_id_hash.
3214         (Section_id): Remove.
3215         (Garbage_collection::Section_id_hash): Remove.
3216         * icf.h (object.h): Include for Section_id nand Section_id_hash.
3217         (Section_id): Remove.
3218         (Icf::Section_id_hash): Remove.
3219         * object.h (Section_id, Const_section_id, Section_id_hash,
3220         Const_section_id_hash): New type definitions.
3221         * output.cc (Output_section::add_relaxed_input_section): Change to
3222         use Const_section_id instead of Input_section_specifier as key type.
3223         (Output_section::add_merge_input_section): Ditto.
3224         (Output_section::build_relaxation_map): Change to use Section_id
3225         instead of Input_section_specifier as key type.
3226         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3227         Ditto.
3228         (Output_section::convert_input_sections_to_relaxed_sections): Change
3229         to use Const_section_id instead of Input_section_specifier as key type.
3230         (Output_section::find_merge_section): Ditto.
3231         (Output_section::find_relaxed_input_section): Ditto.
3232         * output.h (Input_section_specifier): Remove class.
3233         (Output_section::Output_section_data_by_input_section_map): Change
3234         key type to Const_section_id.
3235         (Output_section::Output_relaxed_input_section_by_input_section_map):
3236         Ditto.
3237         (Output_section::Relaxation_map): Change key type to Section_id.
3239 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3241         * gold/arm.cc: Added support for R_ARM_V4BX relocation
3242         (class Arm_v4bx_stub): New class.
3243         (DEF_STUBS): Updated definition to support v4_veneer_bx.
3244         (Stub_factory::make_arm_v4bx_stub): New method.
3245         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
3246         (Stub_table::empty): Handle v4bx stubs.
3247         (Stub_table::add_arm_v4bx_stub): New method.
3248         (Stub_table::find_arm_v4bx_stub): New method.
3249         (Arm_relocate_functions::v4bx): New method.
3250         (Target_arm::fix_v4bx): New method.
3251         (Target_arm::Target_arm): Handle R_ARM_V4BX.
3252         (Stub_table::relocate_stubs): Likewise.
3253         (Stub_table::do_write): Likewise.
3254         (Stub_table::update_data_size_and_addralign): Likewise.
3255         (Stub_table::finalize_stubs):  Likewise.
3256         (Target_arm::Scan::local): Likewise.
3257         (Target_arm::Scan::global): Likewise.
3258         (Target_arm::do_finalize_sections): Likewise.
3259         (Target_arm::Relocate::relocate): Likewise.
3260         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3261         Likewise.
3262         (Target_arm::scan_reloc_for_stub): Likewise.
3263         (Target_arm::scan_reloc_section_for_stubs): Likewise.
3265 2010-01-19  Ian Lance Taylor  <iant@google.com>
3267         * output.cc (Output_section_headers::do_sized_write): Write large
3268         segment count to sh_info field.
3269         (Output_file_header::do_sized_write): For large segment count,
3270         write PN_XNUM to e_phnum field.
3272 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3274         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
3275         (Arm_relocate_functions::thm_jump8): New function.
3276         (Arm_relocate_functions::thm_jump11): New function.
3277         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
3278         R_ARM_THM_JUMP11.
3279         (Target_arm::Scan::global): Likewise.
3280         (Target_arm::Relocate::relocate): Likewise.
3281         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3282         Likewise.
3284 2010-01-14  Doug Kwan  <dougkwan@google.com>
3286         * arm.cc (map, utility): Include headers.
3287         (Target_arm::apply_cortex_a8_workaround): New method.
3288         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
3289         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
3290         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
3291         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
3292         the --[no-]fix-cortex-a8 command line options.
3293         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
3294         (Target_arm::relocate_stub): Use addend in instruction template.
3295         * options.h (DEFINE_bool): Set the user-set flag.
3296         (General_options): Add --[no-]-fix-cortex options.
3297         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
3298         : Update fast look-up map after conversion.
3300 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
3302         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
3303         in the first pass of do_layout.
3305 2010-01-13  Doug Kwan  <dougkwan@google.com>
3307         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3308         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
3309         apparent compiler problem of not folding static constant integral
3310         data members of elfcpp::Elf_sizes<32>.
3312 2010-01-13  Doug Kwan  <dougkwan@google.com>
3314         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3315         Arm_relobj::section_needs_cortex_a8_stub_scanning,
3316         Arm_relobj::scan_section_for_cortex_a8_erratum,
3317         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
3318         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
3319         sections to scan for relocation stubs into a new method
3320         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
3321         relocation and Cortex-A8 stub scanning.
3322         (Target_arm::do_relax): Force stubs to be after stubbed sections
3323         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
3324         the beginning of a new relaxation pass.  Update a comment.
3325         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
3327 2010-01-12  Ian Lance Taylor  <iant@google.com>
3329         * target-reloc.h (visibility_error): New inline function.
3330         (relocate_section): Call visibility_error.
3331         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
3332         (MOSTLYCLEANFILES): Likewise.
3333         (protected_4_pic.o, protected_3.err): New targets.
3334         * testsuite/protected_4.cc: New file.
3336 2010-01-12  Doug Kwan  <dougkwan@google.com>
3338         * arm.cc (Cortex_a8_reloc): New class.
3339         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
3340         and cortex_a8_relocs_info_.
3341         (Target_arm::fix_cortex_a8): New method definition.
3342         (Target_arm::Cortex_a8_relocs_info): New type.
3343         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
3344         New data member declarations.
3345         (Target_arm::scan_reloc_for_stub): Record information about
3346         relocations for THUMB branches that might be exempted from the
3347         Cortex-A8 workaround.
3348         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
3349         at the beginning of a relaxation pass.
3351 2010-01-12  Doug Kwan  <dougkwan@google.com>
3353         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
3354         (Arm_relobj::Mapping_symbol_position,
3355          Arm_reloj::Mapping_symbol_position_less,
3356          Arm_relobj::Mapping_symbols_info): New types.
3357         (Target_arm::is_mapping_symbol_name): New method definition.
3358         (Arm_relobj::do_count_local_symbols): Save information about mapping
3359         symbols.
3361 2010-01-11  Doug Kwan  <dougkwan@google.com>
3363         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
3364         Arm_relocate_functions::thumb32_branch_upper,
3365         Arm_relocate_functions::thumb32_branch_lower,
3366         Arm_relocate_functions::thumb32_cond_branch_offset,
3367         Arm_relocate_functions::thumb32_cond_branch_upper,
3368         Arm_relocate_functions::thumb32_cond_branch_lower,
3369         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
3370         branch offset encoding.
3371         (Arm_relocate_functions::thumb_branch_common): Use new branch
3372         offset encoding methods to avoid code duplication.
3373         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3374         (Stub_addend_reader::operator()): Use new branch encoding method
3375         to avoid code duplication.
3377 2010-01-11  Doug Kwan  <dougkwan@google.com>
3379         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3380         (Target_arm::do_finalize_sections): Define special EXIDX section
3381         symbols only if referenced.
3382         * gc.h (Garbage_collection::add_reference): New method.
3383         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3384         code duplication.
3386 2010-01-11  Ian Lance Taylor  <iant@google.com>
3388         * script.cc (Version_script_info::build_expression_list_lookup):
3389         Change complaing about duplicate wildcard match from error to
3390         warning.
3392         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3393         of 2009-12-30.
3394         (Version_script_info::Version_script_info): Initialize globs_,
3395         default_version_, default_is_global_, and exact_.  Don't
3396         initialize globals_ or locals_.
3397         (Version_script_info::build_lookup_tables): Build local symbols
3398         first.
3399         (Version_script_info::unquote): New function.
3400         (Version_script_info::add_exact_match): New function.
3401         (Version_script_info::build_expression_list_lookup): Remove lookup
3402         parameter.  Add is_global parameter.  Change all callers.  Handle
3403         wildcard pattern specially.  Unquote pattern.  Call
3404         add_exact_match.
3405         (Version_script_info::get_name_to_match): New function.
3406         (Version_script_info::get_symbol_version): New function.
3407         (Version_script_info::get_symbol_version_helper): Remove.
3408         (Version_script_info::check_unmatched_names): Call unquote.
3409         * script.h (class Version_script_info): Change get_symbol_version
3410         to be non-inline and add is_global parameter; change all callers.
3411         Rewrite symbol_is_local.  Update declarations.  Define struct
3412         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3413         Remove globals_ and locals_ members.  Add exact_, globs_,
3414         default_version_, is_global_.
3415         (Version_script_info::Glob): Remove pattern, add expression and
3416         is_global.  Update constructor.  Change all callers.
3417         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3418         default version.
3419         (Versions::symbol_section_contents): If a symbol is undefined, or
3420         defined in a dynamic object, set the version index to
3421         VER_NDX_LOCAL.
3422         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3423         symbol_is_local.
3424         (Symbol_table::add_from_pluginobj): Likewise.
3425         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3427 2010-01-11  Doug Kwan  <dougkwan@google.com>
3429         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3430         (incremental_dump_LDADD): Add linking option for libintl.
3431         * Makefile.in: Regenerate.
3433 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3435         PR gold/11144
3436         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3437         instead of -Ds.
3438         * testsuite/Makefile.in: Regenerated.
3440 2010-01-10  Doug Kwan  <dougkwan@google.com>
3442         * options.h (DEFINE_var): Use parentheses around argument varname__
3443         in macro body to avoid any unintended subsequent substitutions.
3445 2010-01-10  Ian Lance Taylor  <iant@google.com>
3447         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3448         candidates before doing symbol resolution.
3450         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3451         ODR candidates if only one is weak.
3453 2010-01-08  Ian Lance Taylor  <iant@google.com>
3455         * script.cc (Version_script_info::build_expression_list_lookup):
3456         Don't warn about ambiguous version, just record the ambiguity.
3457         (Version_script_info::get_symbol_version_helper): Give error if
3458         version is ambiguous.
3460 2010-01-08  Doug Kwan  <dougkwan@google.com>
3462         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3463           prev_data_size_ and prev_addralign_.  Remove initializer for
3464           deleted data member has_been_changed_.
3465           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3466           to determine if the table is empty.
3467           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3468           Remove.
3469           (Stub_table::add_reloc_stub): Define method in class definition
3470           instead of just declaring it there.
3471           (Stub_table::add_cortex_a8_stub): New method definition.
3472           (Stub_table::update_data_size_and_addralign): Ditto.
3473           (Stub_table::finalize_stubs): Ditto.
3474           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3475           (Stub_table::do_addralign_): Return address alignment in the
3476           (Stub_table::do_reset_address_and_file_offset): Define method in
3477           class definition instead of declaring it there.  Set current data
3478           size to be the data size of the previous pass.
3479           (Stub_table::set_final_data_size): Use current data size as the
3480           final data size.
3481           (Stub_table::relocate_stub): Change parameter type of stub from
3482           Reloc_stub pointer to Stub pointer.
3483           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3484           (Stub_table::Cortex_a8_stub_list): New typedef.
3485           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3486            Stub_table::prev_addralign_): New data member.
3487           (Arm_relobj::Arm_relobj): Initialize data member
3488           section_has_cortex_a8_workaround_.
3489           (Arm_relobj::section_has_cortex_a8_workaround,
3490            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3491            definitions.
3492           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3493           declarations.
3494           (Target_arm::relocate_stub): Change parameter type of stub from
3495           Reloc_stub pointer to Stub pointer.
3496           (Insn_template::size, Insn_template::alignment): Handle
3497           THUMB16_SPECIAL_TYPE.
3498           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3499            Stub_table::update_data_size_and_addralign,
3500            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3501           definitions.
3502           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3503           (Stub_table::do_write): Ditto.
3504           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3506 2010-01-08  Ian Lance Taylor  <iant@google.com>
3508         PR 11108
3509         * symtab.h (class Symbol): Remove fields is_target_special_ and
3510         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3511         (Symbol::is_defined_in_discarded_section): New function.
3512         (Symbol::set_is_defined_in_discarded_section): New function.
3513         (Symbol::has_plt_offset): Rewrite.
3514         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3515         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3516         Don't initialize is_target_special_ or has_plt_offset_.
3517         Initialize is_defined_in_discarded_section_.
3518         (Symbol_table::add_from_relobj): If appropriate, set
3519         is_defined_in_discarded_section.
3520         * resolve.cc (Symbol::override_base_with_special): Don't test
3521         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3522         * target-reloc.h (relocate_section): Do special handling for
3523         symbols defined in discarded sections for global symbols as well
3524         as local symbols.
3526 2010-01-08  Ian Lance Taylor  <iant@google.com>
3528         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3529         the SHT_SYMTAB case.
3531 2010-01-08  Ian Lance Taylor  <iant@google.com>
3533         * object.cc (Sized_relobj::do_layout): Don't get confused if
3534         layout_eh_frame returns NULL.
3536 2010-01-08  Ian Lance Taylor  <iant@google.com>
3538         PR 11084
3539         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3540         dynamic symbol table, use the normal symbol table.
3541         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3542         symbol table.
3544 2010-01-08  Ian Lance Taylor  <iant@google.com>
3546         PR 11072
3547         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3548         sections.
3550 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3552         * version.cc (print_version): Change to "Copyright 2010".
3554 2010-01-08  Ian Lance Taylor  <iant@google.com>
3556         PR 10287
3557         PR 11063
3558         * i386.cc (class Target_i386): Change return type of plt_section
3559         to be non-const.
3560         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3561         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3562         tls_desc_rel_ field.
3563         (Output_data_plt_i386::rel_tls_desc): New function.
3564         (Target_i386::rel_tls_desc_section): New function.
3565         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3566         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3567         R_386_TLS_DESC reloc in rel_tls_desc_section.
3568         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3569         Define struct Tlsdesc_info.
3570         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3571         (Target_x86_64::do_reloc_symbol_index): New function.
3572         (Target_x86_64::add_tlsdesc_info): New function.
3573         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3574         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3575         tlsdesc_rel_ field.
3576         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3577         all callers.
3578         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3579         (Target_x86_64::rela_tlsdesc_section): New function.
3580         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3581         handling.
3582         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3583         (Target_x86_64::do_reloc_addend): New function.
3584         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3585         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3586         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3587         (Output_reloc::type): New function.
3588         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3589         (Output_reloc::is_target_specific): New function.
3590         (Output_reloc::target_arg): New function.
3591         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3592         absolute relocs and target specific relocs.
3593         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3594         add_target_specific.
3595         (class Output_data_reloc) [SHT_RELA]: Likewise.
3596         * output.cc (Output_reloc::Output_reloc): Add four new versions
3597         for absolute relocs and target specific relocs.
3598         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3599         (Output_reloc::get_symbol_index): Likewise.
3600         (Output_reloc::local_section_offset): Check that local_sym_index_
3601         is not TARGET_CODE or 0.
3602         (Output_reloc::symbol_value): Likewise.
3603         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3604         reloc.
3605         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3606         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3607         functions.
3608         * layout.cc (add_target_dynamic_tags): Use output section for
3609         DT_PLTRELSZ and DT_JMPREL.
3611 2010-01-07  Ian Lance Taylor  <iant@google.com>
3613         PR 11061
3614         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3615         function.
3616         (class Output_data_reloc_generic): Define.
3617         (class Output_data_reloc_base): Change base class to
3618         Output_data_reloc_generic.  Change add() method to call
3619         bump_relative_reloc_count for a relative reloc.  Remove
3620         sort_relocs_ field.
3621         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3622         to sort_relocs().
3623         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3624         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3625         appropriate.
3626         * layout.h (class Layout): Update declaration.
3628 2010-01-07  Ian Lance Taylor  <iant@google.com>
3630         * output.h (class Output_data): Add const version of
3631         output_section and do_output_section.
3632         (class Output_section_data): Add const version of
3633         do_output_section.
3634         (class Output_section): Likewise.
3635         * layout.cc (Layout::add_target_dynamic_tags): New function.
3636         * layout.h (class Layout): Update declarations.
3637         * arm.cc (Target_arm::do_finalize_sections): Use
3638         add_target_dynamic_tags.
3639         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3640         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3641         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3642         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3644 2010-01-07  Ian Lance Taylor  <iant@google.com>
3646         PR 11042
3647         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3648         object as needed.
3650 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3651             Ian Lance Taylor  <iant@google.com>
3653         PR 11019
3654         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3655         Xindex::read_symtab_xindex.
3657 2010-01-07  Doug Kwan  <dougkwan@google.com>
3659         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3660         (Insn_template::thumb16_bcond_insn): New method declaration.
3661         (Insn_template): Fix spelling.
3662         (Stub::thumb16_special): New method declaration.
3663         (Stub::do_write): Define virtual method which was previously pure
3664         virtual.
3665         (Stub::do_thumb16_special): New method declaration.
3666         (Stub::do_fixed_endian_write): New template member.
3667         (Reloc_stub::do_write): Remove.
3668         (Reloc_stub::do_fixed_endian_write): Remove.
3669         (Cortex_a8_stub): New class definition.
3670         (Stub_factory::make_cortex_a8_stub): New method definition.
3671         (Stub_factory::Stub_factory): Add missing static storage class
3672         qualifier for elf32_arm_stub_a8_veneer_blx.
3674 2010-01-07  Ian Lance Taylor  <iant@google.com>
3676         PR 10980
3677         * options.h (class General_options): Add --warn-unresolved-symbols
3678         and --error-unresolved-symbols.
3679         * errors.cc (Errors::undefined_symbol): Implement
3680         --warn-unresolved-symbols.
3682         * options.h (class General_options): Add -z text and -z textoff.
3683         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3685 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3687         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3688         (Garbage_collection::cident_sections): New function.
3689         (Garbage_collection::add_cident_section): New function.
3690         (Garbage_collection::cident_sections_): New member.
3691         (gc_process_relocs): Add references to sections whose names are C
3692         identifiers.
3693         * gold.h (cident_section_start_prefix): New constant.
3694         (cident_section_stop_prefix): New constant.
3695         (is_cident): New function.
3696         * layout.cc (Layout::define_section_symbols): Replace string constants
3697         with the newly defined constants.
3698         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3699         C identifiers.
3700         * testsuite/Makefile.am: Add gc_orphan_section_test.
3701         * testsuite/Makefile.in: Regenerate.
3702         * testsuite/gc_orphan_section_test.cc: New file.
3703         * testsuite/gc_orphan_section_test.sh: New file.
3705 2010-01-06  Ian Lance Taylor  <iant@google.com>
3707         PR 10980
3708         * options.h (class General_options): Add --warn-shared-textrel.
3709         * layout.cc (Layout::finish_dynamic_section): Implement
3710         --warn-shared-textrel.
3712         PR 10980
3713         * options.h (class General_options): Add --warn-multiple-gp.
3715 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3717         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3718         $(THREADSLIB) and $(LIBDL).
3719         * Makefile.in: Rebuild.
3721 2010-01-06  Ian Lance Taylor  <iant@google.com>
3723         PR 10980
3724         * options.cc (General_options::parse_section_start): New function.
3725         (General_options::section_start): New function.
3726         (General_options::General_options): Initialize all members.
3727         * options.h: Include <map>
3728         (class General_options): Add --section-start.  Add section_starts_
3729         member.
3730         * layout.cc (Layout::attach_allocated_section_to_segment): If
3731         --section-start was used, set the address of the segment.  Remove
3732         local sort_sections.
3733         (Layout::relaxation_loop_body): If the address of the load segment
3734         has been set by --section-start, don't use it.
3735         * output.h (Output_segment::update_flags_for_output_section): New
3736         function.
3737         * output.cc (Output_segment::add_output_section): Call
3738         update_flags_for_output_section.
3740 2010-01-05  Ian Lance Taylor  <iant@google.com>
3742         PR 10980
3743         * options.h (class General_options): Add --undefined-version.
3744         * script.cc (struct Version_expression): Add was_matched_by_symbol
3745         field.
3746         (Version_script_info::matched_symbol): New function.
3747         (Version_script_info::get_symbol_version_helper): Call
3748         matched_symbol.
3749         (Version_script_info::check_unmatched_names): New function.
3750         * script.h (class Version_script_info): Update declarations.
3751         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3753         * options.h (class General_options): Use DEFINE_bool_alias for
3754         allow_multiple_definition.
3755         * resolve.cc (Symbol_table::should_override): Don't test
3756         allow_multiple_definition.
3758         PR 10980
3759         * options.h (class General_options): Add --cref.
3760         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3761         until after printing cref table.
3762         * cref.cc: Include "symtab.h".
3763         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3764         (Cref_table_compare::operator()): New function.
3765         (Cref_inputs::gather_cref): New function.
3766         (filecol): New static const.
3767         (Cref_inputs::print_cref): New function.
3768         (Cref::print_cref): New function.
3769         * cref.h: Include <cstdio>.
3770         (class Cref): Update declarations.
3771         * mapfile.h (Mapfile::file): New function.
3772         * object.h (class Object): Define Symbols.  Declare virtual
3773         do_get_global_symbols.
3774         (Object::get_global_symbols): New function.
3775         * object.cc (Input_objects::add_object): Pass object to cref_ if
3776         --cref.
3777         (Input_objects::archive_start): Likewise.
3778         (Input_objects::archive_stop): Likewise.
3779         (Input_objects::print_cref): New function.
3780         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3781         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3782         --cref.
3783         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3784         function.
3785         * plugin.h (class Sized_pluginobj): Update declarations.
3787 2010-01-05  Ian Lance Taylor  <iant@google.com>
3789         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3790         to is_default_version.  Rename insdef to insdefault.
3791         (Symbol_table::add_from_relobj): Rename def to is_default_version
3792         and local to is_forced_local.
3793         (Symbol_table::add_from_pluginobj): Likewise.
3794         (Symbol_table::add_from_dynobj): Likewise.
3795         (Symbol_table::define_special_symbol): Rename insdef to
3796         insdefault.
3798 2010-01-04  Ian Lance Taylor  <iant@google.com>
3800         PR 10980
3801         * options.h (class General_options): Add
3802         --allow-multiple-definition and -z muldefs.
3803         * resolve.cc (Symbol_table::should_override): Don't warn about a
3804         multiple symbol definition if --allow-multiple-definition or -z
3805         muldefs.
3807         PR 10980
3808         * options.h (class General_options): Add --add-needed and
3809         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3810         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3811         error if --copy-dt-needed-entries aka --add-needed is used and
3812         would cause a change in behaviour.
3814         PR 10980
3815         * options.h (class General_options): Add -G as a short version of
3816         --shared.  Add no-op options -assert, -g, and -i.
3818 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3820         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3821         check for .text or .gnu.linkonce.t sections.
3822         * icf.cc (Icf::find_identical_sections): Ditto.
3823         Change the detection for mangled function name within the section
3824         name.
3825         * icf.h (is_section_foldable_candidate): New function.
3827 2009-12-30  Ian Lance Taylor  <iant@google.com>
3829         PR 10980
3830         * options.h (class General_options): Permit two dashes with
3831         --retain-symbols-file.
3833 2009-12-30  Ian Lance Taylor  <iant@google.com>
3835         PR 10979
3836         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3837         don't put the file header and segment headers in the text
3838         segment.
3840         PR 10979
3841         * common.cc (Sort_commons::operator()): Stabilize sort when both
3842         entries are NULL.
3843         (Symbol_table::do_allocate_commons_list): When allocating common
3844         symbols, skip a symbol which is no longer common.
3845         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3846         an object before checking its type.
3847         * testsuite/common_test_2.c: New file.
3848         * testsuite/common_test_3.c: New file.
3849         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3850         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3851         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3852         (common_test_2_pic.o, common_test_2.so): New targets.
3853         (common_test_3_pic.o, common_test_3.so): New targets.
3854         * testsuite/Makefile.in: Rebuild.
3856         PR 10979
3857         * script.cc (read_input_script): If we see a new SECTIONS clause,
3858         and we have added an input section, give an error.
3859         * layout.h (class Layout): Add have_added_input_section function.
3860         Add have_added_input_section_ field.
3861         * layout.cc (Layout::Layout): Initialize
3862         have_added_input_section_.
3863         (Layout::layout): Set have_added_input_section_.
3864         (Layout::layout_eh_frame): Likewise.
3866 2009-12-30  Ian Lance Taylor  <iant@google.com>
3868         PR 10931
3869         * options.h (class General_options): Add --sort-common option.
3870         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3871         * common.cc (Sort_common): Add sort_order parameter to
3872         constructor.  Add sort_order_ field.
3873         (Sort_commons::operator): Check sort_order_.
3874         (Symbol_table::allocate_commons): Determine the sort order.
3875         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3876         Change all callers.
3877         (Symbol_table::do_allocate_commons_list): Likewise.
3879 2009-12-30  Ian Lance Taylor  <iant@google.com>
3881         PR 10916
3882         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3883         symbols from this object, don't change the visibility of an
3884         undefined symbol.
3885         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3887 2009-12-30  Ian Lance Taylor  <iant@google.com>
3889         PR 10861
3890         * script.h (class Version_script_info): Define Language enum.
3891         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3892         new fields globals_, locals_, and is_finalized_.
3893         * script.cc: Various formatting fixes.
3894         (class Parser_closure): Change language_stack_ from a vector of
3895         std::string to one of Version_script_info::Language.  Adjust all
3896         uses accordingly.
3897         (class Lazy_demangler): Remove.
3898         (struct Version_expression): Change language from std::string to
3899         Version_script_info::Language.
3900         (Version_script_info::Version_script_info): New function.
3901         (Version_script_info::~Version_script_info): Don't call clear.
3902         (Version_script_info::finalize): New function.
3903         (Version_script_info::build_lookup_tables): New function.
3904         (Version_script_info::build_expression_list_lookup): New
3905         function.
3906         (Version_script_info::get_symbol_version_helper): Rewrite to use
3907         lookup tables.
3908         (Version_script_info::print_expression_list): Adjust to use
3909         Version_script_info::Language.
3910         (script_push_lex_into_version_mode): Check that the version script
3911         has not been finalized.
3912         (version_script_push_lang): Change language string to
3913         Version_script_info::Language.
3914         * options.cc (Command_line::version_script): New function.
3915         * options.h (class General_options): Add finalize_dynamic_list
3916         function.  Change version_script from declaration to definition.
3917         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3918         * testsuite/version_script.map: Remove duplicate def of foo.
3919         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3920         version_script.map.
3921         * testsuite/Makefile.in: Rebuild.
3923 2009-12-30  Ian Lance Taylor  <iant@google.com>
3925         PR 10843
3926         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3927         if the input symbol index is 0, make the output symbol index 0.
3929 2009-12-30  Ian Lance Taylor  <iant@google.com>
3931         PR 10670
3932         * options.h (class General_options): Add -x/--discard-all.
3933         * object.cc (Sized_relobj::do_count_local_symbols): Handle
3934         --discard-all.  If the local symbol needs a dynamic entry, check
3935         that before handling --discard-locals.
3937 2009-12-30  Ian Lance Taylor  <iant@google.com>
3939         PR 10450
3940         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
3941         flags to PF_R.
3942         (Output_segment::add_output_section): Don't change the flags if
3943         the type is PT_TLS.
3945         PR 10450
3946         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
3947         GNU hash table if they need a dynamic value.  Otherwise, don't add
3948         them if they are defined in a dynamic object or are forced local.
3950 2009-12-29  Ian Lance Taylor  <iant@google.com>
3952         PR 10450
3953         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
3954         .gnu.hash table for a 32-bit target.
3956         PR 10450
3957         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
3958         regular and a dynamic object only needs a dynamic symbol table
3959         entry if it is externally visible.
3961         PR 10450
3962         * i386.cc (class Target_i386): Initialize global_offset_table_ in
3963         constructor.  Add global_offset_table_ field.
3964         (Target_i386::got_section): Set global_offset_table_.
3965         (Target_i386::do_finalize_sections): Set global_offset_table_
3966         size.
3967         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
3968         in constructor.  Add global_offset_table_ field.
3969         (Target_x86_64::got_section): Set global_offset_table_.
3970         (Target_x86_64::do_finalize_sections): Set global_offset_table_
3971         size.
3973         * layout.cc (Layout::Layout): Initialize increase_relro_.
3974         (Layout::get_output_section): Add is_relro, is_last_relro, and
3975         is_first_non_relro parameters.  Change all callers.
3976         (Layout::choose_output_section): Likewise.
3977         (Layout::add_output_section_data): Likewise.
3978         (Layout::make_output_section): Likewise.
3979         (Layout::set_segment_offsets): Clear increase_relro when using a
3980         linker script.
3981         * layout.h (class Layout): Add increase_relro method.  Add
3982         increase_relro_ field.  Update declarations.
3983         * output.cc (Output_section::Output_section): Initialize
3984         is_last_relro_ and is_first_non_relro_.
3985         (Output_segment::add_output_section): Group relro sections is
3986         do_sort is true.  Handle is_last_relro and is_first_non_relro.
3987         (Output_segment::maximum_alignment): Remove relro handling.
3988         (Output_segment::set_section_addresses): Add increase_relro
3989         parameter.  Change all callers.  Add initial alignment to align
3990         relro sections on separate page.  Remove old relro handling.
3991         (Output_segment::set_section_list_addresses): Remove in_relro
3992         parameter.  Change all callers.
3993         (Output_segment::set_offset): Add increase parameter.  Change all
3994         callers.  Remove old relro handling.
3995         * output.h (class Output_section): Add new methods: is_last_relro,
3996         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
3997         Add is_last_relro_ and is_first_non_relro_ fields.
3998         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
3999         Create separate .got.plt section.  Call increase_relro.
4000         * x86_64.cc (Target_x86_64::got_section): Likewise.
4001         * testsuite/relro_script_test.t: Add .got.plt.
4003         PR 10450
4004         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
4005         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
4006         (Layout::finalize): Call set_dynamic_symbol_size.
4007         (Layout::set_dynamic_symbol_size): New function.
4008         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
4009         set_dynamic_symbol_size.
4011         PR 10450
4012         * output.h (class Output_section): Add is_entsize_zero_ field.
4013         * output.cc (Output_section::Output_section): Initialize
4014         is_entsize_zero_.
4015         (Output_section::set_entsize): If two different entsizes are
4016         requested, force it to zero.
4017         (Output_section::add_input_section): Set flags for .debug_str
4018         before updating section flags.  Set entsize.
4019         (Output_section::update_flags_for_input_section): Set SHF_MERGE
4020         and SHF_STRING if all input sections have those flags.
4022 2009-12-29   Rafael Espindola  <espindola@google.com>
4024         * main.cc (main): Fix the sys time reporting.
4025         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
4026         reporting.
4028 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
4030         * options.cc (General_options::parse_version): Allow -v to exit
4031         without an error if there is nothing to link.
4033 2009-12-29  Ian Lance Taylor  <iant@google.com>
4035         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
4036         using a version of gcc before 4.1.
4037         * configure: Rebuild.
4039 2009-12-28  Chris Demetriou  <cgd@google.com>
4041         * attributes.cc (Output_attributes_section_data::do_write): Use
4042         std::vector::front rather than std::vector::data.
4044 2009-12-28  Ian Lance Taylor  <iant@google.com>
4046         * symtab.h (class Symbol_table): Add enum Defined.
4047         * resolve.cc (Symbol_table::should_override): Add defined
4048         parameter.  Change all callers.  Test whether object is NULL
4049         before calling a method on it.
4050         (Symbol_table::report_resolve_problem): Add defined parameter.
4051         Change all callers.
4052         (Symbol_table::should_override_with_special): Likewise.
4053         * symtab.cc (Symbol_table::define_in_output_data): Add defined
4054         parameter.  Change all callers.
4055         (Symbol_table::do_define_in_output_data): Likewise.
4056         (Symbol_table::define_in_output_segment): Likewise.
4057         (Symbol_table::do_define_in_output_segment): Likewise.
4058         (Symbol_table::define_as_constant): Likewise.
4059         (Symbol_table::do_define_as_constant): Likewise.
4060         * script.h (class Symbol_assignment): Add is_defsym parameter to
4061         constructor; change all callers.
4062         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
4063         parameter.  Change all callers.  Add is_defsym_ field.
4064         (class Parser_closure): Add parsing_defsym parameter to
4065         constructor; change all callers.  Add parsing_defsym accessor
4066         function.  Add parsing_defsym_ field.
4068 2009-12-28  Ian Lance Taylor  <iant@google.com>
4070         * gold.cc (queue_middle_tasks): Fix formatting.
4071         * object.cc (Relobj::is_section_name_included): Likewise.
4073 2009-12-23  Ian Lance Taylor  <iant@google.com>
4075         * i386.cc (Target_i386::do_calls_non_split): Recognize
4076         -fsplit-stack prologue for a function with a static chain.
4077         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
4078         -fsplit-stack prologue when using %r11.
4080 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
4082         * options.cc (General_options::parse_version): Make -v continue and do
4083         the link like GNU ld does.
4085 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
4087         * Makefile.am (CCFILES): Add timer.cc.
4088         (HFILES): Add timer.h.
4089         * configure.ac: Check for sysconf and times.
4090         * main.cc: include timer.h.
4091         (main): Use Timer instead of get_run_time.
4092         * timer.cc: New.
4093         * timer.h: New.
4094         * workqueue.cc: include timer.h.
4095         (Workqueue::find_and_run_task):
4096         Report user, sys and wall time.
4097         * Makefile.in: Regenerate.
4098         * config.in: Regenerate.
4099         * configure: Regenerate.
4101 2009-12-16  Doug Kwan  <dougkwan@google.com>
4103         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
4104         sections.
4105         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
4106         relaxed input sections.
4107         * output.cc (Output_section::find_relaxed_input_section): Change
4108         return type to Output_relaxed_input_section pointer.  Adjust code
4109         for new type of relaxed_input_section_map_.
4110         * output.h (Output_section::find_relaxed_input_section): Change
4111         return type to Output_relaxed_input_section pointer.
4112         (Output_section::Output_relaxed_input_section_by_input_section_map):
4113         New type.
4114         (Output_section::relaxed_input_section_map_): Change type to
4115         Output_section::Output_relaxed_input_section_by_input_section_map.
4116         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4117         input section.
4119 2009-12-15  Ian Lance Taylor  <iant@google.com>
4121         * layout.cc (Layout::create_shstrtab): Only write out after input
4122         sections if we are compressing debug sections.
4124 2009-12-15  Ian Lance Taylor  <iant@google.com>
4126         * archive.cc (Archive::add_symbols): Only look up a symbol without
4127         a version if there is, in fact, a version.
4129 2009-12-14  Ian Lance Taylor  <iant@google.com>
4131         Revert -Wshadow changes, all changes from:
4132         2009-12-11  Doug Kwan  <dougkwan@google.com>
4133         2009-12-11  Nick Clifton  <nickc@redhat.com>
4134         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4136 2009-12-11  Doug Kwan  <dougkwan@google.com>
4138         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4139         due to -Wshadow.
4140         * attributes.cc (Object_attribute::size): Ditto.
4141         (Attributes_section_data::size): Ditto.
4142         (Attributes_section_data::Attributes_section_data): Ditto.
4143         (Output_attributes_section_data::do_write): Ditto.
4144         * attributes.h (Object_attribute::set_type): Ditto.
4145         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4147 2009-12-11  Nick Clifton  <nickc@redhat.com>
4149         * archive.cc: Fix shadowed variable warnings.
4150         * arm.cc: Likewise.
4151         * compressed_output.cc: Likewise.
4152         * compressed_output.h: Likewise.
4153         * configure: Likewise.
4154         * dwarf_reader.cc: Likewise.
4155         * dynobj.cc: Likewise.
4156         * dynobj.h: Likewise.
4157         * ehframe.cc: Likewise.
4158         * ehframe.h: Likewise.
4159         * errors.cc: Likewise.
4160         * expression.cc: Likewise.
4161         * fileread.cc: Likewise.
4162         * fileread.h: Likewise.
4163         * freebsd.h: Likewise.
4164         * i386.cc: Likewise.
4165         * icf.cc: Likewise.
4166         * incremental.h: Likewise.
4167         * layout.cc: Likewise.
4168         * layout.h: Likewise.
4169         * mapfile.cc: Likewise.
4170         * merge.cc: Likewise.
4171         * merge.h: Likewise.
4172         * object.cc: Likewise.
4173         * object.h: Likewise.
4174         * options.h: Likewise.
4175         * output.cc: Likewise.
4176         * output.h: Likewise.
4177         * parameters.cc: Likewise.
4178         * plugin.cc: Likewise.
4179         * powerpc.cc: Likewise.
4180         * reduced_debug_output.cc: Likewise.
4181         * reduced_debug_output.h: Likewise.
4182         * reloc.cc: Likewise.
4183         * reloc.h: Likewise.
4184         * resolve.cc: Likewise.
4185         * script-sections.cc: Likewise.
4186         * script.cc: Likewise.
4187         * script.h: Likewise.
4188         * sparc.cc: Likewise.
4189         * symtab.cc: Likewise.
4190         * symtab.h: Likewise.
4191         * target-select.cc: Likewise.
4192         * target-select.h: Likewise.
4193         * token.h: Likewise.
4194         * workqueue.cc: Likewise.
4195         * workqueue.h: Likewise.
4196         * x86_64.cc: Likewise.
4198 2009-12-10  Doug Kwan  <dougkwan@google.com>
4200         * arm.cc (attributes.h): New include.
4201         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4202         (Arm_relobj::~Arm_relobj): Delete object pointed by
4203         attributes_section_data_.
4204         (Arm_relobj::attributes_section_data): New method definition.
4205         (Arm_relobj::attributes_section_data_): New data member declaration.
4206         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
4207         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
4208         attributes_section_data_.
4209         (Arm_dynobj::attributes_section_data): New method definition.
4210         (Arm_dynobj::attributes_section_data_): New data member declaration.
4211         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
4212         initialization value of may_use_blx_ to false.
4213         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
4214         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
4215         object attributes to compute results instead of hard-coding.
4216         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
4217         Target_arm::get_secondary_compatible_arch,
4218         Target_arm::set_secondary_compatible_arch
4219         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4220         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
4221         New method declarations.
4222         (Target_arm::get_aeabi_object_attribute): New method definition.
4223         (Target_arm::attributes_section_data_): New data member declaration.
4224         (read_arm_attributes_section): New template definition.
4225         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
4226         (Arm_dynobj::do_read_symbols): Ditto.
4227         (Target_arm::do_finalize_sections): Merge attributes sections from
4228         input.  Check for BLX use after attributes section merging.
4229         Fix __exidx_start and __exidx_end visibility.  Create an
4230         .ARM.attributes section if necessary.
4231         (Target_arm::get_secondary_compatible_arch,
4232         Target_arm::set_secondary_compatible_arch,
4233         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4234         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
4235         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
4236         New method definitions.
4238 2009-12-09  Ian Lance Taylor  <iant@google.com>
4240         * plugin.cc (Plugin::load): Don't cast from void* to a function
4241         pointer.
4243 2009-12-09  Ian Lance Taylor  <iant@google.com>
4245         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
4246         information fields.
4248 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
4250         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
4251         Replace two_file_shared_1.so with two_file_shared_2.so.
4252         * testsuite/Makefile.in: Regenerated.
4254 2009-12-08  Doug Kwan  <dougkwan@google.com>
4256         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
4257         (HFILES): Add attributes.h and int_encoding.h.
4258         * Makefile.in: Regenerate.
4259         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
4260         function definitions to int_encoding.cc
4261         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
4262         prototypes to int_encoding.h
4263         * reduced_debug_output.cc (int_encoding.h): New include.
4264         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
4265         function definitions to int_encoding.cc
4266         (insert_into_vector, read_from_pointer): Move template definitions to
4267         int_encoding.h
4268         * attributes.cc: New file.
4269         * attributes.h: New file.
4270         * int_encoding.cc: New file.
4271         * int_encoding.h: New file.
4273 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
4275         PR gold/11055
4276         * incremental-dump.cc (dump_incremental_inputs): New.
4277         (main): Use dump_incremental_inputs.
4279 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
4281         PR gold/10893
4282         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
4283         checking elfcpp::STT_FUNC.
4284         (Target_i386::Relocate::relocate): Likewise.
4285         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4287         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
4288         symbols from shared libraries into normal FUNC symbols.
4290         * symtab.h (Symbol): Add is_func and use it.
4292 2009-12-05  Doug Kwan  <dougkwan@google.com>
4294         * arm.cc (Target_arm::arm_info): Initialize new fields
4295         attributes_section and attributes_vendor.
4296         * i386.cc (Target_i386::i386_info): Same.
4297         * object.cc (Sized_relobj::do_layout): Skip attribute section.
4298         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
4299         fields attributes_section and attributes_vendor.
4300         * sparc.cc (Target_sparc::sparc_info): Same.
4301         * target.h (Target::attributes_section, Target::attributes_vendor,
4302         Target::is_attributes_section, Target::attribute_arg_type,
4303         Target::attributes_order): New method definitions.
4304         (Target::Target_info::attributes_section,
4305         Target::Target_info::attributes_vendor): New fields.
4306         (Target::do_attribute_arg_type, Target::do_attributes_order): New
4307         virtual method definitions.
4308         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
4309         attributes_section and attributes_vendor.
4310         * testsuite/testfile.cc (Target_test::test_target_info): Same.
4312 2009-12-05  Doug Kwan  <dougkwan@google.com>
4314         * arm.cc: Update comments about interworking and stub generation.
4315         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
4316         considered as non-PIC.
4317         (Arm_relocate_functions::base_abs): Fix formatting.
4318         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
4319         of function to use GOT entry address instead of offset.
4320         (Target_arm::Scan::global): Issue an error if a symbol would need a
4321         PLT does not get one because it is untyped.  Remove code to create
4322         dynamic symbols for relative branches.
4323         (Target_arm::Relocate::relocate: Use 0 instead of false since function
4324         takes unsigned integer instead of boolean.
4326 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
4328         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
4329         (two_file_test_LDADD): Likewise.
4330         (common_test_1_LDADD): Likewise.
4331         (exception_test_LDADD) Likewise.
4332         (weak_test_LDADD): Likewise.
4333         (many_sections_test_LDADD): Likewise.
4334         (initpri1_LDADD): Likewise.
4335         (script_test_1_LDADD): Likewise.
4336         (script_test_2_LDADD): Likewise.
4337         (justsyms_LDADD): Likewise.
4338         (binary_test_LDADD): Likewise.
4339         (large_LDADD): Likewise.
4340         * testsuite/Makefile.in: Regenerated.
4342 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
4344         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
4345         (Symbol_table::override_with_special): Likewise.
4346         (Symbol_table::add_from_object): Likewise.
4348 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4350         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4351         Don't set the data_offset twice.
4353 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4355         * testsuite/Makefile.in: Regenerate.
4357 2009-12-03  Doug Kwan  <dougkwan@google.com>
4359         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
4360         (Target_arm::do_finalize_sections): Add parameter for symbol table
4361         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
4362         * i386.cc (Target_i386::do_finalize_sections): Add an additional
4363         parameter for symbol table pointer.
4364         * layout.cc (Layout::finalize): Call Target::finalize_sections with
4365         an additional parameter for a pointer to symbol table.
4366         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
4367         parameter for a symbol table pointer.
4368         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
4369         * target.h (Target::finalize_sections, Target::do_finalize_sections):
4370         Ditto.
4371         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4372         parameter for a symbol table pointer.
4374 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4376         * incremental.cc (Incremental_inputs_header)
4377         (Incremental_inputs_header_write, Incremental_inputs_entry)
4378         (Incremental_inputs_entry_write): Move ...
4379         * incremental.h (Incremental_inputs_header)
4380         (Incremental_inputs_header_write, Incremental_inputs_entry)
4381         (Incremental_inputs_entry_write): here.
4383 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4385         * incremental.cc (make_sized_incremental_binary): Set the target.
4386         Error if it is incompatible.
4387         * output.h (Output_file): Add filename method.
4389 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4391         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4392         from the get_* methods.
4394 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4396         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4397         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4398         Write 0 for the data_offset of scripts.
4400 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4402         * testsuite/Makefile.am: Add the incremental_test.sh test.
4403         * testsuite/incremental_test.sh: New.
4404         * testsuite/incremental_test_1.c: New.
4405         * testsuite/incremental_test_2.c: New.
4407 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4409        * incremental-dump.cc (main): Fix typos.
4411 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4413         PR gold/11025
4414         * incremental-dump.cc (main): Use llu to print 64 bit values.
4416 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
4417             H.J. Lu  <hongjiu.lu@intel.com>
4419         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4420         $(LIBDL).
4421         (incremental_dump_LDADD): Likewise.
4422         * Makefile.in: Regenerated.
4424 2009-11-25  Doug Kwan  <dougkwan@google.com>
4426         Revert:
4428         2009-11-25  Doug Kwan  <dougkwan@google.com>
4430                 * arm.cc (Target_arm::Target_arm): Move method definition
4431                 outside of class definition.  Add code to handle
4432                 --target1-rel, --target1-abs and --target2= options.
4433                 (Target_arm::get_reloc_reloc_type): Change method to be
4434                 non-static and const.
4435                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4436                 New data member declaration.
4437                 (Target_arm::Scan::local, Target_arm::Scan::global,
4438                 Target_arm::Relocate::relocate,
4439                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4440                 Adjust call to Target_arm::get_real_reloc_type.
4441                 (Target_arm::get_real_reloc_type): Use command line options
4442                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4443                 * options.h (--target1-rel, --target1-abs, --target2): New
4444                 ARM-only options.
4446 2009-11-25  Doug Kwan  <dougkwan@google.com>
4448         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4449         class definition.  Add code to handle --target1-rel, --target1-abs
4450         and --target2= options.
4451         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4452         and const.
4453         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4454         member declaration.
4455         (Target_arm::Scan::local, Target_arm::Scan::global,
4456         Target_arm::Relocate::relocate,
4457         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4458         call to Target_arm::get_real_reloc_type.
4459         (Target_arm::get_real_reloc_type): Use command line options to
4460         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4461         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4462         options.
4464 2009-11-25  Doug Kwan  <dougkwan@google.com>
4466         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4467         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4468         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4469         formatting.
4470         (Arm_relocate_functions::thm_call): Replace body with a call to
4471         Arm_relocate_functions::thumb_branch_common.
4472         (Arm_relocate_functions::thm_jump24,
4473         Arm_relocate_functions::thm_xpc22): New method definitions.
4474         (Arm_relocate_functions::thumb_branch_common): New method definition.
4475         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4476         operator.
4477         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4478         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4480 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4482         * Makefile.am: Build incremental-dump
4483         * Makefile.in: Regenerate.
4484         * incremental-dump.cc: New.
4485         * incremental.cc (Incremental_inputs_header_data,
4486         Incremental_inputs_entry_data): Move to incremental.h
4487         * incremental.h: (Incremental_inputs_header_data,
4488         Incremental_inputs_entry_data): Move from incremental.cc
4490 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4492         * incremental.cc (Incremental_inputs_header,
4493         Incremental_inputs_header_write, Incremental_inputs_entry,
4494         Incremental_inputs_entry_write): Add a typedef with the data type.
4496 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4498         * incremental.cc (Incremental_inputs_header,
4499         Incremental_inputs_header_write, Incremental_inputs_entry,
4500         Incremental_inputs_entry_write): Update comment about which
4501         type has the filed descriptions.
4503 2009-11-15  Doug Kwan  <dougkwan@google.com>
4505         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4506         (Arm_relocate_functions::arm_branch_common): Change method defintion
4507         in class definition to a method declaration and update list of formal
4508         parameters.
4509         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4510         Arm_relocation_functions::jump24): Adjust call to
4511         Arm_relocate_functions::arm_branch_common.  Update list of formal
4512         parameters.
4513         (Arm_relocate_functions::xpc25): New method definition.
4514         (Arm_relocate_functions::arm_branch_common): Move method defintion
4515         out from class definition.  Use stubs for mode-switching and extending
4516         branch ranges.
4517         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4518         specially.  Change code to enable use of stubs in ARM branches.
4520 2009-11-10  Doug Kwan  <dougkwan@google.com>
4522         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4523         in method declaration.
4524         (Target_arm::relocate_stub): New method declaration.
4525         (Target_arm::default_target): Change to return a pointer instead of
4526         a const reference.
4527         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4528         Target_arm::default_target.
4529         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4530         method definition.
4531         (Target_arm::relocate_section): Adjust view.
4532         (Target_arm::relocate_stub): New method definition.
4534 2009-11-10  Doug Kwan  <dougkwan@google.com>
4536         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4537         a format warning.
4538         * incremental.cc (open_incremental_binary): Initialized local
4539         variables to avoid warnings.
4540         * object.cc (make_elf_object): Ditto.
4541         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4542         a format warning.
4544 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4546         PR gold/10930
4547         * testsuite/plugin_test.c: Include "config.h".
4549 2009-11-09  Doug Kwan  <dougkwan@google.com>
4551         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4552         (arm_symbol_value): Remove.
4553         (Arm_relocate_functions::arm_branch_common,
4554         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4555         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4556         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4557         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4558         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4559         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4560         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4561         Arm_relocate_functions::thm_mobw_abs_nc,
4562         Arm_relocate_functions::thm_mov_abs,
4563         Arm_relocate_functions::movw_prel_nc,
4564         Arm_relocate_functions::thm_movt_abs,
4565         Arm_relocate_functions::movt_prel,
4566         Arm_relocate_functions::thm_movw_prel_nc,
4567         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4568         (Target_arm::Relocate::relocate): Only decompose address into two
4569         parts if relocation type uses the thumb-bit and pass the actual
4570         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4571         calls to methods in Arm_relocate_functions for this change.
4573 2009-11-08  Ian Lance Taylor  <iant@google.com>
4575         PR 10925
4576         * reloc.cc: Instantiate
4577         Sized_relobj::initialize_input_to_output_maps and
4578         Sized_relobj:free_input_to_output_maps.
4580 2009-11-06  Ian Lance Taylor  <iant@google.com>
4582         PR 10876
4583         * defstd.cc (in_segment): Set only_if_ref true for "end".
4585 2009-11-06  Doug Kwan  <dougkwan@google.com>
4587         * arm.cc (class Reloc_stub): Correct a comment.
4588         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4589         (Target_arm::scan_section_for_stubs): New method declaration.
4590         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4591         Change methods from private to protected.
4592         (Target_arm::do_may_relax): New method definition.
4593         (Target_arm::do_relax, Target_arm::group_sections,
4594         Target_arm::scan_reloc_for_stub,
4595         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4596         (Target_arm::arm_input_section_map_): New data member declaration.
4597         (Target_arm::scan_reloc_for_stub,
4598         Target_arm::scan_reloc_section_for_stubs,
4599         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4600         Target_arm::do_relax): New method definitions.
4602 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4604         * configure.ac: Check for (struct stat)::st_mtim
4605         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4606         * config.in: Regenerate.
4607         * configure: Regenerate.
4609 2009-11-05  Ian Lance Taylor  <iant@google.com>
4611         PR 10910
4612         * output.cc (Output_segment::add_output_section): Add missing
4613         return statement.
4615 2009-11-04  Ian Lance Taylor  <iant@google.com>
4617         PR 10880
4618         * object.h (class Object): Add is_needed and set_is_needed
4619         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4620         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4621         defined in a dynamic object and referenced by a regular object,
4622         set is_needed for the dynamic object.
4623         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4624         if the file is marked with as_needed and it is not needed.
4626 2009-11-04  Ian Lance Taylor  <iant@google.com>
4628         PR 10887
4629         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4630         tags if data is discarded by linker script.
4631         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4632         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4633         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4634         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4636 2009-11-04  Ian Lance Taylor  <iant@google.com>
4638         * layout.cc (Layout::get_output_section): Add is_interp and
4639         is_dynamic_linker_section parameters.  Change all callers.
4640         (Layout::choose_output_section): Likewise.
4641         (Layout::make_output_section): Likewise.
4642         (Layout::add_output_section_data): Add is_dynamic_linker_section
4643         parameter.  Change all callers.
4644         * layout.h (class Layout): Update declarations.
4645         * output.h (class Output_section): Add is_interp, set_is_interp,
4646         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4647         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4648         generate_code_fills_at_write_ to a bitfield.
4649         * output.cc (Output_section::Output_sections): Initialize new
4650         fields.
4651         (Output_segment::add_output_section): Add do_sort parameter.
4652         Change all callers.
4654 2009-11-03  Ian Lance Taylor  <iant@google.com>
4656         PR 10860
4657         * options.h (class General_options): Add --warn-common.
4658         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4659         merging two common symbols.
4660         (Symbol_table::should_override): Handle --warn-common when merging
4661         a common symbol with a defined symbol.  Use report_resolve_problem
4662         for multiple definitions.
4663         (Symbol_table::report_resolve_problem): New function.
4664         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4666 2009-11-03  Doug Kwan  <dougkwan@google.com>
4668         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4669         stub_factory_.
4670         (Target_arm::stub_factory): New method definition.
4671         (Target_arm::new_arm_input_section,
4672         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4673         Target_arm::reloc_uses_thumb_bit): New method declarations.
4674         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4675         New type definitions.
4676         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4677         member declarations.
4678         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4679         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4680         New method definitions.
4682 2009-11-03  Ian Lance Taylor  <iant@google.com>
4684         * options.h (class General_options): Add --warn_constructors.
4686 2009-11-03  Ian Lance Taylor  <iant@google.com>
4688         PR 10893
4689         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4690         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4692 2009-11-03  Ian Lance Taylor  <iant@google.com>
4694         PR 10895
4695         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4696         --msgid-bugs-address.
4697         (install-pdf): New target.
4698         (install-data_yes): Look up one directory to find mkinstalldirs.
4700 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4702         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4703         tree.
4705 2009-10-30  Doug Kwan  <dougkwan@google.com>
4707         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4709 2009-10-30  Doug Kwan  <dougkwan@google.com>
4711         * arm.cc (Stub_addend_reader): New struct template definition
4712         and partial specializations.
4713         (Stub_addend_reader::operator()): New method definition for a
4714         partially specialized template.
4716 2009-10-30  Doug Kwan  <dougkwan@google.com>
4718         * arm.cc (Arm_relobj::processor_specific_flags): New method
4719         definition.
4720         (Arm_relobj::do_read_symbols): New method declaration.
4721         (Arm_relobj::processor_specific_flags_): New data member declaration.
4722         (Arm_dynobj): New class definition.
4723         (Target_arm::do_finalize_sections): Add input_objects parameter.
4724         (Target_arm::do_adjust_elf_header): New method declaration.
4725         (Target_arm::are_eabi_versions_compatible,
4726         (Target_arm::merge_processor_specific_flags): New method declaration.
4727         (Target_arm::do_make_elf_object): New overloaded method definitions
4728         and declaration.
4729         (Arm_relobj::do_read_symbols): New method definition.
4730         (Arm_dynobj::do_read_symbols): Ditto.
4731         (Target_arm::do_finalize_sections): Add input_objects parameters.
4732         Merge processor-specific flags from all input objects.
4733         (Target_arm::are_eabi_versions_compatible,
4734         Target_arm::merge_processor_specific_flags,
4735         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4736         New method definitions.
4737         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4738         Input_objects pointer type parameter.
4739         * layout.cc (Layout::finalize): Pass input objects to target's.
4740         finalize_sections function.
4741         * output.cc (Output_file_header::do_sized_write): Set ELF file
4742         header's processor-specific flags.
4743         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4744         Input_objects pointer type parameter.
4745         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4746         * target.h (Input_objects): New forward class declaration.
4747         (Target::processor_specific_flags,
4748         Target::are_processor_specific_flags_sect): New method definitions.
4749         (Target::finalize_sections): Add input_objects parameter.
4750         (Target::Target): Initialize processor_specific_flags_ and
4751         are_processor_specific_flags_set_.
4752         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4753         parameter.
4754         (Target::set_processor_specific_flags): New method definition.
4755         (Target::processor_specific_flags_,
4756         Target::are_processor_specific_flags_set_): New data member
4757         declarations.
4758         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4759         Input_objects pointer type parameter.
4761 2009-10-30  Doug Kwan  <dougkwan@google.com>
4763         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4765 2009-10-28  Ian Lance Taylor  <iant@google.com>
4767         * object.h (class Relobj): Drop options parameter from
4768         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4769         do_scan_relocs, do_relocate.  Change all callers.
4770         (class Sized_relobj): Drop options parameters from
4771         do_gc_process_relocs, do_scan_relocs, do_relocate,
4772         do_relocate_sections, relocate_sections, emit_relocs_scan,
4773         emit_relocs_scan_reltype.  Change all callers.
4774         (struct Relocate_info): Remove options field and all references to
4775         it.
4776         * reloc.h (class Read_relocs): Remove options constructor
4777         parameter and options_ field.  Change all callers.
4778         (class Gc_process_relocs, class Scan_relocs): Likewise.
4779         (class Relocate_task): Likewise.
4780         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4781         all callers.
4782         (scan_relocatable_relocs): Likewise.
4783         * target.h (class Sized_target): Remove options parameter from
4784         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4785         all callers.
4786         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4787         callers.
4788         * arm.cc: Update functions to remove options parameters.
4789         * i386.cc: Likewise.
4790         * powerpc.cc: Likewise.
4791         * sparc.cc: Likewise.
4792         * x86_64.cc: Likewise.
4793         * testsuite/testfile.cc: Likewise.
4795 2009-10-28  Doug Kwan  <dougkwan@google.com>
4797         * arm.cc (Arm_relobj): New class definition.
4798         (Arm_relobj::scan_sections_for_stubs,
4799         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4800         New method definitions.
4802 2009-10-28  Cary Coutant  <ccoutant@google.com>
4804         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4805         (Plugin::cleanup_done_): New member.
4806         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4807         (Plugin_manager::cleanup_done_): Remove.
4808         (Plugin_manager::add_input_file): Edit error message.
4809         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4810         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4812 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4814         * fileread.cc: (File_read::View::~View): Use the new
4815         data_ownership_ filed.
4816         (File_read::~File_read): Dispose the new whole_file_view_.
4817         (File_read::open): Mmap the whole file if needed.
4818         (File_read::open): Use whole_file_view_ instead of contents_.
4819         (File_read::find_view): Use whole_file_view_ if applicable.
4820         (File_read::do_read): Use whole_file_view_ instead of contents_.
4821         (File_read::make_view): Use whole_file_view_ instead of contents_,
4822         update File_read::View::View call.
4823         (File_read::find_or_make_view): Update File_read::View::View
4824         call.
4825         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4826         remove contents_
4827         (File_read::View::Data_ownership): New enum.
4828         (File_read::View::View): Replace bool mapped_ with Data_ownership
4829         argument.
4830         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4831         (File_read::View::data_ownership_): New field.
4832         (File_read::contents_): Remove (replaced by whole_file_view_).
4833         (File_read::whole_file_view_): New field.
4834         * options.h (class General_options): Add --keep-files-mapped.
4836 2009-10-27  Cary Coutant  <ccoutant@google.com>
4838         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4839         * testsuite/Makefile.am (plugin_test_5): New test case.
4840         * testsuite/Makefile.in: Regenerate.
4842 2009-10-25  Doug Kwan  <dougkwan@google.com>
4844         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4845         from private to protected to allow access by child class.
4846         (Sized_relobj::do_relocate_sections): New method declaration.
4847         (Sized_relobj::relocate_sections): Virtualize.
4848         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4849         Sized_relobj::relocate_sections.  Instantiate template explicitly
4850         for different target sizes and endianity.
4852 2009-10-24  Doug Kwan  <dougkwan@google.com>
4854         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4855         (Arm_input_section::as_arm_input_section): New method.
4856         (Arm_output_section): New class definition.
4857         (Arm_output_section::create_stub_group,
4858         Arm_output_section::group_sections): New method definitions.
4860 2009-10-22  Doug Kwan  <dougkwan@google.com>
4862         * arm.cc (Arm_input_section): New class definition.
4863         (Arm_input_section::init, Arm_input_section:do_write,
4864         Arm_input_section::set_final_data_size,
4865         Arm_input_section::do_reset_address_and_file_offset): New method
4866         definitions.
4868 2009-10-21  Doug Kwan  <dougkwan@google.com>
4870         * arm.cc (Stub_table, Arm_input_section): New forward class
4871         declarations.
4872         (Stub_table): New class defintion.
4873         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4874         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4875         New method definition.
4877 2009-10-21  Doug Kwan  <dougkwan@google.com>
4879         * arm.cc: Update copyright comments.
4880         (Target_arm): New forward class template declaration.
4881         (Arm_address): New type.
4882         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4883         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4884         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4885         constants.
4886         (Insn_template): Same.
4887         (DEF_STUBS): New macro.
4888         (Stub_type): New enum type.
4889         (Stub_template): New class definition.
4890         (Stub): Same.
4891         (Reloc_stub): Same.
4892         (Stub_factory): Same.
4893         (Target_arm::Target_arm): Initialize may_use_blx_ and
4894         should_force_pic_veneer_.
4895         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4896         Target_arm::should_force_pic_veneer,
4897         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4898         Target_arm::using_thumb_only, Target_arm:;default_target): New
4899         method defintions.
4900         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4901         New data member declarations.
4902         (Insn_template::size, Insn_template::alignment): New method defintions.
4903         (Stub_template::Stub_template): New method definition.
4904         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4905         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4906         (Stub_factory::Stub_factory): New method definition.
4907         * gold.h (string_hash): New template.
4908         * output.h (Input_section_specifier::hash_value): Use
4909         gold::string_hash.
4910         (Input_section_specifier::string_hash): Remove.
4911         * stringpool.cc (Stringpool_template::string_hash): Use
4912         gold::string_hash.
4914 2009-10-20  Doug Kwan  <dougkwan@google.com>
4916         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4917         symbols of relaxed input sections.
4918         * output.h (Output_section::find_relaxed_input_section): Make
4919         method public.
4921 2009-10-16  Doug Kwan  <dougkwan@google.com>
4923         * dynobj.cc (Versions::Versions): Initialize version_script_.
4924         Only insert base version symbol definition for a shared object
4925         if version script defines any version versions.
4926         (Versions::define_base_version): New method definition.
4927         (Versions::add_def): Check that base version is not needed.
4928         (Versions::add_need): Define base version lazily.
4929         * dynobj.h (Versions::define_base_version): New method declaration.
4930         (Versions::needs_base_version_): New data member declaration.
4931         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
4932         (check_DATA): Add no_version_test.stdout.
4933         (libno_version_test.so, no_version_test.o no_version_test.stdout):
4934         New make rules.
4935         * testsuite/Makefile.in: Regenerate.
4936         * testsuite/no_version_test.c: New file.
4937         * testsuite/no_version_test.sh: Ditto.
4939 2009-10-16  Doug Kwan  <dougkwan@google.com>
4941         * expression.cc (class Segment_start_expression): New class definition.
4942         (Segment_start_expression::value): New method definition.
4943         (script_exp_function_segment_start): Return a new
4944         Segment_start_expression.
4945         * gold/script-c.h (script_saw_segment_start_expression): New function
4946         prototype.
4947         * script-sections.cc (Script_sections::Script_sections): Initialize
4948         SAW_SEGMENT_START_EXPRESSION_ to false.
4949         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
4950         and -Tbbs options to specify section addresses if given in
4951         command line and no SEGMENT_START expression is seen in a script.
4952         * script-sections.h (Script_sections::saw_segment_start_expression,
4953         Script_sections::set_saw_segment_start_expression): New method
4954         definition.
4955         (Script_sections::saw_segment_start_expression_): New data member
4956         declaration.
4957         * script.cc (script_saw_segment_start_expression): New function.
4958         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
4959         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
4960         script_test_7.sh and script_test_8.sh.
4961         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
4962         script_test_8.stdout.
4963         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
4964         (script_test_6, script_test_6.stdout, script_test_7,
4965         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
4966         * Makefile.in: Regenerate.
4967         * testsuite/script_test_6.sh: New file.
4968         * testsuite/script_test_6.t: Same.
4969         * testsuite/script_test_7.sh: Same.
4970         * testsuite/script_test_7.t: Same.
4971         * testsuite/script_test_8.sh: Same.
4973 2009-10-16  Doug Kwan  <dougkwan@google.com>
4975         * output.cc (Output_segment::set_section_list_address): Cast
4976         expressions to unsigned long long type to avoid format warnings.
4978 2009-10-15  Ian Lance Taylor  <iant@google.com>
4980         * script.cc (Script_options::add_symbol_assignment): Always add a
4981         dot assignment to script_sections_.
4982         * script-sections.cc (Script_sections::add_dot_assignment):
4983         Initialize if necessary.
4985         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
4986         program headers with no load segment if there is a linker script.
4988         * layout.cc (Layout::set_segment_offsets): Align the file offset
4989         to the segment aligment for -N or -n with no load segment.
4990         * output.cc (Output_segment::add_output_section): Don't crash if
4991         the first section is a TLS section.
4992         (Output_segment::set_section_list_addresses): Print an error
4993         message if the address moves backward in a linker script.
4994         * script-sections.cc
4995         (Output_section_element_input::set_section_addresses): Don't
4996         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
4997         (Orphan_output_section::set_section_addresses): Likewise.
4999 2009-10-15  Doug Kwan  <dougkwan@google.com>
5001         * layout.cc (Layout::finish_dynamic_section): Generate tags
5002         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
5003         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
5004         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
5006 2009-10-14  Ian Lance Taylor  <iant@google.com>
5008         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
5009         fields.
5010         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
5011         data_shdr fields of relinfo.
5012         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
5013         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
5014         R_386_TLS_LDO_32, adjust based on section flags.
5015         (Target_i386::Relocate::fix_up_ldo): Remove.
5017 2009-10-13  Ian Lance Taylor  <iant@google.com>
5019         Add support for -pie.
5020         * options.h (class General_options): Add -pie and
5021         --pic-executable.
5022         (General_options::output_is_position_independent): Test -pie.
5023         (General_options::output_is_executable): Return true if not shared
5024         and not relocatable.
5025         (General_options::output_is_pie): Remove.
5026         * options.cc (General_options::finalize): Reject incompatible uses
5027         of -pie.
5028         * gold.cc (queue_middle_tasks): A -pie link is not static.
5029         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
5030         * symtab.cc (Symbol::final_value_is_known): Return false if
5031         output_is_position_independent.
5032         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
5033         output_is_position_independent.
5034         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
5035         output_is_position_independent.
5036         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
5037         output_is_position_independent.
5038         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
5039         two_file_pie_test.
5040         (basic_pie_test.o, basic_pie_test): New targets.
5041         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
5042         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
5043         (two_file_pie_test): New target.
5044         * testsuite/Makefile.in: Rebuild.
5045         * README: Remove note saying that -pie is not supported.
5047 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5049         * options.h (class General_options): Add -init and -fini.
5050         * layout.cc (Layout::finish_dynamic_section): Emit
5051         given init and fini functions.
5053 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
5055         * gc.h (gc_process_relocs): Check if icf is enabled using new
5056         function.
5057         * gold.cc (queue_initial_tasks): Likewise.
5058         (queue_middle_tasks): Likewise.
5059         * object.cc (do_layout): Likewise.
5060         * symtab.cc (is_section_folded): Likewise.
5061         * main.cc (main): Likewise.
5062         * reloc.cc (Read_relocs::run): Likewise.
5063         (Sized_relobj::do_scan_relocs): Likewise.
5064         * icf.cc (is_function_ctor_or_dtor): New function.
5065         (Icf::find_identical_sections): Check if function is ctor or dtor when
5066         safe icf is chosen.
5067         * options.h (General_options::icf): Change option to be an enum.
5068         (Icf_status): New enum.
5069         (icf_enabled): New method.
5070         (icf_safe_folding): New method.
5071         (set_icf_status): New method.
5072         (icf_status_): New variable.
5073         * (options.cc) (General_options::finalize): Set icf_status_.
5074         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
5075         icf_test and icf_keep_unique_test to use the --icf enum flag.
5076         * testsuite/icf_safe_test.sh: New file.
5077         * testsuite/icf_safe_test.cc: New file.
5079 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
5081         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
5082         includes to gc.h and icf.h.
5083         * arm.cc: Include gc.h.
5084         * gold.cc: Likewise.
5085         * i386.cc: Likewise.
5086         * powerpc.cc: Likewise.
5087         * sparc.cc: Likewise.
5088         * x86_64.cc: Likewise.
5089         * gc.h: Include icf.h.
5091 2009-10-11  Ian Lance Taylor  <iant@google.com>
5093         * plugin.cc: Include "gold.h" before other header files.
5095 2009-10-10  Chris Demetriou  <cgd@google.com>
5097         * options.h (Input_file_argument::Input_file_type): New enum.
5098         (Input_file_argument::is_lib_): Replace with...
5099         (Input_file_argument::type_): New member.
5100         (Input_file_argument::Input_file_argument): Take Input_file_type
5101         'type' rather than boolean 'is_lib' as second argument.
5102         (Input_file_argument::is_lib): Use type_.
5103         (Input_file_argument::is_searched_file): New function.
5104         (Input_file_argument::may_need_search): Handle is_searched_file.
5105         * options.cc (General_options::parse_library): Support -l:filename.
5106         (General_options::parse_just_symbols): Update for Input_file_argument
5107         changes.
5108         (Command_line::process): Likewise.
5109         * archive.cc (Archive::get_file_and_offset): Likewise.
5110         * plugin.cc (Plugin_manager::release_input_file): Likewise.
5111         * script.cc (read_script_file, script_add_file): Likewise.
5112         * fileread.cc (Input_file::Input_file): Likewise.
5113         (Input_file::will_search_for): Handle is_searched_file.
5114         (Input_file::open): Likewise.
5115         * readsyms.cc (Read_symbols::get_name): Likewise.
5116         * testsuite/Makefile.am (searched_file_test): New test.
5117         * testsuite/Makefile.in: Regenerate.
5118         * testsuite/searched_file_test.cc: New file.
5119         * testsuite/searched_file_test_lib.cc: New file.
5121 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5122             Ian Lance Taylor  <iant@google.com>
5124         * descriptor.cc: Include <cstdio> and "binary-io.h".
5125         (Descriptors::open): Open the files in binary mode always.
5126         * script.cc (Lex::get_token): Treat \r as whitespace.
5128 2009-10-09  Ian Lance Taylor  <iant@google.com>
5130         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5132 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5133             Ian Lance Taylor  <iant@google.com>
5135         * configure.ac: Check for readv function also.
5136         * fileread.cc (readv): Define if not HAVE_READV.
5137         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5138         does not exist.
5139         * config.in: Regenerate.
5140         * configure: Regenerate.
5142 2009-10-09  Doug Kwan  <dougkwan@google.com>
5144         * layout.cc (Layout::make_output_section): Call target hook to make
5145         ordinary output section.
5146         (Layout::finalize): Adjust parameter list of call the
5147         Target::may_relax().
5148         * layout.h (class Layout::section_list): New method.
5149         * merge.h (Output_merge_base::entsize): Change visibility to public.
5150         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5151         New methods.
5152         (Output_merge_string::do_is_string): New method.
5153         * object.cc (Sized_relobj::do_setup): renamed from
5154         Sized_relobj::set_up.
5155         * object.h (Sized_relobj::adjust_shndx,
5156         Sized_relobj::initializ_input_to_output_maps,
5157         Sized_relobj::free_input_to_output_maps): Change visibilities to
5158         protected.
5159         (Sized_relobj::setup): Virtualize.
5160         (Sized_relobj::do_setup): New method declaration.
5161         (Sized_relobj::invalidate_section_offset,
5162         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5163         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5164         * options.cc (parse_int): New function.
5165         * options.h (parse_int): New declaration.
5166         (DEFINE_int): New macro.
5167         (stub_group_size): New option.
5168         * output.cc (Output_section::Output_section): Initialize memebers
5169         merge_section_map_, merge_section_by_properties_map_,
5170         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5171         (Output_section::add_input_section): Handled deferred code-fill
5172         generation and remove an old comment.
5173         (Output_section::add_relaxed_input_section): New method definition.
5174         (Output_section::add_merge_input_section): Use merge section by
5175         properties map to speed to search.  Update merge section maps
5176         as appropriate.
5177         (Output_section::build_relaxation_map): New method definition.
5178         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5179         Same.
5180         (Output_section::relax_input_section): Renamed to
5181         Output_section::convert_input_sections_to_relaxed_sections and change
5182         interface to take a vector of pointers to relaxed sections.
5183         (Output_section::find_merge_section,
5184         Output_section::find_relaxed_input_section): New method definitions.
5185         (Output_section::is_input_address_mapped,
5186         Output_section::output_offset, Output_section::output_address):
5187         Use output section data maps to speed up searching.
5188         (Output_section::find_starting_output_address): Add comments.
5189         (Output_section::do_write,
5190         Output_section::write_to_postprocessing_buffer): Do code-fill
5191         generation as appropriate.
5192         (Output_section::get_input_sections): Invalidate relaxed input section
5193         map.
5194         (Output_section::restore_states): Adjust type of checkpoint .
5195         Invalidate relaxed input section map.
5196         * output.h (Output_merge_base): New class declaration.
5197         (Input_section_specifier): New class defintion.
5198         (class Output_relaxed_input_section) Change base class to
5199         Output_section_data_build.
5200         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5201         base class initializer.
5202         (Output_section::add_relaxed_input_section): New method declaration.
5203         (Output_section::Input_section): Change visibility to protected.
5204         (Output_section::Input_section::relobj,
5205         Output_section::Input_section::shndx): Handle relaxed input sections.
5206         Output_section::input_sections) Change visibility to protected.  Also
5207         define overload to return a non-const pointer.
5208         (Output_section::Merge_section_properties): New class defintion.
5209         (Output_section::Merge_section_by_properties_map,
5210         Output_section::Output_section_data_by_input_section_map,
5211         Output_section::Relaxation_map): New types.
5212         (Output_section::relax_input_section): Rename method to
5213         Output_section::convert_input_sections_to_relaxed_sections and change
5214         interface to take a vector of relaxed section pointers.
5215         (Output_section::find_merge_section,
5216         Output_section::find_relaxed_input_section,
5217         Output_section::build_relaxation_map,
5218         Output_section::convert_input_sections_in_list_to_relaxed_sections):
5219         New method declarations.
5220         (Output_section::merge_section_map_
5221         Output_section::merge_section_by_properties_map_,
5222         Output_section::relaxed_input_section_map_,
5223         Output_section::is_relaxed_input_section_map_valid_,
5224         Output_section::generate_code_fills_at_write_): New data members.
5225         * script-sections.cc
5226         (Output_section_element_input::set_section_addresses): Call
5227         current_data_size and addralign methods of relaxed input sections.
5228         (Orphan_output_section::set_section_addresses): Call current_data_size
5229         and addralign methods of relaxed input sections.
5230         * symtab.cc (Symbol_table::compute_final_value): Extract template
5231         from the body of Symbol_table::sized_finalize_symbol.
5232         (Symbol_table::sized_finalized_symbol): Call
5233         Symbol_table::compute_final_value.
5234         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
5235         (Symbol_table::compute_final_value): New templated method declaration.
5236         * target.cc (Target::do_make_output_section): New method defintion.
5237         * target.h (Target::make_output_section): New method declaration.
5238         (Target::relax): Add more parameters for input objects, symbol table
5239         and layout.  Adjust call to do_relax.
5240         (Target::do_make_output_section): New method declaration.
5241         (Target::do_relax): Add parameters for input objects, symbol table
5242         and layout.
5244 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5246         * pread.c: Include stdio.h.
5248 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5250         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
5251         defined.
5253 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5255         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5256         Change read_shndx type to unsigned int.
5257         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5258         int.
5259         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5260         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
5261         Change read_shndx type to unsigned int.
5262         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5263         int.
5264         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5265         * layout.cc (Layout::create_symtab_sections): Cast the result of
5266         local_symcount * symsize to off_t in the gold_assert.
5268 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5270         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
5271         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
5272         R_ARM_BASE_ABS.
5273         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
5274         (Arm_relocate_functions::thm_abs5): New function.
5275         (Arm_relocate_functions::abs12): New function.
5276         (Arm_relocate_functions::abs16): New function.
5277         (Arm_relocate_functions::base_abs): New function.
5278         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
5279         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
5280         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
5281         R_ARM_BASE_ABS.
5282         (Scan::global): Likewise.
5283         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
5284         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
5285         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
5286         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
5287         R_ARM_BASE_ABS.
5289 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5291         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
5292         (Arm_relocate_functions::movt_prel): New function.
5293         (Arm_relocate_functions::thm_movw_prel_nc): New function.
5294         (Arm_relocate_functions::thm_movt_prel): New function.
5295         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
5296         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
5297         (Scan::global, Relocate::relocate): Likewise.
5298         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5300 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5302         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
5303         Incremental_checker.
5304         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
5305         unsigned int.
5306         (class Incremental_inputs_header): New class.
5307         (Incremental_inputs_header_writer): Edit comment.
5308         (Incremental_inputs_entry): New class.
5309         (Incremental_inputs_entry_writer): Edit comment.
5310         (Sized_incremental_binary::do_find_incremental_inputs_section):
5311         Add *strtab_shndx parameter, fill it.
5312         (Sized_incremental_binary::do_check_inputs): New method.
5313         (Incremental_checker::can_incrementally_link_output_file): Use
5314         Sized_incremental_binary::check_inputs.
5315         (Incremental_inputs::report_command_line): Save command line in
5316         command_line_.
5317         * incremental.h:
5318         (Incremental_binary::find_incremental_inputs_section): New
5319         method.
5320         (Incremental_binary::do_find_incremental_inputs_section): Add
5321         strtab_shndx parameter.
5322         (Incremental_binary::do_check_inputs): New pure virtual method.
5323         (Sized_incremental_binary::do_check_inputs): Declare.
5324         (Incremental_checker::Incremental_checker): Add incremental_inputs
5325         parameter, use it to initialize incremental_inputs_.
5326         (Incremental_checker::incremental_inputs_): New field.
5327         (Incremental_checker::command_line): New method.
5328         (Incremental_checker::inputs): New method.
5329         (Incremental_checker::command_line_): New field.
5331 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5333         * incremental.cc: Include <cstdarg> and "target-select.h".
5334         (vexplain_no_incremental): New function.
5335         (explain_no_incremental): New function.
5336         (Incremental_binary::error): New method.
5337         (Sized_incremental_binary::do_find_incremental_inputs_section): New
5338         method.
5339         (make_sized_incremental_binary): New function.
5340         (open_incremental_binary): New function.
5341         (can_incrementally_link_file): Add checks if output is ELF and has
5342         inputs section.
5343         * incremental.h: Include "elfcpp_file.h" and "output.h".
5344         (Incremental_binary): New class.
5345         (Sized_incremental_binary): New class.
5346         (open_incremental_binary): Declare.
5347         * object.cc (is_elf_object): Use
5348         elfcpp::Elf_recognizer::is_elf_file.
5349         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
5350         * output.h (Output_file::filesize): New method.
5352 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5354         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
5355         New function.
5356         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
5357         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
5358         function.
5359         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
5360         function.
5361         (Arm_relocate_functions::movw_abs_nc): New function.
5362         (Arm_relocate_functions::movt_abs): New function.
5363         (Arm_relocate_functions::thm_movw_abs_nc): New function.
5364         (Arm_relocate_functions::thm_movt_abs): New function.
5365         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
5366         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
5367         (Scan::global): Likewise.
5368         (Relocate::relocate): Likewise.
5369         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5371 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5373         * arm.cc (Arm_relocate_functions::got_prel) New function.
5374         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5375         (Relocate::relocate): Likewise.
5376         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5378 2009-10-06  Ian Lance Taylor  <iant@google.com>
5380         * options.h (class General_options): Define
5381         split_stack_adjust_size parameter.
5382         * object.h (class Object): Add uses_split_stack_ and
5383         has_no_split_stack_ fields.  Add uses_split_stack and
5384         has_no_split_stack accessor functions.  Declare
5385         handle_split_stack_section.
5386         (class Reloc_symbol_changes): Define.
5387         (class Sized_relobj): Define Function_offsets.  Declare
5388         split_stack_adjust, split_stack_adjust_reltype, and
5389         find_functions.
5390         * object.cc (Object::handle_split_stack_section): New function.
5391         (Sized_relobj::do_layout): Call handle_split_stack_section.
5392         * dynobj.cc (Sized_dynobj::do_layout): Call
5393         handle_split_stack_section.
5394         * reloc.cc (Sized_relobj::relocate_sections): Call
5395         split_stack_adjust for executable sections in split_stack
5396         objects.  Pass reloc_map to relocate_section.
5397         (Sized_relobj::split_stack_adjust): New function.
5398         (Sized_relobj::split_stack_adjust_reltype): New function.
5399         (Sized_relobj::find_functions): New function.
5400         * target-reloc.h: Include "object.h".
5401         (relocate_section): Add reloc_symbol_changes parameter.  Change
5402         all callers.
5403         * target.h (class Target): Add calls_non_split method.  Declare
5404         do_calls_non_split virtual method.  Declare match_view and
5405         set_view_to_nop.
5406         * target.cc: Include "elfcpp.h".
5407         (Target::do_calls_non_split): New function.
5408         (Target::match_view): New function.
5409         (Target::set_view_to_nop): New function.
5410         * gold.cc (queue_middle_tasks): Give an error if mixing
5411         split-stack and non-split-stack objects with -r.
5412         * i386.cc (Target_i386::relocate_section): Add
5413         reloc_symbol_changes parameter.
5414         (Target_i386::do_calls_non_split): New function.
5415         * x86_64.cc (Target_x86_64::relocate_section): Add
5416         reloc_symbol_changes parameter.
5417         (Target_x86_64::do_calls_non_split): New function.
5418         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5419         parameter.
5420         * powerpc.cc (Target_powerpc::relocate_section): Add
5421         reloc_symbol_changes parameter.
5422         * sparc.cc (Target_sparc::relocate_section): Add
5423         reloc_symbol_changes parameter.
5424         * configure.ac: Call AM_CONDITIONAL for the default target.
5425         * configure: Rebuild.
5426         * testsuite/Makefile.am (TEST_AS): New variable.
5427         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5428         (check_DATA): Add split_i386 and split_x86_64 files.
5429         (SPLIT_DEFSYMS): Define.
5430         (split_i386_[1234n].o): New targets.
5431         (split_i386_[124]): New targets.
5432         (split_i386_[1234r].stdout): New targets.
5433         (split_x86_64_[1234n].o): New targets.
5434         (split_x86_64_[124]): New targets.
5435         (split_x86_64_[1234r].stdout): New targets.
5436         (MOSTLYCLEANFILES): Add new executables.
5437         * testsuite/split_i386.sh: New file.
5438         * testsuite/split_x86_64.sh: New file.
5439         * testsuite/split_i386_1.s: New file.
5440         * testsuite/split_i386_2.s: New file.
5441         * testsuite/split_i386_3.s: New file.
5442         * testsuite/split_i386_4.s: New file.
5443         * testsuite/split_i386_n.s: New file.
5444         * testsuite/split_x86_64_1.s: New file.
5445         * testsuite/split_x86_64_2.s: New file.
5446         * testsuite/split_x86_64_3.s: New file.
5447         * testsuite/split_x86_64_4.s: New file.
5448         * testsuite/split_x86_64_n.s: New file.
5449         * testsuite/testfile.cc (Target_test): Update relocation_section
5450         function.
5451         * testsuite/Makefile.in: Rebuild.
5453 2009-10-06  Ian Lance Taylor  <iant@google.com>
5455         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5456         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5457         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5458         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5459         the address on ldo_addrs_.
5460         (Target_i386::Relocate::fix_up_ldo): New function.
5462 2009-10-06   Rafael Espindola  <espindola@google.com>
5464         * plugin.cc (add_input_library): New.
5465         (Plugin::load): Add add_input_library to tv.
5466         (Plugin_manager::add_input_file): Add the is_lib argument.
5467         (add_input_file): Update call to Plugin_manager::add_input_file.
5468         (add_input_library): New.
5469         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5471 2009-09-30  Doug Kwan  <dougkwan@google.com>
5473         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5474         symbol and call Symbol::may_need_copy_reloc to determine if
5475         a copy reloc is needed.
5476         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5477         nocopyreloc is given in command line.
5478         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5479         given in command line.
5480         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5481         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5482         of the removed Target_i386::may_need_copy_reloc.
5483         * options.h (copyreloc): New option with default value false.
5484         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5485         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5486         instead of the removed Target_powerpc::may_need_copy_reloc.
5487         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5488         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5489         instead of the removed Target_sparc::may_need_copy_reloc.
5490         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5491         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5492         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5493         instead of the removed Target_x86_64::may_need_copy_reloc.
5495 2009-09-30  Ian Lance Taylor  <iant@google.com>
5497         * object.h (class Object): Remove target_ field, and target,
5498         sized_target, and set_target methods.
5499         (Object::sized_target): Remove.
5500         (class Sized_relobj): Update declarations.  Remove sized_target.
5501         * object.cc (Sized_relobj::setup): Remove target parameter.
5502         Change all callers.
5503         (Input_objects::add_object): Don't do anything with the target.
5504         (make_elf_sized_object): Add punconfigured parameter.  Change all
5505         callers.  Set or test parameter target.
5506         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5507         Change all callers.
5508         * parameters.cc (Parameters::set_target): Change parameter type to
5509         be non-const.
5510         (Parameters::default_target): Remove.
5511         (set_parameters_target): Change parameter type to be non-const.
5512         (parameters_force_valid_target): New function.
5513         (parameters_clear_target): New function.
5514         * parameters.h (class Parameters): Update declarations.  Remove
5515         default_target method.  Add sized_target and clear_target
5516         methods.  Change target_ to be non-const.
5517         (set_parameters_target): Update declaration.
5518         (parameters_force_valid_target): Declare.
5519         (parameters_clear_target): Declare.
5520         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5521         as NULL if we aren't searching.
5522         (Add_symbols::run): Don't check for compatible target.
5523         * fileread.cc (Input_file::open_binary): Call
5524         parameters_force_valid_target.
5525         * gold.cc (queue_middle_tasks): Likewise.
5526         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5527         set_target on object.
5528         * dynobj.h (class Sized_dynobj): Update declarations.
5529         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5530         make_elf_object returns NULL.
5531         (Archive::include_member): Don't check whether object target is
5532         compatible.
5533         * output.cc (Output_section::add_input_section): Get target from
5534         parameters.
5535         (Output_section::relax_input_section): Likewise.
5536         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5537         parameters.
5538         (Sized_relobj::do_scan_relocs): Likewise.
5539         (Sized_relobj::relocate_sections): Likewise.
5540         * resolve.cc (Symbol_table::resolve): Likewise.
5541         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5542         parameter.  Change all callers.
5543         (Symbol_table::add_from_object): Get target from parameters.
5544         (Symbol_table::add_from_relobj): Don't check object target.
5545         (Symbol_table::add_from_dynobj): Likewise.
5546         (Symbol_table::define_special_symbol): Get target from
5547         parameters.
5548         * symtab.h (class Symbol_table): Update declaration.
5549         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5550         parameter.  Change all callers.  Clear parameter target.
5551         (Binary_test): Test target here.
5552         * testsuite/object_unittest.cc (gold_testsuite): Remove
5553         target_test_pointer parameter.  Change all callers.
5554         (Object_test): Test target here.
5556 2009-09-26  Ian Lance Taylor  <iant@google.com>
5558         * testsuite/initpri1.c: Don't try to use constructor priorities if
5559         compiling with gcc before 4.3.
5561 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5563         * testsuite/retain_symbols_file_test.sh (check_present): Change
5564         output file name to retain_symbols_file_test.stdout.
5565         (check_absent): Likewise.
5567 2009-09-18  Craig Silverstein  <csilvers@google.com>
5569         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5570         * options.cc: Include <cerrno> and <fstream>.
5571         (General_options::finalize): Parse -retain-symbols-file tag.
5572         * options.h: New flag.
5573         (General_options): New method should_retain_symbol, new
5574         variable symbols_to_retain.
5575         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5576         should_retain_symbol map.
5577         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5578         * testsuite/Makefile.in: Regenerate.
5579         * testsuite/retain_symbols_file_test.sh: New file.
5581 2009-09-18  Nick Clifton  <nickc@redhat.com>
5583         * po/es.po: Updated Spanish translation.
5585 2009-09-17  Doug Kwan  <dougkwan@google.com>
5587         * debug.h (DEBUG_RELAXATION): New constant.
5588         (DEBUG_ALL): Add DEBUG_RELAXATION.
5589         (debug_string_to_enum): Add relaxation debug option.
5590         * layout.cc
5591         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5592         Layout::Relaxation_debug_check::read_sections,
5593         Layout::Relaxation_debug_check::read_sections): New method definitions.
5594         (Layout::Layout): Initialize data members
5595         record_output_section_data_from_scrips_,
5596         script_output_section_data_list_ and relaxation_debug_check_.
5597         (Layout::save_segments, Layout::restore_segments,
5598         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5599         Layout::relaxation_loop_body): New method definitions.
5600         (Layout::finalize): Support relaxation.  Move section layout code to
5601         Layout::relaxation_loop_body.
5602         (Layout::set_asection_address_from_script): Move code for orphan
5603         section placement out.
5604         (Layout::place_orphan_sections_in_script): New method definition.
5605         * layout.h (Output_segment_headers, Output_file_header):
5606         New forward class declarations.
5607         (Layout::~Layout): Define.
5608         (Layout::new_output_section_data_from_script): New method definition.
5609         (Layout::place_orphan_sections_in_script): New method declaration.
5610         (Layout::Segment_states): New type declaration.
5611         (Layout::save_segments, Layout::restore_segments,
5612         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5613         Layout::relaxation_loop_body): New method declarations.
5614         (Layout::Output_section_data_list): New type declaration.
5615         (Layout::Relaxation_debug_check): New class definition.
5616         (Layout::record_output_section_data_from_script_,
5617         Layout::script_output_section_data_list_, Layout::segment_states_,
5618         Layout::relaxation_debug_check_): New data members.
5619         * output.cc: (Output_section_headers::do_size): New method definition.
5620         (Output_section_headers::Output_section_headers): Move size
5621         computation to Output_section_headers::do_size.
5622         (Output_segment_headers::do_size): New method definition.
5623         (Output_file_header::Output_file_header): Move size computation to
5624         Output_file_header::do_size and call it.
5625         (Output_file_header::do_size): New method definition.
5626         (Output_data_group::Output_data_group): Adjust call to
5627         Output_section_data.
5628         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5629         (Output_symtab_xindex::do_write): Add array bound check.
5630         (Output_section::Input_section::print_to_mapfile): Handle
5631         RELAXED_INPUT_SECTION_CODE.
5632         (Output_section::Output_section): Initialize data member checkpoint_.
5633         (Output_section::~Output_section): Delete checkpoint object pointed
5634         by checkpoint_.
5635         (Output_section::add_input_section): Always add an Input_section if
5636         relaxing.
5637         (Output_section::add_merge_input_section): Add assert.
5638         (Output_section::relax_input_section): New method definition.
5639         (Output_section::set_final_data_size): Set load address to zero for
5640         an unallocated section.
5641         (Output_section::do_address_and_file_offset_have_reset_values):
5642         New method definition.
5643         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5644         Handle relaxed input section.
5645         (Output_section::sort_attached_input_sections): Checkpoint input
5646         section list lazily.
5647         (Output_section::get_input_sections): Change type of input_sections to
5648         list of Simple_input_section pointers.  Checkpoint input section list
5649         lazily.  Also handle relaxed input sections.
5650         (Output_section::add_input_section_for_script): Take a reference to
5651         a Simple_input_section object instead of Relobj pointer and section
5652         index as parameter.  Handle relaxed input sections.
5653         (Output_section::save_states, Output_section::restore_states): New
5654         method definitions.
5655         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5656         (Output_data::is_data_size_fixed): New method definition.
5657         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5658         if it is fixed.
5659         (Output_data::address_and_file_offset_have_reset_values): New method
5660         definition.
5661         (Output_data::do_address_and_file_offset_have_reset_values): New method
5662         definition.
5663         (Output_data::set_data_size): Check that data size is not fixed.
5664         (Output_data::fix_data_size): New method definition.
5665         (Output_data::is_data_size_fixed_): New data member.
5666         (Output_section_headers::set_final_data_size): New method definition.
5667         (Output_section_headers::do_size): New method declaration.
5668         (Output_segment_headers::set_final_data_size): New method definition.
5669         (Output_segment_headers::do_size): New method declaration.
5670         (Output_file_header::set_final_data_size)::New method definition.
5671         (Output_file_header::do_size)::New method declaration.
5672         (Output_section_data::Output_section_data): Add new parameter
5673         is_data_size_fixed and use it to fix data size.
5674         (Output_data_const::Output_data_const): Adjust call to base class
5675         constructor and fix data size.
5676         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5677         base class constructor and fix data size.
5678         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5679         base class constructor and fix data size.
5680         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5681         class constructor and fix data size.
5682         (Output_data_group::set_final_data_size): New method definition.
5683         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5684         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5685         class constructor and fix data size.
5686         (Output_relaxed_input_section): New class definition.
5687         (Output_section::Simple_input_section): New class definition.
5688         (Output_section::get_input_sections): Adjust parameter list.
5689         (Output_section::add_input_section_for_script): Same.
5690         (Output_section::save_states, Output_section::restore_states,
5691         Output_section::do_address_and_file_offset_have_reset_values,
5692         (Output_section::Input_section::Input_section): Handle
5693         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5694         Output_relaxed_input_section.
5695         (Output_section::Input_section::is_input_section,
5696         Output_section::Input_section::set_output_section): Handle relaxed
5697         input section.
5698         (Output_section::Input_section::is_relaxed_input_section,
5699         Output_section::Input_section::output_section_data,
5700         Output_section::Input_section::relaxed_input_section): New method
5701         definitions.
5702         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5703         value.
5704         (Output_section::Input_section::u1_): Update comments.
5705         (Output_section::Input_section::u2_): Add new union member poris.
5706         (Output_section::Checkpoint_output_section): New classs definition.
5707         (Output_section::relax_input_section): New method declaration.
5708         (Output_section::checkpoint_): New data member.
5709         (Output_segment): Update comments.
5710         (Output_segment::Output_segment): Un-privatize copy constructor.
5711         (Output_segment::operator=): Un-privatize.
5712         * script-sections.cc (Output_section_element::Input_section_list):
5713         Change element type to Output_section::Simple_input_section.
5714         (Output_section_element_dot_assignment::set_section_addresses):
5715         Register output section data for relaxation clean up.
5716         (Output_data_exression::Output_data_expression): Adjust call to base
5717         constructor to fix data size.
5718         (Output_section_element_data::set_section_addresses): Register
5719         Output_data_expression object for relaxation clean up.
5720         (struct Input_section_info): Replace Relobj pointer and section index
5721         pair with Output_section::Simple_input_section and Convert struct to a
5722         class.
5723         (Input_section_sorter::operator()): Adjust access to
5724         Input_section_info data member to use accessors.
5725         (Output_section_element_input::set_section_addresses): Use layout
5726         parameter.  Adjust code to use Output_section::Simple_input_section
5727         and Input_secction_info classes.  Register filler for relaxation
5728         clean up.
5729         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5730         and section index pair with Output_section::Simple_input_section
5731         class.  Adjust code accordingly.
5732         (Phdrs_element::release_segment): New method definition.
5733         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5734         segment list.
5735         (Script_sections::release_segments): New method definition.
5736         * gold/script-sections.h (Script_sections::release_segments): New
5737         method declaration.
5738         * gold/target.h (Target::may_relax, Target::relax,
5739         Target::do_may_relax, Target::do_relax): New method definitions.
5741 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5743         * arm.cc (has_signed_unsigned_overflow): New function.
5744         (Arm_relocate_functions::abs8): New function.
5745         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5746         (Target_arm::Scan::global): Likewise.
5747         (Target_arm::relocate::relocate): Likewise.
5748         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5749         Likewise.
5751 2009-09-16  Cary Coutant  <ccoutant@google.com>
5753         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5754         * testsuite/Makefile.in: Regenerate.
5756 2009-09-11  Nick Clifton  <nickc@redhat.com>
5758         * po/gold.pot: Updated by the Translation project.
5760 2009-09-08  Cary Coutant  <ccoutant@google.com>
5762         * output.cc (Output_file::open): Add execute permission to empty file.
5763         * testsuite/Makefile.am (permission_test): New test.
5764         * testsuite/Makefile.in: Regenerate.
5766 2009-09-02  Ian Lance Taylor  <iant@google.com>
5768         * output.cc (Output_file::resize): Call map_no_anonymous rather
5769         than map.
5771 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5773         * gold.cc: Include "incremental.h".
5774         (queue_initial_tasks): Call Incremental_checker methods.
5775         * incremental.cc: Include "output.h".
5776         (Incremental_checker::can_incrementally_link_output_file): New
5777         method.
5778         * incremental.h (Incremental_checker): New class.
5780         * output.cc (Output_file::open_for_modification): New method.
5781         (Output_file::map_anonymous): Changed return type to bool.  Record
5782         map in base_ field.
5783         (Output_file::map_no_anonymous): New method, broken out of map.
5784         (Output_file::map): Use map_no_anonymous and map_anonymous.
5785         * output.h (class Output_file): Update declarations.
5787 2009-08-24  Cary Coutant  <ccoutant@google.com>
5789         * options.h (Command_line::Pre_options): New class.
5790         (Command_line::pre_options): New member.
5791         * options.cc (gold::options::ready_to_register): New variable.
5792         (One_option::register_option): Do nothing if not registering options.
5793         Assert if same short option registered twice.
5794         (General_options::General_options): Turn off option registration when
5795         done constructing.
5796         (Command_line::Pre_options::Pre_options): New constructor.
5798 2009-08-24  Cary Coutant  <ccoutant@google.com>
5800         * options.h (General_options::no_keep_memory): Remove incorrect
5801         short option.
5803 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5805         * Makefile.am (am__skiplex, am__skipyacc): New.
5806         * Makefile.in: Regenerate.
5808 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5810         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5811         (INCLUDES): ... this.
5812         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5813         (AM_CPPFLAGS): Renamed from ...
5814         (INCLUDE): ... this.
5815         * Makefile.in, testsuite/Makefile.in: Regenerate.
5817         * Makefile.in: Regenerate.
5818         * aclocal.m4: Likewise.
5819         * config.in: Likewise.
5820         * configure: Likewise.
5821         * testsuite/Makefile.in: Likewise.
5823         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5824         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5825         * Makefile.in: Regenerate.
5826         * testsuite/Makefile.in: Regenerate.
5828 2009-08-19  Cary Coutant  <ccoutant@google.com>
5830         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5831         symbols in shared libraries overridden by hidden or internal symbols
5832         in the main program.
5834 2009-08-19  Chris Demetriou  <cgd@google.com>
5836         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5837         checking source file names in error messages.
5839 2009-08-18  Doug Kwan  <dougkwan@google.com>
5841         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5842         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5843         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5844         an elfcpp::Ehdr as parameter.
5845         * object.cc (Object::set_target): Remove the version that looks up
5846         a target and sets it.
5847         (Sized_relobj::setup): Take a Target object instead of
5848         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5849         (make_elf_sized_object): Find target and ask target to
5850         make an ELF object.
5851         * object.h: (Object::set_target): Remove the version that looks up
5852         a target and sets it.
5853         (Sized_relobj::setup): Take a Target object instead of
5854         an elfcpp:Ehdr as parameter.
5855         * target.cc: Include dynobj.h.
5856         (Target::do_make_elf_object_implementation): New.
5857         (Target::do_make_elf_object): New.
5858         * target.h (Target::make_elf_object): New template declaration.
5859         (Target::do_make_elf_object): New method declarations.
5860         (Target::do_make_elf_object_implementation): New template declaration.
5862 2009-08-14  Ian Lance Taylor  <iant@google.com>
5864         * gold.h (FUNCTION_NAME): Define.
5865         (gold_unreachable): Use FUNCTION_NAME.
5867 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5869         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5870         symbol in the --keep-unique list is not found.
5872 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5874         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5875         been maked as --keep-unique.
5876         (Icf::unfold_section): New function.
5877         * icf.h (Icf::unfold_section): New function.
5878         * options.h (General_options::keep_unique): New option.
5879         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5880         * testsuite/Makefile.in: Regenerate.
5881         * testsuite/icf_keep_unique_test.sh: New file.
5882         * testsuite/icf_keep_unique_test.cc: New file.
5884 2009-08-12  Cary Coutant  <ccoutant@google.com>
5886         PR 10471
5887         * resolve.cc (Symbol_table::resolve): Check for references from
5888         dynamic objects to hidden and internal symbols.
5889         * testsuite/Makefile.am (hidden_test.sh): New test.
5890         * testsuite/Makefile.in: Regenerate.
5891         * testsuite/hidden_test.sh: New script.
5892         * testsuite/hidden_test_1.c: New test source.
5893         * testsuite/hidden_test_main.c: New test source.
5895 2009-08-11  Doug Kwan  <dougkwan@google.com>
5897         * arm.cc: Update comments.
5898         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5899         segment to locate the .ARM.exidx section if present.
5901 2009-08-09  Doug Kwan  <dougkwan@google.com>
5903         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5904         patch.
5906 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5907         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5908         compiler warnings.
5910 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5912         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5913         valid tls_segment only for non-debug-section relocations.
5914         * testsuite/Makefile.am: Add gc_tls_test.
5915         * testsuite/Makefile.in: Regenerate.
5916         * testsuite/gc_tls_test.cc: New file.
5917         * testsuite/gc_tls_test.sh: New file.
5919 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5921         * icf.cc: New file.
5922         * icf.h: New file.
5923         * Makefile.am (CCFILES): Add icf.cc.
5924         (HFILES): Add icf.h
5925         * Makefile.in: Regenerate.
5926         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5927         * gc.h (gc_process_relocs): Populate lists used by icf to contain
5928         section, symbol and addend information for the relocs.
5929         * gold.cc (queue_middle_tasks): Call identical code folding.
5930         * gold.h: Add defines for multimap.
5931         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
5932         to the call of finalize_local_symbols.
5933         * main.cc (main): Create object of class Icf.
5934         * object.cc (Sized_relobj::do_layout): Allow this function to be
5935         called twice during icf.
5936         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
5937         to sections marked as identical by icf.
5938         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
5939         when available.
5940         (Sized_relobj::do_section_entsize): New function.
5941         * object.h (Object::section_entsize): New function.
5942         (Object::do_section_entsize): New pure virtual function.
5943         (Relobj::finalize_local_symbols): Add new parameter.
5944         (Relobj::do_section_entsize): New function.
5945         * options.h (General_options::icf): New option.
5946         (General_options::icf_iterations): New option.
5947         (General_options::print_icf_sections): New option.
5948         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
5949         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
5950         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
5951         icf.
5952         * symtab.cc (Symbol_table::is_section_folded): New function.
5953         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
5954         to sections marked as identical by icf.
5955         * symtab.h (Symbol_table::set_icf): New function.
5956         (Symbol_table::icf): New function.
5957         (Symbol_table::is_section_folded): New function.
5958         (Symbol_table::icf_): New data member.
5959         * target-reloc.h (relocate_section): Ignore sections folded by icf.
5960         * testsuite/Makefile.am: Add commands to build icf_test.
5961         * testsuite/Makefile.in: Regenerate.
5962         * testsuite/icf_test.sh: New file.
5963         * testsuite/icf_test.cc: New file.
5965 2009-07-24  Chris Demetriou  <cgd@google.com>
5967         * layout.cc (is_compressible_debug_section): Fix incorrect
5968         comment about compressed section names.
5970 2009-07-20  Ian Lance Taylor  <ian@airs.com>
5972         PR 10419
5973         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
5975 2009-07-16  Ian Lance Taylor  <iant@google.com>
5977         PR 10400
5978         * layout.h: #include <map>.
5979         (class Kept_section): Change from struct to class.  Add accessors
5980         and setters.  Add section size to Comdat_group mapping.  Change
5981         Comdat_group to std::map.  Add is_comdat_ field.  Add
5982         linkonce_size field in union.
5983         (class Layout): Update declaration of find_or_add_kept_section.
5984         Don't declare find_kept_object.
5985         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
5986         parameter.  Add object, shndx, is_comdat, and is_group_name
5987         parameters.  Change all callers.  Adjust for new Kept_section.
5988         (Layout::find_kept_object): Remove.
5989         * object.cc (Sized_relobj::include_section_group): Update use of
5990         Kept_section.  Rename secnum to shndx.  Only record
5991         Kept_comdat_section if sections are the same size.
5992         (Sized_relobj::include_linkonce_section): Update use of
5993         Kept_section.  Only record Kept_comdat_section if sections are the
5994         same size.  Set size of linkonce section.
5995         (Sized_relobj::map_to_kept_section): Update call to
5996         get_kept_comdat_section.
5997         * object.h (class Sized_relobj): Rename fields in
5998         Kept_comdat_section to drop trailing underscores; change object
5999         field to Relobj*.  Change Kept_comdat_section_table to store
6000         struct rather than pointer.
6001         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
6002         Add kept_object and kept_shndx parameters.  Change all callers.
6003         (Sized_relobj::get_kept_comdat_section): Change return type to
6004         bool.  Add kept_object and kept_shndx parameters.  Change all
6005         callers.
6006         * plugin.cc (Pluginobj::include_comdat_group): Update call to
6007         Layout::find_or_add_kept_section.
6009 2009-07-09  Ian Lance Taylor  <iant@google.com>
6011         * merge.cc (Object_merge_map::initialize_input_to_output_map):
6012         Reserve space in the hash table.
6014 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
6016         * fileread.cc (File_read::get_mtime): New method.
6017         * fileread.h (Timespec): New structure.
6018         (File_read::get_mtime): New method.
6019         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
6020         Renamed from timestamp_nsec.
6021         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
6022         Elf_Xword.
6023         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
6024         timestamp_nsec.
6025         (Incremental_inputs::report_archive): Save mtime; style fix.
6026         (Incremental_inputs::report_obejct): Save mtime; style fix.
6027         (Incremental_inputs::report_script): Save mtime; style fix.
6028         (Incremental_inputs::finalize_inputs): Style fix.
6029         (Incremental_inputs::finalize): Style fix.
6030         (Incremental_inputs::create_input_section_data): Store inputs
6031         mtime.
6032         * incremental.h (Incremental_inputs::report_script): Add mtime
6033         argument.
6034         (Incremental_inputs::Input_info::Input_info): Intialize only one
6035         union member.
6036         (Incremental_inputs::Input_info::archive): Move to nameless
6037         union.
6038         (Incremental_inputs::Input_info::obejct): Move to nameless union.
6039         (Incremental_inputs::Input_info::script): Move to nameless union.
6040         (Incremental_inputs::mtime): New field.
6041         * script.cc (read_input_script): Pass file mtime to
6042         Incremental_input.
6043         * script.h (Script_info::inputs): Style fix.
6045 2009-07-01  Ian Lance Taylor  <ian@airs.com>
6047         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
6048         instead of 32.
6050 2009-06-24  Ian Lance Taylor  <iant@google.com>
6052         PR 10156
6053         * layout.cc (Layout::choose_output_section): If we find an
6054         existing section, update the flags.
6055         (Layout::create_notes): New function, broken out of
6056         Layout::finalize.
6057         (Layout::finalize): Don't create note sections.
6058         (Layout::create_note): Don't crash if linker script discards
6059         section.
6060         (Layout::create_gold_note): Likewise.
6061         (Layout::create_build_id): Likewise.  Don't set
6062         after_input_sections on the section.
6063         (Layout::create_executable_stack_info): Remove target parameter.
6064         Change caller.
6065         * layout.h (class Layout): Declare create_notes.  Update
6066         declaration of create_executable_stack_info.
6067         * gold.cc (queue_middle_tasks): Call create_notes.
6068         * output.cc (Output_section::update_flags_for_input_section): Move
6069         here from output.h.  If SHF_ALLOC flag is newly set, mark address
6070         invalid.
6071         * output.h (Output_data::mark_address_invalid): New function.
6072         (class Output_section): Only declare, not define,
6073         update_flags_for_input_section.  Remove set_flags.
6075 2009-06-24  Ian Lance Taylor  <iant@google.com>
6077         * script-sections.cc (Output_section_definition::
6078         set_section_addresses): Rename shadowing local load_address to
6079         laddr.
6081 2009-06-24  Ian Lance Taylor  <iant@google.com>
6083         PR 10244
6084         * reloc.cc (relocate_sections): Skip empty relocation sections.
6086 2009-06-23  Ian Lance Taylor  <iant@google.com>
6088         PR 10156
6089         * layout.cc (Layout::create_note): Use choose_output_section
6090         rather than make_output_section.
6092 2009-06-23  Ian Lance Taylor  <iant@google.com>
6094         PR 10237
6095         * options.cc (General_options::parse_V): Set printed_version_.
6096         (General_options::General_options): Initialize printed_version_.
6097         * options.h (class General_options): Add printed_version_ field.
6098         * gold.cc (queue_initial_tasks): If there are no input files,
6099         don't give a fatal error if we printed the version information.
6100         (queue_middle_tasks): If using -r with a shared object, give a
6101         fatal error rather than an ordinary error.
6103 2009-06-23  Ian Lance Taylor  <iant@google.com>
6105         PR 10219
6106         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
6107         (Layout::make_output_section): Set have_stabstr_section_ if we see
6108         a .stab*str section.
6109         (Layout::finalize): Call link_stabs_sections.
6110         (Layout::link_stabs_sections): New file.
6111         * layout.h (class Layout): Add have_stabstr_section_ field.
6112         Declare link_stabs_sections.
6114 2009-06-23  Doug Kwan  <dougkwan@google.com>
6116         * Makefile.am (libgold_a_LIBADD): New.
6117         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6118         * Makefile.in: Regenerate.
6119         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6120         * configure: Regenerate.
6121         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6122         * fileread.cc: Include sys/state.h
6123         * gold.h: Declare memmem and strndup if found missing.
6124         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6126 2009-06-23  Ian Lance Taylor  <iant@google.com>
6128         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6129         * configure: Rebuild.
6131 2009-06-23  Ian Lance Taylor  <iant@google.com>
6133         PR 10147
6134         * object.cc (Object::section_contents): Don't try to get a view if
6135         the section has length zero.
6136         (Object::handle_gnu_warning_section): If the section is empty, use
6137         the name of the section as the warning.
6139 2009-06-23  Ian Lance Taylor  <iant@google.com>
6141         PR 10133
6142         * stringpool.h (class Stringpool_template): Add optimize_ field.
6143         (Stringpool_template::set_optimize): New function.
6144         * stringpool.cc (Stringpool_template::Stringpool_template):
6145         Initialize optimize_ field.
6146         (Stringpool_template::set_string_offsets): Test local optimize
6147         fild rather than parameter.
6148         * layout.cc (Layout::Layout): Call set_optimize on the section
6149         name stringpool.
6151 2009-06-22  Ian Lance Taylor  <iant@google.com>
6153         PR 10030
6154         * yyscript.y: Parse TARGET.
6155         * script.cc (script_set_target): New function.
6156         * script-c.h (script_set_target): Declare.
6157         * options.cc (General_options::string_to_object_format): Rename
6158         from string_to_object_format in anonymous namespace.  Change
6159         callers.
6160         * options.h (class General_options): Declare
6161         string_to_object_format.
6163 2009-06-22  Ian Lance Taylor  <iant@google.com>
6165         * script-sections.cc (Script_sections::create_segments): Don't put
6166         program headers in a PT_LOAD segment if -n or -N.
6168 2009-06-22  Ian Lance Taylor  <iant@google.com>
6170         PR 10141
6171         * options.h (class General_options): Add -z lazy and -z now.  Sort
6172         -z options into alphabetical order.
6173         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6175 2009-06-21  Ian Lance Taylor  <iant@google.com>
6177         * layout.cc (Layout::make_output_section): Call
6178         Target::new_output_section.
6179         (Layout::attach_allocated_section_to_segment): Put large section
6180         sections in a separate load segment with the large segment flag
6181         set.
6182         (Layout::segment_precedes): Sort large data segments after other
6183         load segments.
6184         (align_file_offset): New static function.
6185         (Layout::set_segment_offsets): Use align_file_offset.
6186         * output.h (class Output_section): Add is_small_section_ and
6187         is_large_section_ fields.
6188         (Output_section::is_small_section): New function.
6189         (Output_section::set_is_small_section):  New function.
6190         (Output_section::is_large_section): New function.
6191         (Output_section::set_is_large_section): New function.
6192         (Output_section::is_large_data_section): New function.
6193         (class Output_segment): Add is_large_data_segment_ field.
6194         (Output_segment::is_large_data_segment): New function.
6195         (Output_segment::set_is_large_data_segment): New function.
6196         * output.cc (Output_section::Output_section): Initialize new
6197         fields.
6198         (Output_segment::Output_segment): Likewise.
6199         (Output_segment::add_output_section): Add assertion that large
6200         data sections always go in large data segments.  Force small data
6201         sections to the end of the list of data sections.  Force small BSS
6202         sections to the start of the list of BSS sections.  For large BSS
6203         sections to the end of the list of BSS sections.
6204         * symtab.h (class Symbol): Declare is_common_shndx.
6205         (Symbol::is_defined): Check Symbol::is_common_shndx.
6206         (Symbol::is_common): Likewise.
6207         (class Symbol_table): Define enum Commons_section_type.  Update
6208         declarations.  Add small_commons_ and large_commons_ fields.
6209         * symtab.cc (Symbol::is_common_shndx): New function.
6210         (Symbol_table::Symbol_table): Initialize new fields.
6211         (Symbol_table::add_from_object): Put small and large common
6212         symbols in the right list.
6213         (Symbol_table::sized_finalized_symbol): Check
6214         Symbol::is_common_shndx.
6215         (Symbol_table::sized_write_globals): Likewise.
6216         * common.cc (Symbol_table::do_allocate_commons): Allocate new
6217         common symbol lists.  Don't call do_allocate_commons_list if the
6218         list is empty.
6219         (Symbol_table::do_allocate_commons_list): Remove is_tls
6220         parameter.  Add comons_section_type parameter.  Change all
6221         callers.  Handle small and large common symbols.
6222         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
6223         Symbol::is_common_shndx.
6224         * resolve.cc (symbol_to_bits): Likewise.
6225         * target.h (Target::small_common_shndx): New function.
6226         (Target::small_common_section_flags): New function.
6227         (Target::large_common_shndx): New function.
6228         (Target::large_common_section_flags): New function.
6229         (Target::new_output_section): New function.
6230         (Target::Target_info): Add small_common_shndx, large_common_shndx,
6231         small_common_section_flags, and large_common_section_flags
6232         fields.
6233         (Target::do_new_output_section): New virtual function.
6234         * arm.cc (Target_arm::arm_info): Initialize new fields.
6235         * i386.cc (Target_i386::i386_info): Likewise.
6236         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6237         Likewise.
6238         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
6239         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6240         (Target_x86_64::do_new_output_section): New function.
6241         * configure.ac: Define conditional MCMODEL_MEDIUM.
6242         * testsuite/Makefile.am (check_PROGRAMS): Add large.
6243         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
6244         (large_LDFLAGS): Define.
6245         * testsuite/large.c: New file.
6246         * testsuite/testfile.cc (Target_test::test_target_info):
6247         Initialize new fields.
6248         * configure, testsuite/Makefile.in: Rebuild.
6250 2009-06-05  Doug Kwan  <dougkwan@google.com>
6252         * Makefile.am (CCFILES): Add target.cc.
6253         * Makefile.in: Regenerate.
6254         * i386.cc (class Target_i386): Define new virtual method to
6255         override do_is_local_label_name in parent.
6256         * object.cc (Sized_relobj::do_count_local_symbols): Discard
6257         local symbols if --discard-locals or -X is given.
6258         * options.h (class General_options): Declare new options
6259         '--discard-locals' and '-X' for discarding locals.
6260         * target.h (class Target): Define new methods is_local_label_name.
6261         Declare new virtual method do_is_local_label_name.
6262         * target.cc: New file.
6263         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
6264         (check_SCRIPTS): Add discard_locals_test.sh.
6265         (check_DATA): Add discard_local_tests.syms.
6266         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
6267         (discard_local_tests.syms, discard_locals_test.o): New make rules.
6268         * testsuite/Makefile.in: Regenerate.
6269         * testsuite/discard_locals_test.c: New file.
6270         * testsuite/discard_locals_test.sh: Same.
6272 2009-06-05  Doug Kwan  <dougkwan@google.com>
6274         * object.cc (Sized_relobj::Sized_relobj): Initialize
6275         discarded_eh_frame_shndx_ to -1U.
6276         (Sized_relobj::do_layout): Record index of a discard .eh_frame
6277         section.
6278         (Sized_relobj::do_count_local_symbols): Skip local symbols in
6279         a discarded .eh_frame section.
6280         (Sized_relobj::do_finalize_local_symbols): Ditto.
6281         * object.h (class Sized_relobj): Declare new member
6282         discarded_eh_frame_shndx_.
6283         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
6284         (local_labels_test.o, local_labels_test): New rules.
6285         * testsuite/Makefile.in: Regenerate.
6287 2009-06-04  Doug Kwan  <dougkwan@google.com>
6289         * layout.cc (Layout::section_name_mapping): Add mapping for
6290         special ARM sections.
6292 2009-06-03  Doug Kwan  <dougkwan@google.com>
6294         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
6295         (utils::has_overflow): Same.
6297 2009-06-03  Ian Lance Taylor  <iant@google.com>
6299         * layout.cc (Layout::section_name_mapping): New array, replacing
6300         Layout::linkonce_mapping.
6301         (Layout::section_name_mapping_count): New variable, replacing
6302         Layout::linkonce_mapping_count.
6303         (Layout::linkonce_output_name): Remove.
6304         (Layout::output_section_name): Rewrite.
6305         * layout.h (class Layout): Rename Linkonce_mapping to
6306         Section_name_mapping, linkonce_mapping to section_name_mapping,
6307         linkonce_mapping_count to section_name_mapping_count.  Don't
6308         declare linkonce_output_name.
6310 2009-06-03  Doug Kwan  <dougkwan@google.com>
6312         * gold/arm.cc (namespace utils): New.
6313         (Target_arm::reloc_is_non_pic): Define new method.
6314         (class Arm_relocate_functions): New.
6315         (Target_arm::Relocate::relocate): Handle relocation types used by
6316         Android.
6318 2009-06-03  Ian Lance Taylor  <iant@google.com>
6320         * arm.cc (Target_arm::scan::global): Use || instead of |.
6322 2009-06-02  Doug Kwan  <dougkwan@google.com>
6324         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
6325         issued_non_pic_error_.
6326         (class Target_arm::Scan): Declare new method check_non_pic.
6327         Define new method symbol_needs_plt_entry.
6328         Declare new data member issued_non_pic_error_.
6329         (class Target_arm::Relocate): Declare new method
6330         should_apply_static_reloc.
6331         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
6332         (Target_arm::Scan::check_non_pic): Define new method.
6333         (Target_arm::Scan::local): Handle a small subset of reloc types used
6334         by Android.
6335         (Target_arm::Scan::local): Same.
6336         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
6338 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
6340         * incremental.cc (Incremental_inputs::report_command_line): Filter
6341         out --incremental-* options.
6343 2009-05-29  Doug Kwan  <dougkwan@google.com>
6345         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
6346         template class.
6347         (class Target_arm): Update comment.
6348         (Target_arm::Target_arm): Initialize new data members GOT_,
6349         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
6350         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
6351         and Target_arm::rel_dyn_section.
6352         Declare new_enum Target_arm::Got_type.
6353         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
6354         and DYNBSS_.
6355         Update commments for member do_dynsym_value.
6356         (Target_arm::got_size, Target_arm::plt_section,
6357         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
6358         new methods inside class defintion.
6359         (Target_arm::got_section): Define new method.
6360         (Target_arm::rel_dyn_section): Same.
6361         (Output_data_plt_arm): New template class.
6362         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
6363         (Output_data_plt_arm:do_adjust_output_section): Define new method.
6364         (Output_data_plt_arm::add_entry): Same.
6365         (Output_data_plt_arm::first_plt_entry): Define new
6366         static data member for PLT instruction template.
6367         (Output_data_plt_arm::plt_entry): Same.
6368         (Output_data_plt_arm::do_write): Define new method.
6369         (Target_arm::make_plt_entry): Same.
6370         (Target_arm::do_finalize_sections): Same.
6371         (Target_arm::do_dynsym_value): Same.
6373 2009-05-28  Doug Kwan  <dougkwan@google.com>
6375         * Makefile.am (TARGETSOURCES): Add arm.cc.
6376         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6377         * Makefile.in: Regenerate.
6378         * arm.cc: New file.
6379         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6381 2009-05-26  Doug Kwan  <dougkwan@google.com>
6383         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6384         (General_options::check_excluded_libs): Strip off directories in
6385         archive name before matching like GNU ld does.
6386         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6387         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6388         (exclude_libs_test_LDFLAGS): Add linker option
6389         -Wl,--exclude-libs,libexclude_libs_test_3
6390         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6391         an explicit archive without using -l.
6392         (alt/libexclude_libs_test_3.a): New make rule.
6393         * testsuite/Makefile.in: Regenerate.
6394         * testsuite/exclude_libs_test.c : Declare lib3_default().
6395         (main): Call it.
6396         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6397         * exclude_libs_test_3.c: New file.
6399 2009-05-26  Nick Clifton  <nickc@redhat.com>
6401         * po/id.po: New Indonesian translation.
6402         * po/gold.pot: Updated template file.
6404 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6406         * testsuite/Makefile.am: Add -ffunction-sections to compile
6407         gc_comdat_test files.  Add -Wl,--gc-sections to build
6408         gc_comdat_test.
6409         * testsuite/Makefile.in: Regenerate.
6410         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6412 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6414         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6415         kept comdat section was garbage collected.
6416         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6417         * testsuite/Makefile.in: Regenerate.
6418         * testsuite/gc_comdat_test.sh: New file.
6419         * testsuite/gc_comdat_test_1.cc: New file.
6420         * testsuite/gc_comdat_test_2.cc: New file.
6422 2009-05-19  Doug Kwan  <dougkwan@google.com>
6424         * archive.cc (Archive::Archive): Move constructor from archive.h
6425         to here.  Initialize no_export_.
6426         (Archive::get_elf_object_for_member): Set no_export flag of object.
6427         * archive.h (Archive::Archive): Move constructor body to
6428         archive.cc.
6429         (Archive::no_export): New method.
6430         (Archive::no_export_): New field.
6431         * object.h (Object::Object): Initialize no_export_ to false.
6432         (Object::no_export, Object::set_no_export): New methods.
6433         (Object::no_export_): New field.
6434         * options.cc (General_options::parse_exclude_libs): New method.
6435         (General_options::check_excluded_libs) Same.
6436         * options.h (exclude_libs): New option.
6437         (General_options::check_excluded_libs): New method declaration.
6438         (General_options::excluded_libs_): New field.
6439         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6440         default or protected visibility if an object has no-export flag set.
6441         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6442         (check_SCRIPTS): Add exclude_libs_test.sh.
6443         (check_DATA): Add exclude_libs_test.syms.
6444         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6445         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6446         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6447         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6448         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6449         libexclude_libs_test_2.a): New rules.
6450         * testsuite/Makefile.in: Regenerate.
6451         * testsuite/exclude_libs_test.c: New file.
6452         * testsuite/exclude_libs_test.sh: Ditto.
6453         * testsuite/exclude_libs_test_1.c: Ditto.
6454         * testsuite/exclude_libs_test_2.c: Ditto.
6456 2009-05-15  Ian Lance Taylor  <iant@google.com>
6458         * configure.ac: Check for declarations for cases where libiberty.h
6459         checks HAVE_DECL_xxx.
6460         * configure, config.in: Rebuild.
6462 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6464         * gold.h (Incremental_argument_list): Remove (invalid) forward
6465         declaration.
6466         * incremental.cc (Incremental_inputs::report_achive): New method.
6467         (Incremental_inputs::report_object): New method.
6468         (Incremental_inputs::report_script): New method.
6469         (Incremental_inputs::finalize_inputs): New method.
6470         (Incremental_inputs::finalize): Call finalize_inputs().
6471         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6472         Create inputs entries.
6473         * incremental.h (Incremental_input_type): New enum.
6474         (Incremental_inputs::Incremental_input): Initialize new fields.
6475         (Incremental_inputs::report_inputs): New method.
6476         (Incremental_inputs::report_achive): New method.
6477         (Incremental_inputs::report_object): New method.
6478         (Incremental_inputs::report_script): New method.
6479         (Incremental_inputs::finalize_inputs): New method.
6480         (Incremental_inputs::Input_info): New struct.
6481         (Incremental_inputs::Input_info_map): New typedef.
6482         (Incremental_inputs::lock_): New field.
6483         (Incremental_inputs::Inputs_): New field.
6484         (Incremental_inputs::Inputs_map): New field.
6485         * main.cc (main): Call Incremental_input::report_inputs.
6486         * options.h (Input_argument_list): Typedef moved from
6487         Input_arguments.
6488         (Input_file_group::Files): Remove, use ::Input_argument_list.
6489         (Input_file_group::Input_argument_list): Remove, use
6490         ::Input_argument_list.
6491         * plugin.cc (Plugin_manager::add_input_file): Add error in
6492         incremental build.
6493         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6494         functions.
6495         * script.cc (read_input_script): Call
6496         Incremental_input::report_script.
6497         * script.h (Script_info): New class.
6499 2009-04-27  Ian Lance Taylor  <iant@google.com>
6501         * x86_64.cc (do_adjust_output_section): Set entsize to
6502         plt_entry_size.
6504 2009-04-23  Elliott Hughes  <enh@google.com>
6506         * output.cc (Output_file::close): After short writes, continue
6507         writing from the correct offset in the buffer being written.
6509 2009-04-23  Chris Demetriou  <cgd@google.com>
6511         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6512         * configure: Regenerate.
6513         * config.in: Regenerate.
6514         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6515         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6517 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6519         * incremental.cc (Incremental_inputs_header_data): Renamed from
6520         Incremental_input_header_data.
6521         (Incremental_inputs_header_data::data_size): New field.
6522         (Incremental_inputs_header_data::put_input_file_count): Renamed
6523         from input_file_count.
6524         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6525         from command_line_offset.
6526         (Incremental_inputs_header_data::put_reserved): Renamed from
6527         put_reserved.
6528         (Incremental_inputs_entry_data): Renamed from
6529         Incremental_input_entry_data.
6530         (Incremental_inputs_entry_data::data_size): New field.
6531         (Incremental_inputs::report_command_line): New method.
6532         (Incremental_inputs::finalize): New method.
6533         (Incremental_inputs::create_incremental_inputs_data): New method.
6534         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6535         * incremental.h: New file.
6536         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6537        (Layout::finalize): Create incremental inputs section in
6538         incremental builds.
6539        (Layout::create_incremental_info_sections): New method.
6540         * layout.h (Layout::incremental_inputs): New method.
6541        (Layout::create_incremental_info_sections): New method.
6542        (Layout::incremental_inputs_): New field.
6543         * main.cc (main): Notify Incremental_input of the command line.
6545 2009-04-01  Ian Lance Taylor  <iant@google.com>
6546             Mikolaj Zalewski  <mikolajz@google.com>
6548         * gold.h (reserve_unordered_map): Define, three versions, one for
6549         each version of Unordered_map.
6550         * layout.cc (Layout::Layout): Remove options parameter.  Add
6551         number_of_input_files parameter.  Don't initialize options_.
6552         Initialize number_of_input_files_ and resized_signatures_.  Move
6553         sections_are_attached_.
6554         (Layout::layout_group): Reserve space for group_signatures_.
6555         (Layout::find_or_add_kept_section): Change name parameter to be a
6556         reference.  Resize signatures_ map when it gets large enough.
6557         (Layout::layout_eh_frame): Use parameters->options() instead of
6558         this->options_.
6559         (Layout::make_output_section): Likewise.
6560         (Layout::attach_allocated_section_to_segment): Likewise.
6561         (Layout::finalize, Layout::create_executable_stack): Likewise.
6562         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6563         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6564         * layout.h (class Layout): Update declarations.  Remove options_
6565         field.  Add number_of_input_files_ and resized_signatures_
6566         fields.  Move sections_are_attached_ field.
6567         * main.cc (main): Pass number of input files to Layout
6568         constructor.  Don't pass options.
6570 2009-03-30  Ian Lance Taylor  <iant@google.com>
6572         * ffsll.c (ffsll): Correct implementation.
6574 2009-03-27  Ian Lance Taylor  <iant@google.com>
6576         * ffsll.c: New file.
6577         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6578         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6579         * ftruncate.c (ftruncate): Declare before definition.
6580         * mremap.c (mremap): Likewise.
6581         * pread.c (pread): Likewise.
6582         * configure, Makefile.in, config.in: Rebuild.
6584         * mremap.c: New file.
6585         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6586         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6587         (mremap): Declare if HAVE_MREMAP is not defined.
6588         * configure, Makefile.in, config.in: Rebuild.
6590 2009-03-27  Cary Coutant  <ccoutant@google.com>
6592         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6593         position independent.
6594         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6595         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6597 2009-03-24  Cary Coutant  <ccoutant@google.com>
6599         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6600         an executable.
6601         (needs_dynamic_reloc): Likewise.
6603 2009-03-24  Ian Lance Taylor  <iant@google.com>
6605         * yyscript.y (file_cmd): Recognize EXTERN.
6606         (extern_name_list, extern_name_list_body): New nonterminals.
6607         * script.cc (script_add_extern): Define.
6608         * script-c.h (script_add_extern): Declare.
6610 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6612         * object.cc (is_elf_object): Define.
6613         * object.h (is_elf_object): Declare.
6614         * archive.cc (Archive::get_elf_object_for_member): Call
6615         is_elf_object.
6616         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6618 2009-03-24  Elliott Hughes  <enh@google.com>
6620         * output.cc (Output_file::map_anonymous): Define.
6621         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6622         try an anonymous one.  Report the size if the mmap fails.
6623         * output.h (class Output_file): Declare map_anonymous.
6625 2009-03-24  Ian Lance Taylor  <iant@google.com>
6627         * target-select.cc (instantiate_target): Don't acquire the lock if
6628         the instantiated_target_ field has already been set.
6630 2009-03-23  Ian Lance Taylor  <iant@google.com>
6632         * gold-threads.h (class Initialize_lock): Define.
6633         * gold-threads.cc (class Initialize_lock_once): Define.
6634         (initialize_lock_control): New static variable.
6635         (initialize_lock_pointer): New static variable.
6636         (initialize_lock_once): New static function.
6637         (Initialize_lock::Initialize_lock): Define.
6638         (Initialize_lock::initialize): Define.
6639         * target-select.h: Include "gold-threads.h".
6640         (class Target_selector): Add lock_ and initialize_lock_ fields.
6641         Don't define instantiate_target, just declare it.
6642         * target-select.cc (Target_selector::Target_selector): Initialize
6643         new fields.
6644         (Target_selector::instantiate_target): Define.
6645         * descriptors.h: Include "gold-threads.h".
6646         (class Descriptors): Add initialize_lock_ field.
6647         * descriptors.cc (Descriptors::Descriptors): Initialize new
6648         field.
6649         (Descriptors::open): Use initialize_lock_ field
6650         * errors.h (class Errors): Add initialize_lock_ field.
6651         * errors.cc (Errors::Errors): Initialize new field.
6652         (Errors::initialize_lock): Use initialize_lock_ field.
6653         * powerpc.cc (class Target_selector_powerpc): Remove
6654         instantiated_target_ field.  In do_recognize call
6655         instantiate_target rather than do_instantiate_target.  In
6656         do_instantiate_target just allocate a new target.
6657         * sparc.cc (class Target_selector_sparc): Likewise.
6659         * freebsd.h: New file.
6660         * i386.cc: Include "freebsd.h".
6661         (Target_i386): Derive from Target_freebsd rather than
6662         Sized_target.
6663         (Target_selector_i386): Derive from Target_selector_freebsd rather
6664         than Target_selector.
6665         * x86_64.cc: Include "freebsd.h".
6666         (Target_x86_64): Derive from Target_freebsd rather than
6667         Sized_target.
6668         (Target_selector_x86_64): Derive from Target_selector_freebsd
6669         rather than Target_selector.
6670         * target.h (class Target): Add adjust_elf_header and
6671         do_adjust_elf_header.
6672         * output.cc (Output_file_header:: do_sized_write): Call target
6673         adjust_elf_header routine.
6674         * configure.tgt: Set targ_osabi.
6675         * configure.ac: Define GOLD_DEFAULT_OSABI.
6676         * parameters.cc (Parameters::default_target): Pass
6677         GOLD_DEFAULT_OSABI to select_target.
6678         * target-select.h (class Target_selector): Make instantiate_target
6679         protected rather than private.
6680         * Makefile.am (HFILES): Add freebsd.h.
6681         * configure, Makefile.in, config.in: Rebuild.
6683         * merge.cc (do_add_input_section): Correct pend value.  Change
6684         message about last entry not being null terminated from error to
6685         warning.
6687 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6689         * incremental.cc: New file.
6690         * Makefile.am (CCFILES): Add incremental.cc.
6691         * Makefile.in: Rebuild.
6693 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6695         * layout.cc (Layout::output_section_name): Preserve names
6696         of '.note.' sections.
6698 2009-03-19  Ian Lance Taylor  <iant@google.com>
6700         * descriptors.cc (Descriptors::open): Check that the options are
6701         valid before using them.
6703 2009-03-18  Ian Lance Taylor  <iant@google.com>
6705         * script-sections.h: Include <list>.
6706         (class Script_sections): Change Sections_elements from std::vector
6707         to std::list.  Typedef public Elements_iterator.  Add
6708         orphan_section_placement_, data_segment_align_start_, and
6709         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6710         field.
6711         * script-sections.cc (class Orphan_section_placement): New class.
6712         (class Sections_element): Add virtual functions is_relro and
6713         orphan_section_init.  Remove virtual function place_orphan_here.
6714         (class Output_section_definition): Add is_relro and
6715         orphan_section_init.  Remove place_orphan_here.
6716         (class Orphan_output_section): Likewise.
6717         (Script_sections::Script_sections): Update for field changes.
6718         (Script_sections::data_segment_align): Set saw_data_segment_align_
6719         and data_segment_align_start_, not data_segment_align_index.
6720         (Script_sections::data_segment_relro_end): Check
6721         saw_data_segment_align_.  Use data_segment_align_start_ rather
6722         than data_segment_align_index_.
6723         (Script_sections::place_orphan): Rewrite to use
6724         Orphan_section_placement.
6726 2009-03-17  Ian Lance Taylor  <iant@google.com>
6728         * archive.cc (Archive::add_symbols): Check for a version attached
6729         to the symbol name in the archive map.
6730         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6731         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6732         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6733         (ver_test_11.a): New target.
6734         * testsuite/Makefile.in: Rebuild.
6736         * configure.ac: Check for chsize and posix_fallocate.  Replace
6737         ftruncate.
6738         * ftruncate.c: New file, from gnulib.
6739         * output.cc (posix_fallocate): Define dummy version if not
6740         HAVE_POSIX_FALLOCATE.
6741         (Output_file::map): Call posix_fallocate rather than lseek and
6742         write.
6743         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6744         * configure, Makefile.in, config.in: Rebuild.
6746 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6748         * layout.h (Layout::create_note): Add section_name parameter.
6749         * layout.cc (Layout::create_note): Likewise.
6750         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6752 2009-03-17  Ian Lance Taylor  <iant@google.com>
6754         * descriptors.cc: Include "options.h".
6755         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6756         (Descriptors::open): Always use O_CLOEXEC when opening a new
6757         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6758         then set FD_CLOEXEC.
6760         * sparc.cc (class Target_sparc): Add has_got_section.
6761         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6762         make sure we have a GOT section.
6764         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6765         (Target_sparc::Scan::local): Likewise.
6766         (Target_sparc::Scan::global): Likewise.
6767         (Target_sparc::Relocate::relocate): Likewise.
6768         (Target_sparc::Relocate::relocate_tls): Likewise.
6770         * symtab.cc (Symbol_table::define_default_version): New function,
6771         broken out of add_from_object.
6772         (Symbol_table::add_from_object): Call define_default_version.
6773         (Symbol_table::define_special_symbol): Add resolve_oldsym
6774         parameter.  Change all callers.  If the version for a symbol comes
6775         from a version script, resolve it with the symbol with the same
6776         name with no version.  Also add the symbol without a version if
6777         appropriate.
6778         (do_define_in_output_data): If resolving with oldsym, don't delete
6779         sym.
6780         (do_define_in_output_segment): Likewise.
6781         (do_define_as_constant): Likewise.
6782         * symtab.h (class Symbol_table): Update declarations.
6784 2009-03-13  Ian Lance Taylor  <iant@google.com>
6786         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6787         (Read_symbols::requeue): New function.
6788         (Read_symbols::do_read_symbols): If make_elf_object fails because
6789         the target type is not configured, and the file was searched for,
6790         issue a warning and retry with the next directory.
6791         (Add_symbols::run): If the file has an incompatible format, and
6792         it was searched for, requeue the Read_symbols task.  On error,
6793         release the object.
6794         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6795         dirindex parameter to constructor.  Change all callers.  Declare
6796         incompatible_warning and requeue.
6797         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6798         input_argument_ and input_group_ fields.  Add them to
6799         constructor.  Change all callers.
6800         (class Read_script): Add dirindex_ field.  Add it to constructor.
6801         Change all callers.
6802         * archive.cc (Archive::setup): Remove input_objects parameter.
6803         Change all callers.
6804         (Archive::get_file_and_offset): Likewise.
6805         (Archive::read_all_symbols): Likewise.
6806         (Archive::read_symbols): Likewise.
6807         (Archive::get_elf_object_for_member): Remove input_objects
6808         parameter.  Add punconfigured parameter.  Change all callers.
6809         (Archive::add_symbols): Change return type to bool.  Check return
6810         value of include_member.
6811         (Archive::include_all_members): Likewise.
6812         (Archive::include_member): Change return type to bool.  Return
6813         false if first included object has incompatible target.  Set
6814         included_member_ field.
6815         (Add_archive_symbols::run): If add_symbols returns false, requeue
6816         Read_symbols task.
6817         * archive.h (class Archive): Add included_member_ field.
6818         Initialize it in constructor.  Add input_file and searched_for
6819         methods.  Update declarations.
6820         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6821         input_argument_ fields.  Add them to constructor.  Change all
6822         callers.
6823         * script.cc: Include "target-select.h".
6824         (class Parser_closure): Add skip_on_incompatible_target_ and
6825         found_incompatible_target_ fields.  Add
6826         skip_on_incompatible_target parameter to constructor.  Change all
6827         callers.  Add methods skip_on_incompatible_target,
6828         clear_skip_on_incompatible_target, found_incompatible_target, and
6829         set_found_incompatible_target.
6830         (read_input_script): Add dirindex parameter.  Change all callers.
6831         If parser finds an incompatible target, requeue Read_symbols
6832         task.
6833         (script_set_symbol): Clear skip_on_incompatible_target in
6834         closure.
6835         (script_add_assertion, script_parse_option): Likewise.
6836         (script_start_sections, script_add_phdr): Likewise.
6837         (script_check_output_format): New function.
6838         * script.h (read_input_script): Update declaration.
6839         * script-c.h (script_check_output_format): Declare.
6840         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6841         (ignore_cmd): Remove OUTPUT_FORMAT.
6842         * fileread.cc (Input_file::Input_file): Add explicit this.
6843         (Input_file::will_search_for): New function.
6844         (Input_file::open): Add pindex parameter.  Change all callers.
6845         * fileread.h (class Input_file): Add input_file_argument method.
6846         Declare will_search_for.  Update declarations.
6847         * object.cc (make_elf_object): Add punconfigured parameter.
6848         Change all callers.
6849         * object.h (class Object): Make input_file public.  Add
6850         searched_for method.
6851         (make_elf_object): Update declaration.
6852         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6853         restart search.
6854         * dirsearch.h (class Dirsearch): Update declaration.
6855         * options.h (class General_options): Add --warn-search-mismatch.
6856         * parameters.cc (Parameters::is_compatible_target): New function.
6857         * parameters.h (class Parameters): Declare is_compatible_target.
6858         * workqueue.cc (Workqueue::add_blocker): New function.
6859         * workqueue.h (class Workqueue): Declare add_blocker.
6861         * fileread.cc (Input_file::open): Remove options parameter.
6862         Change all callers.
6863         (Input_file::open_binary): Likewise.
6864         * script.cc (read_input_script): Likewise.
6865         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6866         options parameter from constructor.  Change all callers.
6867         (class Read_script): Likewise.
6868         * fileread.h (class Input_file): Update declarations.
6869         * script.h (read_input_script): Update declaration.
6871 2009-03-10  Nick Clifton  <nickc@redhat.com>
6873         * po/es.po: New Spanish translation.
6875 2009-03-06  Cary Coutant  <ccoutant@google.com>
6877         * options.cc (parse_short_option): Keep dash_z from registering itself.
6879 2009-03-03  Ian Lance Taylor  <iant@google.com>
6881         PR 9918
6882         * target-reloc.h (relocate_section): Pass output_section to
6883         relocate.
6884         * i386.cc (Target_i386::should_apply_static_reloc): Add
6885         output_section parameter.  Change all callers.
6886         (Target_i386::Relocate::relocate): Add output_section parameter.
6887         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6888         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6889         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6890         * testsuite/two_file_shared.sh: New script.
6891         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6892         (check_DATA): Add two_file_shared.dbg.
6893         (two_file_shared.dbg): New target.
6894         * testsuite/Makefile.in: Rebuild.
6896 2009-03-01  Ian Lance Taylor  <iant@google.com>
6898         * configure.ac: Check for byteswap.h.
6899         * configure: Rebuild.
6900         * config.in: Rebuild.
6902 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6904         * layout.cc (Layout::find_or_add_kept_section): New function.
6905         (Layout::add_comdat): Removed.
6906         * layout.h (struct Kept_section): Move out of class Layout.
6907         Remove trailing underscores from field names.  Add group_sections
6908         field.  Rename group_ field to is_group.  Change all uses.
6909         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6910         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6911         comdat_groups_ field.
6912         (Sized_relobj::include_section_group): Use
6913         find_or_add_kept_section and Kept_section::group_sections.
6914         (Sized_relobj::include_linkonce_section): Likewise.
6915         * object.cc (class Sized_relobj): Don't define Comdat_group or
6916         Comdat_group_table.  Remove find_comdat_group and
6917         add_comdat_group.  Remove comdat_groups_ field.
6918         * plugin.cc (include_comdat_group): Use
6919         Layout::find_or_add_kept_section.
6921 2009-02-28  Ian Lance Taylor  <iant@google.com>
6923         * README: --gc-sections and map files are now supported.  Document
6924         some build requirements.
6926         PR 6992
6927         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6928         relocatable link set the value of the section symbol to zero.
6929         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
6930         relocatable link don't include the section address in the local
6931         symbol value.
6933 2009-02-27  Ian Lance Taylor  <iant@google.com>
6935         PR 6811
6936         * options.h (class Search_directory): Add is_system_directory.
6937         (class General_options): Declare is_in_system_directory.
6938         * options.cc (get_relative_sysroot): Make static.
6939         (get_default_sysroot): Make static.
6940         (General_optoins::is_in_system_directory): New function.
6941         * fileread.cc (Input_file::is_in_system_directory): New function.
6942         * fileread.h (class Input_file): Declare is_in_system_directory.
6943         * object.h (class Object): Add is_in_system_directory.
6944         (class Input_objects): Remove system_library_directory_ field.
6945         * object.cc (Input_objects::add_object): Don't set
6946         system_library_directory_.
6947         (input_objects::found_in_system_library_directory): Remove.
6948         * symtab.cc (Symbol_table::write_globals): Remove input_objects
6949         parameter.  Change all callers.
6950         (Symbol_table::sized_write_globals): Likewise.
6951         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
6952         Call Object::is_in_system_directory.
6953         * symtab.h (class Symbol_table): Update declarations.
6955         PR 5990
6956         * descriptors.h (Open_descriptor): Add is_on_stack field.
6957         * descriptors.cc (Descriptors::open): If the descriptor is on the
6958         top of the stack, remove it.  Initialize is_on_stack field.
6959         (Descriptors::release): Only add pod to stack if it is not on the
6960         stack already.
6961         (Descriptors::close_some_descriptor): Clear stack_next and
6962         is_on_stack fields.
6964         PR 7091
6965         * output.cc (Output_section::find_starting_output_address): Rename
6966         from starting_output_address; add PADDR parameter; change return
6967         type.
6968         * output.h (class Output_section): Declare
6969         find_starting_output_address instead of starting_output_address.
6970         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
6971         section symbol for which we can't find a merge section.
6973         PR 9836
6974         * symtab.cc (Symbol_table::add_from_object): If the visibility is
6975         hidden or internal, force the symbol to be local.
6976         * resolve.cc (Symbol::override_visibility): Define.
6977         (Symbol::override_base): Use override_visibility.
6978         (Symbol_table::resolve): Likewise.
6979         (Symbol::override_base_with_special): Likewise.
6980         (Symbol_table::override_with_special): If the visibility is hidden
6981         or internal, force the symbol to be local.
6982         * symtab.h (class Symbol): Add set_visibility and
6983         override_visibility.
6984         * testsuite/ver_test_1.sh: New file.
6985         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
6986         (check_DATA): Add ver_test_1.syms.
6987         (ver_test_1.syms): New target.
6988         * testsuite/Makefile.in: Rebuild.
6990 2009-02-25  Cary Coutant  <ccoutant@google.com>
6992         * layout.cc (Layout::choose_output_section): Don't rename sections
6993         when using a linker script that has a SECTIONS clause.
6994         * Makefile.in: Regenerate.
6996         * testsuite/Makefile.am (script_test_5.sh): New test case.
6997         * testsuite/Makefile.in: Regenerate.
6998         * testsuite/script_test_5.cc: New file.
6999         * testsuite/script_test_5.sh: New file.
7000         * testsuite/script_test_5.t: New file.
7002 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
7004         * archive.cc (Archive::include_member): Update calls to add_symbols.
7005         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
7006         the Layout argument.
7007         * dynobj.h (do_add_symbols): Add the Layout argument.
7008         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
7009         Layout argument.
7010         * object.h (Object::add_symbols): Add the Layout argument.
7011         (Object::do_add_symbols): Add the Layout argument.
7012         (Sized_relobj::do_add_symbols): Add the Layout argument.
7013         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
7014         Unify the two versions.
7015         (Add_plugin_symbols): Remove.
7016         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
7017         (Sized_pluginobj::do_add_symbols): Unify the two versions.
7018         (Add_plugin_symbols): Remove.
7019         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
7020         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
7021         (Add_symbols::run): Make it work with Pulginobj.
7023 2009-02-06  Ian Lance Taylor  <iant@google.com>
7025         * object.cc (Sized_relobj::do_layout): Make info message start
7026         with lower case letter.
7028 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
7030         * binary.cc: Fix file comment.
7032         * options.h (enum Incremental_disposition): Define.
7033         (class General_options): Add new options: --incremental,
7034         --incremental_changed, --incremental_unchanged,
7035         --incremental_unknown.  Add incremental_disposition_ and
7036         implicit_incremental_ fields.
7037         (General_options::incremental_disposition): New function.
7038         (class Position_dependent_options): Add incremental_disposition
7039         option.
7040         (Position_dependent_options::copy_from_options): Set incremental
7041         dispositions.
7042         * options.cc (General_options::parse_incremental_changed): New
7043         function.
7044         (General_options::parse_incremental_unchanged): New function.
7045         (General_options::parse_incremental_unknown): New function.
7046         (General_options::General_options): Initialize new fields
7047         incremental_disposition_ and implicit_incremental_.
7048         (General_options::finalize): Check for uasge of --incremental-*
7049         without --incremental.
7051 2009-02-06  Chris Demetriou  <cgd@google.com>
7053         * gold.h (gold_undefined_symbol): Change to take only a Symbol
7054         pointer and to report location as the file name associated with
7055         the symbol.
7056         (gold_undefined_symbol_at_location): New function to replace the
7057         old gold_undefined_symbol functionality.
7058         * target-reloc.h (relocate_section): Update to use
7059         gold_undefined_symbol_at_location.
7060         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7061         Call gold_undefined_symbol function rather than gold_error.
7062         * errors.h (Errors::undefined_symbol): Take location as a
7063         string, rather than calculating it from a relocation.
7064         * errors.cc (Errors::fatal): Print "fatal error:" before the
7065         formatted message.
7066         (Errors::error, Errors::error_at_location): Print "error: "
7067         before the formatted message.
7068         (Errors::undefined_symbol): Take location as a string, rather
7069         than calculating it from a relocation.
7070         (gold_undefined_symbol_at_location): New function akin to
7071         old gold_undefined_symbol, calculates location from relocation.
7072         (gold_undefined_symbol): Change to take only a Symbol pointer
7073         and to report location as the file name associated with the symbol.
7074         * testsuite/debug_msg.sh: Update for changed error messages.
7075         * testsuite/undef_symbol.sh: Likewise.
7077 2009-02-04  Duncan Sands  <baldrick@free.fr>
7079         PR 9812
7080         * reduced_debug_output.h
7081         (Output_reduced_debug_abbrev_section::failed): Use format for
7082         gold_warning.
7083         (Output_reduced_debug_info_section::faild): Likewise.
7085 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
7087         * script.cc (Lazy_demangler): New class.
7088         (Version_script_info::get_symbol_version_helper): Demangle a
7089         symbol only once.
7091 2009-01-29  Cary Coutant  <ccoutant@google.com>
7093         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
7094         to __tls_get_addr.
7095         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7097 2009-01-28  Ian Lance Taylor  <iant@google.com>
7099         * version.cc (version_string): Bump to 1.9.
7101         * gold.h: Include <cstring> and <stdint.h>.
7102         * version.cc: Include <cstdio>.
7103         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
7104         warning.
7105         * reduced_debug_output.cc (insert_into_vector): Rename from
7106         Insert_into_vector; change all callers.  Use Swap_unaligned to
7107         avoid aliasing issue; remove union since it is unnecessary.
7109 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
7111         * Makefile.am (CCFILES): Add gc.cc.
7112         (HFILES): Add gc.h.
7113         * Makefile.in: Regenerate.
7114         * gold.cc (Gc_runner): New class.
7115         (queue_initial_tasks): Call garbage collection related tasks
7116         when corresponding options are invoked.
7117         (queue_middle_gc_tasks): New function.
7118         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7119         processed early before laying out sections during garbage collection.
7120         * gold.h (queue_middle_gc_tasks): New function.
7121         (is_prefix_of): Move from "layout.cc".
7122         * i386.cc (Target_i386::gc_process_relocs): New function.
7123         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7124         * main.cc (main): Create object of class "Garbage_collection".
7125         * object.cc (Relobj::copy_symbols_data): New function.
7126         (Relobj::is_section_name_included): New function.
7127         (Sized_relobj::do_layout): Allow this function to be called twice
7128         during garbage collection and defer layout of section during the
7129         first call.
7130         * object.h (Relobj::get_symbols_data): New function.
7131         (Relobj::is_section_name_included): New function.
7132         (Relobj::copy_symbols_data): New function.
7133         (Relobj::set_symbols_data): New function.
7134         (Relobj::get_relocs_data): New function.
7135         (Relobj::set_relocs_data): New function.
7136         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7137         (Relobj::gc_process_relocs): New function.
7138         (Relobj::do_gc_process_relocs): New pure virtual function.
7139         (Relobj::sd_): New data member.
7140         (Sized_relobj::is_output_section_offset_invalid): New function.
7141         (Sized_relobj::do_gc_process_relocs): New function.
7142         * options.h (General_options::gc_sections): Modify to not be a no-op.
7143         (General_options::print_gc_sections): New option.
7144         * plugin.cc (Plugin_finish::run): Remove function call to
7145         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7146         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7147         * reloc.cc (Read_relocs::run): Add task to process relocs and
7148         determine unreferenced sections when doing garbage collection.
7149         (Gc_process_relocs): New class.
7150         (Sized_relobj::do_gc_process_relocs): New function.
7151         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7152         sections that are garbage collected.
7153         * reloc.h (Gc_process_relocs): New class.
7154         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7155         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7156         symbols whose corresponding sections are garbage collected.
7157         (Symbol_table::Symbol_table): Add new parameter for the garbage
7158         collection object.
7159         (Symbol_table::gc_mark_undef_symbols): New function.
7160         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7161         (Symbol_table::gc_mark_dyn_syms): New function.
7162         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7163         as garbage.
7164         (Symbol_table::add_from_object): Likewise.
7165         (Symbol_table::add_from_relobj): When building shared objects, do not
7166         treat externally visible symbols as garbage.
7167         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7168         table information for static and relocatable links.
7169         * symtab.h (Symbol_table::set_gc): New function.
7170         (Symbol_table::gc): New function.
7171         (Symbol_table::gc_mark_undef_symbols): New function.
7172         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7173         (Symbol_table::gc_mark_dyn_syms): New function.
7174         (Symbol_table::gc_): New data member.
7175         * target.h (Sized_target::gc_process_relocs): New pure virtual
7176         function.
7177         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7178         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7180 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7182         * options.h (General_options::gc_sections): Define as a no-op for now.
7183         (General_options::no_keep_memory): Ditto.
7184         (General_options::Bshareable): Define.
7185         * options.cc (General_options::finalize): Honor -Bshareable.
7187 2009-01-20  Andreas Schwab  <schwab@suse.de>
7189         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7190         read the value in the contents, since we don't use it.  Use the
7191         template endianness when writing.
7192         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7194 2009-01-19  Andreas Schwab  <schwab@suse.de>
7196         * configure.tgt (powerpc64-*): Fix targ_obj.
7198 2009-01-15  Ian Lance Taylor  <iant@google.com>
7200         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7201         local symbols when stripping all symbols.
7203 2009-01-14  Cary Coutant  <ccoutant@google.com>
7205         * output.cc (Output_reloc): Add explicit instantiations.
7207 2009-01-14  Cary Coutant  <ccoutant@google.com>
7209         * archive.cc (Archive::get_elf_object_for_member): Remove call
7210         to File_read::claim_for_plugin.
7211         * descriptors.cc (Descriptors::open): Remove reference to
7212         is_claimed.
7213         (Descriptors::claim_for_plugin): Remove.
7214         * descriptors.h (Descriptors::claim_for_plugin): Remove.
7215         (Descriptors::is_claimed): Remove.
7216         (claim_descriptor_for_plugin): Remove.
7217         * fileread.cc (File_read::claim_for_plugin): Remove.
7218         * fileread.h (File_read::claim_for_plugin): Remove.
7219         (File_read::descriptor): Reopen descriptor if necessary.
7220         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
7221         (Plugin_manager::all_symbols_read): Add task parameter. Change
7222         all callers.
7223         (Plugin_manager::get_input_file): New function.
7224         (Plugin_manager::release_input_file): New function.
7225         (Pluginobj::Pluginobj): Add filesize parameter and initialize
7226         corresponding data member.
7227         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
7228         and pass to base constructor. Change all callers.
7229         (get_input_file, release_input_file): New functions.
7230         (make_sized_plugin_object): Add filesize parameter. Change all callers.
7231         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
7232         (Plugin_manager::all_symbols_read): Add task parameter.
7233         (Plugin_manager::get_input_file): New function.
7234         (Plugin_manager::release_input_file): New function.
7235         (Plugin_manager::task_): New data member.
7236         (Pluginobj::Pluginobj): Add filesize parameter.
7237         (Pluginobj::filename): New function.
7238         (Pluginobj::descriptor): New function.
7239         (Pluginobj::filesize): New function.
7240         (Pluginobj::filesize_): New data member.
7241         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
7242         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
7243         File_read::claim_for_plugin; use Object::unlock to unlock the file.
7245         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
7246         with archive libraries.
7247         * testsuite/Makefile.in: Regenerate.
7248         * testsuite/plugin_test.c (struct sym_info): New type.
7249         (get_input_file, release_input_file): New static variables.
7250         (onload): Capture new transfer vector entries.
7251         (claim_file_hook): Stop reading at end of file according to filesize.
7252         Factor out parsing of readelf output into separate function.
7253         (all_symbols_read_hook): Exercise get_input_file and release_input_file
7254         APIs and get the source file name from the symbol table.  Convert
7255         source file name to corresponding object file name.  Print info
7256         message when adding new input files.
7257         (parse_readelf_line): New function.
7258         * testsuite/plugin_test_1.sh: Add checks for new info messages.
7259         * testsuite/plugin_test_2.sh: Likewise.
7260         * testsuite/plugin_test_3.sh: Likewise.
7261         * testsuite/plugin_test_4.sh: New test case.
7263 2009-01-07  Ian Lance Taylor  <iant@google.com>
7265         * version.cc (version_string): Bump to 1.8.
7267 2008-12-23  Cary Coutant  <ccoutant@google.com>
7269         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
7270         * plugin.cc (Plugin_manager::finish): Rename as
7271         layout_deferred_objects.  Move cleanup to separate function.
7272         (Plugin_manager::cleanup): New function.
7273         (Plugin_finish::run): Call layout_deferred_objects and cleanup
7274         separately.
7275         * plugin.h (Plugin_manager::finish): Rename as
7276         layout_deferred_objects.
7277         (Plugin_manager::cleanup): New function.
7278         (Plugin_manager::cleanup_done): New field.
7280 2008-12-23  Cary Coutant  <ccoutant@google.com>
7282         * plugin.cc (is_visible_from_outside): New function.
7283         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
7284         so we don't return "IR only" status for exported symbols or -r links.
7286         * testsuite/Makefile.am (plugin_test_3): New test case.
7287         * testsuite/Makefile.in: Regenerate.
7288         * testsuite/plugin_test_3.sh: New file.
7290 2008-12-22  Cary Coutant  <ccoutant@google.com>
7292         * object.cc (Sized_relobj::layout_section): New function.
7293         (Sized_relobj::do_layout): Defer layout of input sections until after
7294         plugin has provided replacement files.
7295         (Sized_relobj::do_layout_deferred_sections): New function.
7296         * object.h (Relobj::set_section_offset): Remove virtual keyword.
7297         (Relobj::layout_deferred_sections): New function.
7298         (Relobj::do_layout_deferred_sections): New function.
7299         (Sized_relobj::do_layout_deferred_sections): New function.
7300         (Sized_relobj::layout_section): New function.
7301         (Sized_relobj::Deferred_layout): New structure.
7302         (Sized_relobj::deferred_layout_): New field.
7303         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
7304         Change all callers.  Layout deferred sections.
7305         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
7306         references.
7307         (Plugin_hook::run): Move code from do_plugin_hook inline.
7308         (Plugin_hook::do_plugin_hook): Remove.
7309         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
7310         (Plugin_manager::finish): Renamed, was cleanup.
7311         (Plugin_manager::should_defer_layout): New function.
7312         (Plugin_manager::add_deferred_layout_object): New function.
7313         (Plugin_manager::Deferred_layout_list): New type.
7314         (Plugin_manager::deferred_layout_objects_): New field.
7315         (Plugin_hook::do_plugin_hook): Remove.
7317 2008-12-17  Ian Lance Taylor  <iant@google.com>
7319         * options.h (class General_options): Add --no case for
7320         --export-dynamic.
7322 2008-12-16  Cary Coutant  <ccoutant@google.com>
7324         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
7325         vector.
7326         (Plugin_manager::claim_file): Create plugin object even if
7327         plugin did not call the add_symbols callback.
7328         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
7329         asking for more symbols than were added.
7330         * testsuite/Makefile.am (plugin_test_1): Add test case with
7331         no global symbols.
7332         (empty.syms): New target.
7333         * testsuite/Makefile.in: Regenerate.
7334         * testsuite/plugin_test.c (claim_file_hook): Add new debug
7335         message. Don't call add_symbols if no globals.
7336         (all_symbols_read_hook): Don't provide replacement for empty
7337         claimed file.
7339 2008-12-12  Ian Lance Taylor  <iant@google.com>
7341         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
7342         r_type == 0 for a local symbol with r_sym == 0.
7343         (scan_relocatable_relocs): Pass r_sym to
7344         local_non_section_strategy.
7345         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
7346         r_sym parameter.
7348         * configure.ac: Update test for TLS descriptors: they are
7349         supported as of glibc 2.9.
7350         * configure: Rebuild.
7352 2008-12-11  Ian Lance Taylor  <iant@google.com>
7354         PR 7091
7355         * target-reloc.h (Default_scan_relocatable_relocs): For each
7356         function, map r_type == 0 to RELOC_DISCARD.
7358 2008-12-10  Cary Coutant  <ccoutant@google.com>
7360         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
7361         object to override a kept COMDAT group from a plugin object.
7363 2008-12-09  Ian Lance Taylor  <iant@google.com>
7365         PR 7088
7366         * yyscript.y (file_cmd): Handle INPUT.
7368         * testsuite/initpri1.c: Change all declarations to be full
7369         prototypes by adding void, to avoid compiler warnings.
7371 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7373         * options.cc (General_options::parse_plugin_opt): New.
7374         (General_options::add_plugin): The argument now is just the filename.
7375         (General_options::add_plugin_option): New.
7376         * options.h (plugin_opt): New.
7377         (add_plugin): Change argument name.
7378         (add_plugin_option): New.
7379         * plugin.cc (Plugin::load): Don't parse the plugin option.
7380         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7381         (Plugin::add_option): New.
7382         (Plugin::args_): Change type.
7383         (Plugin::filename_): New.
7384         (Plugin_manager::add_plugin_option): New.
7385         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7386         * testsuite/Makefile.in: Regenerate.
7388 2008-12-05  Cary Coutant  <ccoutant@google.com>
7390         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7391         Handle --strip-lto-sections option.
7392         * options.h (strip_lto_sections): New option.
7394 2008-12-01  Cary Coutant  <ccoutant@google.com>
7396         * plugin.cc (ld_plugin_message): Change format parameter to const.
7397         Fix mismatch between new[] and delete.
7399 2008-11-14  Cary Coutant  <ccoutant@google.com>
7401         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7402         instead of -1U.
7404 2008-11-05  Craig Silverstein  <csilvers@google.com>
7406         * options.cc (General_options::parse_dynamic_list): New function.
7407         * options.h (General_options): New flags dynamic_list,
7408         dynamic_list_data, dynamic_list_cpp_new, and
7409         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7410         (General_options::in_dynamic_list): New function.
7411         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7412         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7413         (Lex::can_continue_name): Likewise.
7414         (yylex): Likewise.
7415         (read_script_file): New parameter script_options.
7416         (read_dynamic_list): New function.
7417         (Script_options::define_dynamic_list): New function.
7418         (dynamic_list_keyword_parsecodes): New variable.
7419         (dynamic_list_keywords): New variable.
7420         * script.h (Script_options::define_dynamic_list): New function
7421         prototype.
7422         (read_dynamic_list): New function prototype.
7423         * symtab.cc (strprefix): New macro.
7424         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7425         dynamic_list_data, dynamic_list_cpp_new, and
7426         dynamic_list_cpp_typeinfo.
7427         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7428         (dynamic_list_expr): New rule.
7429         (dynamic_list_nodes): Likewise.
7430         (dynamic_list_node): Likewise.
7431         * testsuite/Makefile.am (dynamic_list): New test.
7432         * testsuite/Makefile.in: Regenerated.
7433         * testsuite/dynamic_list.t: New file.
7434         * testsuite/dynamic_list.sh: New file.
7436 2008-11-05  Craig Silverstein  <csilvers@google.com>
7438         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7439         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7440         (t11_last): Likewise.
7441         * testsuite/ver_test_6.c (main): Likewise.
7443 2008-10-07  Cary Coutant  <ccoutant@google.com>
7445         * options.c (General_options::finalize): Add check for -static and
7446         -shared.
7447         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7448         is not empty.
7450 2008-10-02  Cary Coutant  <ccoutant@google.com>
7452         * plugin.cc (make_sized_plugin_object): Fix conditional
7453         compilation to work when not all targets are enabled.
7455 2008-09-29  Cary Coutant  <ccoutant@google.com>
7457         * archive.cc (Archive::get_file_and_offset): Use filename instead
7458         of name to get library path.
7459         (Archive::include_member): Unlock external member of a thin archive.
7461         * testsuite/Makefile.am (TEST_AR): New variable.
7462         (thin_archive_test_1): New test.
7463         (thin_archive_test_2): New test.
7464         * testsuite/Makefile.in: Regenerate.
7465         * testsuite/thin_archive_main.cc: New file.
7466         * testsuite/thin_archive_test_1.cc: New file.
7467         * testsuite/thin_archive_test_2.cc: New file.
7468         * testsuite/thin_archive_test_3.cc: New file.
7469         * testsuite/thin_archive_test_4.cc: New file.
7471 2008-09-29  Cary Coutant  <ccoutant@google.com>
7473         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7474         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7475         instead of -1U.
7476         (Sized_relobj::do_finalize_local_symbols): Likewise.
7477         (Sized_relobj::map_to_kept_section): Likewise.
7478         * object.h (Sized_relobj::invalid_address): New constant.
7479         (Sized_relobj::do_output_section_offset): Check for invalid_address
7480         and return -1ULL.
7481         * output.cc (Output_reloc::local_section_offset): Use constant
7482         invalid_address instead of -1U.
7483         (Output_reloc::get_address): Likewise.
7484         (Output_section::output_address): Change -1U to -1ULL.
7485         * output.h (Output_reloc::invalid_address): New constant.
7486         * reloc.cc (Sized_relobj::write_sections): Use constant
7487         invalid_address instead of -1U.
7488         (Sized_relobj::relocate_sections): Likewise.
7489         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7490         values for merge sections.
7491         * target-reloc.h (relocate_for_relocatable): Use constant
7492         invalid_address instead of -1U.
7494 2008-09-19  Cary Coutant  <ccoutant@google.com>
7496         Add plugin functionality for link-time optimization (LTO).
7497         * configure.ac (plugins): Add --enable-plugins option.
7498         * configure: Regenerate.
7499         * config.in: Regenerate.
7500         * Makefile.am (LIBDL): New variable.
7501         (CCFILES): Add plugin.cc.
7502         (HFILES): Add plugin.h.
7503         (ldadd_var): Add LIBDL.
7504         * Makefile.in: Regenerate.
7506         * archive.cc: Include "plugin.h".
7507         (Archive::setup): Don't preread archive symbols when using a plugin.
7508         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7509         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7510         files.
7511         (Archive::include_member): Add symbols from plugin objects.
7512         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7513         * descriptors.cc (Descriptors::open): Check for file descriptors
7514         abandoned by plugins.
7515         (Descriptors::claim_for_plugin): New function.
7516         * descriptors.h (Descriptors::claim_for_plugin): New function.
7517         (Open_descriptor::is_claimed): New field.
7518         (claim_descriptor_for_plugin): New function.
7519         * fileread.cc (File_read::claim_for_plugin): New function.
7520         * fileread.h (File_read::claim_for_plugin): New function.
7521         (File_read::descriptor): New function.
7522         * gold.cc: Include "plugin.h".
7523         (queue_initial_tasks): Add task to call plugin hooks for generating
7524         new object files.
7525         * main.cc: Include "plugin.h".
7526         (main): Load plugin libraries.
7527         * object.h (Pluginobj): Declare.
7528         (Object::pluginobj): New function.
7529         (Object::do_pluginobj): New function.
7530         (Object::set_target): New function.
7531         * options.cc: Include "plugin.h".
7532         (General_options::parse_plugin): New function.
7533         (General_options::General_options): Initialize plugins_ field.
7534         (General_options::add_plugin): New function.
7535         * options.h (Plugin_manager): Declare.
7536         (General_options): Add --plugin option.
7537         (General_options::has_plugins): New function.
7538         (General_options::plugins): New function.
7539         (General_options::add_plugin): New function.
7540         (General_options::plugins_): New field.
7541         * plugin.cc: New file.
7542         * plugin.h: New file.
7543         * readsyms.cc: Include "plugin.h".
7544         (Read_symbols::do_read_symbols): Check for archive before checking
7545         for ELF file.  Call plugin hooks to claim files.
7546         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7547         from a real object file; force override when processing replacement
7548         files.
7549         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7550         (Symbol::init_base_object): Likewise.
7551         (Symbol::init_base_output_data): Likewise.
7552         (Symbol::init_base_output_segment): Likewise.
7553         (Symbol::init_base_constant): Likewise.
7554         (Symbol::init_base_undefined): Likewise.
7555         (Symbol::output_section): Assert that object is not a plugin.
7556         (Symbol_table::add_from_pluginobj): New function.
7557         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7558         undefined.
7559         (Symbol_table::sized_write_globals): Likewise.
7560         (Symbol_table::add_from_pluginobj): Instantiate template.
7561         * symtab.h (Sized_pluginobj): Declare.
7562         (Symbol::in_real_elf): New function.
7563         (Symbol::set_in_real_elf): New function.
7564         (Symbol::in_real_elf_): New field.
7565         (Symbol_table::add_from_pluginobj): New function.
7567         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7568         (LIBDL): New variable.
7569         (LDADD): Add LIBDL.
7570         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7571         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7572         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7573         (MOSTLYCLEANFILES): Likewise.
7574         * testsuite/Makefile.in: Regenerate.
7575         * testsuite/plugin_test.c: New file.
7576         * testsuite/plugin_test_1.sh: New file.
7577         * testsuite/plugin_test_2.sh: New file.
7579 2008-09-16  Ian Lance Taylor  <iant@google.com>
7581         * target-reloc.h (relocate_section): Check whether a symbol is
7582         defined by the ABI before reporting an undefined symbol error.
7583         * target.h (Target::is_defined_by_abi): Make parameter const.
7584         (Target::do_is_defined_by_abi): Likewise.
7585         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7586         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7587         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7588         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7589         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7590         * testsuite/Makefile.in: Rebuild.
7592         * fileread.cc (make_view): Add casts to avoid warning.
7594 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7596         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7597         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7599 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7601         * options.h (General_options::output_is_executable): New.
7602         (General_options::output_is_pie): New.
7603         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7604         for shared libraries.
7605         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7607 2008-09-11  Chris Demetriou  <cgd@google.com>
7609         * options.h (origin): New -z option.
7610         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7611         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7612         in DT_FLAGS_1.
7614 2008-09-05  Cary Coutant  <ccoutant@google.com>
7616         * fileread.cc (File_read::make_view): Add check for attempt to map
7617         beyond end of file.
7619 2008-09-05  Cary Coutant  <ccoutant@google.com>
7621         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7622         explicit instantiations.
7624 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7626         PR gold/6858
7627         * options.cc (General_options::finalize): Allow undefined symbols
7628         in shlibs if linking -shared.
7630         PR gold/6859
7631         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7632         symbols as not needing a dynsym entry.
7634 2008-08-20  Craig Silverstein  <csilvers@google.com>
7636         * fileread.cc (File_read::open): Do not lock the file unless it
7637         was successfully opened.
7639 2008-08-14  Cary Coutant  <ccoutant@google.com>
7641         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7642         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7643         * testsuite/tls_test.cc (struct int128): 128-bit struct
7644         for testing TLS relocs with non-zero addend.
7645         (v12): New TLS variable.
7646         (t12): New test.
7647         (t_last): Add check for v12.
7648         * testsuite/tls_test.h (t12): New function.
7649         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7651 2008-08-13  Ian Lance Taylor  <iant@google.com>
7653         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7654         set tls_segment_ or relro_segment_.
7655         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7656         when appropriate.
7657         * output.h (Output_section::clear_is_relro): New function.
7658         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7659         sections specially even when output_data_ is empty.
7660         (Output_segment::maximum_alignment): When first section is relro,
7661         only force alignment for PT_LOAD segments.
7662         * script.cc (script_data_segment_align): New function.
7663         (script_data_segment_relro_end): New function.
7664         * script-c.h (script_data_segment_align): Declare.
7665         (script_data_segment_relro_end): Declare.
7666         * script-sections.h (class Script_sections): Declare
7667         data_segment_align and data_segment_relro_end.  Add fields
7668         segment_align_index_ and saw_relro_end_.
7669         * script-sections.cc (class Sections_element): Add set_is_relro
7670         virtual function.  Add new bool* parameter to place_orphan_here.
7671         Add get_output_section virtual function.
7672         (class Output_section_definition): Add set_is_relro.  Add new
7673         bool* parameter to place_orphan_here.  Add get_output_section.
7674         Add is_relro_ field.
7675         (Output_section_definition::Output_section_definition): Initialize
7676         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7677         and is_relro_ fields.
7678         (Output_section_definition::place_orphan_here): Add is_relro
7679         parameter.
7680         (Output_section_definition::set_section_addresses): Set relro for
7681         output section.
7682         (Output_section_definition::alternate_constraint): Likewise.
7683         (class Orphan_output_section): Add new bool* parameter to
7684         place_orphan_here.  Add get_output_section.
7685         (Orphan_output_section::place_orphan_here): Add is_relro
7686         parameter.
7687         (Script_sections::Script_sections): Initialize
7688         data_segment_align_index_ and saw_relro_end_.
7689         (Script_sections::data_segment_align): New function.
7690         (Script_sections::data_segment_relro_end): New function.
7691         (Script_sections::place_orphan): Set or clear is_relro.
7692         (Script_sections::set_section_addresses): Force alignment of first
7693         TLS section.
7694         * yyscript.y (exp): Call script_data_segment_align and
7695         script_data_segment_relro_end.
7696         * testsuite/relro_script_test.t: New file.
7697         * testsuite/relro_test.cc (using_script): Declare.
7698         (t1, t2): Test using_script.
7699         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7700         (relro_script_test_SOURCES): Define.
7701         (relro_script_test_DEPENDENCIES): Define.
7702         (relro_script_test_LDFLAGS): Define.
7703         (relro_script_test_LDADD): Define.
7704         (relro_script_test.so): New target.
7705         * testsuite/Makefile.in: Rebuild.
7707 2008-08-06  Cary Coutant <ccoutant@google.com>
7709         * archive.cc (Archive::total_archives, Archive::total_members)
7710         (Archive::total_members_loaded): New variables.
7711         (Archive::setup): Add parameter.  Add option to preread
7712         archive symbols.
7713         (Archive::read_armap): Add counter.
7714         (Archive::get_file_and_offset): New function.
7715         (Archive::get_elf_object_for_member): New function.
7716         (Archive::read_all_symbols): New function.
7717         (Archive::read_symbols): New function.
7718         (Archive::add_symbols): Add counters.
7719         (Archive::include_all_members): Use armap to find members if it's
7720         already built.
7721         (Archive::include_member): Skip reading symbols if already read.
7722         Factored code into Archive::get_file_and_offset and
7723         Archive::get_elf_object_for_member.  Changed call to
7724         Mapfile::report_include_archive_member.
7725         (Archive::print_stats): New function.
7726         * archive.h: Declare Object and Read_symbols_data classes.
7727         (Archive::Archive): Add initializers for new members.
7728         (Archive::setup): Add parameter.
7729         (Archive::print_stats): New function.
7730         (Archive::total_archives, Archive::total_members)
7731         (Archive::total_members_loaded): New variables.
7732         (Archive::get_file_and_offset): New function.
7733         (Archive::get_elf_object_for_member): New function.
7734         (Archive::read_all_symbols): New function.
7735         (Archive::read_symbols): New function.
7736         (Archive::Archive_member): New class.
7737         (Archive::members_): New member.
7738         (Archive::num_members_): New member.
7739         * main.cc: Include archive.h.
7740         (main): Call Archive::print_stats.
7741         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7742         archive parameter; member_name is now the fully-decorated name.
7743         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7744         * options.h: (General_options): Add --preread-archive-symbols option.
7745         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7746         Archive::setup.
7748 2008-08-04  Ian Lance Taylor  <iant@google.com>
7750         * symtab.h (Symbol::use_plt_offset): New function.
7751         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7752         * powerpc.cc (Relocate::relocate): Likewise.
7753         * sparc.cc (Relocate::relocate): Likewise.
7754         * x86_64.cc (Relocate::relocate): Likewise.
7755         * testsuite/weak_plt.sh: New test.
7756         * testsuite/weak_plt_main.cc: New test.
7757         * testsuite/weak_plt_shared.cc: New test.
7758         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7759         (check_PROGRAMS): Add weak_plt.
7760         (check_DATA): Add weak_plt_shared.so.
7761         (weak_plt_main_pic.o, weak_plt): New targets.
7762         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7763         * testsuite/Makefile.in: Rebuild.
7765         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7766         gcctestdir/ld.
7767         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7768         * testsuite/Makefile.in: Rebuild.
7770 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7772         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7773         * Makefile.in: Regenerate.
7774         * po/POTFILES.in: Regenerate.
7776 2008-07-29  Ian Lance Taylor  <iant@google.com>
7778         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7779         symbols before other symbols.
7780         * testsuite/script_test_2.cc (test_addr): Declare.
7781         (test_addr_alias): Declare.
7782         (main): Check that test_addr and test_addr_alias have the right
7783         values.
7784         * testsuite/script_test_2.t: Define test_addr_alias and
7785         test_addr.
7787 2008-07-24  Ian Lance Taylor  <iant@google.com>
7789         PR 5990
7790         * descriptors.cc: New file.
7791         * descriptors.h: New file.
7792         * gold-threads.h (class Hold_optional_lock): New class.
7793         * fileread.cc: Include "descriptors.h".
7794         (File_read::~File_read): Release descriptor rather than closing
7795         it.
7796         (File_read::open) [file]: Call open_descriptor rather than open.
7797         Set is_descriptor_opened_.
7798         (File_read::open) [memory]: Assert that descriptor is not open.
7799         (File_read::reopen_descriptor): New function.
7800         (File_read::release): Release descriptor.
7801         (File_read::do_read): Make non-const.  Reopen descriptor.
7802         (File_read::read): Make non-const.
7803         (File_read::make_view): Reopen descriptor.
7804         (File_read::do_readv): Likewise.
7805         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7806         Update declarations.
7807         * layout.cc: Include "descriptors.h".
7808         (Layout::create_build_id): Use open_descriptor rather than open.
7809         * output.cc: Include "descriptors.h".
7810         (Output_file::open): Use open_descriptor rather than open.
7811         * archive.cc (Archive::const_iterator): Change Archive to be
7812         non-const.
7813         (Archive::begin, Archive::end): Make non-const.
7814         (Archive::count_members): Likewise.
7815         * archive.h (class Archive): Update declarations.
7816         * object.h (Object::read): Make non-const.
7817         * Makefile.am (CCFILES): Add descriptors.cc.
7818         (HFILES): Add descriptors.h.
7819         * Makefile.in: Rebuild.
7821         PR 6716
7822         * gold.h: Always include <clocale>.  Add Solaris workarounds
7823         following code in binutils/sysdep.h.
7825         PR 6048
7826         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7827         this->eh_frame_hdr_ is NULL before using it.
7829         * dynobj.cc (Versions::Versions): Update comment.
7831         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7832         the base version name.
7834         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7835         array size plus one.
7836         (Stringpool_template::set_string_offsets): Subtract one from key
7837         before using it as an array index.
7838         (Stringpool_template::get_offset_with_length): Likewise.
7839         (Stringpool_template::write_to_buffer): Likewise.
7840         * stringpool.h (Stringpool_template::get_offset_from_key):
7841         Likewise.
7843 2008-07-23  Ian Lance Taylor  <iant@google.com>
7845         PR 6658
7846         * object.h (Merged_symbol_value::value): Do our best to handle a
7847         negative addend.
7849         PR 6647
7850         * script.cc (Version_script_info::get_versions): Don't add empty
7851         version tag to return value.
7852         (Version_script_info::get_symbol_version_helper): Change return
7853         type to bool.  Add pversion parameter.  Change all callers.
7854         (script_register_vers_node): Don't require a non-NULL tag.
7855         * script.h (class Version_script_info): Update declarations.
7856         (Version_script_info::get_symbol_version): Change return type to
7857         bool.  Add version parameter.  Change all callers.
7858         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7859         handling.  Handle an empty version from a version script.
7860         (Symbol_table::define_special_symbol): Likewise.
7861         * testsuite/ver_test_10.script: New file.
7862         * testsuite/ver_test_10.sh: New file.
7863         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7864         (check_DATA): Add ver_test_10.syms.
7865         (ver_test_10.syms, ver_test_10.so): New target.
7866         * testsuite/Makefile.in: Rebuild.
7868 2008-07-23  Simon Baldwin  <simonb@google.com>
7870         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7871         to zero for undefined symbols from dynamic libraries.
7873 2008-07-23  Ian Lance Taylor  <iant@google.com>
7875         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7876         Change all callers.
7877         * symtab.h (class Symbol_table): Update declaration.
7878         * testsuite/ver_test_9.cc: New file.
7879         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7880         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7881         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7882         (ver_test_9.so, ver_test_9.o): New targets.
7883         * testsuite/Makefile.in: Rebuild.
7885 2008-07-22  Ian Lance Taylor  <iant@google.com>
7887         * options.h (class General_options): Define --check-sections.
7888         * layout.cc (Layout::set_segment_offsets): Handle
7889         --check-sections.
7891         * options.h (class General_options): Define -n/--nmagic and
7892         -N/--omagic.
7893         * options.cc (General_options::finalize): For -n/--nmagic or
7894         -N/--omagic, set -static.
7895         * layout.cc (Layout::attach_allocated_section_to_segment): If
7896         -N/--omagic, don't put read-only and read-write sections in
7897         different segments.
7898         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7899         finding a read-only segment.
7900         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7901         don't set the minimum segment alignment to the common page size,
7902         and don't set the file offset to the address modulo the page size.
7903         * script-sections.cc (Script_sections::create_segments): If
7904         -n/--omagic, don't put read-only and read-write sections in
7905         different segments.
7907         * cref.cc: New file.
7908         * cref.h: New file.
7909         * options.h (class General_options): Add --print-symbol-counts.
7910         * main.cc (main): Issue defined symbol report if requested.
7911         * archive.cc (Archive::interpret_header): Make into a const member
7912         function.
7913         (Archive::add_symbols): Call Input_objects::archive_start and
7914         archive_stop.
7915         (Archive::const_iterator): Define new class.
7916         (Archive::begin, Archive::end): New functions.
7917         (Archive::include_all_members): Rewrite to use iterator.
7918         (Archive::count_members): New function.
7919         * archive.h (class Archive): Update declarations.
7920         (Archive::filename): New function.
7921         * object.cc: Include "cref.h".
7922         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7923         (Sized_relobj::do_get_global_symbol_counts): New function.
7924         (Input_objects::add_object): Add object to cross-referencer.
7925         (Input_objects::archive_start): New function.
7926         (Input_objects::archive_stop): New function.
7927         (Input_objects::print_symbol_counts): New function.
7928         * object.h: Declare Cref and Archive.
7929         (Object::get_global_symbol_counts): New function.
7930         (Object::do_get_global_symbol_counts): New pure virtual function.
7931         (class Sized_relobj): Add defined_count_ field.  Update
7932         declarations.
7933         (class Input_objects): Add cref_ field.  Update constructor.
7934         Update declarations.
7935         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
7936         defined_count_.
7937         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
7938         symbol counts.
7939         (Sized_dynobj::do_get_global_symbol_counts): New function.
7940         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
7941         defined_count_.  Update declarations.  Define Symbols typedef.
7942         * symtab.cc (Symbol_table::add_from_relobj): Add defined
7943         parameter.  Change all callers.
7944         (Symbol_table::add_from_dynobj): Add sympointers and defined
7945         parameters.  Change all callers.
7946         * symtab.h (class Symbol_table): Update declarations.
7947         * Makefile.am (CCFILES): Add cref.cc.
7948         (HFILES): Add cref.h.
7949         * Makefile.in: Rebuild.
7951 2008-07-22  Simon Baldwin  <simonb@google.com>
7953         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
7954         to zero when writing undefined symbols.
7956 2008-07-22  Ian Lance Taylor  <iant@google.com>
7958         * output.cc (Output_section::add_input_section): Don't try to
7959         merge empty merge sections.
7961 2008-07-21  Craig Silverstein  <csilvers@google.com>
7963         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7964         Include symbol version in error message.
7966 2008-07-20  Chris Demetriou  <cgd@google.com>
7968         * configure.ac (gold_cv_c_random_seed): New configured variable.
7969         (RANDOM_SEED_CFLAGS): New substituted variable.
7970         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
7971         * configure: Rebuild.
7972         * Makefile.in: Likewise.
7973         * testsuite/Makefile.in: Likewise.
7975 2008-07-18  Ian Lance Taylor  <iant@google.com>
7977         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
7978         where we see NAME/NULL and NAME/VERSION  as separate symbols.
7979         * testsuite/ver_test_main.cc (main): Call t4.
7980         (t4, t4_2a): Define.
7981         * testsuite/ver_test_2.cc (t4_2): Define.
7982         * testsuite/ver_test_2.script: Put t4_2a in VER2.
7983         * testsuite/ver_test_4.cc (t4_2a): Define.
7984         * testsuite/ver_test_4.script: Put t4_2a in VER2.
7985         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
7987 2008-07-17  Ian Lance Taylor  <iant@google.com>
7989         * dynobj.cc (Versions::add_def): If we give an error about a
7990         missing version, go ahead and create the version anyhow.
7992 2008-07-10  Ian Lance Taylor  <iant@google.com>
7994         Handle output sections with more than 0x7fffffff bytes.
7995         * object.h (class Relobj): Change map_to_output_ to
7996         output_sections_, and just keep a section pointer.  Change all
7997         uses.  Move comdat group support to Sized_relobj.
7998         (Relobj::is_section_specially_mapped): Remove.
7999         (Relobj::output_section): Remove poff parameter.  Change all
8000         callers.
8001         (Relobj::output_section_offset): New function.
8002         (Relobj::set_section_offset): Rewrite.
8003         (Relobj::map_to_output): Remove.
8004         (Relobj::output_sections): New function.
8005         (Relobj::do_output_section_offset): New pure virtual function.
8006         (Relobj::do_set_section_offset): Likewise.
8007         (class Sized_relobj): Add section_offsets_ field.  Add comdat
8008         group support from Relobj.  Update declarations.
8009         (Sized_relobj::get_output_section_offset): New function.
8010         (Sized_relobj::do_output_section_offset): New function.
8011         (Sized_relobj::do_set_section_offset): New function.
8012         * object.cc (Relobj::output_section_address): Remove.
8013         (Sized_relobj::Sized_relobj): Initialize new fields.
8014         (Sized_relobj::include_section_group): Cast find_kept_object to
8015         Sized_relobj.
8016         (Sized_relobj::include_linkonce_section): Likewise.
8017         (Sized_relobj::do_layout): Use separate arrays for output section
8018         and output offset.
8019         (Sized_relobj::do_count_local_symbols): Change map_to_output to
8020         output_sections.
8021         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
8022         output_sections and section_offsets.
8023         (Sized_relobj::write_local_symbols): Likewise.
8024         (map_to_kept_section): Compute output address directly.
8025         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
8026         output_sections and section_offsets.
8027         (Sized_relobj::write_sections): Likewise.
8028         (Sized_relobj::relocate_sections): Likewise.
8029         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
8030         * output.h (class Output_reloc): Update declarations.  Change
8031         u2_.relobj to Sized_relobj*.
8032         (class Output_data_reloc): Change add functions to use
8033         Sized_relobj*.
8034         * output.cc (Output_reloc::Output_reloc): Change relobj to
8035         Sized_relobj*.
8036         (Output_reloc::local_section_offset): Change return type to
8037         Elf_Addr.  Use get_output_section_offset.
8038         (Output_reloc::get_address): Likewise.
8039         (Output_section::is_input_address_mapped): Don't call
8040         is_section_specially_mapped.
8041         (Output_section::output_offset): Likewise.
8042         (Output_section::output_address): Likewise.
8043         (Output_section::starting_output_address): Likewise.
8044         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
8045         parameter to Sized_relobj*.
8046         (Copy_relocs::need_copy_reloc): Likewise.
8047         (Copy_relocs::save): Likewise.
8048         * copy-relocs.h (class Copy_relocs): Update declarations.
8049         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
8050         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
8051         * target-reloc.h (relocate_for_relocatable): Change
8052         offset_in_output_section type to Elf_Addr.  Change code that uses
8053         it as well.
8054         * layout.cc (Layout::layout): Always set *off.
8055         * mapfile.cc (Mapfile::print_input_section): Use
8056         output_section_offset.
8057         * i386.cc (Target_i386::copy_reloc): Change object parameter to
8058         Sized_relobj*.
8059         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
8060         * sparc.cc (Target_sparc::copy_reloc): Likewise.
8061         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
8063 2008-07-03  Ian Lance Taylor  <iant@google.com>
8065         * layout.cc (Layout::include_section): Do not discard unrecognized
8066         SHT_STRTAB sections.
8068 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
8070         * script.cc (Lex::can_continue_name): Make '?' allowable in
8071         version-script names.
8072         * testsuite/version_script.map: Change glob pattern to use '?'
8074 2008-06-30  Manish Singh  <yosh@gimp.org>
8076         PR 6585
8077         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
8078         Correct typo.
8080 2008-06-30  Ian Lance Taylor  <iant@google.com>
8082         PR 6660
8083         PR 6682
8084         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
8085         versions]: Don't try to read the value in the contents, since we
8086         don't use it.  Use the template endianness when writing.
8088 2008-06-25  Cary Coutant  <ccoutant@google.com>
8090         * fileread.cc (File_read::make_view): Assert on zero-length view.
8091         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
8092         symbol table when there are no symbols to read.
8094 2008-06-23  Craig Silverstein  <csilvers@google.com>
8096         * version.cc (version_string): Bump to 1.7
8098 2008-06-18  Craig Silverstein  <csilvers@google.com>
8100         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
8101         constant 0xFFFF to type Valtype.
8102         (Powerpc_relocate_functions::rel16_ha): Likewise.
8104 2008-06-17  Ian Lance Taylor  <iant@google.com>
8106         * output.h (Output_section::Input_section): Initialize p2align_ to
8107         zero for Output_section_data constructors.
8108         (Output_section::Input_section::addralign): If not an input
8109         section, return the alignment of the Output_section_data.
8110         * testsuite/copy_test.cc: New file.
8111         * testsuite/copy_test_1.cc: New file.
8112         * testsuite/copy_test_2.cc: New file.
8113         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8114         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8115         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8116         (copy_test_1_pic.o, copy_test_1.so): New targets.
8117         (copy_test_2_pic.o, copy_test_2.so): New targets.
8118         * testsuite/Makefile.in: Rebuild.
8120         * script-sections.cc (Script_sections::place_orphan): Initialize
8121         local variable exact.
8123 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8125         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8127 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8128             David S. Miller  <davem@davemloft.net>
8130         * powerpc.cc: New file.
8131         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8132         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8133         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8134         * Makefile.in: Rebuild.
8136 2008-06-09  Ian Lance Taylor  <iant@google.com>
8138         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8139         <exception>.
8140         (throwing, orig_terminate): New static variables.
8141         (terminate_handler): New static function.
8142         (t2): Set terminate handler.
8144 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8146         PR 6584
8147         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8148         alignment.
8150 2008-05-30  Cary Coutant  <ccoutant@google.com>
8152         * archive.cc (Archive::include_all_members) Correct to step
8153         over symbol table and extended name table in thin archives.
8155 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8157         PR 6407
8158         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8159         calculation.
8161 2008-05-28  Caleb Howe  <cshowe@google.com>
8163         * reduced_debug_output.cc: New file.
8164         * reduced_debug_output.h: New file.
8165         * options.h (class General_options): Add --strip-debug-non-line.
8166         * options.cc (General_options::finalize): Add strip_debug_non_line
8167         to the strip heirarchy.
8168         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8169         fields.
8170         * layout.cc: Include "reduced_debug_output.h".
8171         (Layout::Layout): Initialize new fields.
8172         (line_only_debug_sections): New static array.
8173         (is_lines_only_debug_sections): New static inline function.
8174         (Layout::include_section): Handle --strip-debug-non-line.
8175         (Layout::make_output_section): If --strip-debug-non-line, build
8176         new output sections for .debug_abbrev and .debug_info.
8177         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8178         gold.  Warn about possible overflow.
8179         (read_signed_LEB_128): Likewise.
8180         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8181         (read_signed_LEB_128): Declare.
8182         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8183         (HFILES): Add reduced_debug_output.h.
8184         * Makefile.in: Rebuild.
8186 2008-05-21  Ian Lance Taylor  <iant@google.com>
8188         * mapfile.cc: New file.
8189         * mapfile.h: New file.
8190         * options.h (class General_options): Add -M/--print-map and -Map.
8191         * options.cc (General_options::finalize): Make -M equivalent to
8192         -Map -.
8193         * main.cc: Include <cstdio> and "mapfile.h".
8194         (main): Open mapfile if requested.
8195         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8196         constructor.  Change caller.
8197         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8198         (queue_middle_tasks): Likewise.
8199         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8200         declarations.
8201         * archive.cc: Include "mapfile.h".
8202         (Archive::add_symbols): Add mapfile parameter.  Change all
8203         callers.  Pass mapfile, symbol, and reason to include_member.
8204         (Archive::include_all_members): Add mapfile parameter.  Change all
8205         callers.
8206         (Archive::include_member): Add mapfile, sym, and why parameters.
8207         Change all callers.  Report inclusion to map file.
8208         * archive.h: Include "fileread.h".
8209         (class Archive): Update declarations.
8210         (Archive::file): New const method.
8211         (class Add_archive_symbols): Add mapfile_ field.  Update
8212         constructor.  Change all callers.
8213         * readsyms.h (class Read_symbols): Likewise.
8214         (class Finish_group): Likewise.
8215         (class Read_script): Likewise.
8216         * common.cc: Include "mapfile.h".
8217         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
8218         all callers.
8219         (Symbol_table::do_allocate_commons): Likewise.
8220         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
8221         symbol allocation to mapfile.
8222         * common.h (class Allocate_commons_task): Add mapfile_ field.
8223         Update constructor.  Change all callers.
8224         * symtab.h (class Symbol_table): Update declarations.
8225         * layout.cc: Include "mapfile.h".
8226         (Layout_task_runner::run): Print information to mapfile.
8227         (Layout::create_gold_note): Change Output_data_fixed_space to
8228         Output_data_zero_fill.
8229         (Layout::create_build_id): Likewise.
8230         (Layout::print_to_mapfile): New function.
8231         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
8232         constructor.  Change caller.
8233         (class Layout): Declare print_to_mapfile.
8234         * output.cc (Output_section::Input_section::print_to_mapfile): New
8235         function.
8236         (Output_section::add_input_section): If producing a map, always
8237         add to input_sections_ list.
8238         (Output_section::do_print_to_mapfile): New function.
8239         (Output_segment::print_sections_to_mapfile): New function.
8240         (Output_segment::print_section_list_to_mapfile): New function.
8241         * output.h: Include "mapfile.h".
8242         (Output_data::print_to_mapfile): New function.
8243         (Output_data::do_print_to_mapfile): New virtual function.
8244         (Output_segment_headers::do_print_to_mapfile): New function.
8245         (Output_file_header::do_print_to_mapfile): New function.
8246         (Output_data_const::do_print_to_mapfile): New function.
8247         (class Output_data_const_buffer): Add map_name_ field.  Update
8248         constructor.  Change all callers.  Add do_print_to_mapfile
8249         function.
8250         (class Output_data_fixed_space): Likewise.
8251         (class Output_data_space): Likewise.
8252         (class Output_data_zero_fill): New class.
8253         (Output_data_strtab::do_print_to_mapfile): New function.
8254         (Output_data_reloc_base::do_print_to_mapfile): New function.
8255         (Output_relocatable_relocs::do_print_to_mapfile): New function.
8256         (Output_data_group::do_print_to_mapfile): New function.
8257         (Output_data_got::do_print_to_mapfile): New function.
8258         (Output_data_dynamic::do_print_to_mapfile): New function.
8259         (Output_symtab_xindex::do_print_to_mapfile): New function.
8260         (class Output_section): Declare do_print_to_mapflie.  Declare
8261         print_to_mapfile in Input_section.
8262         (class Output_segment): Declare new functions.
8263         * object.h (Sized_relobj::symbol_count): New function.
8264         * script-sections.cc
8265         (Output_section_element_dot_assignment::set_section_addresses):
8266         Change Output_data_fixed_space to Output_data_zero_fill.
8267         (Output_data_expression::do_print_to_mapfile): New function.
8268         * script.cc (read_input_script): Add mapfile parameter.  Change
8269         all callers.
8270         * script.h (read_input_script): Update declaration.
8271         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
8272         (Eh_frame::do_print_to_mapfile): New function.
8273         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
8274         (Output_merge_string::do_print_to_mapfile): New function.
8275         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
8276         function.
8277         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
8278         function.
8279         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
8280         function.
8281         * Makefile.am (CCFILES): Add mapfile.cc.
8282         (HFILES): Add mapfile.h.
8283         * Makefile.in: Rebuild.
8285 2008-05-19  Ian Lance Taylor  <iant@google.com>
8287         * options.h (class General_options): Add -z relro.
8288         * layout.cc (Layout::Layout): Initialize relro_segment_.
8289         (Layout::add_output_section_data): Return the output section.
8290         (Layout::make_output_section): Rcognize relro sections and mark
8291         them appropriately.
8292         (Layout::attach_allocated_section_to_segment): Put relro sections
8293         in a PT_GNU_RELRO segment.
8294         (Layout::create_initial_dynamic_sections): Mark the .dynamic
8295         section as relro.
8296         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
8297         PT_TLS segments.
8298         (Layout::linkonce_mapping): Map d.rel.ro.local to
8299         .data.rel.ro.local.
8300         (Layout::output_section_name): Us .data.rel.ro.local for any
8301         section which begins with that.
8302         * layout.h (class Layout): Update add_output_section_data
8303         declaration.  Add relro_segment_ field.
8304         * output.cc (Output_section::Output_section): Initialize is_relro_
8305         and is_relro_local_ fields.
8306         (Output_segment::add_output_section): Group relro sections.
8307         (Output_segment::is_first_section_relro): New function.
8308         (Output_segment::maximum_alignment): If there is a relro section,
8309         align the segment to the common page size.
8310         (Output_segment::set_section_addresses): Track whether we are
8311         looking at relro sections.  If the last section is a relro
8312         section, align to the common page size.
8313         (Output_segment::set_section_list_addresses): Add in_relro
8314         parameter.  Change all callers.  Align to the page size when
8315         moving from relro to non-relro section.
8316         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
8317         segment.
8318         * output.h (class Output_section): Add is_relro_ and
8319         is_relro_local_ fields.
8320         (Output_section::is_relro): New function.
8321         (Output_section::set_is_relro): New function.
8322         (Output_section::is_relro_local): New function.
8323         (Output_section::set_is_relro_local): New function.
8324         (class Output_segment): Update declarations.
8325         * i386.cc (Target_i386::got_section): Mark .got section as relro.
8326         * sparc.cc (Target_sparc::got_section): Likewise.
8327         * x86_64.cc (Target_x86_64::got_section): Likewise.
8328         * testsuite/relro_test_main.cc: New file.
8329         * testsuite/relro_test.cc: New file.
8330         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
8331         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
8332         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
8333         (relro_test.so, relro_test_pic.o): New targets.
8334         * testsuite/Makefile.in: Rebuild.
8336 2008-05-16  Ian Lance Taylor  <iant@google.com>
8338         * output.cc (Output_segment::add_output_section): Remove front
8339         parameter.
8340         * output.h (class Output_segment): Remove
8341         add_initial_output_section and overloaded add_output_section.
8342         Update declaration of remaining add_output_section.
8343         * layout.cc (Layout::create_interp): Call add_output_section
8344         rather than add_initial_output_section.
8345         (Layout::finish_dynamic_section): Likewise.
8347         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
8348         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
8349         know the dynamic type.
8350         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
8351         field.  Initialize it in constructor.
8352         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
8353         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
8354         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
8355         reloc.
8357         * output.cc (Output_reloc::get_address): Change return type to
8358         Elf_Addr.
8359         * output.h (class Output_reloc): Update get_address declaration.
8360         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
8361         for section addresses.
8363 2008-05-09  Ian Lance Taylor  <iant@google.com>
8365         PR 6493
8366         * gold.cc (gold_nomem): Use return value of write.
8368 2008-05-08  Ian Lance Taylor  <iant@google.com>
8370         * symtab.c (Symbol::init_base_output_data): Add version
8371         parameter.  Change all callers.
8372         (Symbol::init_base_output_segment): Likewise.
8373         (Symbol::init_base_constant): Likewise.
8374         (Symbol::init_base_undefined): Likewise.
8375         (Sized_symbol::init_output_data): Likewise.
8376         (Sized_symbol::init_output_segment): Likewise.
8377         (Sized_symbol::init_constant): Likewise.
8378         (Sized_symbol::init_undefined): Likewise.
8379         (Symbol_table::do_define_in_output_data): If the new symbol has a
8380         version, mark it as the default.
8381         (Symbol_table::do_define_in_output_segment): Likewise.
8382         (Symbol_table::do_define_as_constant): Likewise.
8383         * symtab.h (class Symbol): Update declarations.
8384         (class Sized_symbol): Likewise.
8385         * resolve.cc (Symbol::override_version): New function.
8386         (Symbol::override_base): Call override_version.
8387         (Symbol::override_base_with_special): Likewise.
8388         * testsuite/ver_script_8.script: New file.
8389         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8390         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8391         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8392         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8394 2008-05-06  Ian Lance Taylor  <iant@google.com>
8396         PR 6049
8397         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8398         functions.
8399         (class General_options): Remove existing --undefined, and add
8400         --no-undefined instead.  Add new --undefined as synonym for -u.
8401         * archive.cc (Archive::add_symbols): Check whether symbol was
8402         named with -u.
8403         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8404         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8405         all uses.  Add IS_UNDEFINED.  Update declarations to split
8406         different versions of init_base.  Declare init_base_undefined.
8407         (Symbol::is_defined): Handle IS_UNDEFINED.
8408         (Symbol::is_undefined): Likewise.
8409         (Symbol::is_weak_undefined): Call is_undefined.
8410         (Symbol::is_absolute): Handle IS_CONSTANT.
8411         (class Sized_symbol): Update declarations to split different
8412         versions of init.  Declare init_undefined.
8413         (class Symbol_table): Declare new functions.
8414         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8415         Change all callers.
8416         (Symbol::init_base_output_data): Likewise.
8417         (Symbol::init_base_output_segment): Likewise.
8418         (Symbol::init_base_constant): Likewise.
8419         (Symbol::init_base_undefined): New function.
8420         (Sized_symbol::init_object): Rename from init.  Change all
8421         callers.
8422         (Sized_symbol::init_output_data): Likewise.
8423         (Sized_symbol::init_output_segment): Likewise.
8424         (Sized_symbol::init_constant): Likewise.
8425         (Sized_symbol::init_undefined): New function.
8426         (Symbol_table::add_undefined_symbols_from_command_line): New
8427         function.
8428         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8429         function.
8430         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8431         (Symbol::output_section): Likewise.
8432         (Symbol::set_output_section): Likewise.
8433         (Symbol_table::sized_finalize_symbol): Likewise.
8434         (Symbol_table::sized_write_globals): Likewise.
8435         * resolve.cc (Symbol_table::should_override): Likewise.
8436         (Symbol::override_base_with_special): Likewise.
8438         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8439         symbol, change it to have default visibility.
8440         * testsuite/protected_1.cc: New file.
8441         * testsuite/protected_2.cc: New file.
8442         * testsuite/protected_3.cc: New file.
8443         * testsuite/protected_main_1.cc: New file.
8444         * testsuite/protected_main_2.cc: New file.
8445         * testsuite/protected_main_3.cc: New file.
8446         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8447         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8448         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8449         (protected_1.so): New target.
8450         (protected_1_pic.o, protected_2_pic.o): New targets.
8451         (protected_3_pic.o): New target.
8452         (check_PROGRAMS): Add protected_2.
8453         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8454         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8455         * testsuite/Makefile.in: Rebuild.
8457         * options.h (DEFINE_var): Add set_user_set_##varname__.
8458         (DEFINE_bool_alias): New macro.
8459         (class General_options): Define -Bstatic using DEFINE_bool_alias
8460         rather than DEFINE_special.  Add --undefined as an alias for -z
8461         defs.
8462         * options.cc (General_options::parse_Bstatic): Remove.
8464         * options.h (class General_options): Add --fatal-warnings.
8465         * main.cc (main): Implement --fatal-warnings.
8466         * errors.h (Errors::warning_count): New function.
8468         * options.h (class General_options): Add -Bsymbolic-functions.
8469         * symtab.h (Symbol::is_preemptible): Check for
8470         -Bsymbolic-functions.
8472 2008-05-05  Ian Lance Taylor  <iant@google.com>
8474         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8475         as noVARNAME rather than no-VARNAME.
8476         (class General_options): Add option -z combreloc.
8477         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8478         get_address.
8479         (Output_reloc::sort_before) [SHT_REL]: New function.
8480         (Output_reloc::sort_before) [SHT_RELA]: New function.
8481         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8482         Sort_relocs_comparison.
8483         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8484         parameter.  Change all callers.
8485         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8486         sort_relocs parameter.  Change all callers.
8487         * output.cc (Output_reloc::get_address): New function, broken out
8488         of write_rel.
8489         (Output_reloc::write_rel): Call it.
8490         (Output_reloc::compare): New function.
8491         (Output_data_reloc_base::do_write): Optionally sort relocs.
8493         * configure.ac: If targ_extra_obj is set, link it in.
8494         * configure.tgt: Initialize all variables.
8495         (x86_64*): Set targ_extra_obj and targ_extra_size.
8496         * configure: Rebuild.
8498         * object.cc (Sized_relobj::include_section_group): Adjust section
8499         indexes read from group data.  Build vector to pass to
8500         layout_group.
8501         * layout.cc (Layout::layout_group): Add flags and shndxes
8502         parameters.  Remove contents parameter.  Change caller.  Update
8503         explicit instantiations.
8504         * layout.h (class Layout): Update layout_group declaration.
8505         * output.cc (Output_data_group::Output_data_group): Add flags and
8506         input_shndxes parameters.  Remove contents parameter.  Change
8507         caller.
8508         (Output_data_group::do_write): Change input_sections_ to
8509         input_shndxes_.
8510         * output.h (class Output_data_group): Update constructor
8511         declaration.  Rename input_sections_ to input_shndxes_.
8512         * testsuite/many_sections_test.cc: Add template.
8514 2008-04-30  Cary Coutant  <ccoutant@google.com>
8516         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8518         * layout.cc (Layout::include_section): Refactored check for debug
8519         info section.
8520         (Layout::add_comdat): Add new parameters.  Change type
8521         of signature parameter.  Add object and shndx to signatures table.
8522         (Layout::find_kept_object): New function.
8523         * layout.h: Include <cstring>.
8524         (Layout::is_debug_info_section): New function.
8525         (Layout::add_comdat): Add new parameters.
8526         (Layout::find_kept_object): New function.
8527         (Layout::Kept_section): New struct.
8528         (Layout::Signatures): Change type of map range.
8529         * object.cc (Relobj::output_section_address): New function.
8530         (Sized_relobj::include_section_group): Add new parameters.  Change
8531         calls to Layout::add_comdat.  Change to build table of kept comdat
8532         groups and table mapping discarded sections to kept sections.
8533         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8534         (Sized_relobj::do_layout): Change calls to include_section_group and
8535         include_linkonce_section.
8536         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8537         value to zero when section is discarded.
8538         (Sized_relobj::map_to_kept_section): New function.
8539         * object.h (Relobj::output_section_address): New function.
8540         (Relobj::Comdat_group): New type.
8541         (Relobj::find_comdat_group): New function.
8542         (Relobj::Comdat_group_table): New type.
8543         (Relobj::Kept_comdat_section): New type.
8544         (Relobj::Kept_comdat_section_table): New type.
8545         (Relobj::add_comdat_group): New function.
8546         (Relobj::set_kept_comdat_section): New function.
8547         (Relobj::get_kept_comdat_section): New function.
8548         (Relobj::comdat_groups_): New field.
8549         (Relobj::kept_comdat_sections_): New field.
8550         (Symbol_value::input_value): Update comment.
8551         (Sized_relobj::map_to_kept_section) New function.
8552         (Sized_relobj::include_linkonce_section): Add new parameter.
8553         * target-reloc.h (Comdat_behavior): New type.
8554         (get_comdat_behavior): New function.
8555         (relocate_section): Add code to map a discarded section to the
8556         corresponding kept section when applying a relocation.
8558 2008-04-30  Craig Silverstein  <csilvers@google.com>
8560         * dwarf_reader.cc (next_generation_count): New static var.
8561         (Addr2line_cache_entry): New struct.
8562         (addr2line_cache): New static var.
8563         (Dwarf_line_info::one_addr2line): Added caching.
8564         (Dwarf_line_info::clear_addr2line_cache): New function.
8565         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8566         cache-size parameter.
8567         (Dwarf_line_info::one_addr2line_cache): New function.
8568         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8569         new cache-size argument to one_addr2line(), and clear cache.
8571 2008-04-28  Cary Coutant  <ccoutant@google.com>
8573         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8574         R_386_PC8 relocations.
8576 2008-04-23  Ian Lance Taylor  <iant@google.com>
8578         * object.cc (Sized_relobj::include_section_group): Check for
8579         invalid section group.
8581         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8582         header size.
8584         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8585         than read for file header.
8586         * archive.cc (Archive::include_member): Likewise.
8588 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8590         * aclocal.m4: Regenerate.
8591         * configure: Regenerate.
8593 2008-04-19  Ian Lance Taylor  <iant@google.com>
8595         * version.cc (version_string): Bump to 1.6.
8597         * testsuite/Makefile.am (many_sections_r_test): New target.
8598         (many_sections_r_test_SOURCES): Remove.
8599         (many_sections_r_test_DEPENDENCIES): Remove.
8600         (many_sections_r_test_LDFLAGS): Remove.
8601         (many_sections_r_test_LDADD): Remove.
8603         * object.cc (Sized_relobj::do_add_symbols): Always pass
8604         local_symbol_count_ to add_from_relobj.
8606         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8607         every thousand variables.
8608         * testsuite/Makefile.in: Rebuild.
8610         * object.cc (Xindex::initialize_symtab_xindex): New function.
8611         (Xindex::read_symtab_xindex): New function.
8612         (Xindex::sym_xindex_to_shndx): New function.
8613         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8614         available.
8615         (Sized_relobj::do_initialize_xindex): New function.
8616         (Sized_relobj::do_read_symbols): Adjust section links.
8617         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8618         parameter.  Change all callers.
8619         (Sized_relobj::include_section_group): Adjust section links and
8620         symbol section indexes.
8621         (Sized_relobj::do_layout): Adjust section links.
8622         (Sized_relobj::do_count_local_symbols): Adjust section links and
8623         symbol section indexes.
8624         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8625         ordinary and special symbols.
8626         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8627         dynsym_xindex parameters.  Change all callers.  Adjust section
8628         links.  Use SHN_XINDEX when needed.
8629         (Sized_relobj::get_symbol_location_info): Adjust section links.
8630         Don't get fooled by special symbols.
8631         * object.h (class Xindex): Define.
8632         (class Object): Add xindex_ parameter.  Declare virtual functoin
8633         do_initialize_xindex.
8634         (Object::adjust_sym_shndx): New function.
8635         (Object::set_xindex): New protected function.
8636         (class Symbol_value): Add is_ordinary_shndx_ field.
8637         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8638         (Symbol_value::value): Assert ordinary section.
8639         (Symbol_value::initialize_input_to_output_map): Likewise.
8640         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8641         Change all callers.
8642         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8643         all callers.
8644         (class Sized_relobj): Update declarations.
8645         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8646         parameter.  Change all callers.
8647         (Sized_relobj::adjust_shndx): New function.
8648         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8649         field.
8650         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8651         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8652         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8653         (Sized_dynobj::read_dynsym_section): Adjust section links.
8654         (Sized_dynobj::read_dynamic): Likewise.
8655         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8656         section links.
8657         (Sized_dynobj::do_initialize_xindex): New function.
8658         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8659         do_initialize_xindex.
8660         (Sized_dynobj::adjust_shndx): New function.
8661         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8662         dynsym_xindex_ fields.
8663         (Layout::finalize): Add a call to set_section_indexes before
8664         creating the symtab sections.
8665         (Layout::set_section_indexes): Don't do anything if the section
8666         already has a section index.
8667         (Layout::create_symtab_sections): Add shnum parameter.  Change
8668         caller.  Create .symtab_shndx section if needed.
8669         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8670         caller.
8671         (Layout::allocated_output_section_count): New function.
8672         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8673         needed.
8674         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8675         fields.  Update declarations.
8676         (Layout::symtab_xindex): New function.
8677         (Layout::dynsym_xindex): New function.
8678         (class Write_symbols_task): Add layout_ field.
8679         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8680         Change caller.
8681         * output.cc (Output_section_headers::Output_section_headers): Add
8682         shstrtab_section parameter.  Change all callers.
8683         (Output_section_headers::do_sized_write): Store overflow values
8684         for section count and section string table section index in
8685         section header zero.
8686         (Output_file_header::do_sized_write): Check for overflow of
8687         section count and section string table section index.
8688         (Output_symtab_xindex::do_write): New function.
8689         (Output_symtab_xindex::endian_do_write): New function.
8690         * output.h (class Output_section_headers): Add shstrtab_section_.
8691         Update declarations.
8692         (class Output_symtab_xindex): Define.
8693         (Output_section::has_out_shndx): New function.
8694         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8695         field.
8696         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8697         Change all callers.
8698         (Sized_symbol::init): Likewise.
8699         (Symbol::output_section): Check for ordinary symbol.
8700         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8701         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8702         callers.
8703         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8704         Change all callers.  Simplify handling of symbols from sections
8705         not included in the link.
8706         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8707         distinction.
8708         (Weak_alias_sorter::operator()): Assert that symbols are
8709         ordinary.
8710         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8711         distinction.
8712         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8713         parameters.  Change all callers.
8714         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8715         symbol distinction.  Use SHN_XINDEX when needed.
8716         (Symbol_table::write_section_symbol): Add symtab_xindex
8717         parameter.  Change all callers.
8718         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8719         SHN_XINDEX when needed.
8720         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8721         declarations.
8722         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8723         (Symbol::is_defined): Check is_ordinary.
8724         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8725         (Symbol::is_absolute, Symbol::is_common): Likewise.
8726         (class Sized_symbol): Update declarations.
8727         (class Symbol_table): Update declarations.
8728         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8729         parameters.  Change all callers.
8730         (Sized_symbol::override): Likewise.
8731         (Symbol_table::override): Likewise.
8732         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8733         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8734         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8735         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8736         to be in an ordinary section.
8737         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8738         object and is_ordinary parameters.  Change all callers.
8739         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8740         Change all callers.  Don't add undefined or non-ordinary symbols
8741         to reloc_map_.
8742         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8743         Change all callers.
8744         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8745         declarations.
8746         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8747         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8748         (Sized_relobj::relocate_sections): Likewise.
8749         * target-reloc.h (scan_relocs): Adjust section symbol index.
8750         (scan_relocatable_relocs): Likewise.
8751         * i386.cc (Scan::local): Check for ordinary symbols.
8752         * sparc.cc (Scan::local): Likewise.
8753         * x86_64.cc (Scan::local): Likewise.
8754         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8755         to symbol_section_and_value.
8756         * testsuite/many_sections_test.cc: New file.
8757         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8758         (check_PROGRAMS): Add many_sections_test.
8759         (many_sections_test_SOURCES): Define.
8760         (many_sections_test_DEPENDENCIES): Define.
8761         (many_sections_test_LDFLAGS): Define.
8762         (BUILT_SOURCES): Add many_sections_define.h.
8763         (many_sections_define.h): New target.
8764         (BUILT_SOURCES): Add many_sections_check.h.
8765         (many_sections_check.h): New target.
8766         (check_PROGRAMS): Add many_sections_r_test.
8767         (many_sections_r_test_SOURCES): Define.
8768         (many_sections_r_test_DEPENDENCIES): Define.
8769         (many_sections_r_test_LDFLAGS): Define.
8770         (many_sections_r_test_LDADD): Define.
8771         (many_sections_r_test.o): New target.
8772         * testsuite/Makefile.in: Rebuild.
8774 2008-04-17  Cary Coutant  <ccoutant@google.com>
8776         * errors.cc (Errors::info): New function.
8777         (gold_info): New function.
8778         * errors.h (Errors::info): New function.
8779         * gold.h (gold_info): New function.
8780         * object.cc (Input_objects::add_object): Print trace output.
8781         * options.cc (options::parse_set): New function.
8782         (General_options::parse_wrap): Deleted.
8783         (General_options::General_options): Deleted initializer.
8784         * options.h (options::String_set): New typedef.
8785         (options::parse_set): New function.
8786         (DEFINE_set): New macro.
8787         (General_options::wrap): Changed to use DEFINE_set. Changed
8788         callers of any_wrap_symbols and is_wrap_symbol.
8789         (General_options::trace, General_options::trace_symbol):
8790         New options.
8791         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8792         (General_options::wrap_symbols_): Deleted.
8793         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8795 2008-04-17  David S. Miller  <davem@davemloft.net>
8797         * options.cc (General_options::parse_V): New function.
8798         * options.h: Add entries for -V and -Qy.
8800 2008-04-17  Ian Lance Taylor  <iant@google.com>
8802         * common.cc (Symbol_table::allocate_commons): Remove options
8803         parameter.  Change caller.
8804         (Symbol_table::do_allocate_commons): Remove options parameter.
8805         Change caller.  Just call do_allocate_commons_list twice.
8806         (Symbol_table::do_allocate_commons_list): New function, broken out
8807         of do_allocate_commons.
8808         * common.h (class Allocate_commons_task): Remove options_ field.
8809         Update constructor.
8810         * symtab.cc (Symbol_table::Symbol_table): Initialize
8811         tls_commons_.
8812         (Symbol_table::add_from_object): Put TLS common symbols on
8813         tls_commons_ list.
8814         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8815         which are IN_OUTPUT_DATA.
8816         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8817         allocate_commons and do_allocate_commons declarations.  Declare
8818         do_allocate_commons_list.
8819         * gold.cc (queue_middle_tasks): Update creation of
8820         Allocate_commons_task to not pass options.
8821         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8822         (TLS_TEST_C_FLAGS): New variable.
8823         (tls_test_c_pic.o): New target.
8824         (tls_test_shared.so): Link in tls_test_c_pic.o.
8825         (tls_test_c_pic_ie.o): New target.
8826         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8827         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8828         (tls_test_c.o): New target.
8829         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8830         (tls_pic_test_LDADD): Likewise.
8831         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8832         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8833         (tls_test_c_gnu2.o): New target.
8834         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8835         tls_test_c_gnu2.o.
8836         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8837         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8838         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8839         * testsuite/tls_test.cc: Include "config.h".
8840         (t_last): Call t11_last.
8841         * testsuite/tls_test.h (t11, t11_last): Declare.
8842         * testsuite/tls_test_c.c: New file.
8843         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8844         * configure.ac: Check for OpenMP support.
8845         * configure, config.in, Makefile.in: Rebuild.
8846         * testsuite/Makefile.in: Rebuild.
8848 2008-04-16  Cary Coutant  <ccoutant@google.com>
8850         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8851         (Target_i386::tls_base_symbol_defined_): New field.
8852         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8853         (Target_i386::Scan::global): Likewise.
8854         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8855         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8856         (Target_x86_64::tls_base_symbol_defined_): New field.
8857         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8858         (Target_x86_64::Scan::global): Likewise.
8860 2008-04-16  Cary Coutant  <ccoutant@google.com>
8862         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8863         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8864         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8865         building shared libraries.
8866         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8867         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8868         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8869         * testsuite/Makefile.in: Rebuild.
8870         * testsuite/weak_undef.h: New file.
8871         * testsuite/weak_undef_file1.cc: Add extra test cases.
8872         * testsuite/weak_undef_file2.cc: Likewise.
8873         * testsuite/weak_undef_test.cc: Likewise.
8875 2008-04-16  David S. Miller  <davem@davemloft.net>
8877         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8878         Add issued_non_pic_error_ field.  Declare check_non_pic.
8879         (Target_sparc::Scan::check_non_pic): New function.
8880         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8881         (Target_sparc::Scan::global): Likewise.
8883         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8884         * configure: Rebuild.
8886         * options.h (DEFINE_enable): New macro.
8887         (new_dtags): New enable option.
8888         (initfirst, interpose, loadfltr, nodefaultlib,
8889         nodelete, nodlopen, nodump): New -z options.
8890         * layout.cc (Layout:finish_dynamic_section): If new
8891         dtags enabled, emit DT_RUNPATH.  Also, emit a
8892         DT_FLAGS_1 containing any specified -z flags.
8894 2008-04-16  Ian Lance Taylor  <iant@google.com>
8896         * copy-relocs.cc: New file.
8897         * copy-relocs.h: New file.
8898         * reloc.cc: Remove Copy_relocs code.
8899         * reloc.h: Likewise.
8900         * reloc-types.h (struct Reloc_types) [both versions]: Add
8901         get_reloc_addend_noerror.
8902         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8903         variants of add_global which take an addend which must be zero.
8904         * i386.cc: Include "copy-relocs.h".
8905         (class Target_i386): Change type of copy_relocs_ to variable,
8906         update initializer.
8907         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8908         Change all callers.
8909         (Target_i386::do_finalize_sections): Change handling of
8910         copy_relocs_.
8911         * sparc.cc: Include "copy-relocs.h".
8912         (class Target_sparc): Change type of copy_relocs_ to variable,
8913         update initializer.
8914         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8915         Change all callers.
8916         (Target_sparc::do_finalize_sections): Change handling of
8917         copy_relocs_.
8918         * x86_64.cc: Include "copy-relocs.h".
8919         (class Target_x86_64): Change type of copy_relocs_ to variable,
8920         update initializer.
8921         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8922         class.  Change all callers.
8923         (Target_x86_64::do_finalize_sections): Change handling of
8924         copy_relocs_.
8925         * Makefile.am (CCFILES): Add copy-relocs.cc.
8926         (HFILES): Add copy-relocs.h.
8928         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
8930         * testsuite/script_test_4.sh: Permit leading zeroes.
8932 2008-04-15  Ian Lance Taylor  <iant@google.com>
8934         * script-sections.cc (Script_sections::create_segments): Use
8935         header_size_adjustment even when there is enough room for the
8936         headers.
8937         * testsuite/script_test_4.sh: New file.
8938         * testsuite/script_test_4.t: New file.
8939         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
8940         (check_DATA): Add script_test_4.stdout.
8941         (MOSTLYCLEANFILES): Likewise.
8942         (script_test_4): New target.
8943         (script_test_4.stdout): New target.
8944         * testsuite/Makefile.in: Rebuild.
8946         * sparc.cc: Add definitions for Output_data_plt_sparc class
8947         constants.
8949 2008-04-14  David S. Miller  <davem@davemloft.net>
8951         * sparc.cc: New file.
8952         * Makefile.am (TARGETSOURCES): Add sparc.cc
8953         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
8954         * configure.tgt: Document targ_extra_size and
8955         targ_extra_big_endian.  Add entries for sparc-* and
8956         sparc64-*.
8957         * configure.ac: Handle targ_extra_size and
8958         targ_extra_big_endian.
8959         * Makefile.in: Rebuild.
8960         * configure: Likewise.
8961         * po/POTFILES.in: Likewise.
8962         * po/gold.pot: Likewise.
8964 2008-04-14  Ian Lance Taylor  <iant@google.com>
8966         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
8967         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
8968         in the name/type/flags to section mapping.  Don't call
8969         allocate_output_section.
8970         (Layout::choose_output_section): Change parameter from adjust_name
8971         to is_input_section.  Don't permit input sections after sections
8972         are attached to segments.  Don't call allocate_output_section.
8973         (Layout::layout_eh_frame): Call update_flags_for_input_section,
8974         not write_enable_output_section.
8975         (Layout::make_output_section): Don't push to
8976         unattached_section_list_ nor call attach_to_segment.  Call
8977         attach_section_to_segment if sections are attached.
8978         (Layout::attach_sections_to_segments): New function.
8979         (Layout::attach_section_to_segment): New function.
8980         (Layout::attach_allocated_section_to_segment): Rename from
8981         attach_to_segment.  Remove flags parameter.
8982         (Layout::allocate_output_section): Remove function.
8983         (Layout::write_enable_output_section): Remove function.
8984         * layout.h (class Layout): Update for above changes.  Add new
8985         field sections_are_attached_.
8986         * output.h (Output_section::update_flags_for_input_section): New
8987         function.
8988         * output.cc (Output_section::add_input_section): Call
8989         update_flags_for_input_section.
8990         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
8992 2008-04-11  Cary Coutant  <ccoutant@google.com>
8994         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
8995         thought unnecessary.
8996         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
8998 2008-04-11  Ian Lance Taylor  <iant@google.com>
9000         * output.h (class Output_section_data): Remove inline definition
9001         of set_addralign.
9002         * output.cc (Output_section_data::set_addralign): New function.
9004 2008-04-11  Cary Coutant  <ccoutant@google.com>
9006         Add support for TLS descriptors for i386 and x86_64.
9007         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
9008         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
9009         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
9010         GOT_TYPE_TLS_DESC.
9011         (Target_i386::got_mod_index_entry): Remove unnecessary code.
9012         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
9013         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
9014         relocations.
9015         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
9016         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
9017         Fix problem with initial-exec relocations.
9018         (Target_i386::Relocate::relocate_tls): Likewise.
9019         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
9020         relaxation.
9021         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
9022         support for section-plus-offset dynamic table entries.
9023         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
9024         (Output_data_dynamic::Dynamic_entry): Add support for
9025         section-plus-offset dynamic table entries.
9026         (Output_data_dynamic::Classification): Likewise.
9027         (Output_data_dynamic::classification_): Renamed offset_.
9028         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
9029         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
9030         (Target_x86_64::make_plt_section): New function.
9031         (Target_x86_64::reserve_tlsdesc_entries): New function.
9032         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
9033         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
9034         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
9035         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
9036         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
9037         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
9038         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
9039         add extra PLT entry for TLS descriptors.
9040         (Output_data_plt_x86_64::got_): New field.
9041         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
9042         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
9043         fields.
9044         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
9045         descriptors.
9046         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
9047         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
9048         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
9049         R_386_TLS_DESC_CALL relocations.
9050         (Target_x86_64::Scan::global): Likewise.
9051         (Target_x86_64::do_finalize_sections): Add dynamic table entries
9052         for TLS descriptors.
9053         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
9054         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
9055         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
9056         GD-to-IE relaxation.
9057         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
9058         and TLS_DESCRIPTORS.
9059         * Makefile.in: Rebuild.
9060         * configure: Rebuild.
9061         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
9062         (tls_test_shared2.so): New target.
9063         (tls_shared_gd_to_ie_test_SOURCES): New variable.
9064         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
9065         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
9066         (tls_shared_gd_to_ie_test_LDADD): New variable.
9067         (tls_shared_gnu2_gd_to_ie_test): New target.
9068         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
9069         New targets.
9070         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
9071         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
9072         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
9073         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
9074         (tls_shared_gnu2_test): New target.
9075         (tls_test_gnu2_shared.so): New target.
9076         (tls_shared_gnu2_test_SOURCES): New variable.
9077         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
9078         (tls_shared_gnu2_test_LDFLAGS): New variable.
9079         (tls_shared_gnu2_test_LDADD): New variable.
9080         * testsuite/Makefile.in: Rebuild.
9081         * testsuite/Makefile.
9083 2008-04-11  Ian Lance Taylor  <iant@google.com>
9085         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
9086         justsyms.t.
9087         * testsuite/Makefile.in: Rebuild.
9089         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
9090         long.
9091         * testsuite/script_test_2.cc (main): Adjust test.
9093 2008-04-11  David S. Miller  <davem@davemloft.net>
9094             Ian Lance Taylor  <iant@google.com>
9096         * options.h (General_options): Add entries for '-Y' and
9097         '-relax'.
9098         * options.cc (General_options:finalize): If -Y was used, add those
9099         entries to the library path instead of the default "/lib" and
9100         "/usr/lib".
9102 2008-04-11  David S. Miller  <davem@davemloft.net>
9104         * testsuite/justsyms.t: Start at 0x100.
9105         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
9106         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
9107         long.
9108         * testsuite/script_test_2.cc: Adjust string and section length
9109         checks.
9111 2008-04-09  Ian Lance Taylor  <iant@google.com>
9113         PR gold/5996
9114         * script-sections.cc (Sections_element::allocate_to_segment): Add
9115         orphan parameter.
9116         (Output_section_definition::allocate_to_segment): Likewise.
9117         (Orphan_output_section::allocate_to_segment): Likewise.
9118         (Script_sections::attach_sections_using_phdrs_clause): Don't
9119         propagate non-PT_LOAD segments to orphan sections.
9120         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9121         readelf rather than objdump.
9122         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9123         .interp section and PT_INTERP segment are the same size.
9124         * testsuite/Makefile.in: Rebuild.
9126         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9127         aliases for symbols defined in the same object.
9128         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9129         (weak_alias_test_SOURCES): New variable.
9130         (weak_alias_test_DEPENDENCIES): New variable.
9131         (weak_alias_test_LDFLAGS): New variable.
9132         (weak_alias_test_LDADD): New variable.
9133         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9134         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9135         (weak_alias_test_3.o): New target.
9136         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9137         * testsuite/weak_alias_test_main.cc: New file.
9138         * testsuite/weak_alias_test_1.cc: New file.
9139         * testsuite/weak_alias_test_2.cc: New file.
9140         * testsuite/weak_alias_test_3.cc: New file.
9142 2008-04-08  Ian Lance Taylor  <iant@google.com>
9144         * options.h (class General_options): Add --noinhibit-exec option.
9145         * main.cc (main): Check --noinhibit-exec.
9147         * options.h (class General_options): Define --wrap as a special
9148         option.  Add wrap_symbols_ field.
9149         (General_options::any_wrap_symbols): New function.
9150         (General_options::is_wrap_symbol): New function.
9151         * options.cc (General_options::parse_wrap): New function.
9152         (General_options::General_options): Initialize wrap_symbols_.
9153         * symtab.cc (Symbol_table::wrap_symbol): New function.
9154         (Symbol_table::add_from_object): Handle --wrap.
9155         * symtab.h (class Symbol_table): Declare wrap_symbol.
9156         * target.h (Target::wrap_char): New function.
9157         (Target::Target_info): Add wrap_char field.
9158         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9159         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9160         * testsuite/testfile.cc (Target_test::test_target_info):
9161         Likewise.
9163         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9164         there is one.
9166         * layout.h (class Layout): Add added_eh_frame_data_ field.
9167         * layout.cc (Layout::Layout): Initialize new field.
9168         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9169         output section until we find a section we merged successfully.
9170         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9171         that the size be non-zero.
9173         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9174         qualifier.
9176 2008-04-08  Craig Silverstein  <csilvers@google.com>
9178         * configure.ac: Export new conditional variable HAVE_ZLIB.
9179         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9180         on HAVE_ZLIB.
9181         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9182         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9184 2008-04-07  Ian Lance Taylor  <iant@google.com>
9186         * version.cc (version_string): Set to "1.5".
9188         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9189         Add issued_non_pic_error_ field.  Declare check_non_pic.
9190         (Target_x86_64::Scan::check_non_pic): New function.
9191         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9192         (Target_x86_64::Scan::global): Likewise.
9194         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9195         addend parameter.  Change caller.  Handle merge sections.
9196         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9197         Address to Addend.  Don't add in the result of
9198         local_section_offset, pass down the addend and use the returned
9199         value.
9200         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9201         Update declarations of local_section_offset and symbol_value.
9202         * testsuite/two_file_test_1.cc (t18): New function.
9203         * testsuite/two_file_test_2.cc (f18): New function.
9204         * testsuite/two_file_test_main.cc (main): Call t18.
9205         * testsuite/two_file_test.h (t18, f18): Declare.
9207         * configure.ac: Don't test for objdump, c++filt, or readelf.
9208         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
9209         conditionals.
9210         (TEST_READELF): New variable.
9211         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
9212         (check_PROGRAMS): Add two_file_strip_test.
9213         (two_file_strip_test): New target.
9214         (check_PROGRAMS): Add two_file_same_shared_strip_test.
9215         (two_file_same_shared_strip_test_SOURCES): New variable.
9216         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
9217         (two_file_same_shared_strip_test_LDFLAGS): New variable.
9218         (two_file_same_shared_strip_test_LDADD): New variable.
9219         (two_file_shared_strip.so): New target.
9220         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
9221         (ver_test_5.syms, ver_test_7.syms): Likewise.
9222         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
9223         (strip_test_3.stdout): Use TEST_OBJDUMP.
9224         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9226 2008-04-04  Cary Coutant  <ccoutant@google.com>
9228         * symtab.h (Symbol::is_weak_undefined): New function.
9229         (Symbol::is_strong_undefined): New function.
9230         (Symbol::is_absolute): New function.
9231         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
9232         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
9233         absolute symbols.
9234         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
9235         (weak_undef_test): New target.
9236         * testsuite/Makefile.in: Rebuild.
9237         * testsuite/weak_undef_file1.cc: New file.
9238         * testsuite/weak_undef_file2.cc: New file.
9239         * testsuite/weak_undef_test.cc: New file.
9241 2008-04-03  Craig Silverstein  <csilvers@google.com>
9243         * compressed_output.h (class Output_compressed_section): Use
9244         unsigned buffer.
9245         * compressed_output.cc (zlib_compress): Use unsigned buffers,
9246         add zlib header.
9247         (zlib_compressed_suffix): Removed.
9248         (Output_compressed_section::set_final_data_size): Use unsigned
9249         buffers.
9250         * testsuite/Makefile.am (flagstest_compress_debug_sections):
9251         Fix linker invocation.
9252         (flagstest_o_specialfile_and_compress_debug_sections):
9253         Likewise.
9254         * testsuite/Makefile.in: Regenerated.
9256 2008-04-02  David S. Miller  <davem@davemloft.net>
9258         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
9259         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
9261 2008-04-02  Craig Silverstein  <csilvers@google.com>
9263         * TODO: New file.
9265 2008-04-02  Ian Lance Taylor  <iant@google.com>
9267         * fileread.cc (File_read::find_view): Add byteshift and vshifted
9268         parameters.  Update for new key type to views_.  Change all
9269         callers.
9270         (File_read::read): Adjust for byteshift in returned view.
9271         (File_read::add_view): New function, broken out of
9272         find_and_make_view.
9273         (File_read::make_view): New function, broken out of
9274         find_and_make_view.
9275         (File_read::find_or_make_view): Add offset and aligned
9276         parameters.  Rewrite accordingly.  Change all callers.
9277         (File_read::get_view): Add offset and aligned parameters.  Adjust
9278         for byteshift in return value.
9279         (File_read::get_lasting_view): Likewise.
9280         * fileread.h (class File_read): Update declarations.
9281         (class File_read::View): Add byteshift_ field.  Add byteshift to
9282         constructor.  Add byteshift method.
9283         * archive.h (Archive::clear_uncached_views): New function.
9284         (Archive::get_view): Add aligned parameter.  Change all callers.
9285         * object.h (Object::get_view): Add aligned parameter.  Change all
9286         callers.
9287         (Object::get_lasting_view): Likewise.
9289         * fileread.cc (File_read::release): Don't call clear_views if
9290         there are multiple objects.
9291         * fileread.h (File_read::clear_uncached_views): New function.
9292         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
9293         on the archive.
9295 2008-03-31  Cary Coutant  <ccoutant@google.com>
9297         Add thin archive support.
9298         * archive.cc (Archive::armagt): New const.
9299         (Archive::setup): Remove task parameter and calls to unlock.
9300         (Archive::unlock_nested_archives): New function.
9301         (Archive::read_header): Add nested_off parameter. Change
9302         all callers.
9303         (Archive::interpret_header): Likewise.
9304         (Archive::include_all_members): Change to handle thin
9305         archives.
9306         (Archive::include_member): Likewise.
9307         * archive.h (Archive::Archive): Add new parameters and
9308         initializers.
9309         (Archive::armagt): New const.
9310         (Archive::setup): Remove task parameter.
9311         (Archive::unlock_nested_archives): New function.
9312         (Archive::read_header): Add nested_off parameter.
9313         (Archive::interpret_header): Likewise.
9314         (Archive::Nested_archive_table): New typedef.
9315         (Archive::is_thin_archive_): New field.
9316         (Archive::nested_archives_): New field.
9317         (Archive::options_): New field.
9318         (Archive::dirpath_): New field.
9319         (Archive::task_): New field.
9320         * readsyms.cc (Read_symbols::do_read_symbols): Add check
9321         for thin archives.  Pass additional parameters to
9322         Archive::Archive.  Unlock the archive file after calling
9323         Archive::setup.
9325 2008-03-29  Ian Lance Taylor  <iant@google.com>
9327         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
9328         version symbol to be local.
9329         * testsuite/ver_test_4.sh: New file.
9330         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
9331         (check_DATA): Add ver_test_4.syms.
9332         (ver_test_4.syms): New target.
9333         * testsuite/Makefile.in: Rebuild.
9335         * output.cc
9336         (Output_section::Input_section_sort_entry::has_priority): New
9337         function.
9338         (Output_section::Input_section_sort_entry::match_file_name): New
9339         function.
9340         (Output_section::Input_section_sort_entry::match_section_name):
9341         Remove.
9342         (Output_section::Input_section_sort_entry::match_section_name_prefix):
9343         Remove.
9344         (Output_section::Input_section_sort_entry::match_section_file):
9345         Remove.
9346         (Output_section::Input_section_sort_compare::operator()): Rewrite
9347         using new Input_section_sort_entry functions.  Sort crtbegin and
9348         crtend first.  Sort sections with no priority before sections with
9349         a priority.
9350         * testsuite/initpri1.c (d3): Check j != 4.
9351         (cd5): New constructor/destructor function.
9352         (main): Check j != 2.
9354         * symtab.cc (Symbol_table::add_from_object): If we don't use the
9355         new symbol when resolving, don't call set_is_default.
9356         * testsuite/ver_test_7.cc: New file.
9357         * testsuite/ver_test_7.sh: New file.
9358         * testsuite/Makefile.am (ver_test_7.so): New target.
9359         (ver_test_7.o): New target.
9360         (check_SCRIPTS): Add ver_test_7.sh.
9361         (check_DATA): Add ver_test_7.syms.
9362         (ver_test_7.syms): New target.
9364 2008-03-28  Ian Lance Taylor  <iant@google.com>
9366         * layout.cc (Layout::layout): If we see an input section with a
9367         name that needs sorting, set the must_sort flag for the output
9368         section.
9369         (Layout::make_output_section): If the name of the output section
9370         indicates that it might require sorting, set the may_sort flag.
9371         * output.h (Output_section::may_sort_attached_input_sections): New
9372         function.
9373         (Output_section::set_may_sort_attached_input_sections): New
9374         function.
9375         (Output_section::must_sort_attached_input_sections): New
9376         function.
9377         (Output_section::set_must_sort_attached_input_sections): New
9378         function.
9379         (class Output_section): Declare Input_section_sort_entry.  Define
9380         Input_section_sort_compare.  Declare
9381         sort_attached_input_sections.  Add new fields:
9382         may_sort_attached_input_sections_,
9383         must_sort_attached_input_sections_,
9384         attached_input_sections_are_sorted_.
9385         * output.cc (Output_section::Output_section): Initialize new
9386         fields.
9387         (Output_section::add_input_section): Add an entry to
9388         input_sections_ if may_sort or must_sort are true.
9389         (Output_section::set_final_data_size): Call
9390         sort_attached_input_sections if necessary.
9391         (Output_section::Input_section_sort_entry): Define new class.
9392         (Output_section::Input_section_sort_compare::operator()): New
9393         function.
9394         (Output_section::sort_attached_input_sections): New function.
9395         * configure.ac: Check whether the compiler supports constructor
9396         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9397         * testsuite/initpri1.c: New file.
9398         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9399         CONSTRUCTOR_PRIORITY.
9400         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9401         (initpri1_LDFLAGS): New variable.
9402         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9404 2008-03-27  Ian Lance Taylor  <iant@google.com>
9406         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9407         * testsuite/common_test_1.c: New file.
9408         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9409         (common_test_1_SOURCES): New variable.
9410         (common_test_1_DEPENDENCIES): New variable.
9411         (common_test_1_LDFLAGS): New variable.
9413         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9414         and commons_ correctly when NAME/VERSION does not override
9415         NAME/NULL.
9416         * testsuite/ver_test_6.c: New file.
9417         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9418         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9419         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9421 2008-03-26  Ian Lance Taylor  <iant@google.com>
9423         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9424         of an undefined symbol from a version script.
9425         * testsuite/Makefile.am (ver_test_5.so): New target.
9426         (ver_test_5.o): New target.
9427         (check_SCRIPTS): Add ver_test_5.sh.
9428         (check_DATA): Add ver_test_5.syms.
9429         (ver_test_5.syms): New target.
9430         * testsuite/ver_test_5.cc: New file.
9431         * testsuite/ver_test_5.script: New file.
9432         * testsuite/ver_test_5.sh: New file.
9433         * Makefile.in, testsuite/Makefile.in: Rebuild.
9435         PR gold/5986
9436         Fix problems building gold with gcc 4.3.0.
9437         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9438         (gold_error_at_location, gold_warning_at_location): Use it.
9439         * configure.ac: Check whether we can compile and use a template
9440         function with a printf attribute.
9441         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9442         when jumping over bytes.
9443         * object.cc: Instantiate Object::read_section_data.
9444         * debug.h: Include <cstring>
9445         * dwarf_reader.cc: Include <algorithm>
9446         * main.cc: Include <cstring>.
9447         * options.cc: Include <cstring>.
9448         * output.cc: Include <cstring>.
9449         * script.cc: Include <cstring>.
9450         * script.h: Include <string>.
9451         * symtab.cc: Include <cstring> and <algorithm>.
9452         * target-select.cc: Include <cstring>.
9453         * version.cc: Include <string>.
9454         * testsuite/testmain.cc: Include <cstdlib>.
9455         * configure, config.in: Rebuild.
9457 2008-03-25  Ian Lance Taylor  <iant@google.com>
9459         * options.cc: Include "../bfd/bfdver.h".
9460         (options::help): Print bug reporting address.
9462         * version.cc (print_version): Adjust output for current value of
9463         BFD_VERSION_STRING.
9465         * NEWS: New file.
9467         * options.cc (options::help): Print list of supported targets.
9468         * target-select.h: Include <vector>.
9469         (class Target_selector): Make machine_, size_, and is_big_endian_
9470         fields const.  Add bfd_name_ and instantiated_target_ fields.
9471         (Target_selector::Target_selector): Add bfd_name parameter.
9472         (Target_selector::recognize): Make non-virtual, call
9473         do_recognize.
9474         (Target_selector::recognize_by_name): Make non-virtual, call
9475         do_recognize_by_name.
9476         (Target_selector::supported_names): New function.
9477         (Target_selector::bfd_name): New function.
9478         (Target_selector::do_instantiate_target): New pure virtual
9479         function.
9480         (Target_selector::do_recognize): New virtual function.
9481         (Target_selector::do_recognize_by_name): New virtual function.
9482         (Target_selector::instantiate_target): New private function.
9483         (supported_target_names): Declare.
9484         * target-select.cc (Target_selector::Target_selector): Update for
9485         new parameter and fields.
9486         (select_target_by_name): Check that the name matches before
9487         calling recognize_by_name.
9488         (supported_target_names): New function.
9489         * i386.cc (class Target_selector_i386): Update Target_selector
9490         constructor call.  Remove recognize and recognize_by_name.  Add
9491         do_instantiate_target.
9492         * x86_64.cc (class Target_selector_x86_64): Likewise.
9493         * testsuite/testfile.cc (class Target_selector_test): Update for
9494         changes to Target_selector.
9496         * README: Rewrite, with some notes on unsupported features.
9498 2008-03-24  Cary Coutant  <ccoutant@google.com>
9500         * i386.cc (Target_i386::Got_type): New enum declaration.
9501         (Target_i386::Scan::local): Updated callers of Output_data_got
9502         member functions.
9503         (Target_i386::Scan::global): Likewise.
9504         (Target_i386::Relocate::relocate): Likewise.
9505         (Target_i386::Relocate::relocate_tls): Likewise.
9506         * object.h (Got_offset_list): New class.
9507         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9508         (Sized_relobj::local_got_offset): Likewise.
9509         (Sized_relobj::set_local_got_offset): Likewise.
9510         (Sized_relobj::local_has_tls_got_offset): Removed.
9511         (Sized_relobj::local_tls_got_offset): Removed.
9512         (Sized_relobj::set_local_tls_got_offset): Removed.
9513         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9514         * output.cc (Output_data_got::add_global): Added got_type parameter.
9515         (Output_data_got::add_global_with_rel): Likewise.
9516         (Output_data_got::add_global_with_rela): Likewise.
9517         (Output_data_got::add_global_pair_with_rel): New function.
9518         (Output_data_got::add_global_pair_with_rela): New function.
9519         (Output_data_got::add_local): Added got_type parameter.
9520         (Output_data_got::add_local_with_rel): Likewise.
9521         (Output_data_got::add_local_with_rela): Likewise.
9522         (Output_data_got::add_local_pair_with_rel): New function.
9523         (Output_data_got::add_local_pair_with_rela): New function.
9524         (Output_data_got::add_global_tls): Removed.
9525         (Output_data_got::add_global_tls_with_rel): Removed.
9526         (Output_data_got::add_global_tls_with_rela): Removed.
9527         (Output_data_got::add_local_tls): Removed.
9528         (Output_data_got::add_local_tls_with_rel): Removed.
9529         (Output_data_got::add_local_tls_with_rela): Removed.
9530         * output.h (Output_data_got::add_global): Added got_type parameter.
9531         (Output_data_got::add_global_with_rel): Likewise.
9532         (Output_data_got::add_global_with_rela): Likewise.
9533         (Output_data_got::add_global_pair_with_rel): New function.
9534         (Output_data_got::add_global_pair_with_rela): New function.
9535         (Output_data_got::add_local): Added got_type parameter.
9536         (Output_data_got::add_local_with_rel): Likewise.
9537         (Output_data_got::add_local_with_rela): Likewise.
9538         (Output_data_got::add_local_pair_with_rel): New function.
9539         (Output_data_got::add_local_pair_with_rela): New function.
9540         (Output_data_got::add_global_tls): Removed.
9541         (Output_data_got::add_global_tls_with_rel): Removed.
9542         (Output_data_got::add_global_tls_with_rela): Removed.
9543         (Output_data_got::add_local_tls): Removed.
9544         (Output_data_got::add_local_tls_with_rel): Removed.
9545         (Output_data_got::add_local_tls_with_rela): Removed.
9546         * resolve.cc (Symbol::override_base_with_special): Removed
9547         reference to has_got_offset_ field.
9548         * symtab.cc (Symbol::init_fields): Replaced initialization
9549         of got_offset_ with got_offsets_.  Removed initialization
9550         of has_got_offset_
9551         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9552         (Symbol::got_offset): Likewise.
9553         (Symbol::set_got_offset): Likewise.
9554         (Symbol::has_tls_got_offset): Removed.
9555         (Symbol::tls_got_offset): Removed.
9556         (Symbol::set_tls_got_offset): Removed.
9557         (Symbol::got_offset_): Removed.
9558         (Symbol::tls_mod_got_offset_): Removed.
9559         (Symbol::tls_pair_got_offset_): Removed.
9560         (Symbol::got_offsets_): New field.
9561         (Symbol::has_got_offset): Removed.
9562         (Symbol::has_tls_mod_got_offset): Removed.
9563         (Symbol::has_tls_pair_got_offset): Removed.
9564         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9565         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9566         member functions.
9567         (Target_x86_64::Scan::global): Likewise.
9568         (Target_x86_64::Relocate::relocate): Likewise.
9569         (Target_x86_64::Relocate::relocate_tls): Likewise.
9571 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9573         * yyscript.y: Fix spelling error in comment.
9575 2008-03-24  Ian Lance Taylor  <iant@google.com>
9577         * options.h (class General_options): Define build_id option.
9578         * layout.h (class Layout): Declare write_build_id, create_note,
9579         create_build_id.  Add build_id_note_ member.
9580         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9581         "libiberty.h", "md5.h", "sha1.h".
9582         (Layout::Layout): Initialize eh_frame_data_,
9583         eh_frame_hdr_section_, and build_id_note_.
9584         (Layout::finalize): Call create_build_id.
9585         (Layout::create_note): New function, broken out of
9586         Layout::create_gold_note.
9587         (Layout::create_gold_note): Call create_note.
9588         (Layout::create_build_id): New function.
9589         (Layout::write_build_id): New function.
9590         (Close_task_runner::run): Call write_build_id.
9592         * x86_64.cc: Correct license to GPLv3.
9594 2008-03-23  Ian Lance Taylor  <iant@google.com>
9596         * options.cc: Include "demangle.h".
9597         (parse_optional_string): New function.
9598         (parse_long_option): Handle takes_optional_argument.
9599         (parse_short_option): Update dash_z initializer.  Handle
9600         takes_optional_argument.
9601         (General_options::General_options): Initialize do_demangle_.
9602         (General_options::finalize): Set do_demangle_.  Handle demangling
9603         style.
9604         * options.h (parse_optional_string): Declare.
9605         (struct One_option): Add optional_arg field.  Update constructor.
9606         Update call constructor calls.  Add takes_optional_argument
9607         function.
9608         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9609         (DEFINE_optional_string): Define.
9610         (General_options::demangle): Change from DEFINE_bool to
9611         DEFINE_optional_string.
9612         (General_options::no_demangle): New function.
9613         (General_options::do_demangle): New function.
9614         (General_options::set_do_demangle): New function.
9615         (General_options::execstack_status_): Move definition to end of
9616         class definition.
9617         (General_options::static_): Likewise.
9618         (General_options::do_demangle_): New field.
9619         * object.cc (big_endian>::get_symbol_location_info): Call
9620         Options::do_demangle, not Options::demangle.
9621         * symtab.cc (demangle): Likewise.
9623 2008-03-22  Ian Lance Taylor  <iant@google.com>
9625         * gold.h: Include <cstddef> and <sys/types.h>
9626         * options.h: Include <cstring>.
9628 2008-03-21  Ian Lance Taylor  <iant@google.com>
9630         * Added source code to GNU binutils.