gold: fix race in FileRead::~View.
[binutils.git] / gold / ChangeLog
blob526fb78ae7bbd377830876ee891ad37465be38cf
1 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
4         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
5         Move definition before File_read::View member definitions.
6         (File_read::View::~View): Initialize and hold lock before
7         updating current_mapped_bytes.
9 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11         * dwarf_reader.cc: Remove outdated comment.
12         * gold-threads.cc: Fix typo in error message.
13         * archive.cc: Fix typos in comments.
14         * archive.h: Likewise.
15         * arm-reloc-property.cc: Likewise.
16         * arm-reloc-property.h: Likewise.
17         * arm-reloc.def: Likewise.
18         * arm.cc: Likewise.
19         * attributes.h: Likewise.
20         * cref.cc: Likewise.
21         * ehframe.cc: Likewise.
22         * fileread.h: Likewise.
23         * gold.h: Likewise.
24         * i386.cc: Likewise.
25         * icf.cc: Likewise.
26         * incremental.h: Likewise.
27         * int_encoding.cc: Likewise.
28         * layout.h: Likewise.
29         * main.cc: Likewise.
30         * merge.h: Likewise.
31         * object.cc: Likewise.
32         * object.h: Likewise.
33         * options.cc: Likewise.
34         * readsyms.cc: Likewise.
35         * reduced_debug_output.cc: Likewise.
36         * reloc.cc: Likewise.
37         * script-sections.cc: Likewise.
38         * sparc.cc: Likewise.
39         * symtab.h: Likewise.
40         * target-reloc.h: Likewise.
41         * target.cc: Likewise.
42         * target.h: Likewise.
43         * timer.cc: Likewise.
44         * timer.h: Likewise.
45         * x86_64.cc: Likewise.
47 2010-12-09  Cary Coutant  <ccoutant@google.com>
49         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
50         stack.
51         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
52         parameter; change all callers.
53         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
54         * options.h (warn_execstack): New option.
56 2010-12-07  Doug Kwan  <dougkwan@google.com>
58         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
59         like function call relocations.
61 2010-12-07  Ian Lance Taylor  <iant@google.com>
63         * archive.cc (Archive::get_elf_object_for_member): Permit
64         punconfigured to be NULL.
65         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
66         (Archive::include_member): Pass NULL to get_elf_object_for_member
67         if we searched for the archive and this is the first included
68         object.
70 2010-12-01  Ian Lance Taylor  <iant@google.com>
72         * dwarf_reader.h (class Sized_dwarf_line_info): Add
73         track_relocs_type_ field.
74         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
75         Set track_relocs_type_.
76         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
77         contents when using RELA relocs.
78         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
79         reloc_map_.
80         * reloc.cc (Track_relocs::next_addend): New function.
81         * reloc.h (class Track_relocs): Declare next_addend.
83 2010-12-01  Ian Lance Taylor  <iant@google.com>
85         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
86         virtual destructor.
88 2010-12-01  Ian Lance Taylor  <iant@google.com>
90         * README: Update compilers known to work and fail.
92 2010-11-23  Matthias Klose  <doko@ubuntu.com>
94         * configure.in: For --enable-gold, handle value `default' instead of
95         `both*'.  Always install ld as ld.bfd, install as ld if gold is
96         not the default.
97         * configure: Regenerate.
99 2010-11-18  Doug Kwan  <dougkwan@google.com>
101         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
102         and right_alignment to be zero.  Store result alignment only if it is
103         greater than existing alignment.
105 2010-11-16  Cary Coutant  <ccoutant@google.com>
107         PR gold/12220
108         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
109         Check for ".zdebug_line".
111 2010-11-16  Doug Kwan  <dougkwan@google.com>
112             Cary Coutant  <ccoutant@google.com>
114         * output.h (Output_segment::set_section_addresses): Pass increase_relro
115         by reference; adjust all callers.
116         * output.cc (Output_segment::set_section_addresses): Adjust references
117         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
118         list is empty.
119         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
120         end at page boundary.
122 2010-11-16  Cary Coutant  <ccoutant@google.com>
124         PR gold/12220
125         * layout.cc (Layout::choose_output_section): Transform names of
126         compressed sections even when using a script with a SECTIONS clause.
127         (Layout::output_section_name): Remove code to transform
128         compressed debug section names.
129         * output.cc (Output_section::add_input_section): Use uncompressed
130         section size when tracking input sections.
132 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
134         * symtab.h (Symbol::NON_PIC_REF): Remove.
135         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
136         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
137         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
138         (Symbol::use_plt_offset): Take a flags argument and pass it
139         directly to needs_dynamic_reloc.  Restrict check for undefined
140         weak symbols to function calls.
141         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
142         (Target_arm::Scan::global): Use it.
143         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
144         (Target_arm::Relocate::relocate): Likewise.
145         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
146         parameter with an r_type parameter.  Use get_reference_flags
147         to get the flags.
148         (Target_arm::Relocate::relocate): Update accordingly.
149         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
150         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
151         (Target_i386::Scan::global): Likewise.
152         (Target_i386::Relocate::relocate): Likewise.
153         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
154         parameter with an r_type parameter.  Use get_reference_flags
155         to get the flags.
156         (Target_i386::Relocate::relocate): Update accordingly.
157         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
158         (Target_powerpc::Scan::global): Use it.
159         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
160         (Target_powerpc::Relocate::relocate): Likewise.
161         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
162         (Target_sparc::Scan::global): Use it.
163         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
164         (Target_sparc::Relocate::relocate): Likewise.
165         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
166         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
167         (Target_x86_64::Scan::global): Likewise.
168         (Target_x86_64::Relocate::relocate): Likewise.
170 2010-11-08  Doug Kwan  <dougkwan@google.com>
171             Cary Coutant  <ccoutant@google.com>
173         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
174         (Arm_exidx_merge_section::section_contents_): New data member.
175         (Arm_input_section::Arm_input_section): Initialize original_contents_.
176         (Arm_input_section::~Arm_input_section): De-allocate memory.
177         (Arm_input_section::original_contents_): New data member.       
178         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
179         in parameters instead of calling Object::section_contents without
180         locking.
181         (Arm_output_section::group_section): New parameter TASK.  Pass it
182         to callees that need locking objects.
183         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
184         to lock EXIDX input sections.  Fix a formatting issue.  Call
185         Arm_exidx_merged_section::build_contents to create merged section
186         contents.
187         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
188         to lock object of stub table owner.
189         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
190         TEXT_SIZE to initialize data member TEXT_SIZE_.
191         (Arm_exidx_input_section::addralign): Fix typo in comment.
192         (Arm_exidx_input_section::text_size): New method.
193         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
194         that require locking objects.  Lock objects before scanning for stubs
195         and updating local symbols.
196         (Arm_input_section<big_endian>::init): Copy contents of original
197         input section.
198         (Arm_input_section<big_endian>::do_write): Use saved contents of
199         original input section instead of calling Object::section_contents
200         without locking.
201         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
202         size without calling Object::section_size().
203         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
204         for size.  Allocate a buffer for merged EXIDX entries.
205         (Arm_exidx_merged_section::build_contents): New method.
206         (Arm_exidx_merged_section::do_write): Move merge section contents
207         building code to Arm_exidx_merged_section::build_contetns.  Write
208         out contetns in buffer instead of building it on the fly.
209         (Arm_relobj::make_exidx_input_section): Also pass text section size
210         to Arm_exidx_input_section constructor.
211         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
212         (Arm_dynobj::do_read_symbols): Fix memory leak.
213         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
214         * target.h: (class Task): Add forward declaration.
215         (Target::relax): Add new parameter TASK and pass it to
216         Target::do_relax().
217         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
219 2010-11-05  Cary Coutant  <ccoutant@google.com>
221         PR gold/10708
222         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
223         object when reading from the file.
224         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
225         second layout pass.
226         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
227         when reading section contents.
228         (get_section_contents): Likewise.
229         (icf::find_identical_sections): Likewise.
230         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
231         object when reading from the file.
232         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
233         the object when doing deferred section layout.
235 2010-11-03  Nick Clifton  <nickc@redhat.com>
237         PR gold/12001
238         * script.h (class Symbol_assignment: name): New member.  Returns
239         the name of the symbol.
240         * scrfipt.cc (Script_options::is_pending_assignment): New member.
241         Returns true if the given symbol name is on the list of
242         assignments wating to be processed.
243         * archive.cc (should_incldue_member): If the symbol is undefined,
244         check to see if it is on the list of symbols pending assignment.
246 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
248         * script-sections.cc (Script_sections::find_memory_region): Check
249         for a NULL output section pointer.
251 2010-10-29  Doug Kwan  <dougkwan@google.com>
253         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
254         Output_section::add_relaxed_input_section.
255         * output.cc (Output_section::add_relaxed_input_section): Add new
256         arguments LAYOUT and NAME.  Set section order index.
257         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
258         Copy section order index.
259         * output.h (Output_section::add_relaxed_input_section): Add new
260         arguments LAYOUT and NAME.
262 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
264         * testsuite/Makefile.am: Move gcctestdir/ld rule to
265         NATIVE_OR_CROSS_LINKER.
266         * testsuite/Makefile.in: Regenerate.
268 2010-10-20  Doug Kwan  <dougkwan@google.com>
270         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
271         without SHF_LINK_ORDER flags.
272         * layout.cc (Layout::choose_output_section): Do not filter
273         SHF_LINK_ORDER flag in a relocatable link.
275 2010-10-17  Cary Coutant  <ccoutant@google.com>
277         * output.h (Output_segment::set_section_addresses): Change function
278         signature.  Update all callers.
279         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
280         sections.
281         (Output_segment::set_section_addresses): Align after last TLS
282         section.  Add padding before last relro section instead of after.
284 2010-10-17  Doug Kwan  <dougkwan@google.com>
286         * gold/arm.cc (Target_arm::got_section): Use correct order and set
287         GOT output section to be writable.
289 2010-10-14  Cary Coutant  <ccoutant@google.com>
291         * debug.h (DEBUG_INCREMENTAL): New flag.
292         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
293         * gold.cc (queue_initial_tasks): Check parameters for incremental link
294         mode.
295         * incremental.cc (report_command_line): Ignore all forms of
296         --incremental.
297         * layout.cc (Layout::Layout): Check parameters for incremental link
298         mode.
299         * options.cc (General_options::parse_incremental): New function.
300         (General_options::parse_no_incremental): New function.
301         (General_options::parse_incremental_full): New function.
302         (General_options::parse_incremental_update): New function.
303         (General_options::incremental_mode_): New data member.
304         (General_options::finalize): Check incremental_mode_.
305         * options.h (General_options): Update help text for --incremental.
306         Add --no-incremental, --incremental-full, --incremental-update.
307         (General_options::Incremental_mode): New enum type.
308         (General_options::incremental_mode): New function.
309         (General_options::incremental_mode_): New data member.
310         * parameters.cc (Parameters::incremental_mode_): New data member.
311         (Parameters::set_options): Set incremental_mode_.
312         (Parameters::set_incremental_full): New function.
313         (Parameters::incremental): New function.
314         (Parameters::incremental_update): New function.
315         (set_parameters_incremental_full): New function.
316         * parameters.h (Parameters::set_incremental_full): New function.
317         (Parameters::incremental): New function.
318         (Parameters::incremental_update): New function.
319         (Parameters::incremental_mode_): New data member.
320         (set_parameters_incremental_full): New function.
321         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
322         incremental link mode.
323         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
324         (Sized_relobj::do_relocate_sections): Likewise.
325         * testsuite/Makefile.am (incremental_test): Use --incremental-full
326         option.
327         * testsuite/Makefile.in: Regenerate.
328         * testsuite/incremental_test.sh: Filter all forms of --incremental.
330 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
332         * script-sections.h (class Script_sections): Make
333         Sections_elements typedef public.
334         * script-sections.cc (class Sort_output_sections): Add elements_
335         field.  Add constructor which sets it; change all callers.
336         (Sort_output_sections::is_before): New function.
337         (Sort_output_sections::operator()): Call is_before.
338         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
339         conditional.
340         * testsuite/script_test_10.sh: New test. Test script section
341         order.
342         * testsuite/script_test_10.t: Likewise.
343         * testsuite/script_test_10.s: Likewise.
344         * testsuite/Makefile.am: Wrap the cross linker tests and the
345         common tests into NATIVE_OR_CROSS_LINKER.
346         (check_SCRIPTS): Add script_test_10.sh.
347         (check_DATA): Add script_test_10.stdout.
348         (script_test_10.o, script_test_10): New targets.
349         (script_test_10.stdout): New target.
350         * configure, testsuite/Makefile.in: Regenerate.
352 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
354         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
355         error for the deprecated relocations.
356         (Target_arm::Scan::global): Likewise.
357         (Target_arm::Relocate::relocate): Likewise.
359 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
361         * fileread.cc (Input_file::find_file): Initialize *found_name
362         and *namep when using the fallback search for case 4.
364 2010-10-11  Cary Coutant  <ccoutant@google.com>
366         * options.h (class General_options): Redefine -z lazy as an alias for
367         the negation of -z now.
369 2010-10-11  Ian Lance Taylor  <iant@google.com>
371         * resolve.cc (symbol_to_bits): Report the value of the unsupported
372         binding.
374 2010-10-06  Nick Clifton  <nickc@redhat.com>
376         * script-sections.cc(class Memory_region): Remove
377         current_lma_offset_ field.  Rename current_vma_offset_ to
378         current_offset_.  Add last_section_ field.
379         (Memory_region::get_current_vma_address): Rename to
380         get_current_address.
381         (Memory_region::get_current_lma_address): Delete.
382         (Memory_region::increment_vma_offset): Rename to
383         increment_offset.
384         (Memory_region::increment_lma_offset): Delete.
385         (Memory_region::attributes_compatible): New method.  Returns
386         true if the provided section is compatible with the region.
387         (Memory_region::get_last_section): New method.  Returns the last
388         section to use the region.
389         (Memory_region::set_last_section): New method.  Stores the last
390         section to use the region.
391         (Script_sections::block_in_region): New method.  Returns true if
392         a block of memory is contained within a region.
393         (Script_sections::find_memory_region): New method.  Locates a
394         memory region to be used to set a VMA or LMA address.
395         (Output_section_definition::set_section_addresses): Add code to
396         check for addresses set by memory regions.
397         (Output_segment::set_section_addresses): Remove memory region
398         walking code.
399         (Script_sections::create_segment): Add a warning if a header
400         segment is created outside of any region.
401         * script-sections.h (class Script_sections): Add prototypes for
402         find_memory_region and block_in_region methods.
403         * testsuite/memory_test.s: Use .long instead of .word.
404         * testsuite/memory_test.t: Add some more output sections.
405         * testsuite/memory_test.sh: Update expected output.
407 2010-10-02  Doug Kwan  <dougkwan@google.com>
409         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
410         defintion to symtab.h
411         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
412         declaration to defintion.
414 2010-10-01  Nick Clifton  <nickc@redhat.com>
416         * expression.cc (eval): Replace dummy argument with NULL.
417         (eval_maybe_dot): Check for a NULL result section pointer.
418         (Symbol_expression::value): Likewise.
419         (Dot_expression::value): Likewise.
420         (BINARY_EXPRESSION): Likewise.
421         (Max_expression::value): Likewise.
422         (Min_expression::value): Likewise.
423         (Absolute_expression::value): Likewise.
424         (Addr_expression::value_from_output_section): Likewise.
425         (Loaddddr_expression::value_from_output_section): Likewise.
426         (Segment_start_expression::value): Likewise.
427         * script-sections.cc
428         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
429         argument with NULL.
430         (Sections_elememt_dot_assignment::set_section_addresses):
431         Likewise.
432         (Output_data_expression::do_write_to_buffer): Likewise.
433         (Output_section_definition::finalize_symbols): Likewise.
434         (Output_section_definition::set_section_addresses): Likewise.
436 2010-09-30  Doug Kwan  <dougkwan@google.com>
438         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
440 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
442         * target.h (Target::can_icf_inline_merge_sections): New virtual
443         function.
444         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
445         virtual function.
446         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
447         virtual function.
448         * icf.cc (get_section_contents): Inline merge sections only when
449         target allows it.
451 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
453         * configure: Regenerate.
455 2010-09-17  Ian Lance Taylor  <iant@google.com>
457         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
458         * testsuite/Makefile.am (memory_test.o): New target.
459         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
460         memory_test.t.
461         * testsuite/Makefile.in: Rebuild.
463 2010-09-17  Doug Kwan  <dougkwan@google.com>
465         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
466         defintion if relocation uses GOT entries of the symbol.
467         * testsuite/icf_safe_test.sh: Fix test.
468         * testsuite/icf_safe_so_test.sh: Fix test.
470 2010-09-16  Cary Coutant  <ccoutant@google.com>
472         * script_sections.cc (class Memory_region): Remove "NULL" from
473         vector initializations.
475 2010-09-15  Cary Coutant  <ccoutant@google.com>
477         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
478         Resolve forwarding symbols.
480 2010-09-15  Doug Kwan  <dougkwan@google.com>
482         * gold/testsuite/script_test_3.t: Add ARM special sections.
483         * gold/testsuite/script_test_4.t: Same.
484         * gold/testsuite/script_test_5.t: Same.
485         * gold/testsuite/script_test_6.t: Same.
486         * gold/testsuite/script_test_7.t: Same.
487         * gold/testsuite/script_test_7.t: Same.
488         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
490 2010-09-14  Cary Coutant  <ccoutant@google.com>
492         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
493         (Target_x86_64::Relocate::relocate_tls): Replace check for
494         saw_tls_block_reloc_ with test for executable section.
496 2010-09-12  Cary Coutant  <ccoutant@google.com>
498         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
499         position-independent executables to shared libraries need dynamic
500         relocations.
501         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
502         position-independent executables.
503         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
504         * testsuite/Makefile.in: Regenerate.
506 2010-09-10  Nick Clifton  <nickc@redhat.com>
508         PR gold/11997
509         * testsuite/memory_test.t: Discard any sections that are not
510         needed.
512 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
514         PR gold/11996
515         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
516         "This::" to work around a bug in gcc 4.2.
518         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
520 2010-09-09  Rafael Espindola  <espindola@google.com>
522         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
523         sections with different PF_X flags in the same segment.
524         (Layout::find_first_load_seg): Search all segments to find the first
525         one.
526         * options.h (rosegment): New.
528 2010-09-08  Rafael Espindola  <espindola@google.com>
530         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
532 2010-09-08  Doug Kwan  <dougkwan@google.com>
534         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
535         (Arm_relobj::do_relocate_sections): Add new parameter for output
536         file to match the parent.
537         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
538         of local symbols instead of input values.  Update code to track
539         changes in gold::relocate_section.
540         * object.cc (Sized_relobj::compute_final_local_value): New methods.
541         (Sized_relobj::compute_final_local_value_internal): New methods.
542         (Sized_relobj::do_finalize_local_symbols): Move code from loop
543         body into private version of Sized_relobj::compute_final_local_value.
544         Call the inline method.
545         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
546         merged symbol value if there is one.
547         (Symbol_value::has_output_value): New method defintiion.
548         (Sized_relobj::Compute_final_local_value_status): New enum type.
549         (Sized_relobj::compute_final_local_value): New methods.
550         (Sized_relobj::compute_final_local_value_internal): New methods.
551         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
552         and arm_cortex_a8.sh.
553         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
554         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
555         New tests.
556         * Makefile.in: Regenerate.
557         * testsuite/arm_bl_out_of_range.s: Update test.
558         * testsuite/thumb_bl_out_of_range.s: Ditto.
559         * testsuite/thumb_blx_out_of_range.s: Ditto.
560         * testsuite/arm_branch_out_of_range.sh: New file.
561         * testsuite/arm_cortex_a8.sh: Ditto.
562         * testsuite/arm_cortex_a8_b.s: Ditto.
563         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
564         * testsuite/arm_cortex_a8_b_local.s: Ditto.
565         * testsuite/arm_cortex_a8_bl.s: Ditto.
566         * testsuite/arm_cortex_a8_blx.s: Ditto.
567         * testsuite/arm_cortex_a8_local.s: Ditto.
568         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
569         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
571 2010-09-08  Rafael Espindola  <espindola@google.com>
573         * Makefile.am (memory_test.stdout): Run readelf with -W.
574         * Makefile.in: Regenerate.
575         * testsuite/memory_test.sh: Make the regexps accept both 32 and
576         64 bit output.
578 2010-09-08  Rafael Espindola  <espindola@google.com>
580         * script-sections.cc (Script_sections::add_memory_region): Convert
581         field precision to int.
582         * script.cc (script_set_section_region, script_set_section_region):
583         Convert field precision to int.
585 2010-09-08  Rafael Espindola  <espindola@google.com>
587         * arm.cc (do_finalize_sections): Create the __exidx_start and
588         __exdix_end symbols even when the section is missing.
590 2010-09-08  Nick Clifton  <nickc@redhat.com>
592         * README: Remove claim that MEMORY is not supported.
593         * expression.cc (script_exp_function_origin)
594         (script_exp_function_length): Move from here to ...
595         * script.cc: ... here.
596         (script_set_section_region, script_add_memory)
597         (script_parse_memory_attr, script_include_directive): New
598         functions.
599         * script-sections.cc
600         (class Memory_region): New class.
601         (class Output_section_definition): Add set_memory_region,
602         set_section_vma, set_section_lma and get_section_name methods.
603         (class Script_Sections): Add add_memory_region,
604         find_memory_region, find_memory_region_origin,
605         find_memory_region_length and set_memory_region methods.
606         Have set_section_addresses method walk the list of set memory
607         regions.
608         Extend the print methos to display memory regions.
609         * script-sections.h: Add prototypes for new methods.
610         Add enum for MEMORY region attributes.
611         * yyscript.y: Add support for parsing MEMORY regions.
612         * script-c.h: Add prototypes for new functions.
613         * testsuite/Makefile.am: Add test of MEMORY region functionality.
614         * testsuite/Makefile.in: Regenerate.
615         * testsuite/memory_test.sh: New script.
616         * testsuite/memory_test.s: New assembler source file.
617         * testsuite/memory_test.t: New linker script.
619 2010-08-27  Doug Kwan  <dougkwan@google.com>
621         * gold/resolve.cc (Symbol_table::should_override): Let a weak
622         reference override an existing dynamic weak reference.
623         * testsuite/Makefile.am: Add new test dyn_weak_ref.
624         * testsuite/Makefile.in: Regenerate.
625         * testsuite/dyn_weak_ref.sh: New file.
626         * testsuite/dyn_weak_ref_1.c: Ditto.
627         * testsuite/dyn_weak_ref_2.c: Ditto.
629 2010-08-27  Ian Lance Taylor  <iant@google.com>
631         * incremental.h (class Incremental_input_entry): Add virtual
632         destructor.
634 2010-08-27  Ian Lance Taylor  <iant@google.com>
636         * testsuite/start_lib_test_3.c: Mark t3 as used.
638 2010-08-27  Nick Clifton  <nickc@redhat.com>
640         * options.cc (version_script): Fix small typo in previous
641         whitespace tidyup.
643 2010-08-25  Nick Clifton  <nickc@redhat.com>
645         * archive.cc: Formatting fixes: Remove whitespace between
646         typename and following asterisk.  Remove whitespace between
647         function name and opening parenthesis.
648         * archive.h: Likewise.
649         * arm.cc: Likewise.
650         * attributes.cc: Likewise.
651         * attributes.h: Likewise.
652         * common.cc: Likewise.
653         * copy-relocs.cc: Likewise.
654         * dirsearch.h: Likewise.
655         * dynobj.cc: Likewise.
656         * ehframe.cc: Likewise.
657         * ehframe.h: Likewise.
658         * expression.cc: Likewise.
659         * fileread.cc: Likewise.
660         * fileread.h: Likewise.
661         * gc.h: Likewise.
662         * gold-threads.cc: Likewise.
663         * gold.cc: Likewise.
664         * i386.cc: Likewise.
665         * icf.h: Likewise.
666         * incremental-dump.cc: Likewise.
667         * incremental.cc: Likewise.
668         * layout.cc: Likewise.
669         * layout.h: Likewise.
670         * main.cc: Likewise.
671         * merge.cc: Likewise.
672         * merge.h: Likewise.
673         * object.cc: Likewise.
674         * object.h: Likewise.
675         * options.cc: Likewise.
676         * options.h: Likewise.
677         * output.cc: Likewise.
678         * output.h: Likewise.
679         * plugin.cc: Likewise.
680         * plugin.h: Likewise.
681         * powerpc.cc: Likewise.
682         * reloc.cc: Likewise.
683         * script-c.h: Likewise.
684         * script-sections.cc: Likewise.
685         * script.cc: Likewise.
686         * stringpool.cc: Likewise.
687         * symtab.cc: Likewise.
688         * symtab.h: Likewise.
689         * target.cc: Likewise.
690         * timer.cc: Likewise.
691         * timer.h: Likewise.
692         * version.cc: Likewise.
693         * x86_64.cc: Likewise.
695 2010-08-24  Nick Clifton  <nickc@redhat.com>
697         PR 11899
698         * layout.cc (segment_precedes): Sort segments by their physical
699         addresses, if they have been set.
701 2010-08-23  Cary Coutant  <ccoutant@google.com>
703         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
704         symbols data.
705         (Lib_group::include_member): Unlock object after deleting its
706         symbols data.
707         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
708         the bug fixed here.
710 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
711             Cary Coutant  <ccoutant@google.com>
713         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
714         constructor, and set_blocker.
715         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
716         readsyms_blocker_.
717         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
718         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
719         * testsuite/Makefile.am (start_lib_test): New test case.
720         * testsuite/Makefile.in: Regenerate.
721         * testsuite/start_lib_test_main.c: New file.
722         * testsuite/start_lib_test_1.c: New file.
723         * testsuite/start_lib_test_2.c: New file.
724         * testsuite/start_lib_test_3.c: New file.
726 2010-08-19  Ian Lance Taylor  <iant@google.com>
728         * Makefile.in: Rebuild with automake 1.11.1.
729         * aclocal.m4: Likewise.
730         * testsuite/Makefile.in: Likewise.
732 2010-08-19  Ian Lance Taylor  <iant@google.com>
734         PR 10893
735         * i386.cc (class Output_data_plt_i386): Update declarations.
736         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
737         local_ifuncs_ fields.
738         (Target_i386::do_plt_section_for_global): New function.
739         (Target_i386::do_plt_section_for_local): New function.
740         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
741         parameter; change all callers.  Initialize global_ifuncs_ and
742         local_ifuncs_.  If doing a static link define __rel_iplt_start and
743         __rel_iplt_end.
744         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
745         (Output_data_plt_i386::add_local_ifunc_entry): New function.
746         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
747         symbols.
748         (Target_i386::make_plt_section): New function, broken out of
749         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
750         (Target_i386::make_plt_entry): Call make_plt_section.
751         (Target_i386::make_local_ifunc_plt_entry): New function.
752         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
753         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
754         R_386_IRELATIVE to switch.
755         (Target_i386::Scan::global): Likewise.
756         (Target_i386::Relocate::relocate): Likewise.
757         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
758         switch.
759         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
760         (Target_x86_64::do_plt_section_for_global): New function.
761         (Target_x86_64::do_plt_section_for_local): New function.
762         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
763         parameter; change all callers.  If doing a static link define
764         __rela_iplt_start and __rela_iplt_end.
765         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
766         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
767         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
768         to point to .plt.
769         (Target_x86_64::make_local_ifunc_plt_entry): New function.
770         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
771         switch.
772         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
773         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
774         R_X86_64_IRELATIVE to switch.
775         (Target_x86_64::Scan::global): Likewise.
776         (Target_x86_64::Relocate::relocate): Likewise.
777         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
778         switch.
779         * target.h (class Target): Add plt_section_for_global and
780         plt_section_for_local functions.  Add do_plt_section_for_global
781         and do_plt_section_for_local virtual functions.
782         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
783         clarifying comments.
784         (Symbol::use_plt_offset): Handle IFUNC symbol.
785         * object.cc (Sized_relobj::Sized_relobj): Initialize
786         local_plt_offsets_.
787         (Sized_relobj::local_has_plt_offset): New function.
788         (Sized_relobj::local_plt_offset): New function.
789         (Sized_relobj::set_local_plt_offset): New function.
790         (Sized_relobj::do_count): Handle IFUNC symbol.
791         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
792         a bit away from input_shndx_ field.  Add set_is_func_symbol and
793         is_ifunc_symbol functions.
794         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
795         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
796         local_plt_offsets_ field.
797         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
798         * output.h (class Output_section_data): Add non-const
799         output_section function.
800         (class Output_data_got): Update declarations.
801         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
802         Add use_plt_offset parameter to global and local constructors.
803         Change all callers.  Change local_sym_index_ field to 31 bits.
804         Change GSYM_CODE and CONSTANT_CODE accordingly.
805         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
806         doing a static link don't set sh_link field.
807         (Output_data_got::Got_entry::write): Use PLT offset if
808         appropriate.
809         (Output_data_got::add_global_plt): New function.
810         (Output_data_got::add_local_plt): New function.
811         * target-reloc.h (relocate_section): Handle IFUNC symbol.
812         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
813         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
814         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
815         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
816         IFUNC conditional.
817         * testsuite/ifunc-sel.h: New file.
818         * testsuite/ifuncmain1.c: New file.
819         * testsuite/ifuncmain1vis.c: New file.
820         * testsuite/ifuncmod1.c: New file.
821         * testsuite/ifuncdep2.c: New file.
822         * testsuite/ifuncmain2.c: New file.
823         * testsuite/ifuncmain3.c: New file.
824         * testsuite/ifuncmod3.c: New file.
825         * testsuite/ifuncmain4.c: New file.
826         * testsuite/ifuncmain5.c: New file.
827         * testsuite/ifuncmod5.c: New file.
828         * testsuite/ifuncmain6pie.c: New file.
829         * testsuite/ifuncmod6.c: New file.
830         * testsuite/ifuncmain7.c: New file.
831         * configure, testsuite/Makefile.in: Rebuild.
833 2010-08-18  Ian Lance Taylor  <iant@google.com>
835         * incremental.cc
836         (Output_section_incremental_inputs::write_input_files): Add cast
837         to avoid signed/unsigned comparison warning.
838         (Output_section_incremental_inputs::write_info_blocks): Likewise.
840 2010-08-12  Cary Coutant  <ccoutant@google.com>
842         * common.cc (Sort_commons::operator()): Remove unnecessary code.
844 2010-08-13  Ian Lance Taylor  <iant@google.com>
846         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
848 2010-08-12  Cary Coutant  <ccoutant@google.com>
849             Doug Kwan  <dougkwan@google.com>
851         * resolve.cc (Symbol_table::should_override): When a weak dynamic
852         defintion overrides non-weak undef, remember that the original undef
853         is not weak.
854         * symtab.cc (Symbol_table::sized_write_global): For undef without
855         an original weak binding, set binding to global in output.
856         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
857         * testsuite/Makefile.in: Regenerate.
858         * testsuite/strong_ref_weak_def.sh: New file.
859         * testsuite/strong_ref_weak_def_1.c: Ditto.
860         * testsuite/strong_ref_weak_def_2.c: Ditto.
862 2010-08-12  Cary Coutant  <ccoutant@google.com>
864         * testsuite/incremental_test.sh: Rewrite.
865         * testsuite/incremental_test_1.c: Rewrite.
866         * testsuite/incremental_test_2.c: Rewrite.
868 2010-08-12  Cary Coutant  <ccoutant@google.com>
870         * arm.cc (Target_arm::got_size): Add const.
871         (Target_arm::got_entry_count): New function.
872         (Target_arm::plt_entry_count): New function.
873         (Target_arm::first_plt_entry_offset): New function.
874         (Target_arm::plt_entry_size): New function.
875         (Output_data_plt_arm::entry_count): New function.
876         (Output_data_plt_arm::first_plt_entry_offset): New function.
877         (Output_data_plt_arm::get_plt_entry_size): New function.
878         * i386.cc (Target_i386::got_size): Add const.
879         (Target_i386::got_entry_count): New function.
880         (Target_i386::plt_entry_count): New function.
881         (Target_i386::first_plt_entry_offset): New function.
882         (Target_i386::plt_entry_size): New function.
883         (Output_data_plt_i386::entry_count): New function.
884         (Output_data_plt_i386::first_plt_entry_offset): New function.
885         (Output_data_plt_i386::get_plt_entry_size): New function.
886         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
887         find_incremental_inputs_sections.  Dump incremental_got_plt section.
888         * incremental.cc: Include target.h.
889         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
890         parameter.  Adjust all callers.  Find incremental_got_plt section.
891         (Incremental_inputs::create_data_sections): Create incremental_got_plt
892         section.
893         (Output_section_incremental_inputs::set_final_data_size): Calculate
894         size of incremental_got_plt section.
895         (Output_section_incremental_inputs::do_write): Write the
896         incremental_got_plt section.
897         (Got_plt_view_info): New struct.
898         (Local_got_offset_visitor): New class.
899         (Global_got_offset_visitor): New class.
900         (Global_symbol_visitor_got_plt): New class.
901         (Output_section_incremental_inputs::write_got_plt): New function.
902         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
903         Add parameter.  Adjust all callers.
904         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
905         (Incremental_inputs::got_plt_section): New function.
906         (Incremental_inputs::got_plt_section_): New data member.
907         (Incremental_got_plt_reader): New class.
908         * layout.cc (Layout::create_incremental_info_sections): Add the
909         incremental_got_plt section.
910         * object.h (Got_offset_list::get_list): New function.
911         (Got offset_list::for_all_got_offsets): New function.
912         (Sized_relobj::local_got_offset_list): New function.
913         * powerpc.cc (Target_powerpc::got_size): Add const.
914         (Target_powerpc::got_entry_count): New function.
915         (Target_powerpc::plt_entry_count): New function.
916         (Target_powerpc::first_plt_entry_offset): New function.
917         (Target_powerpc::plt_entry_size): New function.
918         (Output_data_plt_powerpc::entry_count): New function.
919         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
920         (Output_data_plt_powerpc::get_plt_entry_size): New function.
921         * sparc.cc (Target_sparc::got_size): Add const.
922         (Target_sparc::got_entry_count): New function.
923         (Target_sparc::plt_entry_count): New function.
924         (Target_sparc::first_plt_entry_offset): New function.
925         (Target_sparc::plt_entry_size): New function.
926         (Output_data_plt_sparc::entry_count): New function.
927         (Output_data_plt_sparc::first_plt_entry_offset): New function.
928         (Output_data_plt_sparc::get_plt_entry_size): New function.
929         * symtab.h (Symbol::got_offset_list): New function.
930         (Symbol_table::for_all_symbols): New function.
931         * target.h (Sized_target::got_entry_count): New function.
932         (Sized_target::plt_entry_count): New function.
933         (Sized_target::plt_entry_size): New function.
934         * x86_64.cc (Target_x86_64::got_size): Add const.
935         (Target_x86_64::got_entry_count): New function.
936         (Target_x86_64::plt_entry_count): New function.
937         (Target_x86_64::first_plt_entry_offset): New function.
938         (Target_x86_64::plt_entry_size): New function.
939         (Output_data_plt_x86_64::entry_count): New function.
940         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
941         (Output_data_plt_x86_64::get_plt_entry_size): New function.
943 2010-08-12  Cary Coutant  <ccoutant@google.com>
945         * archive.cc: Include incremental.h.
946         (Archive::Archive): Initialize incremental_info_.
947         (Archive::include_member): Record archive members in incremental info.
948         (Add_archive_symbols::run): Record begin and end of an archive in
949         incremental info.
950         (Lib_group::include_member): Record objects in incremental info.
951         * archive.h (Incremental_archive_entry): Forward declaration.
952         (Archive::set_incremental_info): New member function.
953         (Archive::incremental_info): New member function.
954         (Archive::Unused_symbol_iterator): New class.
955         (Archive::unused_symbols_begin): New member function.
956         (Archive::unused_symbols_end): New member function.
957         (Archive::incremental_info_): New data member.
958         * incremental-dump.cc (find_input_containing_global): New function.
959         (dump_incremental_inputs): Dump new incremental info sections.
960         * incremental.cc: Include symtab.h.
961         (Output_section_incremental_inputs): New class.
962         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
963         new incremental info sections.
964         (Sized_incremental_binary::do_check_inputs): Likewise.
965         (Incremental_inputs::report_archive): Remove.
966         (Incremental_inputs::report_archive_begin): New function.
967         (Incremental_inputs::report_archive_end): New function.
968         (Incremental_inputs::report_object): New function.
969         (Incremental_inputs::finalize_inputs): Remove.
970         (Incremental_inputs::report_input_section): New function.
971         (Incremental_inputs::report_script): Rewrite.
972         (Incremental_inputs::finalize): Do nothing but finalize string table.
973         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
974         (Incremental_inputs::sized_create_inputs_section_data): Remove.
975         (Incremental_inputs::create_data_sections): New function.
976         (Incremental_inputs::relocs_entsize): New function.
977         (Output_section_incremental_inputs::set_final_data_size): New function.
978         (Output_section_incremental_inputs::do_write): New function.
979         (Output_section_incremental_inputs::write_header): New function.
980         (Output_section_incremental_inputs::write_input_files): New function.
981         (Output_section_incremental_inputs::write_info_blocks): New function.
982         (Output_section_incremental_inputs::write_symtab): New function.
983         * incremental.h (Incremental_script_entry): Forward declaration.
984         (Incremental_object_entry): Forward declaration.
985         (Incremental_archive_entry): Forward declaration.
986         (Incremental_inputs): Forward declaration.
987         (Incremental_inputs_header_data): Remove.
988         (Incremental_inputs_header): Remove.
989         (Incremental_inputs_header_write): Remove.
990         (Incremental_inputs_entry_data): Remove.
991         (Incremental_inputs_entry): Remove.
992         (Incremental_inputs_entry_write): Remove.
993         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
994         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
995         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
996         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
997         Likewise.
998         (Incremental_input_entry): New class.
999         (Incremental_script_entry): New class.
1000         (Incremental_object_entry): New class.
1001         (Incremental_archive_entry): New class.
1002         (Incremental_inputs::Incremental_inputs): Initialize new data members.
1003         (Incremental_inputs::report_inputs): Remove.
1004         (Incremental_inputs::report_archive): Remove.
1005         (Incremental_inputs::report_archive_begin): New function.
1006         (Incremental_inputs::report_archive_end): New function.
1007         (Incremental_inputs::report_object): Change prototype.
1008         (Incremental_inputs::report_input_section): New function.
1009         (Incremental_inputs::report_script): Change prototype.
1010         (Incremental_inputs::get_reloc_count): New function.
1011         (Incremental_inputs::set_reloc_count): New function.
1012         (Incremental_inputs::create_data_sections): New function.
1013         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1014         (Incremental_inputs::inputs_section): New function.
1015         (Incremental_inputs::symtab_section): New function.
1016         (Incremental_inputs::relocs_section): New function.
1017         (Incremental_inputs::get_stringpool): Add const.
1018         (Incremental_inputs::command_line): Add const.
1019         (Incremental_inputs::inputs): Remove.
1020         (Incremental_inputs::command_line_key): New function.
1021         (Incremental_inputs::input_file_count): New function.
1022         (Incremental_inputs::input_files): New function.
1023         (Incremental_inputs::relocs_entsize): New function.
1024         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1025         (Incremental_inputs::finalize_inputs): Remove.
1026         (Incremental_inputs::Input_info): Remove.
1027         (Incremental_inputs::lock_): Remove.
1028         (Incremental_inputs::inputs_): Change type.
1029         (Incremental_inputs::inputs_map_): Remove.
1030         (Incremental_inputs::current_object_entry_): New data member.
1031         (Incremental_inputs::inputs_section_): New data member.
1032         (Incremental_inputs::symtab_section_): New data member.
1033         (Incremental_inputs::relocs_section_): New data member.
1034         (Incremental_inputs::reloc_count_): New data member.
1035         (Incremental_inputs_reader): New class.
1036         (Incremental_symtab_reader): New class.
1037         (Incremental_relocs_reader): New class.
1038         * layout.cc (Layout::finalize): Move finalization of incremental info
1039         and creation of incremental info sections to follow finalization of
1040         symbol table.  Set offsets for postprocessing sections.
1041         (Layout::create_incremental_info_sections): Call
1042         Incremental_inputs::create_data_sections.  Add incremental symtab
1043         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
1044         sections to layout after input sections.
1045         * layout.h (struct Timespec): Forward declaration.
1046         (Layout::incremental_inputs): Add const.
1047         (Layout::create_incremental_info_sections): Add parameter.
1048         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
1049         * object.cc: Include incremental.h.
1050         (Relobj::finalize_incremental_relocs): New function.
1051         (Sized_relobj::do_layout): Record input sections in incremental info.
1052         * object.h (Object::output_section): New function.
1053         (Object::output_section_offset): Moved from Relobj.
1054         (Object::get_incremental_reloc_base): New function.
1055         (Object::get_incremental_reloc_count): New function.
1056         (Object::do_output_section): New function.
1057         (Object::do_output_section_offset): Moved from Relobj.
1058         (Object::do_get_incremental_reloc_base): New function.
1059         (Object::do_get_incremental_reloc_count): New function.
1060         (Object::Object): Initialize new data members.
1061         (Relobj::output_section): Renamed do_output_section and moved to
1062         protected.
1063         (Relobj::output_section_offset): Moved to Object.
1064         (Relobj::do_get_incremental_reloc_base): New function.
1065         (Relobj::do_get_incremental_reloc_count): New function.
1066         (Relobj::allocate_incremental_reloc_counts): New function.
1067         (Relobj::count_incremental_reloc): New function.
1068         (Relobj::finalize_incremental_relocs): New function.
1069         (Relobj::next_incremental_reloc_index): New function.
1070         (Relobj::reloc_counts_): New data member.
1071         (Relobj::reloc_bases_): New data member.
1072         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1073         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1074         (Sized_relobj::incremental_relocs_scan): New function.
1075         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1076         (Sized_relobj::incremental_relocs_write): New function.
1077         (Sized_relobj::incremental_relocs_write_reltype): New function.
1078         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1079         incremental link.
1080         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1081         archives and object files elsewhere.
1082         (Add_symbols::run): Report object files here.
1083         (Finish_group::run): Report end of archive at end of group.
1084         * reloc.cc: Include layout.h, incremental.h.
1085         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1086         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1087         (Sized_relobj::incremental_relocs_scan): New function.
1088         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1089         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1090         (Sized_relobj::incremental_relocs_write): New function.
1091         (Sized_relobj::incremental_relocs_write_reltype): New function.
1092         * script.cc (read_input_script): Rewrite test for incremental link.
1093         Change call to Incremental_inputs::report_script.
1094         * symtab.h (Symbol_table::first_global_index): New function.
1095         (Symbol_table::output_count): New function.
1097 2010-08-12  Doug Kwan  <dougkwan@google.com>
1099         * arm.cc (Target_arm::merge_object_attributes): Check command line
1100         options --no-wchar-size-warning and --no-enum-size-warning.
1101         * options.h (General_options): Add ld-compatible options
1102         --no-enum-size-warning and --no-wchar-size-warning.
1104 2010-08-04  Ian Lance Taylor  <iant@google.com>
1106         * x86_64.cc (Target_x86_64::Scan::local): Use
1107         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1108         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1109         (Target_x86_64::Scan::global): Likewise.
1110         (Target_x86_64::Relocate::relocate): Likewise.
1111         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1112         Likewise.
1114 2010-08-03  Cary Coutant  <ccoutant@google.com>
1116         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1117         to reserve space in merged_strings vector. Keep total input size
1118         for stats.
1119         (Output_merge_string::do_print_merge_stats): Print total input size.
1120         * merge.h (Output_merge_string): Add input_size_ field.
1121         * stringpool.cc (Stringpool_template::string_length): Move
1122         implementations out of Stringpool_template class and place in
1123         stringpool.h.
1124         * stringpool.h (string_length): Move out of Stringpool_template.
1126 2010-08-03  Ian Lance Taylor  <iant@google.com>
1128         PR 11712
1129         * layout.cc (relaxation_loop_body): If address of load segment is
1130         set, adjust address to include headers if possible.
1132 2010-08-03  Ian Lance Taylor  <iant@google.com>
1134         * version.cc (version_string): Bump to 1.10.
1136 2010-08-03  Ian Lance Taylor  <iant@google.com>
1138         PR 11805
1139         * layout.h (enum Output_section_order): Define.
1140         (class Layout): Update declarations.
1141         * layout.cc (Layout::get_output_section): Add order parameter.
1142         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1143         is_first_non_relro parameters.  Change all callers.
1144         (Layout::choose_output_section): Likewise.
1145         (Layout::add_output_section_data): Likewise.
1146         (Layout::make_output_section): Likewise.  Set order.
1147         (Layout::default_section_order): New function.
1148         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1149         * output.cc (Output_section::Output_section): Initialize order_.
1150         Don't initialize deleted fields.
1151         (Output_segment::Output_segment): Don't initialize deleted
1152         fields.
1153         (Output_segment::add_output_section_to_load): New function
1154         replacing add_output_section.  Change all callers to call this or
1155         add_output_section_to_nonload.
1156         (Output_segment::add_output_section_to_nonload): New function.
1157         (Output_segment::remove_output_section): Rewrite.
1158         (Output_segment::add_initial_output_data): Likewise.
1159         (Output_segment::has_any_data_sections): Likewise.
1160         (Output_segment::is_first_section_relro): Likewise.
1161         (Output_segment::maximum_alignment): Likewise.
1162         (Output_segment::has_dynamic_reloc): New function replacing
1163         dynamic_reloc_count.  Change all callers.
1164         (Output_segment::has_dynamic_reloc_list): New function replacing
1165         dynamic_reloc_count_list.  Change all callers.
1166         (Output_segment::set_section_addresses): Rewrite.
1167         (Output_segment::set_offset): Rewrite.
1168         (Output_segment::find_first_and_last_list): Remove.
1169         (Output_segment::set_tls_offsets): Rewrite.
1170         (Output_segment::first_section_load_address): Likewise.
1171         (Output_segment::output_section_count): Likewise.
1172         (Output_segment::section_with_lowest_load_address): Likewise.
1173         (Output_segment::write_section_headers): Likewise.
1174         (Output_segment::print_sections_to_map): Likewise.
1175         * output.h (class Output_data): Remove dynamic_reloc_count_
1176         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
1177         (Output_data::add_dynamic_reloc): Rewrite.
1178         (Output_data::has_dynamic_reloc): New function.
1179         (Output_data::dynamic_reloc_count): Remove.
1180         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
1181         is_last_relro_, is_first_non_relro_, is_interp_,
1182         is_dynamic_linker_section_ fields.  Add order and set_order
1183         functions.  Remove is_relro_local, set_is_relro_local,
1184         is_last_relro, set_is_last_relro, is_first_non_relro,
1185         set_is_first_non_relro functions, is_interp, set_is_interp,
1186         is_dynamic_linker_section, and set_is_dynamic_linker_section
1187         functions.
1188         (class Output_segment): Change Output_data_list from std::list to
1189         std:;vector.  Add output_lists_ field.  Remove output_data_ and
1190         output_bss_ fields.  Update declarations.
1192 2010-08-02  Ian Lance Taylor  <iant@google.com>
1194         * arm.cc (Target_arm::gc_process_relocs): Use typename.
1195         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
1196         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
1198 2010-08-02  Ian Lance Taylor  <iant@google.com>
1200         PR 11855
1201         * script.cc (Script_options::Script_options): Initialize
1202         symbol_definitions_ and symbol_references_.
1203         (Script_options::add_symbol_assignment): Update
1204         symbol_definitions_ and symbol_references_.
1205         (Script_options::add_symbol_reference): New function.
1206         (script_symbol): New function.
1207         * script.h (class Script_options): Add symbol_definitions_ and
1208         symbol_references_ fields.
1209         (Script_options::referenced_const_iterator): New type.
1210         (Script_options::referenced_begin): New function.
1211         (Script_options::referenced_end): New function.
1212         (Script_options::is_referenced): New function.
1213         (Script_options::any_unreferenced): New function.
1214         * script-c.h (script_symbol): Declare.
1215         * yyscript.y (exp): Call script_symbol.
1216         * symtab.cc: Include "script.h".
1217         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
1218         Change all callers.  Check symbols referenced by scripts.
1219         (Symbol_table::add_undefined_symbols_from_command_line): Add
1220         layout parameter.  Change all callers.
1221         (Symbol_table::do_add_undefined_symbols_from_command_line):
1222         Likewise.  Break out loop body.  Check symbols referenced by
1223         scripts.
1224         (Symbol_table::add_undefined_symbol_from_command_line): New
1225         function broken out of
1226         do_add_undefined_symbols_from_command_line.
1227         * symtab.h (class Symbol_table): Update declarations.
1228         * archive.cc: Include "layout.h".
1229         (Archive::should_include_member): Add layout parameter.  Change
1230         all callers.  Check for symbol mentioned in expression.
1231         * archive.h (class Archive): Update declaration.
1232         * object.cc (Sized_relobj::do_should_include_member): Add layout
1233         parameter.
1234         * object.h (Object::should_include_member): Add layout parameter.
1235         Change all callers.
1236         (Object::do_should_include_member): Add layout parameter.
1237         (class Sized_relobj): Update declaration.
1238         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
1239         parameter.
1240         * dynobj.h (class Sized_dynobj): Update declaration.
1241         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
1242         layout parameter.
1243         * plugin.h (class Sized_pluginobj): Update declaration.
1245 2010-08-02  Ian Lance Taylor  <iant@google.com>
1247         PR 11866
1248         * output.cc (Output_segment::set_offset): Search for the first and
1249         last sections rather than assuming that the list is in order.
1250         (Output_segment::find_first_and_last_list): New function.
1251         * output.h (class Output_segment): Update declarations.
1252         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
1253         (relro_strip_test_SOURCES): New variable.
1254         (relro_strip_test_DEPENDENCIES): New variable.
1255         (relro_strip_test_LDFLAGS): New variable.
1256         (relro_strip_test_LDADD): New variable.
1257         (relro_strip_test.so): New target.
1259 2010-08-02  Ian Lance Taylor  <iant@google.com>
1261         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
1262         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
1263         (Target_i386::got_tlsdesc_section): New function.
1264         (Target_i386::got_section): Create space for GOT entries for
1265         TLSDESC relocations.
1266         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
1267         R_386_TLS_GOTDESC.
1268         (Target_i386::Scan::global): Likewise.
1269         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
1270         using TLSDESC GOT.
1271         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
1272         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
1273         (Target_x86_64::got_tlsdesc_section): New function.
1274         (Target_x86_64::got_section): Create space for GOT entries for
1275         TLSDESC relocations.
1276         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
1277         R_386_TLS_GOTDESC.
1278         (Target_x86_64::Scan::global): Likewise.
1279         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
1280         using TLSDESC GOT.
1282 2010-08-02  Ian Lance Taylor  <iant@google.com>
1284         * testsuite/final_layout.sh: Use dc to convert from hex to
1285         decimal.
1287 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
1289         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
1290         paramter to the call to gold::gc_process_relocs.
1291         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
1292         paramter to the call to gold::gc_process_relocs.
1293         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
1294         parameter to the call to gold::gc_process_relocs.
1295         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
1296         template parameter to the call to gold::gc_process_relocs.
1297         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
1298         paramter to the call to gold::gc_process_relocs.
1299         * gc.h (get_embedded_addend_size): New function.
1300         (gc_process_relocs): Save the size of the reloc for use by ICF.
1301         * icf.cc (get_section_contents): Get the addend from the text section
1302         for SHT_REL relocation sections.
1303         * icf.h (Icf::Reloc_addend_size_info): New typedef.
1304         (Icf::Reloc_info): Add new member reloc_addend_size_info.
1305         * int_encoding.h (read_from_pointer): New overloaded function.
1306         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
1307         * testsuite/icf_sht_rel_addend_test.sh: New file.
1308         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
1309         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
1311 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1313         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
1314         * Makefile.in: Regenerate.
1315         * testsuite/Makefile.in: Regenerate.
1317 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
1319         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
1320         * gold/testsuite/debug_msg.cc: Likewise.
1321         * gold/testsuite/odr_violation1.cc
1322         * gold/testsuite/odr_violation2.cc
1324 2010-07-21  Cary Coutant  <ccoutant@google.com>
1326         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
1327         string, and length fields.
1328         (Output_merge_string::Merged_strings_list): New type.
1329         (Output_merge_string::Merged_strings_lists): New typedef.
1330         (Output_merge_string): Replace merged_strings_ with
1331         merged_strings_lists_.
1332         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1333         Merged_strings_list per input object and section.  Don't store pointer
1334         to the string.  Don't store length with each merged string entry.
1335         (Output_merge_string::finalize_merged_data): Loop over list of merged
1336         strings lists.  Recompute length of each merged string.
1338 2010-07-15  Cary Coutant  <ccoutant@google.com>
1340         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1341         here.
1343 2010-07-14  Ian Lance Taylor  <iant@google.com>
1345         * descriptors.cc (Descriptors::open): Report correct name in error
1346         message.
1348 2010-07-13  Doug Kwan  <dougkwan@google.com>
1350         * arm.cc (Arm_input_section::Arm_input_section): For a
1351         SHT_ARM_EXIDX section, always keeps the input sections.
1352         (Arm_input_section::set_exidx_section_link): New method.
1353         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1354         has_errors_ to false.
1355         (Arm_exidx_input_section::has_errors,
1356         Arm_exidx_input_section::set_has_errors): New methods.
1357         (Arm_exidx_input_section::has_errors_): New data member.
1358         (Arm_relobj::get_exidx_shndx_list): New method.
1359         (Arm_output_section::append_text_sections_to_list): Do not skip
1360         section without SHF_EXECINSTR.
1361         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1362         errors.
1363         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1364         section header.  Make error messages more verbose.  Check for
1365         a non-executable section linked to an EXIDX section.
1366         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1367         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1368         check that there is no deferred EXIDX section if we exit early.
1369         Instead of not making an EXIDX section in case of an error, make one
1370         and set the has_errors flag of it.
1371         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1372         in a relocatable link.
1373         (Target_arm::do_relax): Look for the EXIDX output section instead of
1374         assuming that it is called .ARM.exidx.
1375         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1376         section list.  Do not check for SHF_EXECINSTR section flags but
1377         skip any input section with errors.
1378         * output.cc (Output_section::Output_section): Initialize
1379         always_keeps_input_sections_ to false.
1380         (Output_section::add_input_section): Check for
1381         always_keeps_input_sections_.
1382         *  output.h (Output_section::always_keeps_input_sections,
1383         Output_section::set_always_keeps_input_sections): New methods.
1384         (Output_section::always_keeps_input_sections): New data member.
1386 2010-07-13  Rafael Espindola  <espindola@google.com>
1388         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1389         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1391 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1392             Ian Lance Taylor  <iant@google.com>
1394         * output.h (Output_section_lookup_maps::add_merge_section):
1395         Correct check of whether value was inserted.
1396         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1397         (Output_section_lookup_maps::add_relaxed_input_section):
1398         Likewise.
1399         * arm.cc (Target_arm::got_section): Remove used local os.
1400         * i386.cc (Target_i386::got_section): Likewise.
1401         * x86_64.cc (Target_x86_64::got_section): Likewise.
1402         * sparc.cc (Target_sparc::got_section): Likewise.
1403         (Target_sparc::relocate): Remove unused local have_got_offset.
1404         * powerpc.cc (Target_powerpc::relocate): Likewise.
1406 2010-07-13  Ian Lance Taylor  <iant@google.com>
1408         * compressed_output.cc (zlib_decompress): Fix signature in
1409         !HAVE_ZLIB_H case.
1411         * archive.cc (Archive::include_member): Unlock an external member
1412         of a thin archive.  Don't bother to delete an object we know is
1413         NULL.
1415 2010-07-12  Cary Coutant  <ccoutant@google.com>
1417         * compressed_output.cc (zlib_decompress): New function.
1418         (get_uncompressed_size): New function.
1419         (decompress_input_section): New function.
1420         * compressed_output.h (get_uncompressed_size): New function.
1421         (decompress_input_section): New function.
1422         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1423         Handle compressed debug sections.
1424         * layout.cc (is_compressed_debug_section): New function.
1425         (Layout::output_section_name): Map compressed section names to
1426         canonical names.
1427         * layout.h (is_compressed_debug_section): New function.
1428         (is_debug_info_section): Recognize compressed debug sections.
1429         * merge.cc: Include compressed_output.h.
1430         (Output_merge_data::do_add_input_section): Handle compressed
1431         debug sections.
1432         (Output_merge_string::do_add_input_section): Handle compressed
1433         debug sections.
1434         * object.cc: Include compressed_output.h.
1435         (Sized_relobj::Sized_relobj): Initialize new data members.
1436         (build_compressed_section_map): New function.
1437         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1438         * object.h (Object::section_is_compressed): New method.
1439         (Object::do_section_is_compressed): New method.
1440         (Sized_relobj::Compressed_section_map): New type.
1441         (Sized_relobj::do_section_is_compressed): New method.
1442         (Sized_relobj::compressed_sections_): New data member.
1443         * output.cc (Output_section::add_input_section): Handle compressed
1444         debug sections.
1445         * reloc.cc: Include compressed_output.h.
1446         (Sized_relobj::write_sections): Handle compressed debug sections.
1448 2010-07-08  Cary Coutant  <ccoutant@google.com>
1450         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1451         weak when resolving to a dynamic def.
1452         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1453         for weak undef/dynamic def cases. Adjust callers.
1454         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1455         undef_binding_weak_.
1456         (Symbol_table::sized_write_globals): Adjust symbol binding.
1457         (Symbol_table::sized_write_symbol): Add binding parameter.
1458         * symtab.h (Symbol::set_undef_binding): New method.
1459         (Symbol::is_undef_binding_weak): New method.
1460         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1461         (Symbol_table::should_override): Add new parameter.
1462         (Symbol_table::sized_write_symbol): Add new parameter.
1464         * testsuite/weak_undef_file1.cc: Add new test case.
1465         * testsuite/weak_undef_file2.cc: Fix header comment.
1466         * testsuite/weak_undef_test.cc: Add new test case.
1468 2010-06-29  Doug Kwan  <dougkwan@google.com>
1470         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1471         Initialize USE_SYMBOL_.
1472         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1473         definition.
1474         (Arm_reloc_property::uses_symbol_): New data member declaration.
1475         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1476         uses symbol value and symbol is undefined but not weakly undefined.
1478 2010-06-28  Rafael Espindola  <espindola@google.com>
1480         * plugin.cc (Plugin::load): Use dlerror.
1482 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1484         * symtab.cc (detect_odr_violations): When reporting an ODR
1485         violation, report an object where the symbol is defined.
1487 2010-06-25  Doug Kwan  <dougkwan@google.com>
1489         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1490         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1491         definition.
1492         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1493         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1494         target hook to detect function points.
1495         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1496         * icf.h (Icf::check_section_for_function_pointers): Change type of
1497         parameter SECTION_NAME to const reference to std::string.  Use
1498         target hook to determine if section may have unsafe pointers.
1499         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1500         method definition.
1502 2010-06-21  Rafael Espindola  <espindola@google.com>
1504         * fileread.cc (Input_file::find_fie): New
1505         (Input_file::open): Use Input_file::find_fie.
1506         * fileread.h (Input_file::find_fie): New
1507         * plugin.cc (set_extra_library_path): New.
1508         (Plugin::load): Add set_extra_library_path to the transfer vector.
1509         (Plugin_manager::set_extra_library_path): New.
1510         (Plugin_manager::add_input_file): Use the extra search path if set.
1511         (set_extra_library_path(): New.
1512         * plugin.h (Plugin_manager): Add set_extra_library_path and
1513         extra_search_path_.
1515 2010-06-19  Cary Coutant  <ccoutant@google.com>
1517         * layout.cc (gdb_sections): Add .debug_types.
1518         (lines_only_debug_sections): Likewise.
1520 2010-06-18  Rafael Espindola  <espindola@google.com>
1522         * plugin.cc (add_input_file,add_input_library)
1523         (Plugin_manager::add_input_file): Make filename arguments const.
1524         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1525         const.
1527 2010-06-16  Doug Kwan  <dougkwan@google.com>
1529         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1530         .ARM.attributes section if we have not merged any input
1531         attributes sections.
1533 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1535         * arm.cc: Allow combining objects with no EABI version
1536         information.
1538 2010-06-15  Rafael Espindola  <espindola@google.com>
1540         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1542 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1544         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1545         (struct iovec): Correct !HAVE_READV definition.
1547 2010-06-10  Cary Coutant  <ccoutant@google.com>
1549         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1550         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1551         reloc sections.
1552         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1554         PR 11683
1555         * symtab.h (Symbol::is_placeholder): New member function.
1556         * target-reloc.h (relocate_section): Check for placeholder symbols.
1558         * testsuite/Makefile.am (plugin_test_8): New test.
1559         (plugin_test_9): New test.
1560         * testsuite/Makefile.in: Regenerate.
1562 2010-06-09  Nick Clifton  <nickc@redhat.com>
1564         * yyscript.y (input_list_element): Allow strings prefixed with
1565         the '-' character.  Treat these as libraries.
1566         * script.cc (script_add_library): New function.  Adds a library
1567         specified by "-l<name>" found in an input script.
1568         * script-c.h: Add prototype for script_add_library.
1570 2010-06-07  Doug Kwan  <dougkwan@google.com>
1572         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1573         Restrict stub-group size to be within long conditional branch
1574         range when working around cortex-A8 erratum.
1576 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1578         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1579         #ifdef typo.
1581 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1583         PR gold/11658
1584         * output.cc
1585         (Output_section::Input_section_sort_entry::compare_section_ordering):
1586         Change to return non-zero correctly.
1587         (Output_section::Input_section_sort_section_order_index_compare
1588         ::operator()): Change to fix ambiguity in comparisons.
1590 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1592         * gold.h (is_wildcard_string): New function.
1593         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1594         (Layout::layout_eh_frame): Ditto.
1595         (Layout::find_section_order_index): New method.
1596         (Layout::read_layout_from_file): New method.
1597         * layout.h (Layout::find_section_order_index): New method.
1598         (Layout::read_layout_from_file): New method.
1599         (Layout::input_section_position_): New private member.
1600         (Layout::input_section_glob_): New private member.
1601         * main.cc (main): Call read_layout_from_file here.
1602         * options.h (--section-ordering-file): New option.
1603         * output.cc (Output_section::input_section_order_specified_): New
1604         member.
1605         (Output_section::Output_section): Initialize new member.
1606         (Output_section::add_input_section): Add new parameter.
1607         Keep input sections when --section-ordering-file is used.
1608         (Output_section::set_final_data_size): Sort input sections when
1609         section ordering file is specified.
1610         (Output_section::Input_section_sort_entry): Add new parameter.
1611         Check sorting type.
1612         (Output_section::Input_section_sort_entry::compare_section_ordering):
1613         New method.
1614         (Output_section::Input_section_sort_compare::operator()): Change to
1615         consider section_order_index.
1616         (Output_section::Input_section_sort_init_fini_compare::operator()):
1617         Change to consider section_order_index.
1618         (Output_section::Input_section_sort_section_order_index_compare
1619         ::operator()): New method.
1620         (Output_section::sort_attached_input_sections): Change to sort
1621         according to section order when specified.
1622         (Output_section::add_input_section<32, true>): Add new parameter.
1623         (Output_section::add_input_section<64, true>): Add new parameter.
1624         (Output_section::add_input_section<32, false>): Add new parameter.
1625         (Output_section::add_input_section<64, false>): Add new parameter.
1626         * output.h (Output_section::add_input_section): Add new parameter.
1627         (Output_section::input_section_order_specified): New
1628         method.
1629         (Output_section::set_input_section_order_specified): New method.
1630         (Input_section::Input_section): Initialize section_order_index_.
1631         (Input_section::section_order_index): New method.
1632         (Input_section::set_section_order_index): New method.
1633         (Input_section::section_order_index_): New member.
1634         (Input_section::Input_section_sort_section_order_index_compare): New
1635         struct.
1636         (Output_section::input_section_order_specified_): New member.
1637         * script-sections.cc (is_wildcard_string): Delete and move modified
1638         method to gold.h.
1639         (Output_section_element_input::Output_section_element_input): Modify
1640         call to is_wildcard_string.
1641         (Output_section_element_input::Input_section_pattern
1642         ::Input_section_pattern): Ditto.
1643         (Output_section_element_input::Output_section_element_input): Ditto.
1644         * testsuite/Makefile.am (final_layout): New test case.
1645         * testsuite/Makefile.in: Regenerate.
1646         * testsuite/final_layout.cc: New file.
1647         * testsuite/final_layout.sh: New file.
1649 2010-06-01  Rafael Espindola  <espindola@google.com>
1651         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1653 2010-06-01  Rafael Espindola  <espindola@google.com>
1655         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1656         visibility of symbols.
1658 2010-05-27  Doug Kwan  <dougkwan@google.com>
1660         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1661         from start of output section instead of address for a local symbol
1662         in a merged or relaxed section when doing a relocatable link.
1664 2010-05-26  Rafael Espindola  <espindola@google.com>
1666        PR 11604
1667         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1668         adding sections the garbage collector removed.
1669         * gold/testsuite/Makefile.am: Add test.
1670         * gold/testsuite/Makefile.in: Regenerate.
1671         * gold/testsuite/plugin_test_7.sh: New.
1672         * gold/testsuite/plugin_test_7_1.c: New.
1673         * gold/testsuite/plugin_test_7_2.c: New.
1675 2010-05-26  Rafael Espindola  <espindola@google.com>
1677         * script-sections.cc (Output_section_definition::set_section_addresses):
1678         Check for --section-start.
1680 2010-05-26  Doug Kwan  <dougkwan@google.com>
1682         * arm.cc (Arm_scan_relocatable_relocs): New class.
1683         (Target_arm::relocate_special_relocatable): New method.
1684         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1685         (Arm_relocate_functions::thumb_branch_common): Same.
1686         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1687         instead of Default_scan_relocatable_relocs.
1688         * target-reloc.h (relocate_for_relocatable): Let target handle
1689         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1690         * target.h (Sized_target::relocate_special_relocatable): New method.
1692 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1694         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1696 2010-05-23  Doug Kwan  <dougkwan@google.com>
1698         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1699         instead of a cast.
1700         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1701         with a direct branch, not a conditional branch, to a stub.
1702         * merge.cc (Output_merge_base::record_input_section): New method
1703         defintion.
1704         (Output_merge_data::do_add_input_section): Record input section if
1705         keeps-input-sections flag is set.
1706         (Output_merge_string::do_add_input_section): Ditto.
1707         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1708         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1709         INPUT_SECTIONS_.
1710         (Output_merge_base::keeps_input_sections,
1711         Output_merge_base::set_keeps_input_sections,
1712         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1713         method definitions.
1714         (Output_merge_base::Input_sections): New type declaration.
1715         (Output_merge_base::input_sections_begin,
1716         Output_merge_base::input_sections_end,
1717         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1718         (Output_merge_base::bool keeps_input_sections_,
1719         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1720         Output_merge_base::input_sections_): New data members.
1721         (Output_merge_data::do_set_keeps_input_sections): New method
1722         defintion.
1723         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1724         * output.cc (Output_section::Input_section::relobj): Move method
1725         defintion from class declaration to here and handle merge sections.
1726         (Output_section::Input_section::shndx): Ditto.
1727         (Output_section::Output_section): Remove initializations of removed
1728         data members and initialize new data member LOOKUP_MAPS_.
1729         (Output_section::add_input_section): Set keeps-input-sections flag
1730         for a newly created merge output section as appropriate.  Adjust code
1731         to use Output_section_lookup_maps class.
1732         (Output_section::add_relaxed_input_section): Adjst code for lookup
1733         maps code refactoring.
1734         (Output_section::add_merge_input_section): Add a new parameter
1735         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1736         class.  If adding input section to a newly created merge output
1737         section fails, remove the new merge section.
1738         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1739         Adjust code for use of the Output_section_lookup_maps class.
1740         (Output_section::find_merge_section): Ditto.
1741         (Output_section::build_lookup_maps): New method defintion.
1742         (Output_section::find_relaxed_input_section): Adjust code to use
1743         Output_section_lookup_maps class.
1744         (Output_section::get_input_sections): Export merge sections.  Adjust
1745         code to use Output_section_lookup_maps class.
1746         (Output_section:::add_script_input_section): Adjust code to use
1747         Output_section_lookup_maps class.  Update lookup maps for merge
1748         sections also.
1749         (Output_section::discard_states): Use Output_section_lookup_maps.
1750         (Output_section::restore_states): Same.
1751         * output.h (Merge_section_properties): Move class defintion out of
1752         Output_section.
1753         (Output_section_lookup_maps): New class.
1754         (Output_section::Input_section::is_merge_section): New method
1755         defintion.
1756         (Output_section::Input_section::relobj): Move defintion out of class
1757         defintion.  Declare method only.
1758         (Output_section::Input_section::shndx): Ditto.
1759         (Output_section::Input_section::output_merge_base): New method defintion.
1760         (Output_section::Input_section::u2_.pomb): New union field.
1761         (Output_section::Merge_section_by_properties_map,
1762         Output_section::Output_section_data_by_input_section_map,
1763         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1764         Remove types.
1765         (Output_section::add_merge_input_section): Add new parameter
1766         KEEPS_INPUT_SECTIONS.
1767         (Output_section::build_lookup_maps): New method declaration.
1768         (Output_section::merge_section_map_,
1769         Output_section::merge_section_by_properties_map_,
1770         Output_section::relaxed_input_section_map_,
1771         Output_section::is_relaxed_input_section_map_valid_): Remove data
1772         members.
1773         (Output_section::lookup_maps_): New data member.
1775 2010-05-21  Doug Kwan  <dougkwan@google.com>
1777         PR gold/11619
1778         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1779         avoid a compilation error.
1781 2010-05-19  Rafael Espindola  <espindola@google.com>
1783         * script-sections.cc (Output_section_definition::allocate_to_segment):
1784         Update the phdrs_list even when the output section is NULL.
1785         * testsuite/Makefile.am: Add test.
1786         * testsuite/Makefile.in: Regenerate.
1787         * testsuite/script_test_9.cc: New.
1788         * testsuite/script_test_9.sh: New.
1789         * testsuite/script_test_9.t: New.
1791 2010-05-19  Doug Kwan  <dougkwan@google.com>
1793         * arm.cc (Arm_input_section::original_size): New method.
1794         (Arm_input_section::do_addralign): Add a cast.
1795         (Arm_input_section::do_output_offset): Remove static cast.
1796         (Arm_input_section::original_addralign,
1797          Arm_input_section::original_size_): Change type to uint32_t.
1798         (Arm_input_section::init): Add safe casts for section alignment
1799         and size.
1800         (Arm_input_section::set_final_data_size): Do not set address and
1801         offset of stub table.
1802         (Arm_output_section::fix_exidx_coverage): Change use of of
1803         Output_section::Simple_input_section to that of
1804         Output_section::Input_section.
1805         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1806         except for the first pass.
1807         * output.cc (Output_section::get_input_sections): Change type of
1808         input_sections to std::list<Input_section>.
1809         (Output_section::add_script_input_section): Rename from
1810         Output_section::add_simple_input_section.  Change type of SIS
1811         parameter from Simple_input_section to Input_section.
1812         * output.h (Output_section::Simple_input_section): Remove class.
1813         (Output_section::Input_section): Change class visibility to public.
1814         (Output_section::Input_section::addralign): Use stored alignments
1815         for special input sections if set.
1816         (Output_section::Input_section::set_addralign): New method.
1817         (Output_section::get_input_sections): Change parameter type from
1818         list of Simple_input_section to list of Input_section.
1819         (Output_section::add_script_input_section): Rename from
1820         Output_section::add_simple_input_section. Change first parameter's
1821         type from Simple_input_section to Input_section and remove the
1822         second and third parameters.
1823         * script-sections.cc (Input_section::Input_section_list): Change
1824         type to list of Output_section::Input_section/
1825         (Input_section_info::Input_section_info): Change parameter type of
1826         INPUT_SECTION to Output_section::Input_section.
1827         (Input_section_info::input_section): Change return type.
1828         (Input_section_info::input_section_): Change type to
1829         Output_section::Input_section.
1830         (Output_section_element_input::set_section_addresses): Adjust code
1831         to use Output_section::Input_section instead of
1832         Output_section::Simple_input_section.  Adjust code for renaming
1833         of Output_section::add_simple_input_section.
1834         (Orphan_output_section::set_section_addresses): Ditto.
1836 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1838         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1839         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1841 2010-05-18  Rafael Espindola  <espindola@google.com>
1843         * options.cc (General_options::finalize): Handle -nostdlib.
1844         * options.h (nostdlib): New option.
1845         * script.cc (script_add_search_dir): Handle -nostdlib.
1847 2010-05-12  Doug Kwan  <dougkwan@google.com>
1849         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1850         attributes section only if there no attributes section after merging.
1851         (Target_arm::merge_object_attributes): Move value of
1852         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1853         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1854         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1855         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1856         and arm_attr_merge_7.stdout.
1857         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1858         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1859         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1860         arm_attr_merge_7b.o): New rules.
1861         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1862         arm_attr_merge_7
1863         * testsuite/Makefile.in: Regenerate.
1864         * testsuite/arm_attr_merge.sh: New file.
1865         * testsuite/arm_attr_merge_[67][ab].s: Same.
1867 2010-05-05  Nick Clifton  <nickc@redhat.com>
1869         * po/es.po: Updated Spanish translation.
1871 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1873         * Makefile.am (install-exec-local): Properly install gold as
1874         default cross linker.
1875         * Makefile.in: Regenerated.
1877 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1878             Nick Clifton  <nickc@redhat.com>
1880         * configure.ac (install_as_default): Define and set to false
1881         unless --enable-gold or --enable-gold=both/gold has been
1882         specified.
1883         * configure: Regenerate.
1885         * Makefile.am (install-exec-local): Install the executable as
1886         'ld.gold'.  If install_as_default is true then also install it as
1887         'ld'.
1888         * Makefile.in: Regenerated.
1890 2010-04-24  Ian Lance Taylor  <iant@google.com>
1892         * layout.cc (Layout::layout_reloc): In relocatable link don't
1893         combine reloc sections for grouped sections.
1895 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
1897         * gc.h (gc_process_relocs): Pass information on relocs pointing to
1898         sections that are not ordinary to icf.
1899         * icf.cc (get_section_contents): Handle relocation pointing to section
1900         with no object or shndx information.
1901         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
1902         * testsuite/Makefile.in: Regenerate.
1903         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
1904         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
1906 2010-04-22  Ian Lance Taylor  <iant@google.com>
1908         * expression.cc (Expression::Expression_eval_info): Add
1909         result_alignment_pointer field.
1910         (Expression::eval_with_dot): Add result_alignment_pointer
1911         parameter.  Change all callers.
1912         (Expression::eval_maybe_dot): Likewise.
1913         (class Binary_expression): Add alignment_pointer parameter to
1914         left_value and right_value.  Change all callers.
1915         (BINARY_EXPRESSION): Set result alignment.
1916         (class Trinary_expression): Add alignment_pointer parameter to
1917         arg2_value and arg3_value.  Change all callers.
1918         (Trinary_cond::value): Set result alignment.
1919         (Max_expression::value, Min_expression::value): Likewise.
1920         (Align_expression::value): Likewise.
1921         * script-sections.cc (class Sections_element): Add dot_alignment
1922         parameter to set_section_addresses virtual function.  Update
1923         instantiations.
1924         (class Output_section_element): Likewise.
1925         (Script_sections::create_segments): Add dot_alignment parameter.
1926         Change all callers.
1927         (Script_sections::create_segments_from_phdrs_clause): Likewise.
1928         (Script_sections::set_phdrs_clause_addresses): Likewise.
1929         * script-sections.h: Update declarations.
1930         * script.h: Update declarations.
1931         * output.h (Output_segment::set_minimum_p_align): Don't decrease
1932         min_p_align.
1933         * testsuite/script_test_3.t: Set large alignment.
1934         * testsuite/script_test_3.sh: Make sure that at least one LOAD
1935         segment has expected alignment.
1937 2010-04-22  Nick Clifton  <nickc@redhat.com>
1939         * po/gold.pot: Updated by the Translation project.
1940         * po/vi.po: Updated Vietnamese translation.
1942 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
1944         * testsuite/Makefile.am (check_PROGRAMS): Add
1945         icf_virtual_function_folding_test.
1946         * testsuite/Makefile.in: Regenerated.
1948 2010-04-15  Andrew Haley  <aph@redhat.com>
1950         * options.h (merge_exidx_entries): New option.
1951         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
1952         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
1953         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
1954         (Target_arm::merge_exidx_entries): New function.
1955         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
1956         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
1957         to Arm_exidx_fixup constructor.
1958         Add new arg, merge_exidx_entries.
1959         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
1960         Arm_output_section::fix_exidx_coverage.
1962 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
1964         * icf.cc (get_section_contents): Check for preemptible functions.
1965         Ignore addend when appropriate.
1966         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
1967         section folded.
1968         (add_from_relobj): Check for section folded.
1969         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
1970         * symtab.h (should_add_dynsym_entry): Add new parameter.
1971         * target-reloc.h (scan_relocs): Check for section folded.
1972         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
1973         Check reloc types for function pointers in shared objects.
1974         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
1975         case.
1976         (icf_preemptible_functions_test): New test case.
1977         (icf_string_merge_test): New test case.
1978         * testsuite.Makefile.in: Regenerate.
1979         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
1980         bar_glob.  Refactor code.
1981         * testsuite/icf_preemptible_functions_test.cc: New file.
1982         * testsuite/icf_preemptible_functions_test.sh: New file.
1983         * testsuite/icf_string_merge_test.cc: New file.
1984         * testsuite/icf_string_merge_test.sh: New file.
1985         * testsuite/icf_virtual_function_folding_test.cc: New file.
1986         * testsuite/icf_virtual_function_folding_test.sh: New file.
1988 2010-04-14  Doug Kwan  <dougkwan@google.com>
1990         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
1991         for local symbol recounting if we remove a section due to ICF.
1992         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
1993         there are no regular objects in input.
1995 2010-04-13  Doug Kwan  <dougkwan@google.com>
1997         * arm.cc (Arm_input_section::set_final_data_size): Compute
1998         accurate final data size instead of using current data size.
2000 2010-04-09  Doug Kwan  <dougkwan@google.com>
2002         * layout.cc (Layout::choose_output_section): Handle script section
2003         types.
2004         (Layout::make_output_section_for_script): Add section type parameter.
2005         Handle script section types.
2006         * layout.h (Layout::make_output_section_for_script): Add section
2007         type parameter.
2008         * output.cc (Output_section::Output_section): Initialize data member
2009         is_noload_.
2010         (Output_section::do_reset_address_and_file_offset): Do not set address
2011         to 0 if section is a NOLOAD section.
2012         * output.h (Output_section::is_noload): New method.
2013         (Output_section::set_is_noload): Ditto.
2014         (Output_section::is_noload_): New data member.
2015         * script-c.h (Script_section_type): New enum type.
2016         (struct Parser_output_section_header): Add new file section_type.
2017         * script-sections.cc (Sections_element::output_section_name): Add
2018         parameter for returning script section type.
2019         (Output_section_definition::output_section_name): Ditto.
2020         (Output_section_definition::section_type)P; New method.
2021         (Output_section_definiton::script_section_type_name): Ditto.
2022         (Output_section_definition::script_section_type_): New data member.
2023         (Output_section_definition::Output_section_definition): Initialize
2024         data member Output_section_definition::script_section_type_.
2025         (Output_section_definition::create_sections): Pass script section type
2026         to Layout::make_output_section_for_script.
2027         (Output_section_definition::output_section_name): Return script
2028         section type to caller.
2029         (Output_section_definition::set_section_address): Do not advance
2030         dot value and load address if section type is NOLOAD.  Set address
2031         of NOLOAD sections regardless of section flags.
2032         (Output_section_definition::print): Print section type if it is
2033         not SCRIPT_SECTION_TYPE_NONE.
2034         (Output_section_definition::section_type): New method.
2035         (Output_section_definition::script_section_type_name): Ditto.
2036         (Script_sections::output_section_name): Add new parameter
2037         PSECTION_TYPE for returning script section type.  Pass it to
2038         section elements.  Handle discard sections.
2039         (Sort_output_sections::operator()): Handle NOLOAD sections.
2040         * script-sections.h (Script_sections::Section_type): New enum type.
2041         (Script_sections::output_section_name): Add a new parameter for
2042         returning script section type.
2043         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
2044         INFO and NOLOAD.
2045         * yyscript.y (union): Add new field SECTION_TYPE.
2046         (COPY, DSECT, INFO, NOLOAD): New tokens.
2047         (opt_address_and_section_type): Change type to output_section_header.
2048         (section_type): New non-terminal
2049         (section_header): Handle section type.
2050         (opt_address_and_section_type): Return section type value.
2052 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2054         * testsuite/plugin_common_test_1.c (foo): Add prototype.
2055         * testsuite/plugin_common_test_2.c (foo): Likewise.
2057 2010-04-08  Doug Kwan  <dougkwan@google.com>
2059         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
2060         Output_merge_data.
2061         * output.cc (Output_section::add_merge_input_section): Simplify
2062         code and return status of Output_merge_base::add_input_section.
2063         Update merge section map only if Output_merge_base::add_input_section
2064         returns true.
2066 2010-04-07  Doug Kwan  <dougkwan@google.com>
2068         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2069         if section is marked as containing instructions but has no mapping
2070         symbols.
2071         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2072         correct section index.
2073         (Arm_relobj::find_linked_text_section): Ditto.
2075 2010-04-07  Cary Coutant  <ccoutant@google.com>
2077         * archive.cc (include_member): Destroy Read_symbols_data object before
2078         releasing file.
2079         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2080         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2081         (Read_symbols_data::~Read_symbols_data) New destructor.
2082         (Section_relocs::Section_relocs) New constructor.
2083         (Section_relocs::~Section_relocs) New destructor.
2084         (Read_relocs_data::Read_relocs_data) New constructor.
2085         (Read_relocs_data::~Read_relocs_data) New destructor.
2086         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2087         pointers to NULL after deleting.
2089 2010-04-07  Doug Kwan  <dougkwan@google.com>
2091         * arm.cc: Replace "endianity" with "endianness" in comments.
2092         (Arm_exidx_cantunwind): Ditto.
2093         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2094         (Arm_relobj::merge_flags_and_attributes): New method.
2095         (Arm_relobj::merge_flags_and_attributes_): New data member.
2096         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2097         (Arm_relobj::scan_sections_for_stubs): Ditto.
2098         (Arm_relobj::do_read_symbols): Check to see if we really want to
2099         merge processor-specific flags and attributes.  Exit early if
2100         an object is empty except for section names and the undefined symbol.
2101         (Target_arm::do_finalize_sections): Move check for ELF format to
2102         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2103         attributes from a regular object only when we have determined that
2104         it is aapropriate.  Do not create an .ARM.attributes section in
2105         output if there is no regular input object.
2106         (Target_arm::merge_processor_specific_flags): Check
2107         --warn-mismatch before printing any error.
2108         (Target_arm::merge_object_attributes): Ditto.
2109         * gold.cc (queue_middle_tasks): Handle the case in which there is
2110         no regular object in input.
2111         * options.cc (General_options::parse_EB): New method.
2112         (General_options::parse_EL): Same.
2113         (General_options::General_options): Initialize endianness_.
2114         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2115         New options.
2116         (General_options::Endianness): New enum.
2117         (General_options::endianness): New method.
2118         (General_options::endianness_): New data member.
2119         * parameters.cc (Parameters::set_options): Check target endianness.
2120         (Parameters::set_target_once): Ditto.
2121         (Parameters::check_target_endianness): New method.
2122         (parameters_force_valid_target): If either -EL or -EB is specified,
2123         use it to define endianness of default target.
2124         * parameters.h (Parameters::check_target_endianness): New method
2125         declaration.
2126         * target.h (class Target): Change "endianity" to "endianness"
2127         in comments.
2129 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2131         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2132         * configure: Regenerate.
2133         * Makefile.in: Regenerate.
2134         * testsuite/Makefile.in: Regenerate.
2136 2010-04-06  Cary Coutant  <ccoutant@google.com>
2138         gcc PR lto/42757
2139         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2140         prevailing definitions of common symbols.
2141         * testsuite/plugin_test_6.sh: New test case.
2142         * testsuite/plugin_common_test_1.c: New test case.
2143         * testsuite/plugin_common_test_2.c: New test case.
2144         * testsuite/Makefile.am (plugin_test_6): New test case.
2145         * testsuite/Makefile.in: Regenerate.
2147 2010-04-06  Nick Clifton  <nickc@redhat.com>
2149         * po/vi.po: New Vietnamese translation.
2151 2010-03-30  Doug Kwan  <dougkwan@google.com>
2153         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2155 2010-03-25  Doug Kwan  <dougkwan@google.com>
2157         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2158         to avoid a conversion warning on a 32-bit host.
2160 2010-03-24  Ian Lance Taylor  <iant@google.com>
2162         * testsuite/script_test_3.t: Add a TLS segment.
2163         * testsuite/Makefile.am (check_PROGRAMS): Add
2164         tls_phdrs_script_test.
2165         (tls_phdrs_script_test_SOURCES): Define.
2166         (tls_phdrs_script_test_DEPENDENCIES): Define.
2167         (tls_phdrs_script_test_LDFLAGS): Define.
2168         (tls_phdrs_script_test_LDADD): Define.
2169         * testsuite/Makefile.in: Rebuild.
2171 2010-03-23  Cary Coutant  <ccoutant@google.com>
2173         * fileread.cc (find_or_make_view): Fix comment.
2175 2010-03-23  Ian Lance Taylor  <iant@google.com>
2177         * script-sections.cc (class Orphan_section_placement): Define
2178         PLACE_TLS and PLACE_TLS_BSS.
2179         (Orphan_section_placement::Orphan_section_placement): Initialize
2180         new places.
2181         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
2182         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
2183         (tls_script_test_SOURCES): Define.
2184         (tls_script_test_DEPENDENCIES): Define.
2185         (tls_script_test_LDFLAGS): Define.
2186         (tls_script_test_LDADD): Define.
2187         * testsuite/Makefile.in: Rebuild.
2189 2010-03-22  Doug Kwan  <dougkwan@google.com>
2191         * arm.cc (Arm_relocate_functions::abs8,
2192         Arm_relocate_functions::abs16): Use correct check for overflow
2193         specified in the ARM ELF specs.
2194         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
2195         target of a BLX instruction specially.
2196         (Reloc_stub::stub_type_for_reloc): Ditto.
2197         (Relocate::relocate): Use symbolic names instead of numeric relocation
2198         codes to report error.
2199         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
2200         workaround.
2201         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
2202         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
2203         thumb2_blx_out_of_range.stdout
2204         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
2205         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
2206         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
2207         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
2208         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
2209         thumb2_blx_in_range, thumb2_blx_in_range.o,
2210         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
2211         thumb2_blx_out_of_range.o): New rules.
2212         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
2213         thumb2_blx_in_range and thumb2_blx_out_of_range.
2214         * testsuite/Makefile.in: Regenerate.
2215         * arm_branch_in_range.sh: Add tests for THUMB BLX.
2216         * testsuite/thumb_blx_in_range.s: New file.
2217         * testsuite/thumb_blx_out_of_range.s: New file.
2219 2010-03-22  Rafael Espindola  <espindola@google.com>
2221         * archive.cc (Should_include): Move to archive.h.
2222         (should_include_member): Make it a member of Archive.
2223         (Lib_group): New.
2224         (Add_lib_group_symbols): New.
2225         * archive.h: Include options.h.
2226         (Archive_member): Moved from Archive.
2227         (Should_include): Moved from archive.cc.
2228         (Lib_group): New.
2229         (Add_lib_group_symbols): New.
2230         * dynobj.cc (do_should_include_member): New.
2231         * dynobj.h (do_should_include_member): New.
2232         * gold.cc (queue_initial_tasks): Update call to queue.
2233         * main.cc (main): Print lib group stats.
2234         * object.cc (do_should_include_member): New.
2235         * object.h: Include archive.h.
2236         (Object::should_include_member): New.
2237         (Object::do_should_include_member): New.
2238         (Sized_relobj::do_should_include_member): New.
2239         * options.cc (General_options::parse_start_lib): New.
2240         (General_options::parse_end_lib): New.
2241         (Input_arguments::add_file): Handle lib groups.
2242         (Input_arguments::start_group): Check we are not in a lib.
2243         (Input_arguments::start_lib): New.
2244         (Input_arguments::end_lib): New.
2245         * options.h (General_options): Add start_lib and end_lib.
2246         (Input_argument::lib_): New.
2247         (Input_argument::lib): New.
2248         (Input_argument::is_lib): New.
2249         (Input_file_lib): New.
2250         (Input_arguments::in_lib_): New.
2251         (Input_arguments::in_lib): New.
2252         (Input_arguments::start_lib): New.
2253         (Input_arguments::end_lib_): New.
2254         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
2255         in unused members as preempted.
2256         (Sized_pluginobj::do_should_include_member): New.
2257         * plugin.h (Sized_pluginobj::do_should_include_member): New.
2258         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
2259         return the blocker.
2260         (Read_symbols::do_whole_lib_group): New.
2261         (Read_symbols::do_lib_group): New.
2262         (Read_symbols::do_read_symbols): Handle lib groups.
2263         (Read_symbols::get_name): Handle lib groups.
2264         * readsyms.h (Read_symbols): Add an archive member pointer.
2265         (Read_symbols::do_whole_lib_group): New.
2266         (Read_symbols::do_lib_group): New.
2267         (Read_symbols::member_): New.
2268         * script.cc (read_input_script): Update call to queue_soon.
2270 2010-03-19  Doug Kwan  <dougkwan@google.com>
2272         * arm.cc (Stub_table::Stub_table): Initialize new data members
2273         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2274         (Stub_table::add_reloc_stub): Assign stub offset and update
2275         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2276         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
2277         New data members.
2278         (Stub_table::update_data_size_and_addralign): Use
2279         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
2280         instead of going over all reloc stubs.
2281         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
2282         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2283         Stringpool_template::offset_ to size of Stringpool_char.
2284         (Stringpool_template::new_key_offset): Remove code to initialize
2285         Stringpool_template::offset_.
2286         * stringpool.h (Stringpool_template::set_no_zero_null): Set
2287         Stringpool_template::offset_ to zero.
2289 2010-03-15  Doug Kwan  <dougkwan@google.com>
2291         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2292         offset_.
2293         (Stringpool_template::new_key_offset): New method.
2294         (Stringpool_template::add_string): Assign offsets when adding new
2295         strings.
2296         (Stringpool_template::set_string_offsets): Do not set string offsets
2297         when not optimizing.
2298         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
2299         member size_.
2300         (Chunked_vector::clear): Clear size_.
2301         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
2302         (Chunked_vector::size): Return size_.
2303         (Chunked_vector::push_back): Use size_ to find insert position.
2304         (Chunked_vector::size_): New data member.
2305         (Stringpool_template::set_no_zero_null): Assert string set is empty.
2306         (Stringpool_template::new_key_offset): New method declaration.
2307         (Stringpool_template::offset_): New data member.
2309 2010-03-15   Rafael Espindola  <espindola@google.com>
2311         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
2312         Add_symbols' constructor.
2313         * readsyms.h (Add_symbols): Remove the input_group member.
2315 2010-03-10  Ian Lance Taylor  <iant@google.com>
2317         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
2318         target to ask whether a reference to a symbol requires a stack
2319         split.
2320         * target.h (Target::is_call_to_non_split): New function.
2321         (Target::do_is_call_to_non_split): Declare virtual function.
2322         * target.cc: Include "symtab.h".
2323         (Target::do_is_call_to_non_split): New function.
2324         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
2326 2010-03-10  Cary Coutant  <ccoutant@google.com>
2328         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2329         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2330         (File_read::open[2]): Add whole_file_view_ to list of views.
2331         (File_read::make_view): Remove test of whole_file_view_.
2332         (File_read::find_or_make_view): Create whole_file_view_ if
2333         necessary.
2334         (File_read::clear_views): Replace bool parameter with enum;
2335         adjust all callers.  Don't delete views with permanent data;
2336         do delete cached views and views from archives if
2337         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2338         if clearing the corresponding view.
2339         * fileread.h (File_read::Clear_views_mode): New enum.
2340         (File_read::View::is_permanent_view): New method.
2341         (File_read::clear_views): Replace bool parameter
2342         with enum; adjust all callers.
2343         * options.h (General_options): Change keep_files_mapped option;
2344         add map_whole_files.
2345         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2346         releasing the file.
2347         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2348         the file.
2350 2010-03-10  David S. Miller  <davem@davemloft.net>
2352         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2354 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2356         * icf.cc (get_section_contents): Add '@' marker after processing the
2357         merge reloc.
2359 2010-03-08  Doug Kwan  <dougkwan@google.com>
2361         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2362         due to a conversion warning.
2363         (Arm_relobj::update_output_local_symbol_count): Check for local
2364         symbol with unset output index.
2366 2010-03-05  Ian Lance Taylor  <iant@google.com>
2368         * options.h (class General_options): Add --spare-dynamic-tags.
2369         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2370         --spare-dynamic-tags.
2372 2010-03-05  Ian Lance Taylor  <iant@google.com>
2374         * incremental.cc: Include "libiberty.h".
2376 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2378         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2379         function, is_info_ member.
2380         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2381         (Versions::Versions): Update caller.
2382         (Versions::define_base_version): Likewise.
2383         (Versions::add_def): Likewise.
2385 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2387         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2388         (Scan::possible_function_pointer_reloc): New function.
2389         (Scan::local_reloc_may_be_function_pointer): Change to call
2390         possible_function_pointer_reloc.
2391         (Scan::global_reloc_may_be_function_pointer): Ditto.
2392         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2393         relocations in ".data.rel.ro._ZTV" section.
2394         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2395         * testsuite/icf_safe_so_test.cc: Ditto.
2396         * testsuite/icf_safe_test.cc: Ditto.
2397         * testsuite/icf_safe_test.sh: Ditto.
2399 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2400             Ian Lance Taylor  <iant@google.com>
2402         * target-reloc.h (relocate_section): Check the symbol table index
2403         for -1U before setting the local symbol index.
2404         (scan_relocatable_relocs): If copying the relocation, record that
2405         the local symbol is required.
2406         * object.h (Symbol_value::is_output_symtab_index_set): New
2407         function.
2408         (Symbol_value::may_be_discarded_from_output_symtab): New
2409         function.
2410         (Symbol_value::has_output_symtab_entry): New function.
2411         (Symbol_value::needs_output_symtab_entry): Remove.
2412         (Symbol_value::output_symtab_index): Make sure the symbol index is
2413         set.
2414         (Symbol_value::set_output_symtab_index): Make sure the symbol
2415         index is not set.  Make sure the new index is valid.
2416         (Symbol_value::set_must_have_output_symtab_entry): New function.
2417         (Symbol_value::has_output_dynsym_entry): New function.
2418         (Symbol_value::set_output_dynsym_index): Make sure the new index
2419         is valid.
2420         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2421         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2422         local symbol if permitted.
2423         (Sized_relobj::do_finalize_local_symbols): Call
2424         is_output_symtab_index_set rather than needs_output_symtab_entry.
2425         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2426         rather than needs_output_symtab_entry.  Call
2427         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2428         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2429         is_output_symtab_index_set rather than needs_output_symtab_entry.
2430         * testsuite/discard_locals_relocatable_test.c: New file.
2431         * testsuite/discard_locals_test.sh: Test -r.
2432         * testsuite/Makefile.am (check_DATA): Add
2433         discard_locals_relocatable_test1.syms,
2434         discard_local_relocatable_test2.syms.
2435         (MOSTLYCLEANFILES): Likewise.  Also add
2436         discard_locals_relocatable_test1.lout and
2437         discard_locals_relocatable_test2.out.
2438         (discard_locals_relocatable_test1.syms): New target.
2439         (discard_locals_relocatable_test.o): New target.
2440         (discard_locals_relocatable_test1.out): New target.
2441         (discard_locals_relocatable_test2.syms): New target.
2442         (discard_locals_relocatable_test2.out): New target.
2443         (various): Add missing ../ld-new dependencies.
2444         * testsuite/Makefile.in: Rebuild.
2446 2010-03-03  Nick Clifton  <nickc@redhat.com>
2448         * po/fi.po: New Finnish translation.
2450 2010-03-01  Doug Kwan  <dougkwan@google.com>
2452         * layout.cc (Layout::Layout): Force section types of .init_array*,
2453         .preinit_array* and .fini_array* sections.
2454         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2455         Fix check of return value of std::string::find.().
2456         (Output_section::Input_section_sort_compare::operator()): Remove
2457         comment about .init_array.
2458         (Output_section::Input_section_sort_init_fini_compare::operator()):
2459         New method.
2460         (Output_section::sort_attached_input_sections): Handle .init_array
2461         and .fini_array specially.
2462         * output.h (Output_section::Inut_section_sort_compare): Update
2463         comment.
2464         (Output_section::Input_section_sort_init_fini_compare): New struct.
2466 2010-02-26  Doug Kwan  <dougkwan@google.com>
2468         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2469         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2470         * testsuite/debug_msg.sh: Avoid matching source line number for
2471         use of global variable undef_int.
2473 2010-02-26  Doug Kwan  <dougkwan@google.com>
2475         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2476         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2477         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2478         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2479         * options.cc (General_options::General_options): Initialize member
2480         fix_v4bx_.
2481         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2482         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2483         and rm_no_fix_v4bx.stdout
2484         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2485         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2486         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2487         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2488         and arm_no_fix_v4bx.
2489         * Makefile.in: Regenerate.
2490         * testsuite/arm_fix_v4bx.s: New file.
2491         * testsuite/arm_fix_v4bx.sh: Ditto.
2493 2010-02-24  Doug Kwan  <dougkwan@google.com>
2495         * arm.cc (Target_arm::got_section): Make the .got section the first
2496         non RELRO section in the data segment.
2497         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2498         suffixes of section names.
2500 2010-02-24  Doug Kwan  <dougkwan@google.com>
2502         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2503         flags and attributes merging if an input file is a binary file.
2504         * fileread.cc (Input_file::open): Record format of original file.
2505         * fileread.h (Input_file::Format): New enum type.
2506         (Input_file::Input_file): Initialize data member format_.
2507         (Input_file::format): New method definition.
2508         (Input_file::format_):: New data member.
2510 2010-02-24  Doug Kwan  <dougkwan@google.com>
2512         * arm.cc (Arm_output_data_got): New class.
2513         (ARM_TCB_SIZE): New constant
2514         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2515         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2516         If user uses a script with a SECTIONS clause, issue only a warning
2517         for a misplaced EXIDX input section.  Otherwise, issue an error.
2518         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2519         garbage collection.
2520         (Target_arm::got_mode_index_entry): Handle static linking.
2521         (Target_arm::Scan::local): Ditto.
2522         (Target_arm::Scan::global): Ditto.
2523         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2524         all incorrectly implemented relocations.
2525         (Target_arm::fix_exidx_coverage): Pass layout to
2526         Arm_output_section::fix_exidx_coverage.
2527         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2528         from ".ARM.exidx." and ".ARM.extab.".
2530 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2532         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2533         section if it does not already exist.
2534         * attributes.cc (Attributes_section_data::Attributes_section_data):
2535         Don't crash if size is zero.
2537 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2538             Ian Lance Taylor  <iant@google.com>
2540         * gold.cc (queue_middle_tasks): If no input files were opened,
2541         exit.
2542         * workqueue.h (Task_function::Task_function): Assert that there is
2543         a blocker.
2545 2010-02-22  Doug Kwan  <dougkwan@google.com>
2547         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2548         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2549         types to avoid warnings due to different uint64_t implementations
2550         on different hosts.
2552 2010-02-21  Doug Kwan  <dougkwan@google.com>
2554         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2555         handling of the maximum backward branch offset.
2556         (Arm_relocate_functions::thumb_branch_common): Ditto.
2557         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2558         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2559         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2560         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2561         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2562         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2563         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2564         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2565         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2566         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2567         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2568         thumb2_bl_out_of_range.o): New rules.
2569         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2570         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2571         thumb2_bl_out_of_range
2572         * testsuite/Makefile.in: Regenerate.
2573         * testsuite/arm_bl_in_range.s: New file.
2574         * testsuite/arm_bl_out_of_range.s: Ditto.
2575         * testsuite/arm_branch_in_range.sh: Ditto.
2576         * testsuite/arm_branch_range.t: Ditto.
2577         * testsuite/thumb2_branch_range.t: Ditto.
2578         * testsuite/thumb_bl_in_range.s: Ditto.
2579         * testsuite/thumb_bl_out_of_range.s: Ditto.
2580         * testsuite/thumb_branch_range.t: Ditto.
2582 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2584         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2585         Add reloc offset information.
2586         * icf.cc (get_section_contents): Change iterators to point to the new
2587         vectors. Add reloc offset information to the contents.
2588         * icf.h (Icf::Sections_reachable_info): New typedef.
2589         (Icf::Sections_reachable_list): New typedef.
2590         (Icf::Offset_info): New typedef.
2591         (Icf::Reloc_info): New struct typedef.
2592         (Icf::Reloc_info_list): New typedef.
2593         (Icf::symbol_reloc_list): Delete method.
2594         (Icf::addend_reloc_list): Delete method.
2595         (Icf::section_reloc_list): Delete method.
2596         (Icf::reloc_info_list): New method.
2597         (Icf::reloc_info_list_): New member.
2599 2010-02-19  Doug Kwan  <dougkwan@google.com>
2601         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2602         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2603         * arm.cc (Arm_relocation_functions): New forward declaration.
2604         (Target_arm::Target_arm): Initialize new data members
2605         got_mod_index_offset_ and tls_base_symbol_defined_.
2606         (Target_arm::Relocate::relocate_tls): New method.
2607         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2608          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2609         New methods.
2610         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2611         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2612         (Target_arm::got_mod_index_offset_,
2613         Target_arm::tls_base_symbol_defined_): New data members.
2614         (Target_arm::Scan::local, Target::Scan::global,
2615         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2616         relocations.
2618 2010-02-18  Doug Kwan  <dougkwan@google.com>
2620         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2621         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2622         text section as a parameter becuase some broken tools may not set
2623         the link in section header.
2624         (Target_arm::has_got_section): New method.
2625         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2626         without any mapping symbol as data only.  Remove warning.
2627         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2628         link in its section header, try to discover the link by inspecting the
2629         REL31 relocation at the beginning of the section.
2630         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2631         in error message.
2632         (Target_arm::Scan::global): Treat any reference to the symbol
2633         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2635 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2637         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2638         (Scan::global_reloc_may_be_function_pointer): New function.
2639         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2640         (Scan::global_reloc_may_be_function_pointer): New function.
2641         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2642         (Scan::global_reloc_may_be_function_pointer): New function.
2643         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2644         (Scan::global_reloc_may_be_function_pointer): New function.
2645         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2646         (Scan::global_reloc_may_be_function_pointer): New function.
2647         (Scan::possible_function_pointer_reloc): New function.
2648         (Target_x86_64::can_check_for_function_pointers): New function.
2649         * gc.h (gc_process_relocs): Scan relocation types to determine if
2650         function pointers were taken for targets that support it.
2651         * icf.cc (Icf::find_identical_sections): Include functions for
2652         folding in safe ICF whose pointer is not taken.
2653         * icf.h (Secn_fptr_taken_set): New typedef.
2654         (fptr_section_id_): New member.
2655         (section_has_function_pointers): New function.
2656         (set_section_has_function_pointers): New function.
2657         (check_section_for_function_pointers): New function.
2658         * options.h: Fix comment for safe ICF option.
2659         * target.h (can_check_for_function_pointers): New function.
2660         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2661         Modify icf_safe_test for X86-64.
2662         * testsuite/Makefile.in: Regenerate.
2663         * testsuite/icf_safe_so_test.cc: New file.
2664         * testsuite/icf_safe_so_test.sh: New file.
2665         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2666         (main): Change to take pointer to function kept_func_3.
2667         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2668         folding is done correctly for X86-64.
2670 2010-02-12  David S. Miller  <davem@davemloft.net>
2672         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2673         is_symbolless parameter.
2674         (Output_reloc<SHT_REL>::is_symbolless): New.
2675         (Output_reloc<SHT_REL>::is_symbolless_): New.
2676         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2677         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2678         (Output_reloc<SHT_RELA>::is_symbolless): New.
2679         (Output_data_reloc::add_global): Handle is_symbolless.
2680         (Output_data_reloc::add_global_relative): Likewise.
2681         (Output_data_reloc::add_local): Likewise.
2682         (Output_data_reloc::add_local_relative): Likewise.
2683         (Output_data_reloc::add_symbolless_global_addend): New.
2684         (Output_data_reloc::add_symbolless_local_addend): New.
2685         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2686         is_symbolless.
2687         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2688         instead of ->is_relative_
2689         (Output_reloc::write): Likewise.
2690         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2691         (Output_reloc::write_rel): Simplify.
2693         * sparc.cc (Target_sparc::Scan::local): Use
2694         ->add_symbolless_local_addend as needed.
2695         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2696         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2697         based upon relocation offset.
2699 2010-02-11  Doug Kwan  <dougkwan@google.com>
2701         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2702         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2703         beginning of function.
2704         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2705         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2706         parameter is_32bit in calls to should_apply_static_reloc.
2707         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2708         (check_DATA): Add arm_abs_global.stdout.
2709         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2710         arm_abs_global.stdout): New rules.
2711         (MOSTLLYCLEANFILES): Add arm_abs_global
2712         * Makefile.in: Regenerate.
2713         * testsuite/arm_abs_global.s: New file.
2714         * testsuite/arm_abs_global.sh: Ditto.
2715         * testsuite/arm_abs_lib.s: Ditto.
2717 2010-02-11  Ian Lance Taylor  <iant@google.com>
2719         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2720         Read_relocs task.
2721         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2722         Allocate_commons_task first.
2723         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2724         task, rather than symtab_lock_.
2725         (Gc_process_relocs::~Gc_process_relocs): New function.
2726         (Gc_process_relocs::is_runnable): Check this_blocker_.
2727         (Gc_process_relocs::locks): Use next_blocker_ rather than
2728         blocker_.
2729         (Scan_relocs::~Scan_relocs): New function.
2730         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2731         symtab_lock_.
2732         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2733         next_blocker_.
2734         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2735         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2736         constructor accordingly.
2737         (class Gc_process_relocs): Likewise.
2738         (class Scan_relocs): Likewise.
2739         * common.h (class Allocate_commons_task): Remove symtab_lock_
2740         field, and corresponding constructor parameter.
2741         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2742         symtab_lock_.
2743         (Allocate_commons_task::locks): Likewise.
2745 2010-02-11  Ian Lance Taylor  <iant@google.com>
2747         * gold-threads.h (class Once): Define.
2748         (class Initialize_lock): Rewrite as child of Once.
2749         * gold-threads.cc (class Once_initialize): Define.
2750         (once_pointer_control): New static variable.
2751         (once_pointer, once_arg): New static variables.
2752         (c_run_once): New static function.
2753         (Once::Once, Once::run_once, Once::internal_run): New functions.
2754         (class Initialize_lock_once): Remove.
2755         (initialize_lock_control): Remove.
2756         (initialize_lock_pointer): Remove.
2757         (initialize_lock_once): Remove.
2758         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2759         (Initialize_lock::initialize): Rewrite.
2760         (Initialize_lock::do_run_once): New function.
2761         * archive.cc (Archive::interpret_header): Only clear name if it is
2762         not already empty.
2763         * fileread.cc: Include "gold-threads.h"
2764         (file_counts_lock): New static variable.
2765         (file_counts_initialize_lock): Likewise.
2766         (File_read::release): Only increment counts when using --stats.
2767         Use a lock around the increment.
2768         * parameters.cc (class Set_parameters_target_once): Define.
2769         (set_parameters_target_once): New static variable.
2770         (Parameters::Parameters): Move here from parameters.h.
2771         (Parameters::set_target): Rewrite.
2772         (Parameters::set_target_once): New function.
2773         (Parameters::clear_target): Move here and rewrite.
2774         * parameters.h (class Parameters): Update declarations.  Add
2775         set_parameters_target_once_ field.
2776         (Parameters::Parameters): Move to parameters.cc.
2777         (Parameters::clear_target): Likewise.
2778         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2779         task.
2780         (Start_group::~Start_group): New function.
2781         (Start_group::is_runnable): New function.
2782         (Start_group::locks, Start_group::run): New functions.
2783         (Finish_group::run): Change saw_undefined to size_t.
2784         * readsyms.h (class Start_group): Define.
2785         (class Finish_group): Change saw_undefined_ field to size_t.
2786         (Finish_group::Finish_group): Remove saw_undefined and
2787         this_blocker parameters.  Change all callers.
2788         (Finish_group::set_saw_undefined): New function.
2789         (Finish_group::set_blocker): New function.
2790         * symtab.h (class Symbol_table): Change saw_undefined to return
2791         size_t.  Change saw_undefined_ field to size_t.
2792         * target-select.cc (Set_target_once::do_run_once): New function.
2793         (Target_selector::Target_selector): Initialize set_target_once_
2794         field.  Don't initialize lock_ and initialize_lock_ fields.
2795         (Target_selector::instantiate_target): Rewrite.
2796         (Target_selector::set_target): New function.
2797         * target-select.h (class Set_target_once): Define.
2798         (class Target_selector): Update declarations.  Make
2799         Set_target_once a friend.  Remove lock_ and initialize_lock_
2800         fields.  Add set_target_once_ field.
2802 2010-02-10  Ian Lance Taylor  <iant@google.com>
2804         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2805         queueing any tasks.
2806         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2807         (queue_middle_tasks): Add all blockers before queueing any tasks.
2808         (queue_final_tasks): Likewise.
2809         * token.h (Task_token::add_blockers): New function.
2810         * object.h (Input_objects::number_of_relobjs): New function.
2812 2010-02-10  Ian Lance Taylor  <iant@google.com>
2814         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2815         shared, not if not position independent.
2816         * x86_64.cc (Relocate::relocate_tls): Likewise.
2817         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2818         (tls_pie_pic_test): New target.
2819         * testsuite/Makefile.in: Rebuild.
2821         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2822         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2823         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2824         * testsuite/Makefile.in: Rebuild.
2826 2010-02-09  David S. Miller  <davem@davemloft.net>
2828         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2829         R_SPARC_RELATIVE using ->add_local_relative().
2830         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2832         * output.h (Output_data_dynamic::add_section_size): New method
2833         that takes two Output_data objects.
2834         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2835         entry param.  Handle it in initializers.
2836         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2837         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2838         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2839         arg.
2840         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2841         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2842         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2843         for dynrel_includes_plt.
2844         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2845         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2846         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2847         before .rela.plt
2848         (Target_sparc::do_finalize_sections): Update to pass true for
2849         dynrel_includes_plt.
2850         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2851         output before .rela.plt
2852         (Target_powerpc::do_finalize_sections): Update to pass true for
2853         dynrel_includes_plt when 32-bit.
2855 2010-02-08  Doug Kwan  <dougkwan@google.com>
2857         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2858         method.
2859         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2860         Arm_relobj::scan_section_for_cortex_a8_stubs,
2861         Arm_relobj::do_relocation_section): Instead of calling
2862         Output_section::output_address, use faster
2863         Arm_relobj::simple_input_section_output_address.
2865 2010-02-08  David S. Miller  <davem@davemloft.net>
2867         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2868         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2869         relocation helper function.
2871         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2872         just like R_SPARC_GOT{10,13,22}.
2873         (Target_sparc::Scan::local): Likewise.
2874         (Target_sparc::Relocate:relocate): Likewise.
2876 2010-02-06  Ian Lance Taylor  <iant@google.com>
2878         * configure.ac: Rewrite targetobjs duplicate removal code to use
2879         only shell constructs.
2880         * configure: Rebuild.
2882 2010-02-05  Doug Kwan  <dougkwan@google.com>
2884         PR 11247
2885         * arm.cc (Arm_relobj::section_is_scannable): New method.
2886         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
2887         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2889 2010-02-04  Doug Kwan  <dougkwan@google.com>
2891         PR 11247
2892         * arm-reloc-property.cc (cstdio): Include.
2893         * configure.ac (targetobjs): Remove duplicates.
2894         * configure: Regenerate.
2895         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
2896         big and little endian version for a given address size.
2898 2010-02-03  Doug Kwan  <dougkwan@google.com>
2900         * arm-reloc-property.cc
2901         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2902         definition.
2903         * arm-reloc-property.h
2904         (Arm_reloc_property_table::get_implemented_static_reloc_property):
2905         New method definition.
2906         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2907         declaration.
2908         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
2909         overflow to N.
2910         (GOT_PREL): Change implemented to Y.
2911         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
2912         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
2913         (Arm_relocate_functions::movw_abs_nc): Remove method.
2914         (Arm_relocate_functions::movt_abs): Ditto.
2915         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
2916         (Arm_relocate_functions::thm_movt_abs): Ditto.
2917         (Arm_relocate_functions::movw_rel_nc): Ditto.
2918         (Arm_relocate_functions::movw_rel): Ditto.
2919         (Arm_relocate_functions::movt_rel): Ditto.
2920         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
2921         (Arm_relocate_functions:thm_movw_rel): Ditto.
2922         (Arm_relocate_functions:thm_movt_rel): Ditto.
2923         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
2924         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
2925         New method definitions.
2926         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
2927         (Arm_relocation_functions::arm_grp_ldr): Ditto.
2928         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
2929         (Arm_relocation_functions::arm_grp_ldc): Ditto.
2930         (Target_arm::Relocate::relocate): Check for non-static or
2931         unimplemented relocation code and exit early.  Change calls to
2932         Target_arm::reloc_uses_thumb_bit and
2933         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
2934         instead.  Refactor code to handle similar relocations to increase
2935         code sharing.  Remove check for unsupported relocation code in switch
2936         statement.
2937         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
2938         relocation property table to find out size.  Change error message to
2939         print out the name of a relocation code instead of the numeric value.
2940         (Target_arm::scan_reloc_for_stub): Use relocation property table
2941         instead of calling Target_arm::reloc_uses_thumb_bit().
2943 2010-02-02  Doug Kwan  <dougkwan@google.com>
2945         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
2946         types of relaxed input section.
2948 2010-02-02  Doug Kwan  <dougkwan@google.com>
2950         * Makefile.am (HFILES): Add arm-reloc-property.h.
2951         (DEFFILES): New.
2952         (TARGETSOURCES): Add arm-reloc-property.cc
2953         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
2954         (libgold_a_SOURCES): $(DEFFILES)
2955         * Makefile.in: Regenerate.
2956         * arm-reloc-property.cc: New file.
2957         * arm-reloc-property.h: New file.
2958         * arm-reloc.def: New file.
2959         * arm.cc: Update comments.
2960         (arm-reloc-property.h): New included header.
2961         (arm_reloc_property_table): New global variable.
2962         (Target_arm::do_select_as_default_target): New method definition.
2963         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
2964         arm-reloc-property to targ_extra_obj.
2965         * parameters.cc (set_parameters_target): Call
2966         Target::select_as_default_target().
2967         * target.h (Target::select_as_default_target): New method definition.
2968         (Target::do_select_as_default_target): Same.
2970 2010-02-01  Doug Kwan  <dougkwan@google.com>
2972         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
2973         first_output_text_section_.
2974         (Arm_exidx_fixup::first_output_text_section): New method definition.
2975         (Arm_exidx_fixup::first_output_text_section_): New data member.
2976         (Arm_exidx_fixup::process_exidx_section): Record the first text
2977         output section seen.
2978         (Arm_output_section::fix_exidx_coverage): Set correct linked section
2979         and entsize in output section header.
2981 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2983         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
2984         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
2985         (Arm_relocate_functions::thm_alu11): New Method.
2986         (Arm_relocate_functions::thm_pc8): New Method.
2987         (Arm_relocate_functions::thm_pc12): New Method.
2988         (Target_arm::Scan::local): Handle the relocations.
2989         (Target_arm::Scan::global): Likewise.
2990         (Target_arm::Relocate::relocate): Likewise.
2991         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2993 2010-01-29  Doug Kwan  <dougkwan@google.com>
2995         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
2996         of relocation types as ld.
2998 2010-01-29  Doug Kwan  <dougkwan@google.com>
3000         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
3001         to public.
3002         (Arm_relocate_functions::thumb_branch_common): Ditto.
3003         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
3004         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
3005         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
3006         Arm_relocate_functions::jump24): Remove.
3007         (Target_arm::Relocate::relocate): Adjust code to call
3008         Arm_relocation_functions::arm_branch_common and
3009         Arm_relocation_functions::thumb_branch_common instead of their removed
3010         wrappers.  Merge switch-cases together to reduce source code size.
3012 2010-01-29  Doug Kwan  <dougkwan@google.com>
3014         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
3015         output_local_symbol_count_needs_update_.
3016         (Arm_relobj::output_local_symbol_count_needs_update,
3017          Arm_relobj::set_output_local_symbol_count_needs_update,
3018          Arm_relobj::update_output_local_symbol_count): New methods.
3019         (Arm_relobj::output_local_symbol_count_needs_update_): New data
3020         member.
3021         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
3022         of pointed function as in a R_ARM_PREL31 relocation.
3023         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
3024         for output local symbol count updating.
3025         (Target_arm::do_relax): Update output local symbol counts in objects
3026         if necessary.
3027         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
3029 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3031         * arm.cc: Added support for the ARM relocations:
3032         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
3033         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
3034         (Arm_relocate_functions::movw_rel_nc): Renamed (was
3035         movw_prel_nc).
3036         (Arm_relocate_functions::movw_rel): New method.
3037         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
3038         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
3039         thm_movw_prel_nc).
3040         (Arm_relocate_functions::thm_movw_rel): New method.
3041         (Arm_relocate_functions::thm_movt_rel): Renamed (was
3042         thm_movt_prel).
3043         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
3044         relocations.
3045         (Target_arm::Scan::global): Likewise.
3046         (Target_arm::Relocate::relocate): Likewise.
3047         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3048         Likewise.
3050 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3052         * arm.cc: Added support for ARM group relocations.
3053         (Target_arm::reloc_needs_sym_origin): New method.
3054         (Arm_relocate_functions::calc_grp_kn): New method.
3055         (Arm_relocate_functions::calc_grp_residual): New method.
3056         (Arm_relocate_functions::calc_grp_gn): New method.
3057         (Arm_relocate_functions::arm_grp_alu): New Method.
3058         (Arm_relocate_functions::arm_grp_ldr): New Method.
3059         (Arm_relocate_functions::arm_grp_ldrs): New Method.
3060         (Arm_relocate_functions::arm_grp_ldc): New Method.
3061         (Target_arm::Scan::local): Handle the ARM group relocations.
3062         (Target_arm::Scan::global): Likewise.
3063         (Target_arm::Relocate::relocate): Likewise.
3064         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3065         Likewise.
3067 2010-01-26  Doug Kwan  <dougkwan@google.com>
3069         * arm.cc (set): Include.
3070         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3071         pointer type.
3072         (Arm_output_section::Text_section_list): New type.
3073         (Arm_output_section::append_text_sections_to_list): New method.
3074         (Arm_output_section::fix_exidx_coverage): Ditto.
3075         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3076         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3077         Relobj::set_section_offset() instead of
3078         Sized_relobj::invalidate_section_offset().
3079         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3080         parameter for section headers. Ignore relocation sections for
3081         unallocated sections and EXIDX sections.
3082         (Target_arm::fix_exidx_coverage): New method.
3083         (Target_arm::output_section_address_less_than): New type.
3084         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3085         linked text section instead of the EXIDX section.
3086         (Arm_output_section::create_stub_group): Add an assertion to check
3087         that this is not an EXIDX output section.
3088         (Arm_output_section::append_text_sections_to_list): New method.
3089         (Arm_output_section::fix_exidx_coverage): Ditto.
3090         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3091         Arm_relobj::section_needs_reloc_stub_scanning.
3092         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3093         first pass.
3094         (Target_arm::fix_exidx_coverage): New method.
3095         * object.h (Relobj::set_output_section): New method.
3096         (Sized_relobj::invalidate_section_offset): Remove method.
3097         (Sized_relobj::do_invalidate_section_offset): Remove method.
3098         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3100 2010-01-25  Doug Kwan  <dougkwan@google.com>
3102         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3103         Fix warning due to signed and unsigned comparison on a 32-bit host.
3105 2010-01-22  Doug Kwan  <dougkwan@google.com>
3107         * arm.cc (Target_arm::do_relax): Record an output section for section
3108         offset adjustment it contains any stub table that has changed.
3109         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3110         offsets in an output section if necessary.
3111         * output.cc (Output_section::Output_section): Initialize
3112         section_offsets_need_adjustments_.
3113         (Output_section::add_input_section_for_script): Renamed to
3114         Output_section::add_simple_input_section.
3115         (Output_section::save_states): Add a comment.
3116         (Output_section::discard_states): New method defintion.
3117         (Output_section::adjust_section_offsets): Same.
3118         * output.h (Output_section::add_input_section_for_script): Renamed to
3119         Output_section::add_simple_input_section.
3120         (Output_section::discard_states): New method declaration.
3121         (Output_section::adjust_section_offsets): Same.
3122         (Output_section::section_offsets_need_adjustment,
3123         Output_section::set_section_offsets_need_adjustment): New method
3124         definitions.
3125         (Output_section::section_offsets_need_adjustment_): New data member.
3126         * script-sections.cc
3127         (Output_section_element_input::set_section_address): Adjust code for
3128         renaming of Output_section::add_input_section_for_script.
3129         (Orphan_output_section::set_section_address): Same.
3131 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3133         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3134         Fix_v4bx enum values .
3135         * gold/options.h (General_options): New option definitions.
3136         (General_options::fix_v4bx): New method.
3137         (General_options::Fix_v4bx): New enum.
3138         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3139         (General_options::parse_fix_v4bx_interworking): New method.
3141 2010-01-22  Doug Kwan  <dougkwan@google.com>
3143         * arm.cc (Arm_exidx_fixup): New class.
3145 2010-01-21  Doug Kwan  <dougkwan@google.com>
3147         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3148         classes.
3149         (Arm_exidx_section_offset_map): New type.
3151 2010-01-21  Doug Kwan  <dougkwan@google.com>
3153         * arm.cc (Arm_exidx_input_section): New class.
3154         (Arm_relobj::exidx_input_section_by_link,
3155         Arm_relobj::exidx_input_section_by_shndx,
3156         Arm_relobj::make_exidx_input_section): New methods.
3157         (read_arm_attributes_section): Remove.
3158         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3159         information about them.
3160         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
3161         to here.
3163 2010-01-20  Doug Kwan  <dougkwan@google.com>
3165         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
3166         Input_section_specifier to Section_id.
3167         (Target_arm::new_arm_input_section: Adjust code for change of key
3168         type.
3169         (Target_arm::find_arm_input_section): Ditto.
3170         * gc.h (object.h): Include for Section_id nand Section_id_hash.
3171         (Section_id): Remove.
3172         (Garbage_collection::Section_id_hash): Remove.
3173         * icf.h (object.h): Include for Section_id nand Section_id_hash.
3174         (Section_id): Remove.
3175         (Icf::Section_id_hash): Remove.
3176         * object.h (Section_id, Const_section_id, Section_id_hash,
3177         Const_section_id_hash): New type definitions.
3178         * output.cc (Output_section::add_relaxed_input_section): Change to
3179         use Const_section_id instead of Input_section_specifier as key type.
3180         (Output_section::add_merge_input_section): Ditto.
3181         (Output_section::build_relaxation_map): Change to use Section_id
3182         instead of Input_section_specifier as key type.
3183         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3184         Ditto.
3185         (Output_section::convert_input_sections_to_relaxed_sections): Change
3186         to use Const_section_id instead of Input_section_specifier as key type.
3187         (Output_section::find_merge_section): Ditto.
3188         (Output_section::find_relaxed_input_section): Ditto.
3189         * output.h (Input_section_specifier): Remove class.
3190         (Output_section::Output_section_data_by_input_section_map): Change
3191         key type to Const_section_id.
3192         (Output_section::Output_relaxed_input_section_by_input_section_map):
3193         Ditto.
3194         (Output_section::Relaxation_map): Change key type to Section_id.
3196 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3198         * gold/arm.cc: Added support for R_ARM_V4BX relocation
3199         (class Arm_v4bx_stub): New class.
3200         (DEF_STUBS): Updated definition to support v4_veneer_bx.
3201         (Stub_factory::make_arm_v4bx_stub): New method.
3202         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
3203         (Stub_table::empty): Handle v4bx stubs.
3204         (Stub_table::add_arm_v4bx_stub): New method.
3205         (Stub_table::find_arm_v4bx_stub): New method.
3206         (Arm_relocate_functions::v4bx): New method.
3207         (Target_arm::fix_v4bx): New method.
3208         (Target_arm::Target_arm): Handle R_ARM_V4BX.
3209         (Stub_table::relocate_stubs): Likewise.
3210         (Stub_table::do_write): Likewise.
3211         (Stub_table::update_data_size_and_addralign): Likewise.
3212         (Stub_table::finalize_stubs):  Likewise.
3213         (Target_arm::Scan::local): Likewise.
3214         (Target_arm::Scan::global): Likewise.
3215         (Target_arm::do_finalize_sections): Likewise.
3216         (Target_arm::Relocate::relocate): Likewise.
3217         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3218         Likewise.
3219         (Target_arm::scan_reloc_for_stub): Likewise.
3220         (Target_arm::scan_reloc_section_for_stubs): Likewise.
3222 2010-01-19  Ian Lance Taylor  <iant@google.com>
3224         * output.cc (Output_section_headers::do_sized_write): Write large
3225         segment count to sh_info field.
3226         (Output_file_header::do_sized_write): For large segment count,
3227         write PN_XNUM to e_phnum field.
3229 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3231         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
3232         (Arm_relocate_functions::thm_jump8): New function.
3233         (Arm_relocate_functions::thm_jump11): New function.
3234         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
3235         R_ARM_THM_JUMP11.
3236         (Target_arm::Scan::global): Likewise.
3237         (Target_arm::Relocate::relocate): Likewise.
3238         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3239         Likewise.
3241 2010-01-14  Doug Kwan  <dougkwan@google.com>
3243         * arm.cc (map, utility): Include headers.
3244         (Target_arm::apply_cortex_a8_workaround): New method.
3245         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
3246         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
3247         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
3248         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
3249         the --[no-]fix-cortex-a8 command line options.
3250         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
3251         (Target_arm::relocate_stub): Use addend in instruction template.
3252         * options.h (DEFINE_bool): Set the user-set flag.
3253         (General_options): Add --[no-]-fix-cortex options.
3254         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
3255         : Update fast look-up map after conversion.
3257 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
3259         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
3260         in the first pass of do_layout.
3262 2010-01-13  Doug Kwan  <dougkwan@google.com>
3264         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3265         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
3266         apparent compiler problem of not folding static constant integral
3267         data members of elfcpp::Elf_sizes<32>.
3269 2010-01-13  Doug Kwan  <dougkwan@google.com>
3271         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3272         Arm_relobj::section_needs_cortex_a8_stub_scanning,
3273         Arm_relobj::scan_section_for_cortex_a8_erratum,
3274         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
3275         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
3276         sections to scan for relocation stubs into a new method
3277         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
3278         relocation and Cortex-A8 stub scanning.
3279         (Target_arm::do_relax): Force stubs to be after stubbed sections
3280         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
3281         the beginning of a new relaxation pass.  Update a comment.
3282         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
3284 2010-01-12  Ian Lance Taylor  <iant@google.com>
3286         * target-reloc.h (visibility_error): New inline function.
3287         (relocate_section): Call visibility_error.
3288         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
3289         (MOSTLYCLEANFILES): Likewise.
3290         (protected_4_pic.o, protected_3.err): New targets.
3291         * testsuite/protected_4.cc: New file.
3293 2010-01-12  Doug Kwan  <dougkwan@google.com>
3295         * arm.cc (Cortex_a8_reloc): New class.
3296         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
3297         and cortex_a8_relocs_info_.
3298         (Target_arm::fix_cortex_a8): New method definition.
3299         (Target_arm::Cortex_a8_relocs_info): New type.
3300         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
3301         New data member declarations.
3302         (Target_arm::scan_reloc_for_stub): Record information about
3303         relocations for THUMB branches that might be exempted from the
3304         Cortex-A8 workaround.
3305         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
3306         at the beginning of a relaxation pass.
3308 2010-01-12  Doug Kwan  <dougkwan@google.com>
3310         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
3311         (Arm_relobj::Mapping_symbol_position,
3312          Arm_reloj::Mapping_symbol_position_less,
3313          Arm_relobj::Mapping_symbols_info): New types.
3314         (Target_arm::is_mapping_symbol_name): New method definition.
3315         (Arm_relobj::do_count_local_symbols): Save information about mapping
3316         symbols.
3318 2010-01-11  Doug Kwan  <dougkwan@google.com>
3320         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
3321         Arm_relocate_functions::thumb32_branch_upper,
3322         Arm_relocate_functions::thumb32_branch_lower,
3323         Arm_relocate_functions::thumb32_cond_branch_offset,
3324         Arm_relocate_functions::thumb32_cond_branch_upper,
3325         Arm_relocate_functions::thumb32_cond_branch_lower,
3326         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
3327         branch offset encoding.
3328         (Arm_relocate_functions::thumb_branch_common): Use new branch
3329         offset encoding methods to avoid code duplication.
3330         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3331         (Stub_addend_reader::operator()): Use new branch encoding method
3332         to avoid code duplication.
3334 2010-01-11  Doug Kwan  <dougkwan@google.com>
3336         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3337         (Target_arm::do_finalize_sections): Define special EXIDX section
3338         symbols only if referenced.
3339         * gc.h (Garbage_collection::add_reference): New method.
3340         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3341         code duplication.
3343 2010-01-11  Ian Lance Taylor  <iant@google.com>
3345         * script.cc (Version_script_info::build_expression_list_lookup):
3346         Change complaing about duplicate wildcard match from error to
3347         warning.
3349         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3350         of 2009-12-30.
3351         (Version_script_info::Version_script_info): Initialize globs_,
3352         default_version_, default_is_global_, and exact_.  Don't
3353         initialize globals_ or locals_.
3354         (Version_script_info::build_lookup_tables): Build local symbols
3355         first.
3356         (Version_script_info::unquote): New function.
3357         (Version_script_info::add_exact_match): New function.
3358         (Version_script_info::build_expression_list_lookup): Remove lookup
3359         parameter.  Add is_global parameter.  Change all callers.  Handle
3360         wildcard pattern specially.  Unquote pattern.  Call
3361         add_exact_match.
3362         (Version_script_info::get_name_to_match): New function.
3363         (Version_script_info::get_symbol_version): New function.
3364         (Version_script_info::get_symbol_version_helper): Remove.
3365         (Version_script_info::check_unmatched_names): Call unquote.
3366         * script.h (class Version_script_info): Change get_symbol_version
3367         to be non-inline and add is_global parameter; change all callers.
3368         Rewrite symbol_is_local.  Update declarations.  Define struct
3369         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3370         Remove globals_ and locals_ members.  Add exact_, globs_,
3371         default_version_, is_global_.
3372         (Version_script_info::Glob): Remove pattern, add expression and
3373         is_global.  Update constructor.  Change all callers.
3374         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3375         default version.
3376         (Versions::symbol_section_contents): If a symbol is undefined, or
3377         defined in a dynamic object, set the version index to
3378         VER_NDX_LOCAL.
3379         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3380         symbol_is_local.
3381         (Symbol_table::add_from_pluginobj): Likewise.
3382         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3384 2010-01-11  Doug Kwan  <dougkwan@google.com>
3386         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3387         (incremental_dump_LDADD): Add linking option for libintl.
3388         * Makefile.in: Regenerate.
3390 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3392         PR gold/11144
3393         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3394         instead of -Ds.
3395         * testsuite/Makefile.in: Regenerated.
3397 2010-01-10  Doug Kwan  <dougkwan@google.com>
3399         * options.h (DEFINE_var): Use parentheses around argument varname__
3400         in macro body to avoid any unintended subsequent substitutions.
3402 2010-01-10  Ian Lance Taylor  <iant@google.com>
3404         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3405         candidates before doing symbol resolution.
3407         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3408         ODR candidates if only one is weak.
3410 2010-01-08  Ian Lance Taylor  <iant@google.com>
3412         * script.cc (Version_script_info::build_expression_list_lookup):
3413         Don't warn about ambiguous version, just record the ambiguity.
3414         (Version_script_info::get_symbol_version_helper): Give error if
3415         version is ambiguous.
3417 2010-01-08  Doug Kwan  <dougkwan@google.com>
3419         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3420           prev_data_size_ and prev_addralign_.  Remove initializer for
3421           deleted data member has_been_changed_.
3422           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3423           to determine if the table is empty.
3424           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3425           Remove.
3426           (Stub_table::add_reloc_stub): Define method in class definition
3427           instead of just declaring it there.
3428           (Stub_table::add_cortex_a8_stub): New method definition.
3429           (Stub_table::update_data_size_and_addralign): Ditto.
3430           (Stub_table::finalize_stubs): Ditto.
3431           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3432           (Stub_table::do_addralign_): Return address alignment in the
3433           (Stub_table::do_reset_address_and_file_offset): Define method in
3434           class definition instead of declaring it there.  Set current data
3435           size to be the data size of the previous pass.
3436           (Stub_table::set_final_data_size): Use current data size as the
3437           final data size.
3438           (Stub_table::relocate_stub): Change parameter type of stub from
3439           Reloc_stub pointer to Stub pointer.
3440           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3441           (Stub_table::Cortex_a8_stub_list): New typedef.
3442           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3443            Stub_table::prev_addralign_): New data member.
3444           (Arm_relobj::Arm_relobj): Initialize data member
3445           section_has_cortex_a8_workaround_.
3446           (Arm_relobj::section_has_cortex_a8_workaround,
3447            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3448            definitions.
3449           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3450           declarations.
3451           (Target_arm::relocate_stub): Change parameter type of stub from
3452           Reloc_stub pointer to Stub pointer.
3453           (Insn_template::size, Insn_template::alignment): Handle
3454           THUMB16_SPECIAL_TYPE.
3455           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3456            Stub_table::update_data_size_and_addralign,
3457            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3458           definitions.
3459           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3460           (Stub_table::do_write): Ditto.
3461           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3463 2010-01-08  Ian Lance Taylor  <iant@google.com>
3465         PR 11108
3466         * symtab.h (class Symbol): Remove fields is_target_special_ and
3467         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3468         (Symbol::is_defined_in_discarded_section): New function.
3469         (Symbol::set_is_defined_in_discarded_section): New function.
3470         (Symbol::has_plt_offset): Rewrite.
3471         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3472         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3473         Don't initialize is_target_special_ or has_plt_offset_.
3474         Initialize is_defined_in_discarded_section_.
3475         (Symbol_table::add_from_relobj): If appropriate, set
3476         is_defined_in_discarded_section.
3477         * resolve.cc (Symbol::override_base_with_special): Don't test
3478         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3479         * target-reloc.h (relocate_section): Do special handling for
3480         symbols defined in discarded sections for global symbols as well
3481         as local symbols.
3483 2010-01-08  Ian Lance Taylor  <iant@google.com>
3485         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3486         the SHT_SYMTAB case.
3488 2010-01-08  Ian Lance Taylor  <iant@google.com>
3490         * object.cc (Sized_relobj::do_layout): Don't get confused if
3491         layout_eh_frame returns NULL.
3493 2010-01-08  Ian Lance Taylor  <iant@google.com>
3495         PR 11084
3496         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3497         dynamic symbol table, use the normal symbol table.
3498         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3499         symbol table.
3501 2010-01-08  Ian Lance Taylor  <iant@google.com>
3503         PR 11072
3504         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3505         sections.
3507 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3509         * version.cc (print_version): Change to "Copyright 2010".
3511 2010-01-08  Ian Lance Taylor  <iant@google.com>
3513         PR 10287
3514         PR 11063
3515         * i386.cc (class Target_i386): Change return type of plt_section
3516         to be non-const.
3517         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3518         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3519         tls_desc_rel_ field.
3520         (Output_data_plt_i386::rel_tls_desc): New function.
3521         (Target_i386::rel_tls_desc_section): New function.
3522         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3523         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3524         R_386_TLS_DESC reloc in rel_tls_desc_section.
3525         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3526         Define struct Tlsdesc_info.
3527         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3528         (Target_x86_64::do_reloc_symbol_index): New function.
3529         (Target_x86_64::add_tlsdesc_info): New function.
3530         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3531         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3532         tlsdesc_rel_ field.
3533         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3534         all callers.
3535         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3536         (Target_x86_64::rela_tlsdesc_section): New function.
3537         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3538         handling.
3539         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3540         (Target_x86_64::do_reloc_addend): New function.
3541         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3542         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3543         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3544         (Output_reloc::type): New function.
3545         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3546         (Output_reloc::is_target_specific): New function.
3547         (Output_reloc::target_arg): New function.
3548         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3549         absolute relocs and target specific relocs.
3550         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3551         add_target_specific.
3552         (class Output_data_reloc) [SHT_RELA]: Likewise.
3553         * output.cc (Output_reloc::Output_reloc): Add four new versions
3554         for absolute relocs and target specific relocs.
3555         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3556         (Output_reloc::get_symbol_index): Likewise.
3557         (Output_reloc::local_section_offset): Check that local_sym_index_
3558         is not TARGET_CODE or 0.
3559         (Output_reloc::symbol_value): Likewise.
3560         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3561         reloc.
3562         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3563         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3564         functions.
3565         * layout.cc (add_target_dynamic_tags): Use output section for
3566         DT_PLTRELSZ and DT_JMPREL.
3568 2010-01-07  Ian Lance Taylor  <iant@google.com>
3570         PR 11061
3571         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3572         function.
3573         (class Output_data_reloc_generic): Define.
3574         (class Output_data_reloc_base): Change base class to
3575         Output_data_reloc_generic.  Change add() method to call
3576         bump_relative_reloc_count for a relative reloc.  Remove
3577         sort_relocs_ field.
3578         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3579         to sort_relocs().
3580         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3581         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3582         appropriate.
3583         * layout.h (class Layout): Update declaration.
3585 2010-01-07  Ian Lance Taylor  <iant@google.com>
3587         * output.h (class Output_data): Add const version of
3588         output_section and do_output_section.
3589         (class Output_section_data): Add const version of
3590         do_output_section.
3591         (class Output_section): Likewise.
3592         * layout.cc (Layout::add_target_dynamic_tags): New function.
3593         * layout.h (class Layout): Update declarations.
3594         * arm.cc (Target_arm::do_finalize_sections): Use
3595         add_target_dynamic_tags.
3596         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3597         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3598         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3599         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3601 2010-01-07  Ian Lance Taylor  <iant@google.com>
3603         PR 11042
3604         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3605         object as needed.
3607 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3608             Ian Lance Taylor  <iant@google.com>
3610         PR 11019
3611         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3612         Xindex::read_symtab_xindex.
3614 2010-01-07  Doug Kwan  <dougkwan@google.com>
3616         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3617         (Insn_template::thumb16_bcond_insn): New method declaration.
3618         (Insn_template): Fix spelling.
3619         (Stub::thumb16_special): New method declaration.
3620         (Stub::do_write): Define virtual method which was previously pure
3621         virtual.
3622         (Stub::do_thumb16_special): New method declaration.
3623         (Stub::do_fixed_endian_write): New template member.
3624         (Reloc_stub::do_write): Remove.
3625         (Reloc_stub::do_fixed_endian_write): Remove.
3626         (Cortex_a8_stub): New class definition.
3627         (Stub_factory::make_cortex_a8_stub): New method definition.
3628         (Stub_factory::Stub_factory): Add missing static storage class
3629         qualifier for elf32_arm_stub_a8_veneer_blx.
3631 2010-01-07  Ian Lance Taylor  <iant@google.com>
3633         PR 10980
3634         * options.h (class General_options): Add --warn-unresolved-symbols
3635         and --error-unresolved-symbols.
3636         * errors.cc (Errors::undefined_symbol): Implement
3637         --warn-unresolved-symbols.
3639         * options.h (class General_options): Add -z text and -z textoff.
3640         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3642 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3644         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3645         (Garbage_collection::cident_sections): New function.
3646         (Garbage_collection::add_cident_section): New function.
3647         (Garbage_collection::cident_sections_): New member.
3648         (gc_process_relocs): Add references to sections whose names are C
3649         identifiers.
3650         * gold.h (cident_section_start_prefix): New constant.
3651         (cident_section_stop_prefix): New constant.
3652         (is_cident): New function.
3653         * layout.cc (Layout::define_section_symbols): Replace string constants
3654         with the newly defined constants.
3655         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3656         C identifiers.
3657         * testsuite/Makefile.am: Add gc_orphan_section_test.
3658         * testsuite/Makefile.in: Regenerate.
3659         * testsuite/gc_orphan_section_test.cc: New file.
3660         * testsuite/gc_orphan_section_test.sh: New file.
3662 2010-01-06  Ian Lance Taylor  <iant@google.com>
3664         PR 10980
3665         * options.h (class General_options): Add --warn-shared-textrel.
3666         * layout.cc (Layout::finish_dynamic_section): Implement
3667         --warn-shared-textrel.
3669         PR 10980
3670         * options.h (class General_options): Add --warn-multiple-gp.
3672 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3674         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3675         $(THREADSLIB) and $(LIBDL).
3676         * Makefile.in: Rebuild.
3678 2010-01-06  Ian Lance Taylor  <iant@google.com>
3680         PR 10980
3681         * options.cc (General_options::parse_section_start): New function.
3682         (General_options::section_start): New function.
3683         (General_options::General_options): Initialize all members.
3684         * options.h: Include <map>
3685         (class General_options): Add --section-start.  Add section_starts_
3686         member.
3687         * layout.cc (Layout::attach_allocated_section_to_segment): If
3688         --section-start was used, set the address of the segment.  Remove
3689         local sort_sections.
3690         (Layout::relaxation_loop_body): If the address of the load segment
3691         has been set by --section-start, don't use it.
3692         * output.h (Output_segment::update_flags_for_output_section): New
3693         function.
3694         * output.cc (Output_segment::add_output_section): Call
3695         update_flags_for_output_section.
3697 2010-01-05  Ian Lance Taylor  <iant@google.com>
3699         PR 10980
3700         * options.h (class General_options): Add --undefined-version.
3701         * script.cc (struct Version_expression): Add was_matched_by_symbol
3702         field.
3703         (Version_script_info::matched_symbol): New function.
3704         (Version_script_info::get_symbol_version_helper): Call
3705         matched_symbol.
3706         (Version_script_info::check_unmatched_names): New function.
3707         * script.h (class Version_script_info): Update declarations.
3708         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3710         * options.h (class General_options): Use DEFINE_bool_alias for
3711         allow_multiple_definition.
3712         * resolve.cc (Symbol_table::should_override): Don't test
3713         allow_multiple_definition.
3715         PR 10980
3716         * options.h (class General_options): Add --cref.
3717         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3718         until after printing cref table.
3719         * cref.cc: Include "symtab.h".
3720         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3721         (Cref_table_compare::operator()): New function.
3722         (Cref_inputs::gather_cref): New function.
3723         (filecol): New static const.
3724         (Cref_inputs::print_cref): New function.
3725         (Cref::print_cref): New function.
3726         * cref.h: Include <cstdio>.
3727         (class Cref): Update declarations.
3728         * mapfile.h (Mapfile::file): New function.
3729         * object.h (class Object): Define Symbols.  Declare virtual
3730         do_get_global_symbols.
3731         (Object::get_global_symbols): New function.
3732         * object.cc (Input_objects::add_object): Pass object to cref_ if
3733         --cref.
3734         (Input_objects::archive_start): Likewise.
3735         (Input_objects::archive_stop): Likewise.
3736         (Input_objects::print_cref): New function.
3737         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3738         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3739         --cref.
3740         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3741         function.
3742         * plugin.h (class Sized_pluginobj): Update declarations.
3744 2010-01-05  Ian Lance Taylor  <iant@google.com>
3746         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3747         to is_default_version.  Rename insdef to insdefault.
3748         (Symbol_table::add_from_relobj): Rename def to is_default_version
3749         and local to is_forced_local.
3750         (Symbol_table::add_from_pluginobj): Likewise.
3751         (Symbol_table::add_from_dynobj): Likewise.
3752         (Symbol_table::define_special_symbol): Rename insdef to
3753         insdefault.
3755 2010-01-04  Ian Lance Taylor  <iant@google.com>
3757         PR 10980
3758         * options.h (class General_options): Add
3759         --allow-multiple-definition and -z muldefs.
3760         * resolve.cc (Symbol_table::should_override): Don't warn about a
3761         multiple symbol definition if --allow-multiple-definition or -z
3762         muldefs.
3764         PR 10980
3765         * options.h (class General_options): Add --add-needed and
3766         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3767         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3768         error if --copy-dt-needed-entries aka --add-needed is used and
3769         would cause a change in behaviour.
3771         PR 10980
3772         * options.h (class General_options): Add -G as a short version of
3773         --shared.  Add no-op options -assert, -g, and -i.
3775 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3777         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3778         check for .text or .gnu.linkonce.t sections.
3779         * icf.cc (Icf::find_identical_sections): Ditto.
3780         Change the detection for mangled function name within the section
3781         name.
3782         * icf.h (is_section_foldable_candidate): New function.
3784 2009-12-30  Ian Lance Taylor  <iant@google.com>
3786         PR 10980
3787         * options.h (class General_options): Permit two dashes with
3788         --retain-symbols-file.
3790 2009-12-30  Ian Lance Taylor  <iant@google.com>
3792         PR 10979
3793         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3794         don't put the file header and segment headers in the text
3795         segment.
3797         PR 10979
3798         * common.cc (Sort_commons::operator()): Stabilize sort when both
3799         entries are NULL.
3800         (Symbol_table::do_allocate_commons_list): When allocating common
3801         symbols, skip a symbol which is no longer common.
3802         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3803         an object before checking its type.
3804         * testsuite/common_test_2.c: New file.
3805         * testsuite/common_test_3.c: New file.
3806         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3807         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3808         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3809         (common_test_2_pic.o, common_test_2.so): New targets.
3810         (common_test_3_pic.o, common_test_3.so): New targets.
3811         * testsuite/Makefile.in: Rebuild.
3813         PR 10979
3814         * script.cc (read_input_script): If we see a new SECTIONS clause,
3815         and we have added an input section, give an error.
3816         * layout.h (class Layout): Add have_added_input_section function.
3817         Add have_added_input_section_ field.
3818         * layout.cc (Layout::Layout): Initialize
3819         have_added_input_section_.
3820         (Layout::layout): Set have_added_input_section_.
3821         (Layout::layout_eh_frame): Likewise.
3823 2009-12-30  Ian Lance Taylor  <iant@google.com>
3825         PR 10931
3826         * options.h (class General_options): Add --sort-common option.
3827         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3828         * common.cc (Sort_common): Add sort_order parameter to
3829         constructor.  Add sort_order_ field.
3830         (Sort_commons::operator): Check sort_order_.
3831         (Symbol_table::allocate_commons): Determine the sort order.
3832         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3833         Change all callers.
3834         (Symbol_table::do_allocate_commons_list): Likewise.
3836 2009-12-30  Ian Lance Taylor  <iant@google.com>
3838         PR 10916
3839         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3840         symbols from this object, don't change the visibility of an
3841         undefined symbol.
3842         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3844 2009-12-30  Ian Lance Taylor  <iant@google.com>
3846         PR 10861
3847         * script.h (class Version_script_info): Define Language enum.
3848         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3849         new fields globals_, locals_, and is_finalized_.
3850         * script.cc: Various formatting fixes.
3851         (class Parser_closure): Change language_stack_ from a vector of
3852         std::string to one of Version_script_info::Language.  Adjust all
3853         uses accordingly.
3854         (class Lazy_demangler): Remove.
3855         (struct Version_expression): Change language from std::string to
3856         Version_script_info::Language.
3857         (Version_script_info::Version_script_info): New function.
3858         (Version_script_info::~Version_script_info): Don't call clear.
3859         (Version_script_info::finalize): New function.
3860         (Version_script_info::build_lookup_tables): New function.
3861         (Version_script_info::build_expression_list_lookup): New
3862         function.
3863         (Version_script_info::get_symbol_version_helper): Rewrite to use
3864         lookup tables.
3865         (Version_script_info::print_expression_list): Adjust to use
3866         Version_script_info::Language.
3867         (script_push_lex_into_version_mode): Check that the version script
3868         has not been finalized.
3869         (version_script_push_lang): Change language string to
3870         Version_script_info::Language.
3871         * options.cc (Command_line::version_script): New function.
3872         * options.h (class General_options): Add finalize_dynamic_list
3873         function.  Change version_script from declaration to definition.
3874         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3875         * testsuite/version_script.map: Remove duplicate def of foo.
3876         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3877         version_script.map.
3878         * testsuite/Makefile.in: Rebuild.
3880 2009-12-30  Ian Lance Taylor  <iant@google.com>
3882         PR 10843
3883         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3884         if the input symbol index is 0, make the output symbol index 0.
3886 2009-12-30  Ian Lance Taylor  <iant@google.com>
3888         PR 10670
3889         * options.h (class General_options): Add -x/--discard-all.
3890         * object.cc (Sized_relobj::do_count_local_symbols): Handle
3891         --discard-all.  If the local symbol needs a dynamic entry, check
3892         that before handling --discard-locals.
3894 2009-12-30  Ian Lance Taylor  <iant@google.com>
3896         PR 10450
3897         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
3898         flags to PF_R.
3899         (Output_segment::add_output_section): Don't change the flags if
3900         the type is PT_TLS.
3902         PR 10450
3903         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
3904         GNU hash table if they need a dynamic value.  Otherwise, don't add
3905         them if they are defined in a dynamic object or are forced local.
3907 2009-12-29  Ian Lance Taylor  <iant@google.com>
3909         PR 10450
3910         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
3911         .gnu.hash table for a 32-bit target.
3913         PR 10450
3914         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
3915         regular and a dynamic object only needs a dynamic symbol table
3916         entry if it is externally visible.
3918         PR 10450
3919         * i386.cc (class Target_i386): Initialize global_offset_table_ in
3920         constructor.  Add global_offset_table_ field.
3921         (Target_i386::got_section): Set global_offset_table_.
3922         (Target_i386::do_finalize_sections): Set global_offset_table_
3923         size.
3924         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
3925         in constructor.  Add global_offset_table_ field.
3926         (Target_x86_64::got_section): Set global_offset_table_.
3927         (Target_x86_64::do_finalize_sections): Set global_offset_table_
3928         size.
3930         * layout.cc (Layout::Layout): Initialize increase_relro_.
3931         (Layout::get_output_section): Add is_relro, is_last_relro, and
3932         is_first_non_relro parameters.  Change all callers.
3933         (Layout::choose_output_section): Likewise.
3934         (Layout::add_output_section_data): Likewise.
3935         (Layout::make_output_section): Likewise.
3936         (Layout::set_segment_offsets): Clear increase_relro when using a
3937         linker script.
3938         * layout.h (class Layout): Add increase_relro method.  Add
3939         increase_relro_ field.  Update declarations.
3940         * output.cc (Output_section::Output_section): Initialize
3941         is_last_relro_ and is_first_non_relro_.
3942         (Output_segment::add_output_section): Group relro sections is
3943         do_sort is true.  Handle is_last_relro and is_first_non_relro.
3944         (Output_segment::maximum_alignment): Remove relro handling.
3945         (Output_segment::set_section_addresses): Add increase_relro
3946         parameter.  Change all callers.  Add initial alignment to align
3947         relro sections on separate page.  Remove old relro handling.
3948         (Output_segment::set_section_list_addresses): Remove in_relro
3949         parameter.  Change all callers.
3950         (Output_segment::set_offset): Add increase parameter.  Change all
3951         callers.  Remove old relro handling.
3952         * output.h (class Output_section): Add new methods: is_last_relro,
3953         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
3954         Add is_last_relro_ and is_first_non_relro_ fields.
3955         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
3956         Create separate .got.plt section.  Call increase_relro.
3957         * x86_64.cc (Target_x86_64::got_section): Likewise.
3958         * testsuite/relro_script_test.t: Add .got.plt.
3960         PR 10450
3961         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
3962         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
3963         (Layout::finalize): Call set_dynamic_symbol_size.
3964         (Layout::set_dynamic_symbol_size): New function.
3965         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
3966         set_dynamic_symbol_size.
3968         PR 10450
3969         * output.h (class Output_section): Add is_entsize_zero_ field.
3970         * output.cc (Output_section::Output_section): Initialize
3971         is_entsize_zero_.
3972         (Output_section::set_entsize): If two different entsizes are
3973         requested, force it to zero.
3974         (Output_section::add_input_section): Set flags for .debug_str
3975         before updating section flags.  Set entsize.
3976         (Output_section::update_flags_for_input_section): Set SHF_MERGE
3977         and SHF_STRING if all input sections have those flags.
3979 2009-12-29   Rafael Espindola  <espindola@google.com>
3981         * main.cc (main): Fix the sys time reporting.
3982         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
3983         reporting.
3985 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
3987         * options.cc (General_options::parse_version): Allow -v to exit
3988         without an error if there is nothing to link.
3990 2009-12-29  Ian Lance Taylor  <iant@google.com>
3992         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
3993         using a version of gcc before 4.1.
3994         * configure: Rebuild.
3996 2009-12-28  Chris Demetriou  <cgd@google.com>
3998         * attributes.cc (Output_attributes_section_data::do_write): Use
3999         std::vector::front rather than std::vector::data.
4001 2009-12-28  Ian Lance Taylor  <iant@google.com>
4003         * symtab.h (class Symbol_table): Add enum Defined.
4004         * resolve.cc (Symbol_table::should_override): Add defined
4005         parameter.  Change all callers.  Test whether object is NULL
4006         before calling a method on it.
4007         (Symbol_table::report_resolve_problem): Add defined parameter.
4008         Change all callers.
4009         (Symbol_table::should_override_with_special): Likewise.
4010         * symtab.cc (Symbol_table::define_in_output_data): Add defined
4011         parameter.  Change all callers.
4012         (Symbol_table::do_define_in_output_data): Likewise.
4013         (Symbol_table::define_in_output_segment): Likewise.
4014         (Symbol_table::do_define_in_output_segment): Likewise.
4015         (Symbol_table::define_as_constant): Likewise.
4016         (Symbol_table::do_define_as_constant): Likewise.
4017         * script.h (class Symbol_assignment): Add is_defsym parameter to
4018         constructor; change all callers.
4019         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
4020         parameter.  Change all callers.  Add is_defsym_ field.
4021         (class Parser_closure): Add parsing_defsym parameter to
4022         constructor; change all callers.  Add parsing_defsym accessor
4023         function.  Add parsing_defsym_ field.
4025 2009-12-28  Ian Lance Taylor  <iant@google.com>
4027         * gold.cc (queue_middle_tasks): Fix formatting.
4028         * object.cc (Relobj::is_section_name_included): Likewise.
4030 2009-12-23  Ian Lance Taylor  <iant@google.com>
4032         * i386.cc (Target_i386::do_calls_non_split): Recognize
4033         -fsplit-stack prologue for a function with a static chain.
4034         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
4035         -fsplit-stack prologue when using %r11.
4037 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
4039         * options.cc (General_options::parse_version): Make -v continue and do
4040         the link like GNU ld does.
4042 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
4044         * Makefile.am (CCFILES): Add timer.cc.
4045         (HFILES): Add timer.h.
4046         * configure.ac: Check for sysconf and times.
4047         * main.cc: include timer.h.
4048         (main): Use Timer instead of get_run_time.
4049         * timer.cc: New.
4050         * timer.h: New.
4051         * workqueue.cc: include timer.h.
4052         (Workqueue::find_and_run_task):
4053         Report user, sys and wall time.
4054         * Makefile.in: Regenerate.
4055         * config.in: Regenerate.
4056         * configure: Regenerate.
4058 2009-12-16  Doug Kwan  <dougkwan@google.com>
4060         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
4061         sections.
4062         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
4063         relaxed input sections.
4064         * output.cc (Output_section::find_relaxed_input_section): Change
4065         return type to Output_relaxed_input_section pointer.  Adjust code
4066         for new type of relaxed_input_section_map_.
4067         * output.h (Output_section::find_relaxed_input_section): Change
4068         return type to Output_relaxed_input_section pointer.
4069         (Output_section::Output_relaxed_input_section_by_input_section_map):
4070         New type.
4071         (Output_section::relaxed_input_section_map_): Change type to
4072         Output_section::Output_relaxed_input_section_by_input_section_map.
4073         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4074         input section.
4076 2009-12-15  Ian Lance Taylor  <iant@google.com>
4078         * layout.cc (Layout::create_shstrtab): Only write out after input
4079         sections if we are compressing debug sections.
4081 2009-12-15  Ian Lance Taylor  <iant@google.com>
4083         * archive.cc (Archive::add_symbols): Only look up a symbol without
4084         a version if there is, in fact, a version.
4086 2009-12-14  Ian Lance Taylor  <iant@google.com>
4088         Revert -Wshadow changes, all changes from:
4089         2009-12-11  Doug Kwan  <dougkwan@google.com>
4090         2009-12-11  Nick Clifton  <nickc@redhat.com>
4091         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4093 2009-12-11  Doug Kwan  <dougkwan@google.com>
4095         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4096         due to -Wshadow.
4097         * attributes.cc (Object_attribute::size): Ditto.
4098         (Attributes_section_data::size): Ditto.
4099         (Attributes_section_data::Attributes_section_data): Ditto.
4100         (Output_attributes_section_data::do_write): Ditto.
4101         * attributes.h (Object_attribute::set_type): Ditto.
4102         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4104 2009-12-11  Nick Clifton  <nickc@redhat.com>
4106         * archive.cc: Fix shadowed variable warnings.
4107         * arm.cc: Likewise.
4108         * compressed_output.cc: Likewise.
4109         * compressed_output.h: Likewise.
4110         * configure: Likewise.
4111         * dwarf_reader.cc: Likewise.
4112         * dynobj.cc: Likewise.
4113         * dynobj.h: Likewise.
4114         * ehframe.cc: Likewise.
4115         * ehframe.h: Likewise.
4116         * errors.cc: Likewise.
4117         * expression.cc: Likewise.
4118         * fileread.cc: Likewise.
4119         * fileread.h: Likewise.
4120         * freebsd.h: Likewise.
4121         * i386.cc: Likewise.
4122         * icf.cc: Likewise.
4123         * incremental.h: Likewise.
4124         * layout.cc: Likewise.
4125         * layout.h: Likewise.
4126         * mapfile.cc: Likewise.
4127         * merge.cc: Likewise.
4128         * merge.h: Likewise.
4129         * object.cc: Likewise.
4130         * object.h: Likewise.
4131         * options.h: Likewise.
4132         * output.cc: Likewise.
4133         * output.h: Likewise.
4134         * parameters.cc: Likewise.
4135         * plugin.cc: Likewise.
4136         * powerpc.cc: Likewise.
4137         * reduced_debug_output.cc: Likewise.
4138         * reduced_debug_output.h: Likewise.
4139         * reloc.cc: Likewise.
4140         * reloc.h: Likewise.
4141         * resolve.cc: Likewise.
4142         * script-sections.cc: Likewise.
4143         * script.cc: Likewise.
4144         * script.h: Likewise.
4145         * sparc.cc: Likewise.
4146         * symtab.cc: Likewise.
4147         * symtab.h: Likewise.
4148         * target-select.cc: Likewise.
4149         * target-select.h: Likewise.
4150         * token.h: Likewise.
4151         * workqueue.cc: Likewise.
4152         * workqueue.h: Likewise.
4153         * x86_64.cc: Likewise.
4155 2009-12-10  Doug Kwan  <dougkwan@google.com>
4157         * arm.cc (attributes.h): New include.
4158         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4159         (Arm_relobj::~Arm_relobj): Delete object pointed by
4160         attributes_section_data_.
4161         (Arm_relobj::attributes_section_data): New method definition.
4162         (Arm_relobj::attributes_section_data_): New data member declaration.
4163         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
4164         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
4165         attributes_section_data_.
4166         (Arm_dynobj::attributes_section_data): New method definition.
4167         (Arm_dynobj::attributes_section_data_): New data member declaration.
4168         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
4169         initialization value of may_use_blx_ to false.
4170         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
4171         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
4172         object attributes to compute results instead of hard-coding.
4173         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
4174         Target_arm::get_secondary_compatible_arch,
4175         Target_arm::set_secondary_compatible_arch
4176         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4177         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
4178         New method declarations.
4179         (Target_arm::get_aeabi_object_attribute): New method definition.
4180         (Target_arm::attributes_section_data_): New data member declaration.
4181         (read_arm_attributes_section): New template definition.
4182         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
4183         (Arm_dynobj::do_read_symbols): Ditto.
4184         (Target_arm::do_finalize_sections): Merge attributes sections from
4185         input.  Check for BLX use after attributes section merging.
4186         Fix __exidx_start and __exidx_end visibility.  Create an
4187         .ARM.attributes section if necessary.
4188         (Target_arm::get_secondary_compatible_arch,
4189         Target_arm::set_secondary_compatible_arch,
4190         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4191         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
4192         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
4193         New method definitions.
4195 2009-12-09  Ian Lance Taylor  <iant@google.com>
4197         * plugin.cc (Plugin::load): Don't cast from void* to a function
4198         pointer.
4200 2009-12-09  Ian Lance Taylor  <iant@google.com>
4202         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
4203         information fields.
4205 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
4207         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
4208         Replace two_file_shared_1.so with two_file_shared_2.so.
4209         * testsuite/Makefile.in: Regenerated.
4211 2009-12-08  Doug Kwan  <dougkwan@google.com>
4213         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
4214         (HFILES): Add attributes.h and int_encoding.h.
4215         * Makefile.in: Regenerate.
4216         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
4217         function definitions to int_encoding.cc
4218         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
4219         prototypes to int_encoding.h
4220         * reduced_debug_output.cc (int_encoding.h): New include.
4221         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
4222         function definitions to int_encoding.cc
4223         (insert_into_vector, read_from_pointer): Move template definitions to
4224         int_encoding.h
4225         * attributes.cc: New file.
4226         * attributes.h: New file.
4227         * int_encoding.cc: New file.
4228         * int_encoding.h: New file.
4230 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
4232         PR gold/11055
4233         * incremental-dump.cc (dump_incremental_inputs): New.
4234         (main): Use dump_incremental_inputs.
4236 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
4238         PR gold/10893
4239         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
4240         checking elfcpp::STT_FUNC.
4241         (Target_i386::Relocate::relocate): Likewise.
4242         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4244         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
4245         symbols from shared libraries into normal FUNC symbols.
4247         * symtab.h (Symbol): Add is_func and use it.
4249 2009-12-05  Doug Kwan  <dougkwan@google.com>
4251         * arm.cc (Target_arm::arm_info): Initialize new fields
4252         attributes_section and attributes_vendor.
4253         * i386.cc (Target_i386::i386_info): Same.
4254         * object.cc (Sized_relobj::do_layout): Skip attribute section.
4255         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
4256         fields attributes_section and attributes_vendor.
4257         * sparc.cc (Target_sparc::sparc_info): Same.
4258         * target.h (Target::attributes_section, Target::attributes_vendor,
4259         Target::is_attributes_section, Target::attribute_arg_type,
4260         Target::attributes_order): New method definitions.
4261         (Target::Target_info::attributes_section,
4262         Target::Target_info::attributes_vendor): New fields.
4263         (Target::do_attribute_arg_type, Target::do_attributes_order): New
4264         virtual method definitions.
4265         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
4266         attributes_section and attributes_vendor.
4267         * testsuite/testfile.cc (Target_test::test_target_info): Same.
4269 2009-12-05  Doug Kwan  <dougkwan@google.com>
4271         * arm.cc: Update comments about interworking and stub generation.
4272         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
4273         considered as non-PIC.
4274         (Arm_relocate_functions::base_abs): Fix formatting.
4275         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
4276         of function to use GOT entry address instead of offset.
4277         (Target_arm::Scan::global): Issue an error if a symbol would need a
4278         PLT does not get one because it is untyped.  Remove code to create
4279         dynamic symbols for relative branches.
4280         (Target_arm::Relocate::relocate: Use 0 instead of false since function
4281         takes unsigned integer instead of boolean.
4283 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
4285         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
4286         (two_file_test_LDADD): Likewise.
4287         (common_test_1_LDADD): Likewise.
4288         (exception_test_LDADD) Likewise.
4289         (weak_test_LDADD): Likewise.
4290         (many_sections_test_LDADD): Likewise.
4291         (initpri1_LDADD): Likewise.
4292         (script_test_1_LDADD): Likewise.
4293         (script_test_2_LDADD): Likewise.
4294         (justsyms_LDADD): Likewise.
4295         (binary_test_LDADD): Likewise.
4296         (large_LDADD): Likewise.
4297         * testsuite/Makefile.in: Regenerated.
4299 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
4301         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
4302         (Symbol_table::override_with_special): Likewise.
4303         (Symbol_table::add_from_object): Likewise.
4305 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4307         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4308         Don't set the data_offset twice.
4310 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4312         * testsuite/Makefile.in: Regenerate.
4314 2009-12-03  Doug Kwan  <dougkwan@google.com>
4316         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
4317         (Target_arm::do_finalize_sections): Add parameter for symbol table
4318         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
4319         * i386.cc (Target_i386::do_finalize_sections): Add an additional
4320         parameter for symbol table pointer.
4321         * layout.cc (Layout::finalize): Call Target::finalize_sections with
4322         an additional parameter for a pointer to symbol table.
4323         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
4324         parameter for a symbol table pointer.
4325         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
4326         * target.h (Target::finalize_sections, Target::do_finalize_sections):
4327         Ditto.
4328         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4329         parameter for a symbol table pointer.
4331 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4333         * incremental.cc (Incremental_inputs_header)
4334         (Incremental_inputs_header_write, Incremental_inputs_entry)
4335         (Incremental_inputs_entry_write): Move ...
4336         * incremental.h (Incremental_inputs_header)
4337         (Incremental_inputs_header_write, Incremental_inputs_entry)
4338         (Incremental_inputs_entry_write): here.
4340 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4342         * incremental.cc (make_sized_incremental_binary): Set the target.
4343         Error if it is incompatible.
4344         * output.h (Output_file): Add filename method.
4346 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4348         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4349         from the get_* methods.
4351 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4353         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4354         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4355         Write 0 for the data_offset of scripts.
4357 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4359         * testsuite/Makefile.am: Add the incremental_test.sh test.
4360         * testsuite/incremental_test.sh: New.
4361         * testsuite/incremental_test_1.c: New.
4362         * testsuite/incremental_test_2.c: New.
4364 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4366        * incremental-dump.cc (main): Fix typos.
4368 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4370         PR gold/11025
4371         * incremental-dump.cc (main): Use llu to print 64 bit values.
4373 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
4374             H.J. Lu  <hongjiu.lu@intel.com>
4376         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4377         $(LIBDL).
4378         (incremental_dump_LDADD): Likewise.
4379         * Makefile.in: Regenerated.
4381 2009-11-25  Doug Kwan  <dougkwan@google.com>
4383         Revert:
4385         2009-11-25  Doug Kwan  <dougkwan@google.com>
4387                 * arm.cc (Target_arm::Target_arm): Move method definition
4388                 outside of class definition.  Add code to handle
4389                 --target1-rel, --target1-abs and --target2= options.
4390                 (Target_arm::get_reloc_reloc_type): Change method to be
4391                 non-static and const.
4392                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4393                 New data member declaration.
4394                 (Target_arm::Scan::local, Target_arm::Scan::global,
4395                 Target_arm::Relocate::relocate,
4396                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4397                 Adjust call to Target_arm::get_real_reloc_type.
4398                 (Target_arm::get_real_reloc_type): Use command line options
4399                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4400                 * options.h (--target1-rel, --target1-abs, --target2): New
4401                 ARM-only options.
4403 2009-11-25  Doug Kwan  <dougkwan@google.com>
4405         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4406         class definition.  Add code to handle --target1-rel, --target1-abs
4407         and --target2= options.
4408         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4409         and const.
4410         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4411         member declaration.
4412         (Target_arm::Scan::local, Target_arm::Scan::global,
4413         Target_arm::Relocate::relocate,
4414         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4415         call to Target_arm::get_real_reloc_type.
4416         (Target_arm::get_real_reloc_type): Use command line options to
4417         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4418         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4419         options.
4421 2009-11-25  Doug Kwan  <dougkwan@google.com>
4423         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4424         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4425         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4426         formatting.
4427         (Arm_relocate_functions::thm_call): Replace body with a call to
4428         Arm_relocate_functions::thumb_branch_common.
4429         (Arm_relocate_functions::thm_jump24,
4430         Arm_relocate_functions::thm_xpc22): New method definitions.
4431         (Arm_relocate_functions::thumb_branch_common): New method definition.
4432         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4433         operator.
4434         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4435         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4437 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4439         * Makefile.am: Build incremental-dump
4440         * Makefile.in: Regenerate.
4441         * incremental-dump.cc: New.
4442         * incremental.cc (Incremental_inputs_header_data,
4443         Incremental_inputs_entry_data): Move to incremental.h
4444         * incremental.h: (Incremental_inputs_header_data,
4445         Incremental_inputs_entry_data): Move from incremental.cc
4447 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4449         * incremental.cc (Incremental_inputs_header,
4450         Incremental_inputs_header_write, Incremental_inputs_entry,
4451         Incremental_inputs_entry_write): Add a typedef with the data type.
4453 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4455         * incremental.cc (Incremental_inputs_header,
4456         Incremental_inputs_header_write, Incremental_inputs_entry,
4457         Incremental_inputs_entry_write): Update comment about which
4458         type has the filed descriptions.
4460 2009-11-15  Doug Kwan  <dougkwan@google.com>
4462         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4463         (Arm_relocate_functions::arm_branch_common): Change method defintion
4464         in class definition to a method declaration and update list of formal
4465         parameters.
4466         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4467         Arm_relocation_functions::jump24): Adjust call to
4468         Arm_relocate_functions::arm_branch_common.  Update list of formal
4469         parameters.
4470         (Arm_relocate_functions::xpc25): New method definition.
4471         (Arm_relocate_functions::arm_branch_common): Move method defintion
4472         out from class definition.  Use stubs for mode-switching and extending
4473         branch ranges.
4474         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4475         specially.  Change code to enable use of stubs in ARM branches.
4477 2009-11-10  Doug Kwan  <dougkwan@google.com>
4479         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4480         in method declaration.
4481         (Target_arm::relocate_stub): New method declaration.
4482         (Target_arm::default_target): Change to return a pointer instead of
4483         a const reference.
4484         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4485         Target_arm::default_target.
4486         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4487         method definition.
4488         (Target_arm::relocate_section): Adjust view.
4489         (Target_arm::relocate_stub): New method definition.
4491 2009-11-10  Doug Kwan  <dougkwan@google.com>
4493         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4494         a format warning.
4495         * incremental.cc (open_incremental_binary): Initialized local
4496         variables to avoid warnings.
4497         * object.cc (make_elf_object): Ditto.
4498         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4499         a format warning.
4501 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4503         PR gold/10930
4504         * testsuite/plugin_test.c: Include "config.h".
4506 2009-11-09  Doug Kwan  <dougkwan@google.com>
4508         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4509         (arm_symbol_value): Remove.
4510         (Arm_relocate_functions::arm_branch_common,
4511         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4512         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4513         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4514         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4515         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4516         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4517         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4518         Arm_relocate_functions::thm_mobw_abs_nc,
4519         Arm_relocate_functions::thm_mov_abs,
4520         Arm_relocate_functions::movw_prel_nc,
4521         Arm_relocate_functions::thm_movt_abs,
4522         Arm_relocate_functions::movt_prel,
4523         Arm_relocate_functions::thm_movw_prel_nc,
4524         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4525         (Target_arm::Relocate::relocate): Only decompose address into two
4526         parts if relocation type uses the thumb-bit and pass the actual
4527         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4528         calls to methods in Arm_relocate_functions for this change.
4530 2009-11-08  Ian Lance Taylor  <iant@google.com>
4532         PR 10925
4533         * reloc.cc: Instantiate
4534         Sized_relobj::initialize_input_to_output_maps and
4535         Sized_relobj:free_input_to_output_maps.
4537 2009-11-06  Ian Lance Taylor  <iant@google.com>
4539         PR 10876
4540         * defstd.cc (in_segment): Set only_if_ref true for "end".
4542 2009-11-06  Doug Kwan  <dougkwan@google.com>
4544         * arm.cc (class Reloc_stub): Correct a comment.
4545         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4546         (Target_arm::scan_section_for_stubs): New method declaration.
4547         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4548         Change methods from private to protected.
4549         (Target_arm::do_may_relax): New method definition.
4550         (Target_arm::do_relax, Target_arm::group_sections,
4551         Target_arm::scan_reloc_for_stub,
4552         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4553         (Target_arm::arm_input_section_map_): New data member declaration.
4554         (Target_arm::scan_reloc_for_stub,
4555         Target_arm::scan_reloc_section_for_stubs,
4556         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4557         Target_arm::do_relax): New method definitions.
4559 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4561         * configure.ac: Check for (struct stat)::st_mtim
4562         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4563         * config.in: Regenerate.
4564         * configure: Regenerate.
4566 2009-11-05  Ian Lance Taylor  <iant@google.com>
4568         PR 10910
4569         * output.cc (Output_segment::add_output_section): Add missing
4570         return statement.
4572 2009-11-04  Ian Lance Taylor  <iant@google.com>
4574         PR 10880
4575         * object.h (class Object): Add is_needed and set_is_needed
4576         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4577         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4578         defined in a dynamic object and referenced by a regular object,
4579         set is_needed for the dynamic object.
4580         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4581         if the file is marked with as_needed and it is not needed.
4583 2009-11-04  Ian Lance Taylor  <iant@google.com>
4585         PR 10887
4586         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4587         tags if data is discarded by linker script.
4588         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4589         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4590         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4591         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4593 2009-11-04  Ian Lance Taylor  <iant@google.com>
4595         * layout.cc (Layout::get_output_section): Add is_interp and
4596         is_dynamic_linker_section parameters.  Change all callers.
4597         (Layout::choose_output_section): Likewise.
4598         (Layout::make_output_section): Likewise.
4599         (Layout::add_output_section_data): Add is_dynamic_linker_section
4600         parameter.  Change all callers.
4601         * layout.h (class Layout): Update declarations.
4602         * output.h (class Output_section): Add is_interp, set_is_interp,
4603         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4604         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4605         generate_code_fills_at_write_ to a bitfield.
4606         * output.cc (Output_section::Output_sections): Initialize new
4607         fields.
4608         (Output_segment::add_output_section): Add do_sort parameter.
4609         Change all callers.
4611 2009-11-03  Ian Lance Taylor  <iant@google.com>
4613         PR 10860
4614         * options.h (class General_options): Add --warn-common.
4615         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4616         merging two common symbols.
4617         (Symbol_table::should_override): Handle --warn-common when merging
4618         a common symbol with a defined symbol.  Use report_resolve_problem
4619         for multiple definitions.
4620         (Symbol_table::report_resolve_problem): New function.
4621         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4623 2009-11-03  Doug Kwan  <dougkwan@google.com>
4625         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4626         stub_factory_.
4627         (Target_arm::stub_factory): New method definition.
4628         (Target_arm::new_arm_input_section,
4629         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4630         Target_arm::reloc_uses_thumb_bit): New method declarations.
4631         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4632         New type definitions.
4633         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4634         member declarations.
4635         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4636         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4637         New method definitions.
4639 2009-11-03  Ian Lance Taylor  <iant@google.com>
4641         * options.h (class General_options): Add --warn_constructors.
4643 2009-11-03  Ian Lance Taylor  <iant@google.com>
4645         PR 10893
4646         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4647         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4649 2009-11-03  Ian Lance Taylor  <iant@google.com>
4651         PR 10895
4652         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4653         --msgid-bugs-address.
4654         (install-pdf): New target.
4655         (install-data_yes): Look up one directory to find mkinstalldirs.
4657 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4659         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4660         tree.
4662 2009-10-30  Doug Kwan  <dougkwan@google.com>
4664         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4666 2009-10-30  Doug Kwan  <dougkwan@google.com>
4668         * arm.cc (Stub_addend_reader): New struct template definition
4669         and partial specializations.
4670         (Stub_addend_reader::operator()): New method definition for a
4671         partially specialized template.
4673 2009-10-30  Doug Kwan  <dougkwan@google.com>
4675         * arm.cc (Arm_relobj::processor_specific_flags): New method
4676         definition.
4677         (Arm_relobj::do_read_symbols): New method declaration.
4678         (Arm_relobj::processor_specific_flags_): New data member declaration.
4679         (Arm_dynobj): New class definition.
4680         (Target_arm::do_finalize_sections): Add input_objects parameter.
4681         (Target_arm::do_adjust_elf_header): New method declaration.
4682         (Target_arm::are_eabi_versions_compatible,
4683         (Target_arm::merge_processor_specific_flags): New method declaration.
4684         (Target_arm::do_make_elf_object): New overloaded method definitions
4685         and declaration.
4686         (Arm_relobj::do_read_symbols): New method definition.
4687         (Arm_dynobj::do_read_symbols): Ditto.
4688         (Target_arm::do_finalize_sections): Add input_objects parameters.
4689         Merge processor-specific flags from all input objects.
4690         (Target_arm::are_eabi_versions_compatible,
4691         Target_arm::merge_processor_specific_flags,
4692         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4693         New method definitions.
4694         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4695         Input_objects pointer type parameter.
4696         * layout.cc (Layout::finalize): Pass input objects to target's.
4697         finalize_sections function.
4698         * output.cc (Output_file_header::do_sized_write): Set ELF file
4699         header's processor-specific flags.
4700         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4701         Input_objects pointer type parameter.
4702         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4703         * target.h (Input_objects): New forward class declaration.
4704         (Target::processor_specific_flags,
4705         Target::are_processor_specific_flags_sect): New method definitions.
4706         (Target::finalize_sections): Add input_objects parameter.
4707         (Target::Target): Initialize processor_specific_flags_ and
4708         are_processor_specific_flags_set_.
4709         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4710         parameter.
4711         (Target::set_processor_specific_flags): New method definition.
4712         (Target::processor_specific_flags_,
4713         Target::are_processor_specific_flags_set_): New data member
4714         declarations.
4715         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4716         Input_objects pointer type parameter.
4718 2009-10-30  Doug Kwan  <dougkwan@google.com>
4720         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4722 2009-10-28  Ian Lance Taylor  <iant@google.com>
4724         * object.h (class Relobj): Drop options parameter from
4725         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4726         do_scan_relocs, do_relocate.  Change all callers.
4727         (class Sized_relobj): Drop options parameters from
4728         do_gc_process_relocs, do_scan_relocs, do_relocate,
4729         do_relocate_sections, relocate_sections, emit_relocs_scan,
4730         emit_relocs_scan_reltype.  Change all callers.
4731         (struct Relocate_info): Remove options field and all references to
4732         it.
4733         * reloc.h (class Read_relocs): Remove options constructor
4734         parameter and options_ field.  Change all callers.
4735         (class Gc_process_relocs, class Scan_relocs): Likewise.
4736         (class Relocate_task): Likewise.
4737         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4738         all callers.
4739         (scan_relocatable_relocs): Likewise.
4740         * target.h (class Sized_target): Remove options parameter from
4741         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4742         all callers.
4743         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4744         callers.
4745         * arm.cc: Update functions to remove options parameters.
4746         * i386.cc: Likewise.
4747         * powerpc.cc: Likewise.
4748         * sparc.cc: Likewise.
4749         * x86_64.cc: Likewise.
4750         * testsuite/testfile.cc: Likewise.
4752 2009-10-28  Doug Kwan  <dougkwan@google.com>
4754         * arm.cc (Arm_relobj): New class definition.
4755         (Arm_relobj::scan_sections_for_stubs,
4756         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4757         New method definitions.
4759 2009-10-28  Cary Coutant  <ccoutant@google.com>
4761         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4762         (Plugin::cleanup_done_): New member.
4763         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4764         (Plugin_manager::cleanup_done_): Remove.
4765         (Plugin_manager::add_input_file): Edit error message.
4766         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4767         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4769 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4771         * fileread.cc: (File_read::View::~View): Use the new
4772         data_ownership_ filed.
4773         (File_read::~File_read): Dispose the new whole_file_view_.
4774         (File_read::open): Mmap the whole file if needed.
4775         (File_read::open): Use whole_file_view_ instead of contents_.
4776         (File_read::find_view): Use whole_file_view_ if applicable.
4777         (File_read::do_read): Use whole_file_view_ instead of contents_.
4778         (File_read::make_view): Use whole_file_view_ instead of contents_,
4779         update File_read::View::View call.
4780         (File_read::find_or_make_view): Update File_read::View::View
4781         call.
4782         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4783         remove contents_
4784         (File_read::View::Data_ownership): New enum.
4785         (File_read::View::View): Replace bool mapped_ with Data_ownership
4786         argument.
4787         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4788         (File_read::View::data_ownership_): New field.
4789         (File_read::contents_): Remove (replaced by whole_file_view_).
4790         (File_read::whole_file_view_): New field.
4791         * options.h (class General_options): Add --keep-files-mapped.
4793 2009-10-27  Cary Coutant  <ccoutant@google.com>
4795         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4796         * testsuite/Makefile.am (plugin_test_5): New test case.
4797         * testsuite/Makefile.in: Regenerate.
4799 2009-10-25  Doug Kwan  <dougkwan@google.com>
4801         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4802         from private to protected to allow access by child class.
4803         (Sized_relobj::do_relocate_sections): New method declaration.
4804         (Sized_relobj::relocate_sections): Virtualize.
4805         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4806         Sized_relobj::relocate_sections.  Instantiate template explicitly
4807         for different target sizes and endianity.
4809 2009-10-24  Doug Kwan  <dougkwan@google.com>
4811         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4812         (Arm_input_section::as_arm_input_section): New method.
4813         (Arm_output_section): New class definition.
4814         (Arm_output_section::create_stub_group,
4815         Arm_output_section::group_sections): New method definitions.
4817 2009-10-22  Doug Kwan  <dougkwan@google.com>
4819         * arm.cc (Arm_input_section): New class definition.
4820         (Arm_input_section::init, Arm_input_section:do_write,
4821         Arm_input_section::set_final_data_size,
4822         Arm_input_section::do_reset_address_and_file_offset): New method
4823         definitions.
4825 2009-10-21  Doug Kwan  <dougkwan@google.com>
4827         * arm.cc (Stub_table, Arm_input_section): New forward class
4828         declarations.
4829         (Stub_table): New class defintion.
4830         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4831         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4832         New method definition.
4834 2009-10-21  Doug Kwan  <dougkwan@google.com>
4836         * arm.cc: Update copyright comments.
4837         (Target_arm): New forward class template declaration.
4838         (Arm_address): New type.
4839         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4840         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4841         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4842         constants.
4843         (Insn_template): Same.
4844         (DEF_STUBS): New macro.
4845         (Stub_type): New enum type.
4846         (Stub_template): New class definition.
4847         (Stub): Same.
4848         (Reloc_stub): Same.
4849         (Stub_factory): Same.
4850         (Target_arm::Target_arm): Initialize may_use_blx_ and
4851         should_force_pic_veneer_.
4852         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4853         Target_arm::should_force_pic_veneer,
4854         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4855         Target_arm::using_thumb_only, Target_arm:;default_target): New
4856         method defintions.
4857         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4858         New data member declarations.
4859         (Insn_template::size, Insn_template::alignment): New method defintions.
4860         (Stub_template::Stub_template): New method definition.
4861         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4862         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4863         (Stub_factory::Stub_factory): New method definition.
4864         * gold.h (string_hash): New template.
4865         * output.h (Input_section_specifier::hash_value): Use
4866         gold::string_hash.
4867         (Input_section_specifier::string_hash): Remove.
4868         * stringpool.cc (Stringpool_template::string_hash): Use
4869         gold::string_hash.
4871 2009-10-20  Doug Kwan  <dougkwan@google.com>
4873         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4874         symbols of relaxed input sections.
4875         * output.h (Output_section::find_relaxed_input_section): Make
4876         method public.
4878 2009-10-16  Doug Kwan  <dougkwan@google.com>
4880         * dynobj.cc (Versions::Versions): Initialize version_script_.
4881         Only insert base version symbol definition for a shared object
4882         if version script defines any version versions.
4883         (Versions::define_base_version): New method definition.
4884         (Versions::add_def): Check that base version is not needed.
4885         (Versions::add_need): Define base version lazily.
4886         * dynobj.h (Versions::define_base_version): New method declaration.
4887         (Versions::needs_base_version_): New data member declaration.
4888         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
4889         (check_DATA): Add no_version_test.stdout.
4890         (libno_version_test.so, no_version_test.o no_version_test.stdout):
4891         New make rules.
4892         * testsuite/Makefile.in: Regenerate.
4893         * testsuite/no_version_test.c: New file.
4894         * testsuite/no_version_test.sh: Ditto.
4896 2009-10-16  Doug Kwan  <dougkwan@google.com>
4898         * expression.cc (class Segment_start_expression): New class definition.
4899         (Segment_start_expression::value): New method definition.
4900         (script_exp_function_segment_start): Return a new
4901         Segment_start_expression.
4902         * gold/script-c.h (script_saw_segment_start_expression): New function
4903         prototype.
4904         * script-sections.cc (Script_sections::Script_sections): Initialize
4905         SAW_SEGMENT_START_EXPRESSION_ to false.
4906         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
4907         and -Tbbs options to specify section addresses if given in
4908         command line and no SEGMENT_START expression is seen in a script.
4909         * script-sections.h (Script_sections::saw_segment_start_expression,
4910         Script_sections::set_saw_segment_start_expression): New method
4911         definition.
4912         (Script_sections::saw_segment_start_expression_): New data member
4913         declaration.
4914         * script.cc (script_saw_segment_start_expression): New function.
4915         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
4916         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
4917         script_test_7.sh and script_test_8.sh.
4918         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
4919         script_test_8.stdout.
4920         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
4921         (script_test_6, script_test_6.stdout, script_test_7,
4922         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
4923         * Makefile.in: Regenerate.
4924         * testsuite/script_test_6.sh: New file.
4925         * testsuite/script_test_6.t: Same.
4926         * testsuite/script_test_7.sh: Same.
4927         * testsuite/script_test_7.t: Same.
4928         * testsuite/script_test_8.sh: Same.
4930 2009-10-16  Doug Kwan  <dougkwan@google.com>
4932         * output.cc (Output_segment::set_section_list_address): Cast
4933         expressions to unsigned long long type to avoid format warnings.
4935 2009-10-15  Ian Lance Taylor  <iant@google.com>
4937         * script.cc (Script_options::add_symbol_assignment): Always add a
4938         dot assignment to script_sections_.
4939         * script-sections.cc (Script_sections::add_dot_assignment):
4940         Initialize if necessary.
4942         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
4943         program headers with no load segment if there is a linker script.
4945         * layout.cc (Layout::set_segment_offsets): Align the file offset
4946         to the segment aligment for -N or -n with no load segment.
4947         * output.cc (Output_segment::add_output_section): Don't crash if
4948         the first section is a TLS section.
4949         (Output_segment::set_section_list_addresses): Print an error
4950         message if the address moves backward in a linker script.
4951         * script-sections.cc
4952         (Output_section_element_input::set_section_addresses): Don't
4953         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
4954         (Orphan_output_section::set_section_addresses): Likewise.
4956 2009-10-15  Doug Kwan  <dougkwan@google.com>
4958         * layout.cc (Layout::finish_dynamic_section): Generate tags
4959         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
4960         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
4961         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
4963 2009-10-14  Ian Lance Taylor  <iant@google.com>
4965         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
4966         fields.
4967         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
4968         data_shdr fields of relinfo.
4969         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
4970         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
4971         R_386_TLS_LDO_32, adjust based on section flags.
4972         (Target_i386::Relocate::fix_up_ldo): Remove.
4974 2009-10-13  Ian Lance Taylor  <iant@google.com>
4976         Add support for -pie.
4977         * options.h (class General_options): Add -pie and
4978         --pic-executable.
4979         (General_options::output_is_position_independent): Test -pie.
4980         (General_options::output_is_executable): Return true if not shared
4981         and not relocatable.
4982         (General_options::output_is_pie): Remove.
4983         * options.cc (General_options::finalize): Reject incompatible uses
4984         of -pie.
4985         * gold.cc (queue_middle_tasks): A -pie link is not static.
4986         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
4987         * symtab.cc (Symbol::final_value_is_known): Return false if
4988         output_is_position_independent.
4989         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
4990         output_is_position_independent.
4991         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
4992         output_is_position_independent.
4993         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
4994         output_is_position_independent.
4995         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
4996         two_file_pie_test.
4997         (basic_pie_test.o, basic_pie_test): New targets.
4998         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
4999         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
5000         (two_file_pie_test): New target.
5001         * testsuite/Makefile.in: Rebuild.
5002         * README: Remove note saying that -pie is not supported.
5004 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5006         * options.h (class General_options): Add -init and -fini.
5007         * layout.cc (Layout::finish_dynamic_section): Emit
5008         given init and fini functions.
5010 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
5012         * gc.h (gc_process_relocs): Check if icf is enabled using new
5013         function.
5014         * gold.cc (queue_initial_tasks): Likewise.
5015         (queue_middle_tasks): Likewise.
5016         * object.cc (do_layout): Likewise.
5017         * symtab.cc (is_section_folded): Likewise.
5018         * main.cc (main): Likewise.
5019         * reloc.cc (Read_relocs::run): Likewise.
5020         (Sized_relobj::do_scan_relocs): Likewise.
5021         * icf.cc (is_function_ctor_or_dtor): New function.
5022         (Icf::find_identical_sections): Check if function is ctor or dtor when
5023         safe icf is chosen.
5024         * options.h (General_options::icf): Change option to be an enum.
5025         (Icf_status): New enum.
5026         (icf_enabled): New method.
5027         (icf_safe_folding): New method.
5028         (set_icf_status): New method.
5029         (icf_status_): New variable.
5030         * (options.cc) (General_options::finalize): Set icf_status_.
5031         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
5032         icf_test and icf_keep_unique_test to use the --icf enum flag.
5033         * testsuite/icf_safe_test.sh: New file.
5034         * testsuite/icf_safe_test.cc: New file.
5036 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
5038         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
5039         includes to gc.h and icf.h.
5040         * arm.cc: Include gc.h.
5041         * gold.cc: Likewise.
5042         * i386.cc: Likewise.
5043         * powerpc.cc: Likewise.
5044         * sparc.cc: Likewise.
5045         * x86_64.cc: Likewise.
5046         * gc.h: Include icf.h.
5048 2009-10-11  Ian Lance Taylor  <iant@google.com>
5050         * plugin.cc: Include "gold.h" before other header files.
5052 2009-10-10  Chris Demetriou  <cgd@google.com>
5054         * options.h (Input_file_argument::Input_file_type): New enum.
5055         (Input_file_argument::is_lib_): Replace with...
5056         (Input_file_argument::type_): New member.
5057         (Input_file_argument::Input_file_argument): Take Input_file_type
5058         'type' rather than boolean 'is_lib' as second argument.
5059         (Input_file_argument::is_lib): Use type_.
5060         (Input_file_argument::is_searched_file): New function.
5061         (Input_file_argument::may_need_search): Handle is_searched_file.
5062         * options.cc (General_options::parse_library): Support -l:filename.
5063         (General_options::parse_just_symbols): Update for Input_file_argument
5064         changes.
5065         (Command_line::process): Likewise.
5066         * archive.cc (Archive::get_file_and_offset): Likewise.
5067         * plugin.cc (Plugin_manager::release_input_file): Likewise.
5068         * script.cc (read_script_file, script_add_file): Likewise.
5069         * fileread.cc (Input_file::Input_file): Likewise.
5070         (Input_file::will_search_for): Handle is_searched_file.
5071         (Input_file::open): Likewise.
5072         * readsyms.cc (Read_symbols::get_name): Likewise.
5073         * testsuite/Makefile.am (searched_file_test): New test.
5074         * testsuite/Makefile.in: Regenerate.
5075         * testsuite/searched_file_test.cc: New file.
5076         * testsuite/searched_file_test_lib.cc: New file.
5078 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5079             Ian Lance Taylor  <iant@google.com>
5081         * descriptor.cc: Include <cstdio> and "binary-io.h".
5082         (Descriptors::open): Open the files in binary mode always.
5083         * script.cc (Lex::get_token): Treat \r as whitespace.
5085 2009-10-09  Ian Lance Taylor  <iant@google.com>
5087         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5089 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5090             Ian Lance Taylor  <iant@google.com>
5092         * configure.ac: Check for readv function also.
5093         * fileread.cc (readv): Define if not HAVE_READV.
5094         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5095         does not exist.
5096         * config.in: Regenerate.
5097         * configure: Regenerate.
5099 2009-10-09  Doug Kwan  <dougkwan@google.com>
5101         * layout.cc (Layout::make_output_section): Call target hook to make
5102         ordinary output section.
5103         (Layout::finalize): Adjust parameter list of call the
5104         Target::may_relax().
5105         * layout.h (class Layout::section_list): New method.
5106         * merge.h (Output_merge_base::entsize): Change visibility to public.
5107         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5108         New methods.
5109         (Output_merge_string::do_is_string): New method.
5110         * object.cc (Sized_relobj::do_setup): renamed from
5111         Sized_relobj::set_up.
5112         * object.h (Sized_relobj::adjust_shndx,
5113         Sized_relobj::initializ_input_to_output_maps,
5114         Sized_relobj::free_input_to_output_maps): Change visibilities to
5115         protected.
5116         (Sized_relobj::setup): Virtualize.
5117         (Sized_relobj::do_setup): New method declaration.
5118         (Sized_relobj::invalidate_section_offset,
5119         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5120         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5121         * options.cc (parse_int): New function.
5122         * options.h (parse_int): New declaration.
5123         (DEFINE_int): New macro.
5124         (stub_group_size): New option.
5125         * output.cc (Output_section::Output_section): Initialize memebers
5126         merge_section_map_, merge_section_by_properties_map_,
5127         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5128         (Output_section::add_input_section): Handled deferred code-fill
5129         generation and remove an old comment.
5130         (Output_section::add_relaxed_input_section): New method definition.
5131         (Output_section::add_merge_input_section): Use merge section by
5132         properties map to speed to search.  Update merge section maps
5133         as appropriate.
5134         (Output_section::build_relaxation_map): New method definition.
5135         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5136         Same.
5137         (Output_section::relax_input_section): Renamed to
5138         Output_section::convert_input_sections_to_relaxed_sections and change
5139         interface to take a vector of pointers to relaxed sections.
5140         (Output_section::find_merge_section,
5141         Output_section::find_relaxed_input_section): New method definitions.
5142         (Output_section::is_input_address_mapped,
5143         Output_section::output_offset, Output_section::output_address):
5144         Use output section data maps to speed up searching.
5145         (Output_section::find_starting_output_address): Add comments.
5146         (Output_section::do_write,
5147         Output_section::write_to_postprocessing_buffer): Do code-fill
5148         generation as appropriate.
5149         (Output_section::get_input_sections): Invalidate relaxed input section
5150         map.
5151         (Output_section::restore_states): Adjust type of checkpoint .
5152         Invalidate relaxed input section map.
5153         * output.h (Output_merge_base): New class declaration.
5154         (Input_section_specifier): New class defintion.
5155         (class Output_relaxed_input_section) Change base class to
5156         Output_section_data_build.
5157         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5158         base class initializer.
5159         (Output_section::add_relaxed_input_section): New method declaration.
5160         (Output_section::Input_section): Change visibility to protected.
5161         (Output_section::Input_section::relobj,
5162         Output_section::Input_section::shndx): Handle relaxed input sections.
5163         Output_section::input_sections) Change visibility to protected.  Also
5164         define overload to return a non-const pointer.
5165         (Output_section::Merge_section_properties): New class defintion.
5166         (Output_section::Merge_section_by_properties_map,
5167         Output_section::Output_section_data_by_input_section_map,
5168         Output_section::Relaxation_map): New types.
5169         (Output_section::relax_input_section): Rename method to
5170         Output_section::convert_input_sections_to_relaxed_sections and change
5171         interface to take a vector of relaxed section pointers.
5172         (Output_section::find_merge_section,
5173         Output_section::find_relaxed_input_section,
5174         Output_section::build_relaxation_map,
5175         Output_section::convert_input_sections_in_list_to_relaxed_sections):
5176         New method declarations.
5177         (Output_section::merge_section_map_
5178         Output_section::merge_section_by_properties_map_,
5179         Output_section::relaxed_input_section_map_,
5180         Output_section::is_relaxed_input_section_map_valid_,
5181         Output_section::generate_code_fills_at_write_): New data members.
5182         * script-sections.cc
5183         (Output_section_element_input::set_section_addresses): Call
5184         current_data_size and addralign methods of relaxed input sections.
5185         (Orphan_output_section::set_section_addresses): Call current_data_size
5186         and addralign methods of relaxed input sections.
5187         * symtab.cc (Symbol_table::compute_final_value): Extract template
5188         from the body of Symbol_table::sized_finalize_symbol.
5189         (Symbol_table::sized_finalized_symbol): Call
5190         Symbol_table::compute_final_value.
5191         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
5192         (Symbol_table::compute_final_value): New templated method declaration.
5193         * target.cc (Target::do_make_output_section): New method defintion.
5194         * target.h (Target::make_output_section): New method declaration.
5195         (Target::relax): Add more parameters for input objects, symbol table
5196         and layout.  Adjust call to do_relax.
5197         (Target::do_make_output_section): New method declaration.
5198         (Target::do_relax): Add parameters for input objects, symbol table
5199         and layout.
5201 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5203         * pread.c: Include stdio.h.
5205 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5207         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
5208         defined.
5210 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5212         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5213         Change read_shndx type to unsigned int.
5214         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5215         int.
5216         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5217         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
5218         Change read_shndx type to unsigned int.
5219         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5220         int.
5221         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5222         * layout.cc (Layout::create_symtab_sections): Cast the result of
5223         local_symcount * symsize to off_t in the gold_assert.
5225 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5227         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
5228         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
5229         R_ARM_BASE_ABS.
5230         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
5231         (Arm_relocate_functions::thm_abs5): New function.
5232         (Arm_relocate_functions::abs12): New function.
5233         (Arm_relocate_functions::abs16): New function.
5234         (Arm_relocate_functions::base_abs): New function.
5235         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
5236         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
5237         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
5238         R_ARM_BASE_ABS.
5239         (Scan::global): Likewise.
5240         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
5241         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
5242         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
5243         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
5244         R_ARM_BASE_ABS.
5246 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5248         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
5249         (Arm_relocate_functions::movt_prel): New function.
5250         (Arm_relocate_functions::thm_movw_prel_nc): New function.
5251         (Arm_relocate_functions::thm_movt_prel): New function.
5252         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
5253         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
5254         (Scan::global, Relocate::relocate): Likewise.
5255         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5257 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5259         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
5260         Incremental_checker.
5261         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
5262         unsigned int.
5263         (class Incremental_inputs_header): New class.
5264         (Incremental_inputs_header_writer): Edit comment.
5265         (Incremental_inputs_entry): New class.
5266         (Incremental_inputs_entry_writer): Edit comment.
5267         (Sized_incremental_binary::do_find_incremental_inputs_section):
5268         Add *strtab_shndx parameter, fill it.
5269         (Sized_incremental_binary::do_check_inputs): New method.
5270         (Incremental_checker::can_incrementally_link_output_file): Use
5271         Sized_incremental_binary::check_inputs.
5272         (Incremental_inputs::report_command_line): Save command line in
5273         command_line_.
5274         * incremental.h:
5275         (Incremental_binary::find_incremental_inputs_section): New
5276         method.
5277         (Incremental_binary::do_find_incremental_inputs_section): Add
5278         strtab_shndx parameter.
5279         (Incremental_binary::do_check_inputs): New pure virtual method.
5280         (Sized_incremental_binary::do_check_inputs): Declare.
5281         (Incremental_checker::Incremental_checker): Add incremental_inputs
5282         parameter, use it to initialize incremental_inputs_.
5283         (Incremental_checker::incremental_inputs_): New field.
5284         (Incremental_checker::command_line): New method.
5285         (Incremental_checker::inputs): New method.
5286         (Incremental_checker::command_line_): New field.
5288 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5290         * incremental.cc: Include <cstdarg> and "target-select.h".
5291         (vexplain_no_incremental): New function.
5292         (explain_no_incremental): New function.
5293         (Incremental_binary::error): New method.
5294         (Sized_incremental_binary::do_find_incremental_inputs_section): New
5295         method.
5296         (make_sized_incremental_binary): New function.
5297         (open_incremental_binary): New function.
5298         (can_incrementally_link_file): Add checks if output is ELF and has
5299         inputs section.
5300         * incremental.h: Include "elfcpp_file.h" and "output.h".
5301         (Incremental_binary): New class.
5302         (Sized_incremental_binary): New class.
5303         (open_incremental_binary): Declare.
5304         * object.cc (is_elf_object): Use
5305         elfcpp::Elf_recognizer::is_elf_file.
5306         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
5307         * output.h (Output_file::filesize): New method.
5309 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5311         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
5312         New function.
5313         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
5314         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
5315         function.
5316         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
5317         function.
5318         (Arm_relocate_functions::movw_abs_nc): New function.
5319         (Arm_relocate_functions::movt_abs): New function.
5320         (Arm_relocate_functions::thm_movw_abs_nc): New function.
5321         (Arm_relocate_functions::thm_movt_abs): New function.
5322         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
5323         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
5324         (Scan::global): Likewise.
5325         (Relocate::relocate): Likewise.
5326         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5328 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5330         * arm.cc (Arm_relocate_functions::got_prel) New function.
5331         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5332         (Relocate::relocate): Likewise.
5333         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5335 2009-10-06  Ian Lance Taylor  <iant@google.com>
5337         * options.h (class General_options): Define
5338         split_stack_adjust_size parameter.
5339         * object.h (class Object): Add uses_split_stack_ and
5340         has_no_split_stack_ fields.  Add uses_split_stack and
5341         has_no_split_stack accessor functions.  Declare
5342         handle_split_stack_section.
5343         (class Reloc_symbol_changes): Define.
5344         (class Sized_relobj): Define Function_offsets.  Declare
5345         split_stack_adjust, split_stack_adjust_reltype, and
5346         find_functions.
5347         * object.cc (Object::handle_split_stack_section): New function.
5348         (Sized_relobj::do_layout): Call handle_split_stack_section.
5349         * dynobj.cc (Sized_dynobj::do_layout): Call
5350         handle_split_stack_section.
5351         * reloc.cc (Sized_relobj::relocate_sections): Call
5352         split_stack_adjust for executable sections in split_stack
5353         objects.  Pass reloc_map to relocate_section.
5354         (Sized_relobj::split_stack_adjust): New function.
5355         (Sized_relobj::split_stack_adjust_reltype): New function.
5356         (Sized_relobj::find_functions): New function.
5357         * target-reloc.h: Include "object.h".
5358         (relocate_section): Add reloc_symbol_changes parameter.  Change
5359         all callers.
5360         * target.h (class Target): Add calls_non_split method.  Declare
5361         do_calls_non_split virtual method.  Declare match_view and
5362         set_view_to_nop.
5363         * target.cc: Include "elfcpp.h".
5364         (Target::do_calls_non_split): New function.
5365         (Target::match_view): New function.
5366         (Target::set_view_to_nop): New function.
5367         * gold.cc (queue_middle_tasks): Give an error if mixing
5368         split-stack and non-split-stack objects with -r.
5369         * i386.cc (Target_i386::relocate_section): Add
5370         reloc_symbol_changes parameter.
5371         (Target_i386::do_calls_non_split): New function.
5372         * x86_64.cc (Target_x86_64::relocate_section): Add
5373         reloc_symbol_changes parameter.
5374         (Target_x86_64::do_calls_non_split): New function.
5375         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5376         parameter.
5377         * powerpc.cc (Target_powerpc::relocate_section): Add
5378         reloc_symbol_changes parameter.
5379         * sparc.cc (Target_sparc::relocate_section): Add
5380         reloc_symbol_changes parameter.
5381         * configure.ac: Call AM_CONDITIONAL for the default target.
5382         * configure: Rebuild.
5383         * testsuite/Makefile.am (TEST_AS): New variable.
5384         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5385         (check_DATA): Add split_i386 and split_x86_64 files.
5386         (SPLIT_DEFSYMS): Define.
5387         (split_i386_[1234n].o): New targets.
5388         (split_i386_[124]): New targets.
5389         (split_i386_[1234r].stdout): New targets.
5390         (split_x86_64_[1234n].o): New targets.
5391         (split_x86_64_[124]): New targets.
5392         (split_x86_64_[1234r].stdout): New targets.
5393         (MOSTLYCLEANFILES): Add new executables.
5394         * testsuite/split_i386.sh: New file.
5395         * testsuite/split_x86_64.sh: New file.
5396         * testsuite/split_i386_1.s: New file.
5397         * testsuite/split_i386_2.s: New file.
5398         * testsuite/split_i386_3.s: New file.
5399         * testsuite/split_i386_4.s: New file.
5400         * testsuite/split_i386_n.s: New file.
5401         * testsuite/split_x86_64_1.s: New file.
5402         * testsuite/split_x86_64_2.s: New file.
5403         * testsuite/split_x86_64_3.s: New file.
5404         * testsuite/split_x86_64_4.s: New file.
5405         * testsuite/split_x86_64_n.s: New file.
5406         * testsuite/testfile.cc (Target_test): Update relocation_section
5407         function.
5408         * testsuite/Makefile.in: Rebuild.
5410 2009-10-06  Ian Lance Taylor  <iant@google.com>
5412         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5413         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5414         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5415         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5416         the address on ldo_addrs_.
5417         (Target_i386::Relocate::fix_up_ldo): New function.
5419 2009-10-06   Rafael Espindola  <espindola@google.com>
5421         * plugin.cc (add_input_library): New.
5422         (Plugin::load): Add add_input_library to tv.
5423         (Plugin_manager::add_input_file): Add the is_lib argument.
5424         (add_input_file): Update call to Plugin_manager::add_input_file.
5425         (add_input_library): New.
5426         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5428 2009-09-30  Doug Kwan  <dougkwan@google.com>
5430         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5431         symbol and call Symbol::may_need_copy_reloc to determine if
5432         a copy reloc is needed.
5433         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5434         nocopyreloc is given in command line.
5435         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5436         given in command line.
5437         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5438         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5439         of the removed Target_i386::may_need_copy_reloc.
5440         * options.h (copyreloc): New option with default value false.
5441         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5442         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5443         instead of the removed Target_powerpc::may_need_copy_reloc.
5444         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5445         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5446         instead of the removed Target_sparc::may_need_copy_reloc.
5447         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5448         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5449         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5450         instead of the removed Target_x86_64::may_need_copy_reloc.
5452 2009-09-30  Ian Lance Taylor  <iant@google.com>
5454         * object.h (class Object): Remove target_ field, and target,
5455         sized_target, and set_target methods.
5456         (Object::sized_target): Remove.
5457         (class Sized_relobj): Update declarations.  Remove sized_target.
5458         * object.cc (Sized_relobj::setup): Remove target parameter.
5459         Change all callers.
5460         (Input_objects::add_object): Don't do anything with the target.
5461         (make_elf_sized_object): Add punconfigured parameter.  Change all
5462         callers.  Set or test parameter target.
5463         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5464         Change all callers.
5465         * parameters.cc (Parameters::set_target): Change parameter type to
5466         be non-const.
5467         (Parameters::default_target): Remove.
5468         (set_parameters_target): Change parameter type to be non-const.
5469         (parameters_force_valid_target): New function.
5470         (parameters_clear_target): New function.
5471         * parameters.h (class Parameters): Update declarations.  Remove
5472         default_target method.  Add sized_target and clear_target
5473         methods.  Change target_ to be non-const.
5474         (set_parameters_target): Update declaration.
5475         (parameters_force_valid_target): Declare.
5476         (parameters_clear_target): Declare.
5477         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5478         as NULL if we aren't searching.
5479         (Add_symbols::run): Don't check for compatible target.
5480         * fileread.cc (Input_file::open_binary): Call
5481         parameters_force_valid_target.
5482         * gold.cc (queue_middle_tasks): Likewise.
5483         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5484         set_target on object.
5485         * dynobj.h (class Sized_dynobj): Update declarations.
5486         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5487         make_elf_object returns NULL.
5488         (Archive::include_member): Don't check whether object target is
5489         compatible.
5490         * output.cc (Output_section::add_input_section): Get target from
5491         parameters.
5492         (Output_section::relax_input_section): Likewise.
5493         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5494         parameters.
5495         (Sized_relobj::do_scan_relocs): Likewise.
5496         (Sized_relobj::relocate_sections): Likewise.
5497         * resolve.cc (Symbol_table::resolve): Likewise.
5498         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5499         parameter.  Change all callers.
5500         (Symbol_table::add_from_object): Get target from parameters.
5501         (Symbol_table::add_from_relobj): Don't check object target.
5502         (Symbol_table::add_from_dynobj): Likewise.
5503         (Symbol_table::define_special_symbol): Get target from
5504         parameters.
5505         * symtab.h (class Symbol_table): Update declaration.
5506         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5507         parameter.  Change all callers.  Clear parameter target.
5508         (Binary_test): Test target here.
5509         * testsuite/object_unittest.cc (gold_testsuite): Remove
5510         target_test_pointer parameter.  Change all callers.
5511         (Object_test): Test target here.
5513 2009-09-26  Ian Lance Taylor  <iant@google.com>
5515         * testsuite/initpri1.c: Don't try to use constructor priorities if
5516         compiling with gcc before 4.3.
5518 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5520         * testsuite/retain_symbols_file_test.sh (check_present): Change
5521         output file name to retain_symbols_file_test.stdout.
5522         (check_absent): Likewise.
5524 2009-09-18  Craig Silverstein  <csilvers@google.com>
5526         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5527         * options.cc: Include <cerrno> and <fstream>.
5528         (General_options::finalize): Parse -retain-symbols-file tag.
5529         * options.h: New flag.
5530         (General_options): New method should_retain_symbol, new
5531         variable symbols_to_retain.
5532         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5533         should_retain_symbol map.
5534         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5535         * testsuite/Makefile.in: Regenerate.
5536         * testsuite/retain_symbols_file_test.sh: New file.
5538 2009-09-18  Nick Clifton  <nickc@redhat.com>
5540         * po/es.po: Updated Spanish translation.
5542 2009-09-17  Doug Kwan  <dougkwan@google.com>
5544         * debug.h (DEBUG_RELAXATION): New constant.
5545         (DEBUG_ALL): Add DEBUG_RELAXATION.
5546         (debug_string_to_enum): Add relaxation debug option.
5547         * layout.cc
5548         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5549         Layout::Relaxation_debug_check::read_sections,
5550         Layout::Relaxation_debug_check::read_sections): New method definitions.
5551         (Layout::Layout): Initialize data members
5552         record_output_section_data_from_scrips_,
5553         script_output_section_data_list_ and relaxation_debug_check_.
5554         (Layout::save_segments, Layout::restore_segments,
5555         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5556         Layout::relaxation_loop_body): New method definitions.
5557         (Layout::finalize): Support relaxation.  Move section layout code to
5558         Layout::relaxation_loop_body.
5559         (Layout::set_asection_address_from_script): Move code for orphan
5560         section placement out.
5561         (Layout::place_orphan_sections_in_script): New method definition.
5562         * layout.h (Output_segment_headers, Output_file_header):
5563         New forward class declarations.
5564         (Layout::~Layout): Define.
5565         (Layout::new_output_section_data_from_script): New method definition.
5566         (Layout::place_orphan_sections_in_script): New method declaration.
5567         (Layout::Segment_states): New type declaration.
5568         (Layout::save_segments, Layout::restore_segments,
5569         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5570         Layout::relaxation_loop_body): New method declarations.
5571         (Layout::Output_section_data_list): New type declaration.
5572         (Layout::Relaxation_debug_check): New class definition.
5573         (Layout::record_output_section_data_from_script_,
5574         Layout::script_output_section_data_list_, Layout::segment_states_,
5575         Layout::relaxation_debug_check_): New data members.
5576         * output.cc: (Output_section_headers::do_size): New method definition.
5577         (Output_section_headers::Output_section_headers): Move size
5578         computation to Output_section_headers::do_size.
5579         (Output_segment_headers::do_size): New method definition.
5580         (Output_file_header::Output_file_header): Move size computation to
5581         Output_file_header::do_size and call it.
5582         (Output_file_header::do_size): New method definition.
5583         (Output_data_group::Output_data_group): Adjust call to
5584         Output_section_data.
5585         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5586         (Output_symtab_xindex::do_write): Add array bound check.
5587         (Output_section::Input_section::print_to_mapfile): Handle
5588         RELAXED_INPUT_SECTION_CODE.
5589         (Output_section::Output_section): Initialize data member checkpoint_.
5590         (Output_section::~Output_section): Delete checkpoint object pointed
5591         by checkpoint_.
5592         (Output_section::add_input_section): Always add an Input_section if
5593         relaxing.
5594         (Output_section::add_merge_input_section): Add assert.
5595         (Output_section::relax_input_section): New method definition.
5596         (Output_section::set_final_data_size): Set load address to zero for
5597         an unallocated section.
5598         (Output_section::do_address_and_file_offset_have_reset_values):
5599         New method definition.
5600         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5601         Handle relaxed input section.
5602         (Output_section::sort_attached_input_sections): Checkpoint input
5603         section list lazily.
5604         (Output_section::get_input_sections): Change type of input_sections to
5605         list of Simple_input_section pointers.  Checkpoint input section list
5606         lazily.  Also handle relaxed input sections.
5607         (Output_section::add_input_section_for_script): Take a reference to
5608         a Simple_input_section object instead of Relobj pointer and section
5609         index as parameter.  Handle relaxed input sections.
5610         (Output_section::save_states, Output_section::restore_states): New
5611         method definitions.
5612         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5613         (Output_data::is_data_size_fixed): New method definition.
5614         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5615         if it is fixed.
5616         (Output_data::address_and_file_offset_have_reset_values): New method
5617         definition.
5618         (Output_data::do_address_and_file_offset_have_reset_values): New method
5619         definition.
5620         (Output_data::set_data_size): Check that data size is not fixed.
5621         (Output_data::fix_data_size): New method definition.
5622         (Output_data::is_data_size_fixed_): New data member.
5623         (Output_section_headers::set_final_data_size): New method definition.
5624         (Output_section_headers::do_size): New method declaration.
5625         (Output_segment_headers::set_final_data_size): New method definition.
5626         (Output_segment_headers::do_size): New method declaration.
5627         (Output_file_header::set_final_data_size)::New method definition.
5628         (Output_file_header::do_size)::New method declaration.
5629         (Output_section_data::Output_section_data): Add new parameter
5630         is_data_size_fixed and use it to fix data size.
5631         (Output_data_const::Output_data_const): Adjust call to base class
5632         constructor and fix data size.
5633         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5634         base class constructor and fix data size.
5635         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5636         base class constructor and fix data size.
5637         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5638         class constructor and fix data size.
5639         (Output_data_group::set_final_data_size): New method definition.
5640         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5641         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5642         class constructor and fix data size.
5643         (Output_relaxed_input_section): New class definition.
5644         (Output_section::Simple_input_section): New class definition.
5645         (Output_section::get_input_sections): Adjust parameter list.
5646         (Output_section::add_input_section_for_script): Same.
5647         (Output_section::save_states, Output_section::restore_states,
5648         Output_section::do_address_and_file_offset_have_reset_values,
5649         (Output_section::Input_section::Input_section): Handle
5650         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5651         Output_relaxed_input_section.
5652         (Output_section::Input_section::is_input_section,
5653         Output_section::Input_section::set_output_section): Handle relaxed
5654         input section.
5655         (Output_section::Input_section::is_relaxed_input_section,
5656         Output_section::Input_section::output_section_data,
5657         Output_section::Input_section::relaxed_input_section): New method
5658         definitions.
5659         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5660         value.
5661         (Output_section::Input_section::u1_): Update comments.
5662         (Output_section::Input_section::u2_): Add new union member poris.
5663         (Output_section::Checkpoint_output_section): New classs definition.
5664         (Output_section::relax_input_section): New method declaration.
5665         (Output_section::checkpoint_): New data member.
5666         (Output_segment): Update comments.
5667         (Output_segment::Output_segment): Un-privatize copy constructor.
5668         (Output_segment::operator=): Un-privatize.
5669         * script-sections.cc (Output_section_element::Input_section_list):
5670         Change element type to Output_section::Simple_input_section.
5671         (Output_section_element_dot_assignment::set_section_addresses):
5672         Register output section data for relaxation clean up.
5673         (Output_data_exression::Output_data_expression): Adjust call to base
5674         constructor to fix data size.
5675         (Output_section_element_data::set_section_addresses): Register
5676         Output_data_expression object for relaxation clean up.
5677         (struct Input_section_info): Replace Relobj pointer and section index
5678         pair with Output_section::Simple_input_section and Convert struct to a
5679         class.
5680         (Input_section_sorter::operator()): Adjust access to
5681         Input_section_info data member to use accessors.
5682         (Output_section_element_input::set_section_addresses): Use layout
5683         parameter.  Adjust code to use Output_section::Simple_input_section
5684         and Input_secction_info classes.  Register filler for relaxation
5685         clean up.
5686         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5687         and section index pair with Output_section::Simple_input_section
5688         class.  Adjust code accordingly.
5689         (Phdrs_element::release_segment): New method definition.
5690         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5691         segment list.
5692         (Script_sections::release_segments): New method definition.
5693         * gold/script-sections.h (Script_sections::release_segments): New
5694         method declaration.
5695         * gold/target.h (Target::may_relax, Target::relax,
5696         Target::do_may_relax, Target::do_relax): New method definitions.
5698 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5700         * arm.cc (has_signed_unsigned_overflow): New function.
5701         (Arm_relocate_functions::abs8): New function.
5702         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5703         (Target_arm::Scan::global): Likewise.
5704         (Target_arm::relocate::relocate): Likewise.
5705         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5706         Likewise.
5708 2009-09-16  Cary Coutant  <ccoutant@google.com>
5710         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5711         * testsuite/Makefile.in: Regenerate.
5713 2009-09-11  Nick Clifton  <nickc@redhat.com>
5715         * po/gold.pot: Updated by the Translation project.
5717 2009-09-08  Cary Coutant  <ccoutant@google.com>
5719         * output.cc (Output_file::open): Add execute permission to empty file.
5720         * testsuite/Makefile.am (permission_test): New test.
5721         * testsuite/Makefile.in: Regenerate.
5723 2009-09-02  Ian Lance Taylor  <iant@google.com>
5725         * output.cc (Output_file::resize): Call map_no_anonymous rather
5726         than map.
5728 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5730         * gold.cc: Include "incremental.h".
5731         (queue_initial_tasks): Call Incremental_checker methods.
5732         * incremental.cc: Include "output.h".
5733         (Incremental_checker::can_incrementally_link_output_file): New
5734         method.
5735         * incremental.h (Incremental_checker): New class.
5737         * output.cc (Output_file::open_for_modification): New method.
5738         (Output_file::map_anonymous): Changed return type to bool.  Record
5739         map in base_ field.
5740         (Output_file::map_no_anonymous): New method, broken out of map.
5741         (Output_file::map): Use map_no_anonymous and map_anonymous.
5742         * output.h (class Output_file): Update declarations.
5744 2009-08-24  Cary Coutant  <ccoutant@google.com>
5746         * options.h (Command_line::Pre_options): New class.
5747         (Command_line::pre_options): New member.
5748         * options.cc (gold::options::ready_to_register): New variable.
5749         (One_option::register_option): Do nothing if not registering options.
5750         Assert if same short option registered twice.
5751         (General_options::General_options): Turn off option registration when
5752         done constructing.
5753         (Command_line::Pre_options::Pre_options): New constructor.
5755 2009-08-24  Cary Coutant  <ccoutant@google.com>
5757         * options.h (General_options::no_keep_memory): Remove incorrect
5758         short option.
5760 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5762         * Makefile.am (am__skiplex, am__skipyacc): New.
5763         * Makefile.in: Regenerate.
5765 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5767         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5768         (INCLUDES): ... this.
5769         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5770         (AM_CPPFLAGS): Renamed from ...
5771         (INCLUDE): ... this.
5772         * Makefile.in, testsuite/Makefile.in: Regenerate.
5774         * Makefile.in: Regenerate.
5775         * aclocal.m4: Likewise.
5776         * config.in: Likewise.
5777         * configure: Likewise.
5778         * testsuite/Makefile.in: Likewise.
5780         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5781         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5782         * Makefile.in: Regenerate.
5783         * testsuite/Makefile.in: Regenerate.
5785 2009-08-19  Cary Coutant  <ccoutant@google.com>
5787         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5788         symbols in shared libraries overridden by hidden or internal symbols
5789         in the main program.
5791 2009-08-19  Chris Demetriou  <cgd@google.com>
5793         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5794         checking source file names in error messages.
5796 2009-08-18  Doug Kwan  <dougkwan@google.com>
5798         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5799         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5800         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5801         an elfcpp::Ehdr as parameter.
5802         * object.cc (Object::set_target): Remove the version that looks up
5803         a target and sets it.
5804         (Sized_relobj::setup): Take a Target object instead of
5805         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5806         (make_elf_sized_object): Find target and ask target to
5807         make an ELF object.
5808         * object.h: (Object::set_target): Remove the version that looks up
5809         a target and sets it.
5810         (Sized_relobj::setup): Take a Target object instead of
5811         an elfcpp:Ehdr as parameter.
5812         * target.cc: Include dynobj.h.
5813         (Target::do_make_elf_object_implementation): New.
5814         (Target::do_make_elf_object): New.
5815         * target.h (Target::make_elf_object): New template declaration.
5816         (Target::do_make_elf_object): New method declarations.
5817         (Target::do_make_elf_object_implementation): New template declaration.
5819 2009-08-14  Ian Lance Taylor  <iant@google.com>
5821         * gold.h (FUNCTION_NAME): Define.
5822         (gold_unreachable): Use FUNCTION_NAME.
5824 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5826         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5827         symbol in the --keep-unique list is not found.
5829 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5831         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5832         been maked as --keep-unique.
5833         (Icf::unfold_section): New function.
5834         * icf.h (Icf::unfold_section): New function.
5835         * options.h (General_options::keep_unique): New option.
5836         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5837         * testsuite/Makefile.in: Regenerate.
5838         * testsuite/icf_keep_unique_test.sh: New file.
5839         * testsuite/icf_keep_unique_test.cc: New file.
5841 2009-08-12  Cary Coutant  <ccoutant@google.com>
5843         PR 10471
5844         * resolve.cc (Symbol_table::resolve): Check for references from
5845         dynamic objects to hidden and internal symbols.
5846         * testsuite/Makefile.am (hidden_test.sh): New test.
5847         * testsuite/Makefile.in: Regenerate.
5848         * testsuite/hidden_test.sh: New script.
5849         * testsuite/hidden_test_1.c: New test source.
5850         * testsuite/hidden_test_main.c: New test source.
5852 2009-08-11  Doug Kwan  <dougkwan@google.com>
5854         * arm.cc: Update comments.
5855         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5856         segment to locate the .ARM.exidx section if present.
5858 2009-08-09  Doug Kwan  <dougkwan@google.com>
5860         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5861         patch.
5863 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5864         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5865         compiler warnings.
5867 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5869         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5870         valid tls_segment only for non-debug-section relocations.
5871         * testsuite/Makefile.am: Add gc_tls_test.
5872         * testsuite/Makefile.in: Regenerate.
5873         * testsuite/gc_tls_test.cc: New file.
5874         * testsuite/gc_tls_test.sh: New file.
5876 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5878         * icf.cc: New file.
5879         * icf.h: New file.
5880         * Makefile.am (CCFILES): Add icf.cc.
5881         (HFILES): Add icf.h
5882         * Makefile.in: Regenerate.
5883         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5884         * gc.h (gc_process_relocs): Populate lists used by icf to contain
5885         section, symbol and addend information for the relocs.
5886         * gold.cc (queue_middle_tasks): Call identical code folding.
5887         * gold.h: Add defines for multimap.
5888         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
5889         to the call of finalize_local_symbols.
5890         * main.cc (main): Create object of class Icf.
5891         * object.cc (Sized_relobj::do_layout): Allow this function to be
5892         called twice during icf.
5893         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
5894         to sections marked as identical by icf.
5895         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
5896         when available.
5897         (Sized_relobj::do_section_entsize): New function.
5898         * object.h (Object::section_entsize): New function.
5899         (Object::do_section_entsize): New pure virtual function.
5900         (Relobj::finalize_local_symbols): Add new parameter.
5901         (Relobj::do_section_entsize): New function.
5902         * options.h (General_options::icf): New option.
5903         (General_options::icf_iterations): New option.
5904         (General_options::print_icf_sections): New option.
5905         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
5906         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
5907         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
5908         icf.
5909         * symtab.cc (Symbol_table::is_section_folded): New function.
5910         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
5911         to sections marked as identical by icf.
5912         * symtab.h (Symbol_table::set_icf): New function.
5913         (Symbol_table::icf): New function.
5914         (Symbol_table::is_section_folded): New function.
5915         (Symbol_table::icf_): New data member.
5916         * target-reloc.h (relocate_section): Ignore sections folded by icf.
5917         * testsuite/Makefile.am: Add commands to build icf_test.
5918         * testsuite/Makefile.in: Regenerate.
5919         * testsuite/icf_test.sh: New file.
5920         * testsuite/icf_test.cc: New file.
5922 2009-07-24  Chris Demetriou  <cgd@google.com>
5924         * layout.cc (is_compressible_debug_section): Fix incorrect
5925         comment about compressed section names.
5927 2009-07-20  Ian Lance Taylor  <ian@airs.com>
5929         PR 10419
5930         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
5932 2009-07-16  Ian Lance Taylor  <iant@google.com>
5934         PR 10400
5935         * layout.h: #include <map>.
5936         (class Kept_section): Change from struct to class.  Add accessors
5937         and setters.  Add section size to Comdat_group mapping.  Change
5938         Comdat_group to std::map.  Add is_comdat_ field.  Add
5939         linkonce_size field in union.
5940         (class Layout): Update declaration of find_or_add_kept_section.
5941         Don't declare find_kept_object.
5942         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
5943         parameter.  Add object, shndx, is_comdat, and is_group_name
5944         parameters.  Change all callers.  Adjust for new Kept_section.
5945         (Layout::find_kept_object): Remove.
5946         * object.cc (Sized_relobj::include_section_group): Update use of
5947         Kept_section.  Rename secnum to shndx.  Only record
5948         Kept_comdat_section if sections are the same size.
5949         (Sized_relobj::include_linkonce_section): Update use of
5950         Kept_section.  Only record Kept_comdat_section if sections are the
5951         same size.  Set size of linkonce section.
5952         (Sized_relobj::map_to_kept_section): Update call to
5953         get_kept_comdat_section.
5954         * object.h (class Sized_relobj): Rename fields in
5955         Kept_comdat_section to drop trailing underscores; change object
5956         field to Relobj*.  Change Kept_comdat_section_table to store
5957         struct rather than pointer.
5958         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
5959         Add kept_object and kept_shndx parameters.  Change all callers.
5960         (Sized_relobj::get_kept_comdat_section): Change return type to
5961         bool.  Add kept_object and kept_shndx parameters.  Change all
5962         callers.
5963         * plugin.cc (Pluginobj::include_comdat_group): Update call to
5964         Layout::find_or_add_kept_section.
5966 2009-07-09  Ian Lance Taylor  <iant@google.com>
5968         * merge.cc (Object_merge_map::initialize_input_to_output_map):
5969         Reserve space in the hash table.
5971 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
5973         * fileread.cc (File_read::get_mtime): New method.
5974         * fileread.h (Timespec): New structure.
5975         (File_read::get_mtime): New method.
5976         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
5977         Renamed from timestamp_nsec.
5978         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
5979         Elf_Xword.
5980         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
5981         timestamp_nsec.
5982         (Incremental_inputs::report_archive): Save mtime; style fix.
5983         (Incremental_inputs::report_obejct): Save mtime; style fix.
5984         (Incremental_inputs::report_script): Save mtime; style fix.
5985         (Incremental_inputs::finalize_inputs): Style fix.
5986         (Incremental_inputs::finalize): Style fix.
5987         (Incremental_inputs::create_input_section_data): Store inputs
5988         mtime.
5989         * incremental.h (Incremental_inputs::report_script): Add mtime
5990         argument.
5991         (Incremental_inputs::Input_info::Input_info): Intialize only one
5992         union member.
5993         (Incremental_inputs::Input_info::archive): Move to nameless
5994         union.
5995         (Incremental_inputs::Input_info::obejct): Move to nameless union.
5996         (Incremental_inputs::Input_info::script): Move to nameless union.
5997         (Incremental_inputs::mtime): New field.
5998         * script.cc (read_input_script): Pass file mtime to
5999         Incremental_input.
6000         * script.h (Script_info::inputs): Style fix.
6002 2009-07-01  Ian Lance Taylor  <ian@airs.com>
6004         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
6005         instead of 32.
6007 2009-06-24  Ian Lance Taylor  <iant@google.com>
6009         PR 10156
6010         * layout.cc (Layout::choose_output_section): If we find an
6011         existing section, update the flags.
6012         (Layout::create_notes): New function, broken out of
6013         Layout::finalize.
6014         (Layout::finalize): Don't create note sections.
6015         (Layout::create_note): Don't crash if linker script discards
6016         section.
6017         (Layout::create_gold_note): Likewise.
6018         (Layout::create_build_id): Likewise.  Don't set
6019         after_input_sections on the section.
6020         (Layout::create_executable_stack_info): Remove target parameter.
6021         Change caller.
6022         * layout.h (class Layout): Declare create_notes.  Update
6023         declaration of create_executable_stack_info.
6024         * gold.cc (queue_middle_tasks): Call create_notes.
6025         * output.cc (Output_section::update_flags_for_input_section): Move
6026         here from output.h.  If SHF_ALLOC flag is newly set, mark address
6027         invalid.
6028         * output.h (Output_data::mark_address_invalid): New function.
6029         (class Output_section): Only declare, not define,
6030         update_flags_for_input_section.  Remove set_flags.
6032 2009-06-24  Ian Lance Taylor  <iant@google.com>
6034         * script-sections.cc (Output_section_definition::
6035         set_section_addresses): Rename shadowing local load_address to
6036         laddr.
6038 2009-06-24  Ian Lance Taylor  <iant@google.com>
6040         PR 10244
6041         * reloc.cc (relocate_sections): Skip empty relocation sections.
6043 2009-06-23  Ian Lance Taylor  <iant@google.com>
6045         PR 10156
6046         * layout.cc (Layout::create_note): Use choose_output_section
6047         rather than make_output_section.
6049 2009-06-23  Ian Lance Taylor  <iant@google.com>
6051         PR 10237
6052         * options.cc (General_options::parse_V): Set printed_version_.
6053         (General_options::General_options): Initialize printed_version_.
6054         * options.h (class General_options): Add printed_version_ field.
6055         * gold.cc (queue_initial_tasks): If there are no input files,
6056         don't give a fatal error if we printed the version information.
6057         (queue_middle_tasks): If using -r with a shared object, give a
6058         fatal error rather than an ordinary error.
6060 2009-06-23  Ian Lance Taylor  <iant@google.com>
6062         PR 10219
6063         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
6064         (Layout::make_output_section): Set have_stabstr_section_ if we see
6065         a .stab*str section.
6066         (Layout::finalize): Call link_stabs_sections.
6067         (Layout::link_stabs_sections): New file.
6068         * layout.h (class Layout): Add have_stabstr_section_ field.
6069         Declare link_stabs_sections.
6071 2009-06-23  Doug Kwan  <dougkwan@google.com>
6073         * Makefile.am (libgold_a_LIBADD): New.
6074         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6075         * Makefile.in: Regenerate.
6076         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6077         * configure: Regenerate.
6078         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6079         * fileread.cc: Include sys/state.h
6080         * gold.h: Declare memmem and strndup if found missing.
6081         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6083 2009-06-23  Ian Lance Taylor  <iant@google.com>
6085         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6086         * configure: Rebuild.
6088 2009-06-23  Ian Lance Taylor  <iant@google.com>
6090         PR 10147
6091         * object.cc (Object::section_contents): Don't try to get a view if
6092         the section has length zero.
6093         (Object::handle_gnu_warning_section): If the section is empty, use
6094         the name of the section as the warning.
6096 2009-06-23  Ian Lance Taylor  <iant@google.com>
6098         PR 10133
6099         * stringpool.h (class Stringpool_template): Add optimize_ field.
6100         (Stringpool_template::set_optimize): New function.
6101         * stringpool.cc (Stringpool_template::Stringpool_template):
6102         Initialize optimize_ field.
6103         (Stringpool_template::set_string_offsets): Test local optimize
6104         fild rather than parameter.
6105         * layout.cc (Layout::Layout): Call set_optimize on the section
6106         name stringpool.
6108 2009-06-22  Ian Lance Taylor  <iant@google.com>
6110         PR 10030
6111         * yyscript.y: Parse TARGET.
6112         * script.cc (script_set_target): New function.
6113         * script-c.h (script_set_target): Declare.
6114         * options.cc (General_options::string_to_object_format): Rename
6115         from string_to_object_format in anonymous namespace.  Change
6116         callers.
6117         * options.h (class General_options): Declare
6118         string_to_object_format.
6120 2009-06-22  Ian Lance Taylor  <iant@google.com>
6122         * script-sections.cc (Script_sections::create_segments): Don't put
6123         program headers in a PT_LOAD segment if -n or -N.
6125 2009-06-22  Ian Lance Taylor  <iant@google.com>
6127         PR 10141
6128         * options.h (class General_options): Add -z lazy and -z now.  Sort
6129         -z options into alphabetical order.
6130         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6132 2009-06-21  Ian Lance Taylor  <iant@google.com>
6134         * layout.cc (Layout::make_output_section): Call
6135         Target::new_output_section.
6136         (Layout::attach_allocated_section_to_segment): Put large section
6137         sections in a separate load segment with the large segment flag
6138         set.
6139         (Layout::segment_precedes): Sort large data segments after other
6140         load segments.
6141         (align_file_offset): New static function.
6142         (Layout::set_segment_offsets): Use align_file_offset.
6143         * output.h (class Output_section): Add is_small_section_ and
6144         is_large_section_ fields.
6145         (Output_section::is_small_section): New function.
6146         (Output_section::set_is_small_section):  New function.
6147         (Output_section::is_large_section): New function.
6148         (Output_section::set_is_large_section): New function.
6149         (Output_section::is_large_data_section): New function.
6150         (class Output_segment): Add is_large_data_segment_ field.
6151         (Output_segment::is_large_data_segment): New function.
6152         (Output_segment::set_is_large_data_segment): New function.
6153         * output.cc (Output_section::Output_section): Initialize new
6154         fields.
6155         (Output_segment::Output_segment): Likewise.
6156         (Output_segment::add_output_section): Add assertion that large
6157         data sections always go in large data segments.  Force small data
6158         sections to the end of the list of data sections.  Force small BSS
6159         sections to the start of the list of BSS sections.  For large BSS
6160         sections to the end of the list of BSS sections.
6161         * symtab.h (class Symbol): Declare is_common_shndx.
6162         (Symbol::is_defined): Check Symbol::is_common_shndx.
6163         (Symbol::is_common): Likewise.
6164         (class Symbol_table): Define enum Commons_section_type.  Update
6165         declarations.  Add small_commons_ and large_commons_ fields.
6166         * symtab.cc (Symbol::is_common_shndx): New function.
6167         (Symbol_table::Symbol_table): Initialize new fields.
6168         (Symbol_table::add_from_object): Put small and large common
6169         symbols in the right list.
6170         (Symbol_table::sized_finalized_symbol): Check
6171         Symbol::is_common_shndx.
6172         (Symbol_table::sized_write_globals): Likewise.
6173         * common.cc (Symbol_table::do_allocate_commons): Allocate new
6174         common symbol lists.  Don't call do_allocate_commons_list if the
6175         list is empty.
6176         (Symbol_table::do_allocate_commons_list): Remove is_tls
6177         parameter.  Add comons_section_type parameter.  Change all
6178         callers.  Handle small and large common symbols.
6179         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
6180         Symbol::is_common_shndx.
6181         * resolve.cc (symbol_to_bits): Likewise.
6182         * target.h (Target::small_common_shndx): New function.
6183         (Target::small_common_section_flags): New function.
6184         (Target::large_common_shndx): New function.
6185         (Target::large_common_section_flags): New function.
6186         (Target::new_output_section): New function.
6187         (Target::Target_info): Add small_common_shndx, large_common_shndx,
6188         small_common_section_flags, and large_common_section_flags
6189         fields.
6190         (Target::do_new_output_section): New virtual function.
6191         * arm.cc (Target_arm::arm_info): Initialize new fields.
6192         * i386.cc (Target_i386::i386_info): Likewise.
6193         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6194         Likewise.
6195         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
6196         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6197         (Target_x86_64::do_new_output_section): New function.
6198         * configure.ac: Define conditional MCMODEL_MEDIUM.
6199         * testsuite/Makefile.am (check_PROGRAMS): Add large.
6200         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
6201         (large_LDFLAGS): Define.
6202         * testsuite/large.c: New file.
6203         * testsuite/testfile.cc (Target_test::test_target_info):
6204         Initialize new fields.
6205         * configure, testsuite/Makefile.in: Rebuild.
6207 2009-06-05  Doug Kwan  <dougkwan@google.com>
6209         * Makefile.am (CCFILES): Add target.cc.
6210         * Makefile.in: Regenerate.
6211         * i386.cc (class Target_i386): Define new virtual method to
6212         override do_is_local_label_name in parent.
6213         * object.cc (Sized_relobj::do_count_local_symbols): Discard
6214         local symbols if --discard-locals or -X is given.
6215         * options.h (class General_options): Declare new options
6216         '--discard-locals' and '-X' for discarding locals.
6217         * target.h (class Target): Define new methods is_local_label_name.
6218         Declare new virtual method do_is_local_label_name.
6219         * target.cc: New file.
6220         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
6221         (check_SCRIPTS): Add discard_locals_test.sh.
6222         (check_DATA): Add discard_local_tests.syms.
6223         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
6224         (discard_local_tests.syms, discard_locals_test.o): New make rules.
6225         * testsuite/Makefile.in: Regenerate.
6226         * testsuite/discard_locals_test.c: New file.
6227         * testsuite/discard_locals_test.sh: Same.
6229 2009-06-05  Doug Kwan  <dougkwan@google.com>
6231         * object.cc (Sized_relobj::Sized_relobj): Initialize
6232         discarded_eh_frame_shndx_ to -1U.
6233         (Sized_relobj::do_layout): Record index of a discard .eh_frame
6234         section.
6235         (Sized_relobj::do_count_local_symbols): Skip local symbols in
6236         a discarded .eh_frame section.
6237         (Sized_relobj::do_finalize_local_symbols): Ditto.
6238         * object.h (class Sized_relobj): Declare new member
6239         discarded_eh_frame_shndx_.
6240         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
6241         (local_labels_test.o, local_labels_test): New rules.
6242         * testsuite/Makefile.in: Regenerate.
6244 2009-06-04  Doug Kwan  <dougkwan@google.com>
6246         * layout.cc (Layout::section_name_mapping): Add mapping for
6247         special ARM sections.
6249 2009-06-03  Doug Kwan  <dougkwan@google.com>
6251         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
6252         (utils::has_overflow): Same.
6254 2009-06-03  Ian Lance Taylor  <iant@google.com>
6256         * layout.cc (Layout::section_name_mapping): New array, replacing
6257         Layout::linkonce_mapping.
6258         (Layout::section_name_mapping_count): New variable, replacing
6259         Layout::linkonce_mapping_count.
6260         (Layout::linkonce_output_name): Remove.
6261         (Layout::output_section_name): Rewrite.
6262         * layout.h (class Layout): Rename Linkonce_mapping to
6263         Section_name_mapping, linkonce_mapping to section_name_mapping,
6264         linkonce_mapping_count to section_name_mapping_count.  Don't
6265         declare linkonce_output_name.
6267 2009-06-03  Doug Kwan  <dougkwan@google.com>
6269         * gold/arm.cc (namespace utils): New.
6270         (Target_arm::reloc_is_non_pic): Define new method.
6271         (class Arm_relocate_functions): New.
6272         (Target_arm::Relocate::relocate): Handle relocation types used by
6273         Android.
6275 2009-06-03  Ian Lance Taylor  <iant@google.com>
6277         * arm.cc (Target_arm::scan::global): Use || instead of |.
6279 2009-06-02  Doug Kwan  <dougkwan@google.com>
6281         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
6282         issued_non_pic_error_.
6283         (class Target_arm::Scan): Declare new method check_non_pic.
6284         Define new method symbol_needs_plt_entry.
6285         Declare new data member issued_non_pic_error_.
6286         (class Target_arm::Relocate): Declare new method
6287         should_apply_static_reloc.
6288         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
6289         (Target_arm::Scan::check_non_pic): Define new method.
6290         (Target_arm::Scan::local): Handle a small subset of reloc types used
6291         by Android.
6292         (Target_arm::Scan::local): Same.
6293         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
6295 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
6297         * incremental.cc (Incremental_inputs::report_command_line): Filter
6298         out --incremental-* options.
6300 2009-05-29  Doug Kwan  <dougkwan@google.com>
6302         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
6303         template class.
6304         (class Target_arm): Update comment.
6305         (Target_arm::Target_arm): Initialize new data members GOT_,
6306         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
6307         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
6308         and Target_arm::rel_dyn_section.
6309         Declare new_enum Target_arm::Got_type.
6310         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
6311         and DYNBSS_.
6312         Update commments for member do_dynsym_value.
6313         (Target_arm::got_size, Target_arm::plt_section,
6314         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
6315         new methods inside class defintion.
6316         (Target_arm::got_section): Define new method.
6317         (Target_arm::rel_dyn_section): Same.
6318         (Output_data_plt_arm): New template class.
6319         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
6320         (Output_data_plt_arm:do_adjust_output_section): Define new method.
6321         (Output_data_plt_arm::add_entry): Same.
6322         (Output_data_plt_arm::first_plt_entry): Define new
6323         static data member for PLT instruction template.
6324         (Output_data_plt_arm::plt_entry): Same.
6325         (Output_data_plt_arm::do_write): Define new method.
6326         (Target_arm::make_plt_entry): Same.
6327         (Target_arm::do_finalize_sections): Same.
6328         (Target_arm::do_dynsym_value): Same.
6330 2009-05-28  Doug Kwan  <dougkwan@google.com>
6332         * Makefile.am (TARGETSOURCES): Add arm.cc.
6333         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6334         * Makefile.in: Regenerate.
6335         * arm.cc: New file.
6336         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6338 2009-05-26  Doug Kwan  <dougkwan@google.com>
6340         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6341         (General_options::check_excluded_libs): Strip off directories in
6342         archive name before matching like GNU ld does.
6343         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6344         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6345         (exclude_libs_test_LDFLAGS): Add linker option
6346         -Wl,--exclude-libs,libexclude_libs_test_3
6347         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6348         an explicit archive without using -l.
6349         (alt/libexclude_libs_test_3.a): New make rule.
6350         * testsuite/Makefile.in: Regenerate.
6351         * testsuite/exclude_libs_test.c : Declare lib3_default().
6352         (main): Call it.
6353         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6354         * exclude_libs_test_3.c: New file.
6356 2009-05-26  Nick Clifton  <nickc@redhat.com>
6358         * po/id.po: New Indonesian translation.
6359         * po/gold.pot: Updated template file.
6361 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6363         * testsuite/Makefile.am: Add -ffunction-sections to compile
6364         gc_comdat_test files.  Add -Wl,--gc-sections to build
6365         gc_comdat_test.
6366         * testsuite/Makefile.in: Regenerate.
6367         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6369 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6371         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6372         kept comdat section was garbage collected.
6373         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6374         * testsuite/Makefile.in: Regenerate.
6375         * testsuite/gc_comdat_test.sh: New file.
6376         * testsuite/gc_comdat_test_1.cc: New file.
6377         * testsuite/gc_comdat_test_2.cc: New file.
6379 2009-05-19  Doug Kwan  <dougkwan@google.com>
6381         * archive.cc (Archive::Archive): Move constructor from archive.h
6382         to here.  Initialize no_export_.
6383         (Archive::get_elf_object_for_member): Set no_export flag of object.
6384         * archive.h (Archive::Archive): Move constructor body to
6385         archive.cc.
6386         (Archive::no_export): New method.
6387         (Archive::no_export_): New field.
6388         * object.h (Object::Object): Initialize no_export_ to false.
6389         (Object::no_export, Object::set_no_export): New methods.
6390         (Object::no_export_): New field.
6391         * options.cc (General_options::parse_exclude_libs): New method.
6392         (General_options::check_excluded_libs) Same.
6393         * options.h (exclude_libs): New option.
6394         (General_options::check_excluded_libs): New method declaration.
6395         (General_options::excluded_libs_): New field.
6396         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6397         default or protected visibility if an object has no-export flag set.
6398         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6399         (check_SCRIPTS): Add exclude_libs_test.sh.
6400         (check_DATA): Add exclude_libs_test.syms.
6401         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6402         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6403         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6404         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6405         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6406         libexclude_libs_test_2.a): New rules.
6407         * testsuite/Makefile.in: Regenerate.
6408         * testsuite/exclude_libs_test.c: New file.
6409         * testsuite/exclude_libs_test.sh: Ditto.
6410         * testsuite/exclude_libs_test_1.c: Ditto.
6411         * testsuite/exclude_libs_test_2.c: Ditto.
6413 2009-05-15  Ian Lance Taylor  <iant@google.com>
6415         * configure.ac: Check for declarations for cases where libiberty.h
6416         checks HAVE_DECL_xxx.
6417         * configure, config.in: Rebuild.
6419 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6421         * gold.h (Incremental_argument_list): Remove (invalid) forward
6422         declaration.
6423         * incremental.cc (Incremental_inputs::report_achive): New method.
6424         (Incremental_inputs::report_object): New method.
6425         (Incremental_inputs::report_script): New method.
6426         (Incremental_inputs::finalize_inputs): New method.
6427         (Incremental_inputs::finalize): Call finalize_inputs().
6428         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6429         Create inputs entries.
6430         * incremental.h (Incremental_input_type): New enum.
6431         (Incremental_inputs::Incremental_input): Initialize new fields.
6432         (Incremental_inputs::report_inputs): New method.
6433         (Incremental_inputs::report_achive): New method.
6434         (Incremental_inputs::report_object): New method.
6435         (Incremental_inputs::report_script): New method.
6436         (Incremental_inputs::finalize_inputs): New method.
6437         (Incremental_inputs::Input_info): New struct.
6438         (Incremental_inputs::Input_info_map): New typedef.
6439         (Incremental_inputs::lock_): New field.
6440         (Incremental_inputs::Inputs_): New field.
6441         (Incremental_inputs::Inputs_map): New field.
6442         * main.cc (main): Call Incremental_input::report_inputs.
6443         * options.h (Input_argument_list): Typedef moved from
6444         Input_arguments.
6445         (Input_file_group::Files): Remove, use ::Input_argument_list.
6446         (Input_file_group::Input_argument_list): Remove, use
6447         ::Input_argument_list.
6448         * plugin.cc (Plugin_manager::add_input_file): Add error in
6449         incremental build.
6450         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6451         functions.
6452         * script.cc (read_input_script): Call
6453         Incremental_input::report_script.
6454         * script.h (Script_info): New class.
6456 2009-04-27  Ian Lance Taylor  <iant@google.com>
6458         * x86_64.cc (do_adjust_output_section): Set entsize to
6459         plt_entry_size.
6461 2009-04-23  Elliott Hughes  <enh@google.com>
6463         * output.cc (Output_file::close): After short writes, continue
6464         writing from the correct offset in the buffer being written.
6466 2009-04-23  Chris Demetriou  <cgd@google.com>
6468         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6469         * configure: Regenerate.
6470         * config.in: Regenerate.
6471         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6472         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6474 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6476         * incremental.cc (Incremental_inputs_header_data): Renamed from
6477         Incremental_input_header_data.
6478         (Incremental_inputs_header_data::data_size): New field.
6479         (Incremental_inputs_header_data::put_input_file_count): Renamed
6480         from input_file_count.
6481         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6482         from command_line_offset.
6483         (Incremental_inputs_header_data::put_reserved): Renamed from
6484         put_reserved.
6485         (Incremental_inputs_entry_data): Renamed from
6486         Incremental_input_entry_data.
6487         (Incremental_inputs_entry_data::data_size): New field.
6488         (Incremental_inputs::report_command_line): New method.
6489         (Incremental_inputs::finalize): New method.
6490         (Incremental_inputs::create_incremental_inputs_data): New method.
6491         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6492         * incremental.h: New file.
6493         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6494        (Layout::finalize): Create incremental inputs section in
6495         incremental builds.
6496        (Layout::create_incremental_info_sections): New method.
6497         * layout.h (Layout::incremental_inputs): New method.
6498        (Layout::create_incremental_info_sections): New method.
6499        (Layout::incremental_inputs_): New field.
6500         * main.cc (main): Notify Incremental_input of the command line.
6502 2009-04-01  Ian Lance Taylor  <iant@google.com>
6503             Mikolaj Zalewski  <mikolajz@google.com>
6505         * gold.h (reserve_unordered_map): Define, three versions, one for
6506         each version of Unordered_map.
6507         * layout.cc (Layout::Layout): Remove options parameter.  Add
6508         number_of_input_files parameter.  Don't initialize options_.
6509         Initialize number_of_input_files_ and resized_signatures_.  Move
6510         sections_are_attached_.
6511         (Layout::layout_group): Reserve space for group_signatures_.
6512         (Layout::find_or_add_kept_section): Change name parameter to be a
6513         reference.  Resize signatures_ map when it gets large enough.
6514         (Layout::layout_eh_frame): Use parameters->options() instead of
6515         this->options_.
6516         (Layout::make_output_section): Likewise.
6517         (Layout::attach_allocated_section_to_segment): Likewise.
6518         (Layout::finalize, Layout::create_executable_stack): Likewise.
6519         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6520         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6521         * layout.h (class Layout): Update declarations.  Remove options_
6522         field.  Add number_of_input_files_ and resized_signatures_
6523         fields.  Move sections_are_attached_ field.
6524         * main.cc (main): Pass number of input files to Layout
6525         constructor.  Don't pass options.
6527 2009-03-30  Ian Lance Taylor  <iant@google.com>
6529         * ffsll.c (ffsll): Correct implementation.
6531 2009-03-27  Ian Lance Taylor  <iant@google.com>
6533         * ffsll.c: New file.
6534         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6535         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6536         * ftruncate.c (ftruncate): Declare before definition.
6537         * mremap.c (mremap): Likewise.
6538         * pread.c (pread): Likewise.
6539         * configure, Makefile.in, config.in: Rebuild.
6541         * mremap.c: New file.
6542         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6543         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6544         (mremap): Declare if HAVE_MREMAP is not defined.
6545         * configure, Makefile.in, config.in: Rebuild.
6547 2009-03-27  Cary Coutant  <ccoutant@google.com>
6549         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6550         position independent.
6551         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6552         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6554 2009-03-24  Cary Coutant  <ccoutant@google.com>
6556         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6557         an executable.
6558         (needs_dynamic_reloc): Likewise.
6560 2009-03-24  Ian Lance Taylor  <iant@google.com>
6562         * yyscript.y (file_cmd): Recognize EXTERN.
6563         (extern_name_list, extern_name_list_body): New nonterminals.
6564         * script.cc (script_add_extern): Define.
6565         * script-c.h (script_add_extern): Declare.
6567 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6569         * object.cc (is_elf_object): Define.
6570         * object.h (is_elf_object): Declare.
6571         * archive.cc (Archive::get_elf_object_for_member): Call
6572         is_elf_object.
6573         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6575 2009-03-24  Elliott Hughes  <enh@google.com>
6577         * output.cc (Output_file::map_anonymous): Define.
6578         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6579         try an anonymous one.  Report the size if the mmap fails.
6580         * output.h (class Output_file): Declare map_anonymous.
6582 2009-03-24  Ian Lance Taylor  <iant@google.com>
6584         * target-select.cc (instantiate_target): Don't acquire the lock if
6585         the instantiated_target_ field has already been set.
6587 2009-03-23  Ian Lance Taylor  <iant@google.com>
6589         * gold-threads.h (class Initialize_lock): Define.
6590         * gold-threads.cc (class Initialize_lock_once): Define.
6591         (initialize_lock_control): New static variable.
6592         (initialize_lock_pointer): New static variable.
6593         (initialize_lock_once): New static function.
6594         (Initialize_lock::Initialize_lock): Define.
6595         (Initialize_lock::initialize): Define.
6596         * target-select.h: Include "gold-threads.h".
6597         (class Target_selector): Add lock_ and initialize_lock_ fields.
6598         Don't define instantiate_target, just declare it.
6599         * target-select.cc (Target_selector::Target_selector): Initialize
6600         new fields.
6601         (Target_selector::instantiate_target): Define.
6602         * descriptors.h: Include "gold-threads.h".
6603         (class Descriptors): Add initialize_lock_ field.
6604         * descriptors.cc (Descriptors::Descriptors): Initialize new
6605         field.
6606         (Descriptors::open): Use initialize_lock_ field
6607         * errors.h (class Errors): Add initialize_lock_ field.
6608         * errors.cc (Errors::Errors): Initialize new field.
6609         (Errors::initialize_lock): Use initialize_lock_ field.
6610         * powerpc.cc (class Target_selector_powerpc): Remove
6611         instantiated_target_ field.  In do_recognize call
6612         instantiate_target rather than do_instantiate_target.  In
6613         do_instantiate_target just allocate a new target.
6614         * sparc.cc (class Target_selector_sparc): Likewise.
6616         * freebsd.h: New file.
6617         * i386.cc: Include "freebsd.h".
6618         (Target_i386): Derive from Target_freebsd rather than
6619         Sized_target.
6620         (Target_selector_i386): Derive from Target_selector_freebsd rather
6621         than Target_selector.
6622         * x86_64.cc: Include "freebsd.h".
6623         (Target_x86_64): Derive from Target_freebsd rather than
6624         Sized_target.
6625         (Target_selector_x86_64): Derive from Target_selector_freebsd
6626         rather than Target_selector.
6627         * target.h (class Target): Add adjust_elf_header and
6628         do_adjust_elf_header.
6629         * output.cc (Output_file_header:: do_sized_write): Call target
6630         adjust_elf_header routine.
6631         * configure.tgt: Set targ_osabi.
6632         * configure.ac: Define GOLD_DEFAULT_OSABI.
6633         * parameters.cc (Parameters::default_target): Pass
6634         GOLD_DEFAULT_OSABI to select_target.
6635         * target-select.h (class Target_selector): Make instantiate_target
6636         protected rather than private.
6637         * Makefile.am (HFILES): Add freebsd.h.
6638         * configure, Makefile.in, config.in: Rebuild.
6640         * merge.cc (do_add_input_section): Correct pend value.  Change
6641         message about last entry not being null terminated from error to
6642         warning.
6644 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6646         * incremental.cc: New file.
6647         * Makefile.am (CCFILES): Add incremental.cc.
6648         * Makefile.in: Rebuild.
6650 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6652         * layout.cc (Layout::output_section_name): Preserve names
6653         of '.note.' sections.
6655 2009-03-19  Ian Lance Taylor  <iant@google.com>
6657         * descriptors.cc (Descriptors::open): Check that the options are
6658         valid before using them.
6660 2009-03-18  Ian Lance Taylor  <iant@google.com>
6662         * script-sections.h: Include <list>.
6663         (class Script_sections): Change Sections_elements from std::vector
6664         to std::list.  Typedef public Elements_iterator.  Add
6665         orphan_section_placement_, data_segment_align_start_, and
6666         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6667         field.
6668         * script-sections.cc (class Orphan_section_placement): New class.
6669         (class Sections_element): Add virtual functions is_relro and
6670         orphan_section_init.  Remove virtual function place_orphan_here.
6671         (class Output_section_definition): Add is_relro and
6672         orphan_section_init.  Remove place_orphan_here.
6673         (class Orphan_output_section): Likewise.
6674         (Script_sections::Script_sections): Update for field changes.
6675         (Script_sections::data_segment_align): Set saw_data_segment_align_
6676         and data_segment_align_start_, not data_segment_align_index.
6677         (Script_sections::data_segment_relro_end): Check
6678         saw_data_segment_align_.  Use data_segment_align_start_ rather
6679         than data_segment_align_index_.
6680         (Script_sections::place_orphan): Rewrite to use
6681         Orphan_section_placement.
6683 2009-03-17  Ian Lance Taylor  <iant@google.com>
6685         * archive.cc (Archive::add_symbols): Check for a version attached
6686         to the symbol name in the archive map.
6687         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6688         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6689         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6690         (ver_test_11.a): New target.
6691         * testsuite/Makefile.in: Rebuild.
6693         * configure.ac: Check for chsize and posix_fallocate.  Replace
6694         ftruncate.
6695         * ftruncate.c: New file, from gnulib.
6696         * output.cc (posix_fallocate): Define dummy version if not
6697         HAVE_POSIX_FALLOCATE.
6698         (Output_file::map): Call posix_fallocate rather than lseek and
6699         write.
6700         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6701         * configure, Makefile.in, config.in: Rebuild.
6703 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6705         * layout.h (Layout::create_note): Add section_name parameter.
6706         * layout.cc (Layout::create_note): Likewise.
6707         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6709 2009-03-17  Ian Lance Taylor  <iant@google.com>
6711         * descriptors.cc: Include "options.h".
6712         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6713         (Descriptors::open): Always use O_CLOEXEC when opening a new
6714         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6715         then set FD_CLOEXEC.
6717         * sparc.cc (class Target_sparc): Add has_got_section.
6718         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6719         make sure we have a GOT section.
6721         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6722         (Target_sparc::Scan::local): Likewise.
6723         (Target_sparc::Scan::global): Likewise.
6724         (Target_sparc::Relocate::relocate): Likewise.
6725         (Target_sparc::Relocate::relocate_tls): Likewise.
6727         * symtab.cc (Symbol_table::define_default_version): New function,
6728         broken out of add_from_object.
6729         (Symbol_table::add_from_object): Call define_default_version.
6730         (Symbol_table::define_special_symbol): Add resolve_oldsym
6731         parameter.  Change all callers.  If the version for a symbol comes
6732         from a version script, resolve it with the symbol with the same
6733         name with no version.  Also add the symbol without a version if
6734         appropriate.
6735         (do_define_in_output_data): If resolving with oldsym, don't delete
6736         sym.
6737         (do_define_in_output_segment): Likewise.
6738         (do_define_as_constant): Likewise.
6739         * symtab.h (class Symbol_table): Update declarations.
6741 2009-03-13  Ian Lance Taylor  <iant@google.com>
6743         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6744         (Read_symbols::requeue): New function.
6745         (Read_symbols::do_read_symbols): If make_elf_object fails because
6746         the target type is not configured, and the file was searched for,
6747         issue a warning and retry with the next directory.
6748         (Add_symbols::run): If the file has an incompatible format, and
6749         it was searched for, requeue the Read_symbols task.  On error,
6750         release the object.
6751         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6752         dirindex parameter to constructor.  Change all callers.  Declare
6753         incompatible_warning and requeue.
6754         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6755         input_argument_ and input_group_ fields.  Add them to
6756         constructor.  Change all callers.
6757         (class Read_script): Add dirindex_ field.  Add it to constructor.
6758         Change all callers.
6759         * archive.cc (Archive::setup): Remove input_objects parameter.
6760         Change all callers.
6761         (Archive::get_file_and_offset): Likewise.
6762         (Archive::read_all_symbols): Likewise.
6763         (Archive::read_symbols): Likewise.
6764         (Archive::get_elf_object_for_member): Remove input_objects
6765         parameter.  Add punconfigured parameter.  Change all callers.
6766         (Archive::add_symbols): Change return type to bool.  Check return
6767         value of include_member.
6768         (Archive::include_all_members): Likewise.
6769         (Archive::include_member): Change return type to bool.  Return
6770         false if first included object has incompatible target.  Set
6771         included_member_ field.
6772         (Add_archive_symbols::run): If add_symbols returns false, requeue
6773         Read_symbols task.
6774         * archive.h (class Archive): Add included_member_ field.
6775         Initialize it in constructor.  Add input_file and searched_for
6776         methods.  Update declarations.
6777         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6778         input_argument_ fields.  Add them to constructor.  Change all
6779         callers.
6780         * script.cc: Include "target-select.h".
6781         (class Parser_closure): Add skip_on_incompatible_target_ and
6782         found_incompatible_target_ fields.  Add
6783         skip_on_incompatible_target parameter to constructor.  Change all
6784         callers.  Add methods skip_on_incompatible_target,
6785         clear_skip_on_incompatible_target, found_incompatible_target, and
6786         set_found_incompatible_target.
6787         (read_input_script): Add dirindex parameter.  Change all callers.
6788         If parser finds an incompatible target, requeue Read_symbols
6789         task.
6790         (script_set_symbol): Clear skip_on_incompatible_target in
6791         closure.
6792         (script_add_assertion, script_parse_option): Likewise.
6793         (script_start_sections, script_add_phdr): Likewise.
6794         (script_check_output_format): New function.
6795         * script.h (read_input_script): Update declaration.
6796         * script-c.h (script_check_output_format): Declare.
6797         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6798         (ignore_cmd): Remove OUTPUT_FORMAT.
6799         * fileread.cc (Input_file::Input_file): Add explicit this.
6800         (Input_file::will_search_for): New function.
6801         (Input_file::open): Add pindex parameter.  Change all callers.
6802         * fileread.h (class Input_file): Add input_file_argument method.
6803         Declare will_search_for.  Update declarations.
6804         * object.cc (make_elf_object): Add punconfigured parameter.
6805         Change all callers.
6806         * object.h (class Object): Make input_file public.  Add
6807         searched_for method.
6808         (make_elf_object): Update declaration.
6809         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6810         restart search.
6811         * dirsearch.h (class Dirsearch): Update declaration.
6812         * options.h (class General_options): Add --warn-search-mismatch.
6813         * parameters.cc (Parameters::is_compatible_target): New function.
6814         * parameters.h (class Parameters): Declare is_compatible_target.
6815         * workqueue.cc (Workqueue::add_blocker): New function.
6816         * workqueue.h (class Workqueue): Declare add_blocker.
6818         * fileread.cc (Input_file::open): Remove options parameter.
6819         Change all callers.
6820         (Input_file::open_binary): Likewise.
6821         * script.cc (read_input_script): Likewise.
6822         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6823         options parameter from constructor.  Change all callers.
6824         (class Read_script): Likewise.
6825         * fileread.h (class Input_file): Update declarations.
6826         * script.h (read_input_script): Update declaration.
6828 2009-03-10  Nick Clifton  <nickc@redhat.com>
6830         * po/es.po: New Spanish translation.
6832 2009-03-06  Cary Coutant  <ccoutant@google.com>
6834         * options.cc (parse_short_option): Keep dash_z from registering itself.
6836 2009-03-03  Ian Lance Taylor  <iant@google.com>
6838         PR 9918
6839         * target-reloc.h (relocate_section): Pass output_section to
6840         relocate.
6841         * i386.cc (Target_i386::should_apply_static_reloc): Add
6842         output_section parameter.  Change all callers.
6843         (Target_i386::Relocate::relocate): Add output_section parameter.
6844         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6845         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6846         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6847         * testsuite/two_file_shared.sh: New script.
6848         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6849         (check_DATA): Add two_file_shared.dbg.
6850         (two_file_shared.dbg): New target.
6851         * testsuite/Makefile.in: Rebuild.
6853 2009-03-01  Ian Lance Taylor  <iant@google.com>
6855         * configure.ac: Check for byteswap.h.
6856         * configure: Rebuild.
6857         * config.in: Rebuild.
6859 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6861         * layout.cc (Layout::find_or_add_kept_section): New function.
6862         (Layout::add_comdat): Removed.
6863         * layout.h (struct Kept_section): Move out of class Layout.
6864         Remove trailing underscores from field names.  Add group_sections
6865         field.  Rename group_ field to is_group.  Change all uses.
6866         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6867         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6868         comdat_groups_ field.
6869         (Sized_relobj::include_section_group): Use
6870         find_or_add_kept_section and Kept_section::group_sections.
6871         (Sized_relobj::include_linkonce_section): Likewise.
6872         * object.cc (class Sized_relobj): Don't define Comdat_group or
6873         Comdat_group_table.  Remove find_comdat_group and
6874         add_comdat_group.  Remove comdat_groups_ field.
6875         * plugin.cc (include_comdat_group): Use
6876         Layout::find_or_add_kept_section.
6878 2009-02-28  Ian Lance Taylor  <iant@google.com>
6880         * README: --gc-sections and map files are now supported.  Document
6881         some build requirements.
6883         PR 6992
6884         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6885         relocatable link set the value of the section symbol to zero.
6886         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
6887         relocatable link don't include the section address in the local
6888         symbol value.
6890 2009-02-27  Ian Lance Taylor  <iant@google.com>
6892         PR 6811
6893         * options.h (class Search_directory): Add is_system_directory.
6894         (class General_options): Declare is_in_system_directory.
6895         * options.cc (get_relative_sysroot): Make static.
6896         (get_default_sysroot): Make static.
6897         (General_optoins::is_in_system_directory): New function.
6898         * fileread.cc (Input_file::is_in_system_directory): New function.
6899         * fileread.h (class Input_file): Declare is_in_system_directory.
6900         * object.h (class Object): Add is_in_system_directory.
6901         (class Input_objects): Remove system_library_directory_ field.
6902         * object.cc (Input_objects::add_object): Don't set
6903         system_library_directory_.
6904         (input_objects::found_in_system_library_directory): Remove.
6905         * symtab.cc (Symbol_table::write_globals): Remove input_objects
6906         parameter.  Change all callers.
6907         (Symbol_table::sized_write_globals): Likewise.
6908         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
6909         Call Object::is_in_system_directory.
6910         * symtab.h (class Symbol_table): Update declarations.
6912         PR 5990
6913         * descriptors.h (Open_descriptor): Add is_on_stack field.
6914         * descriptors.cc (Descriptors::open): If the descriptor is on the
6915         top of the stack, remove it.  Initialize is_on_stack field.
6916         (Descriptors::release): Only add pod to stack if it is not on the
6917         stack already.
6918         (Descriptors::close_some_descriptor): Clear stack_next and
6919         is_on_stack fields.
6921         PR 7091
6922         * output.cc (Output_section::find_starting_output_address): Rename
6923         from starting_output_address; add PADDR parameter; change return
6924         type.
6925         * output.h (class Output_section): Declare
6926         find_starting_output_address instead of starting_output_address.
6927         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
6928         section symbol for which we can't find a merge section.
6930         PR 9836
6931         * symtab.cc (Symbol_table::add_from_object): If the visibility is
6932         hidden or internal, force the symbol to be local.
6933         * resolve.cc (Symbol::override_visibility): Define.
6934         (Symbol::override_base): Use override_visibility.
6935         (Symbol_table::resolve): Likewise.
6936         (Symbol::override_base_with_special): Likewise.
6937         (Symbol_table::override_with_special): If the visibility is hidden
6938         or internal, force the symbol to be local.
6939         * symtab.h (class Symbol): Add set_visibility and
6940         override_visibility.
6941         * testsuite/ver_test_1.sh: New file.
6942         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
6943         (check_DATA): Add ver_test_1.syms.
6944         (ver_test_1.syms): New target.
6945         * testsuite/Makefile.in: Rebuild.
6947 2009-02-25  Cary Coutant  <ccoutant@google.com>
6949         * layout.cc (Layout::choose_output_section): Don't rename sections
6950         when using a linker script that has a SECTIONS clause.
6951         * Makefile.in: Regenerate.
6953         * testsuite/Makefile.am (script_test_5.sh): New test case.
6954         * testsuite/Makefile.in: Regenerate.
6955         * testsuite/script_test_5.cc: New file.
6956         * testsuite/script_test_5.sh: New file.
6957         * testsuite/script_test_5.t: New file.
6959 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
6961         * archive.cc (Archive::include_member): Update calls to add_symbols.
6962         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
6963         the Layout argument.
6964         * dynobj.h (do_add_symbols): Add the Layout argument.
6965         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
6966         Layout argument.
6967         * object.h (Object::add_symbols): Add the Layout argument.
6968         (Object::do_add_symbols): Add the Layout argument.
6969         (Sized_relobj::do_add_symbols): Add the Layout argument.
6970         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
6971         Unify the two versions.
6972         (Add_plugin_symbols): Remove.
6973         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
6974         (Sized_pluginobj::do_add_symbols): Unify the two versions.
6975         (Add_plugin_symbols): Remove.
6976         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
6977         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
6978         (Add_symbols::run): Make it work with Pulginobj.
6980 2009-02-06  Ian Lance Taylor  <iant@google.com>
6982         * object.cc (Sized_relobj::do_layout): Make info message start
6983         with lower case letter.
6985 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
6987         * binary.cc: Fix file comment.
6989         * options.h (enum Incremental_disposition): Define.
6990         (class General_options): Add new options: --incremental,
6991         --incremental_changed, --incremental_unchanged,
6992         --incremental_unknown.  Add incremental_disposition_ and
6993         implicit_incremental_ fields.
6994         (General_options::incremental_disposition): New function.
6995         (class Position_dependent_options): Add incremental_disposition
6996         option.
6997         (Position_dependent_options::copy_from_options): Set incremental
6998         dispositions.
6999         * options.cc (General_options::parse_incremental_changed): New
7000         function.
7001         (General_options::parse_incremental_unchanged): New function.
7002         (General_options::parse_incremental_unknown): New function.
7003         (General_options::General_options): Initialize new fields
7004         incremental_disposition_ and implicit_incremental_.
7005         (General_options::finalize): Check for uasge of --incremental-*
7006         without --incremental.
7008 2009-02-06  Chris Demetriou  <cgd@google.com>
7010         * gold.h (gold_undefined_symbol): Change to take only a Symbol
7011         pointer and to report location as the file name associated with
7012         the symbol.
7013         (gold_undefined_symbol_at_location): New function to replace the
7014         old gold_undefined_symbol functionality.
7015         * target-reloc.h (relocate_section): Update to use
7016         gold_undefined_symbol_at_location.
7017         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7018         Call gold_undefined_symbol function rather than gold_error.
7019         * errors.h (Errors::undefined_symbol): Take location as a
7020         string, rather than calculating it from a relocation.
7021         * errors.cc (Errors::fatal): Print "fatal error:" before the
7022         formatted message.
7023         (Errors::error, Errors::error_at_location): Print "error: "
7024         before the formatted message.
7025         (Errors::undefined_symbol): Take location as a string, rather
7026         than calculating it from a relocation.
7027         (gold_undefined_symbol_at_location): New function akin to
7028         old gold_undefined_symbol, calculates location from relocation.
7029         (gold_undefined_symbol): Change to take only a Symbol pointer
7030         and to report location as the file name associated with the symbol.
7031         * testsuite/debug_msg.sh: Update for changed error messages.
7032         * testsuite/undef_symbol.sh: Likewise.
7034 2009-02-04  Duncan Sands  <baldrick@free.fr>
7036         PR 9812
7037         * reduced_debug_output.h
7038         (Output_reduced_debug_abbrev_section::failed): Use format for
7039         gold_warning.
7040         (Output_reduced_debug_info_section::faild): Likewise.
7042 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
7044         * script.cc (Lazy_demangler): New class.
7045         (Version_script_info::get_symbol_version_helper): Demangle a
7046         symbol only once.
7048 2009-01-29  Cary Coutant  <ccoutant@google.com>
7050         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
7051         to __tls_get_addr.
7052         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7054 2009-01-28  Ian Lance Taylor  <iant@google.com>
7056         * version.cc (version_string): Bump to 1.9.
7058         * gold.h: Include <cstring> and <stdint.h>.
7059         * version.cc: Include <cstdio>.
7060         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
7061         warning.
7062         * reduced_debug_output.cc (insert_into_vector): Rename from
7063         Insert_into_vector; change all callers.  Use Swap_unaligned to
7064         avoid aliasing issue; remove union since it is unnecessary.
7066 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
7068         * Makefile.am (CCFILES): Add gc.cc.
7069         (HFILES): Add gc.h.
7070         * Makefile.in: Regenerate.
7071         * gold.cc (Gc_runner): New class.
7072         (queue_initial_tasks): Call garbage collection related tasks
7073         when corresponding options are invoked.
7074         (queue_middle_gc_tasks): New function.
7075         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7076         processed early before laying out sections during garbage collection.
7077         * gold.h (queue_middle_gc_tasks): New function.
7078         (is_prefix_of): Move from "layout.cc".
7079         * i386.cc (Target_i386::gc_process_relocs): New function.
7080         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7081         * main.cc (main): Create object of class "Garbage_collection".
7082         * object.cc (Relobj::copy_symbols_data): New function.
7083         (Relobj::is_section_name_included): New function.
7084         (Sized_relobj::do_layout): Allow this function to be called twice
7085         during garbage collection and defer layout of section during the
7086         first call.
7087         * object.h (Relobj::get_symbols_data): New function.
7088         (Relobj::is_section_name_included): New function.
7089         (Relobj::copy_symbols_data): New function.
7090         (Relobj::set_symbols_data): New function.
7091         (Relobj::get_relocs_data): New function.
7092         (Relobj::set_relocs_data): New function.
7093         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7094         (Relobj::gc_process_relocs): New function.
7095         (Relobj::do_gc_process_relocs): New pure virtual function.
7096         (Relobj::sd_): New data member.
7097         (Sized_relobj::is_output_section_offset_invalid): New function.
7098         (Sized_relobj::do_gc_process_relocs): New function.
7099         * options.h (General_options::gc_sections): Modify to not be a no-op.
7100         (General_options::print_gc_sections): New option.
7101         * plugin.cc (Plugin_finish::run): Remove function call to
7102         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7103         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7104         * reloc.cc (Read_relocs::run): Add task to process relocs and
7105         determine unreferenced sections when doing garbage collection.
7106         (Gc_process_relocs): New class.
7107         (Sized_relobj::do_gc_process_relocs): New function.
7108         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7109         sections that are garbage collected.
7110         * reloc.h (Gc_process_relocs): New class.
7111         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7112         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7113         symbols whose corresponding sections are garbage collected.
7114         (Symbol_table::Symbol_table): Add new parameter for the garbage
7115         collection object.
7116         (Symbol_table::gc_mark_undef_symbols): New function.
7117         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7118         (Symbol_table::gc_mark_dyn_syms): New function.
7119         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7120         as garbage.
7121         (Symbol_table::add_from_object): Likewise.
7122         (Symbol_table::add_from_relobj): When building shared objects, do not
7123         treat externally visible symbols as garbage.
7124         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7125         table information for static and relocatable links.
7126         * symtab.h (Symbol_table::set_gc): New function.
7127         (Symbol_table::gc): New function.
7128         (Symbol_table::gc_mark_undef_symbols): New function.
7129         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7130         (Symbol_table::gc_mark_dyn_syms): New function.
7131         (Symbol_table::gc_): New data member.
7132         * target.h (Sized_target::gc_process_relocs): New pure virtual
7133         function.
7134         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7135         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7137 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7139         * options.h (General_options::gc_sections): Define as a no-op for now.
7140         (General_options::no_keep_memory): Ditto.
7141         (General_options::Bshareable): Define.
7142         * options.cc (General_options::finalize): Honor -Bshareable.
7144 2009-01-20  Andreas Schwab  <schwab@suse.de>
7146         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7147         read the value in the contents, since we don't use it.  Use the
7148         template endianness when writing.
7149         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7151 2009-01-19  Andreas Schwab  <schwab@suse.de>
7153         * configure.tgt (powerpc64-*): Fix targ_obj.
7155 2009-01-15  Ian Lance Taylor  <iant@google.com>
7157         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7158         local symbols when stripping all symbols.
7160 2009-01-14  Cary Coutant  <ccoutant@google.com>
7162         * output.cc (Output_reloc): Add explicit instantiations.
7164 2009-01-14  Cary Coutant  <ccoutant@google.com>
7166         * archive.cc (Archive::get_elf_object_for_member): Remove call
7167         to File_read::claim_for_plugin.
7168         * descriptors.cc (Descriptors::open): Remove reference to
7169         is_claimed.
7170         (Descriptors::claim_for_plugin): Remove.
7171         * descriptors.h (Descriptors::claim_for_plugin): Remove.
7172         (Descriptors::is_claimed): Remove.
7173         (claim_descriptor_for_plugin): Remove.
7174         * fileread.cc (File_read::claim_for_plugin): Remove.
7175         * fileread.h (File_read::claim_for_plugin): Remove.
7176         (File_read::descriptor): Reopen descriptor if necessary.
7177         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
7178         (Plugin_manager::all_symbols_read): Add task parameter. Change
7179         all callers.
7180         (Plugin_manager::get_input_file): New function.
7181         (Plugin_manager::release_input_file): New function.
7182         (Pluginobj::Pluginobj): Add filesize parameter and initialize
7183         corresponding data member.
7184         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
7185         and pass to base constructor. Change all callers.
7186         (get_input_file, release_input_file): New functions.
7187         (make_sized_plugin_object): Add filesize parameter. Change all callers.
7188         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
7189         (Plugin_manager::all_symbols_read): Add task parameter.
7190         (Plugin_manager::get_input_file): New function.
7191         (Plugin_manager::release_input_file): New function.
7192         (Plugin_manager::task_): New data member.
7193         (Pluginobj::Pluginobj): Add filesize parameter.
7194         (Pluginobj::filename): New function.
7195         (Pluginobj::descriptor): New function.
7196         (Pluginobj::filesize): New function.
7197         (Pluginobj::filesize_): New data member.
7198         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
7199         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
7200         File_read::claim_for_plugin; use Object::unlock to unlock the file.
7202         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
7203         with archive libraries.
7204         * testsuite/Makefile.in: Regenerate.
7205         * testsuite/plugin_test.c (struct sym_info): New type.
7206         (get_input_file, release_input_file): New static variables.
7207         (onload): Capture new transfer vector entries.
7208         (claim_file_hook): Stop reading at end of file according to filesize.
7209         Factor out parsing of readelf output into separate function.
7210         (all_symbols_read_hook): Exercise get_input_file and release_input_file
7211         APIs and get the source file name from the symbol table.  Convert
7212         source file name to corresponding object file name.  Print info
7213         message when adding new input files.
7214         (parse_readelf_line): New function.
7215         * testsuite/plugin_test_1.sh: Add checks for new info messages.
7216         * testsuite/plugin_test_2.sh: Likewise.
7217         * testsuite/plugin_test_3.sh: Likewise.
7218         * testsuite/plugin_test_4.sh: New test case.
7220 2009-01-07  Ian Lance Taylor  <iant@google.com>
7222         * version.cc (version_string): Bump to 1.8.
7224 2008-12-23  Cary Coutant  <ccoutant@google.com>
7226         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
7227         * plugin.cc (Plugin_manager::finish): Rename as
7228         layout_deferred_objects.  Move cleanup to separate function.
7229         (Plugin_manager::cleanup): New function.
7230         (Plugin_finish::run): Call layout_deferred_objects and cleanup
7231         separately.
7232         * plugin.h (Plugin_manager::finish): Rename as
7233         layout_deferred_objects.
7234         (Plugin_manager::cleanup): New function.
7235         (Plugin_manager::cleanup_done): New field.
7237 2008-12-23  Cary Coutant  <ccoutant@google.com>
7239         * plugin.cc (is_visible_from_outside): New function.
7240         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
7241         so we don't return "IR only" status for exported symbols or -r links.
7243         * testsuite/Makefile.am (plugin_test_3): New test case.
7244         * testsuite/Makefile.in: Regenerate.
7245         * testsuite/plugin_test_3.sh: New file.
7247 2008-12-22  Cary Coutant  <ccoutant@google.com>
7249         * object.cc (Sized_relobj::layout_section): New function.
7250         (Sized_relobj::do_layout): Defer layout of input sections until after
7251         plugin has provided replacement files.
7252         (Sized_relobj::do_layout_deferred_sections): New function.
7253         * object.h (Relobj::set_section_offset): Remove virtual keyword.
7254         (Relobj::layout_deferred_sections): New function.
7255         (Relobj::do_layout_deferred_sections): New function.
7256         (Sized_relobj::do_layout_deferred_sections): New function.
7257         (Sized_relobj::layout_section): New function.
7258         (Sized_relobj::Deferred_layout): New structure.
7259         (Sized_relobj::deferred_layout_): New field.
7260         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
7261         Change all callers.  Layout deferred sections.
7262         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
7263         references.
7264         (Plugin_hook::run): Move code from do_plugin_hook inline.
7265         (Plugin_hook::do_plugin_hook): Remove.
7266         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
7267         (Plugin_manager::finish): Renamed, was cleanup.
7268         (Plugin_manager::should_defer_layout): New function.
7269         (Plugin_manager::add_deferred_layout_object): New function.
7270         (Plugin_manager::Deferred_layout_list): New type.
7271         (Plugin_manager::deferred_layout_objects_): New field.
7272         (Plugin_hook::do_plugin_hook): Remove.
7274 2008-12-17  Ian Lance Taylor  <iant@google.com>
7276         * options.h (class General_options): Add --no case for
7277         --export-dynamic.
7279 2008-12-16  Cary Coutant  <ccoutant@google.com>
7281         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
7282         vector.
7283         (Plugin_manager::claim_file): Create plugin object even if
7284         plugin did not call the add_symbols callback.
7285         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
7286         asking for more symbols than were added.
7287         * testsuite/Makefile.am (plugin_test_1): Add test case with
7288         no global symbols.
7289         (empty.syms): New target.
7290         * testsuite/Makefile.in: Regenerate.
7291         * testsuite/plugin_test.c (claim_file_hook): Add new debug
7292         message. Don't call add_symbols if no globals.
7293         (all_symbols_read_hook): Don't provide replacement for empty
7294         claimed file.
7296 2008-12-12  Ian Lance Taylor  <iant@google.com>
7298         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
7299         r_type == 0 for a local symbol with r_sym == 0.
7300         (scan_relocatable_relocs): Pass r_sym to
7301         local_non_section_strategy.
7302         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
7303         r_sym parameter.
7305         * configure.ac: Update test for TLS descriptors: they are
7306         supported as of glibc 2.9.
7307         * configure: Rebuild.
7309 2008-12-11  Ian Lance Taylor  <iant@google.com>
7311         PR 7091
7312         * target-reloc.h (Default_scan_relocatable_relocs): For each
7313         function, map r_type == 0 to RELOC_DISCARD.
7315 2008-12-10  Cary Coutant  <ccoutant@google.com>
7317         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
7318         object to override a kept COMDAT group from a plugin object.
7320 2008-12-09  Ian Lance Taylor  <iant@google.com>
7322         PR 7088
7323         * yyscript.y (file_cmd): Handle INPUT.
7325         * testsuite/initpri1.c: Change all declarations to be full
7326         prototypes by adding void, to avoid compiler warnings.
7328 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7330         * options.cc (General_options::parse_plugin_opt): New.
7331         (General_options::add_plugin): The argument now is just the filename.
7332         (General_options::add_plugin_option): New.
7333         * options.h (plugin_opt): New.
7334         (add_plugin): Change argument name.
7335         (add_plugin_option): New.
7336         * plugin.cc (Plugin::load): Don't parse the plugin option.
7337         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7338         (Plugin::add_option): New.
7339         (Plugin::args_): Change type.
7340         (Plugin::filename_): New.
7341         (Plugin_manager::add_plugin_option): New.
7342         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7343         * testsuite/Makefile.in: Regenerate.
7345 2008-12-05  Cary Coutant  <ccoutant@google.com>
7347         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7348         Handle --strip-lto-sections option.
7349         * options.h (strip_lto_sections): New option.
7351 2008-12-01  Cary Coutant  <ccoutant@google.com>
7353         * plugin.cc (ld_plugin_message): Change format parameter to const.
7354         Fix mismatch between new[] and delete.
7356 2008-11-14  Cary Coutant  <ccoutant@google.com>
7358         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7359         instead of -1U.
7361 2008-11-05  Craig Silverstein  <csilvers@google.com>
7363         * options.cc (General_options::parse_dynamic_list): New function.
7364         * options.h (General_options): New flags dynamic_list,
7365         dynamic_list_data, dynamic_list_cpp_new, and
7366         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7367         (General_options::in_dynamic_list): New function.
7368         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7369         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7370         (Lex::can_continue_name): Likewise.
7371         (yylex): Likewise.
7372         (read_script_file): New parameter script_options.
7373         (read_dynamic_list): New function.
7374         (Script_options::define_dynamic_list): New function.
7375         (dynamic_list_keyword_parsecodes): New variable.
7376         (dynamic_list_keywords): New variable.
7377         * script.h (Script_options::define_dynamic_list): New function
7378         prototype.
7379         (read_dynamic_list): New function prototype.
7380         * symtab.cc (strprefix): New macro.
7381         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7382         dynamic_list_data, dynamic_list_cpp_new, and
7383         dynamic_list_cpp_typeinfo.
7384         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7385         (dynamic_list_expr): New rule.
7386         (dynamic_list_nodes): Likewise.
7387         (dynamic_list_node): Likewise.
7388         * testsuite/Makefile.am (dynamic_list): New test.
7389         * testsuite/Makefile.in: Regenerated.
7390         * testsuite/dynamic_list.t: New file.
7391         * testsuite/dynamic_list.sh: New file.
7393 2008-11-05  Craig Silverstein  <csilvers@google.com>
7395         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7396         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7397         (t11_last): Likewise.
7398         * testsuite/ver_test_6.c (main): Likewise.
7400 2008-10-07  Cary Coutant  <ccoutant@google.com>
7402         * options.c (General_options::finalize): Add check for -static and
7403         -shared.
7404         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7405         is not empty.
7407 2008-10-02  Cary Coutant  <ccoutant@google.com>
7409         * plugin.cc (make_sized_plugin_object): Fix conditional
7410         compilation to work when not all targets are enabled.
7412 2008-09-29  Cary Coutant  <ccoutant@google.com>
7414         * archive.cc (Archive::get_file_and_offset): Use filename instead
7415         of name to get library path.
7416         (Archive::include_member): Unlock external member of a thin archive.
7418         * testsuite/Makefile.am (TEST_AR): New variable.
7419         (thin_archive_test_1): New test.
7420         (thin_archive_test_2): New test.
7421         * testsuite/Makefile.in: Regenerate.
7422         * testsuite/thin_archive_main.cc: New file.
7423         * testsuite/thin_archive_test_1.cc: New file.
7424         * testsuite/thin_archive_test_2.cc: New file.
7425         * testsuite/thin_archive_test_3.cc: New file.
7426         * testsuite/thin_archive_test_4.cc: New file.
7428 2008-09-29  Cary Coutant  <ccoutant@google.com>
7430         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7431         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7432         instead of -1U.
7433         (Sized_relobj::do_finalize_local_symbols): Likewise.
7434         (Sized_relobj::map_to_kept_section): Likewise.
7435         * object.h (Sized_relobj::invalid_address): New constant.
7436         (Sized_relobj::do_output_section_offset): Check for invalid_address
7437         and return -1ULL.
7438         * output.cc (Output_reloc::local_section_offset): Use constant
7439         invalid_address instead of -1U.
7440         (Output_reloc::get_address): Likewise.
7441         (Output_section::output_address): Change -1U to -1ULL.
7442         * output.h (Output_reloc::invalid_address): New constant.
7443         * reloc.cc (Sized_relobj::write_sections): Use constant
7444         invalid_address instead of -1U.
7445         (Sized_relobj::relocate_sections): Likewise.
7446         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7447         values for merge sections.
7448         * target-reloc.h (relocate_for_relocatable): Use constant
7449         invalid_address instead of -1U.
7451 2008-09-19  Cary Coutant  <ccoutant@google.com>
7453         Add plugin functionality for link-time optimization (LTO).
7454         * configure.ac (plugins): Add --enable-plugins option.
7455         * configure: Regenerate.
7456         * config.in: Regenerate.
7457         * Makefile.am (LIBDL): New variable.
7458         (CCFILES): Add plugin.cc.
7459         (HFILES): Add plugin.h.
7460         (ldadd_var): Add LIBDL.
7461         * Makefile.in: Regenerate.
7463         * archive.cc: Include "plugin.h".
7464         (Archive::setup): Don't preread archive symbols when using a plugin.
7465         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7466         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7467         files.
7468         (Archive::include_member): Add symbols from plugin objects.
7469         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7470         * descriptors.cc (Descriptors::open): Check for file descriptors
7471         abandoned by plugins.
7472         (Descriptors::claim_for_plugin): New function.
7473         * descriptors.h (Descriptors::claim_for_plugin): New function.
7474         (Open_descriptor::is_claimed): New field.
7475         (claim_descriptor_for_plugin): New function.
7476         * fileread.cc (File_read::claim_for_plugin): New function.
7477         * fileread.h (File_read::claim_for_plugin): New function.
7478         (File_read::descriptor): New function.
7479         * gold.cc: Include "plugin.h".
7480         (queue_initial_tasks): Add task to call plugin hooks for generating
7481         new object files.
7482         * main.cc: Include "plugin.h".
7483         (main): Load plugin libraries.
7484         * object.h (Pluginobj): Declare.
7485         (Object::pluginobj): New function.
7486         (Object::do_pluginobj): New function.
7487         (Object::set_target): New function.
7488         * options.cc: Include "plugin.h".
7489         (General_options::parse_plugin): New function.
7490         (General_options::General_options): Initialize plugins_ field.
7491         (General_options::add_plugin): New function.
7492         * options.h (Plugin_manager): Declare.
7493         (General_options): Add --plugin option.
7494         (General_options::has_plugins): New function.
7495         (General_options::plugins): New function.
7496         (General_options::add_plugin): New function.
7497         (General_options::plugins_): New field.
7498         * plugin.cc: New file.
7499         * plugin.h: New file.
7500         * readsyms.cc: Include "plugin.h".
7501         (Read_symbols::do_read_symbols): Check for archive before checking
7502         for ELF file.  Call plugin hooks to claim files.
7503         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7504         from a real object file; force override when processing replacement
7505         files.
7506         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7507         (Symbol::init_base_object): Likewise.
7508         (Symbol::init_base_output_data): Likewise.
7509         (Symbol::init_base_output_segment): Likewise.
7510         (Symbol::init_base_constant): Likewise.
7511         (Symbol::init_base_undefined): Likewise.
7512         (Symbol::output_section): Assert that object is not a plugin.
7513         (Symbol_table::add_from_pluginobj): New function.
7514         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7515         undefined.
7516         (Symbol_table::sized_write_globals): Likewise.
7517         (Symbol_table::add_from_pluginobj): Instantiate template.
7518         * symtab.h (Sized_pluginobj): Declare.
7519         (Symbol::in_real_elf): New function.
7520         (Symbol::set_in_real_elf): New function.
7521         (Symbol::in_real_elf_): New field.
7522         (Symbol_table::add_from_pluginobj): New function.
7524         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7525         (LIBDL): New variable.
7526         (LDADD): Add LIBDL.
7527         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7528         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7529         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7530         (MOSTLYCLEANFILES): Likewise.
7531         * testsuite/Makefile.in: Regenerate.
7532         * testsuite/plugin_test.c: New file.
7533         * testsuite/plugin_test_1.sh: New file.
7534         * testsuite/plugin_test_2.sh: New file.
7536 2008-09-16  Ian Lance Taylor  <iant@google.com>
7538         * target-reloc.h (relocate_section): Check whether a symbol is
7539         defined by the ABI before reporting an undefined symbol error.
7540         * target.h (Target::is_defined_by_abi): Make parameter const.
7541         (Target::do_is_defined_by_abi): Likewise.
7542         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7543         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7544         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7545         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7546         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7547         * testsuite/Makefile.in: Rebuild.
7549         * fileread.cc (make_view): Add casts to avoid warning.
7551 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7553         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7554         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7556 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7558         * options.h (General_options::output_is_executable): New.
7559         (General_options::output_is_pie): New.
7560         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7561         for shared libraries.
7562         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7564 2008-09-11  Chris Demetriou  <cgd@google.com>
7566         * options.h (origin): New -z option.
7567         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7568         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7569         in DT_FLAGS_1.
7571 2008-09-05  Cary Coutant  <ccoutant@google.com>
7573         * fileread.cc (File_read::make_view): Add check for attempt to map
7574         beyond end of file.
7576 2008-09-05  Cary Coutant  <ccoutant@google.com>
7578         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7579         explicit instantiations.
7581 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7583         PR gold/6858
7584         * options.cc (General_options::finalize): Allow undefined symbols
7585         in shlibs if linking -shared.
7587         PR gold/6859
7588         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7589         symbols as not needing a dynsym entry.
7591 2008-08-20  Craig Silverstein  <csilvers@google.com>
7593         * fileread.cc (File_read::open): Do not lock the file unless it
7594         was successfully opened.
7596 2008-08-14  Cary Coutant  <ccoutant@google.com>
7598         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7599         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7600         * testsuite/tls_test.cc (struct int128): 128-bit struct
7601         for testing TLS relocs with non-zero addend.
7602         (v12): New TLS variable.
7603         (t12): New test.
7604         (t_last): Add check for v12.
7605         * testsuite/tls_test.h (t12): New function.
7606         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7608 2008-08-13  Ian Lance Taylor  <iant@google.com>
7610         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7611         set tls_segment_ or relro_segment_.
7612         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7613         when appropriate.
7614         * output.h (Output_section::clear_is_relro): New function.
7615         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7616         sections specially even when output_data_ is empty.
7617         (Output_segment::maximum_alignment): When first section is relro,
7618         only force alignment for PT_LOAD segments.
7619         * script.cc (script_data_segment_align): New function.
7620         (script_data_segment_relro_end): New function.
7621         * script-c.h (script_data_segment_align): Declare.
7622         (script_data_segment_relro_end): Declare.
7623         * script-sections.h (class Script_sections): Declare
7624         data_segment_align and data_segment_relro_end.  Add fields
7625         segment_align_index_ and saw_relro_end_.
7626         * script-sections.cc (class Sections_element): Add set_is_relro
7627         virtual function.  Add new bool* parameter to place_orphan_here.
7628         Add get_output_section virtual function.
7629         (class Output_section_definition): Add set_is_relro.  Add new
7630         bool* parameter to place_orphan_here.  Add get_output_section.
7631         Add is_relro_ field.
7632         (Output_section_definition::Output_section_definition): Initialize
7633         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7634         and is_relro_ fields.
7635         (Output_section_definition::place_orphan_here): Add is_relro
7636         parameter.
7637         (Output_section_definition::set_section_addresses): Set relro for
7638         output section.
7639         (Output_section_definition::alternate_constraint): Likewise.
7640         (class Orphan_output_section): Add new bool* parameter to
7641         place_orphan_here.  Add get_output_section.
7642         (Orphan_output_section::place_orphan_here): Add is_relro
7643         parameter.
7644         (Script_sections::Script_sections): Initialize
7645         data_segment_align_index_ and saw_relro_end_.
7646         (Script_sections::data_segment_align): New function.
7647         (Script_sections::data_segment_relro_end): New function.
7648         (Script_sections::place_orphan): Set or clear is_relro.
7649         (Script_sections::set_section_addresses): Force alignment of first
7650         TLS section.
7651         * yyscript.y (exp): Call script_data_segment_align and
7652         script_data_segment_relro_end.
7653         * testsuite/relro_script_test.t: New file.
7654         * testsuite/relro_test.cc (using_script): Declare.
7655         (t1, t2): Test using_script.
7656         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7657         (relro_script_test_SOURCES): Define.
7658         (relro_script_test_DEPENDENCIES): Define.
7659         (relro_script_test_LDFLAGS): Define.
7660         (relro_script_test_LDADD): Define.
7661         (relro_script_test.so): New target.
7662         * testsuite/Makefile.in: Rebuild.
7664 2008-08-06  Cary Coutant <ccoutant@google.com>
7666         * archive.cc (Archive::total_archives, Archive::total_members)
7667         (Archive::total_members_loaded): New variables.
7668         (Archive::setup): Add parameter.  Add option to preread
7669         archive symbols.
7670         (Archive::read_armap): Add counter.
7671         (Archive::get_file_and_offset): New function.
7672         (Archive::get_elf_object_for_member): New function.
7673         (Archive::read_all_symbols): New function.
7674         (Archive::read_symbols): New function.
7675         (Archive::add_symbols): Add counters.
7676         (Archive::include_all_members): Use armap to find members if it's
7677         already built.
7678         (Archive::include_member): Skip reading symbols if already read.
7679         Factored code into Archive::get_file_and_offset and
7680         Archive::get_elf_object_for_member.  Changed call to
7681         Mapfile::report_include_archive_member.
7682         (Archive::print_stats): New function.
7683         * archive.h: Declare Object and Read_symbols_data classes.
7684         (Archive::Archive): Add initializers for new members.
7685         (Archive::setup): Add parameter.
7686         (Archive::print_stats): New function.
7687         (Archive::total_archives, Archive::total_members)
7688         (Archive::total_members_loaded): New variables.
7689         (Archive::get_file_and_offset): New function.
7690         (Archive::get_elf_object_for_member): New function.
7691         (Archive::read_all_symbols): New function.
7692         (Archive::read_symbols): New function.
7693         (Archive::Archive_member): New class.
7694         (Archive::members_): New member.
7695         (Archive::num_members_): New member.
7696         * main.cc: Include archive.h.
7697         (main): Call Archive::print_stats.
7698         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7699         archive parameter; member_name is now the fully-decorated name.
7700         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7701         * options.h: (General_options): Add --preread-archive-symbols option.
7702         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7703         Archive::setup.
7705 2008-08-04  Ian Lance Taylor  <iant@google.com>
7707         * symtab.h (Symbol::use_plt_offset): New function.
7708         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7709         * powerpc.cc (Relocate::relocate): Likewise.
7710         * sparc.cc (Relocate::relocate): Likewise.
7711         * x86_64.cc (Relocate::relocate): Likewise.
7712         * testsuite/weak_plt.sh: New test.
7713         * testsuite/weak_plt_main.cc: New test.
7714         * testsuite/weak_plt_shared.cc: New test.
7715         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7716         (check_PROGRAMS): Add weak_plt.
7717         (check_DATA): Add weak_plt_shared.so.
7718         (weak_plt_main_pic.o, weak_plt): New targets.
7719         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7720         * testsuite/Makefile.in: Rebuild.
7722         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7723         gcctestdir/ld.
7724         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7725         * testsuite/Makefile.in: Rebuild.
7727 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7729         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7730         * Makefile.in: Regenerate.
7731         * po/POTFILES.in: Regenerate.
7733 2008-07-29  Ian Lance Taylor  <iant@google.com>
7735         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7736         symbols before other symbols.
7737         * testsuite/script_test_2.cc (test_addr): Declare.
7738         (test_addr_alias): Declare.
7739         (main): Check that test_addr and test_addr_alias have the right
7740         values.
7741         * testsuite/script_test_2.t: Define test_addr_alias and
7742         test_addr.
7744 2008-07-24  Ian Lance Taylor  <iant@google.com>
7746         PR 5990
7747         * descriptors.cc: New file.
7748         * descriptors.h: New file.
7749         * gold-threads.h (class Hold_optional_lock): New class.
7750         * fileread.cc: Include "descriptors.h".
7751         (File_read::~File_read): Release descriptor rather than closing
7752         it.
7753         (File_read::open) [file]: Call open_descriptor rather than open.
7754         Set is_descriptor_opened_.
7755         (File_read::open) [memory]: Assert that descriptor is not open.
7756         (File_read::reopen_descriptor): New function.
7757         (File_read::release): Release descriptor.
7758         (File_read::do_read): Make non-const.  Reopen descriptor.
7759         (File_read::read): Make non-const.
7760         (File_read::make_view): Reopen descriptor.
7761         (File_read::do_readv): Likewise.
7762         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7763         Update declarations.
7764         * layout.cc: Include "descriptors.h".
7765         (Layout::create_build_id): Use open_descriptor rather than open.
7766         * output.cc: Include "descriptors.h".
7767         (Output_file::open): Use open_descriptor rather than open.
7768         * archive.cc (Archive::const_iterator): Change Archive to be
7769         non-const.
7770         (Archive::begin, Archive::end): Make non-const.
7771         (Archive::count_members): Likewise.
7772         * archive.h (class Archive): Update declarations.
7773         * object.h (Object::read): Make non-const.
7774         * Makefile.am (CCFILES): Add descriptors.cc.
7775         (HFILES): Add descriptors.h.
7776         * Makefile.in: Rebuild.
7778         PR 6716
7779         * gold.h: Always include <clocale>.  Add Solaris workarounds
7780         following code in binutils/sysdep.h.
7782         PR 6048
7783         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7784         this->eh_frame_hdr_ is NULL before using it.
7786         * dynobj.cc (Versions::Versions): Update comment.
7788         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7789         the base version name.
7791         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7792         array size plus one.
7793         (Stringpool_template::set_string_offsets): Subtract one from key
7794         before using it as an array index.
7795         (Stringpool_template::get_offset_with_length): Likewise.
7796         (Stringpool_template::write_to_buffer): Likewise.
7797         * stringpool.h (Stringpool_template::get_offset_from_key):
7798         Likewise.
7800 2008-07-23  Ian Lance Taylor  <iant@google.com>
7802         PR 6658
7803         * object.h (Merged_symbol_value::value): Do our best to handle a
7804         negative addend.
7806         PR 6647
7807         * script.cc (Version_script_info::get_versions): Don't add empty
7808         version tag to return value.
7809         (Version_script_info::get_symbol_version_helper): Change return
7810         type to bool.  Add pversion parameter.  Change all callers.
7811         (script_register_vers_node): Don't require a non-NULL tag.
7812         * script.h (class Version_script_info): Update declarations.
7813         (Version_script_info::get_symbol_version): Change return type to
7814         bool.  Add version parameter.  Change all callers.
7815         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7816         handling.  Handle an empty version from a version script.
7817         (Symbol_table::define_special_symbol): Likewise.
7818         * testsuite/ver_test_10.script: New file.
7819         * testsuite/ver_test_10.sh: New file.
7820         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7821         (check_DATA): Add ver_test_10.syms.
7822         (ver_test_10.syms, ver_test_10.so): New target.
7823         * testsuite/Makefile.in: Rebuild.
7825 2008-07-23  Simon Baldwin  <simonb@google.com>
7827         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7828         to zero for undefined symbols from dynamic libraries.
7830 2008-07-23  Ian Lance Taylor  <iant@google.com>
7832         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7833         Change all callers.
7834         * symtab.h (class Symbol_table): Update declaration.
7835         * testsuite/ver_test_9.cc: New file.
7836         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7837         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7838         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7839         (ver_test_9.so, ver_test_9.o): New targets.
7840         * testsuite/Makefile.in: Rebuild.
7842 2008-07-22  Ian Lance Taylor  <iant@google.com>
7844         * options.h (class General_options): Define --check-sections.
7845         * layout.cc (Layout::set_segment_offsets): Handle
7846         --check-sections.
7848         * options.h (class General_options): Define -n/--nmagic and
7849         -N/--omagic.
7850         * options.cc (General_options::finalize): For -n/--nmagic or
7851         -N/--omagic, set -static.
7852         * layout.cc (Layout::attach_allocated_section_to_segment): If
7853         -N/--omagic, don't put read-only and read-write sections in
7854         different segments.
7855         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7856         finding a read-only segment.
7857         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7858         don't set the minimum segment alignment to the common page size,
7859         and don't set the file offset to the address modulo the page size.
7860         * script-sections.cc (Script_sections::create_segments): If
7861         -n/--omagic, don't put read-only and read-write sections in
7862         different segments.
7864         * cref.cc: New file.
7865         * cref.h: New file.
7866         * options.h (class General_options): Add --print-symbol-counts.
7867         * main.cc (main): Issue defined symbol report if requested.
7868         * archive.cc (Archive::interpret_header): Make into a const member
7869         function.
7870         (Archive::add_symbols): Call Input_objects::archive_start and
7871         archive_stop.
7872         (Archive::const_iterator): Define new class.
7873         (Archive::begin, Archive::end): New functions.
7874         (Archive::include_all_members): Rewrite to use iterator.
7875         (Archive::count_members): New function.
7876         * archive.h (class Archive): Update declarations.
7877         (Archive::filename): New function.
7878         * object.cc: Include "cref.h".
7879         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7880         (Sized_relobj::do_get_global_symbol_counts): New function.
7881         (Input_objects::add_object): Add object to cross-referencer.
7882         (Input_objects::archive_start): New function.
7883         (Input_objects::archive_stop): New function.
7884         (Input_objects::print_symbol_counts): New function.
7885         * object.h: Declare Cref and Archive.
7886         (Object::get_global_symbol_counts): New function.
7887         (Object::do_get_global_symbol_counts): New pure virtual function.
7888         (class Sized_relobj): Add defined_count_ field.  Update
7889         declarations.
7890         (class Input_objects): Add cref_ field.  Update constructor.
7891         Update declarations.
7892         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
7893         defined_count_.
7894         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
7895         symbol counts.
7896         (Sized_dynobj::do_get_global_symbol_counts): New function.
7897         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
7898         defined_count_.  Update declarations.  Define Symbols typedef.
7899         * symtab.cc (Symbol_table::add_from_relobj): Add defined
7900         parameter.  Change all callers.
7901         (Symbol_table::add_from_dynobj): Add sympointers and defined
7902         parameters.  Change all callers.
7903         * symtab.h (class Symbol_table): Update declarations.
7904         * Makefile.am (CCFILES): Add cref.cc.
7905         (HFILES): Add cref.h.
7906         * Makefile.in: Rebuild.
7908 2008-07-22  Simon Baldwin  <simonb@google.com>
7910         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
7911         to zero when writing undefined symbols.
7913 2008-07-22  Ian Lance Taylor  <iant@google.com>
7915         * output.cc (Output_section::add_input_section): Don't try to
7916         merge empty merge sections.
7918 2008-07-21  Craig Silverstein  <csilvers@google.com>
7920         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7921         Include symbol version in error message.
7923 2008-07-20  Chris Demetriou  <cgd@google.com>
7925         * configure.ac (gold_cv_c_random_seed): New configured variable.
7926         (RANDOM_SEED_CFLAGS): New substituted variable.
7927         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
7928         * configure: Rebuild.
7929         * Makefile.in: Likewise.
7930         * testsuite/Makefile.in: Likewise.
7932 2008-07-18  Ian Lance Taylor  <iant@google.com>
7934         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
7935         where we see NAME/NULL and NAME/VERSION  as separate symbols.
7936         * testsuite/ver_test_main.cc (main): Call t4.
7937         (t4, t4_2a): Define.
7938         * testsuite/ver_test_2.cc (t4_2): Define.
7939         * testsuite/ver_test_2.script: Put t4_2a in VER2.
7940         * testsuite/ver_test_4.cc (t4_2a): Define.
7941         * testsuite/ver_test_4.script: Put t4_2a in VER2.
7942         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
7944 2008-07-17  Ian Lance Taylor  <iant@google.com>
7946         * dynobj.cc (Versions::add_def): If we give an error about a
7947         missing version, go ahead and create the version anyhow.
7949 2008-07-10  Ian Lance Taylor  <iant@google.com>
7951         Handle output sections with more than 0x7fffffff bytes.
7952         * object.h (class Relobj): Change map_to_output_ to
7953         output_sections_, and just keep a section pointer.  Change all
7954         uses.  Move comdat group support to Sized_relobj.
7955         (Relobj::is_section_specially_mapped): Remove.
7956         (Relobj::output_section): Remove poff parameter.  Change all
7957         callers.
7958         (Relobj::output_section_offset): New function.
7959         (Relobj::set_section_offset): Rewrite.
7960         (Relobj::map_to_output): Remove.
7961         (Relobj::output_sections): New function.
7962         (Relobj::do_output_section_offset): New pure virtual function.
7963         (Relobj::do_set_section_offset): Likewise.
7964         (class Sized_relobj): Add section_offsets_ field.  Add comdat
7965         group support from Relobj.  Update declarations.
7966         (Sized_relobj::get_output_section_offset): New function.
7967         (Sized_relobj::do_output_section_offset): New function.
7968         (Sized_relobj::do_set_section_offset): New function.
7969         * object.cc (Relobj::output_section_address): Remove.
7970         (Sized_relobj::Sized_relobj): Initialize new fields.
7971         (Sized_relobj::include_section_group): Cast find_kept_object to
7972         Sized_relobj.
7973         (Sized_relobj::include_linkonce_section): Likewise.
7974         (Sized_relobj::do_layout): Use separate arrays for output section
7975         and output offset.
7976         (Sized_relobj::do_count_local_symbols): Change map_to_output to
7977         output_sections.
7978         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
7979         output_sections and section_offsets.
7980         (Sized_relobj::write_local_symbols): Likewise.
7981         (map_to_kept_section): Compute output address directly.
7982         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
7983         output_sections and section_offsets.
7984         (Sized_relobj::write_sections): Likewise.
7985         (Sized_relobj::relocate_sections): Likewise.
7986         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
7987         * output.h (class Output_reloc): Update declarations.  Change
7988         u2_.relobj to Sized_relobj*.
7989         (class Output_data_reloc): Change add functions to use
7990         Sized_relobj*.
7991         * output.cc (Output_reloc::Output_reloc): Change relobj to
7992         Sized_relobj*.
7993         (Output_reloc::local_section_offset): Change return type to
7994         Elf_Addr.  Use get_output_section_offset.
7995         (Output_reloc::get_address): Likewise.
7996         (Output_section::is_input_address_mapped): Don't call
7997         is_section_specially_mapped.
7998         (Output_section::output_offset): Likewise.
7999         (Output_section::output_address): Likewise.
8000         (Output_section::starting_output_address): Likewise.
8001         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
8002         parameter to Sized_relobj*.
8003         (Copy_relocs::need_copy_reloc): Likewise.
8004         (Copy_relocs::save): Likewise.
8005         * copy-relocs.h (class Copy_relocs): Update declarations.
8006         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
8007         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
8008         * target-reloc.h (relocate_for_relocatable): Change
8009         offset_in_output_section type to Elf_Addr.  Change code that uses
8010         it as well.
8011         * layout.cc (Layout::layout): Always set *off.
8012         * mapfile.cc (Mapfile::print_input_section): Use
8013         output_section_offset.
8014         * i386.cc (Target_i386::copy_reloc): Change object parameter to
8015         Sized_relobj*.
8016         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
8017         * sparc.cc (Target_sparc::copy_reloc): Likewise.
8018         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
8020 2008-07-03  Ian Lance Taylor  <iant@google.com>
8022         * layout.cc (Layout::include_section): Do not discard unrecognized
8023         SHT_STRTAB sections.
8025 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
8027         * script.cc (Lex::can_continue_name): Make '?' allowable in
8028         version-script names.
8029         * testsuite/version_script.map: Change glob pattern to use '?'
8031 2008-06-30  Manish Singh  <yosh@gimp.org>
8033         PR 6585
8034         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
8035         Correct typo.
8037 2008-06-30  Ian Lance Taylor  <iant@google.com>
8039         PR 6660
8040         PR 6682
8041         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
8042         versions]: Don't try to read the value in the contents, since we
8043         don't use it.  Use the template endianness when writing.
8045 2008-06-25  Cary Coutant  <ccoutant@google.com>
8047         * fileread.cc (File_read::make_view): Assert on zero-length view.
8048         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
8049         symbol table when there are no symbols to read.
8051 2008-06-23  Craig Silverstein  <csilvers@google.com>
8053         * version.cc (version_string): Bump to 1.7
8055 2008-06-18  Craig Silverstein  <csilvers@google.com>
8057         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
8058         constant 0xFFFF to type Valtype.
8059         (Powerpc_relocate_functions::rel16_ha): Likewise.
8061 2008-06-17  Ian Lance Taylor  <iant@google.com>
8063         * output.h (Output_section::Input_section): Initialize p2align_ to
8064         zero for Output_section_data constructors.
8065         (Output_section::Input_section::addralign): If not an input
8066         section, return the alignment of the Output_section_data.
8067         * testsuite/copy_test.cc: New file.
8068         * testsuite/copy_test_1.cc: New file.
8069         * testsuite/copy_test_2.cc: New file.
8070         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8071         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8072         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8073         (copy_test_1_pic.o, copy_test_1.so): New targets.
8074         (copy_test_2_pic.o, copy_test_2.so): New targets.
8075         * testsuite/Makefile.in: Rebuild.
8077         * script-sections.cc (Script_sections::place_orphan): Initialize
8078         local variable exact.
8080 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8082         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8084 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8085             David S. Miller  <davem@davemloft.net>
8087         * powerpc.cc: New file.
8088         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8089         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8090         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8091         * Makefile.in: Rebuild.
8093 2008-06-09  Ian Lance Taylor  <iant@google.com>
8095         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8096         <exception>.
8097         (throwing, orig_terminate): New static variables.
8098         (terminate_handler): New static function.
8099         (t2): Set terminate handler.
8101 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8103         PR 6584
8104         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8105         alignment.
8107 2008-05-30  Cary Coutant  <ccoutant@google.com>
8109         * archive.cc (Archive::include_all_members) Correct to step
8110         over symbol table and extended name table in thin archives.
8112 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8114         PR 6407
8115         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8116         calculation.
8118 2008-05-28  Caleb Howe  <cshowe@google.com>
8120         * reduced_debug_output.cc: New file.
8121         * reduced_debug_output.h: New file.
8122         * options.h (class General_options): Add --strip-debug-non-line.
8123         * options.cc (General_options::finalize): Add strip_debug_non_line
8124         to the strip heirarchy.
8125         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8126         fields.
8127         * layout.cc: Include "reduced_debug_output.h".
8128         (Layout::Layout): Initialize new fields.
8129         (line_only_debug_sections): New static array.
8130         (is_lines_only_debug_sections): New static inline function.
8131         (Layout::include_section): Handle --strip-debug-non-line.
8132         (Layout::make_output_section): If --strip-debug-non-line, build
8133         new output sections for .debug_abbrev and .debug_info.
8134         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8135         gold.  Warn about possible overflow.
8136         (read_signed_LEB_128): Likewise.
8137         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8138         (read_signed_LEB_128): Declare.
8139         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8140         (HFILES): Add reduced_debug_output.h.
8141         * Makefile.in: Rebuild.
8143 2008-05-21  Ian Lance Taylor  <iant@google.com>
8145         * mapfile.cc: New file.
8146         * mapfile.h: New file.
8147         * options.h (class General_options): Add -M/--print-map and -Map.
8148         * options.cc (General_options::finalize): Make -M equivalent to
8149         -Map -.
8150         * main.cc: Include <cstdio> and "mapfile.h".
8151         (main): Open mapfile if requested.
8152         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8153         constructor.  Change caller.
8154         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8155         (queue_middle_tasks): Likewise.
8156         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8157         declarations.
8158         * archive.cc: Include "mapfile.h".
8159         (Archive::add_symbols): Add mapfile parameter.  Change all
8160         callers.  Pass mapfile, symbol, and reason to include_member.
8161         (Archive::include_all_members): Add mapfile parameter.  Change all
8162         callers.
8163         (Archive::include_member): Add mapfile, sym, and why parameters.
8164         Change all callers.  Report inclusion to map file.
8165         * archive.h: Include "fileread.h".
8166         (class Archive): Update declarations.
8167         (Archive::file): New const method.
8168         (class Add_archive_symbols): Add mapfile_ field.  Update
8169         constructor.  Change all callers.
8170         * readsyms.h (class Read_symbols): Likewise.
8171         (class Finish_group): Likewise.
8172         (class Read_script): Likewise.
8173         * common.cc: Include "mapfile.h".
8174         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
8175         all callers.
8176         (Symbol_table::do_allocate_commons): Likewise.
8177         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
8178         symbol allocation to mapfile.
8179         * common.h (class Allocate_commons_task): Add mapfile_ field.
8180         Update constructor.  Change all callers.
8181         * symtab.h (class Symbol_table): Update declarations.
8182         * layout.cc: Include "mapfile.h".
8183         (Layout_task_runner::run): Print information to mapfile.
8184         (Layout::create_gold_note): Change Output_data_fixed_space to
8185         Output_data_zero_fill.
8186         (Layout::create_build_id): Likewise.
8187         (Layout::print_to_mapfile): New function.
8188         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
8189         constructor.  Change caller.
8190         (class Layout): Declare print_to_mapfile.
8191         * output.cc (Output_section::Input_section::print_to_mapfile): New
8192         function.
8193         (Output_section::add_input_section): If producing a map, always
8194         add to input_sections_ list.
8195         (Output_section::do_print_to_mapfile): New function.
8196         (Output_segment::print_sections_to_mapfile): New function.
8197         (Output_segment::print_section_list_to_mapfile): New function.
8198         * output.h: Include "mapfile.h".
8199         (Output_data::print_to_mapfile): New function.
8200         (Output_data::do_print_to_mapfile): New virtual function.
8201         (Output_segment_headers::do_print_to_mapfile): New function.
8202         (Output_file_header::do_print_to_mapfile): New function.
8203         (Output_data_const::do_print_to_mapfile): New function.
8204         (class Output_data_const_buffer): Add map_name_ field.  Update
8205         constructor.  Change all callers.  Add do_print_to_mapfile
8206         function.
8207         (class Output_data_fixed_space): Likewise.
8208         (class Output_data_space): Likewise.
8209         (class Output_data_zero_fill): New class.
8210         (Output_data_strtab::do_print_to_mapfile): New function.
8211         (Output_data_reloc_base::do_print_to_mapfile): New function.
8212         (Output_relocatable_relocs::do_print_to_mapfile): New function.
8213         (Output_data_group::do_print_to_mapfile): New function.
8214         (Output_data_got::do_print_to_mapfile): New function.
8215         (Output_data_dynamic::do_print_to_mapfile): New function.
8216         (Output_symtab_xindex::do_print_to_mapfile): New function.
8217         (class Output_section): Declare do_print_to_mapflie.  Declare
8218         print_to_mapfile in Input_section.
8219         (class Output_segment): Declare new functions.
8220         * object.h (Sized_relobj::symbol_count): New function.
8221         * script-sections.cc
8222         (Output_section_element_dot_assignment::set_section_addresses):
8223         Change Output_data_fixed_space to Output_data_zero_fill.
8224         (Output_data_expression::do_print_to_mapfile): New function.
8225         * script.cc (read_input_script): Add mapfile parameter.  Change
8226         all callers.
8227         * script.h (read_input_script): Update declaration.
8228         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
8229         (Eh_frame::do_print_to_mapfile): New function.
8230         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
8231         (Output_merge_string::do_print_to_mapfile): New function.
8232         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
8233         function.
8234         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
8235         function.
8236         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
8237         function.
8238         * Makefile.am (CCFILES): Add mapfile.cc.
8239         (HFILES): Add mapfile.h.
8240         * Makefile.in: Rebuild.
8242 2008-05-19  Ian Lance Taylor  <iant@google.com>
8244         * options.h (class General_options): Add -z relro.
8245         * layout.cc (Layout::Layout): Initialize relro_segment_.
8246         (Layout::add_output_section_data): Return the output section.
8247         (Layout::make_output_section): Rcognize relro sections and mark
8248         them appropriately.
8249         (Layout::attach_allocated_section_to_segment): Put relro sections
8250         in a PT_GNU_RELRO segment.
8251         (Layout::create_initial_dynamic_sections): Mark the .dynamic
8252         section as relro.
8253         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
8254         PT_TLS segments.
8255         (Layout::linkonce_mapping): Map d.rel.ro.local to
8256         .data.rel.ro.local.
8257         (Layout::output_section_name): Us .data.rel.ro.local for any
8258         section which begins with that.
8259         * layout.h (class Layout): Update add_output_section_data
8260         declaration.  Add relro_segment_ field.
8261         * output.cc (Output_section::Output_section): Initialize is_relro_
8262         and is_relro_local_ fields.
8263         (Output_segment::add_output_section): Group relro sections.
8264         (Output_segment::is_first_section_relro): New function.
8265         (Output_segment::maximum_alignment): If there is a relro section,
8266         align the segment to the common page size.
8267         (Output_segment::set_section_addresses): Track whether we are
8268         looking at relro sections.  If the last section is a relro
8269         section, align to the common page size.
8270         (Output_segment::set_section_list_addresses): Add in_relro
8271         parameter.  Change all callers.  Align to the page size when
8272         moving from relro to non-relro section.
8273         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
8274         segment.
8275         * output.h (class Output_section): Add is_relro_ and
8276         is_relro_local_ fields.
8277         (Output_section::is_relro): New function.
8278         (Output_section::set_is_relro): New function.
8279         (Output_section::is_relro_local): New function.
8280         (Output_section::set_is_relro_local): New function.
8281         (class Output_segment): Update declarations.
8282         * i386.cc (Target_i386::got_section): Mark .got section as relro.
8283         * sparc.cc (Target_sparc::got_section): Likewise.
8284         * x86_64.cc (Target_x86_64::got_section): Likewise.
8285         * testsuite/relro_test_main.cc: New file.
8286         * testsuite/relro_test.cc: New file.
8287         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
8288         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
8289         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
8290         (relro_test.so, relro_test_pic.o): New targets.
8291         * testsuite/Makefile.in: Rebuild.
8293 2008-05-16  Ian Lance Taylor  <iant@google.com>
8295         * output.cc (Output_segment::add_output_section): Remove front
8296         parameter.
8297         * output.h (class Output_segment): Remove
8298         add_initial_output_section and overloaded add_output_section.
8299         Update declaration of remaining add_output_section.
8300         * layout.cc (Layout::create_interp): Call add_output_section
8301         rather than add_initial_output_section.
8302         (Layout::finish_dynamic_section): Likewise.
8304         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
8305         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
8306         know the dynamic type.
8307         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
8308         field.  Initialize it in constructor.
8309         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
8310         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
8311         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
8312         reloc.
8314         * output.cc (Output_reloc::get_address): Change return type to
8315         Elf_Addr.
8316         * output.h (class Output_reloc): Update get_address declaration.
8317         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
8318         for section addresses.
8320 2008-05-09  Ian Lance Taylor  <iant@google.com>
8322         PR 6493
8323         * gold.cc (gold_nomem): Use return value of write.
8325 2008-05-08  Ian Lance Taylor  <iant@google.com>
8327         * symtab.c (Symbol::init_base_output_data): Add version
8328         parameter.  Change all callers.
8329         (Symbol::init_base_output_segment): Likewise.
8330         (Symbol::init_base_constant): Likewise.
8331         (Symbol::init_base_undefined): Likewise.
8332         (Sized_symbol::init_output_data): Likewise.
8333         (Sized_symbol::init_output_segment): Likewise.
8334         (Sized_symbol::init_constant): Likewise.
8335         (Sized_symbol::init_undefined): Likewise.
8336         (Symbol_table::do_define_in_output_data): If the new symbol has a
8337         version, mark it as the default.
8338         (Symbol_table::do_define_in_output_segment): Likewise.
8339         (Symbol_table::do_define_as_constant): Likewise.
8340         * symtab.h (class Symbol): Update declarations.
8341         (class Sized_symbol): Likewise.
8342         * resolve.cc (Symbol::override_version): New function.
8343         (Symbol::override_base): Call override_version.
8344         (Symbol::override_base_with_special): Likewise.
8345         * testsuite/ver_script_8.script: New file.
8346         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8347         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8348         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8349         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8351 2008-05-06  Ian Lance Taylor  <iant@google.com>
8353         PR 6049
8354         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8355         functions.
8356         (class General_options): Remove existing --undefined, and add
8357         --no-undefined instead.  Add new --undefined as synonym for -u.
8358         * archive.cc (Archive::add_symbols): Check whether symbol was
8359         named with -u.
8360         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8361         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8362         all uses.  Add IS_UNDEFINED.  Update declarations to split
8363         different versions of init_base.  Declare init_base_undefined.
8364         (Symbol::is_defined): Handle IS_UNDEFINED.
8365         (Symbol::is_undefined): Likewise.
8366         (Symbol::is_weak_undefined): Call is_undefined.
8367         (Symbol::is_absolute): Handle IS_CONSTANT.
8368         (class Sized_symbol): Update declarations to split different
8369         versions of init.  Declare init_undefined.
8370         (class Symbol_table): Declare new functions.
8371         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8372         Change all callers.
8373         (Symbol::init_base_output_data): Likewise.
8374         (Symbol::init_base_output_segment): Likewise.
8375         (Symbol::init_base_constant): Likewise.
8376         (Symbol::init_base_undefined): New function.
8377         (Sized_symbol::init_object): Rename from init.  Change all
8378         callers.
8379         (Sized_symbol::init_output_data): Likewise.
8380         (Sized_symbol::init_output_segment): Likewise.
8381         (Sized_symbol::init_constant): Likewise.
8382         (Sized_symbol::init_undefined): New function.
8383         (Symbol_table::add_undefined_symbols_from_command_line): New
8384         function.
8385         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8386         function.
8387         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8388         (Symbol::output_section): Likewise.
8389         (Symbol::set_output_section): Likewise.
8390         (Symbol_table::sized_finalize_symbol): Likewise.
8391         (Symbol_table::sized_write_globals): Likewise.
8392         * resolve.cc (Symbol_table::should_override): Likewise.
8393         (Symbol::override_base_with_special): Likewise.
8395         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8396         symbol, change it to have default visibility.
8397         * testsuite/protected_1.cc: New file.
8398         * testsuite/protected_2.cc: New file.
8399         * testsuite/protected_3.cc: New file.
8400         * testsuite/protected_main_1.cc: New file.
8401         * testsuite/protected_main_2.cc: New file.
8402         * testsuite/protected_main_3.cc: New file.
8403         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8404         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8405         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8406         (protected_1.so): New target.
8407         (protected_1_pic.o, protected_2_pic.o): New targets.
8408         (protected_3_pic.o): New target.
8409         (check_PROGRAMS): Add protected_2.
8410         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8411         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8412         * testsuite/Makefile.in: Rebuild.
8414         * options.h (DEFINE_var): Add set_user_set_##varname__.
8415         (DEFINE_bool_alias): New macro.
8416         (class General_options): Define -Bstatic using DEFINE_bool_alias
8417         rather than DEFINE_special.  Add --undefined as an alias for -z
8418         defs.
8419         * options.cc (General_options::parse_Bstatic): Remove.
8421         * options.h (class General_options): Add --fatal-warnings.
8422         * main.cc (main): Implement --fatal-warnings.
8423         * errors.h (Errors::warning_count): New function.
8425         * options.h (class General_options): Add -Bsymbolic-functions.
8426         * symtab.h (Symbol::is_preemptible): Check for
8427         -Bsymbolic-functions.
8429 2008-05-05  Ian Lance Taylor  <iant@google.com>
8431         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8432         as noVARNAME rather than no-VARNAME.
8433         (class General_options): Add option -z combreloc.
8434         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8435         get_address.
8436         (Output_reloc::sort_before) [SHT_REL]: New function.
8437         (Output_reloc::sort_before) [SHT_RELA]: New function.
8438         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8439         Sort_relocs_comparison.
8440         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8441         parameter.  Change all callers.
8442         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8443         sort_relocs parameter.  Change all callers.
8444         * output.cc (Output_reloc::get_address): New function, broken out
8445         of write_rel.
8446         (Output_reloc::write_rel): Call it.
8447         (Output_reloc::compare): New function.
8448         (Output_data_reloc_base::do_write): Optionally sort relocs.
8450         * configure.ac: If targ_extra_obj is set, link it in.
8451         * configure.tgt: Initialize all variables.
8452         (x86_64*): Set targ_extra_obj and targ_extra_size.
8453         * configure: Rebuild.
8455         * object.cc (Sized_relobj::include_section_group): Adjust section
8456         indexes read from group data.  Build vector to pass to
8457         layout_group.
8458         * layout.cc (Layout::layout_group): Add flags and shndxes
8459         parameters.  Remove contents parameter.  Change caller.  Update
8460         explicit instantiations.
8461         * layout.h (class Layout): Update layout_group declaration.
8462         * output.cc (Output_data_group::Output_data_group): Add flags and
8463         input_shndxes parameters.  Remove contents parameter.  Change
8464         caller.
8465         (Output_data_group::do_write): Change input_sections_ to
8466         input_shndxes_.
8467         * output.h (class Output_data_group): Update constructor
8468         declaration.  Rename input_sections_ to input_shndxes_.
8469         * testsuite/many_sections_test.cc: Add template.
8471 2008-04-30  Cary Coutant  <ccoutant@google.com>
8473         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8475         * layout.cc (Layout::include_section): Refactored check for debug
8476         info section.
8477         (Layout::add_comdat): Add new parameters.  Change type
8478         of signature parameter.  Add object and shndx to signatures table.
8479         (Layout::find_kept_object): New function.
8480         * layout.h: Include <cstring>.
8481         (Layout::is_debug_info_section): New function.
8482         (Layout::add_comdat): Add new parameters.
8483         (Layout::find_kept_object): New function.
8484         (Layout::Kept_section): New struct.
8485         (Layout::Signatures): Change type of map range.
8486         * object.cc (Relobj::output_section_address): New function.
8487         (Sized_relobj::include_section_group): Add new parameters.  Change
8488         calls to Layout::add_comdat.  Change to build table of kept comdat
8489         groups and table mapping discarded sections to kept sections.
8490         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8491         (Sized_relobj::do_layout): Change calls to include_section_group and
8492         include_linkonce_section.
8493         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8494         value to zero when section is discarded.
8495         (Sized_relobj::map_to_kept_section): New function.
8496         * object.h (Relobj::output_section_address): New function.
8497         (Relobj::Comdat_group): New type.
8498         (Relobj::find_comdat_group): New function.
8499         (Relobj::Comdat_group_table): New type.
8500         (Relobj::Kept_comdat_section): New type.
8501         (Relobj::Kept_comdat_section_table): New type.
8502         (Relobj::add_comdat_group): New function.
8503         (Relobj::set_kept_comdat_section): New function.
8504         (Relobj::get_kept_comdat_section): New function.
8505         (Relobj::comdat_groups_): New field.
8506         (Relobj::kept_comdat_sections_): New field.
8507         (Symbol_value::input_value): Update comment.
8508         (Sized_relobj::map_to_kept_section) New function.
8509         (Sized_relobj::include_linkonce_section): Add new parameter.
8510         * target-reloc.h (Comdat_behavior): New type.
8511         (get_comdat_behavior): New function.
8512         (relocate_section): Add code to map a discarded section to the
8513         corresponding kept section when applying a relocation.
8515 2008-04-30  Craig Silverstein  <csilvers@google.com>
8517         * dwarf_reader.cc (next_generation_count): New static var.
8518         (Addr2line_cache_entry): New struct.
8519         (addr2line_cache): New static var.
8520         (Dwarf_line_info::one_addr2line): Added caching.
8521         (Dwarf_line_info::clear_addr2line_cache): New function.
8522         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8523         cache-size parameter.
8524         (Dwarf_line_info::one_addr2line_cache): New function.
8525         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8526         new cache-size argument to one_addr2line(), and clear cache.
8528 2008-04-28  Cary Coutant  <ccoutant@google.com>
8530         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8531         R_386_PC8 relocations.
8533 2008-04-23  Ian Lance Taylor  <iant@google.com>
8535         * object.cc (Sized_relobj::include_section_group): Check for
8536         invalid section group.
8538         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8539         header size.
8541         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8542         than read for file header.
8543         * archive.cc (Archive::include_member): Likewise.
8545 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8547         * aclocal.m4: Regenerate.
8548         * configure: Regenerate.
8550 2008-04-19  Ian Lance Taylor  <iant@google.com>
8552         * version.cc (version_string): Bump to 1.6.
8554         * testsuite/Makefile.am (many_sections_r_test): New target.
8555         (many_sections_r_test_SOURCES): Remove.
8556         (many_sections_r_test_DEPENDENCIES): Remove.
8557         (many_sections_r_test_LDFLAGS): Remove.
8558         (many_sections_r_test_LDADD): Remove.
8560         * object.cc (Sized_relobj::do_add_symbols): Always pass
8561         local_symbol_count_ to add_from_relobj.
8563         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8564         every thousand variables.
8565         * testsuite/Makefile.in: Rebuild.
8567         * object.cc (Xindex::initialize_symtab_xindex): New function.
8568         (Xindex::read_symtab_xindex): New function.
8569         (Xindex::sym_xindex_to_shndx): New function.
8570         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8571         available.
8572         (Sized_relobj::do_initialize_xindex): New function.
8573         (Sized_relobj::do_read_symbols): Adjust section links.
8574         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8575         parameter.  Change all callers.
8576         (Sized_relobj::include_section_group): Adjust section links and
8577         symbol section indexes.
8578         (Sized_relobj::do_layout): Adjust section links.
8579         (Sized_relobj::do_count_local_symbols): Adjust section links and
8580         symbol section indexes.
8581         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8582         ordinary and special symbols.
8583         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8584         dynsym_xindex parameters.  Change all callers.  Adjust section
8585         links.  Use SHN_XINDEX when needed.
8586         (Sized_relobj::get_symbol_location_info): Adjust section links.
8587         Don't get fooled by special symbols.
8588         * object.h (class Xindex): Define.
8589         (class Object): Add xindex_ parameter.  Declare virtual functoin
8590         do_initialize_xindex.
8591         (Object::adjust_sym_shndx): New function.
8592         (Object::set_xindex): New protected function.
8593         (class Symbol_value): Add is_ordinary_shndx_ field.
8594         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8595         (Symbol_value::value): Assert ordinary section.
8596         (Symbol_value::initialize_input_to_output_map): Likewise.
8597         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8598         Change all callers.
8599         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8600         all callers.
8601         (class Sized_relobj): Update declarations.
8602         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8603         parameter.  Change all callers.
8604         (Sized_relobj::adjust_shndx): New function.
8605         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8606         field.
8607         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8608         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8609         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8610         (Sized_dynobj::read_dynsym_section): Adjust section links.
8611         (Sized_dynobj::read_dynamic): Likewise.
8612         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8613         section links.
8614         (Sized_dynobj::do_initialize_xindex): New function.
8615         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8616         do_initialize_xindex.
8617         (Sized_dynobj::adjust_shndx): New function.
8618         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8619         dynsym_xindex_ fields.
8620         (Layout::finalize): Add a call to set_section_indexes before
8621         creating the symtab sections.
8622         (Layout::set_section_indexes): Don't do anything if the section
8623         already has a section index.
8624         (Layout::create_symtab_sections): Add shnum parameter.  Change
8625         caller.  Create .symtab_shndx section if needed.
8626         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8627         caller.
8628         (Layout::allocated_output_section_count): New function.
8629         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8630         needed.
8631         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8632         fields.  Update declarations.
8633         (Layout::symtab_xindex): New function.
8634         (Layout::dynsym_xindex): New function.
8635         (class Write_symbols_task): Add layout_ field.
8636         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8637         Change caller.
8638         * output.cc (Output_section_headers::Output_section_headers): Add
8639         shstrtab_section parameter.  Change all callers.
8640         (Output_section_headers::do_sized_write): Store overflow values
8641         for section count and section string table section index in
8642         section header zero.
8643         (Output_file_header::do_sized_write): Check for overflow of
8644         section count and section string table section index.
8645         (Output_symtab_xindex::do_write): New function.
8646         (Output_symtab_xindex::endian_do_write): New function.
8647         * output.h (class Output_section_headers): Add shstrtab_section_.
8648         Update declarations.
8649         (class Output_symtab_xindex): Define.
8650         (Output_section::has_out_shndx): New function.
8651         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8652         field.
8653         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8654         Change all callers.
8655         (Sized_symbol::init): Likewise.
8656         (Symbol::output_section): Check for ordinary symbol.
8657         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8658         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8659         callers.
8660         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8661         Change all callers.  Simplify handling of symbols from sections
8662         not included in the link.
8663         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8664         distinction.
8665         (Weak_alias_sorter::operator()): Assert that symbols are
8666         ordinary.
8667         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8668         distinction.
8669         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8670         parameters.  Change all callers.
8671         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8672         symbol distinction.  Use SHN_XINDEX when needed.
8673         (Symbol_table::write_section_symbol): Add symtab_xindex
8674         parameter.  Change all callers.
8675         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8676         SHN_XINDEX when needed.
8677         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8678         declarations.
8679         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8680         (Symbol::is_defined): Check is_ordinary.
8681         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8682         (Symbol::is_absolute, Symbol::is_common): Likewise.
8683         (class Sized_symbol): Update declarations.
8684         (class Symbol_table): Update declarations.
8685         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8686         parameters.  Change all callers.
8687         (Sized_symbol::override): Likewise.
8688         (Symbol_table::override): Likewise.
8689         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8690         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8691         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8692         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8693         to be in an ordinary section.
8694         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8695         object and is_ordinary parameters.  Change all callers.
8696         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8697         Change all callers.  Don't add undefined or non-ordinary symbols
8698         to reloc_map_.
8699         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8700         Change all callers.
8701         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8702         declarations.
8703         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8704         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8705         (Sized_relobj::relocate_sections): Likewise.
8706         * target-reloc.h (scan_relocs): Adjust section symbol index.
8707         (scan_relocatable_relocs): Likewise.
8708         * i386.cc (Scan::local): Check for ordinary symbols.
8709         * sparc.cc (Scan::local): Likewise.
8710         * x86_64.cc (Scan::local): Likewise.
8711         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8712         to symbol_section_and_value.
8713         * testsuite/many_sections_test.cc: New file.
8714         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8715         (check_PROGRAMS): Add many_sections_test.
8716         (many_sections_test_SOURCES): Define.
8717         (many_sections_test_DEPENDENCIES): Define.
8718         (many_sections_test_LDFLAGS): Define.
8719         (BUILT_SOURCES): Add many_sections_define.h.
8720         (many_sections_define.h): New target.
8721         (BUILT_SOURCES): Add many_sections_check.h.
8722         (many_sections_check.h): New target.
8723         (check_PROGRAMS): Add many_sections_r_test.
8724         (many_sections_r_test_SOURCES): Define.
8725         (many_sections_r_test_DEPENDENCIES): Define.
8726         (many_sections_r_test_LDFLAGS): Define.
8727         (many_sections_r_test_LDADD): Define.
8728         (many_sections_r_test.o): New target.
8729         * testsuite/Makefile.in: Rebuild.
8731 2008-04-17  Cary Coutant  <ccoutant@google.com>
8733         * errors.cc (Errors::info): New function.
8734         (gold_info): New function.
8735         * errors.h (Errors::info): New function.
8736         * gold.h (gold_info): New function.
8737         * object.cc (Input_objects::add_object): Print trace output.
8738         * options.cc (options::parse_set): New function.
8739         (General_options::parse_wrap): Deleted.
8740         (General_options::General_options): Deleted initializer.
8741         * options.h (options::String_set): New typedef.
8742         (options::parse_set): New function.
8743         (DEFINE_set): New macro.
8744         (General_options::wrap): Changed to use DEFINE_set. Changed
8745         callers of any_wrap_symbols and is_wrap_symbol.
8746         (General_options::trace, General_options::trace_symbol):
8747         New options.
8748         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8749         (General_options::wrap_symbols_): Deleted.
8750         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8752 2008-04-17  David S. Miller  <davem@davemloft.net>
8754         * options.cc (General_options::parse_V): New function.
8755         * options.h: Add entries for -V and -Qy.
8757 2008-04-17  Ian Lance Taylor  <iant@google.com>
8759         * common.cc (Symbol_table::allocate_commons): Remove options
8760         parameter.  Change caller.
8761         (Symbol_table::do_allocate_commons): Remove options parameter.
8762         Change caller.  Just call do_allocate_commons_list twice.
8763         (Symbol_table::do_allocate_commons_list): New function, broken out
8764         of do_allocate_commons.
8765         * common.h (class Allocate_commons_task): Remove options_ field.
8766         Update constructor.
8767         * symtab.cc (Symbol_table::Symbol_table): Initialize
8768         tls_commons_.
8769         (Symbol_table::add_from_object): Put TLS common symbols on
8770         tls_commons_ list.
8771         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8772         which are IN_OUTPUT_DATA.
8773         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8774         allocate_commons and do_allocate_commons declarations.  Declare
8775         do_allocate_commons_list.
8776         * gold.cc (queue_middle_tasks): Update creation of
8777         Allocate_commons_task to not pass options.
8778         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8779         (TLS_TEST_C_FLAGS): New variable.
8780         (tls_test_c_pic.o): New target.
8781         (tls_test_shared.so): Link in tls_test_c_pic.o.
8782         (tls_test_c_pic_ie.o): New target.
8783         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8784         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8785         (tls_test_c.o): New target.
8786         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8787         (tls_pic_test_LDADD): Likewise.
8788         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8789         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8790         (tls_test_c_gnu2.o): New target.
8791         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8792         tls_test_c_gnu2.o.
8793         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8794         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8795         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8796         * testsuite/tls_test.cc: Include "config.h".
8797         (t_last): Call t11_last.
8798         * testsuite/tls_test.h (t11, t11_last): Declare.
8799         * testsuite/tls_test_c.c: New file.
8800         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8801         * configure.ac: Check for OpenMP support.
8802         * configure, config.in, Makefile.in: Rebuild.
8803         * testsuite/Makefile.in: Rebuild.
8805 2008-04-16  Cary Coutant  <ccoutant@google.com>
8807         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8808         (Target_i386::tls_base_symbol_defined_): New field.
8809         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8810         (Target_i386::Scan::global): Likewise.
8811         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8812         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8813         (Target_x86_64::tls_base_symbol_defined_): New field.
8814         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8815         (Target_x86_64::Scan::global): Likewise.
8817 2008-04-16  Cary Coutant  <ccoutant@google.com>
8819         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8820         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8821         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8822         building shared libraries.
8823         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8824         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8825         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8826         * testsuite/Makefile.in: Rebuild.
8827         * testsuite/weak_undef.h: New file.
8828         * testsuite/weak_undef_file1.cc: Add extra test cases.
8829         * testsuite/weak_undef_file2.cc: Likewise.
8830         * testsuite/weak_undef_test.cc: Likewise.
8832 2008-04-16  David S. Miller  <davem@davemloft.net>
8834         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8835         Add issued_non_pic_error_ field.  Declare check_non_pic.
8836         (Target_sparc::Scan::check_non_pic): New function.
8837         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8838         (Target_sparc::Scan::global): Likewise.
8840         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8841         * configure: Rebuild.
8843         * options.h (DEFINE_enable): New macro.
8844         (new_dtags): New enable option.
8845         (initfirst, interpose, loadfltr, nodefaultlib,
8846         nodelete, nodlopen, nodump): New -z options.
8847         * layout.cc (Layout:finish_dynamic_section): If new
8848         dtags enabled, emit DT_RUNPATH.  Also, emit a
8849         DT_FLAGS_1 containing any specified -z flags.
8851 2008-04-16  Ian Lance Taylor  <iant@google.com>
8853         * copy-relocs.cc: New file.
8854         * copy-relocs.h: New file.
8855         * reloc.cc: Remove Copy_relocs code.
8856         * reloc.h: Likewise.
8857         * reloc-types.h (struct Reloc_types) [both versions]: Add
8858         get_reloc_addend_noerror.
8859         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8860         variants of add_global which take an addend which must be zero.
8861         * i386.cc: Include "copy-relocs.h".
8862         (class Target_i386): Change type of copy_relocs_ to variable,
8863         update initializer.
8864         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8865         Change all callers.
8866         (Target_i386::do_finalize_sections): Change handling of
8867         copy_relocs_.
8868         * sparc.cc: Include "copy-relocs.h".
8869         (class Target_sparc): Change type of copy_relocs_ to variable,
8870         update initializer.
8871         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8872         Change all callers.
8873         (Target_sparc::do_finalize_sections): Change handling of
8874         copy_relocs_.
8875         * x86_64.cc: Include "copy-relocs.h".
8876         (class Target_x86_64): Change type of copy_relocs_ to variable,
8877         update initializer.
8878         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8879         class.  Change all callers.
8880         (Target_x86_64::do_finalize_sections): Change handling of
8881         copy_relocs_.
8882         * Makefile.am (CCFILES): Add copy-relocs.cc.
8883         (HFILES): Add copy-relocs.h.
8885         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
8887         * testsuite/script_test_4.sh: Permit leading zeroes.
8889 2008-04-15  Ian Lance Taylor  <iant@google.com>
8891         * script-sections.cc (Script_sections::create_segments): Use
8892         header_size_adjustment even when there is enough room for the
8893         headers.
8894         * testsuite/script_test_4.sh: New file.
8895         * testsuite/script_test_4.t: New file.
8896         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
8897         (check_DATA): Add script_test_4.stdout.
8898         (MOSTLYCLEANFILES): Likewise.
8899         (script_test_4): New target.
8900         (script_test_4.stdout): New target.
8901         * testsuite/Makefile.in: Rebuild.
8903         * sparc.cc: Add definitions for Output_data_plt_sparc class
8904         constants.
8906 2008-04-14  David S. Miller  <davem@davemloft.net>
8908         * sparc.cc: New file.
8909         * Makefile.am (TARGETSOURCES): Add sparc.cc
8910         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
8911         * configure.tgt: Document targ_extra_size and
8912         targ_extra_big_endian.  Add entries for sparc-* and
8913         sparc64-*.
8914         * configure.ac: Handle targ_extra_size and
8915         targ_extra_big_endian.
8916         * Makefile.in: Rebuild.
8917         * configure: Likewise.
8918         * po/POTFILES.in: Likewise.
8919         * po/gold.pot: Likewise.
8921 2008-04-14  Ian Lance Taylor  <iant@google.com>
8923         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
8924         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
8925         in the name/type/flags to section mapping.  Don't call
8926         allocate_output_section.
8927         (Layout::choose_output_section): Change parameter from adjust_name
8928         to is_input_section.  Don't permit input sections after sections
8929         are attached to segments.  Don't call allocate_output_section.
8930         (Layout::layout_eh_frame): Call update_flags_for_input_section,
8931         not write_enable_output_section.
8932         (Layout::make_output_section): Don't push to
8933         unattached_section_list_ nor call attach_to_segment.  Call
8934         attach_section_to_segment if sections are attached.
8935         (Layout::attach_sections_to_segments): New function.
8936         (Layout::attach_section_to_segment): New function.
8937         (Layout::attach_allocated_section_to_segment): Rename from
8938         attach_to_segment.  Remove flags parameter.
8939         (Layout::allocate_output_section): Remove function.
8940         (Layout::write_enable_output_section): Remove function.
8941         * layout.h (class Layout): Update for above changes.  Add new
8942         field sections_are_attached_.
8943         * output.h (Output_section::update_flags_for_input_section): New
8944         function.
8945         * output.cc (Output_section::add_input_section): Call
8946         update_flags_for_input_section.
8947         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
8949 2008-04-11  Cary Coutant  <ccoutant@google.com>
8951         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
8952         thought unnecessary.
8953         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
8955 2008-04-11  Ian Lance Taylor  <iant@google.com>
8957         * output.h (class Output_section_data): Remove inline definition
8958         of set_addralign.
8959         * output.cc (Output_section_data::set_addralign): New function.
8961 2008-04-11  Cary Coutant  <ccoutant@google.com>
8963         Add support for TLS descriptors for i386 and x86_64.
8964         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
8965         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
8966         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
8967         GOT_TYPE_TLS_DESC.
8968         (Target_i386::got_mod_index_entry): Remove unnecessary code.
8969         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
8970         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
8971         relocations.
8972         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
8973         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
8974         Fix problem with initial-exec relocations.
8975         (Target_i386::Relocate::relocate_tls): Likewise.
8976         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
8977         relaxation.
8978         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
8979         support for section-plus-offset dynamic table entries.
8980         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
8981         (Output_data_dynamic::Dynamic_entry): Add support for
8982         section-plus-offset dynamic table entries.
8983         (Output_data_dynamic::Classification): Likewise.
8984         (Output_data_dynamic::classification_): Renamed offset_.
8985         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
8986         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
8987         (Target_x86_64::make_plt_section): New function.
8988         (Target_x86_64::reserve_tlsdesc_entries): New function.
8989         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
8990         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
8991         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
8992         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
8993         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
8994         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
8995         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
8996         add extra PLT entry for TLS descriptors.
8997         (Output_data_plt_x86_64::got_): New field.
8998         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
8999         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
9000         fields.
9001         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
9002         descriptors.
9003         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
9004         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
9005         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
9006         R_386_TLS_DESC_CALL relocations.
9007         (Target_x86_64::Scan::global): Likewise.
9008         (Target_x86_64::do_finalize_sections): Add dynamic table entries
9009         for TLS descriptors.
9010         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
9011         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
9012         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
9013         GD-to-IE relaxation.
9014         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
9015         and TLS_DESCRIPTORS.
9016         * Makefile.in: Rebuild.
9017         * configure: Rebuild.
9018         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
9019         (tls_test_shared2.so): New target.
9020         (tls_shared_gd_to_ie_test_SOURCES): New variable.
9021         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
9022         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
9023         (tls_shared_gd_to_ie_test_LDADD): New variable.
9024         (tls_shared_gnu2_gd_to_ie_test): New target.
9025         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
9026         New targets.
9027         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
9028         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
9029         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
9030         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
9031         (tls_shared_gnu2_test): New target.
9032         (tls_test_gnu2_shared.so): New target.
9033         (tls_shared_gnu2_test_SOURCES): New variable.
9034         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
9035         (tls_shared_gnu2_test_LDFLAGS): New variable.
9036         (tls_shared_gnu2_test_LDADD): New variable.
9037         * testsuite/Makefile.in: Rebuild.
9038         * testsuite/Makefile.
9040 2008-04-11  Ian Lance Taylor  <iant@google.com>
9042         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
9043         justsyms.t.
9044         * testsuite/Makefile.in: Rebuild.
9046         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
9047         long.
9048         * testsuite/script_test_2.cc (main): Adjust test.
9050 2008-04-11  David S. Miller  <davem@davemloft.net>
9051             Ian Lance Taylor  <iant@google.com>
9053         * options.h (General_options): Add entries for '-Y' and
9054         '-relax'.
9055         * options.cc (General_options:finalize): If -Y was used, add those
9056         entries to the library path instead of the default "/lib" and
9057         "/usr/lib".
9059 2008-04-11  David S. Miller  <davem@davemloft.net>
9061         * testsuite/justsyms.t: Start at 0x100.
9062         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
9063         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
9064         long.
9065         * testsuite/script_test_2.cc: Adjust string and section length
9066         checks.
9068 2008-04-09  Ian Lance Taylor  <iant@google.com>
9070         PR gold/5996
9071         * script-sections.cc (Sections_element::allocate_to_segment): Add
9072         orphan parameter.
9073         (Output_section_definition::allocate_to_segment): Likewise.
9074         (Orphan_output_section::allocate_to_segment): Likewise.
9075         (Script_sections::attach_sections_using_phdrs_clause): Don't
9076         propagate non-PT_LOAD segments to orphan sections.
9077         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9078         readelf rather than objdump.
9079         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9080         .interp section and PT_INTERP segment are the same size.
9081         * testsuite/Makefile.in: Rebuild.
9083         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9084         aliases for symbols defined in the same object.
9085         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9086         (weak_alias_test_SOURCES): New variable.
9087         (weak_alias_test_DEPENDENCIES): New variable.
9088         (weak_alias_test_LDFLAGS): New variable.
9089         (weak_alias_test_LDADD): New variable.
9090         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9091         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9092         (weak_alias_test_3.o): New target.
9093         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9094         * testsuite/weak_alias_test_main.cc: New file.
9095         * testsuite/weak_alias_test_1.cc: New file.
9096         * testsuite/weak_alias_test_2.cc: New file.
9097         * testsuite/weak_alias_test_3.cc: New file.
9099 2008-04-08  Ian Lance Taylor  <iant@google.com>
9101         * options.h (class General_options): Add --noinhibit-exec option.
9102         * main.cc (main): Check --noinhibit-exec.
9104         * options.h (class General_options): Define --wrap as a special
9105         option.  Add wrap_symbols_ field.
9106         (General_options::any_wrap_symbols): New function.
9107         (General_options::is_wrap_symbol): New function.
9108         * options.cc (General_options::parse_wrap): New function.
9109         (General_options::General_options): Initialize wrap_symbols_.
9110         * symtab.cc (Symbol_table::wrap_symbol): New function.
9111         (Symbol_table::add_from_object): Handle --wrap.
9112         * symtab.h (class Symbol_table): Declare wrap_symbol.
9113         * target.h (Target::wrap_char): New function.
9114         (Target::Target_info): Add wrap_char field.
9115         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9116         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9117         * testsuite/testfile.cc (Target_test::test_target_info):
9118         Likewise.
9120         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9121         there is one.
9123         * layout.h (class Layout): Add added_eh_frame_data_ field.
9124         * layout.cc (Layout::Layout): Initialize new field.
9125         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9126         output section until we find a section we merged successfully.
9127         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9128         that the size be non-zero.
9130         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9131         qualifier.
9133 2008-04-08  Craig Silverstein  <csilvers@google.com>
9135         * configure.ac: Export new conditional variable HAVE_ZLIB.
9136         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9137         on HAVE_ZLIB.
9138         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9139         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9141 2008-04-07  Ian Lance Taylor  <iant@google.com>
9143         * version.cc (version_string): Set to "1.5".
9145         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9146         Add issued_non_pic_error_ field.  Declare check_non_pic.
9147         (Target_x86_64::Scan::check_non_pic): New function.
9148         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9149         (Target_x86_64::Scan::global): Likewise.
9151         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9152         addend parameter.  Change caller.  Handle merge sections.
9153         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9154         Address to Addend.  Don't add in the result of
9155         local_section_offset, pass down the addend and use the returned
9156         value.
9157         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9158         Update declarations of local_section_offset and symbol_value.
9159         * testsuite/two_file_test_1.cc (t18): New function.
9160         * testsuite/two_file_test_2.cc (f18): New function.
9161         * testsuite/two_file_test_main.cc (main): Call t18.
9162         * testsuite/two_file_test.h (t18, f18): Declare.
9164         * configure.ac: Don't test for objdump, c++filt, or readelf.
9165         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
9166         conditionals.
9167         (TEST_READELF): New variable.
9168         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
9169         (check_PROGRAMS): Add two_file_strip_test.
9170         (two_file_strip_test): New target.
9171         (check_PROGRAMS): Add two_file_same_shared_strip_test.
9172         (two_file_same_shared_strip_test_SOURCES): New variable.
9173         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
9174         (two_file_same_shared_strip_test_LDFLAGS): New variable.
9175         (two_file_same_shared_strip_test_LDADD): New variable.
9176         (two_file_shared_strip.so): New target.
9177         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
9178         (ver_test_5.syms, ver_test_7.syms): Likewise.
9179         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
9180         (strip_test_3.stdout): Use TEST_OBJDUMP.
9181         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9183 2008-04-04  Cary Coutant  <ccoutant@google.com>
9185         * symtab.h (Symbol::is_weak_undefined): New function.
9186         (Symbol::is_strong_undefined): New function.
9187         (Symbol::is_absolute): New function.
9188         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
9189         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
9190         absolute symbols.
9191         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
9192         (weak_undef_test): New target.
9193         * testsuite/Makefile.in: Rebuild.
9194         * testsuite/weak_undef_file1.cc: New file.
9195         * testsuite/weak_undef_file2.cc: New file.
9196         * testsuite/weak_undef_test.cc: New file.
9198 2008-04-03  Craig Silverstein  <csilvers@google.com>
9200         * compressed_output.h (class Output_compressed_section): Use
9201         unsigned buffer.
9202         * compressed_output.cc (zlib_compress): Use unsigned buffers,
9203         add zlib header.
9204         (zlib_compressed_suffix): Removed.
9205         (Output_compressed_section::set_final_data_size): Use unsigned
9206         buffers.
9207         * testsuite/Makefile.am (flagstest_compress_debug_sections):
9208         Fix linker invocation.
9209         (flagstest_o_specialfile_and_compress_debug_sections):
9210         Likewise.
9211         * testsuite/Makefile.in: Regenerated.
9213 2008-04-02  David S. Miller  <davem@davemloft.net>
9215         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
9216         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
9218 2008-04-02  Craig Silverstein  <csilvers@google.com>
9220         * TODO: New file.
9222 2008-04-02  Ian Lance Taylor  <iant@google.com>
9224         * fileread.cc (File_read::find_view): Add byteshift and vshifted
9225         parameters.  Update for new key type to views_.  Change all
9226         callers.
9227         (File_read::read): Adjust for byteshift in returned view.
9228         (File_read::add_view): New function, broken out of
9229         find_and_make_view.
9230         (File_read::make_view): New function, broken out of
9231         find_and_make_view.
9232         (File_read::find_or_make_view): Add offset and aligned
9233         parameters.  Rewrite accordingly.  Change all callers.
9234         (File_read::get_view): Add offset and aligned parameters.  Adjust
9235         for byteshift in return value.
9236         (File_read::get_lasting_view): Likewise.
9237         * fileread.h (class File_read): Update declarations.
9238         (class File_read::View): Add byteshift_ field.  Add byteshift to
9239         constructor.  Add byteshift method.
9240         * archive.h (Archive::clear_uncached_views): New function.
9241         (Archive::get_view): Add aligned parameter.  Change all callers.
9242         * object.h (Object::get_view): Add aligned parameter.  Change all
9243         callers.
9244         (Object::get_lasting_view): Likewise.
9246         * fileread.cc (File_read::release): Don't call clear_views if
9247         there are multiple objects.
9248         * fileread.h (File_read::clear_uncached_views): New function.
9249         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
9250         on the archive.
9252 2008-03-31  Cary Coutant  <ccoutant@google.com>
9254         Add thin archive support.
9255         * archive.cc (Archive::armagt): New const.
9256         (Archive::setup): Remove task parameter and calls to unlock.
9257         (Archive::unlock_nested_archives): New function.
9258         (Archive::read_header): Add nested_off parameter. Change
9259         all callers.
9260         (Archive::interpret_header): Likewise.
9261         (Archive::include_all_members): Change to handle thin
9262         archives.
9263         (Archive::include_member): Likewise.
9264         * archive.h (Archive::Archive): Add new parameters and
9265         initializers.
9266         (Archive::armagt): New const.
9267         (Archive::setup): Remove task parameter.
9268         (Archive::unlock_nested_archives): New function.
9269         (Archive::read_header): Add nested_off parameter.
9270         (Archive::interpret_header): Likewise.
9271         (Archive::Nested_archive_table): New typedef.
9272         (Archive::is_thin_archive_): New field.
9273         (Archive::nested_archives_): New field.
9274         (Archive::options_): New field.
9275         (Archive::dirpath_): New field.
9276         (Archive::task_): New field.
9277         * readsyms.cc (Read_symbols::do_read_symbols): Add check
9278         for thin archives.  Pass additional parameters to
9279         Archive::Archive.  Unlock the archive file after calling
9280         Archive::setup.
9282 2008-03-29  Ian Lance Taylor  <iant@google.com>
9284         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
9285         version symbol to be local.
9286         * testsuite/ver_test_4.sh: New file.
9287         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
9288         (check_DATA): Add ver_test_4.syms.
9289         (ver_test_4.syms): New target.
9290         * testsuite/Makefile.in: Rebuild.
9292         * output.cc
9293         (Output_section::Input_section_sort_entry::has_priority): New
9294         function.
9295         (Output_section::Input_section_sort_entry::match_file_name): New
9296         function.
9297         (Output_section::Input_section_sort_entry::match_section_name):
9298         Remove.
9299         (Output_section::Input_section_sort_entry::match_section_name_prefix):
9300         Remove.
9301         (Output_section::Input_section_sort_entry::match_section_file):
9302         Remove.
9303         (Output_section::Input_section_sort_compare::operator()): Rewrite
9304         using new Input_section_sort_entry functions.  Sort crtbegin and
9305         crtend first.  Sort sections with no priority before sections with
9306         a priority.
9307         * testsuite/initpri1.c (d3): Check j != 4.
9308         (cd5): New constructor/destructor function.
9309         (main): Check j != 2.
9311         * symtab.cc (Symbol_table::add_from_object): If we don't use the
9312         new symbol when resolving, don't call set_is_default.
9313         * testsuite/ver_test_7.cc: New file.
9314         * testsuite/ver_test_7.sh: New file.
9315         * testsuite/Makefile.am (ver_test_7.so): New target.
9316         (ver_test_7.o): New target.
9317         (check_SCRIPTS): Add ver_test_7.sh.
9318         (check_DATA): Add ver_test_7.syms.
9319         (ver_test_7.syms): New target.
9321 2008-03-28  Ian Lance Taylor  <iant@google.com>
9323         * layout.cc (Layout::layout): If we see an input section with a
9324         name that needs sorting, set the must_sort flag for the output
9325         section.
9326         (Layout::make_output_section): If the name of the output section
9327         indicates that it might require sorting, set the may_sort flag.
9328         * output.h (Output_section::may_sort_attached_input_sections): New
9329         function.
9330         (Output_section::set_may_sort_attached_input_sections): New
9331         function.
9332         (Output_section::must_sort_attached_input_sections): New
9333         function.
9334         (Output_section::set_must_sort_attached_input_sections): New
9335         function.
9336         (class Output_section): Declare Input_section_sort_entry.  Define
9337         Input_section_sort_compare.  Declare
9338         sort_attached_input_sections.  Add new fields:
9339         may_sort_attached_input_sections_,
9340         must_sort_attached_input_sections_,
9341         attached_input_sections_are_sorted_.
9342         * output.cc (Output_section::Output_section): Initialize new
9343         fields.
9344         (Output_section::add_input_section): Add an entry to
9345         input_sections_ if may_sort or must_sort are true.
9346         (Output_section::set_final_data_size): Call
9347         sort_attached_input_sections if necessary.
9348         (Output_section::Input_section_sort_entry): Define new class.
9349         (Output_section::Input_section_sort_compare::operator()): New
9350         function.
9351         (Output_section::sort_attached_input_sections): New function.
9352         * configure.ac: Check whether the compiler supports constructor
9353         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9354         * testsuite/initpri1.c: New file.
9355         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9356         CONSTRUCTOR_PRIORITY.
9357         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9358         (initpri1_LDFLAGS): New variable.
9359         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9361 2008-03-27  Ian Lance Taylor  <iant@google.com>
9363         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9364         * testsuite/common_test_1.c: New file.
9365         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9366         (common_test_1_SOURCES): New variable.
9367         (common_test_1_DEPENDENCIES): New variable.
9368         (common_test_1_LDFLAGS): New variable.
9370         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9371         and commons_ correctly when NAME/VERSION does not override
9372         NAME/NULL.
9373         * testsuite/ver_test_6.c: New file.
9374         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9375         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9376         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9378 2008-03-26  Ian Lance Taylor  <iant@google.com>
9380         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9381         of an undefined symbol from a version script.
9382         * testsuite/Makefile.am (ver_test_5.so): New target.
9383         (ver_test_5.o): New target.
9384         (check_SCRIPTS): Add ver_test_5.sh.
9385         (check_DATA): Add ver_test_5.syms.
9386         (ver_test_5.syms): New target.
9387         * testsuite/ver_test_5.cc: New file.
9388         * testsuite/ver_test_5.script: New file.
9389         * testsuite/ver_test_5.sh: New file.
9390         * Makefile.in, testsuite/Makefile.in: Rebuild.
9392         PR gold/5986
9393         Fix problems building gold with gcc 4.3.0.
9394         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9395         (gold_error_at_location, gold_warning_at_location): Use it.
9396         * configure.ac: Check whether we can compile and use a template
9397         function with a printf attribute.
9398         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9399         when jumping over bytes.
9400         * object.cc: Instantiate Object::read_section_data.
9401         * debug.h: Include <cstring>
9402         * dwarf_reader.cc: Include <algorithm>
9403         * main.cc: Include <cstring>.
9404         * options.cc: Include <cstring>.
9405         * output.cc: Include <cstring>.
9406         * script.cc: Include <cstring>.
9407         * script.h: Include <string>.
9408         * symtab.cc: Include <cstring> and <algorithm>.
9409         * target-select.cc: Include <cstring>.
9410         * version.cc: Include <string>.
9411         * testsuite/testmain.cc: Include <cstdlib>.
9412         * configure, config.in: Rebuild.
9414 2008-03-25  Ian Lance Taylor  <iant@google.com>
9416         * options.cc: Include "../bfd/bfdver.h".
9417         (options::help): Print bug reporting address.
9419         * version.cc (print_version): Adjust output for current value of
9420         BFD_VERSION_STRING.
9422         * NEWS: New file.
9424         * options.cc (options::help): Print list of supported targets.
9425         * target-select.h: Include <vector>.
9426         (class Target_selector): Make machine_, size_, and is_big_endian_
9427         fields const.  Add bfd_name_ and instantiated_target_ fields.
9428         (Target_selector::Target_selector): Add bfd_name parameter.
9429         (Target_selector::recognize): Make non-virtual, call
9430         do_recognize.
9431         (Target_selector::recognize_by_name): Make non-virtual, call
9432         do_recognize_by_name.
9433         (Target_selector::supported_names): New function.
9434         (Target_selector::bfd_name): New function.
9435         (Target_selector::do_instantiate_target): New pure virtual
9436         function.
9437         (Target_selector::do_recognize): New virtual function.
9438         (Target_selector::do_recognize_by_name): New virtual function.
9439         (Target_selector::instantiate_target): New private function.
9440         (supported_target_names): Declare.
9441         * target-select.cc (Target_selector::Target_selector): Update for
9442         new parameter and fields.
9443         (select_target_by_name): Check that the name matches before
9444         calling recognize_by_name.
9445         (supported_target_names): New function.
9446         * i386.cc (class Target_selector_i386): Update Target_selector
9447         constructor call.  Remove recognize and recognize_by_name.  Add
9448         do_instantiate_target.
9449         * x86_64.cc (class Target_selector_x86_64): Likewise.
9450         * testsuite/testfile.cc (class Target_selector_test): Update for
9451         changes to Target_selector.
9453         * README: Rewrite, with some notes on unsupported features.
9455 2008-03-24  Cary Coutant  <ccoutant@google.com>
9457         * i386.cc (Target_i386::Got_type): New enum declaration.
9458         (Target_i386::Scan::local): Updated callers of Output_data_got
9459         member functions.
9460         (Target_i386::Scan::global): Likewise.
9461         (Target_i386::Relocate::relocate): Likewise.
9462         (Target_i386::Relocate::relocate_tls): Likewise.
9463         * object.h (Got_offset_list): New class.
9464         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9465         (Sized_relobj::local_got_offset): Likewise.
9466         (Sized_relobj::set_local_got_offset): Likewise.
9467         (Sized_relobj::local_has_tls_got_offset): Removed.
9468         (Sized_relobj::local_tls_got_offset): Removed.
9469         (Sized_relobj::set_local_tls_got_offset): Removed.
9470         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9471         * output.cc (Output_data_got::add_global): Added got_type parameter.
9472         (Output_data_got::add_global_with_rel): Likewise.
9473         (Output_data_got::add_global_with_rela): Likewise.
9474         (Output_data_got::add_global_pair_with_rel): New function.
9475         (Output_data_got::add_global_pair_with_rela): New function.
9476         (Output_data_got::add_local): Added got_type parameter.
9477         (Output_data_got::add_local_with_rel): Likewise.
9478         (Output_data_got::add_local_with_rela): Likewise.
9479         (Output_data_got::add_local_pair_with_rel): New function.
9480         (Output_data_got::add_local_pair_with_rela): New function.
9481         (Output_data_got::add_global_tls): Removed.
9482         (Output_data_got::add_global_tls_with_rel): Removed.
9483         (Output_data_got::add_global_tls_with_rela): Removed.
9484         (Output_data_got::add_local_tls): Removed.
9485         (Output_data_got::add_local_tls_with_rel): Removed.
9486         (Output_data_got::add_local_tls_with_rela): Removed.
9487         * output.h (Output_data_got::add_global): Added got_type parameter.
9488         (Output_data_got::add_global_with_rel): Likewise.
9489         (Output_data_got::add_global_with_rela): Likewise.
9490         (Output_data_got::add_global_pair_with_rel): New function.
9491         (Output_data_got::add_global_pair_with_rela): New function.
9492         (Output_data_got::add_local): Added got_type parameter.
9493         (Output_data_got::add_local_with_rel): Likewise.
9494         (Output_data_got::add_local_with_rela): Likewise.
9495         (Output_data_got::add_local_pair_with_rel): New function.
9496         (Output_data_got::add_local_pair_with_rela): New function.
9497         (Output_data_got::add_global_tls): Removed.
9498         (Output_data_got::add_global_tls_with_rel): Removed.
9499         (Output_data_got::add_global_tls_with_rela): Removed.
9500         (Output_data_got::add_local_tls): Removed.
9501         (Output_data_got::add_local_tls_with_rel): Removed.
9502         (Output_data_got::add_local_tls_with_rela): Removed.
9503         * resolve.cc (Symbol::override_base_with_special): Removed
9504         reference to has_got_offset_ field.
9505         * symtab.cc (Symbol::init_fields): Replaced initialization
9506         of got_offset_ with got_offsets_.  Removed initialization
9507         of has_got_offset_
9508         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9509         (Symbol::got_offset): Likewise.
9510         (Symbol::set_got_offset): Likewise.
9511         (Symbol::has_tls_got_offset): Removed.
9512         (Symbol::tls_got_offset): Removed.
9513         (Symbol::set_tls_got_offset): Removed.
9514         (Symbol::got_offset_): Removed.
9515         (Symbol::tls_mod_got_offset_): Removed.
9516         (Symbol::tls_pair_got_offset_): Removed.
9517         (Symbol::got_offsets_): New field.
9518         (Symbol::has_got_offset): Removed.
9519         (Symbol::has_tls_mod_got_offset): Removed.
9520         (Symbol::has_tls_pair_got_offset): Removed.
9521         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9522         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9523         member functions.
9524         (Target_x86_64::Scan::global): Likewise.
9525         (Target_x86_64::Relocate::relocate): Likewise.
9526         (Target_x86_64::Relocate::relocate_tls): Likewise.
9528 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9530         * yyscript.y: Fix spelling error in comment.
9532 2008-03-24  Ian Lance Taylor  <iant@google.com>
9534         * options.h (class General_options): Define build_id option.
9535         * layout.h (class Layout): Declare write_build_id, create_note,
9536         create_build_id.  Add build_id_note_ member.
9537         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9538         "libiberty.h", "md5.h", "sha1.h".
9539         (Layout::Layout): Initialize eh_frame_data_,
9540         eh_frame_hdr_section_, and build_id_note_.
9541         (Layout::finalize): Call create_build_id.
9542         (Layout::create_note): New function, broken out of
9543         Layout::create_gold_note.
9544         (Layout::create_gold_note): Call create_note.
9545         (Layout::create_build_id): New function.
9546         (Layout::write_build_id): New function.
9547         (Close_task_runner::run): Call write_build_id.
9549         * x86_64.cc: Correct license to GPLv3.
9551 2008-03-23  Ian Lance Taylor  <iant@google.com>
9553         * options.cc: Include "demangle.h".
9554         (parse_optional_string): New function.
9555         (parse_long_option): Handle takes_optional_argument.
9556         (parse_short_option): Update dash_z initializer.  Handle
9557         takes_optional_argument.
9558         (General_options::General_options): Initialize do_demangle_.
9559         (General_options::finalize): Set do_demangle_.  Handle demangling
9560         style.
9561         * options.h (parse_optional_string): Declare.
9562         (struct One_option): Add optional_arg field.  Update constructor.
9563         Update call constructor calls.  Add takes_optional_argument
9564         function.
9565         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9566         (DEFINE_optional_string): Define.
9567         (General_options::demangle): Change from DEFINE_bool to
9568         DEFINE_optional_string.
9569         (General_options::no_demangle): New function.
9570         (General_options::do_demangle): New function.
9571         (General_options::set_do_demangle): New function.
9572         (General_options::execstack_status_): Move definition to end of
9573         class definition.
9574         (General_options::static_): Likewise.
9575         (General_options::do_demangle_): New field.
9576         * object.cc (big_endian>::get_symbol_location_info): Call
9577         Options::do_demangle, not Options::demangle.
9578         * symtab.cc (demangle): Likewise.
9580 2008-03-22  Ian Lance Taylor  <iant@google.com>
9582         * gold.h: Include <cstddef> and <sys/types.h>
9583         * options.h: Include <cstring>.
9585 2008-03-21  Ian Lance Taylor  <iant@google.com>
9587         * Added source code to GNU binutils.