Mark parameters of elf_process_stab as ATTRIBUTE_UNUSED.
[binutils.git] / gold / ChangeLog
blobf7448b97e4ec192cb3dfe5696b8ad07557580d5a
1 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3         * symtab.h (Symbol::NON_PIC_REF): Remove.
4         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
5         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
6         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
7         (Symbol::use_plt_offset): Take a flags argument and pass it
8         directly to needs_dynamic_reloc.  Restrict check for undefined
9         weak symbols to function calls.
10         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
11         (Target_arm::Scan::global): Use it.
12         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
13         (Target_arm::Relocate::relocate): Likewise.
14         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
15         parameter with an r_type parameter.  Use get_reference_flags
16         to get the flags.
17         (Target_arm::Relocate::relocate): Update accordingly.
18         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
19         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
20         (Target_i386::Scan::global): Likewise.
21         (Target_i386::Relocate::relocate): Likewise.
22         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
23         parameter with an r_type parameter.  Use get_reference_flags
24         to get the flags.
25         (Target_i386::Relocate::relocate): Update accordingly.
26         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
27         (Target_powerpc::Scan::global): Use it.
28         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
29         (Target_powerpc::Relocate::relocate): Likewise.
30         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
31         (Target_sparc::Scan::global): Use it.
32         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
33         (Target_sparc::Relocate::relocate): Likewise.
34         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
35         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
36         (Target_x86_64::Scan::global): Likewise.
37         (Target_x86_64::Relocate::relocate): Likewise.
39 2010-11-08  Doug Kwan  <dougkwan@google.com>
40             Cary Coutant  <ccoutant@google.com>
42         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
43         (Arm_exidx_merge_section::section_contents_): New data member.
44         (Arm_input_section::Arm_input_section): Initialize original_contents_.
45         (Arm_input_section::~Arm_input_section): De-allocate memory.
46         (Arm_input_section::original_contents_): New data member.       
47         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
48         in parameters instead of calling Object::section_contents without
49         locking.
50         (Arm_output_section::group_section): New parameter TASK.  Pass it
51         to callees that need locking objects.
52         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
53         to lock EXIDX input sections.  Fix a formatting issue.  Call
54         Arm_exidx_merged_section::build_contents to create merged section
55         contents.
56         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
57         to lock object of stub table owner.
58         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
59         TEXT_SIZE to initialize data member TEXT_SIZE_.
60         (Arm_exidx_input_section::addralign): Fix typo in comment.
61         (Arm_exidx_input_section::text_size): New method.
62         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
63         that require locking objects.  Lock objects before scanning for stubs
64         and updating local symbols.
65         (Arm_input_section<big_endian>::init): Copy contents of original
66         input section.
67         (Arm_input_section<big_endian>::do_write): Use saved contents of
68         original input section instead of calling Object::section_contents
69         without locking.
70         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
71         size without calling Object::section_size().
72         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
73         for size.  Allocate a buffer for merged EXIDX entries.
74         (Arm_exidx_merged_section::build_contents): New method.
75         (Arm_exidx_merged_section::do_write): Move merge section contents
76         building code to Arm_exidx_merged_section::build_contetns.  Write
77         out contetns in buffer instead of building it on the fly.
78         (Arm_relobj::make_exidx_input_section): Also pass text section size
79         to Arm_exidx_input_section constructor.
80         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
81         (Arm_dynobj::do_read_symbols): Fix memory leak.
82         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
83         * target.h: (class Task): Add forward declaration.
84         (Target::relax): Add new parameter TASK and pass it to
85         Target::do_relax().
86         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
88 2010-11-05  Cary Coutant  <ccoutant@google.com>
90         PR gold/10708
91         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
92         object when reading from the file.
93         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
94         second layout pass.
95         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
96         when reading section contents.
97         (get_section_contents): Likewise.
98         (icf::find_identical_sections): Likewise.
99         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
100         object when reading from the file.
101         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
102         the object when doing deferred section layout.
104 2010-11-03  Nick Clifton  <nickc@redhat.com>
106         PR gold/12001
107         * script.h (class Symbol_assignment: name): New member.  Returns
108         the name of the symbol.
109         * scrfipt.cc (Script_options::is_pending_assignment): New member.
110         Returns true if the given symbol name is on the list of
111         assignments wating to be processed.
112         * archive.cc (should_incldue_member): If the symbol is undefined,
113         check to see if it is on the list of symbols pending assignment.
115 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
117         * script-sections.cc (Script_sections::find_memory_region): Check
118         for a NULL output section pointer.
120 2010-10-29  Doug Kwan  <dougkwan@google.com>
122         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
123         Output_section::add_relaxed_input_section.
124         * output.cc (Output_section::add_relaxed_input_section): Add new
125         arguments LAYOUT and NAME.  Set section order index.
126         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
127         Copy section order index.
128         * output.h (Output_section::add_relaxed_input_section): Add new
129         arguments LAYOUT and NAME.
131 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
133         * testsuite/Makefile.am: Move gcctestdir/ld rule to
134         NATIVE_OR_CROSS_LINKER.
135         * testsuite/Makefile.in: Regenerate.
137 2010-10-20  Doug Kwan  <dougkwan@google.com>
139         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
140         without SHF_LINK_ORDER flags.
141         * layout.cc (Layout::choose_output_section): Do not filter
142         SHF_LINK_ORDER flag in a relocatable link.
144 2010-10-17  Cary Coutant  <ccoutant@google.com>
146         * output.h (Output_segment::set_section_addresses): Change function
147         signature.  Update all callers.
148         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
149         sections.
150         (Output_segment::set_section_addresses): Align after last TLS
151         section.  Add padding before last relro section instead of after.
153 2010-10-17  Doug Kwan  <dougkwan@google.com>
155         * gold/arm.cc (Target_arm::got_section): Use correct order and set
156         GOT output section to be writable.
158 2010-10-14  Cary Coutant  <ccoutant@google.com>
160         * debug.h (DEBUG_INCREMENTAL): New flag.
161         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
162         * gold.cc (queue_initial_tasks): Check parameters for incremental link
163         mode.
164         * incremental.cc (report_command_line): Ignore all forms of
165         --incremental.
166         * layout.cc (Layout::Layout): Check parameters for incremental link
167         mode.
168         * options.cc (General_options::parse_incremental): New function.
169         (General_options::parse_no_incremental): New function.
170         (General_options::parse_incremental_full): New function.
171         (General_options::parse_incremental_update): New function.
172         (General_options::incremental_mode_): New data member.
173         (General_options::finalize): Check incremental_mode_.
174         * options.h (General_options): Update help text for --incremental.
175         Add --no-incremental, --incremental-full, --incremental-update.
176         (General_options::Incremental_mode): New enum type.
177         (General_options::incremental_mode): New function.
178         (General_options::incremental_mode_): New data member.
179         * parameters.cc (Parameters::incremental_mode_): New data member.
180         (Parameters::set_options): Set incremental_mode_.
181         (Parameters::set_incremental_full): New function.
182         (Parameters::incremental): New function.
183         (Parameters::incremental_update): New function.
184         (set_parameters_incremental_full): New function.
185         * parameters.h (Parameters::set_incremental_full): New function.
186         (Parameters::incremental): New function.
187         (Parameters::incremental_update): New function.
188         (Parameters::incremental_mode_): New data member.
189         (set_parameters_incremental_full): New function.
190         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
191         incremental link mode.
192         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
193         (Sized_relobj::do_relocate_sections): Likewise.
194         * testsuite/Makefile.am (incremental_test): Use --incremental-full
195         option.
196         * testsuite/Makefile.in: Regenerate.
197         * testsuite/incremental_test.sh: Filter all forms of --incremental.
199 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
201         * script-sections.h (class Script_sections): Make
202         Sections_elements typedef public.
203         * script-sections.cc (class Sort_output_sections): Add elements_
204         field.  Add constructor which sets it; change all callers.
205         (Sort_output_sections::is_before): New function.
206         (Sort_output_sections::operator()): Call is_before.
207         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
208         conditional.
209         * testsuite/script_test_10.sh: New test. Test script section
210         order.
211         * testsuite/script_test_10.t: Likewise.
212         * testsuite/script_test_10.s: Likewise.
213         * testsuite/Makefile.am: Wrap the cross linker tests and the
214         common tests into NATIVE_OR_CROSS_LINKER.
215         (check_SCRIPTS): Add script_test_10.sh.
216         (check_DATA): Add script_test_10.stdout.
217         (script_test_10.o, script_test_10): New targets.
218         (script_test_10.stdout): New target.
219         * configure, testsuite/Makefile.in: Regenerate.
221 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
223         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
224         error for the deprecated relocations.
225         (Target_arm::Scan::global): Likewise.
226         (Target_arm::Relocate::relocate): Likewise.
228 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
230         * fileread.cc (Input_file::find_file): Initialize *found_name
231         and *namep when using the fallback search for case 4.
233 2010-10-11  Cary Coutant  <ccoutant@google.com>
235         * options.h (class General_options): Redefine -z lazy as an alias for
236         the negation of -z now.
238 2010-10-11  Ian Lance Taylor  <iant@google.com>
240         * resolve.cc (symbol_to_bits): Report the value of the unsupported
241         binding.
243 2010-10-06  Nick Clifton  <nickc@redhat.com>
245         * script-sections.cc(class Memory_region): Remove
246         current_lma_offset_ field.  Rename current_vma_offset_ to
247         current_offset_.  Add last_section_ field.
248         (Memory_region::get_current_vma_address): Rename to
249         get_current_address.
250         (Memory_region::get_current_lma_address): Delete.
251         (Memory_region::increment_vma_offset): Rename to
252         increment_offset.
253         (Memory_region::increment_lma_offset): Delete.
254         (Memory_region::attributes_compatible): New method.  Returns
255         true if the provided section is compatible with the region.
256         (Memory_region::get_last_section): New method.  Returns the last
257         section to use the region.
258         (Memory_region::set_last_section): New method.  Stores the last
259         section to use the region.
260         (Script_sections::block_in_region): New method.  Returns true if
261         a block of memory is contained within a region.
262         (Script_sections::find_memory_region): New method.  Locates a
263         memory region to be used to set a VMA or LMA address.
264         (Output_section_definition::set_section_addresses): Add code to
265         check for addresses set by memory regions.
266         (Output_segment::set_section_addresses): Remove memory region
267         walking code.
268         (Script_sections::create_segment): Add a warning if a header
269         segment is created outside of any region.
270         * script-sections.h (class Script_sections): Add prototypes for
271         find_memory_region and block_in_region methods.
272         * testsuite/memory_test.s: Use .long instead of .word.
273         * testsuite/memory_test.t: Add some more output sections.
274         * testsuite/memory_test.sh: Update expected output.
276 2010-10-02  Doug Kwan  <dougkwan@google.com>
278         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
279         defintion to symtab.h
280         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
281         declaration to defintion.
283 2010-10-01  Nick Clifton  <nickc@redhat.com>
285         * expression.cc (eval): Replace dummy argument with NULL.
286         (eval_maybe_dot): Check for a NULL result section pointer.
287         (Symbol_expression::value): Likewise.
288         (Dot_expression::value): Likewise.
289         (BINARY_EXPRESSION): Likewise.
290         (Max_expression::value): Likewise.
291         (Min_expression::value): Likewise.
292         (Absolute_expression::value): Likewise.
293         (Addr_expression::value_from_output_section): Likewise.
294         (Loaddddr_expression::value_from_output_section): Likewise.
295         (Segment_start_expression::value): Likewise.
296         * script-sections.cc
297         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
298         argument with NULL.
299         (Sections_elememt_dot_assignment::set_section_addresses):
300         Likewise.
301         (Output_data_expression::do_write_to_buffer): Likewise.
302         (Output_section_definition::finalize_symbols): Likewise.
303         (Output_section_definition::set_section_addresses): Likewise.
305 2010-09-30  Doug Kwan  <dougkwan@google.com>
307         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
309 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
311         * target.h (Target::can_icf_inline_merge_sections): New virtual
312         function.
313         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
314         virtual function.
315         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
316         virtual function.
317         * icf.cc (get_section_contents): Inline merge sections only when
318         target allows it.
320 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
322         * configure: Regenerate.
324 2010-09-17  Ian Lance Taylor  <iant@google.com>
326         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
327         * testsuite/Makefile.am (memory_test.o): New target.
328         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
329         memory_test.t.
330         * testsuite/Makefile.in: Rebuild.
332 2010-09-17  Doug Kwan  <dougkwan@google.com>
334         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
335         defintion if relocation uses GOT entries of the symbol.
336         * testsuite/icf_safe_test.sh: Fix test.
337         * testsuite/icf_safe_so_test.sh: Fix test.
339 2010-09-16  Cary Coutant  <ccoutant@google.com>
341         * script_sections.cc (class Memory_region): Remove "NULL" from
342         vector initializations.
344 2010-09-15  Cary Coutant  <ccoutant@google.com>
346         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
347         Resolve forwarding symbols.
349 2010-09-15  Doug Kwan  <dougkwan@google.com>
351         * gold/testsuite/script_test_3.t: Add ARM special sections.
352         * gold/testsuite/script_test_4.t: Same.
353         * gold/testsuite/script_test_5.t: Same.
354         * gold/testsuite/script_test_6.t: Same.
355         * gold/testsuite/script_test_7.t: Same.
356         * gold/testsuite/script_test_7.t: Same.
357         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
359 2010-09-14  Cary Coutant  <ccoutant@google.com>
361         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
362         (Target_x86_64::Relocate::relocate_tls): Replace check for
363         saw_tls_block_reloc_ with test for executable section.
365 2010-09-12  Cary Coutant  <ccoutant@google.com>
367         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
368         position-independent executables to shared libraries need dynamic
369         relocations.
370         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
371         position-independent executables.
372         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
373         * testsuite/Makefile.in: Regenerate.
375 2010-09-10  Nick Clifton  <nickc@redhat.com>
377         PR gold/11997
378         * testsuite/memory_test.t: Discard any sections that are not
379         needed.
381 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
383         PR gold/11996
384         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
385         "This::" to work around a bug in gcc 4.2.
387         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
389 2010-09-09  Rafael Espindola  <espindola@google.com>
391         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
392         sections with different PF_X flags in the same segment.
393         (Layout::find_first_load_seg): Search all segments to find the first
394         one.
395         * options.h (rosegment): New.
397 2010-09-08  Rafael Espindola  <espindola@google.com>
399         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
401 2010-09-08  Doug Kwan  <dougkwan@google.com>
403         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
404         (Arm_relobj::do_relocate_sections): Add new parameter for output
405         file to match the parent.
406         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
407         of local symbols instead of input values.  Update code to track
408         changes in gold::relocate_section.
409         * object.cc (Sized_relobj::compute_final_local_value): New methods.
410         (Sized_relobj::compute_final_local_value_internal): New methods.
411         (Sized_relobj::do_finalize_local_symbols): Move code from loop
412         body into private version of Sized_relobj::compute_final_local_value.
413         Call the inline method.
414         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
415         merged symbol value if there is one.
416         (Symbol_value::has_output_value): New method defintiion.
417         (Sized_relobj::Compute_final_local_value_status): New enum type.
418         (Sized_relobj::compute_final_local_value): New methods.
419         (Sized_relobj::compute_final_local_value_internal): New methods.
420         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
421         and arm_cortex_a8.sh.
422         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
423         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
424         New tests.
425         * Makefile.in: Regenerate.
426         * testsuite/arm_bl_out_of_range.s: Update test.
427         * testsuite/thumb_bl_out_of_range.s: Ditto.
428         * testsuite/thumb_blx_out_of_range.s: Ditto.
429         * testsuite/arm_branch_out_of_range.sh: New file.
430         * testsuite/arm_cortex_a8.sh: Ditto.
431         * testsuite/arm_cortex_a8_b.s: Ditto.
432         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
433         * testsuite/arm_cortex_a8_b_local.s: Ditto.
434         * testsuite/arm_cortex_a8_bl.s: Ditto.
435         * testsuite/arm_cortex_a8_blx.s: Ditto.
436         * testsuite/arm_cortex_a8_local.s: Ditto.
437         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
438         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
440 2010-09-08  Rafael Espindola  <espindola@google.com>
442         * Makefile.am (memory_test.stdout): Run readelf with -W.
443         * Makefile.in: Regenerate.
444         * testsuite/memory_test.sh: Make the regexps accept both 32 and
445         64 bit output.
447 2010-09-08  Rafael Espindola  <espindola@google.com>
449         * script-sections.cc (Script_sections::add_memory_region): Convert
450         field precision to int.
451         * script.cc (script_set_section_region, script_set_section_region):
452         Convert field precision to int.
454 2010-09-08  Rafael Espindola  <espindola@google.com>
456         * arm.cc (do_finalize_sections): Create the __exidx_start and
457         __exdix_end symbols even when the section is missing.
459 2010-09-08  Nick Clifton  <nickc@redhat.com>
461         * README: Remove claim that MEMORY is not supported.
462         * expression.cc (script_exp_function_origin)
463         (script_exp_function_length): Move from here to ...
464         * script.cc: ... here.
465         (script_set_section_region, script_add_memory)
466         (script_parse_memory_attr, script_include_directive): New
467         functions.
468         * script-sections.cc
469         (class Memory_region): New class.
470         (class Output_section_definition): Add set_memory_region,
471         set_section_vma, set_section_lma and get_section_name methods.
472         (class Script_Sections): Add add_memory_region,
473         find_memory_region, find_memory_region_origin,
474         find_memory_region_length and set_memory_region methods.
475         Have set_section_addresses method walk the list of set memory
476         regions.
477         Extend the print methos to display memory regions.
478         * script-sections.h: Add prototypes for new methods.
479         Add enum for MEMORY region attributes.
480         * yyscript.y: Add support for parsing MEMORY regions.
481         * script-c.h: Add prototypes for new functions.
482         * testsuite/Makefile.am: Add test of MEMORY region functionality.
483         * testsuite/Makefile.in: Regenerate.
484         * testsuite/memory_test.sh: New script.
485         * testsuite/memory_test.s: New assembler source file.
486         * testsuite/memory_test.t: New linker script.
488 2010-08-27  Doug Kwan  <dougkwan@google.com>
490         * gold/resolve.cc (Symbol_table::should_override): Let a weak
491         reference override an existing dynamic weak reference.
492         * testsuite/Makefile.am: Add new test dyn_weak_ref.
493         * testsuite/Makefile.in: Regenerate.
494         * testsuite/dyn_weak_ref.sh: New file.
495         * testsuite/dyn_weak_ref_1.c: Ditto.
496         * testsuite/dyn_weak_ref_2.c: Ditto.
498 2010-08-27  Ian Lance Taylor  <iant@google.com>
500         * incremental.h (class Incremental_input_entry): Add virtual
501         destructor.
503 2010-08-27  Ian Lance Taylor  <iant@google.com>
505         * testsuite/start_lib_test_3.c: Mark t3 as used.
507 2010-08-27  Nick Clifton  <nickc@redhat.com>
509         * options.cc (version_script): Fix small typo in previous
510         whitespace tidyup.
512 2010-08-25  Nick Clifton  <nickc@redhat.com>
514         * archive.cc: Formatting fixes: Remove whitespace between
515         typename and following asterisk.  Remove whitespace between
516         function name and opening parenthesis.
517         * archive.h: Likewise.
518         * arm.cc: Likewise.
519         * attributes.cc: Likewise.
520         * attributes.h: Likewise.
521         * common.cc: Likewise.
522         * copy-relocs.cc: Likewise.
523         * dirsearch.h: Likewise.
524         * dynobj.cc: Likewise.
525         * ehframe.cc: Likewise.
526         * ehframe.h: Likewise.
527         * expression.cc: Likewise.
528         * fileread.cc: Likewise.
529         * fileread.h: Likewise.
530         * gc.h: Likewise.
531         * gold-threads.cc: Likewise.
532         * gold.cc: Likewise.
533         * i386.cc: Likewise.
534         * icf.h: Likewise.
535         * incremental-dump.cc: Likewise.
536         * incremental.cc: Likewise.
537         * layout.cc: Likewise.
538         * layout.h: Likewise.
539         * main.cc: Likewise.
540         * merge.cc: Likewise.
541         * merge.h: Likewise.
542         * object.cc: Likewise.
543         * object.h: Likewise.
544         * options.cc: Likewise.
545         * options.h: Likewise.
546         * output.cc: Likewise.
547         * output.h: Likewise.
548         * plugin.cc: Likewise.
549         * plugin.h: Likewise.
550         * powerpc.cc: Likewise.
551         * reloc.cc: Likewise.
552         * script-c.h: Likewise.
553         * script-sections.cc: Likewise.
554         * script.cc: Likewise.
555         * stringpool.cc: Likewise.
556         * symtab.cc: Likewise.
557         * symtab.h: Likewise.
558         * target.cc: Likewise.
559         * timer.cc: Likewise.
560         * timer.h: Likewise.
561         * version.cc: Likewise.
562         * x86_64.cc: Likewise.
564 2010-08-24  Nick Clifton  <nickc@redhat.com>
566         PR 11899
567         * layout.cc (segment_precedes): Sort segments by their physical
568         addresses, if they have been set.
570 2010-08-23  Cary Coutant  <ccoutant@google.com>
572         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
573         symbols data.
574         (Lib_group::include_member): Unlock object after deleting its
575         symbols data.
576         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
577         the bug fixed here.
579 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
580             Cary Coutant  <ccoutant@google.com>
582         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
583         constructor, and set_blocker.
584         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
585         readsyms_blocker_.
586         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
587         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
588         * testsuite/Makefile.am (start_lib_test): New test case.
589         * testsuite/Makefile.in: Regenerate.
590         * testsuite/start_lib_test_main.c: New file.
591         * testsuite/start_lib_test_1.c: New file.
592         * testsuite/start_lib_test_2.c: New file.
593         * testsuite/start_lib_test_3.c: New file.
595 2010-08-19  Ian Lance Taylor  <iant@google.com>
597         * Makefile.in: Rebuild with automake 1.11.1.
598         * aclocal.m4: Likewise.
599         * testsuite/Makefile.in: Likewise.
601 2010-08-19  Ian Lance Taylor  <iant@google.com>
603         PR 10893
604         * i386.cc (class Output_data_plt_i386): Update declarations.
605         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
606         local_ifuncs_ fields.
607         (Target_i386::do_plt_section_for_global): New function.
608         (Target_i386::do_plt_section_for_local): New function.
609         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
610         parameter; change all callers.  Initialize global_ifuncs_ and
611         local_ifuncs_.  If doing a static link define __rel_iplt_start and
612         __rel_iplt_end.
613         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
614         (Output_data_plt_i386::add_local_ifunc_entry): New function.
615         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
616         symbols.
617         (Target_i386::make_plt_section): New function, broken out of
618         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
619         (Target_i386::make_plt_entry): Call make_plt_section.
620         (Target_i386::make_local_ifunc_plt_entry): New function.
621         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
622         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
623         R_386_IRELATIVE to switch.
624         (Target_i386::Scan::global): Likewise.
625         (Target_i386::Relocate::relocate): Likewise.
626         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
627         switch.
628         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
629         (Target_x86_64::do_plt_section_for_global): New function.
630         (Target_x86_64::do_plt_section_for_local): New function.
631         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
632         parameter; change all callers.  If doing a static link define
633         __rela_iplt_start and __rela_iplt_end.
634         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
635         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
636         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
637         to point to .plt.
638         (Target_x86_64::make_local_ifunc_plt_entry): New function.
639         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
640         switch.
641         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
642         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
643         R_X86_64_IRELATIVE to switch.
644         (Target_x86_64::Scan::global): Likewise.
645         (Target_x86_64::Relocate::relocate): Likewise.
646         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
647         switch.
648         * target.h (class Target): Add plt_section_for_global and
649         plt_section_for_local functions.  Add do_plt_section_for_global
650         and do_plt_section_for_local virtual functions.
651         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
652         clarifying comments.
653         (Symbol::use_plt_offset): Handle IFUNC symbol.
654         * object.cc (Sized_relobj::Sized_relobj): Initialize
655         local_plt_offsets_.
656         (Sized_relobj::local_has_plt_offset): New function.
657         (Sized_relobj::local_plt_offset): New function.
658         (Sized_relobj::set_local_plt_offset): New function.
659         (Sized_relobj::do_count): Handle IFUNC symbol.
660         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
661         a bit away from input_shndx_ field.  Add set_is_func_symbol and
662         is_ifunc_symbol functions.
663         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
664         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
665         local_plt_offsets_ field.
666         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
667         * output.h (class Output_section_data): Add non-const
668         output_section function.
669         (class Output_data_got): Update declarations.
670         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
671         Add use_plt_offset parameter to global and local constructors.
672         Change all callers.  Change local_sym_index_ field to 31 bits.
673         Change GSYM_CODE and CONSTANT_CODE accordingly.
674         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
675         doing a static link don't set sh_link field.
676         (Output_data_got::Got_entry::write): Use PLT offset if
677         appropriate.
678         (Output_data_got::add_global_plt): New function.
679         (Output_data_got::add_local_plt): New function.
680         * target-reloc.h (relocate_section): Handle IFUNC symbol.
681         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
682         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
683         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
684         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
685         IFUNC conditional.
686         * testsuite/ifunc-sel.h: New file.
687         * testsuite/ifuncmain1.c: New file.
688         * testsuite/ifuncmain1vis.c: New file.
689         * testsuite/ifuncmod1.c: New file.
690         * testsuite/ifuncdep2.c: New file.
691         * testsuite/ifuncmain2.c: New file.
692         * testsuite/ifuncmain3.c: New file.
693         * testsuite/ifuncmod3.c: New file.
694         * testsuite/ifuncmain4.c: New file.
695         * testsuite/ifuncmain5.c: New file.
696         * testsuite/ifuncmod5.c: New file.
697         * testsuite/ifuncmain6pie.c: New file.
698         * testsuite/ifuncmod6.c: New file.
699         * testsuite/ifuncmain7.c: New file.
700         * configure, testsuite/Makefile.in: Rebuild.
702 2010-08-18  Ian Lance Taylor  <iant@google.com>
704         * incremental.cc
705         (Output_section_incremental_inputs::write_input_files): Add cast
706         to avoid signed/unsigned comparison warning.
707         (Output_section_incremental_inputs::write_info_blocks): Likewise.
709 2010-08-12  Cary Coutant  <ccoutant@google.com>
711         * common.cc (Sort_commons::operator()): Remove unnecessary code.
713 2010-08-13  Ian Lance Taylor  <iant@google.com>
715         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
717 2010-08-12  Cary Coutant  <ccoutant@google.com>
718             Doug Kwan  <dougkwan@google.com>
720         * resolve.cc (Symbol_table::should_override): When a weak dynamic
721         defintion overrides non-weak undef, remember that the original undef
722         is not weak.
723         * symtab.cc (Symbol_table::sized_write_global): For undef without
724         an original weak binding, set binding to global in output.
725         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
726         * testsuite/Makefile.in: Regenerate.
727         * testsuite/strong_ref_weak_def.sh: New file.
728         * testsuite/strong_ref_weak_def_1.c: Ditto.
729         * testsuite/strong_ref_weak_def_2.c: Ditto.
731 2010-08-12  Cary Coutant  <ccoutant@google.com>
733         * testsuite/incremental_test.sh: Rewrite.
734         * testsuite/incremental_test_1.c: Rewrite.
735         * testsuite/incremental_test_2.c: Rewrite.
737 2010-08-12  Cary Coutant  <ccoutant@google.com>
739         * arm.cc (Target_arm::got_size): Add const.
740         (Target_arm::got_entry_count): New function.
741         (Target_arm::plt_entry_count): New function.
742         (Target_arm::first_plt_entry_offset): New function.
743         (Target_arm::plt_entry_size): New function.
744         (Output_data_plt_arm::entry_count): New function.
745         (Output_data_plt_arm::first_plt_entry_offset): New function.
746         (Output_data_plt_arm::get_plt_entry_size): New function.
747         * i386.cc (Target_i386::got_size): Add const.
748         (Target_i386::got_entry_count): New function.
749         (Target_i386::plt_entry_count): New function.
750         (Target_i386::first_plt_entry_offset): New function.
751         (Target_i386::plt_entry_size): New function.
752         (Output_data_plt_i386::entry_count): New function.
753         (Output_data_plt_i386::first_plt_entry_offset): New function.
754         (Output_data_plt_i386::get_plt_entry_size): New function.
755         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
756         find_incremental_inputs_sections.  Dump incremental_got_plt section.
757         * incremental.cc: Include target.h.
758         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
759         parameter.  Adjust all callers.  Find incremental_got_plt section.
760         (Incremental_inputs::create_data_sections): Create incremental_got_plt
761         section.
762         (Output_section_incremental_inputs::set_final_data_size): Calculate
763         size of incremental_got_plt section.
764         (Output_section_incremental_inputs::do_write): Write the
765         incremental_got_plt section.
766         (Got_plt_view_info): New struct.
767         (Local_got_offset_visitor): New class.
768         (Global_got_offset_visitor): New class.
769         (Global_symbol_visitor_got_plt): New class.
770         (Output_section_incremental_inputs::write_got_plt): New function.
771         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
772         Add parameter.  Adjust all callers.
773         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
774         (Incremental_inputs::got_plt_section): New function.
775         (Incremental_inputs::got_plt_section_): New data member.
776         (Incremental_got_plt_reader): New class.
777         * layout.cc (Layout::create_incremental_info_sections): Add the
778         incremental_got_plt section.
779         * object.h (Got_offset_list::get_list): New function.
780         (Got offset_list::for_all_got_offsets): New function.
781         (Sized_relobj::local_got_offset_list): New function.
782         * powerpc.cc (Target_powerpc::got_size): Add const.
783         (Target_powerpc::got_entry_count): New function.
784         (Target_powerpc::plt_entry_count): New function.
785         (Target_powerpc::first_plt_entry_offset): New function.
786         (Target_powerpc::plt_entry_size): New function.
787         (Output_data_plt_powerpc::entry_count): New function.
788         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
789         (Output_data_plt_powerpc::get_plt_entry_size): New function.
790         * sparc.cc (Target_sparc::got_size): Add const.
791         (Target_sparc::got_entry_count): New function.
792         (Target_sparc::plt_entry_count): New function.
793         (Target_sparc::first_plt_entry_offset): New function.
794         (Target_sparc::plt_entry_size): New function.
795         (Output_data_plt_sparc::entry_count): New function.
796         (Output_data_plt_sparc::first_plt_entry_offset): New function.
797         (Output_data_plt_sparc::get_plt_entry_size): New function.
798         * symtab.h (Symbol::got_offset_list): New function.
799         (Symbol_table::for_all_symbols): New function.
800         * target.h (Sized_target::got_entry_count): New function.
801         (Sized_target::plt_entry_count): New function.
802         (Sized_target::plt_entry_size): New function.
803         * x86_64.cc (Target_x86_64::got_size): Add const.
804         (Target_x86_64::got_entry_count): New function.
805         (Target_x86_64::plt_entry_count): New function.
806         (Target_x86_64::first_plt_entry_offset): New function.
807         (Target_x86_64::plt_entry_size): New function.
808         (Output_data_plt_x86_64::entry_count): New function.
809         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
810         (Output_data_plt_x86_64::get_plt_entry_size): New function.
812 2010-08-12  Cary Coutant  <ccoutant@google.com>
814         * archive.cc: Include incremental.h.
815         (Archive::Archive): Initialize incremental_info_.
816         (Archive::include_member): Record archive members in incremental info.
817         (Add_archive_symbols::run): Record begin and end of an archive in
818         incremental info.
819         (Lib_group::include_member): Record objects in incremental info.
820         * archive.h (Incremental_archive_entry): Forward declaration.
821         (Archive::set_incremental_info): New member function.
822         (Archive::incremental_info): New member function.
823         (Archive::Unused_symbol_iterator): New class.
824         (Archive::unused_symbols_begin): New member function.
825         (Archive::unused_symbols_end): New member function.
826         (Archive::incremental_info_): New data member.
827         * incremental-dump.cc (find_input_containing_global): New function.
828         (dump_incremental_inputs): Dump new incremental info sections.
829         * incremental.cc: Include symtab.h.
830         (Output_section_incremental_inputs): New class.
831         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
832         new incremental info sections.
833         (Sized_incremental_binary::do_check_inputs): Likewise.
834         (Incremental_inputs::report_archive): Remove.
835         (Incremental_inputs::report_archive_begin): New function.
836         (Incremental_inputs::report_archive_end): New function.
837         (Incremental_inputs::report_object): New function.
838         (Incremental_inputs::finalize_inputs): Remove.
839         (Incremental_inputs::report_input_section): New function.
840         (Incremental_inputs::report_script): Rewrite.
841         (Incremental_inputs::finalize): Do nothing but finalize string table.
842         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
843         (Incremental_inputs::sized_create_inputs_section_data): Remove.
844         (Incremental_inputs::create_data_sections): New function.
845         (Incremental_inputs::relocs_entsize): New function.
846         (Output_section_incremental_inputs::set_final_data_size): New function.
847         (Output_section_incremental_inputs::do_write): New function.
848         (Output_section_incremental_inputs::write_header): New function.
849         (Output_section_incremental_inputs::write_input_files): New function.
850         (Output_section_incremental_inputs::write_info_blocks): New function.
851         (Output_section_incremental_inputs::write_symtab): New function.
852         * incremental.h (Incremental_script_entry): Forward declaration.
853         (Incremental_object_entry): Forward declaration.
854         (Incremental_archive_entry): Forward declaration.
855         (Incremental_inputs): Forward declaration.
856         (Incremental_inputs_header_data): Remove.
857         (Incremental_inputs_header): Remove.
858         (Incremental_inputs_header_write): Remove.
859         (Incremental_inputs_entry_data): Remove.
860         (Incremental_inputs_entry): Remove.
861         (Incremental_inputs_entry_write): Remove.
862         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
863         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
864         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
865         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
866         Likewise.
867         (Incremental_input_entry): New class.
868         (Incremental_script_entry): New class.
869         (Incremental_object_entry): New class.
870         (Incremental_archive_entry): New class.
871         (Incremental_inputs::Incremental_inputs): Initialize new data members.
872         (Incremental_inputs::report_inputs): Remove.
873         (Incremental_inputs::report_archive): Remove.
874         (Incremental_inputs::report_archive_begin): New function.
875         (Incremental_inputs::report_archive_end): New function.
876         (Incremental_inputs::report_object): Change prototype.
877         (Incremental_inputs::report_input_section): New function.
878         (Incremental_inputs::report_script): Change prototype.
879         (Incremental_inputs::get_reloc_count): New function.
880         (Incremental_inputs::set_reloc_count): New function.
881         (Incremental_inputs::create_data_sections): New function.
882         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
883         (Incremental_inputs::inputs_section): New function.
884         (Incremental_inputs::symtab_section): New function.
885         (Incremental_inputs::relocs_section): New function.
886         (Incremental_inputs::get_stringpool): Add const.
887         (Incremental_inputs::command_line): Add const.
888         (Incremental_inputs::inputs): Remove.
889         (Incremental_inputs::command_line_key): New function.
890         (Incremental_inputs::input_file_count): New function.
891         (Incremental_inputs::input_files): New function.
892         (Incremental_inputs::relocs_entsize): New function.
893         (Incremental_inputs::sized_create_inputs_section_data): Remove.
894         (Incremental_inputs::finalize_inputs): Remove.
895         (Incremental_inputs::Input_info): Remove.
896         (Incremental_inputs::lock_): Remove.
897         (Incremental_inputs::inputs_): Change type.
898         (Incremental_inputs::inputs_map_): Remove.
899         (Incremental_inputs::current_object_entry_): New data member.
900         (Incremental_inputs::inputs_section_): New data member.
901         (Incremental_inputs::symtab_section_): New data member.
902         (Incremental_inputs::relocs_section_): New data member.
903         (Incremental_inputs::reloc_count_): New data member.
904         (Incremental_inputs_reader): New class.
905         (Incremental_symtab_reader): New class.
906         (Incremental_relocs_reader): New class.
907         * layout.cc (Layout::finalize): Move finalization of incremental info
908         and creation of incremental info sections to follow finalization of
909         symbol table.  Set offsets for postprocessing sections.
910         (Layout::create_incremental_info_sections): Call
911         Incremental_inputs::create_data_sections.  Add incremental symtab
912         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
913         sections to layout after input sections.
914         * layout.h (struct Timespec): Forward declaration.
915         (Layout::incremental_inputs): Add const.
916         (Layout::create_incremental_info_sections): Add parameter.
917         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
918         * object.cc: Include incremental.h.
919         (Relobj::finalize_incremental_relocs): New function.
920         (Sized_relobj::do_layout): Record input sections in incremental info.
921         * object.h (Object::output_section): New function.
922         (Object::output_section_offset): Moved from Relobj.
923         (Object::get_incremental_reloc_base): New function.
924         (Object::get_incremental_reloc_count): New function.
925         (Object::do_output_section): New function.
926         (Object::do_output_section_offset): Moved from Relobj.
927         (Object::do_get_incremental_reloc_base): New function.
928         (Object::do_get_incremental_reloc_count): New function.
929         (Object::Object): Initialize new data members.
930         (Relobj::output_section): Renamed do_output_section and moved to
931         protected.
932         (Relobj::output_section_offset): Moved to Object.
933         (Relobj::do_get_incremental_reloc_base): New function.
934         (Relobj::do_get_incremental_reloc_count): New function.
935         (Relobj::allocate_incremental_reloc_counts): New function.
936         (Relobj::count_incremental_reloc): New function.
937         (Relobj::finalize_incremental_relocs): New function.
938         (Relobj::next_incremental_reloc_index): New function.
939         (Relobj::reloc_counts_): New data member.
940         (Relobj::reloc_bases_): New data member.
941         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
942         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
943         (Sized_relobj::incremental_relocs_scan): New function.
944         (Sized_relobj::incremental_relocs_scan_reltype): New function.
945         (Sized_relobj::incremental_relocs_write): New function.
946         (Sized_relobj::incremental_relocs_write_reltype): New function.
947         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
948         incremental link.
949         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
950         archives and object files elsewhere.
951         (Add_symbols::run): Report object files here.
952         (Finish_group::run): Report end of archive at end of group.
953         * reloc.cc: Include layout.h, incremental.h.
954         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
955         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
956         (Sized_relobj::incremental_relocs_scan): New function.
957         (Sized_relobj::incremental_relocs_scan_reltype): New function.
958         (Sized_relobj::do_relocate_sections): Write incremental relocations.
959         (Sized_relobj::incremental_relocs_write): New function.
960         (Sized_relobj::incremental_relocs_write_reltype): New function.
961         * script.cc (read_input_script): Rewrite test for incremental link.
962         Change call to Incremental_inputs::report_script.
963         * symtab.h (Symbol_table::first_global_index): New function.
964         (Symbol_table::output_count): New function.
966 2010-08-12  Doug Kwan  <dougkwan@google.com>
968         * arm.cc (Target_arm::merge_object_attributes): Check command line
969         options --no-wchar-size-warning and --no-enum-size-warning.
970         * options.h (General_options): Add ld-compatible options
971         --no-enum-size-warning and --no-wchar-size-warning.
973 2010-08-04  Ian Lance Taylor  <iant@google.com>
975         * x86_64.cc (Target_x86_64::Scan::local): Use
976         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
977         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
978         (Target_x86_64::Scan::global): Likewise.
979         (Target_x86_64::Relocate::relocate): Likewise.
980         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
981         Likewise.
983 2010-08-03  Cary Coutant  <ccoutant@google.com>
985         * merge.cc (Output_merge_string::do_add_input_section): Count strings
986         to reserve space in merged_strings vector. Keep total input size
987         for stats.
988         (Output_merge_string::do_print_merge_stats): Print total input size.
989         * merge.h (Output_merge_string): Add input_size_ field.
990         * stringpool.cc (Stringpool_template::string_length): Move
991         implementations out of Stringpool_template class and place in
992         stringpool.h.
993         * stringpool.h (string_length): Move out of Stringpool_template.
995 2010-08-03  Ian Lance Taylor  <iant@google.com>
997         PR 11712
998         * layout.cc (relaxation_loop_body): If address of load segment is
999         set, adjust address to include headers if possible.
1001 2010-08-03  Ian Lance Taylor  <iant@google.com>
1003         * version.cc (version_string): Bump to 1.10.
1005 2010-08-03  Ian Lance Taylor  <iant@google.com>
1007         PR 11805
1008         * layout.h (enum Output_section_order): Define.
1009         (class Layout): Update declarations.
1010         * layout.cc (Layout::get_output_section): Add order parameter.
1011         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1012         is_first_non_relro parameters.  Change all callers.
1013         (Layout::choose_output_section): Likewise.
1014         (Layout::add_output_section_data): Likewise.
1015         (Layout::make_output_section): Likewise.  Set order.
1016         (Layout::default_section_order): New function.
1017         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1018         * output.cc (Output_section::Output_section): Initialize order_.
1019         Don't initialize deleted fields.
1020         (Output_segment::Output_segment): Don't initialize deleted
1021         fields.
1022         (Output_segment::add_output_section_to_load): New function
1023         replacing add_output_section.  Change all callers to call this or
1024         add_output_section_to_nonload.
1025         (Output_segment::add_output_section_to_nonload): New function.
1026         (Output_segment::remove_output_section): Rewrite.
1027         (Output_segment::add_initial_output_data): Likewise.
1028         (Output_segment::has_any_data_sections): Likewise.
1029         (Output_segment::is_first_section_relro): Likewise.
1030         (Output_segment::maximum_alignment): Likewise.
1031         (Output_segment::has_dynamic_reloc): New function replacing
1032         dynamic_reloc_count.  Change all callers.
1033         (Output_segment::has_dynamic_reloc_list): New function replacing
1034         dynamic_reloc_count_list.  Change all callers.
1035         (Output_segment::set_section_addresses): Rewrite.
1036         (Output_segment::set_offset): Rewrite.
1037         (Output_segment::find_first_and_last_list): Remove.
1038         (Output_segment::set_tls_offsets): Rewrite.
1039         (Output_segment::first_section_load_address): Likewise.
1040         (Output_segment::output_section_count): Likewise.
1041         (Output_segment::section_with_lowest_load_address): Likewise.
1042         (Output_segment::write_section_headers): Likewise.
1043         (Output_segment::print_sections_to_map): Likewise.
1044         * output.h (class Output_data): Remove dynamic_reloc_count_
1045         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
1046         (Output_data::add_dynamic_reloc): Rewrite.
1047         (Output_data::has_dynamic_reloc): New function.
1048         (Output_data::dynamic_reloc_count): Remove.
1049         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
1050         is_last_relro_, is_first_non_relro_, is_interp_,
1051         is_dynamic_linker_section_ fields.  Add order and set_order
1052         functions.  Remove is_relro_local, set_is_relro_local,
1053         is_last_relro, set_is_last_relro, is_first_non_relro,
1054         set_is_first_non_relro functions, is_interp, set_is_interp,
1055         is_dynamic_linker_section, and set_is_dynamic_linker_section
1056         functions.
1057         (class Output_segment): Change Output_data_list from std::list to
1058         std:;vector.  Add output_lists_ field.  Remove output_data_ and
1059         output_bss_ fields.  Update declarations.
1061 2010-08-02  Ian Lance Taylor  <iant@google.com>
1063         * arm.cc (Target_arm::gc_process_relocs): Use typename.
1064         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
1065         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
1067 2010-08-02  Ian Lance Taylor  <iant@google.com>
1069         PR 11855
1070         * script.cc (Script_options::Script_options): Initialize
1071         symbol_definitions_ and symbol_references_.
1072         (Script_options::add_symbol_assignment): Update
1073         symbol_definitions_ and symbol_references_.
1074         (Script_options::add_symbol_reference): New function.
1075         (script_symbol): New function.
1076         * script.h (class Script_options): Add symbol_definitions_ and
1077         symbol_references_ fields.
1078         (Script_options::referenced_const_iterator): New type.
1079         (Script_options::referenced_begin): New function.
1080         (Script_options::referenced_end): New function.
1081         (Script_options::is_referenced): New function.
1082         (Script_options::any_unreferenced): New function.
1083         * script-c.h (script_symbol): Declare.
1084         * yyscript.y (exp): Call script_symbol.
1085         * symtab.cc: Include "script.h".
1086         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
1087         Change all callers.  Check symbols referenced by scripts.
1088         (Symbol_table::add_undefined_symbols_from_command_line): Add
1089         layout parameter.  Change all callers.
1090         (Symbol_table::do_add_undefined_symbols_from_command_line):
1091         Likewise.  Break out loop body.  Check symbols referenced by
1092         scripts.
1093         (Symbol_table::add_undefined_symbol_from_command_line): New
1094         function broken out of
1095         do_add_undefined_symbols_from_command_line.
1096         * symtab.h (class Symbol_table): Update declarations.
1097         * archive.cc: Include "layout.h".
1098         (Archive::should_include_member): Add layout parameter.  Change
1099         all callers.  Check for symbol mentioned in expression.
1100         * archive.h (class Archive): Update declaration.
1101         * object.cc (Sized_relobj::do_should_include_member): Add layout
1102         parameter.
1103         * object.h (Object::should_include_member): Add layout parameter.
1104         Change all callers.
1105         (Object::do_should_include_member): Add layout parameter.
1106         (class Sized_relobj): Update declaration.
1107         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
1108         parameter.
1109         * dynobj.h (class Sized_dynobj): Update declaration.
1110         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
1111         layout parameter.
1112         * plugin.h (class Sized_pluginobj): Update declaration.
1114 2010-08-02  Ian Lance Taylor  <iant@google.com>
1116         PR 11866
1117         * output.cc (Output_segment::set_offset): Search for the first and
1118         last sections rather than assuming that the list is in order.
1119         (Output_segment::find_first_and_last_list): New function.
1120         * output.h (class Output_segment): Update declarations.
1121         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
1122         (relro_strip_test_SOURCES): New variable.
1123         (relro_strip_test_DEPENDENCIES): New variable.
1124         (relro_strip_test_LDFLAGS): New variable.
1125         (relro_strip_test_LDADD): New variable.
1126         (relro_strip_test.so): New target.
1128 2010-08-02  Ian Lance Taylor  <iant@google.com>
1130         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
1131         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
1132         (Target_i386::got_tlsdesc_section): New function.
1133         (Target_i386::got_section): Create space for GOT entries for
1134         TLSDESC relocations.
1135         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
1136         R_386_TLS_GOTDESC.
1137         (Target_i386::Scan::global): Likewise.
1138         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
1139         using TLSDESC GOT.
1140         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
1141         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
1142         (Target_x86_64::got_tlsdesc_section): New function.
1143         (Target_x86_64::got_section): Create space for GOT entries for
1144         TLSDESC relocations.
1145         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
1146         R_386_TLS_GOTDESC.
1147         (Target_x86_64::Scan::global): Likewise.
1148         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
1149         using TLSDESC GOT.
1151 2010-08-02  Ian Lance Taylor  <iant@google.com>
1153         * testsuite/final_layout.sh: Use dc to convert from hex to
1154         decimal.
1156 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
1158         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
1159         paramter to the call to gold::gc_process_relocs.
1160         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
1161         paramter to the call to gold::gc_process_relocs.
1162         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
1163         parameter to the call to gold::gc_process_relocs.
1164         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
1165         template parameter to the call to gold::gc_process_relocs.
1166         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
1167         paramter to the call to gold::gc_process_relocs.
1168         * gc.h (get_embedded_addend_size): New function.
1169         (gc_process_relocs): Save the size of the reloc for use by ICF.
1170         * icf.cc (get_section_contents): Get the addend from the text section
1171         for SHT_REL relocation sections.
1172         * icf.h (Icf::Reloc_addend_size_info): New typedef.
1173         (Icf::Reloc_info): Add new member reloc_addend_size_info.
1174         * int_encoding.h (read_from_pointer): New overloaded function.
1175         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
1176         * testsuite/icf_sht_rel_addend_test.sh: New file.
1177         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
1178         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
1180 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1182         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
1183         * Makefile.in: Regenerate.
1184         * testsuite/Makefile.in: Regenerate.
1186 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
1188         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
1189         * gold/testsuite/debug_msg.cc: Likewise.
1190         * gold/testsuite/odr_violation1.cc
1191         * gold/testsuite/odr_violation2.cc
1193 2010-07-21  Cary Coutant  <ccoutant@google.com>
1195         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
1196         string, and length fields.
1197         (Output_merge_string::Merged_strings_list): New type.
1198         (Output_merge_string::Merged_strings_lists): New typedef.
1199         (Output_merge_string): Replace merged_strings_ with
1200         merged_strings_lists_.
1201         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1202         Merged_strings_list per input object and section.  Don't store pointer
1203         to the string.  Don't store length with each merged string entry.
1204         (Output_merge_string::finalize_merged_data): Loop over list of merged
1205         strings lists.  Recompute length of each merged string.
1207 2010-07-15  Cary Coutant  <ccoutant@google.com>
1209         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1210         here.
1212 2010-07-14  Ian Lance Taylor  <iant@google.com>
1214         * descriptors.cc (Descriptors::open): Report correct name in error
1215         message.
1217 2010-07-13  Doug Kwan  <dougkwan@google.com>
1219         * arm.cc (Arm_input_section::Arm_input_section): For a
1220         SHT_ARM_EXIDX section, always keeps the input sections.
1221         (Arm_input_section::set_exidx_section_link): New method.
1222         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1223         has_errors_ to false.
1224         (Arm_exidx_input_section::has_errors,
1225         Arm_exidx_input_section::set_has_errors): New methods.
1226         (Arm_exidx_input_section::has_errors_): New data member.
1227         (Arm_relobj::get_exidx_shndx_list): New method.
1228         (Arm_output_section::append_text_sections_to_list): Do not skip
1229         section without SHF_EXECINSTR.
1230         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1231         errors.
1232         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1233         section header.  Make error messages more verbose.  Check for
1234         a non-executable section linked to an EXIDX section.
1235         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1236         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1237         check that there is no deferred EXIDX section if we exit early.
1238         Instead of not making an EXIDX section in case of an error, make one
1239         and set the has_errors flag of it.
1240         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1241         in a relocatable link.
1242         (Target_arm::do_relax): Look for the EXIDX output section instead of
1243         assuming that it is called .ARM.exidx.
1244         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1245         section list.  Do not check for SHF_EXECINSTR section flags but
1246         skip any input section with errors.
1247         * output.cc (Output_section::Output_section): Initialize
1248         always_keeps_input_sections_ to false.
1249         (Output_section::add_input_section): Check for
1250         always_keeps_input_sections_.
1251         *  output.h (Output_section::always_keeps_input_sections,
1252         Output_section::set_always_keeps_input_sections): New methods.
1253         (Output_section::always_keeps_input_sections): New data member.
1255 2010-07-13  Rafael Espindola  <espindola@google.com>
1257         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1258         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1260 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1261             Ian Lance Taylor  <iant@google.com>
1263         * output.h (Output_section_lookup_maps::add_merge_section):
1264         Correct check of whether value was inserted.
1265         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1266         (Output_section_lookup_maps::add_relaxed_input_section):
1267         Likewise.
1268         * arm.cc (Target_arm::got_section): Remove used local os.
1269         * i386.cc (Target_i386::got_section): Likewise.
1270         * x86_64.cc (Target_x86_64::got_section): Likewise.
1271         * sparc.cc (Target_sparc::got_section): Likewise.
1272         (Target_sparc::relocate): Remove unused local have_got_offset.
1273         * powerpc.cc (Target_powerpc::relocate): Likewise.
1275 2010-07-13  Ian Lance Taylor  <iant@google.com>
1277         * compressed_output.cc (zlib_decompress): Fix signature in
1278         !HAVE_ZLIB_H case.
1280         * archive.cc (Archive::include_member): Unlock an external member
1281         of a thin archive.  Don't bother to delete an object we know is
1282         NULL.
1284 2010-07-12  Cary Coutant  <ccoutant@google.com>
1286         * compressed_output.cc (zlib_decompress): New function.
1287         (get_uncompressed_size): New function.
1288         (decompress_input_section): New function.
1289         * compressed_output.h (get_uncompressed_size): New function.
1290         (decompress_input_section): New function.
1291         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1292         Handle compressed debug sections.
1293         * layout.cc (is_compressed_debug_section): New function.
1294         (Layout::output_section_name): Map compressed section names to
1295         canonical names.
1296         * layout.h (is_compressed_debug_section): New function.
1297         (is_debug_info_section): Recognize compressed debug sections.
1298         * merge.cc: Include compressed_output.h.
1299         (Output_merge_data::do_add_input_section): Handle compressed
1300         debug sections.
1301         (Output_merge_string::do_add_input_section): Handle compressed
1302         debug sections.
1303         * object.cc: Include compressed_output.h.
1304         (Sized_relobj::Sized_relobj): Initialize new data members.
1305         (build_compressed_section_map): New function.
1306         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1307         * object.h (Object::section_is_compressed): New method.
1308         (Object::do_section_is_compressed): New method.
1309         (Sized_relobj::Compressed_section_map): New type.
1310         (Sized_relobj::do_section_is_compressed): New method.
1311         (Sized_relobj::compressed_sections_): New data member.
1312         * output.cc (Output_section::add_input_section): Handle compressed
1313         debug sections.
1314         * reloc.cc: Include compressed_output.h.
1315         (Sized_relobj::write_sections): Handle compressed debug sections.
1317 2010-07-08  Cary Coutant  <ccoutant@google.com>
1319         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1320         weak when resolving to a dynamic def.
1321         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1322         for weak undef/dynamic def cases. Adjust callers.
1323         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1324         undef_binding_weak_.
1325         (Symbol_table::sized_write_globals): Adjust symbol binding.
1326         (Symbol_table::sized_write_symbol): Add binding parameter.
1327         * symtab.h (Symbol::set_undef_binding): New method.
1328         (Symbol::is_undef_binding_weak): New method.
1329         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1330         (Symbol_table::should_override): Add new parameter.
1331         (Symbol_table::sized_write_symbol): Add new parameter.
1333         * testsuite/weak_undef_file1.cc: Add new test case.
1334         * testsuite/weak_undef_file2.cc: Fix header comment.
1335         * testsuite/weak_undef_test.cc: Add new test case.
1337 2010-06-29  Doug Kwan  <dougkwan@google.com>
1339         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1340         Initialize USE_SYMBOL_.
1341         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1342         definition.
1343         (Arm_reloc_property::uses_symbol_): New data member declaration.
1344         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1345         uses symbol value and symbol is undefined but not weakly undefined.
1347 2010-06-28  Rafael Espindola  <espindola@google.com>
1349         * plugin.cc (Plugin::load): Use dlerror.
1351 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1353         * symtab.cc (detect_odr_violations): When reporting an ODR
1354         violation, report an object where the symbol is defined.
1356 2010-06-25  Doug Kwan  <dougkwan@google.com>
1358         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1359         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1360         definition.
1361         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1362         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1363         target hook to detect function points.
1364         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1365         * icf.h (Icf::check_section_for_function_pointers): Change type of
1366         parameter SECTION_NAME to const reference to std::string.  Use
1367         target hook to determine if section may have unsafe pointers.
1368         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1369         method definition.
1371 2010-06-21  Rafael Espindola  <espindola@google.com>
1373         * fileread.cc (Input_file::find_fie): New
1374         (Input_file::open): Use Input_file::find_fie.
1375         * fileread.h (Input_file::find_fie): New
1376         * plugin.cc (set_extra_library_path): New.
1377         (Plugin::load): Add set_extra_library_path to the transfer vector.
1378         (Plugin_manager::set_extra_library_path): New.
1379         (Plugin_manager::add_input_file): Use the extra search path if set.
1380         (set_extra_library_path(): New.
1381         * plugin.h (Plugin_manager): Add set_extra_library_path and
1382         extra_search_path_.
1384 2010-06-19  Cary Coutant  <ccoutant@google.com>
1386         * layout.cc (gdb_sections): Add .debug_types.
1387         (lines_only_debug_sections): Likewise.
1389 2010-06-18  Rafael Espindola  <espindola@google.com>
1391         * plugin.cc (add_input_file,add_input_library)
1392         (Plugin_manager::add_input_file): Make filename arguments const.
1393         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1394         const.
1396 2010-06-16  Doug Kwan  <dougkwan@google.com>
1398         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1399         .ARM.attributes section if we have not merged any input
1400         attributes sections.
1402 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1404         * arm.cc: Allow combining objects with no EABI version
1405         information.
1407 2010-06-15  Rafael Espindola  <espindola@google.com>
1409         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1411 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1413         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1414         (struct iovec): Correct !HAVE_READV definition.
1416 2010-06-10  Cary Coutant  <ccoutant@google.com>
1418         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1419         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1420         reloc sections.
1421         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1423         PR 11683
1424         * symtab.h (Symbol::is_placeholder): New member function.
1425         * target-reloc.h (relocate_section): Check for placeholder symbols.
1427         * testsuite/Makefile.am (plugin_test_8): New test.
1428         (plugin_test_9): New test.
1429         * testsuite/Makefile.in: Regenerate.
1431 2010-06-09  Nick Clifton  <nickc@redhat.com>
1433         * yyscript.y (input_list_element): Allow strings prefixed with
1434         the '-' character.  Treat these as libraries.
1435         * script.cc (script_add_library): New function.  Adds a library
1436         specified by "-l<name>" found in an input script.
1437         * script-c.h: Add prototype for script_add_library.
1439 2010-06-07  Doug Kwan  <dougkwan@google.com>
1441         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1442         Restrict stub-group size to be within long conditional branch
1443         range when working around cortex-A8 erratum.
1445 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1447         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1448         #ifdef typo.
1450 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1452         PR gold/11658
1453         * output.cc
1454         (Output_section::Input_section_sort_entry::compare_section_ordering):
1455         Change to return non-zero correctly.
1456         (Output_section::Input_section_sort_section_order_index_compare
1457         ::operator()): Change to fix ambiguity in comparisons.
1459 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1461         * gold.h (is_wildcard_string): New function.
1462         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1463         (Layout::layout_eh_frame): Ditto.
1464         (Layout::find_section_order_index): New method.
1465         (Layout::read_layout_from_file): New method.
1466         * layout.h (Layout::find_section_order_index): New method.
1467         (Layout::read_layout_from_file): New method.
1468         (Layout::input_section_position_): New private member.
1469         (Layout::input_section_glob_): New private member.
1470         * main.cc (main): Call read_layout_from_file here.
1471         * options.h (--section-ordering-file): New option.
1472         * output.cc (Output_section::input_section_order_specified_): New
1473         member.
1474         (Output_section::Output_section): Initialize new member.
1475         (Output_section::add_input_section): Add new parameter.
1476         Keep input sections when --section-ordering-file is used.
1477         (Output_section::set_final_data_size): Sort input sections when
1478         section ordering file is specified.
1479         (Output_section::Input_section_sort_entry): Add new parameter.
1480         Check sorting type.
1481         (Output_section::Input_section_sort_entry::compare_section_ordering):
1482         New method.
1483         (Output_section::Input_section_sort_compare::operator()): Change to
1484         consider section_order_index.
1485         (Output_section::Input_section_sort_init_fini_compare::operator()):
1486         Change to consider section_order_index.
1487         (Output_section::Input_section_sort_section_order_index_compare
1488         ::operator()): New method.
1489         (Output_section::sort_attached_input_sections): Change to sort
1490         according to section order when specified.
1491         (Output_section::add_input_section<32, true>): Add new parameter.
1492         (Output_section::add_input_section<64, true>): Add new parameter.
1493         (Output_section::add_input_section<32, false>): Add new parameter.
1494         (Output_section::add_input_section<64, false>): Add new parameter.
1495         * output.h (Output_section::add_input_section): Add new parameter.
1496         (Output_section::input_section_order_specified): New
1497         method.
1498         (Output_section::set_input_section_order_specified): New method.
1499         (Input_section::Input_section): Initialize section_order_index_.
1500         (Input_section::section_order_index): New method.
1501         (Input_section::set_section_order_index): New method.
1502         (Input_section::section_order_index_): New member.
1503         (Input_section::Input_section_sort_section_order_index_compare): New
1504         struct.
1505         (Output_section::input_section_order_specified_): New member.
1506         * script-sections.cc (is_wildcard_string): Delete and move modified
1507         method to gold.h.
1508         (Output_section_element_input::Output_section_element_input): Modify
1509         call to is_wildcard_string.
1510         (Output_section_element_input::Input_section_pattern
1511         ::Input_section_pattern): Ditto.
1512         (Output_section_element_input::Output_section_element_input): Ditto.
1513         * testsuite/Makefile.am (final_layout): New test case.
1514         * testsuite/Makefile.in: Regenerate.
1515         * testsuite/final_layout.cc: New file.
1516         * testsuite/final_layout.sh: New file.
1518 2010-06-01  Rafael Espindola  <espindola@google.com>
1520         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1522 2010-06-01  Rafael Espindola  <espindola@google.com>
1524         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1525         visibility of symbols.
1527 2010-05-27  Doug Kwan  <dougkwan@google.com>
1529         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1530         from start of output section instead of address for a local symbol
1531         in a merged or relaxed section when doing a relocatable link.
1533 2010-05-26  Rafael Espindola  <espindola@google.com>
1535        PR 11604
1536         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1537         adding sections the garbage collector removed.
1538         * gold/testsuite/Makefile.am: Add test.
1539         * gold/testsuite/Makefile.in: Regenerate.
1540         * gold/testsuite/plugin_test_7.sh: New.
1541         * gold/testsuite/plugin_test_7_1.c: New.
1542         * gold/testsuite/plugin_test_7_2.c: New.
1544 2010-05-26  Rafael Espindola  <espindola@google.com>
1546         * script-sections.cc (Output_section_definition::set_section_addresses):
1547         Check for --section-start.
1549 2010-05-26  Doug Kwan  <dougkwan@google.com>
1551         * arm.cc (Arm_scan_relocatable_relocs): New class.
1552         (Target_arm::relocate_special_relocatable): New method.
1553         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1554         (Arm_relocate_functions::thumb_branch_common): Same.
1555         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1556         instead of Default_scan_relocatable_relocs.
1557         * target-reloc.h (relocate_for_relocatable): Let target handle
1558         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1559         * target.h (Sized_target::relocate_special_relocatable): New method.
1561 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1563         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1565 2010-05-23  Doug Kwan  <dougkwan@google.com>
1567         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1568         instead of a cast.
1569         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1570         with a direct branch, not a conditional branch, to a stub.
1571         * merge.cc (Output_merge_base::record_input_section): New method
1572         defintion.
1573         (Output_merge_data::do_add_input_section): Record input section if
1574         keeps-input-sections flag is set.
1575         (Output_merge_string::do_add_input_section): Ditto.
1576         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1577         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1578         INPUT_SECTIONS_.
1579         (Output_merge_base::keeps_input_sections,
1580         Output_merge_base::set_keeps_input_sections,
1581         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1582         method definitions.
1583         (Output_merge_base::Input_sections): New type declaration.
1584         (Output_merge_base::input_sections_begin,
1585         Output_merge_base::input_sections_end,
1586         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1587         (Output_merge_base::bool keeps_input_sections_,
1588         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1589         Output_merge_base::input_sections_): New data members.
1590         (Output_merge_data::do_set_keeps_input_sections): New method
1591         defintion.
1592         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1593         * output.cc (Output_section::Input_section::relobj): Move method
1594         defintion from class declaration to here and handle merge sections.
1595         (Output_section::Input_section::shndx): Ditto.
1596         (Output_section::Output_section): Remove initializations of removed
1597         data members and initialize new data member LOOKUP_MAPS_.
1598         (Output_section::add_input_section): Set keeps-input-sections flag
1599         for a newly created merge output section as appropriate.  Adjust code
1600         to use Output_section_lookup_maps class.
1601         (Output_section::add_relaxed_input_section): Adjst code for lookup
1602         maps code refactoring.
1603         (Output_section::add_merge_input_section): Add a new parameter
1604         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1605         class.  If adding input section to a newly created merge output
1606         section fails, remove the new merge section.
1607         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1608         Adjust code for use of the Output_section_lookup_maps class.
1609         (Output_section::find_merge_section): Ditto.
1610         (Output_section::build_lookup_maps): New method defintion.
1611         (Output_section::find_relaxed_input_section): Adjust code to use
1612         Output_section_lookup_maps class.
1613         (Output_section::get_input_sections): Export merge sections.  Adjust
1614         code to use Output_section_lookup_maps class.
1615         (Output_section:::add_script_input_section): Adjust code to use
1616         Output_section_lookup_maps class.  Update lookup maps for merge
1617         sections also.
1618         (Output_section::discard_states): Use Output_section_lookup_maps.
1619         (Output_section::restore_states): Same.
1620         * output.h (Merge_section_properties): Move class defintion out of
1621         Output_section.
1622         (Output_section_lookup_maps): New class.
1623         (Output_section::Input_section::is_merge_section): New method
1624         defintion.
1625         (Output_section::Input_section::relobj): Move defintion out of class
1626         defintion.  Declare method only.
1627         (Output_section::Input_section::shndx): Ditto.
1628         (Output_section::Input_section::output_merge_base): New method defintion.
1629         (Output_section::Input_section::u2_.pomb): New union field.
1630         (Output_section::Merge_section_by_properties_map,
1631         Output_section::Output_section_data_by_input_section_map,
1632         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1633         Remove types.
1634         (Output_section::add_merge_input_section): Add new parameter
1635         KEEPS_INPUT_SECTIONS.
1636         (Output_section::build_lookup_maps): New method declaration.
1637         (Output_section::merge_section_map_,
1638         Output_section::merge_section_by_properties_map_,
1639         Output_section::relaxed_input_section_map_,
1640         Output_section::is_relaxed_input_section_map_valid_): Remove data
1641         members.
1642         (Output_section::lookup_maps_): New data member.
1644 2010-05-21  Doug Kwan  <dougkwan@google.com>
1646         PR gold/11619
1647         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1648         avoid a compilation error.
1650 2010-05-19  Rafael Espindola  <espindola@google.com>
1652         * script-sections.cc (Output_section_definition::allocate_to_segment):
1653         Update the phdrs_list even when the output section is NULL.
1654         * testsuite/Makefile.am: Add test.
1655         * testsuite/Makefile.in: Regenerate.
1656         * testsuite/script_test_9.cc: New.
1657         * testsuite/script_test_9.sh: New.
1658         * testsuite/script_test_9.t: New.
1660 2010-05-19  Doug Kwan  <dougkwan@google.com>
1662         * arm.cc (Arm_input_section::original_size): New method.
1663         (Arm_input_section::do_addralign): Add a cast.
1664         (Arm_input_section::do_output_offset): Remove static cast.
1665         (Arm_input_section::original_addralign,
1666          Arm_input_section::original_size_): Change type to uint32_t.
1667         (Arm_input_section::init): Add safe casts for section alignment
1668         and size.
1669         (Arm_input_section::set_final_data_size): Do not set address and
1670         offset of stub table.
1671         (Arm_output_section::fix_exidx_coverage): Change use of of
1672         Output_section::Simple_input_section to that of
1673         Output_section::Input_section.
1674         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1675         except for the first pass.
1676         * output.cc (Output_section::get_input_sections): Change type of
1677         input_sections to std::list<Input_section>.
1678         (Output_section::add_script_input_section): Rename from
1679         Output_section::add_simple_input_section.  Change type of SIS
1680         parameter from Simple_input_section to Input_section.
1681         * output.h (Output_section::Simple_input_section): Remove class.
1682         (Output_section::Input_section): Change class visibility to public.
1683         (Output_section::Input_section::addralign): Use stored alignments
1684         for special input sections if set.
1685         (Output_section::Input_section::set_addralign): New method.
1686         (Output_section::get_input_sections): Change parameter type from
1687         list of Simple_input_section to list of Input_section.
1688         (Output_section::add_script_input_section): Rename from
1689         Output_section::add_simple_input_section. Change first parameter's
1690         type from Simple_input_section to Input_section and remove the
1691         second and third parameters.
1692         * script-sections.cc (Input_section::Input_section_list): Change
1693         type to list of Output_section::Input_section/
1694         (Input_section_info::Input_section_info): Change parameter type of
1695         INPUT_SECTION to Output_section::Input_section.
1696         (Input_section_info::input_section): Change return type.
1697         (Input_section_info::input_section_): Change type to
1698         Output_section::Input_section.
1699         (Output_section_element_input::set_section_addresses): Adjust code
1700         to use Output_section::Input_section instead of
1701         Output_section::Simple_input_section.  Adjust code for renaming
1702         of Output_section::add_simple_input_section.
1703         (Orphan_output_section::set_section_addresses): Ditto.
1705 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1707         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1708         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1710 2010-05-18  Rafael Espindola  <espindola@google.com>
1712         * options.cc (General_options::finalize): Handle -nostdlib.
1713         * options.h (nostdlib): New option.
1714         * script.cc (script_add_search_dir): Handle -nostdlib.
1716 2010-05-12  Doug Kwan  <dougkwan@google.com>
1718         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1719         attributes section only if there no attributes section after merging.
1720         (Target_arm::merge_object_attributes): Move value of
1721         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1722         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1723         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1724         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1725         and arm_attr_merge_7.stdout.
1726         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1727         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1728         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1729         arm_attr_merge_7b.o): New rules.
1730         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1731         arm_attr_merge_7
1732         * testsuite/Makefile.in: Regenerate.
1733         * testsuite/arm_attr_merge.sh: New file.
1734         * testsuite/arm_attr_merge_[67][ab].s: Same.
1736 2010-05-05  Nick Clifton  <nickc@redhat.com>
1738         * po/es.po: Updated Spanish translation.
1740 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1742         * Makefile.am (install-exec-local): Properly install gold as
1743         default cross linker.
1744         * Makefile.in: Regenerated.
1746 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1747             Nick Clifton  <nickc@redhat.com>
1749         * configure.ac (install_as_default): Define and set to false
1750         unless --enable-gold or --enable-gold=both/gold has been
1751         specified.
1752         * configure: Regenerate.
1754         * Makefile.am (install-exec-local): Install the executable as
1755         'ld.gold'.  If install_as_default is true then also install it as
1756         'ld'.
1757         * Makefile.in: Regenerated.
1759 2010-04-24  Ian Lance Taylor  <iant@google.com>
1761         * layout.cc (Layout::layout_reloc): In relocatable link don't
1762         combine reloc sections for grouped sections.
1764 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
1766         * gc.h (gc_process_relocs): Pass information on relocs pointing to
1767         sections that are not ordinary to icf.
1768         * icf.cc (get_section_contents): Handle relocation pointing to section
1769         with no object or shndx information.
1770         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
1771         * testsuite/Makefile.in: Regenerate.
1772         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
1773         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
1775 2010-04-22  Ian Lance Taylor  <iant@google.com>
1777         * expression.cc (Expression::Expression_eval_info): Add
1778         result_alignment_pointer field.
1779         (Expression::eval_with_dot): Add result_alignment_pointer
1780         parameter.  Change all callers.
1781         (Expression::eval_maybe_dot): Likewise.
1782         (class Binary_expression): Add alignment_pointer parameter to
1783         left_value and right_value.  Change all callers.
1784         (BINARY_EXPRESSION): Set result alignment.
1785         (class Trinary_expression): Add alignment_pointer parameter to
1786         arg2_value and arg3_value.  Change all callers.
1787         (Trinary_cond::value): Set result alignment.
1788         (Max_expression::value, Min_expression::value): Likewise.
1789         (Align_expression::value): Likewise.
1790         * script-sections.cc (class Sections_element): Add dot_alignment
1791         parameter to set_section_addresses virtual function.  Update
1792         instantiations.
1793         (class Output_section_element): Likewise.
1794         (Script_sections::create_segments): Add dot_alignment parameter.
1795         Change all callers.
1796         (Script_sections::create_segments_from_phdrs_clause): Likewise.
1797         (Script_sections::set_phdrs_clause_addresses): Likewise.
1798         * script-sections.h: Update declarations.
1799         * script.h: Update declarations.
1800         * output.h (Output_segment::set_minimum_p_align): Don't decrease
1801         min_p_align.
1802         * testsuite/script_test_3.t: Set large alignment.
1803         * testsuite/script_test_3.sh: Make sure that at least one LOAD
1804         segment has expected alignment.
1806 2010-04-22  Nick Clifton  <nickc@redhat.com>
1808         * po/gold.pot: Updated by the Translation project.
1809         * po/vi.po: Updated Vietnamese translation.
1811 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
1813         * testsuite/Makefile.am (check_PROGRAMS): Add
1814         icf_virtual_function_folding_test.
1815         * testsuite/Makefile.in: Regenerated.
1817 2010-04-15  Andrew Haley  <aph@redhat.com>
1819         * options.h (merge_exidx_entries): New option.
1820         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
1821         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
1822         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
1823         (Target_arm::merge_exidx_entries): New function.
1824         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
1825         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
1826         to Arm_exidx_fixup constructor.
1827         Add new arg, merge_exidx_entries.
1828         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
1829         Arm_output_section::fix_exidx_coverage.
1831 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
1833         * icf.cc (get_section_contents): Check for preemptible functions.
1834         Ignore addend when appropriate.
1835         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
1836         section folded.
1837         (add_from_relobj): Check for section folded.
1838         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
1839         * symtab.h (should_add_dynsym_entry): Add new parameter.
1840         * target-reloc.h (scan_relocs): Check for section folded.
1841         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
1842         Check reloc types for function pointers in shared objects.
1843         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
1844         case.
1845         (icf_preemptible_functions_test): New test case.
1846         (icf_string_merge_test): New test case.
1847         * testsuite.Makefile.in: Regenerate.
1848         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
1849         bar_glob.  Refactor code.
1850         * testsuite/icf_preemptible_functions_test.cc: New file.
1851         * testsuite/icf_preemptible_functions_test.sh: New file.
1852         * testsuite/icf_string_merge_test.cc: New file.
1853         * testsuite/icf_string_merge_test.sh: New file.
1854         * testsuite/icf_virtual_function_folding_test.cc: New file.
1855         * testsuite/icf_virtual_function_folding_test.sh: New file.
1857 2010-04-14  Doug Kwan  <dougkwan@google.com>
1859         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
1860         for local symbol recounting if we remove a section due to ICF.
1861         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
1862         there are no regular objects in input.
1864 2010-04-13  Doug Kwan  <dougkwan@google.com>
1866         * arm.cc (Arm_input_section::set_final_data_size): Compute
1867         accurate final data size instead of using current data size.
1869 2010-04-09  Doug Kwan  <dougkwan@google.com>
1871         * layout.cc (Layout::choose_output_section): Handle script section
1872         types.
1873         (Layout::make_output_section_for_script): Add section type parameter.
1874         Handle script section types.
1875         * layout.h (Layout::make_output_section_for_script): Add section
1876         type parameter.
1877         * output.cc (Output_section::Output_section): Initialize data member
1878         is_noload_.
1879         (Output_section::do_reset_address_and_file_offset): Do not set address
1880         to 0 if section is a NOLOAD section.
1881         * output.h (Output_section::is_noload): New method.
1882         (Output_section::set_is_noload): Ditto.
1883         (Output_section::is_noload_): New data member.
1884         * script-c.h (Script_section_type): New enum type.
1885         (struct Parser_output_section_header): Add new file section_type.
1886         * script-sections.cc (Sections_element::output_section_name): Add
1887         parameter for returning script section type.
1888         (Output_section_definition::output_section_name): Ditto.
1889         (Output_section_definition::section_type)P; New method.
1890         (Output_section_definiton::script_section_type_name): Ditto.
1891         (Output_section_definition::script_section_type_): New data member.
1892         (Output_section_definition::Output_section_definition): Initialize
1893         data member Output_section_definition::script_section_type_.
1894         (Output_section_definition::create_sections): Pass script section type
1895         to Layout::make_output_section_for_script.
1896         (Output_section_definition::output_section_name): Return script
1897         section type to caller.
1898         (Output_section_definition::set_section_address): Do not advance
1899         dot value and load address if section type is NOLOAD.  Set address
1900         of NOLOAD sections regardless of section flags.
1901         (Output_section_definition::print): Print section type if it is
1902         not SCRIPT_SECTION_TYPE_NONE.
1903         (Output_section_definition::section_type): New method.
1904         (Output_section_definition::script_section_type_name): Ditto.
1905         (Script_sections::output_section_name): Add new parameter
1906         PSECTION_TYPE for returning script section type.  Pass it to
1907         section elements.  Handle discard sections.
1908         (Sort_output_sections::operator()): Handle NOLOAD sections.
1909         * script-sections.h (Script_sections::Section_type): New enum type.
1910         (Script_sections::output_section_name): Add a new parameter for
1911         returning script section type.
1912         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
1913         INFO and NOLOAD.
1914         * yyscript.y (union): Add new field SECTION_TYPE.
1915         (COPY, DSECT, INFO, NOLOAD): New tokens.
1916         (opt_address_and_section_type): Change type to output_section_header.
1917         (section_type): New non-terminal
1918         (section_header): Handle section type.
1919         (opt_address_and_section_type): Return section type value.
1921 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1923         * testsuite/plugin_common_test_1.c (foo): Add prototype.
1924         * testsuite/plugin_common_test_2.c (foo): Likewise.
1926 2010-04-08  Doug Kwan  <dougkwan@google.com>
1928         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
1929         Output_merge_data.
1930         * output.cc (Output_section::add_merge_input_section): Simplify
1931         code and return status of Output_merge_base::add_input_section.
1932         Update merge section map only if Output_merge_base::add_input_section
1933         returns true.
1935 2010-04-07  Doug Kwan  <dougkwan@google.com>
1937         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
1938         if section is marked as containing instructions but has no mapping
1939         symbols.
1940         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
1941         correct section index.
1942         (Arm_relobj::find_linked_text_section): Ditto.
1944 2010-04-07  Cary Coutant  <ccoutant@google.com>
1946         * archive.cc (include_member): Destroy Read_symbols_data object before
1947         releasing file.
1948         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
1949         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
1950         (Read_symbols_data::~Read_symbols_data) New destructor.
1951         (Section_relocs::Section_relocs) New constructor.
1952         (Section_relocs::~Section_relocs) New destructor.
1953         (Read_relocs_data::Read_relocs_data) New constructor.
1954         (Read_relocs_data::~Read_relocs_data) New destructor.
1955         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
1956         pointers to NULL after deleting.
1958 2010-04-07  Doug Kwan  <dougkwan@google.com>
1960         * arm.cc: Replace "endianity" with "endianness" in comments.
1961         (Arm_exidx_cantunwind): Ditto.
1962         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
1963         (Arm_relobj::merge_flags_and_attributes): New method.
1964         (Arm_relobj::merge_flags_and_attributes_): New data member.
1965         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
1966         (Arm_relobj::scan_sections_for_stubs): Ditto.
1967         (Arm_relobj::do_read_symbols): Check to see if we really want to
1968         merge processor-specific flags and attributes.  Exit early if
1969         an object is empty except for section names and the undefined symbol.
1970         (Target_arm::do_finalize_sections): Move check for ELF format to
1971         Arm_relobj::do_read_symbols.  Merge processor specific flags and
1972         attributes from a regular object only when we have determined that
1973         it is aapropriate.  Do not create an .ARM.attributes section in
1974         output if there is no regular input object.
1975         (Target_arm::merge_processor_specific_flags): Check
1976         --warn-mismatch before printing any error.
1977         (Target_arm::merge_object_attributes): Ditto.
1978         * gold.cc (queue_middle_tasks): Handle the case in which there is
1979         no regular object in input.
1980         * options.cc (General_options::parse_EB): New method.
1981         (General_options::parse_EL): Same.
1982         (General_options::General_options): Initialize endianness_.
1983         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
1984         New options.
1985         (General_options::Endianness): New enum.
1986         (General_options::endianness): New method.
1987         (General_options::endianness_): New data member.
1988         * parameters.cc (Parameters::set_options): Check target endianness.
1989         (Parameters::set_target_once): Ditto.
1990         (Parameters::check_target_endianness): New method.
1991         (parameters_force_valid_target): If either -EL or -EB is specified,
1992         use it to define endianness of default target.
1993         * parameters.h (Parameters::check_target_endianness): New method
1994         declaration.
1995         * target.h (class Target): Change "endianity" to "endianness"
1996         in comments.
1998 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2000         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2001         * configure: Regenerate.
2002         * Makefile.in: Regenerate.
2003         * testsuite/Makefile.in: Regenerate.
2005 2010-04-06  Cary Coutant  <ccoutant@google.com>
2007         gcc PR lto/42757
2008         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2009         prevailing definitions of common symbols.
2010         * testsuite/plugin_test_6.sh: New test case.
2011         * testsuite/plugin_common_test_1.c: New test case.
2012         * testsuite/plugin_common_test_2.c: New test case.
2013         * testsuite/Makefile.am (plugin_test_6): New test case.
2014         * testsuite/Makefile.in: Regenerate.
2016 2010-04-06  Nick Clifton  <nickc@redhat.com>
2018         * po/vi.po: New Vietnamese translation.
2020 2010-03-30  Doug Kwan  <dougkwan@google.com>
2022         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2024 2010-03-25  Doug Kwan  <dougkwan@google.com>
2026         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2027         to avoid a conversion warning on a 32-bit host.
2029 2010-03-24  Ian Lance Taylor  <iant@google.com>
2031         * testsuite/script_test_3.t: Add a TLS segment.
2032         * testsuite/Makefile.am (check_PROGRAMS): Add
2033         tls_phdrs_script_test.
2034         (tls_phdrs_script_test_SOURCES): Define.
2035         (tls_phdrs_script_test_DEPENDENCIES): Define.
2036         (tls_phdrs_script_test_LDFLAGS): Define.
2037         (tls_phdrs_script_test_LDADD): Define.
2038         * testsuite/Makefile.in: Rebuild.
2040 2010-03-23  Cary Coutant  <ccoutant@google.com>
2042         * fileread.cc (find_or_make_view): Fix comment.
2044 2010-03-23  Ian Lance Taylor  <iant@google.com>
2046         * script-sections.cc (class Orphan_section_placement): Define
2047         PLACE_TLS and PLACE_TLS_BSS.
2048         (Orphan_section_placement::Orphan_section_placement): Initialize
2049         new places.
2050         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
2051         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
2052         (tls_script_test_SOURCES): Define.
2053         (tls_script_test_DEPENDENCIES): Define.
2054         (tls_script_test_LDFLAGS): Define.
2055         (tls_script_test_LDADD): Define.
2056         * testsuite/Makefile.in: Rebuild.
2058 2010-03-22  Doug Kwan  <dougkwan@google.com>
2060         * arm.cc (Arm_relocate_functions::abs8,
2061         Arm_relocate_functions::abs16): Use correct check for overflow
2062         specified in the ARM ELF specs.
2063         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
2064         target of a BLX instruction specially.
2065         (Reloc_stub::stub_type_for_reloc): Ditto.
2066         (Relocate::relocate): Use symbolic names instead of numeric relocation
2067         codes to report error.
2068         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
2069         workaround.
2070         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
2071         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
2072         thumb2_blx_out_of_range.stdout
2073         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
2074         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
2075         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
2076         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
2077         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
2078         thumb2_blx_in_range, thumb2_blx_in_range.o,
2079         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
2080         thumb2_blx_out_of_range.o): New rules.
2081         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
2082         thumb2_blx_in_range and thumb2_blx_out_of_range.
2083         * testsuite/Makefile.in: Regenerate.
2084         * arm_branch_in_range.sh: Add tests for THUMB BLX.
2085         * testsuite/thumb_blx_in_range.s: New file.
2086         * testsuite/thumb_blx_out_of_range.s: New file.
2088 2010-03-22  Rafael Espindola  <espindola@google.com>
2090         * archive.cc (Should_include): Move to archive.h.
2091         (should_include_member): Make it a member of Archive.
2092         (Lib_group): New.
2093         (Add_lib_group_symbols): New.
2094         * archive.h: Include options.h.
2095         (Archive_member): Moved from Archive.
2096         (Should_include): Moved from archive.cc.
2097         (Lib_group): New.
2098         (Add_lib_group_symbols): New.
2099         * dynobj.cc (do_should_include_member): New.
2100         * dynobj.h (do_should_include_member): New.
2101         * gold.cc (queue_initial_tasks): Update call to queue.
2102         * main.cc (main): Print lib group stats.
2103         * object.cc (do_should_include_member): New.
2104         * object.h: Include archive.h.
2105         (Object::should_include_member): New.
2106         (Object::do_should_include_member): New.
2107         (Sized_relobj::do_should_include_member): New.
2108         * options.cc (General_options::parse_start_lib): New.
2109         (General_options::parse_end_lib): New.
2110         (Input_arguments::add_file): Handle lib groups.
2111         (Input_arguments::start_group): Check we are not in a lib.
2112         (Input_arguments::start_lib): New.
2113         (Input_arguments::end_lib): New.
2114         * options.h (General_options): Add start_lib and end_lib.
2115         (Input_argument::lib_): New.
2116         (Input_argument::lib): New.
2117         (Input_argument::is_lib): New.
2118         (Input_file_lib): New.
2119         (Input_arguments::in_lib_): New.
2120         (Input_arguments::in_lib): New.
2121         (Input_arguments::start_lib): New.
2122         (Input_arguments::end_lib_): New.
2123         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
2124         in unused members as preempted.
2125         (Sized_pluginobj::do_should_include_member): New.
2126         * plugin.h (Sized_pluginobj::do_should_include_member): New.
2127         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
2128         return the blocker.
2129         (Read_symbols::do_whole_lib_group): New.
2130         (Read_symbols::do_lib_group): New.
2131         (Read_symbols::do_read_symbols): Handle lib groups.
2132         (Read_symbols::get_name): Handle lib groups.
2133         * readsyms.h (Read_symbols): Add an archive member pointer.
2134         (Read_symbols::do_whole_lib_group): New.
2135         (Read_symbols::do_lib_group): New.
2136         (Read_symbols::member_): New.
2137         * script.cc (read_input_script): Update call to queue_soon.
2139 2010-03-19  Doug Kwan  <dougkwan@google.com>
2141         * arm.cc (Stub_table::Stub_table): Initialize new data members
2142         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2143         (Stub_table::add_reloc_stub): Assign stub offset and update
2144         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2145         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
2146         New data members.
2147         (Stub_table::update_data_size_and_addralign): Use
2148         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
2149         instead of going over all reloc stubs.
2150         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
2151         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2152         Stringpool_template::offset_ to size of Stringpool_char.
2153         (Stringpool_template::new_key_offset): Remove code to initialize
2154         Stringpool_template::offset_.
2155         * stringpool.h (Stringpool_template::set_no_zero_null): Set
2156         Stringpool_template::offset_ to zero.
2158 2010-03-15  Doug Kwan  <dougkwan@google.com>
2160         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2161         offset_.
2162         (Stringpool_template::new_key_offset): New method.
2163         (Stringpool_template::add_string): Assign offsets when adding new
2164         strings.
2165         (Stringpool_template::set_string_offsets): Do not set string offsets
2166         when not optimizing.
2167         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
2168         member size_.
2169         (Chunked_vector::clear): Clear size_.
2170         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
2171         (Chunked_vector::size): Return size_.
2172         (Chunked_vector::push_back): Use size_ to find insert position.
2173         (Chunked_vector::size_): New data member.
2174         (Stringpool_template::set_no_zero_null): Assert string set is empty.
2175         (Stringpool_template::new_key_offset): New method declaration.
2176         (Stringpool_template::offset_): New data member.
2178 2010-03-15   Rafael Espindola  <espindola@google.com>
2180         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
2181         Add_symbols' constructor.
2182         * readsyms.h (Add_symbols): Remove the input_group member.
2184 2010-03-10  Ian Lance Taylor  <iant@google.com>
2186         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
2187         target to ask whether a reference to a symbol requires a stack
2188         split.
2189         * target.h (Target::is_call_to_non_split): New function.
2190         (Target::do_is_call_to_non_split): Declare virtual function.
2191         * target.cc: Include "symtab.h".
2192         (Target::do_is_call_to_non_split): New function.
2193         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
2195 2010-03-10  Cary Coutant  <ccoutant@google.com>
2197         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2198         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2199         (File_read::open[2]): Add whole_file_view_ to list of views.
2200         (File_read::make_view): Remove test of whole_file_view_.
2201         (File_read::find_or_make_view): Create whole_file_view_ if
2202         necessary.
2203         (File_read::clear_views): Replace bool parameter with enum;
2204         adjust all callers.  Don't delete views with permanent data;
2205         do delete cached views and views from archives if
2206         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2207         if clearing the corresponding view.
2208         * fileread.h (File_read::Clear_views_mode): New enum.
2209         (File_read::View::is_permanent_view): New method.
2210         (File_read::clear_views): Replace bool parameter
2211         with enum; adjust all callers.
2212         * options.h (General_options): Change keep_files_mapped option;
2213         add map_whole_files.
2214         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2215         releasing the file.
2216         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2217         the file.
2219 2010-03-10  David S. Miller  <davem@davemloft.net>
2221         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2223 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2225         * icf.cc (get_section_contents): Add '@' marker after processing the
2226         merge reloc.
2228 2010-03-08  Doug Kwan  <dougkwan@google.com>
2230         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2231         due to a conversion warning.
2232         (Arm_relobj::update_output_local_symbol_count): Check for local
2233         symbol with unset output index.
2235 2010-03-05  Ian Lance Taylor  <iant@google.com>
2237         * options.h (class General_options): Add --spare-dynamic-tags.
2238         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2239         --spare-dynamic-tags.
2241 2010-03-05  Ian Lance Taylor  <iant@google.com>
2243         * incremental.cc: Include "libiberty.h".
2245 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2247         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2248         function, is_info_ member.
2249         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2250         (Versions::Versions): Update caller.
2251         (Versions::define_base_version): Likewise.
2252         (Versions::add_def): Likewise.
2254 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2256         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2257         (Scan::possible_function_pointer_reloc): New function.
2258         (Scan::local_reloc_may_be_function_pointer): Change to call
2259         possible_function_pointer_reloc.
2260         (Scan::global_reloc_may_be_function_pointer): Ditto.
2261         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2262         relocations in ".data.rel.ro._ZTV" section.
2263         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2264         * testsuite/icf_safe_so_test.cc: Ditto.
2265         * testsuite/icf_safe_test.cc: Ditto.
2266         * testsuite/icf_safe_test.sh: Ditto.
2268 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2269             Ian Lance Taylor  <iant@google.com>
2271         * target-reloc.h (relocate_section): Check the symbol table index
2272         for -1U before setting the local symbol index.
2273         (scan_relocatable_relocs): If copying the relocation, record that
2274         the local symbol is required.
2275         * object.h (Symbol_value::is_output_symtab_index_set): New
2276         function.
2277         (Symbol_value::may_be_discarded_from_output_symtab): New
2278         function.
2279         (Symbol_value::has_output_symtab_entry): New function.
2280         (Symbol_value::needs_output_symtab_entry): Remove.
2281         (Symbol_value::output_symtab_index): Make sure the symbol index is
2282         set.
2283         (Symbol_value::set_output_symtab_index): Make sure the symbol
2284         index is not set.  Make sure the new index is valid.
2285         (Symbol_value::set_must_have_output_symtab_entry): New function.
2286         (Symbol_value::has_output_dynsym_entry): New function.
2287         (Symbol_value::set_output_dynsym_index): Make sure the new index
2288         is valid.
2289         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2290         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2291         local symbol if permitted.
2292         (Sized_relobj::do_finalize_local_symbols): Call
2293         is_output_symtab_index_set rather than needs_output_symtab_entry.
2294         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2295         rather than needs_output_symtab_entry.  Call
2296         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2297         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2298         is_output_symtab_index_set rather than needs_output_symtab_entry.
2299         * testsuite/discard_locals_relocatable_test.c: New file.
2300         * testsuite/discard_locals_test.sh: Test -r.
2301         * testsuite/Makefile.am (check_DATA): Add
2302         discard_locals_relocatable_test1.syms,
2303         discard_local_relocatable_test2.syms.
2304         (MOSTLYCLEANFILES): Likewise.  Also add
2305         discard_locals_relocatable_test1.lout and
2306         discard_locals_relocatable_test2.out.
2307         (discard_locals_relocatable_test1.syms): New target.
2308         (discard_locals_relocatable_test.o): New target.
2309         (discard_locals_relocatable_test1.out): New target.
2310         (discard_locals_relocatable_test2.syms): New target.
2311         (discard_locals_relocatable_test2.out): New target.
2312         (various): Add missing ../ld-new dependencies.
2313         * testsuite/Makefile.in: Rebuild.
2315 2010-03-03  Nick Clifton  <nickc@redhat.com>
2317         * po/fi.po: New Finnish translation.
2319 2010-03-01  Doug Kwan  <dougkwan@google.com>
2321         * layout.cc (Layout::Layout): Force section types of .init_array*,
2322         .preinit_array* and .fini_array* sections.
2323         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2324         Fix check of return value of std::string::find.().
2325         (Output_section::Input_section_sort_compare::operator()): Remove
2326         comment about .init_array.
2327         (Output_section::Input_section_sort_init_fini_compare::operator()):
2328         New method.
2329         (Output_section::sort_attached_input_sections): Handle .init_array
2330         and .fini_array specially.
2331         * output.h (Output_section::Inut_section_sort_compare): Update
2332         comment.
2333         (Output_section::Input_section_sort_init_fini_compare): New struct.
2335 2010-02-26  Doug Kwan  <dougkwan@google.com>
2337         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2338         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2339         * testsuite/debug_msg.sh: Avoid matching source line number for
2340         use of global variable undef_int.
2342 2010-02-26  Doug Kwan  <dougkwan@google.com>
2344         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2345         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2346         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2347         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2348         * options.cc (General_options::General_options): Initialize member
2349         fix_v4bx_.
2350         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2351         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2352         and rm_no_fix_v4bx.stdout
2353         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2354         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2355         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2356         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2357         and arm_no_fix_v4bx.
2358         * Makefile.in: Regenerate.
2359         * testsuite/arm_fix_v4bx.s: New file.
2360         * testsuite/arm_fix_v4bx.sh: Ditto.
2362 2010-02-24  Doug Kwan  <dougkwan@google.com>
2364         * arm.cc (Target_arm::got_section): Make the .got section the first
2365         non RELRO section in the data segment.
2366         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2367         suffixes of section names.
2369 2010-02-24  Doug Kwan  <dougkwan@google.com>
2371         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2372         flags and attributes merging if an input file is a binary file.
2373         * fileread.cc (Input_file::open): Record format of original file.
2374         * fileread.h (Input_file::Format): New enum type.
2375         (Input_file::Input_file): Initialize data member format_.
2376         (Input_file::format): New method definition.
2377         (Input_file::format_):: New data member.
2379 2010-02-24  Doug Kwan  <dougkwan@google.com>
2381         * arm.cc (Arm_output_data_got): New class.
2382         (ARM_TCB_SIZE): New constant
2383         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2384         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2385         If user uses a script with a SECTIONS clause, issue only a warning
2386         for a misplaced EXIDX input section.  Otherwise, issue an error.
2387         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2388         garbage collection.
2389         (Target_arm::got_mode_index_entry): Handle static linking.
2390         (Target_arm::Scan::local): Ditto.
2391         (Target_arm::Scan::global): Ditto.
2392         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2393         all incorrectly implemented relocations.
2394         (Target_arm::fix_exidx_coverage): Pass layout to
2395         Arm_output_section::fix_exidx_coverage.
2396         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2397         from ".ARM.exidx." and ".ARM.extab.".
2399 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2401         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2402         section if it does not already exist.
2403         * attributes.cc (Attributes_section_data::Attributes_section_data):
2404         Don't crash if size is zero.
2406 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2407             Ian Lance Taylor  <iant@google.com>
2409         * gold.cc (queue_middle_tasks): If no input files were opened,
2410         exit.
2411         * workqueue.h (Task_function::Task_function): Assert that there is
2412         a blocker.
2414 2010-02-22  Doug Kwan  <dougkwan@google.com>
2416         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2417         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2418         types to avoid warnings due to different uint64_t implementations
2419         on different hosts.
2421 2010-02-21  Doug Kwan  <dougkwan@google.com>
2423         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2424         handling of the maximum backward branch offset.
2425         (Arm_relocate_functions::thumb_branch_common): Ditto.
2426         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2427         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2428         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2429         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2430         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2431         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2432         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2433         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2434         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2435         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2436         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2437         thumb2_bl_out_of_range.o): New rules.
2438         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2439         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2440         thumb2_bl_out_of_range
2441         * testsuite/Makefile.in: Regenerate.
2442         * testsuite/arm_bl_in_range.s: New file.
2443         * testsuite/arm_bl_out_of_range.s: Ditto.
2444         * testsuite/arm_branch_in_range.sh: Ditto.
2445         * testsuite/arm_branch_range.t: Ditto.
2446         * testsuite/thumb2_branch_range.t: Ditto.
2447         * testsuite/thumb_bl_in_range.s: Ditto.
2448         * testsuite/thumb_bl_out_of_range.s: Ditto.
2449         * testsuite/thumb_branch_range.t: Ditto.
2451 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2453         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2454         Add reloc offset information.
2455         * icf.cc (get_section_contents): Change iterators to point to the new
2456         vectors. Add reloc offset information to the contents.
2457         * icf.h (Icf::Sections_reachable_info): New typedef.
2458         (Icf::Sections_reachable_list): New typedef.
2459         (Icf::Offset_info): New typedef.
2460         (Icf::Reloc_info): New struct typedef.
2461         (Icf::Reloc_info_list): New typedef.
2462         (Icf::symbol_reloc_list): Delete method.
2463         (Icf::addend_reloc_list): Delete method.
2464         (Icf::section_reloc_list): Delete method.
2465         (Icf::reloc_info_list): New method.
2466         (Icf::reloc_info_list_): New member.
2468 2010-02-19  Doug Kwan  <dougkwan@google.com>
2470         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2471         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2472         * arm.cc (Arm_relocation_functions): New forward declaration.
2473         (Target_arm::Target_arm): Initialize new data members
2474         got_mod_index_offset_ and tls_base_symbol_defined_.
2475         (Target_arm::Relocate::relocate_tls): New method.
2476         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2477          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2478         New methods.
2479         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2480         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2481         (Target_arm::got_mod_index_offset_,
2482         Target_arm::tls_base_symbol_defined_): New data members.
2483         (Target_arm::Scan::local, Target::Scan::global,
2484         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2485         relocations.
2487 2010-02-18  Doug Kwan  <dougkwan@google.com>
2489         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2490         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2491         text section as a parameter becuase some broken tools may not set
2492         the link in section header.
2493         (Target_arm::has_got_section): New method.
2494         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2495         without any mapping symbol as data only.  Remove warning.
2496         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2497         link in its section header, try to discover the link by inspecting the
2498         REL31 relocation at the beginning of the section.
2499         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2500         in error message.
2501         (Target_arm::Scan::global): Treat any reference to the symbol
2502         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2504 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2506         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2507         (Scan::global_reloc_may_be_function_pointer): New function.
2508         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2509         (Scan::global_reloc_may_be_function_pointer): New function.
2510         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2511         (Scan::global_reloc_may_be_function_pointer): New function.
2512         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2513         (Scan::global_reloc_may_be_function_pointer): New function.
2514         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2515         (Scan::global_reloc_may_be_function_pointer): New function.
2516         (Scan::possible_function_pointer_reloc): New function.
2517         (Target_x86_64::can_check_for_function_pointers): New function.
2518         * gc.h (gc_process_relocs): Scan relocation types to determine if
2519         function pointers were taken for targets that support it.
2520         * icf.cc (Icf::find_identical_sections): Include functions for
2521         folding in safe ICF whose pointer is not taken.
2522         * icf.h (Secn_fptr_taken_set): New typedef.
2523         (fptr_section_id_): New member.
2524         (section_has_function_pointers): New function.
2525         (set_section_has_function_pointers): New function.
2526         (check_section_for_function_pointers): New function.
2527         * options.h: Fix comment for safe ICF option.
2528         * target.h (can_check_for_function_pointers): New function.
2529         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2530         Modify icf_safe_test for X86-64.
2531         * testsuite/Makefile.in: Regenerate.
2532         * testsuite/icf_safe_so_test.cc: New file.
2533         * testsuite/icf_safe_so_test.sh: New file.
2534         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2535         (main): Change to take pointer to function kept_func_3.
2536         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2537         folding is done correctly for X86-64.
2539 2010-02-12  David S. Miller  <davem@davemloft.net>
2541         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2542         is_symbolless parameter.
2543         (Output_reloc<SHT_REL>::is_symbolless): New.
2544         (Output_reloc<SHT_REL>::is_symbolless_): New.
2545         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2546         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2547         (Output_reloc<SHT_RELA>::is_symbolless): New.
2548         (Output_data_reloc::add_global): Handle is_symbolless.
2549         (Output_data_reloc::add_global_relative): Likewise.
2550         (Output_data_reloc::add_local): Likewise.
2551         (Output_data_reloc::add_local_relative): Likewise.
2552         (Output_data_reloc::add_symbolless_global_addend): New.
2553         (Output_data_reloc::add_symbolless_local_addend): New.
2554         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2555         is_symbolless.
2556         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2557         instead of ->is_relative_
2558         (Output_reloc::write): Likewise.
2559         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2560         (Output_reloc::write_rel): Simplify.
2562         * sparc.cc (Target_sparc::Scan::local): Use
2563         ->add_symbolless_local_addend as needed.
2564         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2565         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2566         based upon relocation offset.
2568 2010-02-11  Doug Kwan  <dougkwan@google.com>
2570         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2571         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2572         beginning of function.
2573         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2574         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2575         parameter is_32bit in calls to should_apply_static_reloc.
2576         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2577         (check_DATA): Add arm_abs_global.stdout.
2578         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2579         arm_abs_global.stdout): New rules.
2580         (MOSTLLYCLEANFILES): Add arm_abs_global
2581         * Makefile.in: Regenerate.
2582         * testsuite/arm_abs_global.s: New file.
2583         * testsuite/arm_abs_global.sh: Ditto.
2584         * testsuite/arm_abs_lib.s: Ditto.
2586 2010-02-11  Ian Lance Taylor  <iant@google.com>
2588         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2589         Read_relocs task.
2590         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2591         Allocate_commons_task first.
2592         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2593         task, rather than symtab_lock_.
2594         (Gc_process_relocs::~Gc_process_relocs): New function.
2595         (Gc_process_relocs::is_runnable): Check this_blocker_.
2596         (Gc_process_relocs::locks): Use next_blocker_ rather than
2597         blocker_.
2598         (Scan_relocs::~Scan_relocs): New function.
2599         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2600         symtab_lock_.
2601         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2602         next_blocker_.
2603         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2604         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2605         constructor accordingly.
2606         (class Gc_process_relocs): Likewise.
2607         (class Scan_relocs): Likewise.
2608         * common.h (class Allocate_commons_task): Remove symtab_lock_
2609         field, and corresponding constructor parameter.
2610         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2611         symtab_lock_.
2612         (Allocate_commons_task::locks): Likewise.
2614 2010-02-11  Ian Lance Taylor  <iant@google.com>
2616         * gold-threads.h (class Once): Define.
2617         (class Initialize_lock): Rewrite as child of Once.
2618         * gold-threads.cc (class Once_initialize): Define.
2619         (once_pointer_control): New static variable.
2620         (once_pointer, once_arg): New static variables.
2621         (c_run_once): New static function.
2622         (Once::Once, Once::run_once, Once::internal_run): New functions.
2623         (class Initialize_lock_once): Remove.
2624         (initialize_lock_control): Remove.
2625         (initialize_lock_pointer): Remove.
2626         (initialize_lock_once): Remove.
2627         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2628         (Initialize_lock::initialize): Rewrite.
2629         (Initialize_lock::do_run_once): New function.
2630         * archive.cc (Archive::interpret_header): Only clear name if it is
2631         not already empty.
2632         * fileread.cc: Include "gold-threads.h"
2633         (file_counts_lock): New static variable.
2634         (file_counts_initialize_lock): Likewise.
2635         (File_read::release): Only increment counts when using --stats.
2636         Use a lock around the increment.
2637         * parameters.cc (class Set_parameters_target_once): Define.
2638         (set_parameters_target_once): New static variable.
2639         (Parameters::Parameters): Move here from parameters.h.
2640         (Parameters::set_target): Rewrite.
2641         (Parameters::set_target_once): New function.
2642         (Parameters::clear_target): Move here and rewrite.
2643         * parameters.h (class Parameters): Update declarations.  Add
2644         set_parameters_target_once_ field.
2645         (Parameters::Parameters): Move to parameters.cc.
2646         (Parameters::clear_target): Likewise.
2647         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2648         task.
2649         (Start_group::~Start_group): New function.
2650         (Start_group::is_runnable): New function.
2651         (Start_group::locks, Start_group::run): New functions.
2652         (Finish_group::run): Change saw_undefined to size_t.
2653         * readsyms.h (class Start_group): Define.
2654         (class Finish_group): Change saw_undefined_ field to size_t.
2655         (Finish_group::Finish_group): Remove saw_undefined and
2656         this_blocker parameters.  Change all callers.
2657         (Finish_group::set_saw_undefined): New function.
2658         (Finish_group::set_blocker): New function.
2659         * symtab.h (class Symbol_table): Change saw_undefined to return
2660         size_t.  Change saw_undefined_ field to size_t.
2661         * target-select.cc (Set_target_once::do_run_once): New function.
2662         (Target_selector::Target_selector): Initialize set_target_once_
2663         field.  Don't initialize lock_ and initialize_lock_ fields.
2664         (Target_selector::instantiate_target): Rewrite.
2665         (Target_selector::set_target): New function.
2666         * target-select.h (class Set_target_once): Define.
2667         (class Target_selector): Update declarations.  Make
2668         Set_target_once a friend.  Remove lock_ and initialize_lock_
2669         fields.  Add set_target_once_ field.
2671 2010-02-10  Ian Lance Taylor  <iant@google.com>
2673         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2674         queueing any tasks.
2675         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2676         (queue_middle_tasks): Add all blockers before queueing any tasks.
2677         (queue_final_tasks): Likewise.
2678         * token.h (Task_token::add_blockers): New function.
2679         * object.h (Input_objects::number_of_relobjs): New function.
2681 2010-02-10  Ian Lance Taylor  <iant@google.com>
2683         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2684         shared, not if not position independent.
2685         * x86_64.cc (Relocate::relocate_tls): Likewise.
2686         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2687         (tls_pie_pic_test): New target.
2688         * testsuite/Makefile.in: Rebuild.
2690         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2691         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2692         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2693         * testsuite/Makefile.in: Rebuild.
2695 2010-02-09  David S. Miller  <davem@davemloft.net>
2697         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2698         R_SPARC_RELATIVE using ->add_local_relative().
2699         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2701         * output.h (Output_data_dynamic::add_section_size): New method
2702         that takes two Output_data objects.
2703         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2704         entry param.  Handle it in initializers.
2705         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2706         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2707         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2708         arg.
2709         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2710         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2711         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2712         for dynrel_includes_plt.
2713         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2714         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2715         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2716         before .rela.plt
2717         (Target_sparc::do_finalize_sections): Update to pass true for
2718         dynrel_includes_plt.
2719         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2720         output before .rela.plt
2721         (Target_powerpc::do_finalize_sections): Update to pass true for
2722         dynrel_includes_plt when 32-bit.
2724 2010-02-08  Doug Kwan  <dougkwan@google.com>
2726         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2727         method.
2728         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2729         Arm_relobj::scan_section_for_cortex_a8_stubs,
2730         Arm_relobj::do_relocation_section): Instead of calling
2731         Output_section::output_address, use faster
2732         Arm_relobj::simple_input_section_output_address.
2734 2010-02-08  David S. Miller  <davem@davemloft.net>
2736         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2737         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2738         relocation helper function.
2740         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2741         just like R_SPARC_GOT{10,13,22}.
2742         (Target_sparc::Scan::local): Likewise.
2743         (Target_sparc::Relocate:relocate): Likewise.
2745 2010-02-06  Ian Lance Taylor  <iant@google.com>
2747         * configure.ac: Rewrite targetobjs duplicate removal code to use
2748         only shell constructs.
2749         * configure: Rebuild.
2751 2010-02-05  Doug Kwan  <dougkwan@google.com>
2753         PR 11247
2754         * arm.cc (Arm_relobj::section_is_scannable): New method.
2755         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
2756         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2758 2010-02-04  Doug Kwan  <dougkwan@google.com>
2760         PR 11247
2761         * arm-reloc-property.cc (cstdio): Include.
2762         * configure.ac (targetobjs): Remove duplicates.
2763         * configure: Regenerate.
2764         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
2765         big and little endian version for a given address size.
2767 2010-02-03  Doug Kwan  <dougkwan@google.com>
2769         * arm-reloc-property.cc
2770         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2771         definition.
2772         * arm-reloc-property.h
2773         (Arm_reloc_property_table::get_implemented_static_reloc_property):
2774         New method definition.
2775         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2776         declaration.
2777         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
2778         overflow to N.
2779         (GOT_PREL): Change implemented to Y.
2780         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
2781         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
2782         (Arm_relocate_functions::movw_abs_nc): Remove method.
2783         (Arm_relocate_functions::movt_abs): Ditto.
2784         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
2785         (Arm_relocate_functions::thm_movt_abs): Ditto.
2786         (Arm_relocate_functions::movw_rel_nc): Ditto.
2787         (Arm_relocate_functions::movw_rel): Ditto.
2788         (Arm_relocate_functions::movt_rel): Ditto.
2789         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
2790         (Arm_relocate_functions:thm_movw_rel): Ditto.
2791         (Arm_relocate_functions:thm_movt_rel): Ditto.
2792         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
2793         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
2794         New method definitions.
2795         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
2796         (Arm_relocation_functions::arm_grp_ldr): Ditto.
2797         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
2798         (Arm_relocation_functions::arm_grp_ldc): Ditto.
2799         (Target_arm::Relocate::relocate): Check for non-static or
2800         unimplemented relocation code and exit early.  Change calls to
2801         Target_arm::reloc_uses_thumb_bit and
2802         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
2803         instead.  Refactor code to handle similar relocations to increase
2804         code sharing.  Remove check for unsupported relocation code in switch
2805         statement.
2806         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
2807         relocation property table to find out size.  Change error message to
2808         print out the name of a relocation code instead of the numeric value.
2809         (Target_arm::scan_reloc_for_stub): Use relocation property table
2810         instead of calling Target_arm::reloc_uses_thumb_bit().
2812 2010-02-02  Doug Kwan  <dougkwan@google.com>
2814         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
2815         types of relaxed input section.
2817 2010-02-02  Doug Kwan  <dougkwan@google.com>
2819         * Makefile.am (HFILES): Add arm-reloc-property.h.
2820         (DEFFILES): New.
2821         (TARGETSOURCES): Add arm-reloc-property.cc
2822         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
2823         (libgold_a_SOURCES): $(DEFFILES)
2824         * Makefile.in: Regenerate.
2825         * arm-reloc-property.cc: New file.
2826         * arm-reloc-property.h: New file.
2827         * arm-reloc.def: New file.
2828         * arm.cc: Update comments.
2829         (arm-reloc-property.h): New included header.
2830         (arm_reloc_property_table): New global variable.
2831         (Target_arm::do_select_as_default_target): New method definition.
2832         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
2833         arm-reloc-property to targ_extra_obj.
2834         * parameters.cc (set_parameters_target): Call
2835         Target::select_as_default_target().
2836         * target.h (Target::select_as_default_target): New method definition.
2837         (Target::do_select_as_default_target): Same.
2839 2010-02-01  Doug Kwan  <dougkwan@google.com>
2841         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
2842         first_output_text_section_.
2843         (Arm_exidx_fixup::first_output_text_section): New method definition.
2844         (Arm_exidx_fixup::first_output_text_section_): New data member.
2845         (Arm_exidx_fixup::process_exidx_section): Record the first text
2846         output section seen.
2847         (Arm_output_section::fix_exidx_coverage): Set correct linked section
2848         and entsize in output section header.
2850 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2852         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
2853         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
2854         (Arm_relocate_functions::thm_alu11): New Method.
2855         (Arm_relocate_functions::thm_pc8): New Method.
2856         (Arm_relocate_functions::thm_pc12): New Method.
2857         (Target_arm::Scan::local): Handle the relocations.
2858         (Target_arm::Scan::global): Likewise.
2859         (Target_arm::Relocate::relocate): Likewise.
2860         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2862 2010-01-29  Doug Kwan  <dougkwan@google.com>
2864         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
2865         of relocation types as ld.
2867 2010-01-29  Doug Kwan  <dougkwan@google.com>
2869         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
2870         to public.
2871         (Arm_relocate_functions::thumb_branch_common): Ditto.
2872         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
2873         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
2874         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
2875         Arm_relocate_functions::jump24): Remove.
2876         (Target_arm::Relocate::relocate): Adjust code to call
2877         Arm_relocation_functions::arm_branch_common and
2878         Arm_relocation_functions::thumb_branch_common instead of their removed
2879         wrappers.  Merge switch-cases together to reduce source code size.
2881 2010-01-29  Doug Kwan  <dougkwan@google.com>
2883         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
2884         output_local_symbol_count_needs_update_.
2885         (Arm_relobj::output_local_symbol_count_needs_update,
2886          Arm_relobj::set_output_local_symbol_count_needs_update,
2887          Arm_relobj::update_output_local_symbol_count): New methods.
2888         (Arm_relobj::output_local_symbol_count_needs_update_): New data
2889         member.
2890         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
2891         of pointed function as in a R_ARM_PREL31 relocation.
2892         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
2893         for output local symbol count updating.
2894         (Target_arm::do_relax): Update output local symbol counts in objects
2895         if necessary.
2896         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
2898 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2900         * arm.cc: Added support for the ARM relocations:
2901         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
2902         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
2903         (Arm_relocate_functions::movw_rel_nc): Renamed (was
2904         movw_prel_nc).
2905         (Arm_relocate_functions::movw_rel): New method.
2906         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
2907         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
2908         thm_movw_prel_nc).
2909         (Arm_relocate_functions::thm_movw_rel): New method.
2910         (Arm_relocate_functions::thm_movt_rel): Renamed (was
2911         thm_movt_prel).
2912         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
2913         relocations.
2914         (Target_arm::Scan::global): Likewise.
2915         (Target_arm::Relocate::relocate): Likewise.
2916         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2917         Likewise.
2919 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2921         * arm.cc: Added support for ARM group relocations.
2922         (Target_arm::reloc_needs_sym_origin): New method.
2923         (Arm_relocate_functions::calc_grp_kn): New method.
2924         (Arm_relocate_functions::calc_grp_residual): New method.
2925         (Arm_relocate_functions::calc_grp_gn): New method.
2926         (Arm_relocate_functions::arm_grp_alu): New Method.
2927         (Arm_relocate_functions::arm_grp_ldr): New Method.
2928         (Arm_relocate_functions::arm_grp_ldrs): New Method.
2929         (Arm_relocate_functions::arm_grp_ldc): New Method.
2930         (Target_arm::Scan::local): Handle the ARM group relocations.
2931         (Target_arm::Scan::global): Likewise.
2932         (Target_arm::Relocate::relocate): Likewise.
2933         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2934         Likewise.
2936 2010-01-26  Doug Kwan  <dougkwan@google.com>
2938         * arm.cc (set): Include.
2939         (class Arm_exidx_fixup): Change type of last_input_section_ to const
2940         pointer type.
2941         (Arm_output_section::Text_section_list): New type.
2942         (Arm_output_section::append_text_sections_to_list): New method.
2943         (Arm_output_section::fix_exidx_coverage): Ditto.
2944         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
2945         (Arm_relobj::convert_input_section_to_relaxed_section): Use
2946         Relobj::set_section_offset() instead of
2947         Sized_relobj::invalidate_section_offset().
2948         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
2949         parameter for section headers. Ignore relocation sections for
2950         unallocated sections and EXIDX sections.
2951         (Target_arm::fix_exidx_coverage): New method.
2952         (Target_arm::output_section_address_less_than): New type.
2953         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
2954         linked text section instead of the EXIDX section.
2955         (Arm_output_section::create_stub_group): Add an assertion to check
2956         that this is not an EXIDX output section.
2957         (Arm_output_section::append_text_sections_to_list): New method.
2958         (Arm_output_section::fix_exidx_coverage): Ditto.
2959         (Arm_relobj::scan_sections_for_stubs): Adjust call to
2960         Arm_relobj::section_needs_reloc_stub_scanning.
2961         (Target_arm::do_relax): Fix EXIDX output section coverage in the
2962         first pass.
2963         (Target_arm::fix_exidx_coverage): New method.
2964         * object.h (Relobj::set_output_section): New method.
2965         (Sized_relobj::invalidate_section_offset): Remove method.
2966         (Sized_relobj::do_invalidate_section_offset): Remove method.
2967         (Sized_relobj::do_set_section_offset): Handle offset value -1.
2969 2010-01-25  Doug Kwan  <dougkwan@google.com>
2971         * arm.cc (Arm_exidx_merged_section::do_output_offset):
2972         Fix warning due to signed and unsigned comparison on a 32-bit host.
2974 2010-01-22  Doug Kwan  <dougkwan@google.com>
2976         * arm.cc (Target_arm::do_relax): Record an output section for section
2977         offset adjustment it contains any stub table that has changed.
2978         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
2979         offsets in an output section if necessary.
2980         * output.cc (Output_section::Output_section): Initialize
2981         section_offsets_need_adjustments_.
2982         (Output_section::add_input_section_for_script): Renamed to
2983         Output_section::add_simple_input_section.
2984         (Output_section::save_states): Add a comment.
2985         (Output_section::discard_states): New method defintion.
2986         (Output_section::adjust_section_offsets): Same.
2987         * output.h (Output_section::add_input_section_for_script): Renamed to
2988         Output_section::add_simple_input_section.
2989         (Output_section::discard_states): New method declaration.
2990         (Output_section::adjust_section_offsets): Same.
2991         (Output_section::section_offsets_need_adjustment,
2992         Output_section::set_section_offsets_need_adjustment): New method
2993         definitions.
2994         (Output_section::section_offsets_need_adjustment_): New data member.
2995         * script-sections.cc
2996         (Output_section_element_input::set_section_address): Adjust code for
2997         renaming of Output_section::add_input_section_for_script.
2998         (Orphan_output_section::set_section_address): Same.
3000 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3002         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3003         Fix_v4bx enum values .
3004         * gold/options.h (General_options): New option definitions.
3005         (General_options::fix_v4bx): New method.
3006         (General_options::Fix_v4bx): New enum.
3007         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3008         (General_options::parse_fix_v4bx_interworking): New method.
3010 2010-01-22  Doug Kwan  <dougkwan@google.com>
3012         * arm.cc (Arm_exidx_fixup): New class.
3014 2010-01-21  Doug Kwan  <dougkwan@google.com>
3016         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3017         classes.
3018         (Arm_exidx_section_offset_map): New type.
3020 2010-01-21  Doug Kwan  <dougkwan@google.com>
3022         * arm.cc (Arm_exidx_input_section): New class.
3023         (Arm_relobj::exidx_input_section_by_link,
3024         Arm_relobj::exidx_input_section_by_shndx,
3025         Arm_relobj::make_exidx_input_section): New methods.
3026         (read_arm_attributes_section): Remove.
3027         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3028         information about them.
3029         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
3030         to here.
3032 2010-01-20  Doug Kwan  <dougkwan@google.com>
3034         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
3035         Input_section_specifier to Section_id.
3036         (Target_arm::new_arm_input_section: Adjust code for change of key
3037         type.
3038         (Target_arm::find_arm_input_section): Ditto.
3039         * gc.h (object.h): Include for Section_id nand Section_id_hash.
3040         (Section_id): Remove.
3041         (Garbage_collection::Section_id_hash): Remove.
3042         * icf.h (object.h): Include for Section_id nand Section_id_hash.
3043         (Section_id): Remove.
3044         (Icf::Section_id_hash): Remove.
3045         * object.h (Section_id, Const_section_id, Section_id_hash,
3046         Const_section_id_hash): New type definitions.
3047         * output.cc (Output_section::add_relaxed_input_section): Change to
3048         use Const_section_id instead of Input_section_specifier as key type.
3049         (Output_section::add_merge_input_section): Ditto.
3050         (Output_section::build_relaxation_map): Change to use Section_id
3051         instead of Input_section_specifier as key type.
3052         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3053         Ditto.
3054         (Output_section::convert_input_sections_to_relaxed_sections): Change
3055         to use Const_section_id instead of Input_section_specifier as key type.
3056         (Output_section::find_merge_section): Ditto.
3057         (Output_section::find_relaxed_input_section): Ditto.
3058         * output.h (Input_section_specifier): Remove class.
3059         (Output_section::Output_section_data_by_input_section_map): Change
3060         key type to Const_section_id.
3061         (Output_section::Output_relaxed_input_section_by_input_section_map):
3062         Ditto.
3063         (Output_section::Relaxation_map): Change key type to Section_id.
3065 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3067         * gold/arm.cc: Added support for R_ARM_V4BX relocation
3068         (class Arm_v4bx_stub): New class.
3069         (DEF_STUBS): Updated definition to support v4_veneer_bx.
3070         (Stub_factory::make_arm_v4bx_stub): New method.
3071         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
3072         (Stub_table::empty): Handle v4bx stubs.
3073         (Stub_table::add_arm_v4bx_stub): New method.
3074         (Stub_table::find_arm_v4bx_stub): New method.
3075         (Arm_relocate_functions::v4bx): New method.
3076         (Target_arm::fix_v4bx): New method.
3077         (Target_arm::Target_arm): Handle R_ARM_V4BX.
3078         (Stub_table::relocate_stubs): Likewise.
3079         (Stub_table::do_write): Likewise.
3080         (Stub_table::update_data_size_and_addralign): Likewise.
3081         (Stub_table::finalize_stubs):  Likewise.
3082         (Target_arm::Scan::local): Likewise.
3083         (Target_arm::Scan::global): Likewise.
3084         (Target_arm::do_finalize_sections): Likewise.
3085         (Target_arm::Relocate::relocate): Likewise.
3086         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3087         Likewise.
3088         (Target_arm::scan_reloc_for_stub): Likewise.
3089         (Target_arm::scan_reloc_section_for_stubs): Likewise.
3091 2010-01-19  Ian Lance Taylor  <iant@google.com>
3093         * output.cc (Output_section_headers::do_sized_write): Write large
3094         segment count to sh_info field.
3095         (Output_file_header::do_sized_write): For large segment count,
3096         write PN_XNUM to e_phnum field.
3098 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3100         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
3101         (Arm_relocate_functions::thm_jump8): New function.
3102         (Arm_relocate_functions::thm_jump11): New function.
3103         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
3104         R_ARM_THM_JUMP11.
3105         (Target_arm::Scan::global): Likewise.
3106         (Target_arm::Relocate::relocate): Likewise.
3107         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3108         Likewise.
3110 2010-01-14  Doug Kwan  <dougkwan@google.com>
3112         * arm.cc (map, utility): Include headers.
3113         (Target_arm::apply_cortex_a8_workaround): New method.
3114         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
3115         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
3116         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
3117         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
3118         the --[no-]fix-cortex-a8 command line options.
3119         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
3120         (Target_arm::relocate_stub): Use addend in instruction template.
3121         * options.h (DEFINE_bool): Set the user-set flag.
3122         (General_options): Add --[no-]-fix-cortex options.
3123         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
3124         : Update fast look-up map after conversion.
3126 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
3128         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
3129         in the first pass of do_layout.
3131 2010-01-13  Doug Kwan  <dougkwan@google.com>
3133         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3134         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
3135         apparent compiler problem of not folding static constant integral
3136         data members of elfcpp::Elf_sizes<32>.
3138 2010-01-13  Doug Kwan  <dougkwan@google.com>
3140         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3141         Arm_relobj::section_needs_cortex_a8_stub_scanning,
3142         Arm_relobj::scan_section_for_cortex_a8_erratum,
3143         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
3144         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
3145         sections to scan for relocation stubs into a new method
3146         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
3147         relocation and Cortex-A8 stub scanning.
3148         (Target_arm::do_relax): Force stubs to be after stubbed sections
3149         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
3150         the beginning of a new relaxation pass.  Update a comment.
3151         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
3153 2010-01-12  Ian Lance Taylor  <iant@google.com>
3155         * target-reloc.h (visibility_error): New inline function.
3156         (relocate_section): Call visibility_error.
3157         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
3158         (MOSTLYCLEANFILES): Likewise.
3159         (protected_4_pic.o, protected_3.err): New targets.
3160         * testsuite/protected_4.cc: New file.
3162 2010-01-12  Doug Kwan  <dougkwan@google.com>
3164         * arm.cc (Cortex_a8_reloc): New class.
3165         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
3166         and cortex_a8_relocs_info_.
3167         (Target_arm::fix_cortex_a8): New method definition.
3168         (Target_arm::Cortex_a8_relocs_info): New type.
3169         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
3170         New data member declarations.
3171         (Target_arm::scan_reloc_for_stub): Record information about
3172         relocations for THUMB branches that might be exempted from the
3173         Cortex-A8 workaround.
3174         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
3175         at the beginning of a relaxation pass.
3177 2010-01-12  Doug Kwan  <dougkwan@google.com>
3179         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
3180         (Arm_relobj::Mapping_symbol_position,
3181          Arm_reloj::Mapping_symbol_position_less,
3182          Arm_relobj::Mapping_symbols_info): New types.
3183         (Target_arm::is_mapping_symbol_name): New method definition.
3184         (Arm_relobj::do_count_local_symbols): Save information about mapping
3185         symbols.
3187 2010-01-11  Doug Kwan  <dougkwan@google.com>
3189         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
3190         Arm_relocate_functions::thumb32_branch_upper,
3191         Arm_relocate_functions::thumb32_branch_lower,
3192         Arm_relocate_functions::thumb32_cond_branch_offset,
3193         Arm_relocate_functions::thumb32_cond_branch_upper,
3194         Arm_relocate_functions::thumb32_cond_branch_lower,
3195         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
3196         branch offset encoding.
3197         (Arm_relocate_functions::thumb_branch_common): Use new branch
3198         offset encoding methods to avoid code duplication.
3199         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3200         (Stub_addend_reader::operator()): Use new branch encoding method
3201         to avoid code duplication.
3203 2010-01-11  Doug Kwan  <dougkwan@google.com>
3205         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3206         (Target_arm::do_finalize_sections): Define special EXIDX section
3207         symbols only if referenced.
3208         * gc.h (Garbage_collection::add_reference): New method.
3209         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3210         code duplication.
3212 2010-01-11  Ian Lance Taylor  <iant@google.com>
3214         * script.cc (Version_script_info::build_expression_list_lookup):
3215         Change complaing about duplicate wildcard match from error to
3216         warning.
3218         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3219         of 2009-12-30.
3220         (Version_script_info::Version_script_info): Initialize globs_,
3221         default_version_, default_is_global_, and exact_.  Don't
3222         initialize globals_ or locals_.
3223         (Version_script_info::build_lookup_tables): Build local symbols
3224         first.
3225         (Version_script_info::unquote): New function.
3226         (Version_script_info::add_exact_match): New function.
3227         (Version_script_info::build_expression_list_lookup): Remove lookup
3228         parameter.  Add is_global parameter.  Change all callers.  Handle
3229         wildcard pattern specially.  Unquote pattern.  Call
3230         add_exact_match.
3231         (Version_script_info::get_name_to_match): New function.
3232         (Version_script_info::get_symbol_version): New function.
3233         (Version_script_info::get_symbol_version_helper): Remove.
3234         (Version_script_info::check_unmatched_names): Call unquote.
3235         * script.h (class Version_script_info): Change get_symbol_version
3236         to be non-inline and add is_global parameter; change all callers.
3237         Rewrite symbol_is_local.  Update declarations.  Define struct
3238         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3239         Remove globals_ and locals_ members.  Add exact_, globs_,
3240         default_version_, is_global_.
3241         (Version_script_info::Glob): Remove pattern, add expression and
3242         is_global.  Update constructor.  Change all callers.
3243         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3244         default version.
3245         (Versions::symbol_section_contents): If a symbol is undefined, or
3246         defined in a dynamic object, set the version index to
3247         VER_NDX_LOCAL.
3248         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3249         symbol_is_local.
3250         (Symbol_table::add_from_pluginobj): Likewise.
3251         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3253 2010-01-11  Doug Kwan  <dougkwan@google.com>
3255         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3256         (incremental_dump_LDADD): Add linking option for libintl.
3257         * Makefile.in: Regenerate.
3259 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3261         PR gold/11144
3262         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3263         instead of -Ds.
3264         * testsuite/Makefile.in: Regenerated.
3266 2010-01-10  Doug Kwan  <dougkwan@google.com>
3268         * options.h (DEFINE_var): Use parentheses around argument varname__
3269         in macro body to avoid any unintended subsequent substitutions.
3271 2010-01-10  Ian Lance Taylor  <iant@google.com>
3273         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3274         candidates before doing symbol resolution.
3276         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3277         ODR candidates if only one is weak.
3279 2010-01-08  Ian Lance Taylor  <iant@google.com>
3281         * script.cc (Version_script_info::build_expression_list_lookup):
3282         Don't warn about ambiguous version, just record the ambiguity.
3283         (Version_script_info::get_symbol_version_helper): Give error if
3284         version is ambiguous.
3286 2010-01-08  Doug Kwan  <dougkwan@google.com>
3288         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3289           prev_data_size_ and prev_addralign_.  Remove initializer for
3290           deleted data member has_been_changed_.
3291           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3292           to determine if the table is empty.
3293           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3294           Remove.
3295           (Stub_table::add_reloc_stub): Define method in class definition
3296           instead of just declaring it there.
3297           (Stub_table::add_cortex_a8_stub): New method definition.
3298           (Stub_table::update_data_size_and_addralign): Ditto.
3299           (Stub_table::finalize_stubs): Ditto.
3300           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3301           (Stub_table::do_addralign_): Return address alignment in the
3302           (Stub_table::do_reset_address_and_file_offset): Define method in
3303           class definition instead of declaring it there.  Set current data
3304           size to be the data size of the previous pass.
3305           (Stub_table::set_final_data_size): Use current data size as the
3306           final data size.
3307           (Stub_table::relocate_stub): Change parameter type of stub from
3308           Reloc_stub pointer to Stub pointer.
3309           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3310           (Stub_table::Cortex_a8_stub_list): New typedef.
3311           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3312            Stub_table::prev_addralign_): New data member.
3313           (Arm_relobj::Arm_relobj): Initialize data member
3314           section_has_cortex_a8_workaround_.
3315           (Arm_relobj::section_has_cortex_a8_workaround,
3316            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3317            definitions.
3318           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3319           declarations.
3320           (Target_arm::relocate_stub): Change parameter type of stub from
3321           Reloc_stub pointer to Stub pointer.
3322           (Insn_template::size, Insn_template::alignment): Handle
3323           THUMB16_SPECIAL_TYPE.
3324           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3325            Stub_table::update_data_size_and_addralign,
3326            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3327           definitions.
3328           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3329           (Stub_table::do_write): Ditto.
3330           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3332 2010-01-08  Ian Lance Taylor  <iant@google.com>
3334         PR 11108
3335         * symtab.h (class Symbol): Remove fields is_target_special_ and
3336         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3337         (Symbol::is_defined_in_discarded_section): New function.
3338         (Symbol::set_is_defined_in_discarded_section): New function.
3339         (Symbol::has_plt_offset): Rewrite.
3340         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3341         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3342         Don't initialize is_target_special_ or has_plt_offset_.
3343         Initialize is_defined_in_discarded_section_.
3344         (Symbol_table::add_from_relobj): If appropriate, set
3345         is_defined_in_discarded_section.
3346         * resolve.cc (Symbol::override_base_with_special): Don't test
3347         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3348         * target-reloc.h (relocate_section): Do special handling for
3349         symbols defined in discarded sections for global symbols as well
3350         as local symbols.
3352 2010-01-08  Ian Lance Taylor  <iant@google.com>
3354         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3355         the SHT_SYMTAB case.
3357 2010-01-08  Ian Lance Taylor  <iant@google.com>
3359         * object.cc (Sized_relobj::do_layout): Don't get confused if
3360         layout_eh_frame returns NULL.
3362 2010-01-08  Ian Lance Taylor  <iant@google.com>
3364         PR 11084
3365         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3366         dynamic symbol table, use the normal symbol table.
3367         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3368         symbol table.
3370 2010-01-08  Ian Lance Taylor  <iant@google.com>
3372         PR 11072
3373         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3374         sections.
3376 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3378         * version.cc (print_version): Change to "Copyright 2010".
3380 2010-01-08  Ian Lance Taylor  <iant@google.com>
3382         PR 10287
3383         PR 11063
3384         * i386.cc (class Target_i386): Change return type of plt_section
3385         to be non-const.
3386         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3387         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3388         tls_desc_rel_ field.
3389         (Output_data_plt_i386::rel_tls_desc): New function.
3390         (Target_i386::rel_tls_desc_section): New function.
3391         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3392         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3393         R_386_TLS_DESC reloc in rel_tls_desc_section.
3394         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3395         Define struct Tlsdesc_info.
3396         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3397         (Target_x86_64::do_reloc_symbol_index): New function.
3398         (Target_x86_64::add_tlsdesc_info): New function.
3399         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3400         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3401         tlsdesc_rel_ field.
3402         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3403         all callers.
3404         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3405         (Target_x86_64::rela_tlsdesc_section): New function.
3406         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3407         handling.
3408         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3409         (Target_x86_64::do_reloc_addend): New function.
3410         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3411         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3412         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3413         (Output_reloc::type): New function.
3414         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3415         (Output_reloc::is_target_specific): New function.
3416         (Output_reloc::target_arg): New function.
3417         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3418         absolute relocs and target specific relocs.
3419         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3420         add_target_specific.
3421         (class Output_data_reloc) [SHT_RELA]: Likewise.
3422         * output.cc (Output_reloc::Output_reloc): Add four new versions
3423         for absolute relocs and target specific relocs.
3424         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3425         (Output_reloc::get_symbol_index): Likewise.
3426         (Output_reloc::local_section_offset): Check that local_sym_index_
3427         is not TARGET_CODE or 0.
3428         (Output_reloc::symbol_value): Likewise.
3429         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3430         reloc.
3431         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3432         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3433         functions.
3434         * layout.cc (add_target_dynamic_tags): Use output section for
3435         DT_PLTRELSZ and DT_JMPREL.
3437 2010-01-07  Ian Lance Taylor  <iant@google.com>
3439         PR 11061
3440         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3441         function.
3442         (class Output_data_reloc_generic): Define.
3443         (class Output_data_reloc_base): Change base class to
3444         Output_data_reloc_generic.  Change add() method to call
3445         bump_relative_reloc_count for a relative reloc.  Remove
3446         sort_relocs_ field.
3447         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3448         to sort_relocs().
3449         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3450         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3451         appropriate.
3452         * layout.h (class Layout): Update declaration.
3454 2010-01-07  Ian Lance Taylor  <iant@google.com>
3456         * output.h (class Output_data): Add const version of
3457         output_section and do_output_section.
3458         (class Output_section_data): Add const version of
3459         do_output_section.
3460         (class Output_section): Likewise.
3461         * layout.cc (Layout::add_target_dynamic_tags): New function.
3462         * layout.h (class Layout): Update declarations.
3463         * arm.cc (Target_arm::do_finalize_sections): Use
3464         add_target_dynamic_tags.
3465         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3466         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3467         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3468         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3470 2010-01-07  Ian Lance Taylor  <iant@google.com>
3472         PR 11042
3473         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3474         object as needed.
3476 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3477             Ian Lance Taylor  <iant@google.com>
3479         PR 11019
3480         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3481         Xindex::read_symtab_xindex.
3483 2010-01-07  Doug Kwan  <dougkwan@google.com>
3485         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3486         (Insn_template::thumb16_bcond_insn): New method declaration.
3487         (Insn_template): Fix spelling.
3488         (Stub::thumb16_special): New method declaration.
3489         (Stub::do_write): Define virtual method which was previously pure
3490         virtual.
3491         (Stub::do_thumb16_special): New method declaration.
3492         (Stub::do_fixed_endian_write): New template member.
3493         (Reloc_stub::do_write): Remove.
3494         (Reloc_stub::do_fixed_endian_write): Remove.
3495         (Cortex_a8_stub): New class definition.
3496         (Stub_factory::make_cortex_a8_stub): New method definition.
3497         (Stub_factory::Stub_factory): Add missing static storage class
3498         qualifier for elf32_arm_stub_a8_veneer_blx.
3500 2010-01-07  Ian Lance Taylor  <iant@google.com>
3502         PR 10980
3503         * options.h (class General_options): Add --warn-unresolved-symbols
3504         and --error-unresolved-symbols.
3505         * errors.cc (Errors::undefined_symbol): Implement
3506         --warn-unresolved-symbols.
3508         * options.h (class General_options): Add -z text and -z textoff.
3509         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3511 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3513         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3514         (Garbage_collection::cident_sections): New function.
3515         (Garbage_collection::add_cident_section): New function.
3516         (Garbage_collection::cident_sections_): New member.
3517         (gc_process_relocs): Add references to sections whose names are C
3518         identifiers.
3519         * gold.h (cident_section_start_prefix): New constant.
3520         (cident_section_stop_prefix): New constant.
3521         (is_cident): New function.
3522         * layout.cc (Layout::define_section_symbols): Replace string constants
3523         with the newly defined constants.
3524         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3525         C identifiers.
3526         * testsuite/Makefile.am: Add gc_orphan_section_test.
3527         * testsuite/Makefile.in: Regenerate.
3528         * testsuite/gc_orphan_section_test.cc: New file.
3529         * testsuite/gc_orphan_section_test.sh: New file.
3531 2010-01-06  Ian Lance Taylor  <iant@google.com>
3533         PR 10980
3534         * options.h (class General_options): Add --warn-shared-textrel.
3535         * layout.cc (Layout::finish_dynamic_section): Implement
3536         --warn-shared-textrel.
3538         PR 10980
3539         * options.h (class General_options): Add --warn-multiple-gp.
3541 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3543         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3544         $(THREADSLIB) and $(LIBDL).
3545         * Makefile.in: Rebuild.
3547 2010-01-06  Ian Lance Taylor  <iant@google.com>
3549         PR 10980
3550         * options.cc (General_options::parse_section_start): New function.
3551         (General_options::section_start): New function.
3552         (General_options::General_options): Initialize all members.
3553         * options.h: Include <map>
3554         (class General_options): Add --section-start.  Add section_starts_
3555         member.
3556         * layout.cc (Layout::attach_allocated_section_to_segment): If
3557         --section-start was used, set the address of the segment.  Remove
3558         local sort_sections.
3559         (Layout::relaxation_loop_body): If the address of the load segment
3560         has been set by --section-start, don't use it.
3561         * output.h (Output_segment::update_flags_for_output_section): New
3562         function.
3563         * output.cc (Output_segment::add_output_section): Call
3564         update_flags_for_output_section.
3566 2010-01-05  Ian Lance Taylor  <iant@google.com>
3568         PR 10980
3569         * options.h (class General_options): Add --undefined-version.
3570         * script.cc (struct Version_expression): Add was_matched_by_symbol
3571         field.
3572         (Version_script_info::matched_symbol): New function.
3573         (Version_script_info::get_symbol_version_helper): Call
3574         matched_symbol.
3575         (Version_script_info::check_unmatched_names): New function.
3576         * script.h (class Version_script_info): Update declarations.
3577         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3579         * options.h (class General_options): Use DEFINE_bool_alias for
3580         allow_multiple_definition.
3581         * resolve.cc (Symbol_table::should_override): Don't test
3582         allow_multiple_definition.
3584         PR 10980
3585         * options.h (class General_options): Add --cref.
3586         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3587         until after printing cref table.
3588         * cref.cc: Include "symtab.h".
3589         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3590         (Cref_table_compare::operator()): New function.
3591         (Cref_inputs::gather_cref): New function.
3592         (filecol): New static const.
3593         (Cref_inputs::print_cref): New function.
3594         (Cref::print_cref): New function.
3595         * cref.h: Include <cstdio>.
3596         (class Cref): Update declarations.
3597         * mapfile.h (Mapfile::file): New function.
3598         * object.h (class Object): Define Symbols.  Declare virtual
3599         do_get_global_symbols.
3600         (Object::get_global_symbols): New function.
3601         * object.cc (Input_objects::add_object): Pass object to cref_ if
3602         --cref.
3603         (Input_objects::archive_start): Likewise.
3604         (Input_objects::archive_stop): Likewise.
3605         (Input_objects::print_cref): New function.
3606         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3607         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3608         --cref.
3609         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3610         function.
3611         * plugin.h (class Sized_pluginobj): Update declarations.
3613 2010-01-05  Ian Lance Taylor  <iant@google.com>
3615         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3616         to is_default_version.  Rename insdef to insdefault.
3617         (Symbol_table::add_from_relobj): Rename def to is_default_version
3618         and local to is_forced_local.
3619         (Symbol_table::add_from_pluginobj): Likewise.
3620         (Symbol_table::add_from_dynobj): Likewise.
3621         (Symbol_table::define_special_symbol): Rename insdef to
3622         insdefault.
3624 2010-01-04  Ian Lance Taylor  <iant@google.com>
3626         PR 10980
3627         * options.h (class General_options): Add
3628         --allow-multiple-definition and -z muldefs.
3629         * resolve.cc (Symbol_table::should_override): Don't warn about a
3630         multiple symbol definition if --allow-multiple-definition or -z
3631         muldefs.
3633         PR 10980
3634         * options.h (class General_options): Add --add-needed and
3635         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3636         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3637         error if --copy-dt-needed-entries aka --add-needed is used and
3638         would cause a change in behaviour.
3640         PR 10980
3641         * options.h (class General_options): Add -G as a short version of
3642         --shared.  Add no-op options -assert, -g, and -i.
3644 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3646         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3647         check for .text or .gnu.linkonce.t sections.
3648         * icf.cc (Icf::find_identical_sections): Ditto.
3649         Change the detection for mangled function name within the section
3650         name.
3651         * icf.h (is_section_foldable_candidate): New function.
3653 2009-12-30  Ian Lance Taylor  <iant@google.com>
3655         PR 10980
3656         * options.h (class General_options): Permit two dashes with
3657         --retain-symbols-file.
3659 2009-12-30  Ian Lance Taylor  <iant@google.com>
3661         PR 10979
3662         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3663         don't put the file header and segment headers in the text
3664         segment.
3666         PR 10979
3667         * common.cc (Sort_commons::operator()): Stabilize sort when both
3668         entries are NULL.
3669         (Symbol_table::do_allocate_commons_list): When allocating common
3670         symbols, skip a symbol which is no longer common.
3671         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3672         an object before checking its type.
3673         * testsuite/common_test_2.c: New file.
3674         * testsuite/common_test_3.c: New file.
3675         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3676         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3677         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3678         (common_test_2_pic.o, common_test_2.so): New targets.
3679         (common_test_3_pic.o, common_test_3.so): New targets.
3680         * testsuite/Makefile.in: Rebuild.
3682         PR 10979
3683         * script.cc (read_input_script): If we see a new SECTIONS clause,
3684         and we have added an input section, give an error.
3685         * layout.h (class Layout): Add have_added_input_section function.
3686         Add have_added_input_section_ field.
3687         * layout.cc (Layout::Layout): Initialize
3688         have_added_input_section_.
3689         (Layout::layout): Set have_added_input_section_.
3690         (Layout::layout_eh_frame): Likewise.
3692 2009-12-30  Ian Lance Taylor  <iant@google.com>
3694         PR 10931
3695         * options.h (class General_options): Add --sort-common option.
3696         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3697         * common.cc (Sort_common): Add sort_order parameter to
3698         constructor.  Add sort_order_ field.
3699         (Sort_commons::operator): Check sort_order_.
3700         (Symbol_table::allocate_commons): Determine the sort order.
3701         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3702         Change all callers.
3703         (Symbol_table::do_allocate_commons_list): Likewise.
3705 2009-12-30  Ian Lance Taylor  <iant@google.com>
3707         PR 10916
3708         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3709         symbols from this object, don't change the visibility of an
3710         undefined symbol.
3711         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3713 2009-12-30  Ian Lance Taylor  <iant@google.com>
3715         PR 10861
3716         * script.h (class Version_script_info): Define Language enum.
3717         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3718         new fields globals_, locals_, and is_finalized_.
3719         * script.cc: Various formatting fixes.
3720         (class Parser_closure): Change language_stack_ from a vector of
3721         std::string to one of Version_script_info::Language.  Adjust all
3722         uses accordingly.
3723         (class Lazy_demangler): Remove.
3724         (struct Version_expression): Change language from std::string to
3725         Version_script_info::Language.
3726         (Version_script_info::Version_script_info): New function.
3727         (Version_script_info::~Version_script_info): Don't call clear.
3728         (Version_script_info::finalize): New function.
3729         (Version_script_info::build_lookup_tables): New function.
3730         (Version_script_info::build_expression_list_lookup): New
3731         function.
3732         (Version_script_info::get_symbol_version_helper): Rewrite to use
3733         lookup tables.
3734         (Version_script_info::print_expression_list): Adjust to use
3735         Version_script_info::Language.
3736         (script_push_lex_into_version_mode): Check that the version script
3737         has not been finalized.
3738         (version_script_push_lang): Change language string to
3739         Version_script_info::Language.
3740         * options.cc (Command_line::version_script): New function.
3741         * options.h (class General_options): Add finalize_dynamic_list
3742         function.  Change version_script from declaration to definition.
3743         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3744         * testsuite/version_script.map: Remove duplicate def of foo.
3745         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3746         version_script.map.
3747         * testsuite/Makefile.in: Rebuild.
3749 2009-12-30  Ian Lance Taylor  <iant@google.com>
3751         PR 10843
3752         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3753         if the input symbol index is 0, make the output symbol index 0.
3755 2009-12-30  Ian Lance Taylor  <iant@google.com>
3757         PR 10670
3758         * options.h (class General_options): Add -x/--discard-all.
3759         * object.cc (Sized_relobj::do_count_local_symbols): Handle
3760         --discard-all.  If the local symbol needs a dynamic entry, check
3761         that before handling --discard-locals.
3763 2009-12-30  Ian Lance Taylor  <iant@google.com>
3765         PR 10450
3766         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
3767         flags to PF_R.
3768         (Output_segment::add_output_section): Don't change the flags if
3769         the type is PT_TLS.
3771         PR 10450
3772         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
3773         GNU hash table if they need a dynamic value.  Otherwise, don't add
3774         them if they are defined in a dynamic object or are forced local.
3776 2009-12-29  Ian Lance Taylor  <iant@google.com>
3778         PR 10450
3779         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
3780         .gnu.hash table for a 32-bit target.
3782         PR 10450
3783         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
3784         regular and a dynamic object only needs a dynamic symbol table
3785         entry if it is externally visible.
3787         PR 10450
3788         * i386.cc (class Target_i386): Initialize global_offset_table_ in
3789         constructor.  Add global_offset_table_ field.
3790         (Target_i386::got_section): Set global_offset_table_.
3791         (Target_i386::do_finalize_sections): Set global_offset_table_
3792         size.
3793         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
3794         in constructor.  Add global_offset_table_ field.
3795         (Target_x86_64::got_section): Set global_offset_table_.
3796         (Target_x86_64::do_finalize_sections): Set global_offset_table_
3797         size.
3799         * layout.cc (Layout::Layout): Initialize increase_relro_.
3800         (Layout::get_output_section): Add is_relro, is_last_relro, and
3801         is_first_non_relro parameters.  Change all callers.
3802         (Layout::choose_output_section): Likewise.
3803         (Layout::add_output_section_data): Likewise.
3804         (Layout::make_output_section): Likewise.
3805         (Layout::set_segment_offsets): Clear increase_relro when using a
3806         linker script.
3807         * layout.h (class Layout): Add increase_relro method.  Add
3808         increase_relro_ field.  Update declarations.
3809         * output.cc (Output_section::Output_section): Initialize
3810         is_last_relro_ and is_first_non_relro_.
3811         (Output_segment::add_output_section): Group relro sections is
3812         do_sort is true.  Handle is_last_relro and is_first_non_relro.
3813         (Output_segment::maximum_alignment): Remove relro handling.
3814         (Output_segment::set_section_addresses): Add increase_relro
3815         parameter.  Change all callers.  Add initial alignment to align
3816         relro sections on separate page.  Remove old relro handling.
3817         (Output_segment::set_section_list_addresses): Remove in_relro
3818         parameter.  Change all callers.
3819         (Output_segment::set_offset): Add increase parameter.  Change all
3820         callers.  Remove old relro handling.
3821         * output.h (class Output_section): Add new methods: is_last_relro,
3822         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
3823         Add is_last_relro_ and is_first_non_relro_ fields.
3824         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
3825         Create separate .got.plt section.  Call increase_relro.
3826         * x86_64.cc (Target_x86_64::got_section): Likewise.
3827         * testsuite/relro_script_test.t: Add .got.plt.
3829         PR 10450
3830         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
3831         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
3832         (Layout::finalize): Call set_dynamic_symbol_size.
3833         (Layout::set_dynamic_symbol_size): New function.
3834         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
3835         set_dynamic_symbol_size.
3837         PR 10450
3838         * output.h (class Output_section): Add is_entsize_zero_ field.
3839         * output.cc (Output_section::Output_section): Initialize
3840         is_entsize_zero_.
3841         (Output_section::set_entsize): If two different entsizes are
3842         requested, force it to zero.
3843         (Output_section::add_input_section): Set flags for .debug_str
3844         before updating section flags.  Set entsize.
3845         (Output_section::update_flags_for_input_section): Set SHF_MERGE
3846         and SHF_STRING if all input sections have those flags.
3848 2009-12-29   Rafael Espindola  <espindola@google.com>
3850         * main.cc (main): Fix the sys time reporting.
3851         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
3852         reporting.
3854 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
3856         * options.cc (General_options::parse_version): Allow -v to exit
3857         without an error if there is nothing to link.
3859 2009-12-29  Ian Lance Taylor  <iant@google.com>
3861         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
3862         using a version of gcc before 4.1.
3863         * configure: Rebuild.
3865 2009-12-28  Chris Demetriou  <cgd@google.com>
3867         * attributes.cc (Output_attributes_section_data::do_write): Use
3868         std::vector::front rather than std::vector::data.
3870 2009-12-28  Ian Lance Taylor  <iant@google.com>
3872         * symtab.h (class Symbol_table): Add enum Defined.
3873         * resolve.cc (Symbol_table::should_override): Add defined
3874         parameter.  Change all callers.  Test whether object is NULL
3875         before calling a method on it.
3876         (Symbol_table::report_resolve_problem): Add defined parameter.
3877         Change all callers.
3878         (Symbol_table::should_override_with_special): Likewise.
3879         * symtab.cc (Symbol_table::define_in_output_data): Add defined
3880         parameter.  Change all callers.
3881         (Symbol_table::do_define_in_output_data): Likewise.
3882         (Symbol_table::define_in_output_segment): Likewise.
3883         (Symbol_table::do_define_in_output_segment): Likewise.
3884         (Symbol_table::define_as_constant): Likewise.
3885         (Symbol_table::do_define_as_constant): Likewise.
3886         * script.h (class Symbol_assignment): Add is_defsym parameter to
3887         constructor; change all callers.
3888         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
3889         parameter.  Change all callers.  Add is_defsym_ field.
3890         (class Parser_closure): Add parsing_defsym parameter to
3891         constructor; change all callers.  Add parsing_defsym accessor
3892         function.  Add parsing_defsym_ field.
3894 2009-12-28  Ian Lance Taylor  <iant@google.com>
3896         * gold.cc (queue_middle_tasks): Fix formatting.
3897         * object.cc (Relobj::is_section_name_included): Likewise.
3899 2009-12-23  Ian Lance Taylor  <iant@google.com>
3901         * i386.cc (Target_i386::do_calls_non_split): Recognize
3902         -fsplit-stack prologue for a function with a static chain.
3903         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
3904         -fsplit-stack prologue when using %r11.
3906 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
3908         * options.cc (General_options::parse_version): Make -v continue and do
3909         the link like GNU ld does.
3911 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
3913         * Makefile.am (CCFILES): Add timer.cc.
3914         (HFILES): Add timer.h.
3915         * configure.ac: Check for sysconf and times.
3916         * main.cc: include timer.h.
3917         (main): Use Timer instead of get_run_time.
3918         * timer.cc: New.
3919         * timer.h: New.
3920         * workqueue.cc: include timer.h.
3921         (Workqueue::find_and_run_task):
3922         Report user, sys and wall time.
3923         * Makefile.in: Regenerate.
3924         * config.in: Regenerate.
3925         * configure: Regenerate.
3927 2009-12-16  Doug Kwan  <dougkwan@google.com>
3929         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
3930         sections.
3931         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
3932         relaxed input sections.
3933         * output.cc (Output_section::find_relaxed_input_section): Change
3934         return type to Output_relaxed_input_section pointer.  Adjust code
3935         for new type of relaxed_input_section_map_.
3936         * output.h (Output_section::find_relaxed_input_section): Change
3937         return type to Output_relaxed_input_section pointer.
3938         (Output_section::Output_relaxed_input_section_by_input_section_map):
3939         New type.
3940         (Output_section::relaxed_input_section_map_): Change type to
3941         Output_section::Output_relaxed_input_section_by_input_section_map.
3942         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
3943         input section.
3945 2009-12-15  Ian Lance Taylor  <iant@google.com>
3947         * layout.cc (Layout::create_shstrtab): Only write out after input
3948         sections if we are compressing debug sections.
3950 2009-12-15  Ian Lance Taylor  <iant@google.com>
3952         * archive.cc (Archive::add_symbols): Only look up a symbol without
3953         a version if there is, in fact, a version.
3955 2009-12-14  Ian Lance Taylor  <iant@google.com>
3957         Revert -Wshadow changes, all changes from:
3958         2009-12-11  Doug Kwan  <dougkwan@google.com>
3959         2009-12-11  Nick Clifton  <nickc@redhat.com>
3960         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
3962 2009-12-11  Doug Kwan  <dougkwan@google.com>
3964         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
3965         due to -Wshadow.
3966         * attributes.cc (Object_attribute::size): Ditto.
3967         (Attributes_section_data::size): Ditto.
3968         (Attributes_section_data::Attributes_section_data): Ditto.
3969         (Output_attributes_section_data::do_write): Ditto.
3970         * attributes.h (Object_attribute::set_type): Ditto.
3971         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
3973 2009-12-11  Nick Clifton  <nickc@redhat.com>
3975         * archive.cc: Fix shadowed variable warnings.
3976         * arm.cc: Likewise.
3977         * compressed_output.cc: Likewise.
3978         * compressed_output.h: Likewise.
3979         * configure: Likewise.
3980         * dwarf_reader.cc: Likewise.
3981         * dynobj.cc: Likewise.
3982         * dynobj.h: Likewise.
3983         * ehframe.cc: Likewise.
3984         * ehframe.h: Likewise.
3985         * errors.cc: Likewise.
3986         * expression.cc: Likewise.
3987         * fileread.cc: Likewise.
3988         * fileread.h: Likewise.
3989         * freebsd.h: Likewise.
3990         * i386.cc: Likewise.
3991         * icf.cc: Likewise.
3992         * incremental.h: Likewise.
3993         * layout.cc: Likewise.
3994         * layout.h: Likewise.
3995         * mapfile.cc: Likewise.
3996         * merge.cc: Likewise.
3997         * merge.h: Likewise.
3998         * object.cc: Likewise.
3999         * object.h: Likewise.
4000         * options.h: Likewise.
4001         * output.cc: Likewise.
4002         * output.h: Likewise.
4003         * parameters.cc: Likewise.
4004         * plugin.cc: Likewise.
4005         * powerpc.cc: Likewise.
4006         * reduced_debug_output.cc: Likewise.
4007         * reduced_debug_output.h: Likewise.
4008         * reloc.cc: Likewise.
4009         * reloc.h: Likewise.
4010         * resolve.cc: Likewise.
4011         * script-sections.cc: Likewise.
4012         * script.cc: Likewise.
4013         * script.h: Likewise.
4014         * sparc.cc: Likewise.
4015         * symtab.cc: Likewise.
4016         * symtab.h: Likewise.
4017         * target-select.cc: Likewise.
4018         * target-select.h: Likewise.
4019         * token.h: Likewise.
4020         * workqueue.cc: Likewise.
4021         * workqueue.h: Likewise.
4022         * x86_64.cc: Likewise.
4024 2009-12-10  Doug Kwan  <dougkwan@google.com>
4026         * arm.cc (attributes.h): New include.
4027         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4028         (Arm_relobj::~Arm_relobj): Delete object pointed by
4029         attributes_section_data_.
4030         (Arm_relobj::attributes_section_data): New method definition.
4031         (Arm_relobj::attributes_section_data_): New data member declaration.
4032         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
4033         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
4034         attributes_section_data_.
4035         (Arm_dynobj::attributes_section_data): New method definition.
4036         (Arm_dynobj::attributes_section_data_): New data member declaration.
4037         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
4038         initialization value of may_use_blx_ to false.
4039         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
4040         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
4041         object attributes to compute results instead of hard-coding.
4042         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
4043         Target_arm::get_secondary_compatible_arch,
4044         Target_arm::set_secondary_compatible_arch
4045         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4046         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
4047         New method declarations.
4048         (Target_arm::get_aeabi_object_attribute): New method definition.
4049         (Target_arm::attributes_section_data_): New data member declaration.
4050         (read_arm_attributes_section): New template definition.
4051         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
4052         (Arm_dynobj::do_read_symbols): Ditto.
4053         (Target_arm::do_finalize_sections): Merge attributes sections from
4054         input.  Check for BLX use after attributes section merging.
4055         Fix __exidx_start and __exidx_end visibility.  Create an
4056         .ARM.attributes section if necessary.
4057         (Target_arm::get_secondary_compatible_arch,
4058         Target_arm::set_secondary_compatible_arch,
4059         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4060         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
4061         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
4062         New method definitions.
4064 2009-12-09  Ian Lance Taylor  <iant@google.com>
4066         * plugin.cc (Plugin::load): Don't cast from void* to a function
4067         pointer.
4069 2009-12-09  Ian Lance Taylor  <iant@google.com>
4071         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
4072         information fields.
4074 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
4076         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
4077         Replace two_file_shared_1.so with two_file_shared_2.so.
4078         * testsuite/Makefile.in: Regenerated.
4080 2009-12-08  Doug Kwan  <dougkwan@google.com>
4082         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
4083         (HFILES): Add attributes.h and int_encoding.h.
4084         * Makefile.in: Regenerate.
4085         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
4086         function definitions to int_encoding.cc
4087         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
4088         prototypes to int_encoding.h
4089         * reduced_debug_output.cc (int_encoding.h): New include.
4090         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
4091         function definitions to int_encoding.cc
4092         (insert_into_vector, read_from_pointer): Move template definitions to
4093         int_encoding.h
4094         * attributes.cc: New file.
4095         * attributes.h: New file.
4096         * int_encoding.cc: New file.
4097         * int_encoding.h: New file.
4099 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
4101         PR gold/11055
4102         * incremental-dump.cc (dump_incremental_inputs): New.
4103         (main): Use dump_incremental_inputs.
4105 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
4107         PR gold/10893
4108         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
4109         checking elfcpp::STT_FUNC.
4110         (Target_i386::Relocate::relocate): Likewise.
4111         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4113         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
4114         symbols from shared libraries into normal FUNC symbols.
4116         * symtab.h (Symbol): Add is_func and use it.
4118 2009-12-05  Doug Kwan  <dougkwan@google.com>
4120         * arm.cc (Target_arm::arm_info): Initialize new fields
4121         attributes_section and attributes_vendor.
4122         * i386.cc (Target_i386::i386_info): Same.
4123         * object.cc (Sized_relobj::do_layout): Skip attribute section.
4124         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
4125         fields attributes_section and attributes_vendor.
4126         * sparc.cc (Target_sparc::sparc_info): Same.
4127         * target.h (Target::attributes_section, Target::attributes_vendor,
4128         Target::is_attributes_section, Target::attribute_arg_type,
4129         Target::attributes_order): New method definitions.
4130         (Target::Target_info::attributes_section,
4131         Target::Target_info::attributes_vendor): New fields.
4132         (Target::do_attribute_arg_type, Target::do_attributes_order): New
4133         virtual method definitions.
4134         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
4135         attributes_section and attributes_vendor.
4136         * testsuite/testfile.cc (Target_test::test_target_info): Same.
4138 2009-12-05  Doug Kwan  <dougkwan@google.com>
4140         * arm.cc: Update comments about interworking and stub generation.
4141         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
4142         considered as non-PIC.
4143         (Arm_relocate_functions::base_abs): Fix formatting.
4144         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
4145         of function to use GOT entry address instead of offset.
4146         (Target_arm::Scan::global): Issue an error if a symbol would need a
4147         PLT does not get one because it is untyped.  Remove code to create
4148         dynamic symbols for relative branches.
4149         (Target_arm::Relocate::relocate: Use 0 instead of false since function
4150         takes unsigned integer instead of boolean.
4152 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
4154         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
4155         (two_file_test_LDADD): Likewise.
4156         (common_test_1_LDADD): Likewise.
4157         (exception_test_LDADD) Likewise.
4158         (weak_test_LDADD): Likewise.
4159         (many_sections_test_LDADD): Likewise.
4160         (initpri1_LDADD): Likewise.
4161         (script_test_1_LDADD): Likewise.
4162         (script_test_2_LDADD): Likewise.
4163         (justsyms_LDADD): Likewise.
4164         (binary_test_LDADD): Likewise.
4165         (large_LDADD): Likewise.
4166         * testsuite/Makefile.in: Regenerated.
4168 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
4170         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
4171         (Symbol_table::override_with_special): Likewise.
4172         (Symbol_table::add_from_object): Likewise.
4174 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4176         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4177         Don't set the data_offset twice.
4179 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4181         * testsuite/Makefile.in: Regenerate.
4183 2009-12-03  Doug Kwan  <dougkwan@google.com>
4185         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
4186         (Target_arm::do_finalize_sections): Add parameter for symbol table
4187         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
4188         * i386.cc (Target_i386::do_finalize_sections): Add an additional
4189         parameter for symbol table pointer.
4190         * layout.cc (Layout::finalize): Call Target::finalize_sections with
4191         an additional parameter for a pointer to symbol table.
4192         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
4193         parameter for a symbol table pointer.
4194         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
4195         * target.h (Target::finalize_sections, Target::do_finalize_sections):
4196         Ditto.
4197         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4198         parameter for a symbol table pointer.
4200 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4202         * incremental.cc (Incremental_inputs_header)
4203         (Incremental_inputs_header_write, Incremental_inputs_entry)
4204         (Incremental_inputs_entry_write): Move ...
4205         * incremental.h (Incremental_inputs_header)
4206         (Incremental_inputs_header_write, Incremental_inputs_entry)
4207         (Incremental_inputs_entry_write): here.
4209 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4211         * incremental.cc (make_sized_incremental_binary): Set the target.
4212         Error if it is incompatible.
4213         * output.h (Output_file): Add filename method.
4215 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4217         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4218         from the get_* methods.
4220 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4222         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4223         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4224         Write 0 for the data_offset of scripts.
4226 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4228         * testsuite/Makefile.am: Add the incremental_test.sh test.
4229         * testsuite/incremental_test.sh: New.
4230         * testsuite/incremental_test_1.c: New.
4231         * testsuite/incremental_test_2.c: New.
4233 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4235        * incremental-dump.cc (main): Fix typos.
4237 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4239         PR gold/11025
4240         * incremental-dump.cc (main): Use llu to print 64 bit values.
4242 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
4243             H.J. Lu  <hongjiu.lu@intel.com>
4245         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4246         $(LIBDL).
4247         (incremental_dump_LDADD): Likewise.
4248         * Makefile.in: Regenerated.
4250 2009-11-25  Doug Kwan  <dougkwan@google.com>
4252         Revert:
4254         2009-11-25  Doug Kwan  <dougkwan@google.com>
4256                 * arm.cc (Target_arm::Target_arm): Move method definition
4257                 outside of class definition.  Add code to handle
4258                 --target1-rel, --target1-abs and --target2= options.
4259                 (Target_arm::get_reloc_reloc_type): Change method to be
4260                 non-static and const.
4261                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4262                 New data member declaration.
4263                 (Target_arm::Scan::local, Target_arm::Scan::global,
4264                 Target_arm::Relocate::relocate,
4265                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4266                 Adjust call to Target_arm::get_real_reloc_type.
4267                 (Target_arm::get_real_reloc_type): Use command line options
4268                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4269                 * options.h (--target1-rel, --target1-abs, --target2): New
4270                 ARM-only options.
4272 2009-11-25  Doug Kwan  <dougkwan@google.com>
4274         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4275         class definition.  Add code to handle --target1-rel, --target1-abs
4276         and --target2= options.
4277         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4278         and const.
4279         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4280         member declaration.
4281         (Target_arm::Scan::local, Target_arm::Scan::global,
4282         Target_arm::Relocate::relocate,
4283         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4284         call to Target_arm::get_real_reloc_type.
4285         (Target_arm::get_real_reloc_type): Use command line options to
4286         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4287         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4288         options.
4290 2009-11-25  Doug Kwan  <dougkwan@google.com>
4292         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4293         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4294         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4295         formatting.
4296         (Arm_relocate_functions::thm_call): Replace body with a call to
4297         Arm_relocate_functions::thumb_branch_common.
4298         (Arm_relocate_functions::thm_jump24,
4299         Arm_relocate_functions::thm_xpc22): New method definitions.
4300         (Arm_relocate_functions::thumb_branch_common): New method definition.
4301         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4302         operator.
4303         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4304         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4306 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4308         * Makefile.am: Build incremental-dump
4309         * Makefile.in: Regenerate.
4310         * incremental-dump.cc: New.
4311         * incremental.cc (Incremental_inputs_header_data,
4312         Incremental_inputs_entry_data): Move to incremental.h
4313         * incremental.h: (Incremental_inputs_header_data,
4314         Incremental_inputs_entry_data): Move from incremental.cc
4316 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4318         * incremental.cc (Incremental_inputs_header,
4319         Incremental_inputs_header_write, Incremental_inputs_entry,
4320         Incremental_inputs_entry_write): Add a typedef with the data type.
4322 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4324         * incremental.cc (Incremental_inputs_header,
4325         Incremental_inputs_header_write, Incremental_inputs_entry,
4326         Incremental_inputs_entry_write): Update comment about which
4327         type has the filed descriptions.
4329 2009-11-15  Doug Kwan  <dougkwan@google.com>
4331         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4332         (Arm_relocate_functions::arm_branch_common): Change method defintion
4333         in class definition to a method declaration and update list of formal
4334         parameters.
4335         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4336         Arm_relocation_functions::jump24): Adjust call to
4337         Arm_relocate_functions::arm_branch_common.  Update list of formal
4338         parameters.
4339         (Arm_relocate_functions::xpc25): New method definition.
4340         (Arm_relocate_functions::arm_branch_common): Move method defintion
4341         out from class definition.  Use stubs for mode-switching and extending
4342         branch ranges.
4343         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4344         specially.  Change code to enable use of stubs in ARM branches.
4346 2009-11-10  Doug Kwan  <dougkwan@google.com>
4348         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4349         in method declaration.
4350         (Target_arm::relocate_stub): New method declaration.
4351         (Target_arm::default_target): Change to return a pointer instead of
4352         a const reference.
4353         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4354         Target_arm::default_target.
4355         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4356         method definition.
4357         (Target_arm::relocate_section): Adjust view.
4358         (Target_arm::relocate_stub): New method definition.
4360 2009-11-10  Doug Kwan  <dougkwan@google.com>
4362         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4363         a format warning.
4364         * incremental.cc (open_incremental_binary): Initialized local
4365         variables to avoid warnings.
4366         * object.cc (make_elf_object): Ditto.
4367         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4368         a format warning.
4370 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4372         PR gold/10930
4373         * testsuite/plugin_test.c: Include "config.h".
4375 2009-11-09  Doug Kwan  <dougkwan@google.com>
4377         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4378         (arm_symbol_value): Remove.
4379         (Arm_relocate_functions::arm_branch_common,
4380         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4381         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4382         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4383         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4384         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4385         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4386         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4387         Arm_relocate_functions::thm_mobw_abs_nc,
4388         Arm_relocate_functions::thm_mov_abs,
4389         Arm_relocate_functions::movw_prel_nc,
4390         Arm_relocate_functions::thm_movt_abs,
4391         Arm_relocate_functions::movt_prel,
4392         Arm_relocate_functions::thm_movw_prel_nc,
4393         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4394         (Target_arm::Relocate::relocate): Only decompose address into two
4395         parts if relocation type uses the thumb-bit and pass the actual
4396         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4397         calls to methods in Arm_relocate_functions for this change.
4399 2009-11-08  Ian Lance Taylor  <iant@google.com>
4401         PR 10925
4402         * reloc.cc: Instantiate
4403         Sized_relobj::initialize_input_to_output_maps and
4404         Sized_relobj:free_input_to_output_maps.
4406 2009-11-06  Ian Lance Taylor  <iant@google.com>
4408         PR 10876
4409         * defstd.cc (in_segment): Set only_if_ref true for "end".
4411 2009-11-06  Doug Kwan  <dougkwan@google.com>
4413         * arm.cc (class Reloc_stub): Correct a comment.
4414         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4415         (Target_arm::scan_section_for_stubs): New method declaration.
4416         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4417         Change methods from private to protected.
4418         (Target_arm::do_may_relax): New method definition.
4419         (Target_arm::do_relax, Target_arm::group_sections,
4420         Target_arm::scan_reloc_for_stub,
4421         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4422         (Target_arm::arm_input_section_map_): New data member declaration.
4423         (Target_arm::scan_reloc_for_stub,
4424         Target_arm::scan_reloc_section_for_stubs,
4425         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4426         Target_arm::do_relax): New method definitions.
4428 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4430         * configure.ac: Check for (struct stat)::st_mtim
4431         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4432         * config.in: Regenerate.
4433         * configure: Regenerate.
4435 2009-11-05  Ian Lance Taylor  <iant@google.com>
4437         PR 10910
4438         * output.cc (Output_segment::add_output_section): Add missing
4439         return statement.
4441 2009-11-04  Ian Lance Taylor  <iant@google.com>
4443         PR 10880
4444         * object.h (class Object): Add is_needed and set_is_needed
4445         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4446         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4447         defined in a dynamic object and referenced by a regular object,
4448         set is_needed for the dynamic object.
4449         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4450         if the file is marked with as_needed and it is not needed.
4452 2009-11-04  Ian Lance Taylor  <iant@google.com>
4454         PR 10887
4455         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4456         tags if data is discarded by linker script.
4457         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4458         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4459         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4460         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4462 2009-11-04  Ian Lance Taylor  <iant@google.com>
4464         * layout.cc (Layout::get_output_section): Add is_interp and
4465         is_dynamic_linker_section parameters.  Change all callers.
4466         (Layout::choose_output_section): Likewise.
4467         (Layout::make_output_section): Likewise.
4468         (Layout::add_output_section_data): Add is_dynamic_linker_section
4469         parameter.  Change all callers.
4470         * layout.h (class Layout): Update declarations.
4471         * output.h (class Output_section): Add is_interp, set_is_interp,
4472         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4473         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4474         generate_code_fills_at_write_ to a bitfield.
4475         * output.cc (Output_section::Output_sections): Initialize new
4476         fields.
4477         (Output_segment::add_output_section): Add do_sort parameter.
4478         Change all callers.
4480 2009-11-03  Ian Lance Taylor  <iant@google.com>
4482         PR 10860
4483         * options.h (class General_options): Add --warn-common.
4484         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4485         merging two common symbols.
4486         (Symbol_table::should_override): Handle --warn-common when merging
4487         a common symbol with a defined symbol.  Use report_resolve_problem
4488         for multiple definitions.
4489         (Symbol_table::report_resolve_problem): New function.
4490         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4492 2009-11-03  Doug Kwan  <dougkwan@google.com>
4494         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4495         stub_factory_.
4496         (Target_arm::stub_factory): New method definition.
4497         (Target_arm::new_arm_input_section,
4498         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4499         Target_arm::reloc_uses_thumb_bit): New method declarations.
4500         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4501         New type definitions.
4502         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4503         member declarations.
4504         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4505         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4506         New method definitions.
4508 2009-11-03  Ian Lance Taylor  <iant@google.com>
4510         * options.h (class General_options): Add --warn_constructors.
4512 2009-11-03  Ian Lance Taylor  <iant@google.com>
4514         PR 10893
4515         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4516         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4518 2009-11-03  Ian Lance Taylor  <iant@google.com>
4520         PR 10895
4521         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4522         --msgid-bugs-address.
4523         (install-pdf): New target.
4524         (install-data_yes): Look up one directory to find mkinstalldirs.
4526 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4528         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4529         tree.
4531 2009-10-30  Doug Kwan  <dougkwan@google.com>
4533         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4535 2009-10-30  Doug Kwan  <dougkwan@google.com>
4537         * arm.cc (Stub_addend_reader): New struct template definition
4538         and partial specializations.
4539         (Stub_addend_reader::operator()): New method definition for a
4540         partially specialized template.
4542 2009-10-30  Doug Kwan  <dougkwan@google.com>
4544         * arm.cc (Arm_relobj::processor_specific_flags): New method
4545         definition.
4546         (Arm_relobj::do_read_symbols): New method declaration.
4547         (Arm_relobj::processor_specific_flags_): New data member declaration.
4548         (Arm_dynobj): New class definition.
4549         (Target_arm::do_finalize_sections): Add input_objects parameter.
4550         (Target_arm::do_adjust_elf_header): New method declaration.
4551         (Target_arm::are_eabi_versions_compatible,
4552         (Target_arm::merge_processor_specific_flags): New method declaration.
4553         (Target_arm::do_make_elf_object): New overloaded method definitions
4554         and declaration.
4555         (Arm_relobj::do_read_symbols): New method definition.
4556         (Arm_dynobj::do_read_symbols): Ditto.
4557         (Target_arm::do_finalize_sections): Add input_objects parameters.
4558         Merge processor-specific flags from all input objects.
4559         (Target_arm::are_eabi_versions_compatible,
4560         Target_arm::merge_processor_specific_flags,
4561         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4562         New method definitions.
4563         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4564         Input_objects pointer type parameter.
4565         * layout.cc (Layout::finalize): Pass input objects to target's.
4566         finalize_sections function.
4567         * output.cc (Output_file_header::do_sized_write): Set ELF file
4568         header's processor-specific flags.
4569         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4570         Input_objects pointer type parameter.
4571         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4572         * target.h (Input_objects): New forward class declaration.
4573         (Target::processor_specific_flags,
4574         Target::are_processor_specific_flags_sect): New method definitions.
4575         (Target::finalize_sections): Add input_objects parameter.
4576         (Target::Target): Initialize processor_specific_flags_ and
4577         are_processor_specific_flags_set_.
4578         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4579         parameter.
4580         (Target::set_processor_specific_flags): New method definition.
4581         (Target::processor_specific_flags_,
4582         Target::are_processor_specific_flags_set_): New data member
4583         declarations.
4584         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4585         Input_objects pointer type parameter.
4587 2009-10-30  Doug Kwan  <dougkwan@google.com>
4589         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4591 2009-10-28  Ian Lance Taylor  <iant@google.com>
4593         * object.h (class Relobj): Drop options parameter from
4594         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4595         do_scan_relocs, do_relocate.  Change all callers.
4596         (class Sized_relobj): Drop options parameters from
4597         do_gc_process_relocs, do_scan_relocs, do_relocate,
4598         do_relocate_sections, relocate_sections, emit_relocs_scan,
4599         emit_relocs_scan_reltype.  Change all callers.
4600         (struct Relocate_info): Remove options field and all references to
4601         it.
4602         * reloc.h (class Read_relocs): Remove options constructor
4603         parameter and options_ field.  Change all callers.
4604         (class Gc_process_relocs, class Scan_relocs): Likewise.
4605         (class Relocate_task): Likewise.
4606         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4607         all callers.
4608         (scan_relocatable_relocs): Likewise.
4609         * target.h (class Sized_target): Remove options parameter from
4610         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4611         all callers.
4612         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4613         callers.
4614         * arm.cc: Update functions to remove options parameters.
4615         * i386.cc: Likewise.
4616         * powerpc.cc: Likewise.
4617         * sparc.cc: Likewise.
4618         * x86_64.cc: Likewise.
4619         * testsuite/testfile.cc: Likewise.
4621 2009-10-28  Doug Kwan  <dougkwan@google.com>
4623         * arm.cc (Arm_relobj): New class definition.
4624         (Arm_relobj::scan_sections_for_stubs,
4625         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4626         New method definitions.
4628 2009-10-28  Cary Coutant  <ccoutant@google.com>
4630         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4631         (Plugin::cleanup_done_): New member.
4632         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4633         (Plugin_manager::cleanup_done_): Remove.
4634         (Plugin_manager::add_input_file): Edit error message.
4635         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4636         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4638 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4640         * fileread.cc: (File_read::View::~View): Use the new
4641         data_ownership_ filed.
4642         (File_read::~File_read): Dispose the new whole_file_view_.
4643         (File_read::open): Mmap the whole file if needed.
4644         (File_read::open): Use whole_file_view_ instead of contents_.
4645         (File_read::find_view): Use whole_file_view_ if applicable.
4646         (File_read::do_read): Use whole_file_view_ instead of contents_.
4647         (File_read::make_view): Use whole_file_view_ instead of contents_,
4648         update File_read::View::View call.
4649         (File_read::find_or_make_view): Update File_read::View::View
4650         call.
4651         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4652         remove contents_
4653         (File_read::View::Data_ownership): New enum.
4654         (File_read::View::View): Replace bool mapped_ with Data_ownership
4655         argument.
4656         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4657         (File_read::View::data_ownership_): New field.
4658         (File_read::contents_): Remove (replaced by whole_file_view_).
4659         (File_read::whole_file_view_): New field.
4660         * options.h (class General_options): Add --keep-files-mapped.
4662 2009-10-27  Cary Coutant  <ccoutant@google.com>
4664         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4665         * testsuite/Makefile.am (plugin_test_5): New test case.
4666         * testsuite/Makefile.in: Regenerate.
4668 2009-10-25  Doug Kwan  <dougkwan@google.com>
4670         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4671         from private to protected to allow access by child class.
4672         (Sized_relobj::do_relocate_sections): New method declaration.
4673         (Sized_relobj::relocate_sections): Virtualize.
4674         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4675         Sized_relobj::relocate_sections.  Instantiate template explicitly
4676         for different target sizes and endianity.
4678 2009-10-24  Doug Kwan  <dougkwan@google.com>
4680         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4681         (Arm_input_section::as_arm_input_section): New method.
4682         (Arm_output_section): New class definition.
4683         (Arm_output_section::create_stub_group,
4684         Arm_output_section::group_sections): New method definitions.
4686 2009-10-22  Doug Kwan  <dougkwan@google.com>
4688         * arm.cc (Arm_input_section): New class definition.
4689         (Arm_input_section::init, Arm_input_section:do_write,
4690         Arm_input_section::set_final_data_size,
4691         Arm_input_section::do_reset_address_and_file_offset): New method
4692         definitions.
4694 2009-10-21  Doug Kwan  <dougkwan@google.com>
4696         * arm.cc (Stub_table, Arm_input_section): New forward class
4697         declarations.
4698         (Stub_table): New class defintion.
4699         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4700         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4701         New method definition.
4703 2009-10-21  Doug Kwan  <dougkwan@google.com>
4705         * arm.cc: Update copyright comments.
4706         (Target_arm): New forward class template declaration.
4707         (Arm_address): New type.
4708         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4709         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4710         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4711         constants.
4712         (Insn_template): Same.
4713         (DEF_STUBS): New macro.
4714         (Stub_type): New enum type.
4715         (Stub_template): New class definition.
4716         (Stub): Same.
4717         (Reloc_stub): Same.
4718         (Stub_factory): Same.
4719         (Target_arm::Target_arm): Initialize may_use_blx_ and
4720         should_force_pic_veneer_.
4721         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4722         Target_arm::should_force_pic_veneer,
4723         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4724         Target_arm::using_thumb_only, Target_arm:;default_target): New
4725         method defintions.
4726         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4727         New data member declarations.
4728         (Insn_template::size, Insn_template::alignment): New method defintions.
4729         (Stub_template::Stub_template): New method definition.
4730         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4731         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4732         (Stub_factory::Stub_factory): New method definition.
4733         * gold.h (string_hash): New template.
4734         * output.h (Input_section_specifier::hash_value): Use
4735         gold::string_hash.
4736         (Input_section_specifier::string_hash): Remove.
4737         * stringpool.cc (Stringpool_template::string_hash): Use
4738         gold::string_hash.
4740 2009-10-20  Doug Kwan  <dougkwan@google.com>
4742         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4743         symbols of relaxed input sections.
4744         * output.h (Output_section::find_relaxed_input_section): Make
4745         method public.
4747 2009-10-16  Doug Kwan  <dougkwan@google.com>
4749         * dynobj.cc (Versions::Versions): Initialize version_script_.
4750         Only insert base version symbol definition for a shared object
4751         if version script defines any version versions.
4752         (Versions::define_base_version): New method definition.
4753         (Versions::add_def): Check that base version is not needed.
4754         (Versions::add_need): Define base version lazily.
4755         * dynobj.h (Versions::define_base_version): New method declaration.
4756         (Versions::needs_base_version_): New data member declaration.
4757         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
4758         (check_DATA): Add no_version_test.stdout.
4759         (libno_version_test.so, no_version_test.o no_version_test.stdout):
4760         New make rules.
4761         * testsuite/Makefile.in: Regenerate.
4762         * testsuite/no_version_test.c: New file.
4763         * testsuite/no_version_test.sh: Ditto.
4765 2009-10-16  Doug Kwan  <dougkwan@google.com>
4767         * expression.cc (class Segment_start_expression): New class definition.
4768         (Segment_start_expression::value): New method definition.
4769         (script_exp_function_segment_start): Return a new
4770         Segment_start_expression.
4771         * gold/script-c.h (script_saw_segment_start_expression): New function
4772         prototype.
4773         * script-sections.cc (Script_sections::Script_sections): Initialize
4774         SAW_SEGMENT_START_EXPRESSION_ to false.
4775         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
4776         and -Tbbs options to specify section addresses if given in
4777         command line and no SEGMENT_START expression is seen in a script.
4778         * script-sections.h (Script_sections::saw_segment_start_expression,
4779         Script_sections::set_saw_segment_start_expression): New method
4780         definition.
4781         (Script_sections::saw_segment_start_expression_): New data member
4782         declaration.
4783         * script.cc (script_saw_segment_start_expression): New function.
4784         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
4785         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
4786         script_test_7.sh and script_test_8.sh.
4787         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
4788         script_test_8.stdout.
4789         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
4790         (script_test_6, script_test_6.stdout, script_test_7,
4791         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
4792         * Makefile.in: Regenerate.
4793         * testsuite/script_test_6.sh: New file.
4794         * testsuite/script_test_6.t: Same.
4795         * testsuite/script_test_7.sh: Same.
4796         * testsuite/script_test_7.t: Same.
4797         * testsuite/script_test_8.sh: Same.
4799 2009-10-16  Doug Kwan  <dougkwan@google.com>
4801         * output.cc (Output_segment::set_section_list_address): Cast
4802         expressions to unsigned long long type to avoid format warnings.
4804 2009-10-15  Ian Lance Taylor  <iant@google.com>
4806         * script.cc (Script_options::add_symbol_assignment): Always add a
4807         dot assignment to script_sections_.
4808         * script-sections.cc (Script_sections::add_dot_assignment):
4809         Initialize if necessary.
4811         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
4812         program headers with no load segment if there is a linker script.
4814         * layout.cc (Layout::set_segment_offsets): Align the file offset
4815         to the segment aligment for -N or -n with no load segment.
4816         * output.cc (Output_segment::add_output_section): Don't crash if
4817         the first section is a TLS section.
4818         (Output_segment::set_section_list_addresses): Print an error
4819         message if the address moves backward in a linker script.
4820         * script-sections.cc
4821         (Output_section_element_input::set_section_addresses): Don't
4822         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
4823         (Orphan_output_section::set_section_addresses): Likewise.
4825 2009-10-15  Doug Kwan  <dougkwan@google.com>
4827         * layout.cc (Layout::finish_dynamic_section): Generate tags
4828         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
4829         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
4830         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
4832 2009-10-14  Ian Lance Taylor  <iant@google.com>
4834         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
4835         fields.
4836         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
4837         data_shdr fields of relinfo.
4838         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
4839         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
4840         R_386_TLS_LDO_32, adjust based on section flags.
4841         (Target_i386::Relocate::fix_up_ldo): Remove.
4843 2009-10-13  Ian Lance Taylor  <iant@google.com>
4845         Add support for -pie.
4846         * options.h (class General_options): Add -pie and
4847         --pic-executable.
4848         (General_options::output_is_position_independent): Test -pie.
4849         (General_options::output_is_executable): Return true if not shared
4850         and not relocatable.
4851         (General_options::output_is_pie): Remove.
4852         * options.cc (General_options::finalize): Reject incompatible uses
4853         of -pie.
4854         * gold.cc (queue_middle_tasks): A -pie link is not static.
4855         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
4856         * symtab.cc (Symbol::final_value_is_known): Return false if
4857         output_is_position_independent.
4858         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
4859         output_is_position_independent.
4860         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
4861         output_is_position_independent.
4862         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
4863         output_is_position_independent.
4864         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
4865         two_file_pie_test.
4866         (basic_pie_test.o, basic_pie_test): New targets.
4867         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
4868         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
4869         (two_file_pie_test): New target.
4870         * testsuite/Makefile.in: Rebuild.
4871         * README: Remove note saying that -pie is not supported.
4873 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4875         * options.h (class General_options): Add -init and -fini.
4876         * layout.cc (Layout::finish_dynamic_section): Emit
4877         given init and fini functions.
4879 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
4881         * gc.h (gc_process_relocs): Check if icf is enabled using new
4882         function.
4883         * gold.cc (queue_initial_tasks): Likewise.
4884         (queue_middle_tasks): Likewise.
4885         * object.cc (do_layout): Likewise.
4886         * symtab.cc (is_section_folded): Likewise.
4887         * main.cc (main): Likewise.
4888         * reloc.cc (Read_relocs::run): Likewise.
4889         (Sized_relobj::do_scan_relocs): Likewise.
4890         * icf.cc (is_function_ctor_or_dtor): New function.
4891         (Icf::find_identical_sections): Check if function is ctor or dtor when
4892         safe icf is chosen.
4893         * options.h (General_options::icf): Change option to be an enum.
4894         (Icf_status): New enum.
4895         (icf_enabled): New method.
4896         (icf_safe_folding): New method.
4897         (set_icf_status): New method.
4898         (icf_status_): New variable.
4899         * (options.cc) (General_options::finalize): Set icf_status_.
4900         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
4901         icf_test and icf_keep_unique_test to use the --icf enum flag.
4902         * testsuite/icf_safe_test.sh: New file.
4903         * testsuite/icf_safe_test.cc: New file.
4905 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
4907         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
4908         includes to gc.h and icf.h.
4909         * arm.cc: Include gc.h.
4910         * gold.cc: Likewise.
4911         * i386.cc: Likewise.
4912         * powerpc.cc: Likewise.
4913         * sparc.cc: Likewise.
4914         * x86_64.cc: Likewise.
4915         * gc.h: Include icf.h.
4917 2009-10-11  Ian Lance Taylor  <iant@google.com>
4919         * plugin.cc: Include "gold.h" before other header files.
4921 2009-10-10  Chris Demetriou  <cgd@google.com>
4923         * options.h (Input_file_argument::Input_file_type): New enum.
4924         (Input_file_argument::is_lib_): Replace with...
4925         (Input_file_argument::type_): New member.
4926         (Input_file_argument::Input_file_argument): Take Input_file_type
4927         'type' rather than boolean 'is_lib' as second argument.
4928         (Input_file_argument::is_lib): Use type_.
4929         (Input_file_argument::is_searched_file): New function.
4930         (Input_file_argument::may_need_search): Handle is_searched_file.
4931         * options.cc (General_options::parse_library): Support -l:filename.
4932         (General_options::parse_just_symbols): Update for Input_file_argument
4933         changes.
4934         (Command_line::process): Likewise.
4935         * archive.cc (Archive::get_file_and_offset): Likewise.
4936         * plugin.cc (Plugin_manager::release_input_file): Likewise.
4937         * script.cc (read_script_file, script_add_file): Likewise.
4938         * fileread.cc (Input_file::Input_file): Likewise.
4939         (Input_file::will_search_for): Handle is_searched_file.
4940         (Input_file::open): Likewise.
4941         * readsyms.cc (Read_symbols::get_name): Likewise.
4942         * testsuite/Makefile.am (searched_file_test): New test.
4943         * testsuite/Makefile.in: Regenerate.
4944         * testsuite/searched_file_test.cc: New file.
4945         * testsuite/searched_file_test_lib.cc: New file.
4947 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4948             Ian Lance Taylor  <iant@google.com>
4950         * descriptor.cc: Include <cstdio> and "binary-io.h".
4951         (Descriptors::open): Open the files in binary mode always.
4952         * script.cc (Lex::get_token): Treat \r as whitespace.
4954 2009-10-09  Ian Lance Taylor  <iant@google.com>
4956         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
4958 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4959             Ian Lance Taylor  <iant@google.com>
4961         * configure.ac: Check for readv function also.
4962         * fileread.cc (readv): Define if not HAVE_READV.
4963         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
4964         does not exist.
4965         * config.in: Regenerate.
4966         * configure: Regenerate.
4968 2009-10-09  Doug Kwan  <dougkwan@google.com>
4970         * layout.cc (Layout::make_output_section): Call target hook to make
4971         ordinary output section.
4972         (Layout::finalize): Adjust parameter list of call the
4973         Target::may_relax().
4974         * layout.h (class Layout::section_list): New method.
4975         * merge.h (Output_merge_base::entsize): Change visibility to public.
4976         (Output_merge_base::is_string, Output_merge_base::do_is_string):
4977         New methods.
4978         (Output_merge_string::do_is_string): New method.
4979         * object.cc (Sized_relobj::do_setup): renamed from
4980         Sized_relobj::set_up.
4981         * object.h (Sized_relobj::adjust_shndx,
4982         Sized_relobj::initializ_input_to_output_maps,
4983         Sized_relobj::free_input_to_output_maps): Change visibilities to
4984         protected.
4985         (Sized_relobj::setup): Virtualize.
4986         (Sized_relobj::do_setup): New method declaration.
4987         (Sized_relobj::invalidate_section_offset,
4988         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
4989         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
4990         * options.cc (parse_int): New function.
4991         * options.h (parse_int): New declaration.
4992         (DEFINE_int): New macro.
4993         (stub_group_size): New option.
4994         * output.cc (Output_section::Output_section): Initialize memebers
4995         merge_section_map_, merge_section_by_properties_map_,
4996         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
4997         (Output_section::add_input_section): Handled deferred code-fill
4998         generation and remove an old comment.
4999         (Output_section::add_relaxed_input_section): New method definition.
5000         (Output_section::add_merge_input_section): Use merge section by
5001         properties map to speed to search.  Update merge section maps
5002         as appropriate.
5003         (Output_section::build_relaxation_map): New method definition.
5004         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5005         Same.
5006         (Output_section::relax_input_section): Renamed to
5007         Output_section::convert_input_sections_to_relaxed_sections and change
5008         interface to take a vector of pointers to relaxed sections.
5009         (Output_section::find_merge_section,
5010         Output_section::find_relaxed_input_section): New method definitions.
5011         (Output_section::is_input_address_mapped,
5012         Output_section::output_offset, Output_section::output_address):
5013         Use output section data maps to speed up searching.
5014         (Output_section::find_starting_output_address): Add comments.
5015         (Output_section::do_write,
5016         Output_section::write_to_postprocessing_buffer): Do code-fill
5017         generation as appropriate.
5018         (Output_section::get_input_sections): Invalidate relaxed input section
5019         map.
5020         (Output_section::restore_states): Adjust type of checkpoint .
5021         Invalidate relaxed input section map.
5022         * output.h (Output_merge_base): New class declaration.
5023         (Input_section_specifier): New class defintion.
5024         (class Output_relaxed_input_section) Change base class to
5025         Output_section_data_build.
5026         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5027         base class initializer.
5028         (Output_section::add_relaxed_input_section): New method declaration.
5029         (Output_section::Input_section): Change visibility to protected.
5030         (Output_section::Input_section::relobj,
5031         Output_section::Input_section::shndx): Handle relaxed input sections.
5032         Output_section::input_sections) Change visibility to protected.  Also
5033         define overload to return a non-const pointer.
5034         (Output_section::Merge_section_properties): New class defintion.
5035         (Output_section::Merge_section_by_properties_map,
5036         Output_section::Output_section_data_by_input_section_map,
5037         Output_section::Relaxation_map): New types.
5038         (Output_section::relax_input_section): Rename method to
5039         Output_section::convert_input_sections_to_relaxed_sections and change
5040         interface to take a vector of relaxed section pointers.
5041         (Output_section::find_merge_section,
5042         Output_section::find_relaxed_input_section,
5043         Output_section::build_relaxation_map,
5044         Output_section::convert_input_sections_in_list_to_relaxed_sections):
5045         New method declarations.
5046         (Output_section::merge_section_map_
5047         Output_section::merge_section_by_properties_map_,
5048         Output_section::relaxed_input_section_map_,
5049         Output_section::is_relaxed_input_section_map_valid_,
5050         Output_section::generate_code_fills_at_write_): New data members.
5051         * script-sections.cc
5052         (Output_section_element_input::set_section_addresses): Call
5053         current_data_size and addralign methods of relaxed input sections.
5054         (Orphan_output_section::set_section_addresses): Call current_data_size
5055         and addralign methods of relaxed input sections.
5056         * symtab.cc (Symbol_table::compute_final_value): Extract template
5057         from the body of Symbol_table::sized_finalize_symbol.
5058         (Symbol_table::sized_finalized_symbol): Call
5059         Symbol_table::compute_final_value.
5060         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
5061         (Symbol_table::compute_final_value): New templated method declaration.
5062         * target.cc (Target::do_make_output_section): New method defintion.
5063         * target.h (Target::make_output_section): New method declaration.
5064         (Target::relax): Add more parameters for input objects, symbol table
5065         and layout.  Adjust call to do_relax.
5066         (Target::do_make_output_section): New method declaration.
5067         (Target::do_relax): Add parameters for input objects, symbol table
5068         and layout.
5070 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5072         * pread.c: Include stdio.h.
5074 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5076         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
5077         defined.
5079 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5081         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5082         Change read_shndx type to unsigned int.
5083         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5084         int.
5085         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5086         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
5087         Change read_shndx type to unsigned int.
5088         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5089         int.
5090         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5091         * layout.cc (Layout::create_symtab_sections): Cast the result of
5092         local_symcount * symsize to off_t in the gold_assert.
5094 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5096         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
5097         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
5098         R_ARM_BASE_ABS.
5099         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
5100         (Arm_relocate_functions::thm_abs5): New function.
5101         (Arm_relocate_functions::abs12): New function.
5102         (Arm_relocate_functions::abs16): New function.
5103         (Arm_relocate_functions::base_abs): New function.
5104         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
5105         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
5106         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
5107         R_ARM_BASE_ABS.
5108         (Scan::global): Likewise.
5109         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
5110         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
5111         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
5112         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
5113         R_ARM_BASE_ABS.
5115 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5117         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
5118         (Arm_relocate_functions::movt_prel): New function.
5119         (Arm_relocate_functions::thm_movw_prel_nc): New function.
5120         (Arm_relocate_functions::thm_movt_prel): New function.
5121         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
5122         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
5123         (Scan::global, Relocate::relocate): Likewise.
5124         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5126 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5128         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
5129         Incremental_checker.
5130         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
5131         unsigned int.
5132         (class Incremental_inputs_header): New class.
5133         (Incremental_inputs_header_writer): Edit comment.
5134         (Incremental_inputs_entry): New class.
5135         (Incremental_inputs_entry_writer): Edit comment.
5136         (Sized_incremental_binary::do_find_incremental_inputs_section):
5137         Add *strtab_shndx parameter, fill it.
5138         (Sized_incremental_binary::do_check_inputs): New method.
5139         (Incremental_checker::can_incrementally_link_output_file): Use
5140         Sized_incremental_binary::check_inputs.
5141         (Incremental_inputs::report_command_line): Save command line in
5142         command_line_.
5143         * incremental.h:
5144         (Incremental_binary::find_incremental_inputs_section): New
5145         method.
5146         (Incremental_binary::do_find_incremental_inputs_section): Add
5147         strtab_shndx parameter.
5148         (Incremental_binary::do_check_inputs): New pure virtual method.
5149         (Sized_incremental_binary::do_check_inputs): Declare.
5150         (Incremental_checker::Incremental_checker): Add incremental_inputs
5151         parameter, use it to initialize incremental_inputs_.
5152         (Incremental_checker::incremental_inputs_): New field.
5153         (Incremental_checker::command_line): New method.
5154         (Incremental_checker::inputs): New method.
5155         (Incremental_checker::command_line_): New field.
5157 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5159         * incremental.cc: Include <cstdarg> and "target-select.h".
5160         (vexplain_no_incremental): New function.
5161         (explain_no_incremental): New function.
5162         (Incremental_binary::error): New method.
5163         (Sized_incremental_binary::do_find_incremental_inputs_section): New
5164         method.
5165         (make_sized_incremental_binary): New function.
5166         (open_incremental_binary): New function.
5167         (can_incrementally_link_file): Add checks if output is ELF and has
5168         inputs section.
5169         * incremental.h: Include "elfcpp_file.h" and "output.h".
5170         (Incremental_binary): New class.
5171         (Sized_incremental_binary): New class.
5172         (open_incremental_binary): Declare.
5173         * object.cc (is_elf_object): Use
5174         elfcpp::Elf_recognizer::is_elf_file.
5175         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
5176         * output.h (Output_file::filesize): New method.
5178 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5180         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
5181         New function.
5182         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
5183         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
5184         function.
5185         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
5186         function.
5187         (Arm_relocate_functions::movw_abs_nc): New function.
5188         (Arm_relocate_functions::movt_abs): New function.
5189         (Arm_relocate_functions::thm_movw_abs_nc): New function.
5190         (Arm_relocate_functions::thm_movt_abs): New function.
5191         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
5192         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
5193         (Scan::global): Likewise.
5194         (Relocate::relocate): Likewise.
5195         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5197 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5199         * arm.cc (Arm_relocate_functions::got_prel) New function.
5200         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5201         (Relocate::relocate): Likewise.
5202         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5204 2009-10-06  Ian Lance Taylor  <iant@google.com>
5206         * options.h (class General_options): Define
5207         split_stack_adjust_size parameter.
5208         * object.h (class Object): Add uses_split_stack_ and
5209         has_no_split_stack_ fields.  Add uses_split_stack and
5210         has_no_split_stack accessor functions.  Declare
5211         handle_split_stack_section.
5212         (class Reloc_symbol_changes): Define.
5213         (class Sized_relobj): Define Function_offsets.  Declare
5214         split_stack_adjust, split_stack_adjust_reltype, and
5215         find_functions.
5216         * object.cc (Object::handle_split_stack_section): New function.
5217         (Sized_relobj::do_layout): Call handle_split_stack_section.
5218         * dynobj.cc (Sized_dynobj::do_layout): Call
5219         handle_split_stack_section.
5220         * reloc.cc (Sized_relobj::relocate_sections): Call
5221         split_stack_adjust for executable sections in split_stack
5222         objects.  Pass reloc_map to relocate_section.
5223         (Sized_relobj::split_stack_adjust): New function.
5224         (Sized_relobj::split_stack_adjust_reltype): New function.
5225         (Sized_relobj::find_functions): New function.
5226         * target-reloc.h: Include "object.h".
5227         (relocate_section): Add reloc_symbol_changes parameter.  Change
5228         all callers.
5229         * target.h (class Target): Add calls_non_split method.  Declare
5230         do_calls_non_split virtual method.  Declare match_view and
5231         set_view_to_nop.
5232         * target.cc: Include "elfcpp.h".
5233         (Target::do_calls_non_split): New function.
5234         (Target::match_view): New function.
5235         (Target::set_view_to_nop): New function.
5236         * gold.cc (queue_middle_tasks): Give an error if mixing
5237         split-stack and non-split-stack objects with -r.
5238         * i386.cc (Target_i386::relocate_section): Add
5239         reloc_symbol_changes parameter.
5240         (Target_i386::do_calls_non_split): New function.
5241         * x86_64.cc (Target_x86_64::relocate_section): Add
5242         reloc_symbol_changes parameter.
5243         (Target_x86_64::do_calls_non_split): New function.
5244         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5245         parameter.
5246         * powerpc.cc (Target_powerpc::relocate_section): Add
5247         reloc_symbol_changes parameter.
5248         * sparc.cc (Target_sparc::relocate_section): Add
5249         reloc_symbol_changes parameter.
5250         * configure.ac: Call AM_CONDITIONAL for the default target.
5251         * configure: Rebuild.
5252         * testsuite/Makefile.am (TEST_AS): New variable.
5253         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5254         (check_DATA): Add split_i386 and split_x86_64 files.
5255         (SPLIT_DEFSYMS): Define.
5256         (split_i386_[1234n].o): New targets.
5257         (split_i386_[124]): New targets.
5258         (split_i386_[1234r].stdout): New targets.
5259         (split_x86_64_[1234n].o): New targets.
5260         (split_x86_64_[124]): New targets.
5261         (split_x86_64_[1234r].stdout): New targets.
5262         (MOSTLYCLEANFILES): Add new executables.
5263         * testsuite/split_i386.sh: New file.
5264         * testsuite/split_x86_64.sh: New file.
5265         * testsuite/split_i386_1.s: New file.
5266         * testsuite/split_i386_2.s: New file.
5267         * testsuite/split_i386_3.s: New file.
5268         * testsuite/split_i386_4.s: New file.
5269         * testsuite/split_i386_n.s: New file.
5270         * testsuite/split_x86_64_1.s: New file.
5271         * testsuite/split_x86_64_2.s: New file.
5272         * testsuite/split_x86_64_3.s: New file.
5273         * testsuite/split_x86_64_4.s: New file.
5274         * testsuite/split_x86_64_n.s: New file.
5275         * testsuite/testfile.cc (Target_test): Update relocation_section
5276         function.
5277         * testsuite/Makefile.in: Rebuild.
5279 2009-10-06  Ian Lance Taylor  <iant@google.com>
5281         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5282         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5283         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5284         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5285         the address on ldo_addrs_.
5286         (Target_i386::Relocate::fix_up_ldo): New function.
5288 2009-10-06   Rafael Espindola  <espindola@google.com>
5290         * plugin.cc (add_input_library): New.
5291         (Plugin::load): Add add_input_library to tv.
5292         (Plugin_manager::add_input_file): Add the is_lib argument.
5293         (add_input_file): Update call to Plugin_manager::add_input_file.
5294         (add_input_library): New.
5295         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5297 2009-09-30  Doug Kwan  <dougkwan@google.com>
5299         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5300         symbol and call Symbol::may_need_copy_reloc to determine if
5301         a copy reloc is needed.
5302         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5303         nocopyreloc is given in command line.
5304         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5305         given in command line.
5306         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5307         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5308         of the removed Target_i386::may_need_copy_reloc.
5309         * options.h (copyreloc): New option with default value false.
5310         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5311         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5312         instead of the removed Target_powerpc::may_need_copy_reloc.
5313         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5314         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5315         instead of the removed Target_sparc::may_need_copy_reloc.
5316         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5317         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5318         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5319         instead of the removed Target_x86_64::may_need_copy_reloc.
5321 2009-09-30  Ian Lance Taylor  <iant@google.com>
5323         * object.h (class Object): Remove target_ field, and target,
5324         sized_target, and set_target methods.
5325         (Object::sized_target): Remove.
5326         (class Sized_relobj): Update declarations.  Remove sized_target.
5327         * object.cc (Sized_relobj::setup): Remove target parameter.
5328         Change all callers.
5329         (Input_objects::add_object): Don't do anything with the target.
5330         (make_elf_sized_object): Add punconfigured parameter.  Change all
5331         callers.  Set or test parameter target.
5332         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5333         Change all callers.
5334         * parameters.cc (Parameters::set_target): Change parameter type to
5335         be non-const.
5336         (Parameters::default_target): Remove.
5337         (set_parameters_target): Change parameter type to be non-const.
5338         (parameters_force_valid_target): New function.
5339         (parameters_clear_target): New function.
5340         * parameters.h (class Parameters): Update declarations.  Remove
5341         default_target method.  Add sized_target and clear_target
5342         methods.  Change target_ to be non-const.
5343         (set_parameters_target): Update declaration.
5344         (parameters_force_valid_target): Declare.
5345         (parameters_clear_target): Declare.
5346         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5347         as NULL if we aren't searching.
5348         (Add_symbols::run): Don't check for compatible target.
5349         * fileread.cc (Input_file::open_binary): Call
5350         parameters_force_valid_target.
5351         * gold.cc (queue_middle_tasks): Likewise.
5352         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5353         set_target on object.
5354         * dynobj.h (class Sized_dynobj): Update declarations.
5355         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5356         make_elf_object returns NULL.
5357         (Archive::include_member): Don't check whether object target is
5358         compatible.
5359         * output.cc (Output_section::add_input_section): Get target from
5360         parameters.
5361         (Output_section::relax_input_section): Likewise.
5362         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5363         parameters.
5364         (Sized_relobj::do_scan_relocs): Likewise.
5365         (Sized_relobj::relocate_sections): Likewise.
5366         * resolve.cc (Symbol_table::resolve): Likewise.
5367         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5368         parameter.  Change all callers.
5369         (Symbol_table::add_from_object): Get target from parameters.
5370         (Symbol_table::add_from_relobj): Don't check object target.
5371         (Symbol_table::add_from_dynobj): Likewise.
5372         (Symbol_table::define_special_symbol): Get target from
5373         parameters.
5374         * symtab.h (class Symbol_table): Update declaration.
5375         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5376         parameter.  Change all callers.  Clear parameter target.
5377         (Binary_test): Test target here.
5378         * testsuite/object_unittest.cc (gold_testsuite): Remove
5379         target_test_pointer parameter.  Change all callers.
5380         (Object_test): Test target here.
5382 2009-09-26  Ian Lance Taylor  <iant@google.com>
5384         * testsuite/initpri1.c: Don't try to use constructor priorities if
5385         compiling with gcc before 4.3.
5387 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5389         * testsuite/retain_symbols_file_test.sh (check_present): Change
5390         output file name to retain_symbols_file_test.stdout.
5391         (check_absent): Likewise.
5393 2009-09-18  Craig Silverstein  <csilvers@google.com>
5395         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5396         * options.cc: Include <cerrno> and <fstream>.
5397         (General_options::finalize): Parse -retain-symbols-file tag.
5398         * options.h: New flag.
5399         (General_options): New method should_retain_symbol, new
5400         variable symbols_to_retain.
5401         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5402         should_retain_symbol map.
5403         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5404         * testsuite/Makefile.in: Regenerate.
5405         * testsuite/retain_symbols_file_test.sh: New file.
5407 2009-09-18  Nick Clifton  <nickc@redhat.com>
5409         * po/es.po: Updated Spanish translation.
5411 2009-09-17  Doug Kwan  <dougkwan@google.com>
5413         * debug.h (DEBUG_RELAXATION): New constant.
5414         (DEBUG_ALL): Add DEBUG_RELAXATION.
5415         (debug_string_to_enum): Add relaxation debug option.
5416         * layout.cc
5417         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5418         Layout::Relaxation_debug_check::read_sections,
5419         Layout::Relaxation_debug_check::read_sections): New method definitions.
5420         (Layout::Layout): Initialize data members
5421         record_output_section_data_from_scrips_,
5422         script_output_section_data_list_ and relaxation_debug_check_.
5423         (Layout::save_segments, Layout::restore_segments,
5424         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5425         Layout::relaxation_loop_body): New method definitions.
5426         (Layout::finalize): Support relaxation.  Move section layout code to
5427         Layout::relaxation_loop_body.
5428         (Layout::set_asection_address_from_script): Move code for orphan
5429         section placement out.
5430         (Layout::place_orphan_sections_in_script): New method definition.
5431         * layout.h (Output_segment_headers, Output_file_header):
5432         New forward class declarations.
5433         (Layout::~Layout): Define.
5434         (Layout::new_output_section_data_from_script): New method definition.
5435         (Layout::place_orphan_sections_in_script): New method declaration.
5436         (Layout::Segment_states): New type declaration.
5437         (Layout::save_segments, Layout::restore_segments,
5438         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5439         Layout::relaxation_loop_body): New method declarations.
5440         (Layout::Output_section_data_list): New type declaration.
5441         (Layout::Relaxation_debug_check): New class definition.
5442         (Layout::record_output_section_data_from_script_,
5443         Layout::script_output_section_data_list_, Layout::segment_states_,
5444         Layout::relaxation_debug_check_): New data members.
5445         * output.cc: (Output_section_headers::do_size): New method definition.
5446         (Output_section_headers::Output_section_headers): Move size
5447         computation to Output_section_headers::do_size.
5448         (Output_segment_headers::do_size): New method definition.
5449         (Output_file_header::Output_file_header): Move size computation to
5450         Output_file_header::do_size and call it.
5451         (Output_file_header::do_size): New method definition.
5452         (Output_data_group::Output_data_group): Adjust call to
5453         Output_section_data.
5454         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5455         (Output_symtab_xindex::do_write): Add array bound check.
5456         (Output_section::Input_section::print_to_mapfile): Handle
5457         RELAXED_INPUT_SECTION_CODE.
5458         (Output_section::Output_section): Initialize data member checkpoint_.
5459         (Output_section::~Output_section): Delete checkpoint object pointed
5460         by checkpoint_.
5461         (Output_section::add_input_section): Always add an Input_section if
5462         relaxing.
5463         (Output_section::add_merge_input_section): Add assert.
5464         (Output_section::relax_input_section): New method definition.
5465         (Output_section::set_final_data_size): Set load address to zero for
5466         an unallocated section.
5467         (Output_section::do_address_and_file_offset_have_reset_values):
5468         New method definition.
5469         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5470         Handle relaxed input section.
5471         (Output_section::sort_attached_input_sections): Checkpoint input
5472         section list lazily.
5473         (Output_section::get_input_sections): Change type of input_sections to
5474         list of Simple_input_section pointers.  Checkpoint input section list
5475         lazily.  Also handle relaxed input sections.
5476         (Output_section::add_input_section_for_script): Take a reference to
5477         a Simple_input_section object instead of Relobj pointer and section
5478         index as parameter.  Handle relaxed input sections.
5479         (Output_section::save_states, Output_section::restore_states): New
5480         method definitions.
5481         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5482         (Output_data::is_data_size_fixed): New method definition.
5483         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5484         if it is fixed.
5485         (Output_data::address_and_file_offset_have_reset_values): New method
5486         definition.
5487         (Output_data::do_address_and_file_offset_have_reset_values): New method
5488         definition.
5489         (Output_data::set_data_size): Check that data size is not fixed.
5490         (Output_data::fix_data_size): New method definition.
5491         (Output_data::is_data_size_fixed_): New data member.
5492         (Output_section_headers::set_final_data_size): New method definition.
5493         (Output_section_headers::do_size): New method declaration.
5494         (Output_segment_headers::set_final_data_size): New method definition.
5495         (Output_segment_headers::do_size): New method declaration.
5496         (Output_file_header::set_final_data_size)::New method definition.
5497         (Output_file_header::do_size)::New method declaration.
5498         (Output_section_data::Output_section_data): Add new parameter
5499         is_data_size_fixed and use it to fix data size.
5500         (Output_data_const::Output_data_const): Adjust call to base class
5501         constructor and fix data size.
5502         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5503         base class constructor and fix data size.
5504         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5505         base class constructor and fix data size.
5506         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5507         class constructor and fix data size.
5508         (Output_data_group::set_final_data_size): New method definition.
5509         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5510         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5511         class constructor and fix data size.
5512         (Output_relaxed_input_section): New class definition.
5513         (Output_section::Simple_input_section): New class definition.
5514         (Output_section::get_input_sections): Adjust parameter list.
5515         (Output_section::add_input_section_for_script): Same.
5516         (Output_section::save_states, Output_section::restore_states,
5517         Output_section::do_address_and_file_offset_have_reset_values,
5518         (Output_section::Input_section::Input_section): Handle
5519         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5520         Output_relaxed_input_section.
5521         (Output_section::Input_section::is_input_section,
5522         Output_section::Input_section::set_output_section): Handle relaxed
5523         input section.
5524         (Output_section::Input_section::is_relaxed_input_section,
5525         Output_section::Input_section::output_section_data,
5526         Output_section::Input_section::relaxed_input_section): New method
5527         definitions.
5528         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5529         value.
5530         (Output_section::Input_section::u1_): Update comments.
5531         (Output_section::Input_section::u2_): Add new union member poris.
5532         (Output_section::Checkpoint_output_section): New classs definition.
5533         (Output_section::relax_input_section): New method declaration.
5534         (Output_section::checkpoint_): New data member.
5535         (Output_segment): Update comments.
5536         (Output_segment::Output_segment): Un-privatize copy constructor.
5537         (Output_segment::operator=): Un-privatize.
5538         * script-sections.cc (Output_section_element::Input_section_list):
5539         Change element type to Output_section::Simple_input_section.
5540         (Output_section_element_dot_assignment::set_section_addresses):
5541         Register output section data for relaxation clean up.
5542         (Output_data_exression::Output_data_expression): Adjust call to base
5543         constructor to fix data size.
5544         (Output_section_element_data::set_section_addresses): Register
5545         Output_data_expression object for relaxation clean up.
5546         (struct Input_section_info): Replace Relobj pointer and section index
5547         pair with Output_section::Simple_input_section and Convert struct to a
5548         class.
5549         (Input_section_sorter::operator()): Adjust access to
5550         Input_section_info data member to use accessors.
5551         (Output_section_element_input::set_section_addresses): Use layout
5552         parameter.  Adjust code to use Output_section::Simple_input_section
5553         and Input_secction_info classes.  Register filler for relaxation
5554         clean up.
5555         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5556         and section index pair with Output_section::Simple_input_section
5557         class.  Adjust code accordingly.
5558         (Phdrs_element::release_segment): New method definition.
5559         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5560         segment list.
5561         (Script_sections::release_segments): New method definition.
5562         * gold/script-sections.h (Script_sections::release_segments): New
5563         method declaration.
5564         * gold/target.h (Target::may_relax, Target::relax,
5565         Target::do_may_relax, Target::do_relax): New method definitions.
5567 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5569         * arm.cc (has_signed_unsigned_overflow): New function.
5570         (Arm_relocate_functions::abs8): New function.
5571         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5572         (Target_arm::Scan::global): Likewise.
5573         (Target_arm::relocate::relocate): Likewise.
5574         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5575         Likewise.
5577 2009-09-16  Cary Coutant  <ccoutant@google.com>
5579         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5580         * testsuite/Makefile.in: Regenerate.
5582 2009-09-11  Nick Clifton  <nickc@redhat.com>
5584         * po/gold.pot: Updated by the Translation project.
5586 2009-09-08  Cary Coutant  <ccoutant@google.com>
5588         * output.cc (Output_file::open): Add execute permission to empty file.
5589         * testsuite/Makefile.am (permission_test): New test.
5590         * testsuite/Makefile.in: Regenerate.
5592 2009-09-02  Ian Lance Taylor  <iant@google.com>
5594         * output.cc (Output_file::resize): Call map_no_anonymous rather
5595         than map.
5597 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5599         * gold.cc: Include "incremental.h".
5600         (queue_initial_tasks): Call Incremental_checker methods.
5601         * incremental.cc: Include "output.h".
5602         (Incremental_checker::can_incrementally_link_output_file): New
5603         method.
5604         * incremental.h (Incremental_checker): New class.
5606         * output.cc (Output_file::open_for_modification): New method.
5607         (Output_file::map_anonymous): Changed return type to bool.  Record
5608         map in base_ field.
5609         (Output_file::map_no_anonymous): New method, broken out of map.
5610         (Output_file::map): Use map_no_anonymous and map_anonymous.
5611         * output.h (class Output_file): Update declarations.
5613 2009-08-24  Cary Coutant  <ccoutant@google.com>
5615         * options.h (Command_line::Pre_options): New class.
5616         (Command_line::pre_options): New member.
5617         * options.cc (gold::options::ready_to_register): New variable.
5618         (One_option::register_option): Do nothing if not registering options.
5619         Assert if same short option registered twice.
5620         (General_options::General_options): Turn off option registration when
5621         done constructing.
5622         (Command_line::Pre_options::Pre_options): New constructor.
5624 2009-08-24  Cary Coutant  <ccoutant@google.com>
5626         * options.h (General_options::no_keep_memory): Remove incorrect
5627         short option.
5629 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5631         * Makefile.am (am__skiplex, am__skipyacc): New.
5632         * Makefile.in: Regenerate.
5634 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5636         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5637         (INCLUDES): ... this.
5638         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5639         (AM_CPPFLAGS): Renamed from ...
5640         (INCLUDE): ... this.
5641         * Makefile.in, testsuite/Makefile.in: Regenerate.
5643         * Makefile.in: Regenerate.
5644         * aclocal.m4: Likewise.
5645         * config.in: Likewise.
5646         * configure: Likewise.
5647         * testsuite/Makefile.in: Likewise.
5649         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5650         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5651         * Makefile.in: Regenerate.
5652         * testsuite/Makefile.in: Regenerate.
5654 2009-08-19  Cary Coutant  <ccoutant@google.com>
5656         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5657         symbols in shared libraries overridden by hidden or internal symbols
5658         in the main program.
5660 2009-08-19  Chris Demetriou  <cgd@google.com>
5662         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5663         checking source file names in error messages.
5665 2009-08-18  Doug Kwan  <dougkwan@google.com>
5667         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5668         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5669         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5670         an elfcpp::Ehdr as parameter.
5671         * object.cc (Object::set_target): Remove the version that looks up
5672         a target and sets it.
5673         (Sized_relobj::setup): Take a Target object instead of
5674         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5675         (make_elf_sized_object): Find target and ask target to
5676         make an ELF object.
5677         * object.h: (Object::set_target): Remove the version that looks up
5678         a target and sets it.
5679         (Sized_relobj::setup): Take a Target object instead of
5680         an elfcpp:Ehdr as parameter.
5681         * target.cc: Include dynobj.h.
5682         (Target::do_make_elf_object_implementation): New.
5683         (Target::do_make_elf_object): New.
5684         * target.h (Target::make_elf_object): New template declaration.
5685         (Target::do_make_elf_object): New method declarations.
5686         (Target::do_make_elf_object_implementation): New template declaration.
5688 2009-08-14  Ian Lance Taylor  <iant@google.com>
5690         * gold.h (FUNCTION_NAME): Define.
5691         (gold_unreachable): Use FUNCTION_NAME.
5693 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5695         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5696         symbol in the --keep-unique list is not found.
5698 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5700         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5701         been maked as --keep-unique.
5702         (Icf::unfold_section): New function.
5703         * icf.h (Icf::unfold_section): New function.
5704         * options.h (General_options::keep_unique): New option.
5705         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5706         * testsuite/Makefile.in: Regenerate.
5707         * testsuite/icf_keep_unique_test.sh: New file.
5708         * testsuite/icf_keep_unique_test.cc: New file.
5710 2009-08-12  Cary Coutant  <ccoutant@google.com>
5712         PR 10471
5713         * resolve.cc (Symbol_table::resolve): Check for references from
5714         dynamic objects to hidden and internal symbols.
5715         * testsuite/Makefile.am (hidden_test.sh): New test.
5716         * testsuite/Makefile.in: Regenerate.
5717         * testsuite/hidden_test.sh: New script.
5718         * testsuite/hidden_test_1.c: New test source.
5719         * testsuite/hidden_test_main.c: New test source.
5721 2009-08-11  Doug Kwan  <dougkwan@google.com>
5723         * arm.cc: Update comments.
5724         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5725         segment to locate the .ARM.exidx section if present.
5727 2009-08-09  Doug Kwan  <dougkwan@google.com>
5729         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5730         patch.
5732 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5733         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5734         compiler warnings.
5736 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5738         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5739         valid tls_segment only for non-debug-section relocations.
5740         * testsuite/Makefile.am: Add gc_tls_test.
5741         * testsuite/Makefile.in: Regenerate.
5742         * testsuite/gc_tls_test.cc: New file.
5743         * testsuite/gc_tls_test.sh: New file.
5745 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5747         * icf.cc: New file.
5748         * icf.h: New file.
5749         * Makefile.am (CCFILES): Add icf.cc.
5750         (HFILES): Add icf.h
5751         * Makefile.in: Regenerate.
5752         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5753         * gc.h (gc_process_relocs): Populate lists used by icf to contain
5754         section, symbol and addend information for the relocs.
5755         * gold.cc (queue_middle_tasks): Call identical code folding.
5756         * gold.h: Add defines for multimap.
5757         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
5758         to the call of finalize_local_symbols.
5759         * main.cc (main): Create object of class Icf.
5760         * object.cc (Sized_relobj::do_layout): Allow this function to be
5761         called twice during icf.
5762         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
5763         to sections marked as identical by icf.
5764         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
5765         when available.
5766         (Sized_relobj::do_section_entsize): New function.
5767         * object.h (Object::section_entsize): New function.
5768         (Object::do_section_entsize): New pure virtual function.
5769         (Relobj::finalize_local_symbols): Add new parameter.
5770         (Relobj::do_section_entsize): New function.
5771         * options.h (General_options::icf): New option.
5772         (General_options::icf_iterations): New option.
5773         (General_options::print_icf_sections): New option.
5774         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
5775         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
5776         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
5777         icf.
5778         * symtab.cc (Symbol_table::is_section_folded): New function.
5779         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
5780         to sections marked as identical by icf.
5781         * symtab.h (Symbol_table::set_icf): New function.
5782         (Symbol_table::icf): New function.
5783         (Symbol_table::is_section_folded): New function.
5784         (Symbol_table::icf_): New data member.
5785         * target-reloc.h (relocate_section): Ignore sections folded by icf.
5786         * testsuite/Makefile.am: Add commands to build icf_test.
5787         * testsuite/Makefile.in: Regenerate.
5788         * testsuite/icf_test.sh: New file.
5789         * testsuite/icf_test.cc: New file.
5791 2009-07-24  Chris Demetriou  <cgd@google.com>
5793         * layout.cc (is_compressible_debug_section): Fix incorrect
5794         comment about compressed section names.
5796 2009-07-20  Ian Lance Taylor  <ian@airs.com>
5798         PR 10419
5799         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
5801 2009-07-16  Ian Lance Taylor  <iant@google.com>
5803         PR 10400
5804         * layout.h: #include <map>.
5805         (class Kept_section): Change from struct to class.  Add accessors
5806         and setters.  Add section size to Comdat_group mapping.  Change
5807         Comdat_group to std::map.  Add is_comdat_ field.  Add
5808         linkonce_size field in union.
5809         (class Layout): Update declaration of find_or_add_kept_section.
5810         Don't declare find_kept_object.
5811         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
5812         parameter.  Add object, shndx, is_comdat, and is_group_name
5813         parameters.  Change all callers.  Adjust for new Kept_section.
5814         (Layout::find_kept_object): Remove.
5815         * object.cc (Sized_relobj::include_section_group): Update use of
5816         Kept_section.  Rename secnum to shndx.  Only record
5817         Kept_comdat_section if sections are the same size.
5818         (Sized_relobj::include_linkonce_section): Update use of
5819         Kept_section.  Only record Kept_comdat_section if sections are the
5820         same size.  Set size of linkonce section.
5821         (Sized_relobj::map_to_kept_section): Update call to
5822         get_kept_comdat_section.
5823         * object.h (class Sized_relobj): Rename fields in
5824         Kept_comdat_section to drop trailing underscores; change object
5825         field to Relobj*.  Change Kept_comdat_section_table to store
5826         struct rather than pointer.
5827         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
5828         Add kept_object and kept_shndx parameters.  Change all callers.
5829         (Sized_relobj::get_kept_comdat_section): Change return type to
5830         bool.  Add kept_object and kept_shndx parameters.  Change all
5831         callers.
5832         * plugin.cc (Pluginobj::include_comdat_group): Update call to
5833         Layout::find_or_add_kept_section.
5835 2009-07-09  Ian Lance Taylor  <iant@google.com>
5837         * merge.cc (Object_merge_map::initialize_input_to_output_map):
5838         Reserve space in the hash table.
5840 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
5842         * fileread.cc (File_read::get_mtime): New method.
5843         * fileread.h (Timespec): New structure.
5844         (File_read::get_mtime): New method.
5845         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
5846         Renamed from timestamp_nsec.
5847         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
5848         Elf_Xword.
5849         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
5850         timestamp_nsec.
5851         (Incremental_inputs::report_archive): Save mtime; style fix.
5852         (Incremental_inputs::report_obejct): Save mtime; style fix.
5853         (Incremental_inputs::report_script): Save mtime; style fix.
5854         (Incremental_inputs::finalize_inputs): Style fix.
5855         (Incremental_inputs::finalize): Style fix.
5856         (Incremental_inputs::create_input_section_data): Store inputs
5857         mtime.
5858         * incremental.h (Incremental_inputs::report_script): Add mtime
5859         argument.
5860         (Incremental_inputs::Input_info::Input_info): Intialize only one
5861         union member.
5862         (Incremental_inputs::Input_info::archive): Move to nameless
5863         union.
5864         (Incremental_inputs::Input_info::obejct): Move to nameless union.
5865         (Incremental_inputs::Input_info::script): Move to nameless union.
5866         (Incremental_inputs::mtime): New field.
5867         * script.cc (read_input_script): Pass file mtime to
5868         Incremental_input.
5869         * script.h (Script_info::inputs): Style fix.
5871 2009-07-01  Ian Lance Taylor  <ian@airs.com>
5873         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
5874         instead of 32.
5876 2009-06-24  Ian Lance Taylor  <iant@google.com>
5878         PR 10156
5879         * layout.cc (Layout::choose_output_section): If we find an
5880         existing section, update the flags.
5881         (Layout::create_notes): New function, broken out of
5882         Layout::finalize.
5883         (Layout::finalize): Don't create note sections.
5884         (Layout::create_note): Don't crash if linker script discards
5885         section.
5886         (Layout::create_gold_note): Likewise.
5887         (Layout::create_build_id): Likewise.  Don't set
5888         after_input_sections on the section.
5889         (Layout::create_executable_stack_info): Remove target parameter.
5890         Change caller.
5891         * layout.h (class Layout): Declare create_notes.  Update
5892         declaration of create_executable_stack_info.
5893         * gold.cc (queue_middle_tasks): Call create_notes.
5894         * output.cc (Output_section::update_flags_for_input_section): Move
5895         here from output.h.  If SHF_ALLOC flag is newly set, mark address
5896         invalid.
5897         * output.h (Output_data::mark_address_invalid): New function.
5898         (class Output_section): Only declare, not define,
5899         update_flags_for_input_section.  Remove set_flags.
5901 2009-06-24  Ian Lance Taylor  <iant@google.com>
5903         * script-sections.cc (Output_section_definition::
5904         set_section_addresses): Rename shadowing local load_address to
5905         laddr.
5907 2009-06-24  Ian Lance Taylor  <iant@google.com>
5909         PR 10244
5910         * reloc.cc (relocate_sections): Skip empty relocation sections.
5912 2009-06-23  Ian Lance Taylor  <iant@google.com>
5914         PR 10156
5915         * layout.cc (Layout::create_note): Use choose_output_section
5916         rather than make_output_section.
5918 2009-06-23  Ian Lance Taylor  <iant@google.com>
5920         PR 10237
5921         * options.cc (General_options::parse_V): Set printed_version_.
5922         (General_options::General_options): Initialize printed_version_.
5923         * options.h (class General_options): Add printed_version_ field.
5924         * gold.cc (queue_initial_tasks): If there are no input files,
5925         don't give a fatal error if we printed the version information.
5926         (queue_middle_tasks): If using -r with a shared object, give a
5927         fatal error rather than an ordinary error.
5929 2009-06-23  Ian Lance Taylor  <iant@google.com>
5931         PR 10219
5932         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
5933         (Layout::make_output_section): Set have_stabstr_section_ if we see
5934         a .stab*str section.
5935         (Layout::finalize): Call link_stabs_sections.
5936         (Layout::link_stabs_sections): New file.
5937         * layout.h (class Layout): Add have_stabstr_section_ field.
5938         Declare link_stabs_sections.
5940 2009-06-23  Doug Kwan  <dougkwan@google.com>
5942         * Makefile.am (libgold_a_LIBADD): New.
5943         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
5944         * Makefile.in: Regenerate.
5945         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
5946         * configure: Regenerate.
5947         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
5948         * fileread.cc: Include sys/state.h
5949         * gold.h: Declare memmem and strndup if found missing.
5950         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
5952 2009-06-23  Ian Lance Taylor  <iant@google.com>
5954         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
5955         * configure: Rebuild.
5957 2009-06-23  Ian Lance Taylor  <iant@google.com>
5959         PR 10147
5960         * object.cc (Object::section_contents): Don't try to get a view if
5961         the section has length zero.
5962         (Object::handle_gnu_warning_section): If the section is empty, use
5963         the name of the section as the warning.
5965 2009-06-23  Ian Lance Taylor  <iant@google.com>
5967         PR 10133
5968         * stringpool.h (class Stringpool_template): Add optimize_ field.
5969         (Stringpool_template::set_optimize): New function.
5970         * stringpool.cc (Stringpool_template::Stringpool_template):
5971         Initialize optimize_ field.
5972         (Stringpool_template::set_string_offsets): Test local optimize
5973         fild rather than parameter.
5974         * layout.cc (Layout::Layout): Call set_optimize on the section
5975         name stringpool.
5977 2009-06-22  Ian Lance Taylor  <iant@google.com>
5979         PR 10030
5980         * yyscript.y: Parse TARGET.
5981         * script.cc (script_set_target): New function.
5982         * script-c.h (script_set_target): Declare.
5983         * options.cc (General_options::string_to_object_format): Rename
5984         from string_to_object_format in anonymous namespace.  Change
5985         callers.
5986         * options.h (class General_options): Declare
5987         string_to_object_format.
5989 2009-06-22  Ian Lance Taylor  <iant@google.com>
5991         * script-sections.cc (Script_sections::create_segments): Don't put
5992         program headers in a PT_LOAD segment if -n or -N.
5994 2009-06-22  Ian Lance Taylor  <iant@google.com>
5996         PR 10141
5997         * options.h (class General_options): Add -z lazy and -z now.  Sort
5998         -z options into alphabetical order.
5999         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6001 2009-06-21  Ian Lance Taylor  <iant@google.com>
6003         * layout.cc (Layout::make_output_section): Call
6004         Target::new_output_section.
6005         (Layout::attach_allocated_section_to_segment): Put large section
6006         sections in a separate load segment with the large segment flag
6007         set.
6008         (Layout::segment_precedes): Sort large data segments after other
6009         load segments.
6010         (align_file_offset): New static function.
6011         (Layout::set_segment_offsets): Use align_file_offset.
6012         * output.h (class Output_section): Add is_small_section_ and
6013         is_large_section_ fields.
6014         (Output_section::is_small_section): New function.
6015         (Output_section::set_is_small_section):  New function.
6016         (Output_section::is_large_section): New function.
6017         (Output_section::set_is_large_section): New function.
6018         (Output_section::is_large_data_section): New function.
6019         (class Output_segment): Add is_large_data_segment_ field.
6020         (Output_segment::is_large_data_segment): New function.
6021         (Output_segment::set_is_large_data_segment): New function.
6022         * output.cc (Output_section::Output_section): Initialize new
6023         fields.
6024         (Output_segment::Output_segment): Likewise.
6025         (Output_segment::add_output_section): Add assertion that large
6026         data sections always go in large data segments.  Force small data
6027         sections to the end of the list of data sections.  Force small BSS
6028         sections to the start of the list of BSS sections.  For large BSS
6029         sections to the end of the list of BSS sections.
6030         * symtab.h (class Symbol): Declare is_common_shndx.
6031         (Symbol::is_defined): Check Symbol::is_common_shndx.
6032         (Symbol::is_common): Likewise.
6033         (class Symbol_table): Define enum Commons_section_type.  Update
6034         declarations.  Add small_commons_ and large_commons_ fields.
6035         * symtab.cc (Symbol::is_common_shndx): New function.
6036         (Symbol_table::Symbol_table): Initialize new fields.
6037         (Symbol_table::add_from_object): Put small and large common
6038         symbols in the right list.
6039         (Symbol_table::sized_finalized_symbol): Check
6040         Symbol::is_common_shndx.
6041         (Symbol_table::sized_write_globals): Likewise.
6042         * common.cc (Symbol_table::do_allocate_commons): Allocate new
6043         common symbol lists.  Don't call do_allocate_commons_list if the
6044         list is empty.
6045         (Symbol_table::do_allocate_commons_list): Remove is_tls
6046         parameter.  Add comons_section_type parameter.  Change all
6047         callers.  Handle small and large common symbols.
6048         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
6049         Symbol::is_common_shndx.
6050         * resolve.cc (symbol_to_bits): Likewise.
6051         * target.h (Target::small_common_shndx): New function.
6052         (Target::small_common_section_flags): New function.
6053         (Target::large_common_shndx): New function.
6054         (Target::large_common_section_flags): New function.
6055         (Target::new_output_section): New function.
6056         (Target::Target_info): Add small_common_shndx, large_common_shndx,
6057         small_common_section_flags, and large_common_section_flags
6058         fields.
6059         (Target::do_new_output_section): New virtual function.
6060         * arm.cc (Target_arm::arm_info): Initialize new fields.
6061         * i386.cc (Target_i386::i386_info): Likewise.
6062         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6063         Likewise.
6064         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
6065         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6066         (Target_x86_64::do_new_output_section): New function.
6067         * configure.ac: Define conditional MCMODEL_MEDIUM.
6068         * testsuite/Makefile.am (check_PROGRAMS): Add large.
6069         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
6070         (large_LDFLAGS): Define.
6071         * testsuite/large.c: New file.
6072         * testsuite/testfile.cc (Target_test::test_target_info):
6073         Initialize new fields.
6074         * configure, testsuite/Makefile.in: Rebuild.
6076 2009-06-05  Doug Kwan  <dougkwan@google.com>
6078         * Makefile.am (CCFILES): Add target.cc.
6079         * Makefile.in: Regenerate.
6080         * i386.cc (class Target_i386): Define new virtual method to
6081         override do_is_local_label_name in parent.
6082         * object.cc (Sized_relobj::do_count_local_symbols): Discard
6083         local symbols if --discard-locals or -X is given.
6084         * options.h (class General_options): Declare new options
6085         '--discard-locals' and '-X' for discarding locals.
6086         * target.h (class Target): Define new methods is_local_label_name.
6087         Declare new virtual method do_is_local_label_name.
6088         * target.cc: New file.
6089         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
6090         (check_SCRIPTS): Add discard_locals_test.sh.
6091         (check_DATA): Add discard_local_tests.syms.
6092         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
6093         (discard_local_tests.syms, discard_locals_test.o): New make rules.
6094         * testsuite/Makefile.in: Regenerate.
6095         * testsuite/discard_locals_test.c: New file.
6096         * testsuite/discard_locals_test.sh: Same.
6098 2009-06-05  Doug Kwan  <dougkwan@google.com>
6100         * object.cc (Sized_relobj::Sized_relobj): Initialize
6101         discarded_eh_frame_shndx_ to -1U.
6102         (Sized_relobj::do_layout): Record index of a discard .eh_frame
6103         section.
6104         (Sized_relobj::do_count_local_symbols): Skip local symbols in
6105         a discarded .eh_frame section.
6106         (Sized_relobj::do_finalize_local_symbols): Ditto.
6107         * object.h (class Sized_relobj): Declare new member
6108         discarded_eh_frame_shndx_.
6109         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
6110         (local_labels_test.o, local_labels_test): New rules.
6111         * testsuite/Makefile.in: Regenerate.
6113 2009-06-04  Doug Kwan  <dougkwan@google.com>
6115         * layout.cc (Layout::section_name_mapping): Add mapping for
6116         special ARM sections.
6118 2009-06-03  Doug Kwan  <dougkwan@google.com>
6120         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
6121         (utils::has_overflow): Same.
6123 2009-06-03  Ian Lance Taylor  <iant@google.com>
6125         * layout.cc (Layout::section_name_mapping): New array, replacing
6126         Layout::linkonce_mapping.
6127         (Layout::section_name_mapping_count): New variable, replacing
6128         Layout::linkonce_mapping_count.
6129         (Layout::linkonce_output_name): Remove.
6130         (Layout::output_section_name): Rewrite.
6131         * layout.h (class Layout): Rename Linkonce_mapping to
6132         Section_name_mapping, linkonce_mapping to section_name_mapping,
6133         linkonce_mapping_count to section_name_mapping_count.  Don't
6134         declare linkonce_output_name.
6136 2009-06-03  Doug Kwan  <dougkwan@google.com>
6138         * gold/arm.cc (namespace utils): New.
6139         (Target_arm::reloc_is_non_pic): Define new method.
6140         (class Arm_relocate_functions): New.
6141         (Target_arm::Relocate::relocate): Handle relocation types used by
6142         Android.
6144 2009-06-03  Ian Lance Taylor  <iant@google.com>
6146         * arm.cc (Target_arm::scan::global): Use || instead of |.
6148 2009-06-02  Doug Kwan  <dougkwan@google.com>
6150         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
6151         issued_non_pic_error_.
6152         (class Target_arm::Scan): Declare new method check_non_pic.
6153         Define new method symbol_needs_plt_entry.
6154         Declare new data member issued_non_pic_error_.
6155         (class Target_arm::Relocate): Declare new method
6156         should_apply_static_reloc.
6157         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
6158         (Target_arm::Scan::check_non_pic): Define new method.
6159         (Target_arm::Scan::local): Handle a small subset of reloc types used
6160         by Android.
6161         (Target_arm::Scan::local): Same.
6162         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
6164 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
6166         * incremental.cc (Incremental_inputs::report_command_line): Filter
6167         out --incremental-* options.
6169 2009-05-29  Doug Kwan  <dougkwan@google.com>
6171         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
6172         template class.
6173         (class Target_arm): Update comment.
6174         (Target_arm::Target_arm): Initialize new data members GOT_,
6175         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
6176         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
6177         and Target_arm::rel_dyn_section.
6178         Declare new_enum Target_arm::Got_type.
6179         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
6180         and DYNBSS_.
6181         Update commments for member do_dynsym_value.
6182         (Target_arm::got_size, Target_arm::plt_section,
6183         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
6184         new methods inside class defintion.
6185         (Target_arm::got_section): Define new method.
6186         (Target_arm::rel_dyn_section): Same.
6187         (Output_data_plt_arm): New template class.
6188         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
6189         (Output_data_plt_arm:do_adjust_output_section): Define new method.
6190         (Output_data_plt_arm::add_entry): Same.
6191         (Output_data_plt_arm::first_plt_entry): Define new
6192         static data member for PLT instruction template.
6193         (Output_data_plt_arm::plt_entry): Same.
6194         (Output_data_plt_arm::do_write): Define new method.
6195         (Target_arm::make_plt_entry): Same.
6196         (Target_arm::do_finalize_sections): Same.
6197         (Target_arm::do_dynsym_value): Same.
6199 2009-05-28  Doug Kwan  <dougkwan@google.com>
6201         * Makefile.am (TARGETSOURCES): Add arm.cc.
6202         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6203         * Makefile.in: Regenerate.
6204         * arm.cc: New file.
6205         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6207 2009-05-26  Doug Kwan  <dougkwan@google.com>
6209         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6210         (General_options::check_excluded_libs): Strip off directories in
6211         archive name before matching like GNU ld does.
6212         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6213         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6214         (exclude_libs_test_LDFLAGS): Add linker option
6215         -Wl,--exclude-libs,libexclude_libs_test_3
6216         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6217         an explicit archive without using -l.
6218         (alt/libexclude_libs_test_3.a): New make rule.
6219         * testsuite/Makefile.in: Regenerate.
6220         * testsuite/exclude_libs_test.c : Declare lib3_default().
6221         (main): Call it.
6222         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6223         * exclude_libs_test_3.c: New file.
6225 2009-05-26  Nick Clifton  <nickc@redhat.com>
6227         * po/id.po: New Indonesian translation.
6228         * po/gold.pot: Updated template file.
6230 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6232         * testsuite/Makefile.am: Add -ffunction-sections to compile
6233         gc_comdat_test files.  Add -Wl,--gc-sections to build
6234         gc_comdat_test.
6235         * testsuite/Makefile.in: Regenerate.
6236         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6238 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6240         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6241         kept comdat section was garbage collected.
6242         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6243         * testsuite/Makefile.in: Regenerate.
6244         * testsuite/gc_comdat_test.sh: New file.
6245         * testsuite/gc_comdat_test_1.cc: New file.
6246         * testsuite/gc_comdat_test_2.cc: New file.
6248 2009-05-19  Doug Kwan  <dougkwan@google.com>
6250         * archive.cc (Archive::Archive): Move constructor from archive.h
6251         to here.  Initialize no_export_.
6252         (Archive::get_elf_object_for_member): Set no_export flag of object.
6253         * archive.h (Archive::Archive): Move constructor body to
6254         archive.cc.
6255         (Archive::no_export): New method.
6256         (Archive::no_export_): New field.
6257         * object.h (Object::Object): Initialize no_export_ to false.
6258         (Object::no_export, Object::set_no_export): New methods.
6259         (Object::no_export_): New field.
6260         * options.cc (General_options::parse_exclude_libs): New method.
6261         (General_options::check_excluded_libs) Same.
6262         * options.h (exclude_libs): New option.
6263         (General_options::check_excluded_libs): New method declaration.
6264         (General_options::excluded_libs_): New field.
6265         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6266         default or protected visibility if an object has no-export flag set.
6267         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6268         (check_SCRIPTS): Add exclude_libs_test.sh.
6269         (check_DATA): Add exclude_libs_test.syms.
6270         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6271         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6272         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6273         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6274         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6275         libexclude_libs_test_2.a): New rules.
6276         * testsuite/Makefile.in: Regenerate.
6277         * testsuite/exclude_libs_test.c: New file.
6278         * testsuite/exclude_libs_test.sh: Ditto.
6279         * testsuite/exclude_libs_test_1.c: Ditto.
6280         * testsuite/exclude_libs_test_2.c: Ditto.
6282 2009-05-15  Ian Lance Taylor  <iant@google.com>
6284         * configure.ac: Check for declarations for cases where libiberty.h
6285         checks HAVE_DECL_xxx.
6286         * configure, config.in: Rebuild.
6288 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6290         * gold.h (Incremental_argument_list): Remove (invalid) forward
6291         declaration.
6292         * incremental.cc (Incremental_inputs::report_achive): New method.
6293         (Incremental_inputs::report_object): New method.
6294         (Incremental_inputs::report_script): New method.
6295         (Incremental_inputs::finalize_inputs): New method.
6296         (Incremental_inputs::finalize): Call finalize_inputs().
6297         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6298         Create inputs entries.
6299         * incremental.h (Incremental_input_type): New enum.
6300         (Incremental_inputs::Incremental_input): Initialize new fields.
6301         (Incremental_inputs::report_inputs): New method.
6302         (Incremental_inputs::report_achive): New method.
6303         (Incremental_inputs::report_object): New method.
6304         (Incremental_inputs::report_script): New method.
6305         (Incremental_inputs::finalize_inputs): New method.
6306         (Incremental_inputs::Input_info): New struct.
6307         (Incremental_inputs::Input_info_map): New typedef.
6308         (Incremental_inputs::lock_): New field.
6309         (Incremental_inputs::Inputs_): New field.
6310         (Incremental_inputs::Inputs_map): New field.
6311         * main.cc (main): Call Incremental_input::report_inputs.
6312         * options.h (Input_argument_list): Typedef moved from
6313         Input_arguments.
6314         (Input_file_group::Files): Remove, use ::Input_argument_list.
6315         (Input_file_group::Input_argument_list): Remove, use
6316         ::Input_argument_list.
6317         * plugin.cc (Plugin_manager::add_input_file): Add error in
6318         incremental build.
6319         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6320         functions.
6321         * script.cc (read_input_script): Call
6322         Incremental_input::report_script.
6323         * script.h (Script_info): New class.
6325 2009-04-27  Ian Lance Taylor  <iant@google.com>
6327         * x86_64.cc (do_adjust_output_section): Set entsize to
6328         plt_entry_size.
6330 2009-04-23  Elliott Hughes  <enh@google.com>
6332         * output.cc (Output_file::close): After short writes, continue
6333         writing from the correct offset in the buffer being written.
6335 2009-04-23  Chris Demetriou  <cgd@google.com>
6337         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6338         * configure: Regenerate.
6339         * config.in: Regenerate.
6340         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6341         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6343 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6345         * incremental.cc (Incremental_inputs_header_data): Renamed from
6346         Incremental_input_header_data.
6347         (Incremental_inputs_header_data::data_size): New field.
6348         (Incremental_inputs_header_data::put_input_file_count): Renamed
6349         from input_file_count.
6350         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6351         from command_line_offset.
6352         (Incremental_inputs_header_data::put_reserved): Renamed from
6353         put_reserved.
6354         (Incremental_inputs_entry_data): Renamed from
6355         Incremental_input_entry_data.
6356         (Incremental_inputs_entry_data::data_size): New field.
6357         (Incremental_inputs::report_command_line): New method.
6358         (Incremental_inputs::finalize): New method.
6359         (Incremental_inputs::create_incremental_inputs_data): New method.
6360         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6361         * incremental.h: New file.
6362         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6363        (Layout::finalize): Create incremental inputs section in
6364         incremental builds.
6365        (Layout::create_incremental_info_sections): New method.
6366         * layout.h (Layout::incremental_inputs): New method.
6367        (Layout::create_incremental_info_sections): New method.
6368        (Layout::incremental_inputs_): New field.
6369         * main.cc (main): Notify Incremental_input of the command line.
6371 2009-04-01  Ian Lance Taylor  <iant@google.com>
6372             Mikolaj Zalewski  <mikolajz@google.com>
6374         * gold.h (reserve_unordered_map): Define, three versions, one for
6375         each version of Unordered_map.
6376         * layout.cc (Layout::Layout): Remove options parameter.  Add
6377         number_of_input_files parameter.  Don't initialize options_.
6378         Initialize number_of_input_files_ and resized_signatures_.  Move
6379         sections_are_attached_.
6380         (Layout::layout_group): Reserve space for group_signatures_.
6381         (Layout::find_or_add_kept_section): Change name parameter to be a
6382         reference.  Resize signatures_ map when it gets large enough.
6383         (Layout::layout_eh_frame): Use parameters->options() instead of
6384         this->options_.
6385         (Layout::make_output_section): Likewise.
6386         (Layout::attach_allocated_section_to_segment): Likewise.
6387         (Layout::finalize, Layout::create_executable_stack): Likewise.
6388         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6389         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6390         * layout.h (class Layout): Update declarations.  Remove options_
6391         field.  Add number_of_input_files_ and resized_signatures_
6392         fields.  Move sections_are_attached_ field.
6393         * main.cc (main): Pass number of input files to Layout
6394         constructor.  Don't pass options.
6396 2009-03-30  Ian Lance Taylor  <iant@google.com>
6398         * ffsll.c (ffsll): Correct implementation.
6400 2009-03-27  Ian Lance Taylor  <iant@google.com>
6402         * ffsll.c: New file.
6403         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6404         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6405         * ftruncate.c (ftruncate): Declare before definition.
6406         * mremap.c (mremap): Likewise.
6407         * pread.c (pread): Likewise.
6408         * configure, Makefile.in, config.in: Rebuild.
6410         * mremap.c: New file.
6411         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6412         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6413         (mremap): Declare if HAVE_MREMAP is not defined.
6414         * configure, Makefile.in, config.in: Rebuild.
6416 2009-03-27  Cary Coutant  <ccoutant@google.com>
6418         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6419         position independent.
6420         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6421         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6423 2009-03-24  Cary Coutant  <ccoutant@google.com>
6425         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6426         an executable.
6427         (needs_dynamic_reloc): Likewise.
6429 2009-03-24  Ian Lance Taylor  <iant@google.com>
6431         * yyscript.y (file_cmd): Recognize EXTERN.
6432         (extern_name_list, extern_name_list_body): New nonterminals.
6433         * script.cc (script_add_extern): Define.
6434         * script-c.h (script_add_extern): Declare.
6436 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6438         * object.cc (is_elf_object): Define.
6439         * object.h (is_elf_object): Declare.
6440         * archive.cc (Archive::get_elf_object_for_member): Call
6441         is_elf_object.
6442         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6444 2009-03-24  Elliott Hughes  <enh@google.com>
6446         * output.cc (Output_file::map_anonymous): Define.
6447         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6448         try an anonymous one.  Report the size if the mmap fails.
6449         * output.h (class Output_file): Declare map_anonymous.
6451 2009-03-24  Ian Lance Taylor  <iant@google.com>
6453         * target-select.cc (instantiate_target): Don't acquire the lock if
6454         the instantiated_target_ field has already been set.
6456 2009-03-23  Ian Lance Taylor  <iant@google.com>
6458         * gold-threads.h (class Initialize_lock): Define.
6459         * gold-threads.cc (class Initialize_lock_once): Define.
6460         (initialize_lock_control): New static variable.
6461         (initialize_lock_pointer): New static variable.
6462         (initialize_lock_once): New static function.
6463         (Initialize_lock::Initialize_lock): Define.
6464         (Initialize_lock::initialize): Define.
6465         * target-select.h: Include "gold-threads.h".
6466         (class Target_selector): Add lock_ and initialize_lock_ fields.
6467         Don't define instantiate_target, just declare it.
6468         * target-select.cc (Target_selector::Target_selector): Initialize
6469         new fields.
6470         (Target_selector::instantiate_target): Define.
6471         * descriptors.h: Include "gold-threads.h".
6472         (class Descriptors): Add initialize_lock_ field.
6473         * descriptors.cc (Descriptors::Descriptors): Initialize new
6474         field.
6475         (Descriptors::open): Use initialize_lock_ field
6476         * errors.h (class Errors): Add initialize_lock_ field.
6477         * errors.cc (Errors::Errors): Initialize new field.
6478         (Errors::initialize_lock): Use initialize_lock_ field.
6479         * powerpc.cc (class Target_selector_powerpc): Remove
6480         instantiated_target_ field.  In do_recognize call
6481         instantiate_target rather than do_instantiate_target.  In
6482         do_instantiate_target just allocate a new target.
6483         * sparc.cc (class Target_selector_sparc): Likewise.
6485         * freebsd.h: New file.
6486         * i386.cc: Include "freebsd.h".
6487         (Target_i386): Derive from Target_freebsd rather than
6488         Sized_target.
6489         (Target_selector_i386): Derive from Target_selector_freebsd rather
6490         than Target_selector.
6491         * x86_64.cc: Include "freebsd.h".
6492         (Target_x86_64): Derive from Target_freebsd rather than
6493         Sized_target.
6494         (Target_selector_x86_64): Derive from Target_selector_freebsd
6495         rather than Target_selector.
6496         * target.h (class Target): Add adjust_elf_header and
6497         do_adjust_elf_header.
6498         * output.cc (Output_file_header:: do_sized_write): Call target
6499         adjust_elf_header routine.
6500         * configure.tgt: Set targ_osabi.
6501         * configure.ac: Define GOLD_DEFAULT_OSABI.
6502         * parameters.cc (Parameters::default_target): Pass
6503         GOLD_DEFAULT_OSABI to select_target.
6504         * target-select.h (class Target_selector): Make instantiate_target
6505         protected rather than private.
6506         * Makefile.am (HFILES): Add freebsd.h.
6507         * configure, Makefile.in, config.in: Rebuild.
6509         * merge.cc (do_add_input_section): Correct pend value.  Change
6510         message about last entry not being null terminated from error to
6511         warning.
6513 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6515         * incremental.cc: New file.
6516         * Makefile.am (CCFILES): Add incremental.cc.
6517         * Makefile.in: Rebuild.
6519 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6521         * layout.cc (Layout::output_section_name): Preserve names
6522         of '.note.' sections.
6524 2009-03-19  Ian Lance Taylor  <iant@google.com>
6526         * descriptors.cc (Descriptors::open): Check that the options are
6527         valid before using them.
6529 2009-03-18  Ian Lance Taylor  <iant@google.com>
6531         * script-sections.h: Include <list>.
6532         (class Script_sections): Change Sections_elements from std::vector
6533         to std::list.  Typedef public Elements_iterator.  Add
6534         orphan_section_placement_, data_segment_align_start_, and
6535         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6536         field.
6537         * script-sections.cc (class Orphan_section_placement): New class.
6538         (class Sections_element): Add virtual functions is_relro and
6539         orphan_section_init.  Remove virtual function place_orphan_here.
6540         (class Output_section_definition): Add is_relro and
6541         orphan_section_init.  Remove place_orphan_here.
6542         (class Orphan_output_section): Likewise.
6543         (Script_sections::Script_sections): Update for field changes.
6544         (Script_sections::data_segment_align): Set saw_data_segment_align_
6545         and data_segment_align_start_, not data_segment_align_index.
6546         (Script_sections::data_segment_relro_end): Check
6547         saw_data_segment_align_.  Use data_segment_align_start_ rather
6548         than data_segment_align_index_.
6549         (Script_sections::place_orphan): Rewrite to use
6550         Orphan_section_placement.
6552 2009-03-17  Ian Lance Taylor  <iant@google.com>
6554         * archive.cc (Archive::add_symbols): Check for a version attached
6555         to the symbol name in the archive map.
6556         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6557         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6558         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6559         (ver_test_11.a): New target.
6560         * testsuite/Makefile.in: Rebuild.
6562         * configure.ac: Check for chsize and posix_fallocate.  Replace
6563         ftruncate.
6564         * ftruncate.c: New file, from gnulib.
6565         * output.cc (posix_fallocate): Define dummy version if not
6566         HAVE_POSIX_FALLOCATE.
6567         (Output_file::map): Call posix_fallocate rather than lseek and
6568         write.
6569         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6570         * configure, Makefile.in, config.in: Rebuild.
6572 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6574         * layout.h (Layout::create_note): Add section_name parameter.
6575         * layout.cc (Layout::create_note): Likewise.
6576         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6578 2009-03-17  Ian Lance Taylor  <iant@google.com>
6580         * descriptors.cc: Include "options.h".
6581         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6582         (Descriptors::open): Always use O_CLOEXEC when opening a new
6583         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6584         then set FD_CLOEXEC.
6586         * sparc.cc (class Target_sparc): Add has_got_section.
6587         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6588         make sure we have a GOT section.
6590         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6591         (Target_sparc::Scan::local): Likewise.
6592         (Target_sparc::Scan::global): Likewise.
6593         (Target_sparc::Relocate::relocate): Likewise.
6594         (Target_sparc::Relocate::relocate_tls): Likewise.
6596         * symtab.cc (Symbol_table::define_default_version): New function,
6597         broken out of add_from_object.
6598         (Symbol_table::add_from_object): Call define_default_version.
6599         (Symbol_table::define_special_symbol): Add resolve_oldsym
6600         parameter.  Change all callers.  If the version for a symbol comes
6601         from a version script, resolve it with the symbol with the same
6602         name with no version.  Also add the symbol without a version if
6603         appropriate.
6604         (do_define_in_output_data): If resolving with oldsym, don't delete
6605         sym.
6606         (do_define_in_output_segment): Likewise.
6607         (do_define_as_constant): Likewise.
6608         * symtab.h (class Symbol_table): Update declarations.
6610 2009-03-13  Ian Lance Taylor  <iant@google.com>
6612         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6613         (Read_symbols::requeue): New function.
6614         (Read_symbols::do_read_symbols): If make_elf_object fails because
6615         the target type is not configured, and the file was searched for,
6616         issue a warning and retry with the next directory.
6617         (Add_symbols::run): If the file has an incompatible format, and
6618         it was searched for, requeue the Read_symbols task.  On error,
6619         release the object.
6620         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6621         dirindex parameter to constructor.  Change all callers.  Declare
6622         incompatible_warning and requeue.
6623         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6624         input_argument_ and input_group_ fields.  Add them to
6625         constructor.  Change all callers.
6626         (class Read_script): Add dirindex_ field.  Add it to constructor.
6627         Change all callers.
6628         * archive.cc (Archive::setup): Remove input_objects parameter.
6629         Change all callers.
6630         (Archive::get_file_and_offset): Likewise.
6631         (Archive::read_all_symbols): Likewise.
6632         (Archive::read_symbols): Likewise.
6633         (Archive::get_elf_object_for_member): Remove input_objects
6634         parameter.  Add punconfigured parameter.  Change all callers.
6635         (Archive::add_symbols): Change return type to bool.  Check return
6636         value of include_member.
6637         (Archive::include_all_members): Likewise.
6638         (Archive::include_member): Change return type to bool.  Return
6639         false if first included object has incompatible target.  Set
6640         included_member_ field.
6641         (Add_archive_symbols::run): If add_symbols returns false, requeue
6642         Read_symbols task.
6643         * archive.h (class Archive): Add included_member_ field.
6644         Initialize it in constructor.  Add input_file and searched_for
6645         methods.  Update declarations.
6646         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6647         input_argument_ fields.  Add them to constructor.  Change all
6648         callers.
6649         * script.cc: Include "target-select.h".
6650         (class Parser_closure): Add skip_on_incompatible_target_ and
6651         found_incompatible_target_ fields.  Add
6652         skip_on_incompatible_target parameter to constructor.  Change all
6653         callers.  Add methods skip_on_incompatible_target,
6654         clear_skip_on_incompatible_target, found_incompatible_target, and
6655         set_found_incompatible_target.
6656         (read_input_script): Add dirindex parameter.  Change all callers.
6657         If parser finds an incompatible target, requeue Read_symbols
6658         task.
6659         (script_set_symbol): Clear skip_on_incompatible_target in
6660         closure.
6661         (script_add_assertion, script_parse_option): Likewise.
6662         (script_start_sections, script_add_phdr): Likewise.
6663         (script_check_output_format): New function.
6664         * script.h (read_input_script): Update declaration.
6665         * script-c.h (script_check_output_format): Declare.
6666         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6667         (ignore_cmd): Remove OUTPUT_FORMAT.
6668         * fileread.cc (Input_file::Input_file): Add explicit this.
6669         (Input_file::will_search_for): New function.
6670         (Input_file::open): Add pindex parameter.  Change all callers.
6671         * fileread.h (class Input_file): Add input_file_argument method.
6672         Declare will_search_for.  Update declarations.
6673         * object.cc (make_elf_object): Add punconfigured parameter.
6674         Change all callers.
6675         * object.h (class Object): Make input_file public.  Add
6676         searched_for method.
6677         (make_elf_object): Update declaration.
6678         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6679         restart search.
6680         * dirsearch.h (class Dirsearch): Update declaration.
6681         * options.h (class General_options): Add --warn-search-mismatch.
6682         * parameters.cc (Parameters::is_compatible_target): New function.
6683         * parameters.h (class Parameters): Declare is_compatible_target.
6684         * workqueue.cc (Workqueue::add_blocker): New function.
6685         * workqueue.h (class Workqueue): Declare add_blocker.
6687         * fileread.cc (Input_file::open): Remove options parameter.
6688         Change all callers.
6689         (Input_file::open_binary): Likewise.
6690         * script.cc (read_input_script): Likewise.
6691         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6692         options parameter from constructor.  Change all callers.
6693         (class Read_script): Likewise.
6694         * fileread.h (class Input_file): Update declarations.
6695         * script.h (read_input_script): Update declaration.
6697 2009-03-10  Nick Clifton  <nickc@redhat.com>
6699         * po/es.po: New Spanish translation.
6701 2009-03-06  Cary Coutant  <ccoutant@google.com>
6703         * options.cc (parse_short_option): Keep dash_z from registering itself.
6705 2009-03-03  Ian Lance Taylor  <iant@google.com>
6707         PR 9918
6708         * target-reloc.h (relocate_section): Pass output_section to
6709         relocate.
6710         * i386.cc (Target_i386::should_apply_static_reloc): Add
6711         output_section parameter.  Change all callers.
6712         (Target_i386::Relocate::relocate): Add output_section parameter.
6713         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6714         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6715         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6716         * testsuite/two_file_shared.sh: New script.
6717         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6718         (check_DATA): Add two_file_shared.dbg.
6719         (two_file_shared.dbg): New target.
6720         * testsuite/Makefile.in: Rebuild.
6722 2009-03-01  Ian Lance Taylor  <iant@google.com>
6724         * configure.ac: Check for byteswap.h.
6725         * configure: Rebuild.
6726         * config.in: Rebuild.
6728 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6730         * layout.cc (Layout::find_or_add_kept_section): New function.
6731         (Layout::add_comdat): Removed.
6732         * layout.h (struct Kept_section): Move out of class Layout.
6733         Remove trailing underscores from field names.  Add group_sections
6734         field.  Rename group_ field to is_group.  Change all uses.
6735         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6736         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6737         comdat_groups_ field.
6738         (Sized_relobj::include_section_group): Use
6739         find_or_add_kept_section and Kept_section::group_sections.
6740         (Sized_relobj::include_linkonce_section): Likewise.
6741         * object.cc (class Sized_relobj): Don't define Comdat_group or
6742         Comdat_group_table.  Remove find_comdat_group and
6743         add_comdat_group.  Remove comdat_groups_ field.
6744         * plugin.cc (include_comdat_group): Use
6745         Layout::find_or_add_kept_section.
6747 2009-02-28  Ian Lance Taylor  <iant@google.com>
6749         * README: --gc-sections and map files are now supported.  Document
6750         some build requirements.
6752         PR 6992
6753         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6754         relocatable link set the value of the section symbol to zero.
6755         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
6756         relocatable link don't include the section address in the local
6757         symbol value.
6759 2009-02-27  Ian Lance Taylor  <iant@google.com>
6761         PR 6811
6762         * options.h (class Search_directory): Add is_system_directory.
6763         (class General_options): Declare is_in_system_directory.
6764         * options.cc (get_relative_sysroot): Make static.
6765         (get_default_sysroot): Make static.
6766         (General_optoins::is_in_system_directory): New function.
6767         * fileread.cc (Input_file::is_in_system_directory): New function.
6768         * fileread.h (class Input_file): Declare is_in_system_directory.
6769         * object.h (class Object): Add is_in_system_directory.
6770         (class Input_objects): Remove system_library_directory_ field.
6771         * object.cc (Input_objects::add_object): Don't set
6772         system_library_directory_.
6773         (input_objects::found_in_system_library_directory): Remove.
6774         * symtab.cc (Symbol_table::write_globals): Remove input_objects
6775         parameter.  Change all callers.
6776         (Symbol_table::sized_write_globals): Likewise.
6777         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
6778         Call Object::is_in_system_directory.
6779         * symtab.h (class Symbol_table): Update declarations.
6781         PR 5990
6782         * descriptors.h (Open_descriptor): Add is_on_stack field.
6783         * descriptors.cc (Descriptors::open): If the descriptor is on the
6784         top of the stack, remove it.  Initialize is_on_stack field.
6785         (Descriptors::release): Only add pod to stack if it is not on the
6786         stack already.
6787         (Descriptors::close_some_descriptor): Clear stack_next and
6788         is_on_stack fields.
6790         PR 7091
6791         * output.cc (Output_section::find_starting_output_address): Rename
6792         from starting_output_address; add PADDR parameter; change return
6793         type.
6794         * output.h (class Output_section): Declare
6795         find_starting_output_address instead of starting_output_address.
6796         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
6797         section symbol for which we can't find a merge section.
6799         PR 9836
6800         * symtab.cc (Symbol_table::add_from_object): If the visibility is
6801         hidden or internal, force the symbol to be local.
6802         * resolve.cc (Symbol::override_visibility): Define.
6803         (Symbol::override_base): Use override_visibility.
6804         (Symbol_table::resolve): Likewise.
6805         (Symbol::override_base_with_special): Likewise.
6806         (Symbol_table::override_with_special): If the visibility is hidden
6807         or internal, force the symbol to be local.
6808         * symtab.h (class Symbol): Add set_visibility and
6809         override_visibility.
6810         * testsuite/ver_test_1.sh: New file.
6811         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
6812         (check_DATA): Add ver_test_1.syms.
6813         (ver_test_1.syms): New target.
6814         * testsuite/Makefile.in: Rebuild.
6816 2009-02-25  Cary Coutant  <ccoutant@google.com>
6818         * layout.cc (Layout::choose_output_section): Don't rename sections
6819         when using a linker script that has a SECTIONS clause.
6820         * Makefile.in: Regenerate.
6822         * testsuite/Makefile.am (script_test_5.sh): New test case.
6823         * testsuite/Makefile.in: Regenerate.
6824         * testsuite/script_test_5.cc: New file.
6825         * testsuite/script_test_5.sh: New file.
6826         * testsuite/script_test_5.t: New file.
6828 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
6830         * archive.cc (Archive::include_member): Update calls to add_symbols.
6831         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
6832         the Layout argument.
6833         * dynobj.h (do_add_symbols): Add the Layout argument.
6834         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
6835         Layout argument.
6836         * object.h (Object::add_symbols): Add the Layout argument.
6837         (Object::do_add_symbols): Add the Layout argument.
6838         (Sized_relobj::do_add_symbols): Add the Layout argument.
6839         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
6840         Unify the two versions.
6841         (Add_plugin_symbols): Remove.
6842         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
6843         (Sized_pluginobj::do_add_symbols): Unify the two versions.
6844         (Add_plugin_symbols): Remove.
6845         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
6846         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
6847         (Add_symbols::run): Make it work with Pulginobj.
6849 2009-02-06  Ian Lance Taylor  <iant@google.com>
6851         * object.cc (Sized_relobj::do_layout): Make info message start
6852         with lower case letter.
6854 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
6856         * binary.cc: Fix file comment.
6858         * options.h (enum Incremental_disposition): Define.
6859         (class General_options): Add new options: --incremental,
6860         --incremental_changed, --incremental_unchanged,
6861         --incremental_unknown.  Add incremental_disposition_ and
6862         implicit_incremental_ fields.
6863         (General_options::incremental_disposition): New function.
6864         (class Position_dependent_options): Add incremental_disposition
6865         option.
6866         (Position_dependent_options::copy_from_options): Set incremental
6867         dispositions.
6868         * options.cc (General_options::parse_incremental_changed): New
6869         function.
6870         (General_options::parse_incremental_unchanged): New function.
6871         (General_options::parse_incremental_unknown): New function.
6872         (General_options::General_options): Initialize new fields
6873         incremental_disposition_ and implicit_incremental_.
6874         (General_options::finalize): Check for uasge of --incremental-*
6875         without --incremental.
6877 2009-02-06  Chris Demetriou  <cgd@google.com>
6879         * gold.h (gold_undefined_symbol): Change to take only a Symbol
6880         pointer and to report location as the file name associated with
6881         the symbol.
6882         (gold_undefined_symbol_at_location): New function to replace the
6883         old gold_undefined_symbol functionality.
6884         * target-reloc.h (relocate_section): Update to use
6885         gold_undefined_symbol_at_location.
6886         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6887         Call gold_undefined_symbol function rather than gold_error.
6888         * errors.h (Errors::undefined_symbol): Take location as a
6889         string, rather than calculating it from a relocation.
6890         * errors.cc (Errors::fatal): Print "fatal error:" before the
6891         formatted message.
6892         (Errors::error, Errors::error_at_location): Print "error: "
6893         before the formatted message.
6894         (Errors::undefined_symbol): Take location as a string, rather
6895         than calculating it from a relocation.
6896         (gold_undefined_symbol_at_location): New function akin to
6897         old gold_undefined_symbol, calculates location from relocation.
6898         (gold_undefined_symbol): Change to take only a Symbol pointer
6899         and to report location as the file name associated with the symbol.
6900         * testsuite/debug_msg.sh: Update for changed error messages.
6901         * testsuite/undef_symbol.sh: Likewise.
6903 2009-02-04  Duncan Sands  <baldrick@free.fr>
6905         PR 9812
6906         * reduced_debug_output.h
6907         (Output_reduced_debug_abbrev_section::failed): Use format for
6908         gold_warning.
6909         (Output_reduced_debug_info_section::faild): Likewise.
6911 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
6913         * script.cc (Lazy_demangler): New class.
6914         (Version_script_info::get_symbol_version_helper): Demangle a
6915         symbol only once.
6917 2009-01-29  Cary Coutant  <ccoutant@google.com>
6919         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
6920         to __tls_get_addr.
6921         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6923 2009-01-28  Ian Lance Taylor  <iant@google.com>
6925         * version.cc (version_string): Bump to 1.9.
6927         * gold.h: Include <cstring> and <stdint.h>.
6928         * version.cc: Include <cstdio>.
6929         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
6930         warning.
6931         * reduced_debug_output.cc (insert_into_vector): Rename from
6932         Insert_into_vector; change all callers.  Use Swap_unaligned to
6933         avoid aliasing issue; remove union since it is unnecessary.
6935 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
6937         * Makefile.am (CCFILES): Add gc.cc.
6938         (HFILES): Add gc.h.
6939         * Makefile.in: Regenerate.
6940         * gold.cc (Gc_runner): New class.
6941         (queue_initial_tasks): Call garbage collection related tasks
6942         when corresponding options are invoked.
6943         (queue_middle_gc_tasks): New function.
6944         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
6945         processed early before laying out sections during garbage collection.
6946         * gold.h (queue_middle_gc_tasks): New function.
6947         (is_prefix_of): Move from "layout.cc".
6948         * i386.cc (Target_i386::gc_process_relocs): New function.
6949         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
6950         * main.cc (main): Create object of class "Garbage_collection".
6951         * object.cc (Relobj::copy_symbols_data): New function.
6952         (Relobj::is_section_name_included): New function.
6953         (Sized_relobj::do_layout): Allow this function to be called twice
6954         during garbage collection and defer layout of section during the
6955         first call.
6956         * object.h (Relobj::get_symbols_data): New function.
6957         (Relobj::is_section_name_included): New function.
6958         (Relobj::copy_symbols_data): New function.
6959         (Relobj::set_symbols_data): New function.
6960         (Relobj::get_relocs_data): New function.
6961         (Relobj::set_relocs_data): New function.
6962         (Relobj::is_output_section_offset_invalid): New pure virtual function.
6963         (Relobj::gc_process_relocs): New function.
6964         (Relobj::do_gc_process_relocs): New pure virtual function.
6965         (Relobj::sd_): New data member.
6966         (Sized_relobj::is_output_section_offset_invalid): New function.
6967         (Sized_relobj::do_gc_process_relocs): New function.
6968         * options.h (General_options::gc_sections): Modify to not be a no-op.
6969         (General_options::print_gc_sections): New option.
6970         * plugin.cc (Plugin_finish::run): Remove function call to
6971         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
6972         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
6973         * reloc.cc (Read_relocs::run): Add task to process relocs and
6974         determine unreferenced sections when doing garbage collection.
6975         (Gc_process_relocs): New class.
6976         (Sized_relobj::do_gc_process_relocs): New function.
6977         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
6978         sections that are garbage collected.
6979         * reloc.h (Gc_process_relocs): New class.
6980         * sparc.cc (Target_sparc::gc_process_relocs): New function.
6981         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
6982         symbols whose corresponding sections are garbage collected.
6983         (Symbol_table::Symbol_table): Add new parameter for the garbage
6984         collection object.
6985         (Symbol_table::gc_mark_undef_symbols): New function.
6986         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6987         (Symbol_table::gc_mark_dyn_syms): New function.
6988         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
6989         as garbage.
6990         (Symbol_table::add_from_object): Likewise.
6991         (Symbol_table::add_from_relobj): When building shared objects, do not
6992         treat externally visible symbols as garbage.
6993         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
6994         table information for static and relocatable links.
6995         * symtab.h (Symbol_table::set_gc): New function.
6996         (Symbol_table::gc): New function.
6997         (Symbol_table::gc_mark_undef_symbols): New function.
6998         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6999         (Symbol_table::gc_mark_dyn_syms): New function.
7000         (Symbol_table::gc_): New data member.
7001         * target.h (Sized_target::gc_process_relocs): New pure virtual
7002         function.
7003         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7004         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7006 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7008         * options.h (General_options::gc_sections): Define as a no-op for now.
7009         (General_options::no_keep_memory): Ditto.
7010         (General_options::Bshareable): Define.
7011         * options.cc (General_options::finalize): Honor -Bshareable.
7013 2009-01-20  Andreas Schwab  <schwab@suse.de>
7015         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7016         read the value in the contents, since we don't use it.  Use the
7017         template endianness when writing.
7018         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7020 2009-01-19  Andreas Schwab  <schwab@suse.de>
7022         * configure.tgt (powerpc64-*): Fix targ_obj.
7024 2009-01-15  Ian Lance Taylor  <iant@google.com>
7026         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7027         local symbols when stripping all symbols.
7029 2009-01-14  Cary Coutant  <ccoutant@google.com>
7031         * output.cc (Output_reloc): Add explicit instantiations.
7033 2009-01-14  Cary Coutant  <ccoutant@google.com>
7035         * archive.cc (Archive::get_elf_object_for_member): Remove call
7036         to File_read::claim_for_plugin.
7037         * descriptors.cc (Descriptors::open): Remove reference to
7038         is_claimed.
7039         (Descriptors::claim_for_plugin): Remove.
7040         * descriptors.h (Descriptors::claim_for_plugin): Remove.
7041         (Descriptors::is_claimed): Remove.
7042         (claim_descriptor_for_plugin): Remove.
7043         * fileread.cc (File_read::claim_for_plugin): Remove.
7044         * fileread.h (File_read::claim_for_plugin): Remove.
7045         (File_read::descriptor): Reopen descriptor if necessary.
7046         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
7047         (Plugin_manager::all_symbols_read): Add task parameter. Change
7048         all callers.
7049         (Plugin_manager::get_input_file): New function.
7050         (Plugin_manager::release_input_file): New function.
7051         (Pluginobj::Pluginobj): Add filesize parameter and initialize
7052         corresponding data member.
7053         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
7054         and pass to base constructor. Change all callers.
7055         (get_input_file, release_input_file): New functions.
7056         (make_sized_plugin_object): Add filesize parameter. Change all callers.
7057         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
7058         (Plugin_manager::all_symbols_read): Add task parameter.
7059         (Plugin_manager::get_input_file): New function.
7060         (Plugin_manager::release_input_file): New function.
7061         (Plugin_manager::task_): New data member.
7062         (Pluginobj::Pluginobj): Add filesize parameter.
7063         (Pluginobj::filename): New function.
7064         (Pluginobj::descriptor): New function.
7065         (Pluginobj::filesize): New function.
7066         (Pluginobj::filesize_): New data member.
7067         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
7068         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
7069         File_read::claim_for_plugin; use Object::unlock to unlock the file.
7071         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
7072         with archive libraries.
7073         * testsuite/Makefile.in: Regenerate.
7074         * testsuite/plugin_test.c (struct sym_info): New type.
7075         (get_input_file, release_input_file): New static variables.
7076         (onload): Capture new transfer vector entries.
7077         (claim_file_hook): Stop reading at end of file according to filesize.
7078         Factor out parsing of readelf output into separate function.
7079         (all_symbols_read_hook): Exercise get_input_file and release_input_file
7080         APIs and get the source file name from the symbol table.  Convert
7081         source file name to corresponding object file name.  Print info
7082         message when adding new input files.
7083         (parse_readelf_line): New function.
7084         * testsuite/plugin_test_1.sh: Add checks for new info messages.
7085         * testsuite/plugin_test_2.sh: Likewise.
7086         * testsuite/plugin_test_3.sh: Likewise.
7087         * testsuite/plugin_test_4.sh: New test case.
7089 2009-01-07  Ian Lance Taylor  <iant@google.com>
7091         * version.cc (version_string): Bump to 1.8.
7093 2008-12-23  Cary Coutant  <ccoutant@google.com>
7095         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
7096         * plugin.cc (Plugin_manager::finish): Rename as
7097         layout_deferred_objects.  Move cleanup to separate function.
7098         (Plugin_manager::cleanup): New function.
7099         (Plugin_finish::run): Call layout_deferred_objects and cleanup
7100         separately.
7101         * plugin.h (Plugin_manager::finish): Rename as
7102         layout_deferred_objects.
7103         (Plugin_manager::cleanup): New function.
7104         (Plugin_manager::cleanup_done): New field.
7106 2008-12-23  Cary Coutant  <ccoutant@google.com>
7108         * plugin.cc (is_visible_from_outside): New function.
7109         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
7110         so we don't return "IR only" status for exported symbols or -r links.
7112         * testsuite/Makefile.am (plugin_test_3): New test case.
7113         * testsuite/Makefile.in: Regenerate.
7114         * testsuite/plugin_test_3.sh: New file.
7116 2008-12-22  Cary Coutant  <ccoutant@google.com>
7118         * object.cc (Sized_relobj::layout_section): New function.
7119         (Sized_relobj::do_layout): Defer layout of input sections until after
7120         plugin has provided replacement files.
7121         (Sized_relobj::do_layout_deferred_sections): New function.
7122         * object.h (Relobj::set_section_offset): Remove virtual keyword.
7123         (Relobj::layout_deferred_sections): New function.
7124         (Relobj::do_layout_deferred_sections): New function.
7125         (Sized_relobj::do_layout_deferred_sections): New function.
7126         (Sized_relobj::layout_section): New function.
7127         (Sized_relobj::Deferred_layout): New structure.
7128         (Sized_relobj::deferred_layout_): New field.
7129         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
7130         Change all callers.  Layout deferred sections.
7131         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
7132         references.
7133         (Plugin_hook::run): Move code from do_plugin_hook inline.
7134         (Plugin_hook::do_plugin_hook): Remove.
7135         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
7136         (Plugin_manager::finish): Renamed, was cleanup.
7137         (Plugin_manager::should_defer_layout): New function.
7138         (Plugin_manager::add_deferred_layout_object): New function.
7139         (Plugin_manager::Deferred_layout_list): New type.
7140         (Plugin_manager::deferred_layout_objects_): New field.
7141         (Plugin_hook::do_plugin_hook): Remove.
7143 2008-12-17  Ian Lance Taylor  <iant@google.com>
7145         * options.h (class General_options): Add --no case for
7146         --export-dynamic.
7148 2008-12-16  Cary Coutant  <ccoutant@google.com>
7150         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
7151         vector.
7152         (Plugin_manager::claim_file): Create plugin object even if
7153         plugin did not call the add_symbols callback.
7154         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
7155         asking for more symbols than were added.
7156         * testsuite/Makefile.am (plugin_test_1): Add test case with
7157         no global symbols.
7158         (empty.syms): New target.
7159         * testsuite/Makefile.in: Regenerate.
7160         * testsuite/plugin_test.c (claim_file_hook): Add new debug
7161         message. Don't call add_symbols if no globals.
7162         (all_symbols_read_hook): Don't provide replacement for empty
7163         claimed file.
7165 2008-12-12  Ian Lance Taylor  <iant@google.com>
7167         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
7168         r_type == 0 for a local symbol with r_sym == 0.
7169         (scan_relocatable_relocs): Pass r_sym to
7170         local_non_section_strategy.
7171         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
7172         r_sym parameter.
7174         * configure.ac: Update test for TLS descriptors: they are
7175         supported as of glibc 2.9.
7176         * configure: Rebuild.
7178 2008-12-11  Ian Lance Taylor  <iant@google.com>
7180         PR 7091
7181         * target-reloc.h (Default_scan_relocatable_relocs): For each
7182         function, map r_type == 0 to RELOC_DISCARD.
7184 2008-12-10  Cary Coutant  <ccoutant@google.com>
7186         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
7187         object to override a kept COMDAT group from a plugin object.
7189 2008-12-09  Ian Lance Taylor  <iant@google.com>
7191         PR 7088
7192         * yyscript.y (file_cmd): Handle INPUT.
7194         * testsuite/initpri1.c: Change all declarations to be full
7195         prototypes by adding void, to avoid compiler warnings.
7197 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7199         * options.cc (General_options::parse_plugin_opt): New.
7200         (General_options::add_plugin): The argument now is just the filename.
7201         (General_options::add_plugin_option): New.
7202         * options.h (plugin_opt): New.
7203         (add_plugin): Change argument name.
7204         (add_plugin_option): New.
7205         * plugin.cc (Plugin::load): Don't parse the plugin option.
7206         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7207         (Plugin::add_option): New.
7208         (Plugin::args_): Change type.
7209         (Plugin::filename_): New.
7210         (Plugin_manager::add_plugin_option): New.
7211         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7212         * testsuite/Makefile.in: Regenerate.
7214 2008-12-05  Cary Coutant  <ccoutant@google.com>
7216         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7217         Handle --strip-lto-sections option.
7218         * options.h (strip_lto_sections): New option.
7220 2008-12-01  Cary Coutant  <ccoutant@google.com>
7222         * plugin.cc (ld_plugin_message): Change format parameter to const.
7223         Fix mismatch between new[] and delete.
7225 2008-11-14  Cary Coutant  <ccoutant@google.com>
7227         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7228         instead of -1U.
7230 2008-11-05  Craig Silverstein  <csilvers@google.com>
7232         * options.cc (General_options::parse_dynamic_list): New function.
7233         * options.h (General_options): New flags dynamic_list,
7234         dynamic_list_data, dynamic_list_cpp_new, and
7235         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7236         (General_options::in_dynamic_list): New function.
7237         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7238         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7239         (Lex::can_continue_name): Likewise.
7240         (yylex): Likewise.
7241         (read_script_file): New parameter script_options.
7242         (read_dynamic_list): New function.
7243         (Script_options::define_dynamic_list): New function.
7244         (dynamic_list_keyword_parsecodes): New variable.
7245         (dynamic_list_keywords): New variable.
7246         * script.h (Script_options::define_dynamic_list): New function
7247         prototype.
7248         (read_dynamic_list): New function prototype.
7249         * symtab.cc (strprefix): New macro.
7250         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7251         dynamic_list_data, dynamic_list_cpp_new, and
7252         dynamic_list_cpp_typeinfo.
7253         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7254         (dynamic_list_expr): New rule.
7255         (dynamic_list_nodes): Likewise.
7256         (dynamic_list_node): Likewise.
7257         * testsuite/Makefile.am (dynamic_list): New test.
7258         * testsuite/Makefile.in: Regenerated.
7259         * testsuite/dynamic_list.t: New file.
7260         * testsuite/dynamic_list.sh: New file.
7262 2008-11-05  Craig Silverstein  <csilvers@google.com>
7264         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7265         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7266         (t11_last): Likewise.
7267         * testsuite/ver_test_6.c (main): Likewise.
7269 2008-10-07  Cary Coutant  <ccoutant@google.com>
7271         * options.c (General_options::finalize): Add check for -static and
7272         -shared.
7273         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7274         is not empty.
7276 2008-10-02  Cary Coutant  <ccoutant@google.com>
7278         * plugin.cc (make_sized_plugin_object): Fix conditional
7279         compilation to work when not all targets are enabled.
7281 2008-09-29  Cary Coutant  <ccoutant@google.com>
7283         * archive.cc (Archive::get_file_and_offset): Use filename instead
7284         of name to get library path.
7285         (Archive::include_member): Unlock external member of a thin archive.
7287         * testsuite/Makefile.am (TEST_AR): New variable.
7288         (thin_archive_test_1): New test.
7289         (thin_archive_test_2): New test.
7290         * testsuite/Makefile.in: Regenerate.
7291         * testsuite/thin_archive_main.cc: New file.
7292         * testsuite/thin_archive_test_1.cc: New file.
7293         * testsuite/thin_archive_test_2.cc: New file.
7294         * testsuite/thin_archive_test_3.cc: New file.
7295         * testsuite/thin_archive_test_4.cc: New file.
7297 2008-09-29  Cary Coutant  <ccoutant@google.com>
7299         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7300         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7301         instead of -1U.
7302         (Sized_relobj::do_finalize_local_symbols): Likewise.
7303         (Sized_relobj::map_to_kept_section): Likewise.
7304         * object.h (Sized_relobj::invalid_address): New constant.
7305         (Sized_relobj::do_output_section_offset): Check for invalid_address
7306         and return -1ULL.
7307         * output.cc (Output_reloc::local_section_offset): Use constant
7308         invalid_address instead of -1U.
7309         (Output_reloc::get_address): Likewise.
7310         (Output_section::output_address): Change -1U to -1ULL.
7311         * output.h (Output_reloc::invalid_address): New constant.
7312         * reloc.cc (Sized_relobj::write_sections): Use constant
7313         invalid_address instead of -1U.
7314         (Sized_relobj::relocate_sections): Likewise.
7315         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7316         values for merge sections.
7317         * target-reloc.h (relocate_for_relocatable): Use constant
7318         invalid_address instead of -1U.
7320 2008-09-19  Cary Coutant  <ccoutant@google.com>
7322         Add plugin functionality for link-time optimization (LTO).
7323         * configure.ac (plugins): Add --enable-plugins option.
7324         * configure: Regenerate.
7325         * config.in: Regenerate.
7326         * Makefile.am (LIBDL): New variable.
7327         (CCFILES): Add plugin.cc.
7328         (HFILES): Add plugin.h.
7329         (ldadd_var): Add LIBDL.
7330         * Makefile.in: Regenerate.
7332         * archive.cc: Include "plugin.h".
7333         (Archive::setup): Don't preread archive symbols when using a plugin.
7334         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7335         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7336         files.
7337         (Archive::include_member): Add symbols from plugin objects.
7338         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7339         * descriptors.cc (Descriptors::open): Check for file descriptors
7340         abandoned by plugins.
7341         (Descriptors::claim_for_plugin): New function.
7342         * descriptors.h (Descriptors::claim_for_plugin): New function.
7343         (Open_descriptor::is_claimed): New field.
7344         (claim_descriptor_for_plugin): New function.
7345         * fileread.cc (File_read::claim_for_plugin): New function.
7346         * fileread.h (File_read::claim_for_plugin): New function.
7347         (File_read::descriptor): New function.
7348         * gold.cc: Include "plugin.h".
7349         (queue_initial_tasks): Add task to call plugin hooks for generating
7350         new object files.
7351         * main.cc: Include "plugin.h".
7352         (main): Load plugin libraries.
7353         * object.h (Pluginobj): Declare.
7354         (Object::pluginobj): New function.
7355         (Object::do_pluginobj): New function.
7356         (Object::set_target): New function.
7357         * options.cc: Include "plugin.h".
7358         (General_options::parse_plugin): New function.
7359         (General_options::General_options): Initialize plugins_ field.
7360         (General_options::add_plugin): New function.
7361         * options.h (Plugin_manager): Declare.
7362         (General_options): Add --plugin option.
7363         (General_options::has_plugins): New function.
7364         (General_options::plugins): New function.
7365         (General_options::add_plugin): New function.
7366         (General_options::plugins_): New field.
7367         * plugin.cc: New file.
7368         * plugin.h: New file.
7369         * readsyms.cc: Include "plugin.h".
7370         (Read_symbols::do_read_symbols): Check for archive before checking
7371         for ELF file.  Call plugin hooks to claim files.
7372         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7373         from a real object file; force override when processing replacement
7374         files.
7375         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7376         (Symbol::init_base_object): Likewise.
7377         (Symbol::init_base_output_data): Likewise.
7378         (Symbol::init_base_output_segment): Likewise.
7379         (Symbol::init_base_constant): Likewise.
7380         (Symbol::init_base_undefined): Likewise.
7381         (Symbol::output_section): Assert that object is not a plugin.
7382         (Symbol_table::add_from_pluginobj): New function.
7383         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7384         undefined.
7385         (Symbol_table::sized_write_globals): Likewise.
7386         (Symbol_table::add_from_pluginobj): Instantiate template.
7387         * symtab.h (Sized_pluginobj): Declare.
7388         (Symbol::in_real_elf): New function.
7389         (Symbol::set_in_real_elf): New function.
7390         (Symbol::in_real_elf_): New field.
7391         (Symbol_table::add_from_pluginobj): New function.
7393         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7394         (LIBDL): New variable.
7395         (LDADD): Add LIBDL.
7396         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7397         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7398         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7399         (MOSTLYCLEANFILES): Likewise.
7400         * testsuite/Makefile.in: Regenerate.
7401         * testsuite/plugin_test.c: New file.
7402         * testsuite/plugin_test_1.sh: New file.
7403         * testsuite/plugin_test_2.sh: New file.
7405 2008-09-16  Ian Lance Taylor  <iant@google.com>
7407         * target-reloc.h (relocate_section): Check whether a symbol is
7408         defined by the ABI before reporting an undefined symbol error.
7409         * target.h (Target::is_defined_by_abi): Make parameter const.
7410         (Target::do_is_defined_by_abi): Likewise.
7411         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7412         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7413         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7414         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7415         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7416         * testsuite/Makefile.in: Rebuild.
7418         * fileread.cc (make_view): Add casts to avoid warning.
7420 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7422         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7423         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7425 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7427         * options.h (General_options::output_is_executable): New.
7428         (General_options::output_is_pie): New.
7429         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7430         for shared libraries.
7431         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7433 2008-09-11  Chris Demetriou  <cgd@google.com>
7435         * options.h (origin): New -z option.
7436         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7437         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7438         in DT_FLAGS_1.
7440 2008-09-05  Cary Coutant  <ccoutant@google.com>
7442         * fileread.cc (File_read::make_view): Add check for attempt to map
7443         beyond end of file.
7445 2008-09-05  Cary Coutant  <ccoutant@google.com>
7447         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7448         explicit instantiations.
7450 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7452         PR gold/6858
7453         * options.cc (General_options::finalize): Allow undefined symbols
7454         in shlibs if linking -shared.
7456         PR gold/6859
7457         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7458         symbols as not needing a dynsym entry.
7460 2008-08-20  Craig Silverstein  <csilvers@google.com>
7462         * fileread.cc (File_read::open): Do not lock the file unless it
7463         was successfully opened.
7465 2008-08-14  Cary Coutant  <ccoutant@google.com>
7467         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7468         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7469         * testsuite/tls_test.cc (struct int128): 128-bit struct
7470         for testing TLS relocs with non-zero addend.
7471         (v12): New TLS variable.
7472         (t12): New test.
7473         (t_last): Add check for v12.
7474         * testsuite/tls_test.h (t12): New function.
7475         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7477 2008-08-13  Ian Lance Taylor  <iant@google.com>
7479         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7480         set tls_segment_ or relro_segment_.
7481         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7482         when appropriate.
7483         * output.h (Output_section::clear_is_relro): New function.
7484         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7485         sections specially even when output_data_ is empty.
7486         (Output_segment::maximum_alignment): When first section is relro,
7487         only force alignment for PT_LOAD segments.
7488         * script.cc (script_data_segment_align): New function.
7489         (script_data_segment_relro_end): New function.
7490         * script-c.h (script_data_segment_align): Declare.
7491         (script_data_segment_relro_end): Declare.
7492         * script-sections.h (class Script_sections): Declare
7493         data_segment_align and data_segment_relro_end.  Add fields
7494         segment_align_index_ and saw_relro_end_.
7495         * script-sections.cc (class Sections_element): Add set_is_relro
7496         virtual function.  Add new bool* parameter to place_orphan_here.
7497         Add get_output_section virtual function.
7498         (class Output_section_definition): Add set_is_relro.  Add new
7499         bool* parameter to place_orphan_here.  Add get_output_section.
7500         Add is_relro_ field.
7501         (Output_section_definition::Output_section_definition): Initialize
7502         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7503         and is_relro_ fields.
7504         (Output_section_definition::place_orphan_here): Add is_relro
7505         parameter.
7506         (Output_section_definition::set_section_addresses): Set relro for
7507         output section.
7508         (Output_section_definition::alternate_constraint): Likewise.
7509         (class Orphan_output_section): Add new bool* parameter to
7510         place_orphan_here.  Add get_output_section.
7511         (Orphan_output_section::place_orphan_here): Add is_relro
7512         parameter.
7513         (Script_sections::Script_sections): Initialize
7514         data_segment_align_index_ and saw_relro_end_.
7515         (Script_sections::data_segment_align): New function.
7516         (Script_sections::data_segment_relro_end): New function.
7517         (Script_sections::place_orphan): Set or clear is_relro.
7518         (Script_sections::set_section_addresses): Force alignment of first
7519         TLS section.
7520         * yyscript.y (exp): Call script_data_segment_align and
7521         script_data_segment_relro_end.
7522         * testsuite/relro_script_test.t: New file.
7523         * testsuite/relro_test.cc (using_script): Declare.
7524         (t1, t2): Test using_script.
7525         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7526         (relro_script_test_SOURCES): Define.
7527         (relro_script_test_DEPENDENCIES): Define.
7528         (relro_script_test_LDFLAGS): Define.
7529         (relro_script_test_LDADD): Define.
7530         (relro_script_test.so): New target.
7531         * testsuite/Makefile.in: Rebuild.
7533 2008-08-06  Cary Coutant <ccoutant@google.com>
7535         * archive.cc (Archive::total_archives, Archive::total_members)
7536         (Archive::total_members_loaded): New variables.
7537         (Archive::setup): Add parameter.  Add option to preread
7538         archive symbols.
7539         (Archive::read_armap): Add counter.
7540         (Archive::get_file_and_offset): New function.
7541         (Archive::get_elf_object_for_member): New function.
7542         (Archive::read_all_symbols): New function.
7543         (Archive::read_symbols): New function.
7544         (Archive::add_symbols): Add counters.
7545         (Archive::include_all_members): Use armap to find members if it's
7546         already built.
7547         (Archive::include_member): Skip reading symbols if already read.
7548         Factored code into Archive::get_file_and_offset and
7549         Archive::get_elf_object_for_member.  Changed call to
7550         Mapfile::report_include_archive_member.
7551         (Archive::print_stats): New function.
7552         * archive.h: Declare Object and Read_symbols_data classes.
7553         (Archive::Archive): Add initializers for new members.
7554         (Archive::setup): Add parameter.
7555         (Archive::print_stats): New function.
7556         (Archive::total_archives, Archive::total_members)
7557         (Archive::total_members_loaded): New variables.
7558         (Archive::get_file_and_offset): New function.
7559         (Archive::get_elf_object_for_member): New function.
7560         (Archive::read_all_symbols): New function.
7561         (Archive::read_symbols): New function.
7562         (Archive::Archive_member): New class.
7563         (Archive::members_): New member.
7564         (Archive::num_members_): New member.
7565         * main.cc: Include archive.h.
7566         (main): Call Archive::print_stats.
7567         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7568         archive parameter; member_name is now the fully-decorated name.
7569         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7570         * options.h: (General_options): Add --preread-archive-symbols option.
7571         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7572         Archive::setup.
7574 2008-08-04  Ian Lance Taylor  <iant@google.com>
7576         * symtab.h (Symbol::use_plt_offset): New function.
7577         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7578         * powerpc.cc (Relocate::relocate): Likewise.
7579         * sparc.cc (Relocate::relocate): Likewise.
7580         * x86_64.cc (Relocate::relocate): Likewise.
7581         * testsuite/weak_plt.sh: New test.
7582         * testsuite/weak_plt_main.cc: New test.
7583         * testsuite/weak_plt_shared.cc: New test.
7584         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7585         (check_PROGRAMS): Add weak_plt.
7586         (check_DATA): Add weak_plt_shared.so.
7587         (weak_plt_main_pic.o, weak_plt): New targets.
7588         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7589         * testsuite/Makefile.in: Rebuild.
7591         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7592         gcctestdir/ld.
7593         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7594         * testsuite/Makefile.in: Rebuild.
7596 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7598         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7599         * Makefile.in: Regenerate.
7600         * po/POTFILES.in: Regenerate.
7602 2008-07-29  Ian Lance Taylor  <iant@google.com>
7604         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7605         symbols before other symbols.
7606         * testsuite/script_test_2.cc (test_addr): Declare.
7607         (test_addr_alias): Declare.
7608         (main): Check that test_addr and test_addr_alias have the right
7609         values.
7610         * testsuite/script_test_2.t: Define test_addr_alias and
7611         test_addr.
7613 2008-07-24  Ian Lance Taylor  <iant@google.com>
7615         PR 5990
7616         * descriptors.cc: New file.
7617         * descriptors.h: New file.
7618         * gold-threads.h (class Hold_optional_lock): New class.
7619         * fileread.cc: Include "descriptors.h".
7620         (File_read::~File_read): Release descriptor rather than closing
7621         it.
7622         (File_read::open) [file]: Call open_descriptor rather than open.
7623         Set is_descriptor_opened_.
7624         (File_read::open) [memory]: Assert that descriptor is not open.
7625         (File_read::reopen_descriptor): New function.
7626         (File_read::release): Release descriptor.
7627         (File_read::do_read): Make non-const.  Reopen descriptor.
7628         (File_read::read): Make non-const.
7629         (File_read::make_view): Reopen descriptor.
7630         (File_read::do_readv): Likewise.
7631         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7632         Update declarations.
7633         * layout.cc: Include "descriptors.h".
7634         (Layout::create_build_id): Use open_descriptor rather than open.
7635         * output.cc: Include "descriptors.h".
7636         (Output_file::open): Use open_descriptor rather than open.
7637         * archive.cc (Archive::const_iterator): Change Archive to be
7638         non-const.
7639         (Archive::begin, Archive::end): Make non-const.
7640         (Archive::count_members): Likewise.
7641         * archive.h (class Archive): Update declarations.
7642         * object.h (Object::read): Make non-const.
7643         * Makefile.am (CCFILES): Add descriptors.cc.
7644         (HFILES): Add descriptors.h.
7645         * Makefile.in: Rebuild.
7647         PR 6716
7648         * gold.h: Always include <clocale>.  Add Solaris workarounds
7649         following code in binutils/sysdep.h.
7651         PR 6048
7652         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7653         this->eh_frame_hdr_ is NULL before using it.
7655         * dynobj.cc (Versions::Versions): Update comment.
7657         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7658         the base version name.
7660         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7661         array size plus one.
7662         (Stringpool_template::set_string_offsets): Subtract one from key
7663         before using it as an array index.
7664         (Stringpool_template::get_offset_with_length): Likewise.
7665         (Stringpool_template::write_to_buffer): Likewise.
7666         * stringpool.h (Stringpool_template::get_offset_from_key):
7667         Likewise.
7669 2008-07-23  Ian Lance Taylor  <iant@google.com>
7671         PR 6658
7672         * object.h (Merged_symbol_value::value): Do our best to handle a
7673         negative addend.
7675         PR 6647
7676         * script.cc (Version_script_info::get_versions): Don't add empty
7677         version tag to return value.
7678         (Version_script_info::get_symbol_version_helper): Change return
7679         type to bool.  Add pversion parameter.  Change all callers.
7680         (script_register_vers_node): Don't require a non-NULL tag.
7681         * script.h (class Version_script_info): Update declarations.
7682         (Version_script_info::get_symbol_version): Change return type to
7683         bool.  Add version parameter.  Change all callers.
7684         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7685         handling.  Handle an empty version from a version script.
7686         (Symbol_table::define_special_symbol): Likewise.
7687         * testsuite/ver_test_10.script: New file.
7688         * testsuite/ver_test_10.sh: New file.
7689         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7690         (check_DATA): Add ver_test_10.syms.
7691         (ver_test_10.syms, ver_test_10.so): New target.
7692         * testsuite/Makefile.in: Rebuild.
7694 2008-07-23  Simon Baldwin  <simonb@google.com>
7696         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7697         to zero for undefined symbols from dynamic libraries.
7699 2008-07-23  Ian Lance Taylor  <iant@google.com>
7701         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7702         Change all callers.
7703         * symtab.h (class Symbol_table): Update declaration.
7704         * testsuite/ver_test_9.cc: New file.
7705         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7706         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7707         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7708         (ver_test_9.so, ver_test_9.o): New targets.
7709         * testsuite/Makefile.in: Rebuild.
7711 2008-07-22  Ian Lance Taylor  <iant@google.com>
7713         * options.h (class General_options): Define --check-sections.
7714         * layout.cc (Layout::set_segment_offsets): Handle
7715         --check-sections.
7717         * options.h (class General_options): Define -n/--nmagic and
7718         -N/--omagic.
7719         * options.cc (General_options::finalize): For -n/--nmagic or
7720         -N/--omagic, set -static.
7721         * layout.cc (Layout::attach_allocated_section_to_segment): If
7722         -N/--omagic, don't put read-only and read-write sections in
7723         different segments.
7724         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7725         finding a read-only segment.
7726         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7727         don't set the minimum segment alignment to the common page size,
7728         and don't set the file offset to the address modulo the page size.
7729         * script-sections.cc (Script_sections::create_segments): If
7730         -n/--omagic, don't put read-only and read-write sections in
7731         different segments.
7733         * cref.cc: New file.
7734         * cref.h: New file.
7735         * options.h (class General_options): Add --print-symbol-counts.
7736         * main.cc (main): Issue defined symbol report if requested.
7737         * archive.cc (Archive::interpret_header): Make into a const member
7738         function.
7739         (Archive::add_symbols): Call Input_objects::archive_start and
7740         archive_stop.
7741         (Archive::const_iterator): Define new class.
7742         (Archive::begin, Archive::end): New functions.
7743         (Archive::include_all_members): Rewrite to use iterator.
7744         (Archive::count_members): New function.
7745         * archive.h (class Archive): Update declarations.
7746         (Archive::filename): New function.
7747         * object.cc: Include "cref.h".
7748         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7749         (Sized_relobj::do_get_global_symbol_counts): New function.
7750         (Input_objects::add_object): Add object to cross-referencer.
7751         (Input_objects::archive_start): New function.
7752         (Input_objects::archive_stop): New function.
7753         (Input_objects::print_symbol_counts): New function.
7754         * object.h: Declare Cref and Archive.
7755         (Object::get_global_symbol_counts): New function.
7756         (Object::do_get_global_symbol_counts): New pure virtual function.
7757         (class Sized_relobj): Add defined_count_ field.  Update
7758         declarations.
7759         (class Input_objects): Add cref_ field.  Update constructor.
7760         Update declarations.
7761         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
7762         defined_count_.
7763         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
7764         symbol counts.
7765         (Sized_dynobj::do_get_global_symbol_counts): New function.
7766         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
7767         defined_count_.  Update declarations.  Define Symbols typedef.
7768         * symtab.cc (Symbol_table::add_from_relobj): Add defined
7769         parameter.  Change all callers.
7770         (Symbol_table::add_from_dynobj): Add sympointers and defined
7771         parameters.  Change all callers.
7772         * symtab.h (class Symbol_table): Update declarations.
7773         * Makefile.am (CCFILES): Add cref.cc.
7774         (HFILES): Add cref.h.
7775         * Makefile.in: Rebuild.
7777 2008-07-22  Simon Baldwin  <simonb@google.com>
7779         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
7780         to zero when writing undefined symbols.
7782 2008-07-22  Ian Lance Taylor  <iant@google.com>
7784         * output.cc (Output_section::add_input_section): Don't try to
7785         merge empty merge sections.
7787 2008-07-21  Craig Silverstein  <csilvers@google.com>
7789         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7790         Include symbol version in error message.
7792 2008-07-20  Chris Demetriou  <cgd@google.com>
7794         * configure.ac (gold_cv_c_random_seed): New configured variable.
7795         (RANDOM_SEED_CFLAGS): New substituted variable.
7796         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
7797         * configure: Rebuild.
7798         * Makefile.in: Likewise.
7799         * testsuite/Makefile.in: Likewise.
7801 2008-07-18  Ian Lance Taylor  <iant@google.com>
7803         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
7804         where we see NAME/NULL and NAME/VERSION  as separate symbols.
7805         * testsuite/ver_test_main.cc (main): Call t4.
7806         (t4, t4_2a): Define.
7807         * testsuite/ver_test_2.cc (t4_2): Define.
7808         * testsuite/ver_test_2.script: Put t4_2a in VER2.
7809         * testsuite/ver_test_4.cc (t4_2a): Define.
7810         * testsuite/ver_test_4.script: Put t4_2a in VER2.
7811         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
7813 2008-07-17  Ian Lance Taylor  <iant@google.com>
7815         * dynobj.cc (Versions::add_def): If we give an error about a
7816         missing version, go ahead and create the version anyhow.
7818 2008-07-10  Ian Lance Taylor  <iant@google.com>
7820         Handle output sections with more than 0x7fffffff bytes.
7821         * object.h (class Relobj): Change map_to_output_ to
7822         output_sections_, and just keep a section pointer.  Change all
7823         uses.  Move comdat group support to Sized_relobj.
7824         (Relobj::is_section_specially_mapped): Remove.
7825         (Relobj::output_section): Remove poff parameter.  Change all
7826         callers.
7827         (Relobj::output_section_offset): New function.
7828         (Relobj::set_section_offset): Rewrite.
7829         (Relobj::map_to_output): Remove.
7830         (Relobj::output_sections): New function.
7831         (Relobj::do_output_section_offset): New pure virtual function.
7832         (Relobj::do_set_section_offset): Likewise.
7833         (class Sized_relobj): Add section_offsets_ field.  Add comdat
7834         group support from Relobj.  Update declarations.
7835         (Sized_relobj::get_output_section_offset): New function.
7836         (Sized_relobj::do_output_section_offset): New function.
7837         (Sized_relobj::do_set_section_offset): New function.
7838         * object.cc (Relobj::output_section_address): Remove.
7839         (Sized_relobj::Sized_relobj): Initialize new fields.
7840         (Sized_relobj::include_section_group): Cast find_kept_object to
7841         Sized_relobj.
7842         (Sized_relobj::include_linkonce_section): Likewise.
7843         (Sized_relobj::do_layout): Use separate arrays for output section
7844         and output offset.
7845         (Sized_relobj::do_count_local_symbols): Change map_to_output to
7846         output_sections.
7847         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
7848         output_sections and section_offsets.
7849         (Sized_relobj::write_local_symbols): Likewise.
7850         (map_to_kept_section): Compute output address directly.
7851         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
7852         output_sections and section_offsets.
7853         (Sized_relobj::write_sections): Likewise.
7854         (Sized_relobj::relocate_sections): Likewise.
7855         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
7856         * output.h (class Output_reloc): Update declarations.  Change
7857         u2_.relobj to Sized_relobj*.
7858         (class Output_data_reloc): Change add functions to use
7859         Sized_relobj*.
7860         * output.cc (Output_reloc::Output_reloc): Change relobj to
7861         Sized_relobj*.
7862         (Output_reloc::local_section_offset): Change return type to
7863         Elf_Addr.  Use get_output_section_offset.
7864         (Output_reloc::get_address): Likewise.
7865         (Output_section::is_input_address_mapped): Don't call
7866         is_section_specially_mapped.
7867         (Output_section::output_offset): Likewise.
7868         (Output_section::output_address): Likewise.
7869         (Output_section::starting_output_address): Likewise.
7870         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
7871         parameter to Sized_relobj*.
7872         (Copy_relocs::need_copy_reloc): Likewise.
7873         (Copy_relocs::save): Likewise.
7874         * copy-relocs.h (class Copy_relocs): Update declarations.
7875         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
7876         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
7877         * target-reloc.h (relocate_for_relocatable): Change
7878         offset_in_output_section type to Elf_Addr.  Change code that uses
7879         it as well.
7880         * layout.cc (Layout::layout): Always set *off.
7881         * mapfile.cc (Mapfile::print_input_section): Use
7882         output_section_offset.
7883         * i386.cc (Target_i386::copy_reloc): Change object parameter to
7884         Sized_relobj*.
7885         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
7886         * sparc.cc (Target_sparc::copy_reloc): Likewise.
7887         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
7889 2008-07-03  Ian Lance Taylor  <iant@google.com>
7891         * layout.cc (Layout::include_section): Do not discard unrecognized
7892         SHT_STRTAB sections.
7894 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
7896         * script.cc (Lex::can_continue_name): Make '?' allowable in
7897         version-script names.
7898         * testsuite/version_script.map: Change glob pattern to use '?'
7900 2008-06-30  Manish Singh  <yosh@gimp.org>
7902         PR 6585
7903         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
7904         Correct typo.
7906 2008-06-30  Ian Lance Taylor  <iant@google.com>
7908         PR 6660
7909         PR 6682
7910         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
7911         versions]: Don't try to read the value in the contents, since we
7912         don't use it.  Use the template endianness when writing.
7914 2008-06-25  Cary Coutant  <ccoutant@google.com>
7916         * fileread.cc (File_read::make_view): Assert on zero-length view.
7917         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
7918         symbol table when there are no symbols to read.
7920 2008-06-23  Craig Silverstein  <csilvers@google.com>
7922         * version.cc (version_string): Bump to 1.7
7924 2008-06-18  Craig Silverstein  <csilvers@google.com>
7926         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
7927         constant 0xFFFF to type Valtype.
7928         (Powerpc_relocate_functions::rel16_ha): Likewise.
7930 2008-06-17  Ian Lance Taylor  <iant@google.com>
7932         * output.h (Output_section::Input_section): Initialize p2align_ to
7933         zero for Output_section_data constructors.
7934         (Output_section::Input_section::addralign): If not an input
7935         section, return the alignment of the Output_section_data.
7936         * testsuite/copy_test.cc: New file.
7937         * testsuite/copy_test_1.cc: New file.
7938         * testsuite/copy_test_2.cc: New file.
7939         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
7940         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
7941         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
7942         (copy_test_1_pic.o, copy_test_1.so): New targets.
7943         (copy_test_2_pic.o, copy_test_2.so): New targets.
7944         * testsuite/Makefile.in: Rebuild.
7946         * script-sections.cc (Script_sections::place_orphan): Initialize
7947         local variable exact.
7949 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
7951         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
7953 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
7954             David S. Miller  <davem@davemloft.net>
7956         * powerpc.cc: New file.
7957         * Makefile.am (TARGETSOURCES): Add powerpc.cc
7958         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
7959         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
7960         * Makefile.in: Rebuild.
7962 2008-06-09  Ian Lance Taylor  <iant@google.com>
7964         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
7965         <exception>.
7966         (throwing, orig_terminate): New static variables.
7967         (terminate_handler): New static function.
7968         (t2): Set terminate handler.
7970 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
7972         PR 6584
7973         * binary.cc (Binary_to_elf::sized_convert): Fix .data
7974         alignment.
7976 2008-05-30  Cary Coutant  <ccoutant@google.com>
7978         * archive.cc (Archive::include_all_members) Correct to step
7979         over symbol table and extended name table in thin archives.
7981 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
7983         PR 6407
7984         * target-reloc.h (relocate_for_relocatable): Fix new_offset
7985         calculation.
7987 2008-05-28  Caleb Howe  <cshowe@google.com>
7989         * reduced_debug_output.cc: New file.
7990         * reduced_debug_output.h: New file.
7991         * options.h (class General_options): Add --strip-debug-non-line.
7992         * options.cc (General_options::finalize): Add strip_debug_non_line
7993         to the strip heirarchy.
7994         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
7995         fields.
7996         * layout.cc: Include "reduced_debug_output.h".
7997         (Layout::Layout): Initialize new fields.
7998         (line_only_debug_sections): New static array.
7999         (is_lines_only_debug_sections): New static inline function.
8000         (Layout::include_section): Handle --strip-debug-non-line.
8001         (Layout::make_output_section): If --strip-debug-non-line, build
8002         new output sections for .debug_abbrev and .debug_info.
8003         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8004         gold.  Warn about possible overflow.
8005         (read_signed_LEB_128): Likewise.
8006         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8007         (read_signed_LEB_128): Declare.
8008         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8009         (HFILES): Add reduced_debug_output.h.
8010         * Makefile.in: Rebuild.
8012 2008-05-21  Ian Lance Taylor  <iant@google.com>
8014         * mapfile.cc: New file.
8015         * mapfile.h: New file.
8016         * options.h (class General_options): Add -M/--print-map and -Map.
8017         * options.cc (General_options::finalize): Make -M equivalent to
8018         -Map -.
8019         * main.cc: Include <cstdio> and "mapfile.h".
8020         (main): Open mapfile if requested.
8021         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8022         constructor.  Change caller.
8023         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8024         (queue_middle_tasks): Likewise.
8025         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8026         declarations.
8027         * archive.cc: Include "mapfile.h".
8028         (Archive::add_symbols): Add mapfile parameter.  Change all
8029         callers.  Pass mapfile, symbol, and reason to include_member.
8030         (Archive::include_all_members): Add mapfile parameter.  Change all
8031         callers.
8032         (Archive::include_member): Add mapfile, sym, and why parameters.
8033         Change all callers.  Report inclusion to map file.
8034         * archive.h: Include "fileread.h".
8035         (class Archive): Update declarations.
8036         (Archive::file): New const method.
8037         (class Add_archive_symbols): Add mapfile_ field.  Update
8038         constructor.  Change all callers.
8039         * readsyms.h (class Read_symbols): Likewise.
8040         (class Finish_group): Likewise.
8041         (class Read_script): Likewise.
8042         * common.cc: Include "mapfile.h".
8043         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
8044         all callers.
8045         (Symbol_table::do_allocate_commons): Likewise.
8046         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
8047         symbol allocation to mapfile.
8048         * common.h (class Allocate_commons_task): Add mapfile_ field.
8049         Update constructor.  Change all callers.
8050         * symtab.h (class Symbol_table): Update declarations.
8051         * layout.cc: Include "mapfile.h".
8052         (Layout_task_runner::run): Print information to mapfile.
8053         (Layout::create_gold_note): Change Output_data_fixed_space to
8054         Output_data_zero_fill.
8055         (Layout::create_build_id): Likewise.
8056         (Layout::print_to_mapfile): New function.
8057         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
8058         constructor.  Change caller.
8059         (class Layout): Declare print_to_mapfile.
8060         * output.cc (Output_section::Input_section::print_to_mapfile): New
8061         function.
8062         (Output_section::add_input_section): If producing a map, always
8063         add to input_sections_ list.
8064         (Output_section::do_print_to_mapfile): New function.
8065         (Output_segment::print_sections_to_mapfile): New function.
8066         (Output_segment::print_section_list_to_mapfile): New function.
8067         * output.h: Include "mapfile.h".
8068         (Output_data::print_to_mapfile): New function.
8069         (Output_data::do_print_to_mapfile): New virtual function.
8070         (Output_segment_headers::do_print_to_mapfile): New function.
8071         (Output_file_header::do_print_to_mapfile): New function.
8072         (Output_data_const::do_print_to_mapfile): New function.
8073         (class Output_data_const_buffer): Add map_name_ field.  Update
8074         constructor.  Change all callers.  Add do_print_to_mapfile
8075         function.
8076         (class Output_data_fixed_space): Likewise.
8077         (class Output_data_space): Likewise.
8078         (class Output_data_zero_fill): New class.
8079         (Output_data_strtab::do_print_to_mapfile): New function.
8080         (Output_data_reloc_base::do_print_to_mapfile): New function.
8081         (Output_relocatable_relocs::do_print_to_mapfile): New function.
8082         (Output_data_group::do_print_to_mapfile): New function.
8083         (Output_data_got::do_print_to_mapfile): New function.
8084         (Output_data_dynamic::do_print_to_mapfile): New function.
8085         (Output_symtab_xindex::do_print_to_mapfile): New function.
8086         (class Output_section): Declare do_print_to_mapflie.  Declare
8087         print_to_mapfile in Input_section.
8088         (class Output_segment): Declare new functions.
8089         * object.h (Sized_relobj::symbol_count): New function.
8090         * script-sections.cc
8091         (Output_section_element_dot_assignment::set_section_addresses):
8092         Change Output_data_fixed_space to Output_data_zero_fill.
8093         (Output_data_expression::do_print_to_mapfile): New function.
8094         * script.cc (read_input_script): Add mapfile parameter.  Change
8095         all callers.
8096         * script.h (read_input_script): Update declaration.
8097         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
8098         (Eh_frame::do_print_to_mapfile): New function.
8099         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
8100         (Output_merge_string::do_print_to_mapfile): New function.
8101         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
8102         function.
8103         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
8104         function.
8105         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
8106         function.
8107         * Makefile.am (CCFILES): Add mapfile.cc.
8108         (HFILES): Add mapfile.h.
8109         * Makefile.in: Rebuild.
8111 2008-05-19  Ian Lance Taylor  <iant@google.com>
8113         * options.h (class General_options): Add -z relro.
8114         * layout.cc (Layout::Layout): Initialize relro_segment_.
8115         (Layout::add_output_section_data): Return the output section.
8116         (Layout::make_output_section): Rcognize relro sections and mark
8117         them appropriately.
8118         (Layout::attach_allocated_section_to_segment): Put relro sections
8119         in a PT_GNU_RELRO segment.
8120         (Layout::create_initial_dynamic_sections): Mark the .dynamic
8121         section as relro.
8122         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
8123         PT_TLS segments.
8124         (Layout::linkonce_mapping): Map d.rel.ro.local to
8125         .data.rel.ro.local.
8126         (Layout::output_section_name): Us .data.rel.ro.local for any
8127         section which begins with that.
8128         * layout.h (class Layout): Update add_output_section_data
8129         declaration.  Add relro_segment_ field.
8130         * output.cc (Output_section::Output_section): Initialize is_relro_
8131         and is_relro_local_ fields.
8132         (Output_segment::add_output_section): Group relro sections.
8133         (Output_segment::is_first_section_relro): New function.
8134         (Output_segment::maximum_alignment): If there is a relro section,
8135         align the segment to the common page size.
8136         (Output_segment::set_section_addresses): Track whether we are
8137         looking at relro sections.  If the last section is a relro
8138         section, align to the common page size.
8139         (Output_segment::set_section_list_addresses): Add in_relro
8140         parameter.  Change all callers.  Align to the page size when
8141         moving from relro to non-relro section.
8142         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
8143         segment.
8144         * output.h (class Output_section): Add is_relro_ and
8145         is_relro_local_ fields.
8146         (Output_section::is_relro): New function.
8147         (Output_section::set_is_relro): New function.
8148         (Output_section::is_relro_local): New function.
8149         (Output_section::set_is_relro_local): New function.
8150         (class Output_segment): Update declarations.
8151         * i386.cc (Target_i386::got_section): Mark .got section as relro.
8152         * sparc.cc (Target_sparc::got_section): Likewise.
8153         * x86_64.cc (Target_x86_64::got_section): Likewise.
8154         * testsuite/relro_test_main.cc: New file.
8155         * testsuite/relro_test.cc: New file.
8156         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
8157         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
8158         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
8159         (relro_test.so, relro_test_pic.o): New targets.
8160         * testsuite/Makefile.in: Rebuild.
8162 2008-05-16  Ian Lance Taylor  <iant@google.com>
8164         * output.cc (Output_segment::add_output_section): Remove front
8165         parameter.
8166         * output.h (class Output_segment): Remove
8167         add_initial_output_section and overloaded add_output_section.
8168         Update declaration of remaining add_output_section.
8169         * layout.cc (Layout::create_interp): Call add_output_section
8170         rather than add_initial_output_section.
8171         (Layout::finish_dynamic_section): Likewise.
8173         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
8174         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
8175         know the dynamic type.
8176         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
8177         field.  Initialize it in constructor.
8178         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
8179         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
8180         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
8181         reloc.
8183         * output.cc (Output_reloc::get_address): Change return type to
8184         Elf_Addr.
8185         * output.h (class Output_reloc): Update get_address declaration.
8186         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
8187         for section addresses.
8189 2008-05-09  Ian Lance Taylor  <iant@google.com>
8191         PR 6493
8192         * gold.cc (gold_nomem): Use return value of write.
8194 2008-05-08  Ian Lance Taylor  <iant@google.com>
8196         * symtab.c (Symbol::init_base_output_data): Add version
8197         parameter.  Change all callers.
8198         (Symbol::init_base_output_segment): Likewise.
8199         (Symbol::init_base_constant): Likewise.
8200         (Symbol::init_base_undefined): Likewise.
8201         (Sized_symbol::init_output_data): Likewise.
8202         (Sized_symbol::init_output_segment): Likewise.
8203         (Sized_symbol::init_constant): Likewise.
8204         (Sized_symbol::init_undefined): Likewise.
8205         (Symbol_table::do_define_in_output_data): If the new symbol has a
8206         version, mark it as the default.
8207         (Symbol_table::do_define_in_output_segment): Likewise.
8208         (Symbol_table::do_define_as_constant): Likewise.
8209         * symtab.h (class Symbol): Update declarations.
8210         (class Sized_symbol): Likewise.
8211         * resolve.cc (Symbol::override_version): New function.
8212         (Symbol::override_base): Call override_version.
8213         (Symbol::override_base_with_special): Likewise.
8214         * testsuite/ver_script_8.script: New file.
8215         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8216         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8217         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8218         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8220 2008-05-06  Ian Lance Taylor  <iant@google.com>
8222         PR 6049
8223         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8224         functions.
8225         (class General_options): Remove existing --undefined, and add
8226         --no-undefined instead.  Add new --undefined as synonym for -u.
8227         * archive.cc (Archive::add_symbols): Check whether symbol was
8228         named with -u.
8229         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8230         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8231         all uses.  Add IS_UNDEFINED.  Update declarations to split
8232         different versions of init_base.  Declare init_base_undefined.
8233         (Symbol::is_defined): Handle IS_UNDEFINED.
8234         (Symbol::is_undefined): Likewise.
8235         (Symbol::is_weak_undefined): Call is_undefined.
8236         (Symbol::is_absolute): Handle IS_CONSTANT.
8237         (class Sized_symbol): Update declarations to split different
8238         versions of init.  Declare init_undefined.
8239         (class Symbol_table): Declare new functions.
8240         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8241         Change all callers.
8242         (Symbol::init_base_output_data): Likewise.
8243         (Symbol::init_base_output_segment): Likewise.
8244         (Symbol::init_base_constant): Likewise.
8245         (Symbol::init_base_undefined): New function.
8246         (Sized_symbol::init_object): Rename from init.  Change all
8247         callers.
8248         (Sized_symbol::init_output_data): Likewise.
8249         (Sized_symbol::init_output_segment): Likewise.
8250         (Sized_symbol::init_constant): Likewise.
8251         (Sized_symbol::init_undefined): New function.
8252         (Symbol_table::add_undefined_symbols_from_command_line): New
8253         function.
8254         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8255         function.
8256         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8257         (Symbol::output_section): Likewise.
8258         (Symbol::set_output_section): Likewise.
8259         (Symbol_table::sized_finalize_symbol): Likewise.
8260         (Symbol_table::sized_write_globals): Likewise.
8261         * resolve.cc (Symbol_table::should_override): Likewise.
8262         (Symbol::override_base_with_special): Likewise.
8264         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8265         symbol, change it to have default visibility.
8266         * testsuite/protected_1.cc: New file.
8267         * testsuite/protected_2.cc: New file.
8268         * testsuite/protected_3.cc: New file.
8269         * testsuite/protected_main_1.cc: New file.
8270         * testsuite/protected_main_2.cc: New file.
8271         * testsuite/protected_main_3.cc: New file.
8272         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8273         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8274         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8275         (protected_1.so): New target.
8276         (protected_1_pic.o, protected_2_pic.o): New targets.
8277         (protected_3_pic.o): New target.
8278         (check_PROGRAMS): Add protected_2.
8279         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8280         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8281         * testsuite/Makefile.in: Rebuild.
8283         * options.h (DEFINE_var): Add set_user_set_##varname__.
8284         (DEFINE_bool_alias): New macro.
8285         (class General_options): Define -Bstatic using DEFINE_bool_alias
8286         rather than DEFINE_special.  Add --undefined as an alias for -z
8287         defs.
8288         * options.cc (General_options::parse_Bstatic): Remove.
8290         * options.h (class General_options): Add --fatal-warnings.
8291         * main.cc (main): Implement --fatal-warnings.
8292         * errors.h (Errors::warning_count): New function.
8294         * options.h (class General_options): Add -Bsymbolic-functions.
8295         * symtab.h (Symbol::is_preemptible): Check for
8296         -Bsymbolic-functions.
8298 2008-05-05  Ian Lance Taylor  <iant@google.com>
8300         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8301         as noVARNAME rather than no-VARNAME.
8302         (class General_options): Add option -z combreloc.
8303         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8304         get_address.
8305         (Output_reloc::sort_before) [SHT_REL]: New function.
8306         (Output_reloc::sort_before) [SHT_RELA]: New function.
8307         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8308         Sort_relocs_comparison.
8309         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8310         parameter.  Change all callers.
8311         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8312         sort_relocs parameter.  Change all callers.
8313         * output.cc (Output_reloc::get_address): New function, broken out
8314         of write_rel.
8315         (Output_reloc::write_rel): Call it.
8316         (Output_reloc::compare): New function.
8317         (Output_data_reloc_base::do_write): Optionally sort relocs.
8319         * configure.ac: If targ_extra_obj is set, link it in.
8320         * configure.tgt: Initialize all variables.
8321         (x86_64*): Set targ_extra_obj and targ_extra_size.
8322         * configure: Rebuild.
8324         * object.cc (Sized_relobj::include_section_group): Adjust section
8325         indexes read from group data.  Build vector to pass to
8326         layout_group.
8327         * layout.cc (Layout::layout_group): Add flags and shndxes
8328         parameters.  Remove contents parameter.  Change caller.  Update
8329         explicit instantiations.
8330         * layout.h (class Layout): Update layout_group declaration.
8331         * output.cc (Output_data_group::Output_data_group): Add flags and
8332         input_shndxes parameters.  Remove contents parameter.  Change
8333         caller.
8334         (Output_data_group::do_write): Change input_sections_ to
8335         input_shndxes_.
8336         * output.h (class Output_data_group): Update constructor
8337         declaration.  Rename input_sections_ to input_shndxes_.
8338         * testsuite/many_sections_test.cc: Add template.
8340 2008-04-30  Cary Coutant  <ccoutant@google.com>
8342         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8344         * layout.cc (Layout::include_section): Refactored check for debug
8345         info section.
8346         (Layout::add_comdat): Add new parameters.  Change type
8347         of signature parameter.  Add object and shndx to signatures table.
8348         (Layout::find_kept_object): New function.
8349         * layout.h: Include <cstring>.
8350         (Layout::is_debug_info_section): New function.
8351         (Layout::add_comdat): Add new parameters.
8352         (Layout::find_kept_object): New function.
8353         (Layout::Kept_section): New struct.
8354         (Layout::Signatures): Change type of map range.
8355         * object.cc (Relobj::output_section_address): New function.
8356         (Sized_relobj::include_section_group): Add new parameters.  Change
8357         calls to Layout::add_comdat.  Change to build table of kept comdat
8358         groups and table mapping discarded sections to kept sections.
8359         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8360         (Sized_relobj::do_layout): Change calls to include_section_group and
8361         include_linkonce_section.
8362         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8363         value to zero when section is discarded.
8364         (Sized_relobj::map_to_kept_section): New function.
8365         * object.h (Relobj::output_section_address): New function.
8366         (Relobj::Comdat_group): New type.
8367         (Relobj::find_comdat_group): New function.
8368         (Relobj::Comdat_group_table): New type.
8369         (Relobj::Kept_comdat_section): New type.
8370         (Relobj::Kept_comdat_section_table): New type.
8371         (Relobj::add_comdat_group): New function.
8372         (Relobj::set_kept_comdat_section): New function.
8373         (Relobj::get_kept_comdat_section): New function.
8374         (Relobj::comdat_groups_): New field.
8375         (Relobj::kept_comdat_sections_): New field.
8376         (Symbol_value::input_value): Update comment.
8377         (Sized_relobj::map_to_kept_section) New function.
8378         (Sized_relobj::include_linkonce_section): Add new parameter.
8379         * target-reloc.h (Comdat_behavior): New type.
8380         (get_comdat_behavior): New function.
8381         (relocate_section): Add code to map a discarded section to the
8382         corresponding kept section when applying a relocation.
8384 2008-04-30  Craig Silverstein  <csilvers@google.com>
8386         * dwarf_reader.cc (next_generation_count): New static var.
8387         (Addr2line_cache_entry): New struct.
8388         (addr2line_cache): New static var.
8389         (Dwarf_line_info::one_addr2line): Added caching.
8390         (Dwarf_line_info::clear_addr2line_cache): New function.
8391         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8392         cache-size parameter.
8393         (Dwarf_line_info::one_addr2line_cache): New function.
8394         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8395         new cache-size argument to one_addr2line(), and clear cache.
8397 2008-04-28  Cary Coutant  <ccoutant@google.com>
8399         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8400         R_386_PC8 relocations.
8402 2008-04-23  Ian Lance Taylor  <iant@google.com>
8404         * object.cc (Sized_relobj::include_section_group): Check for
8405         invalid section group.
8407         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8408         header size.
8410         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8411         than read for file header.
8412         * archive.cc (Archive::include_member): Likewise.
8414 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8416         * aclocal.m4: Regenerate.
8417         * configure: Regenerate.
8419 2008-04-19  Ian Lance Taylor  <iant@google.com>
8421         * version.cc (version_string): Bump to 1.6.
8423         * testsuite/Makefile.am (many_sections_r_test): New target.
8424         (many_sections_r_test_SOURCES): Remove.
8425         (many_sections_r_test_DEPENDENCIES): Remove.
8426         (many_sections_r_test_LDFLAGS): Remove.
8427         (many_sections_r_test_LDADD): Remove.
8429         * object.cc (Sized_relobj::do_add_symbols): Always pass
8430         local_symbol_count_ to add_from_relobj.
8432         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8433         every thousand variables.
8434         * testsuite/Makefile.in: Rebuild.
8436         * object.cc (Xindex::initialize_symtab_xindex): New function.
8437         (Xindex::read_symtab_xindex): New function.
8438         (Xindex::sym_xindex_to_shndx): New function.
8439         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8440         available.
8441         (Sized_relobj::do_initialize_xindex): New function.
8442         (Sized_relobj::do_read_symbols): Adjust section links.
8443         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8444         parameter.  Change all callers.
8445         (Sized_relobj::include_section_group): Adjust section links and
8446         symbol section indexes.
8447         (Sized_relobj::do_layout): Adjust section links.
8448         (Sized_relobj::do_count_local_symbols): Adjust section links and
8449         symbol section indexes.
8450         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8451         ordinary and special symbols.
8452         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8453         dynsym_xindex parameters.  Change all callers.  Adjust section
8454         links.  Use SHN_XINDEX when needed.
8455         (Sized_relobj::get_symbol_location_info): Adjust section links.
8456         Don't get fooled by special symbols.
8457         * object.h (class Xindex): Define.
8458         (class Object): Add xindex_ parameter.  Declare virtual functoin
8459         do_initialize_xindex.
8460         (Object::adjust_sym_shndx): New function.
8461         (Object::set_xindex): New protected function.
8462         (class Symbol_value): Add is_ordinary_shndx_ field.
8463         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8464         (Symbol_value::value): Assert ordinary section.
8465         (Symbol_value::initialize_input_to_output_map): Likewise.
8466         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8467         Change all callers.
8468         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8469         all callers.
8470         (class Sized_relobj): Update declarations.
8471         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8472         parameter.  Change all callers.
8473         (Sized_relobj::adjust_shndx): New function.
8474         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8475         field.
8476         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8477         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8478         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8479         (Sized_dynobj::read_dynsym_section): Adjust section links.
8480         (Sized_dynobj::read_dynamic): Likewise.
8481         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8482         section links.
8483         (Sized_dynobj::do_initialize_xindex): New function.
8484         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8485         do_initialize_xindex.
8486         (Sized_dynobj::adjust_shndx): New function.
8487         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8488         dynsym_xindex_ fields.
8489         (Layout::finalize): Add a call to set_section_indexes before
8490         creating the symtab sections.
8491         (Layout::set_section_indexes): Don't do anything if the section
8492         already has a section index.
8493         (Layout::create_symtab_sections): Add shnum parameter.  Change
8494         caller.  Create .symtab_shndx section if needed.
8495         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8496         caller.
8497         (Layout::allocated_output_section_count): New function.
8498         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8499         needed.
8500         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8501         fields.  Update declarations.
8502         (Layout::symtab_xindex): New function.
8503         (Layout::dynsym_xindex): New function.
8504         (class Write_symbols_task): Add layout_ field.
8505         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8506         Change caller.
8507         * output.cc (Output_section_headers::Output_section_headers): Add
8508         shstrtab_section parameter.  Change all callers.
8509         (Output_section_headers::do_sized_write): Store overflow values
8510         for section count and section string table section index in
8511         section header zero.
8512         (Output_file_header::do_sized_write): Check for overflow of
8513         section count and section string table section index.
8514         (Output_symtab_xindex::do_write): New function.
8515         (Output_symtab_xindex::endian_do_write): New function.
8516         * output.h (class Output_section_headers): Add shstrtab_section_.
8517         Update declarations.
8518         (class Output_symtab_xindex): Define.
8519         (Output_section::has_out_shndx): New function.
8520         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8521         field.
8522         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8523         Change all callers.
8524         (Sized_symbol::init): Likewise.
8525         (Symbol::output_section): Check for ordinary symbol.
8526         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8527         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8528         callers.
8529         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8530         Change all callers.  Simplify handling of symbols from sections
8531         not included in the link.
8532         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8533         distinction.
8534         (Weak_alias_sorter::operator()): Assert that symbols are
8535         ordinary.
8536         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8537         distinction.
8538         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8539         parameters.  Change all callers.
8540         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8541         symbol distinction.  Use SHN_XINDEX when needed.
8542         (Symbol_table::write_section_symbol): Add symtab_xindex
8543         parameter.  Change all callers.
8544         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8545         SHN_XINDEX when needed.
8546         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8547         declarations.
8548         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8549         (Symbol::is_defined): Check is_ordinary.
8550         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8551         (Symbol::is_absolute, Symbol::is_common): Likewise.
8552         (class Sized_symbol): Update declarations.
8553         (class Symbol_table): Update declarations.
8554         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8555         parameters.  Change all callers.
8556         (Sized_symbol::override): Likewise.
8557         (Symbol_table::override): Likewise.
8558         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8559         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8560         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8561         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8562         to be in an ordinary section.
8563         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8564         object and is_ordinary parameters.  Change all callers.
8565         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8566         Change all callers.  Don't add undefined or non-ordinary symbols
8567         to reloc_map_.
8568         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8569         Change all callers.
8570         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8571         declarations.
8572         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8573         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8574         (Sized_relobj::relocate_sections): Likewise.
8575         * target-reloc.h (scan_relocs): Adjust section symbol index.
8576         (scan_relocatable_relocs): Likewise.
8577         * i386.cc (Scan::local): Check for ordinary symbols.
8578         * sparc.cc (Scan::local): Likewise.
8579         * x86_64.cc (Scan::local): Likewise.
8580         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8581         to symbol_section_and_value.
8582         * testsuite/many_sections_test.cc: New file.
8583         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8584         (check_PROGRAMS): Add many_sections_test.
8585         (many_sections_test_SOURCES): Define.
8586         (many_sections_test_DEPENDENCIES): Define.
8587         (many_sections_test_LDFLAGS): Define.
8588         (BUILT_SOURCES): Add many_sections_define.h.
8589         (many_sections_define.h): New target.
8590         (BUILT_SOURCES): Add many_sections_check.h.
8591         (many_sections_check.h): New target.
8592         (check_PROGRAMS): Add many_sections_r_test.
8593         (many_sections_r_test_SOURCES): Define.
8594         (many_sections_r_test_DEPENDENCIES): Define.
8595         (many_sections_r_test_LDFLAGS): Define.
8596         (many_sections_r_test_LDADD): Define.
8597         (many_sections_r_test.o): New target.
8598         * testsuite/Makefile.in: Rebuild.
8600 2008-04-17  Cary Coutant  <ccoutant@google.com>
8602         * errors.cc (Errors::info): New function.
8603         (gold_info): New function.
8604         * errors.h (Errors::info): New function.
8605         * gold.h (gold_info): New function.
8606         * object.cc (Input_objects::add_object): Print trace output.
8607         * options.cc (options::parse_set): New function.
8608         (General_options::parse_wrap): Deleted.
8609         (General_options::General_options): Deleted initializer.
8610         * options.h (options::String_set): New typedef.
8611         (options::parse_set): New function.
8612         (DEFINE_set): New macro.
8613         (General_options::wrap): Changed to use DEFINE_set. Changed
8614         callers of any_wrap_symbols and is_wrap_symbol.
8615         (General_options::trace, General_options::trace_symbol):
8616         New options.
8617         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8618         (General_options::wrap_symbols_): Deleted.
8619         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8621 2008-04-17  David S. Miller  <davem@davemloft.net>
8623         * options.cc (General_options::parse_V): New function.
8624         * options.h: Add entries for -V and -Qy.
8626 2008-04-17  Ian Lance Taylor  <iant@google.com>
8628         * common.cc (Symbol_table::allocate_commons): Remove options
8629         parameter.  Change caller.
8630         (Symbol_table::do_allocate_commons): Remove options parameter.
8631         Change caller.  Just call do_allocate_commons_list twice.
8632         (Symbol_table::do_allocate_commons_list): New function, broken out
8633         of do_allocate_commons.
8634         * common.h (class Allocate_commons_task): Remove options_ field.
8635         Update constructor.
8636         * symtab.cc (Symbol_table::Symbol_table): Initialize
8637         tls_commons_.
8638         (Symbol_table::add_from_object): Put TLS common symbols on
8639         tls_commons_ list.
8640         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8641         which are IN_OUTPUT_DATA.
8642         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8643         allocate_commons and do_allocate_commons declarations.  Declare
8644         do_allocate_commons_list.
8645         * gold.cc (queue_middle_tasks): Update creation of
8646         Allocate_commons_task to not pass options.
8647         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8648         (TLS_TEST_C_FLAGS): New variable.
8649         (tls_test_c_pic.o): New target.
8650         (tls_test_shared.so): Link in tls_test_c_pic.o.
8651         (tls_test_c_pic_ie.o): New target.
8652         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8653         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8654         (tls_test_c.o): New target.
8655         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8656         (tls_pic_test_LDADD): Likewise.
8657         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8658         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8659         (tls_test_c_gnu2.o): New target.
8660         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8661         tls_test_c_gnu2.o.
8662         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8663         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8664         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8665         * testsuite/tls_test.cc: Include "config.h".
8666         (t_last): Call t11_last.
8667         * testsuite/tls_test.h (t11, t11_last): Declare.
8668         * testsuite/tls_test_c.c: New file.
8669         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8670         * configure.ac: Check for OpenMP support.
8671         * configure, config.in, Makefile.in: Rebuild.
8672         * testsuite/Makefile.in: Rebuild.
8674 2008-04-16  Cary Coutant  <ccoutant@google.com>
8676         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8677         (Target_i386::tls_base_symbol_defined_): New field.
8678         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8679         (Target_i386::Scan::global): Likewise.
8680         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8681         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8682         (Target_x86_64::tls_base_symbol_defined_): New field.
8683         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8684         (Target_x86_64::Scan::global): Likewise.
8686 2008-04-16  Cary Coutant  <ccoutant@google.com>
8688         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8689         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8690         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8691         building shared libraries.
8692         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8693         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8694         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8695         * testsuite/Makefile.in: Rebuild.
8696         * testsuite/weak_undef.h: New file.
8697         * testsuite/weak_undef_file1.cc: Add extra test cases.
8698         * testsuite/weak_undef_file2.cc: Likewise.
8699         * testsuite/weak_undef_test.cc: Likewise.
8701 2008-04-16  David S. Miller  <davem@davemloft.net>
8703         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8704         Add issued_non_pic_error_ field.  Declare check_non_pic.
8705         (Target_sparc::Scan::check_non_pic): New function.
8706         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8707         (Target_sparc::Scan::global): Likewise.
8709         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8710         * configure: Rebuild.
8712         * options.h (DEFINE_enable): New macro.
8713         (new_dtags): New enable option.
8714         (initfirst, interpose, loadfltr, nodefaultlib,
8715         nodelete, nodlopen, nodump): New -z options.
8716         * layout.cc (Layout:finish_dynamic_section): If new
8717         dtags enabled, emit DT_RUNPATH.  Also, emit a
8718         DT_FLAGS_1 containing any specified -z flags.
8720 2008-04-16  Ian Lance Taylor  <iant@google.com>
8722         * copy-relocs.cc: New file.
8723         * copy-relocs.h: New file.
8724         * reloc.cc: Remove Copy_relocs code.
8725         * reloc.h: Likewise.
8726         * reloc-types.h (struct Reloc_types) [both versions]: Add
8727         get_reloc_addend_noerror.
8728         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8729         variants of add_global which take an addend which must be zero.
8730         * i386.cc: Include "copy-relocs.h".
8731         (class Target_i386): Change type of copy_relocs_ to variable,
8732         update initializer.
8733         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8734         Change all callers.
8735         (Target_i386::do_finalize_sections): Change handling of
8736         copy_relocs_.
8737         * sparc.cc: Include "copy-relocs.h".
8738         (class Target_sparc): Change type of copy_relocs_ to variable,
8739         update initializer.
8740         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8741         Change all callers.
8742         (Target_sparc::do_finalize_sections): Change handling of
8743         copy_relocs_.
8744         * x86_64.cc: Include "copy-relocs.h".
8745         (class Target_x86_64): Change type of copy_relocs_ to variable,
8746         update initializer.
8747         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8748         class.  Change all callers.
8749         (Target_x86_64::do_finalize_sections): Change handling of
8750         copy_relocs_.
8751         * Makefile.am (CCFILES): Add copy-relocs.cc.
8752         (HFILES): Add copy-relocs.h.
8754         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
8756         * testsuite/script_test_4.sh: Permit leading zeroes.
8758 2008-04-15  Ian Lance Taylor  <iant@google.com>
8760         * script-sections.cc (Script_sections::create_segments): Use
8761         header_size_adjustment even when there is enough room for the
8762         headers.
8763         * testsuite/script_test_4.sh: New file.
8764         * testsuite/script_test_4.t: New file.
8765         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
8766         (check_DATA): Add script_test_4.stdout.
8767         (MOSTLYCLEANFILES): Likewise.
8768         (script_test_4): New target.
8769         (script_test_4.stdout): New target.
8770         * testsuite/Makefile.in: Rebuild.
8772         * sparc.cc: Add definitions for Output_data_plt_sparc class
8773         constants.
8775 2008-04-14  David S. Miller  <davem@davemloft.net>
8777         * sparc.cc: New file.
8778         * Makefile.am (TARGETSOURCES): Add sparc.cc
8779         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
8780         * configure.tgt: Document targ_extra_size and
8781         targ_extra_big_endian.  Add entries for sparc-* and
8782         sparc64-*.
8783         * configure.ac: Handle targ_extra_size and
8784         targ_extra_big_endian.
8785         * Makefile.in: Rebuild.
8786         * configure: Likewise.
8787         * po/POTFILES.in: Likewise.
8788         * po/gold.pot: Likewise.
8790 2008-04-14  Ian Lance Taylor  <iant@google.com>
8792         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
8793         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
8794         in the name/type/flags to section mapping.  Don't call
8795         allocate_output_section.
8796         (Layout::choose_output_section): Change parameter from adjust_name
8797         to is_input_section.  Don't permit input sections after sections
8798         are attached to segments.  Don't call allocate_output_section.
8799         (Layout::layout_eh_frame): Call update_flags_for_input_section,
8800         not write_enable_output_section.
8801         (Layout::make_output_section): Don't push to
8802         unattached_section_list_ nor call attach_to_segment.  Call
8803         attach_section_to_segment if sections are attached.
8804         (Layout::attach_sections_to_segments): New function.
8805         (Layout::attach_section_to_segment): New function.
8806         (Layout::attach_allocated_section_to_segment): Rename from
8807         attach_to_segment.  Remove flags parameter.
8808         (Layout::allocate_output_section): Remove function.
8809         (Layout::write_enable_output_section): Remove function.
8810         * layout.h (class Layout): Update for above changes.  Add new
8811         field sections_are_attached_.
8812         * output.h (Output_section::update_flags_for_input_section): New
8813         function.
8814         * output.cc (Output_section::add_input_section): Call
8815         update_flags_for_input_section.
8816         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
8818 2008-04-11  Cary Coutant  <ccoutant@google.com>
8820         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
8821         thought unnecessary.
8822         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
8824 2008-04-11  Ian Lance Taylor  <iant@google.com>
8826         * output.h (class Output_section_data): Remove inline definition
8827         of set_addralign.
8828         * output.cc (Output_section_data::set_addralign): New function.
8830 2008-04-11  Cary Coutant  <ccoutant@google.com>
8832         Add support for TLS descriptors for i386 and x86_64.
8833         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
8834         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
8835         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
8836         GOT_TYPE_TLS_DESC.
8837         (Target_i386::got_mod_index_entry): Remove unnecessary code.
8838         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
8839         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
8840         relocations.
8841         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
8842         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
8843         Fix problem with initial-exec relocations.
8844         (Target_i386::Relocate::relocate_tls): Likewise.
8845         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
8846         relaxation.
8847         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
8848         support for section-plus-offset dynamic table entries.
8849         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
8850         (Output_data_dynamic::Dynamic_entry): Add support for
8851         section-plus-offset dynamic table entries.
8852         (Output_data_dynamic::Classification): Likewise.
8853         (Output_data_dynamic::classification_): Renamed offset_.
8854         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
8855         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
8856         (Target_x86_64::make_plt_section): New function.
8857         (Target_x86_64::reserve_tlsdesc_entries): New function.
8858         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
8859         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
8860         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
8861         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
8862         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
8863         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
8864         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
8865         add extra PLT entry for TLS descriptors.
8866         (Output_data_plt_x86_64::got_): New field.
8867         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
8868         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
8869         fields.
8870         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
8871         descriptors.
8872         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
8873         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
8874         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
8875         R_386_TLS_DESC_CALL relocations.
8876         (Target_x86_64::Scan::global): Likewise.
8877         (Target_x86_64::do_finalize_sections): Add dynamic table entries
8878         for TLS descriptors.
8879         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
8880         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
8881         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
8882         GD-to-IE relaxation.
8883         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
8884         and TLS_DESCRIPTORS.
8885         * Makefile.in: Rebuild.
8886         * configure: Rebuild.
8887         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
8888         (tls_test_shared2.so): New target.
8889         (tls_shared_gd_to_ie_test_SOURCES): New variable.
8890         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
8891         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
8892         (tls_shared_gd_to_ie_test_LDADD): New variable.
8893         (tls_shared_gnu2_gd_to_ie_test): New target.
8894         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
8895         New targets.
8896         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
8897         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
8898         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
8899         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
8900         (tls_shared_gnu2_test): New target.
8901         (tls_test_gnu2_shared.so): New target.
8902         (tls_shared_gnu2_test_SOURCES): New variable.
8903         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
8904         (tls_shared_gnu2_test_LDFLAGS): New variable.
8905         (tls_shared_gnu2_test_LDADD): New variable.
8906         * testsuite/Makefile.in: Rebuild.
8907         * testsuite/Makefile.
8909 2008-04-11  Ian Lance Taylor  <iant@google.com>
8911         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
8912         justsyms.t.
8913         * testsuite/Makefile.in: Rebuild.
8915         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
8916         long.
8917         * testsuite/script_test_2.cc (main): Adjust test.
8919 2008-04-11  David S. Miller  <davem@davemloft.net>
8920             Ian Lance Taylor  <iant@google.com>
8922         * options.h (General_options): Add entries for '-Y' and
8923         '-relax'.
8924         * options.cc (General_options:finalize): If -Y was used, add those
8925         entries to the library path instead of the default "/lib" and
8926         "/usr/lib".
8928 2008-04-11  David S. Miller  <davem@davemloft.net>
8930         * testsuite/justsyms.t: Start at 0x100.
8931         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
8932         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
8933         long.
8934         * testsuite/script_test_2.cc: Adjust string and section length
8935         checks.
8937 2008-04-09  Ian Lance Taylor  <iant@google.com>
8939         PR gold/5996
8940         * script-sections.cc (Sections_element::allocate_to_segment): Add
8941         orphan parameter.
8942         (Output_section_definition::allocate_to_segment): Likewise.
8943         (Orphan_output_section::allocate_to_segment): Likewise.
8944         (Script_sections::attach_sections_using_phdrs_clause): Don't
8945         propagate non-PT_LOAD segments to orphan sections.
8946         * testsuite/Makefile.am (script_test_3.stdout): Generate using
8947         readelf rather than objdump.
8948         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
8949         .interp section and PT_INTERP segment are the same size.
8950         * testsuite/Makefile.in: Rebuild.
8952         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
8953         aliases for symbols defined in the same object.
8954         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
8955         (weak_alias_test_SOURCES): New variable.
8956         (weak_alias_test_DEPENDENCIES): New variable.
8957         (weak_alias_test_LDFLAGS): New variable.
8958         (weak_alias_test_LDADD): New variable.
8959         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
8960         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
8961         (weak_alias_test_3.o): New target.
8962         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
8963         * testsuite/weak_alias_test_main.cc: New file.
8964         * testsuite/weak_alias_test_1.cc: New file.
8965         * testsuite/weak_alias_test_2.cc: New file.
8966         * testsuite/weak_alias_test_3.cc: New file.
8968 2008-04-08  Ian Lance Taylor  <iant@google.com>
8970         * options.h (class General_options): Add --noinhibit-exec option.
8971         * main.cc (main): Check --noinhibit-exec.
8973         * options.h (class General_options): Define --wrap as a special
8974         option.  Add wrap_symbols_ field.
8975         (General_options::any_wrap_symbols): New function.
8976         (General_options::is_wrap_symbol): New function.
8977         * options.cc (General_options::parse_wrap): New function.
8978         (General_options::General_options): Initialize wrap_symbols_.
8979         * symtab.cc (Symbol_table::wrap_symbol): New function.
8980         (Symbol_table::add_from_object): Handle --wrap.
8981         * symtab.h (class Symbol_table): Declare wrap_symbol.
8982         * target.h (Target::wrap_char): New function.
8983         (Target::Target_info): Add wrap_char field.
8984         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
8985         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8986         * testsuite/testfile.cc (Target_test::test_target_info):
8987         Likewise.
8989         * errors.cc (Errors::undefined_symbol): Mention symbol version if
8990         there is one.
8992         * layout.h (class Layout): Add added_eh_frame_data_ field.
8993         * layout.cc (Layout::Layout): Initialize new field.
8994         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
8995         output section until we find a section we merged successfully.
8996         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
8997         that the size be non-zero.
8999         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9000         qualifier.
9002 2008-04-08  Craig Silverstein  <csilvers@google.com>
9004         * configure.ac: Export new conditional variable HAVE_ZLIB.
9005         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9006         on HAVE_ZLIB.
9007         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9008         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9010 2008-04-07  Ian Lance Taylor  <iant@google.com>
9012         * version.cc (version_string): Set to "1.5".
9014         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9015         Add issued_non_pic_error_ field.  Declare check_non_pic.
9016         (Target_x86_64::Scan::check_non_pic): New function.
9017         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9018         (Target_x86_64::Scan::global): Likewise.
9020         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9021         addend parameter.  Change caller.  Handle merge sections.
9022         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9023         Address to Addend.  Don't add in the result of
9024         local_section_offset, pass down the addend and use the returned
9025         value.
9026         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9027         Update declarations of local_section_offset and symbol_value.
9028         * testsuite/two_file_test_1.cc (t18): New function.
9029         * testsuite/two_file_test_2.cc (f18): New function.
9030         * testsuite/two_file_test_main.cc (main): Call t18.
9031         * testsuite/two_file_test.h (t18, f18): Declare.
9033         * configure.ac: Don't test for objdump, c++filt, or readelf.
9034         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
9035         conditionals.
9036         (TEST_READELF): New variable.
9037         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
9038         (check_PROGRAMS): Add two_file_strip_test.
9039         (two_file_strip_test): New target.
9040         (check_PROGRAMS): Add two_file_same_shared_strip_test.
9041         (two_file_same_shared_strip_test_SOURCES): New variable.
9042         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
9043         (two_file_same_shared_strip_test_LDFLAGS): New variable.
9044         (two_file_same_shared_strip_test_LDADD): New variable.
9045         (two_file_shared_strip.so): New target.
9046         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
9047         (ver_test_5.syms, ver_test_7.syms): Likewise.
9048         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
9049         (strip_test_3.stdout): Use TEST_OBJDUMP.
9050         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9052 2008-04-04  Cary Coutant  <ccoutant@google.com>
9054         * symtab.h (Symbol::is_weak_undefined): New function.
9055         (Symbol::is_strong_undefined): New function.
9056         (Symbol::is_absolute): New function.
9057         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
9058         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
9059         absolute symbols.
9060         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
9061         (weak_undef_test): New target.
9062         * testsuite/Makefile.in: Rebuild.
9063         * testsuite/weak_undef_file1.cc: New file.
9064         * testsuite/weak_undef_file2.cc: New file.
9065         * testsuite/weak_undef_test.cc: New file.
9067 2008-04-03  Craig Silverstein  <csilvers@google.com>
9069         * compressed_output.h (class Output_compressed_section): Use
9070         unsigned buffer.
9071         * compressed_output.cc (zlib_compress): Use unsigned buffers,
9072         add zlib header.
9073         (zlib_compressed_suffix): Removed.
9074         (Output_compressed_section::set_final_data_size): Use unsigned
9075         buffers.
9076         * testsuite/Makefile.am (flagstest_compress_debug_sections):
9077         Fix linker invocation.
9078         (flagstest_o_specialfile_and_compress_debug_sections):
9079         Likewise.
9080         * testsuite/Makefile.in: Regenerated.
9082 2008-04-02  David S. Miller  <davem@davemloft.net>
9084         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
9085         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
9087 2008-04-02  Craig Silverstein  <csilvers@google.com>
9089         * TODO: New file.
9091 2008-04-02  Ian Lance Taylor  <iant@google.com>
9093         * fileread.cc (File_read::find_view): Add byteshift and vshifted
9094         parameters.  Update for new key type to views_.  Change all
9095         callers.
9096         (File_read::read): Adjust for byteshift in returned view.
9097         (File_read::add_view): New function, broken out of
9098         find_and_make_view.
9099         (File_read::make_view): New function, broken out of
9100         find_and_make_view.
9101         (File_read::find_or_make_view): Add offset and aligned
9102         parameters.  Rewrite accordingly.  Change all callers.
9103         (File_read::get_view): Add offset and aligned parameters.  Adjust
9104         for byteshift in return value.
9105         (File_read::get_lasting_view): Likewise.
9106         * fileread.h (class File_read): Update declarations.
9107         (class File_read::View): Add byteshift_ field.  Add byteshift to
9108         constructor.  Add byteshift method.
9109         * archive.h (Archive::clear_uncached_views): New function.
9110         (Archive::get_view): Add aligned parameter.  Change all callers.
9111         * object.h (Object::get_view): Add aligned parameter.  Change all
9112         callers.
9113         (Object::get_lasting_view): Likewise.
9115         * fileread.cc (File_read::release): Don't call clear_views if
9116         there are multiple objects.
9117         * fileread.h (File_read::clear_uncached_views): New function.
9118         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
9119         on the archive.
9121 2008-03-31  Cary Coutant  <ccoutant@google.com>
9123         Add thin archive support.
9124         * archive.cc (Archive::armagt): New const.
9125         (Archive::setup): Remove task parameter and calls to unlock.
9126         (Archive::unlock_nested_archives): New function.
9127         (Archive::read_header): Add nested_off parameter. Change
9128         all callers.
9129         (Archive::interpret_header): Likewise.
9130         (Archive::include_all_members): Change to handle thin
9131         archives.
9132         (Archive::include_member): Likewise.
9133         * archive.h (Archive::Archive): Add new parameters and
9134         initializers.
9135         (Archive::armagt): New const.
9136         (Archive::setup): Remove task parameter.
9137         (Archive::unlock_nested_archives): New function.
9138         (Archive::read_header): Add nested_off parameter.
9139         (Archive::interpret_header): Likewise.
9140         (Archive::Nested_archive_table): New typedef.
9141         (Archive::is_thin_archive_): New field.
9142         (Archive::nested_archives_): New field.
9143         (Archive::options_): New field.
9144         (Archive::dirpath_): New field.
9145         (Archive::task_): New field.
9146         * readsyms.cc (Read_symbols::do_read_symbols): Add check
9147         for thin archives.  Pass additional parameters to
9148         Archive::Archive.  Unlock the archive file after calling
9149         Archive::setup.
9151 2008-03-29  Ian Lance Taylor  <iant@google.com>
9153         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
9154         version symbol to be local.
9155         * testsuite/ver_test_4.sh: New file.
9156         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
9157         (check_DATA): Add ver_test_4.syms.
9158         (ver_test_4.syms): New target.
9159         * testsuite/Makefile.in: Rebuild.
9161         * output.cc
9162         (Output_section::Input_section_sort_entry::has_priority): New
9163         function.
9164         (Output_section::Input_section_sort_entry::match_file_name): New
9165         function.
9166         (Output_section::Input_section_sort_entry::match_section_name):
9167         Remove.
9168         (Output_section::Input_section_sort_entry::match_section_name_prefix):
9169         Remove.
9170         (Output_section::Input_section_sort_entry::match_section_file):
9171         Remove.
9172         (Output_section::Input_section_sort_compare::operator()): Rewrite
9173         using new Input_section_sort_entry functions.  Sort crtbegin and
9174         crtend first.  Sort sections with no priority before sections with
9175         a priority.
9176         * testsuite/initpri1.c (d3): Check j != 4.
9177         (cd5): New constructor/destructor function.
9178         (main): Check j != 2.
9180         * symtab.cc (Symbol_table::add_from_object): If we don't use the
9181         new symbol when resolving, don't call set_is_default.
9182         * testsuite/ver_test_7.cc: New file.
9183         * testsuite/ver_test_7.sh: New file.
9184         * testsuite/Makefile.am (ver_test_7.so): New target.
9185         (ver_test_7.o): New target.
9186         (check_SCRIPTS): Add ver_test_7.sh.
9187         (check_DATA): Add ver_test_7.syms.
9188         (ver_test_7.syms): New target.
9190 2008-03-28  Ian Lance Taylor  <iant@google.com>
9192         * layout.cc (Layout::layout): If we see an input section with a
9193         name that needs sorting, set the must_sort flag for the output
9194         section.
9195         (Layout::make_output_section): If the name of the output section
9196         indicates that it might require sorting, set the may_sort flag.
9197         * output.h (Output_section::may_sort_attached_input_sections): New
9198         function.
9199         (Output_section::set_may_sort_attached_input_sections): New
9200         function.
9201         (Output_section::must_sort_attached_input_sections): New
9202         function.
9203         (Output_section::set_must_sort_attached_input_sections): New
9204         function.
9205         (class Output_section): Declare Input_section_sort_entry.  Define
9206         Input_section_sort_compare.  Declare
9207         sort_attached_input_sections.  Add new fields:
9208         may_sort_attached_input_sections_,
9209         must_sort_attached_input_sections_,
9210         attached_input_sections_are_sorted_.
9211         * output.cc (Output_section::Output_section): Initialize new
9212         fields.
9213         (Output_section::add_input_section): Add an entry to
9214         input_sections_ if may_sort or must_sort are true.
9215         (Output_section::set_final_data_size): Call
9216         sort_attached_input_sections if necessary.
9217         (Output_section::Input_section_sort_entry): Define new class.
9218         (Output_section::Input_section_sort_compare::operator()): New
9219         function.
9220         (Output_section::sort_attached_input_sections): New function.
9221         * configure.ac: Check whether the compiler supports constructor
9222         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9223         * testsuite/initpri1.c: New file.
9224         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9225         CONSTRUCTOR_PRIORITY.
9226         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9227         (initpri1_LDFLAGS): New variable.
9228         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9230 2008-03-27  Ian Lance Taylor  <iant@google.com>
9232         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9233         * testsuite/common_test_1.c: New file.
9234         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9235         (common_test_1_SOURCES): New variable.
9236         (common_test_1_DEPENDENCIES): New variable.
9237         (common_test_1_LDFLAGS): New variable.
9239         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9240         and commons_ correctly when NAME/VERSION does not override
9241         NAME/NULL.
9242         * testsuite/ver_test_6.c: New file.
9243         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9244         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9245         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9247 2008-03-26  Ian Lance Taylor  <iant@google.com>
9249         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9250         of an undefined symbol from a version script.
9251         * testsuite/Makefile.am (ver_test_5.so): New target.
9252         (ver_test_5.o): New target.
9253         (check_SCRIPTS): Add ver_test_5.sh.
9254         (check_DATA): Add ver_test_5.syms.
9255         (ver_test_5.syms): New target.
9256         * testsuite/ver_test_5.cc: New file.
9257         * testsuite/ver_test_5.script: New file.
9258         * testsuite/ver_test_5.sh: New file.
9259         * Makefile.in, testsuite/Makefile.in: Rebuild.
9261         PR gold/5986
9262         Fix problems building gold with gcc 4.3.0.
9263         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9264         (gold_error_at_location, gold_warning_at_location): Use it.
9265         * configure.ac: Check whether we can compile and use a template
9266         function with a printf attribute.
9267         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9268         when jumping over bytes.
9269         * object.cc: Instantiate Object::read_section_data.
9270         * debug.h: Include <cstring>
9271         * dwarf_reader.cc: Include <algorithm>
9272         * main.cc: Include <cstring>.
9273         * options.cc: Include <cstring>.
9274         * output.cc: Include <cstring>.
9275         * script.cc: Include <cstring>.
9276         * script.h: Include <string>.
9277         * symtab.cc: Include <cstring> and <algorithm>.
9278         * target-select.cc: Include <cstring>.
9279         * version.cc: Include <string>.
9280         * testsuite/testmain.cc: Include <cstdlib>.
9281         * configure, config.in: Rebuild.
9283 2008-03-25  Ian Lance Taylor  <iant@google.com>
9285         * options.cc: Include "../bfd/bfdver.h".
9286         (options::help): Print bug reporting address.
9288         * version.cc (print_version): Adjust output for current value of
9289         BFD_VERSION_STRING.
9291         * NEWS: New file.
9293         * options.cc (options::help): Print list of supported targets.
9294         * target-select.h: Include <vector>.
9295         (class Target_selector): Make machine_, size_, and is_big_endian_
9296         fields const.  Add bfd_name_ and instantiated_target_ fields.
9297         (Target_selector::Target_selector): Add bfd_name parameter.
9298         (Target_selector::recognize): Make non-virtual, call
9299         do_recognize.
9300         (Target_selector::recognize_by_name): Make non-virtual, call
9301         do_recognize_by_name.
9302         (Target_selector::supported_names): New function.
9303         (Target_selector::bfd_name): New function.
9304         (Target_selector::do_instantiate_target): New pure virtual
9305         function.
9306         (Target_selector::do_recognize): New virtual function.
9307         (Target_selector::do_recognize_by_name): New virtual function.
9308         (Target_selector::instantiate_target): New private function.
9309         (supported_target_names): Declare.
9310         * target-select.cc (Target_selector::Target_selector): Update for
9311         new parameter and fields.
9312         (select_target_by_name): Check that the name matches before
9313         calling recognize_by_name.
9314         (supported_target_names): New function.
9315         * i386.cc (class Target_selector_i386): Update Target_selector
9316         constructor call.  Remove recognize and recognize_by_name.  Add
9317         do_instantiate_target.
9318         * x86_64.cc (class Target_selector_x86_64): Likewise.
9319         * testsuite/testfile.cc (class Target_selector_test): Update for
9320         changes to Target_selector.
9322         * README: Rewrite, with some notes on unsupported features.
9324 2008-03-24  Cary Coutant  <ccoutant@google.com>
9326         * i386.cc (Target_i386::Got_type): New enum declaration.
9327         (Target_i386::Scan::local): Updated callers of Output_data_got
9328         member functions.
9329         (Target_i386::Scan::global): Likewise.
9330         (Target_i386::Relocate::relocate): Likewise.
9331         (Target_i386::Relocate::relocate_tls): Likewise.
9332         * object.h (Got_offset_list): New class.
9333         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9334         (Sized_relobj::local_got_offset): Likewise.
9335         (Sized_relobj::set_local_got_offset): Likewise.
9336         (Sized_relobj::local_has_tls_got_offset): Removed.
9337         (Sized_relobj::local_tls_got_offset): Removed.
9338         (Sized_relobj::set_local_tls_got_offset): Removed.
9339         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9340         * output.cc (Output_data_got::add_global): Added got_type parameter.
9341         (Output_data_got::add_global_with_rel): Likewise.
9342         (Output_data_got::add_global_with_rela): Likewise.
9343         (Output_data_got::add_global_pair_with_rel): New function.
9344         (Output_data_got::add_global_pair_with_rela): New function.
9345         (Output_data_got::add_local): Added got_type parameter.
9346         (Output_data_got::add_local_with_rel): Likewise.
9347         (Output_data_got::add_local_with_rela): Likewise.
9348         (Output_data_got::add_local_pair_with_rel): New function.
9349         (Output_data_got::add_local_pair_with_rela): New function.
9350         (Output_data_got::add_global_tls): Removed.
9351         (Output_data_got::add_global_tls_with_rel): Removed.
9352         (Output_data_got::add_global_tls_with_rela): Removed.
9353         (Output_data_got::add_local_tls): Removed.
9354         (Output_data_got::add_local_tls_with_rel): Removed.
9355         (Output_data_got::add_local_tls_with_rela): Removed.
9356         * output.h (Output_data_got::add_global): Added got_type parameter.
9357         (Output_data_got::add_global_with_rel): Likewise.
9358         (Output_data_got::add_global_with_rela): Likewise.
9359         (Output_data_got::add_global_pair_with_rel): New function.
9360         (Output_data_got::add_global_pair_with_rela): New function.
9361         (Output_data_got::add_local): Added got_type parameter.
9362         (Output_data_got::add_local_with_rel): Likewise.
9363         (Output_data_got::add_local_with_rela): Likewise.
9364         (Output_data_got::add_local_pair_with_rel): New function.
9365         (Output_data_got::add_local_pair_with_rela): New function.
9366         (Output_data_got::add_global_tls): Removed.
9367         (Output_data_got::add_global_tls_with_rel): Removed.
9368         (Output_data_got::add_global_tls_with_rela): Removed.
9369         (Output_data_got::add_local_tls): Removed.
9370         (Output_data_got::add_local_tls_with_rel): Removed.
9371         (Output_data_got::add_local_tls_with_rela): Removed.
9372         * resolve.cc (Symbol::override_base_with_special): Removed
9373         reference to has_got_offset_ field.
9374         * symtab.cc (Symbol::init_fields): Replaced initialization
9375         of got_offset_ with got_offsets_.  Removed initialization
9376         of has_got_offset_
9377         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9378         (Symbol::got_offset): Likewise.
9379         (Symbol::set_got_offset): Likewise.
9380         (Symbol::has_tls_got_offset): Removed.
9381         (Symbol::tls_got_offset): Removed.
9382         (Symbol::set_tls_got_offset): Removed.
9383         (Symbol::got_offset_): Removed.
9384         (Symbol::tls_mod_got_offset_): Removed.
9385         (Symbol::tls_pair_got_offset_): Removed.
9386         (Symbol::got_offsets_): New field.
9387         (Symbol::has_got_offset): Removed.
9388         (Symbol::has_tls_mod_got_offset): Removed.
9389         (Symbol::has_tls_pair_got_offset): Removed.
9390         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9391         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9392         member functions.
9393         (Target_x86_64::Scan::global): Likewise.
9394         (Target_x86_64::Relocate::relocate): Likewise.
9395         (Target_x86_64::Relocate::relocate_tls): Likewise.
9397 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9399         * yyscript.y: Fix spelling error in comment.
9401 2008-03-24  Ian Lance Taylor  <iant@google.com>
9403         * options.h (class General_options): Define build_id option.
9404         * layout.h (class Layout): Declare write_build_id, create_note,
9405         create_build_id.  Add build_id_note_ member.
9406         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9407         "libiberty.h", "md5.h", "sha1.h".
9408         (Layout::Layout): Initialize eh_frame_data_,
9409         eh_frame_hdr_section_, and build_id_note_.
9410         (Layout::finalize): Call create_build_id.
9411         (Layout::create_note): New function, broken out of
9412         Layout::create_gold_note.
9413         (Layout::create_gold_note): Call create_note.
9414         (Layout::create_build_id): New function.
9415         (Layout::write_build_id): New function.
9416         (Close_task_runner::run): Call write_build_id.
9418         * x86_64.cc: Correct license to GPLv3.
9420 2008-03-23  Ian Lance Taylor  <iant@google.com>
9422         * options.cc: Include "demangle.h".
9423         (parse_optional_string): New function.
9424         (parse_long_option): Handle takes_optional_argument.
9425         (parse_short_option): Update dash_z initializer.  Handle
9426         takes_optional_argument.
9427         (General_options::General_options): Initialize do_demangle_.
9428         (General_options::finalize): Set do_demangle_.  Handle demangling
9429         style.
9430         * options.h (parse_optional_string): Declare.
9431         (struct One_option): Add optional_arg field.  Update constructor.
9432         Update call constructor calls.  Add takes_optional_argument
9433         function.
9434         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9435         (DEFINE_optional_string): Define.
9436         (General_options::demangle): Change from DEFINE_bool to
9437         DEFINE_optional_string.
9438         (General_options::no_demangle): New function.
9439         (General_options::do_demangle): New function.
9440         (General_options::set_do_demangle): New function.
9441         (General_options::execstack_status_): Move definition to end of
9442         class definition.
9443         (General_options::static_): Likewise.
9444         (General_options::do_demangle_): New field.
9445         * object.cc (big_endian>::get_symbol_location_info): Call
9446         Options::do_demangle, not Options::demangle.
9447         * symtab.cc (demangle): Likewise.
9449 2008-03-22  Ian Lance Taylor  <iant@google.com>
9451         * gold.h: Include <cstddef> and <sys/types.h>
9452         * options.h: Include <cstring>.
9454 2008-03-21  Ian Lance Taylor  <iant@google.com>
9456         * Added source code to GNU binutils.