Don't add the trailing `\n' for LDPL_ERROR.
[binutils.git] / gold / ChangeLog
blob43eb9de1088f77012999d298c40bf68eff015776
1 2010-12-01  Ian Lance Taylor  <iant@google.com>
3         * dwarf_reader.h (class Sized_dwarf_line_info): Add
4         track_relocs_type_ field.
5         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6         Set track_relocs_type_.
7         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
8         contents when using RELA relocs.
9         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
10         reloc_map_.
11         * reloc.cc (Track_relocs::next_addend): New function.
12         * reloc.h (class Track_relocs): Declare next_addend.
14 2010-12-01  Ian Lance Taylor  <iant@google.com>
16         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
17         virtual destructor.
19 2010-12-01  Ian Lance Taylor  <iant@google.com>
21         * README: Update compilers known to work and fail.
23 2010-11-23  Matthias Klose  <doko@ubuntu.com>
25         * configure.in: For --enable-gold, handle value `default' instead of
26         `both*'.  Always install ld as ld.bfd, install as ld if gold is
27         not the default.
28         * configure: Regenerate.
30 2010-11-18  Doug Kwan  <dougkwan@google.com>
32         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
33         and right_alignment to be zero.  Store result alignment only if it is
34         greater than existing alignment.
36 2010-11-16  Cary Coutant  <ccoutant@google.com>
38         PR gold/12220
39         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
40         Check for ".zdebug_line".
42 2010-11-16  Doug Kwan  <dougkwan@google.com>
43             Cary Coutant  <ccoutant@google.com>
45         * output.h (Output_segment::set_section_addresses): Pass increase_relro
46         by reference; adjust all callers.
47         * output.cc (Output_segment::set_section_addresses): Adjust references
48         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
49         list is empty.
50         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
51         end at page boundary.
53 2010-11-16  Cary Coutant  <ccoutant@google.com>
55         PR gold/12220
56         * layout.cc (Layout::choose_output_section): Transform names of
57         compressed sections even when using a script with a SECTIONS clause.
58         (Layout::output_section_name): Remove code to transform
59         compressed debug section names.
60         * output.cc (Output_section::add_input_section): Use uncompressed
61         section size when tracking input sections.
63 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
65         * symtab.h (Symbol::NON_PIC_REF): Remove.
66         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
67         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
68         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
69         (Symbol::use_plt_offset): Take a flags argument and pass it
70         directly to needs_dynamic_reloc.  Restrict check for undefined
71         weak symbols to function calls.
72         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
73         (Target_arm::Scan::global): Use it.
74         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
75         (Target_arm::Relocate::relocate): Likewise.
76         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
77         parameter with an r_type parameter.  Use get_reference_flags
78         to get the flags.
79         (Target_arm::Relocate::relocate): Update accordingly.
80         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
81         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
82         (Target_i386::Scan::global): Likewise.
83         (Target_i386::Relocate::relocate): Likewise.
84         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
85         parameter with an r_type parameter.  Use get_reference_flags
86         to get the flags.
87         (Target_i386::Relocate::relocate): Update accordingly.
88         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
89         (Target_powerpc::Scan::global): Use it.
90         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
91         (Target_powerpc::Relocate::relocate): Likewise.
92         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
93         (Target_sparc::Scan::global): Use it.
94         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
95         (Target_sparc::Relocate::relocate): Likewise.
96         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
97         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
98         (Target_x86_64::Scan::global): Likewise.
99         (Target_x86_64::Relocate::relocate): Likewise.
101 2010-11-08  Doug Kwan  <dougkwan@google.com>
102             Cary Coutant  <ccoutant@google.com>
104         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
105         (Arm_exidx_merge_section::section_contents_): New data member.
106         (Arm_input_section::Arm_input_section): Initialize original_contents_.
107         (Arm_input_section::~Arm_input_section): De-allocate memory.
108         (Arm_input_section::original_contents_): New data member.       
109         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
110         in parameters instead of calling Object::section_contents without
111         locking.
112         (Arm_output_section::group_section): New parameter TASK.  Pass it
113         to callees that need locking objects.
114         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
115         to lock EXIDX input sections.  Fix a formatting issue.  Call
116         Arm_exidx_merged_section::build_contents to create merged section
117         contents.
118         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
119         to lock object of stub table owner.
120         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
121         TEXT_SIZE to initialize data member TEXT_SIZE_.
122         (Arm_exidx_input_section::addralign): Fix typo in comment.
123         (Arm_exidx_input_section::text_size): New method.
124         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
125         that require locking objects.  Lock objects before scanning for stubs
126         and updating local symbols.
127         (Arm_input_section<big_endian>::init): Copy contents of original
128         input section.
129         (Arm_input_section<big_endian>::do_write): Use saved contents of
130         original input section instead of calling Object::section_contents
131         without locking.
132         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
133         size without calling Object::section_size().
134         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
135         for size.  Allocate a buffer for merged EXIDX entries.
136         (Arm_exidx_merged_section::build_contents): New method.
137         (Arm_exidx_merged_section::do_write): Move merge section contents
138         building code to Arm_exidx_merged_section::build_contetns.  Write
139         out contetns in buffer instead of building it on the fly.
140         (Arm_relobj::make_exidx_input_section): Also pass text section size
141         to Arm_exidx_input_section constructor.
142         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
143         (Arm_dynobj::do_read_symbols): Fix memory leak.
144         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
145         * target.h: (class Task): Add forward declaration.
146         (Target::relax): Add new parameter TASK and pass it to
147         Target::do_relax().
148         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
150 2010-11-05  Cary Coutant  <ccoutant@google.com>
152         PR gold/10708
153         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
154         object when reading from the file.
155         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
156         second layout pass.
157         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
158         when reading section contents.
159         (get_section_contents): Likewise.
160         (icf::find_identical_sections): Likewise.
161         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
162         object when reading from the file.
163         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
164         the object when doing deferred section layout.
166 2010-11-03  Nick Clifton  <nickc@redhat.com>
168         PR gold/12001
169         * script.h (class Symbol_assignment: name): New member.  Returns
170         the name of the symbol.
171         * scrfipt.cc (Script_options::is_pending_assignment): New member.
172         Returns true if the given symbol name is on the list of
173         assignments wating to be processed.
174         * archive.cc (should_incldue_member): If the symbol is undefined,
175         check to see if it is on the list of symbols pending assignment.
177 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
179         * script-sections.cc (Script_sections::find_memory_region): Check
180         for a NULL output section pointer.
182 2010-10-29  Doug Kwan  <dougkwan@google.com>
184         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
185         Output_section::add_relaxed_input_section.
186         * output.cc (Output_section::add_relaxed_input_section): Add new
187         arguments LAYOUT and NAME.  Set section order index.
188         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
189         Copy section order index.
190         * output.h (Output_section::add_relaxed_input_section): Add new
191         arguments LAYOUT and NAME.
193 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
195         * testsuite/Makefile.am: Move gcctestdir/ld rule to
196         NATIVE_OR_CROSS_LINKER.
197         * testsuite/Makefile.in: Regenerate.
199 2010-10-20  Doug Kwan  <dougkwan@google.com>
201         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
202         without SHF_LINK_ORDER flags.
203         * layout.cc (Layout::choose_output_section): Do not filter
204         SHF_LINK_ORDER flag in a relocatable link.
206 2010-10-17  Cary Coutant  <ccoutant@google.com>
208         * output.h (Output_segment::set_section_addresses): Change function
209         signature.  Update all callers.
210         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
211         sections.
212         (Output_segment::set_section_addresses): Align after last TLS
213         section.  Add padding before last relro section instead of after.
215 2010-10-17  Doug Kwan  <dougkwan@google.com>
217         * gold/arm.cc (Target_arm::got_section): Use correct order and set
218         GOT output section to be writable.
220 2010-10-14  Cary Coutant  <ccoutant@google.com>
222         * debug.h (DEBUG_INCREMENTAL): New flag.
223         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
224         * gold.cc (queue_initial_tasks): Check parameters for incremental link
225         mode.
226         * incremental.cc (report_command_line): Ignore all forms of
227         --incremental.
228         * layout.cc (Layout::Layout): Check parameters for incremental link
229         mode.
230         * options.cc (General_options::parse_incremental): New function.
231         (General_options::parse_no_incremental): New function.
232         (General_options::parse_incremental_full): New function.
233         (General_options::parse_incremental_update): New function.
234         (General_options::incremental_mode_): New data member.
235         (General_options::finalize): Check incremental_mode_.
236         * options.h (General_options): Update help text for --incremental.
237         Add --no-incremental, --incremental-full, --incremental-update.
238         (General_options::Incremental_mode): New enum type.
239         (General_options::incremental_mode): New function.
240         (General_options::incremental_mode_): New data member.
241         * parameters.cc (Parameters::incremental_mode_): New data member.
242         (Parameters::set_options): Set incremental_mode_.
243         (Parameters::set_incremental_full): New function.
244         (Parameters::incremental): New function.
245         (Parameters::incremental_update): New function.
246         (set_parameters_incremental_full): New function.
247         * parameters.h (Parameters::set_incremental_full): New function.
248         (Parameters::incremental): New function.
249         (Parameters::incremental_update): New function.
250         (Parameters::incremental_mode_): New data member.
251         (set_parameters_incremental_full): New function.
252         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
253         incremental link mode.
254         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
255         (Sized_relobj::do_relocate_sections): Likewise.
256         * testsuite/Makefile.am (incremental_test): Use --incremental-full
257         option.
258         * testsuite/Makefile.in: Regenerate.
259         * testsuite/incremental_test.sh: Filter all forms of --incremental.
261 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
263         * script-sections.h (class Script_sections): Make
264         Sections_elements typedef public.
265         * script-sections.cc (class Sort_output_sections): Add elements_
266         field.  Add constructor which sets it; change all callers.
267         (Sort_output_sections::is_before): New function.
268         (Sort_output_sections::operator()): Call is_before.
269         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
270         conditional.
271         * testsuite/script_test_10.sh: New test. Test script section
272         order.
273         * testsuite/script_test_10.t: Likewise.
274         * testsuite/script_test_10.s: Likewise.
275         * testsuite/Makefile.am: Wrap the cross linker tests and the
276         common tests into NATIVE_OR_CROSS_LINKER.
277         (check_SCRIPTS): Add script_test_10.sh.
278         (check_DATA): Add script_test_10.stdout.
279         (script_test_10.o, script_test_10): New targets.
280         (script_test_10.stdout): New target.
281         * configure, testsuite/Makefile.in: Regenerate.
283 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
285         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
286         error for the deprecated relocations.
287         (Target_arm::Scan::global): Likewise.
288         (Target_arm::Relocate::relocate): Likewise.
290 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
292         * fileread.cc (Input_file::find_file): Initialize *found_name
293         and *namep when using the fallback search for case 4.
295 2010-10-11  Cary Coutant  <ccoutant@google.com>
297         * options.h (class General_options): Redefine -z lazy as an alias for
298         the negation of -z now.
300 2010-10-11  Ian Lance Taylor  <iant@google.com>
302         * resolve.cc (symbol_to_bits): Report the value of the unsupported
303         binding.
305 2010-10-06  Nick Clifton  <nickc@redhat.com>
307         * script-sections.cc(class Memory_region): Remove
308         current_lma_offset_ field.  Rename current_vma_offset_ to
309         current_offset_.  Add last_section_ field.
310         (Memory_region::get_current_vma_address): Rename to
311         get_current_address.
312         (Memory_region::get_current_lma_address): Delete.
313         (Memory_region::increment_vma_offset): Rename to
314         increment_offset.
315         (Memory_region::increment_lma_offset): Delete.
316         (Memory_region::attributes_compatible): New method.  Returns
317         true if the provided section is compatible with the region.
318         (Memory_region::get_last_section): New method.  Returns the last
319         section to use the region.
320         (Memory_region::set_last_section): New method.  Stores the last
321         section to use the region.
322         (Script_sections::block_in_region): New method.  Returns true if
323         a block of memory is contained within a region.
324         (Script_sections::find_memory_region): New method.  Locates a
325         memory region to be used to set a VMA or LMA address.
326         (Output_section_definition::set_section_addresses): Add code to
327         check for addresses set by memory regions.
328         (Output_segment::set_section_addresses): Remove memory region
329         walking code.
330         (Script_sections::create_segment): Add a warning if a header
331         segment is created outside of any region.
332         * script-sections.h (class Script_sections): Add prototypes for
333         find_memory_region and block_in_region methods.
334         * testsuite/memory_test.s: Use .long instead of .word.
335         * testsuite/memory_test.t: Add some more output sections.
336         * testsuite/memory_test.sh: Update expected output.
338 2010-10-02  Doug Kwan  <dougkwan@google.com>
340         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
341         defintion to symtab.h
342         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
343         declaration to defintion.
345 2010-10-01  Nick Clifton  <nickc@redhat.com>
347         * expression.cc (eval): Replace dummy argument with NULL.
348         (eval_maybe_dot): Check for a NULL result section pointer.
349         (Symbol_expression::value): Likewise.
350         (Dot_expression::value): Likewise.
351         (BINARY_EXPRESSION): Likewise.
352         (Max_expression::value): Likewise.
353         (Min_expression::value): Likewise.
354         (Absolute_expression::value): Likewise.
355         (Addr_expression::value_from_output_section): Likewise.
356         (Loaddddr_expression::value_from_output_section): Likewise.
357         (Segment_start_expression::value): Likewise.
358         * script-sections.cc
359         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
360         argument with NULL.
361         (Sections_elememt_dot_assignment::set_section_addresses):
362         Likewise.
363         (Output_data_expression::do_write_to_buffer): Likewise.
364         (Output_section_definition::finalize_symbols): Likewise.
365         (Output_section_definition::set_section_addresses): Likewise.
367 2010-09-30  Doug Kwan  <dougkwan@google.com>
369         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
371 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
373         * target.h (Target::can_icf_inline_merge_sections): New virtual
374         function.
375         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
376         virtual function.
377         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
378         virtual function.
379         * icf.cc (get_section_contents): Inline merge sections only when
380         target allows it.
382 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
384         * configure: Regenerate.
386 2010-09-17  Ian Lance Taylor  <iant@google.com>
388         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
389         * testsuite/Makefile.am (memory_test.o): New target.
390         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
391         memory_test.t.
392         * testsuite/Makefile.in: Rebuild.
394 2010-09-17  Doug Kwan  <dougkwan@google.com>
396         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
397         defintion if relocation uses GOT entries of the symbol.
398         * testsuite/icf_safe_test.sh: Fix test.
399         * testsuite/icf_safe_so_test.sh: Fix test.
401 2010-09-16  Cary Coutant  <ccoutant@google.com>
403         * script_sections.cc (class Memory_region): Remove "NULL" from
404         vector initializations.
406 2010-09-15  Cary Coutant  <ccoutant@google.com>
408         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
409         Resolve forwarding symbols.
411 2010-09-15  Doug Kwan  <dougkwan@google.com>
413         * gold/testsuite/script_test_3.t: Add ARM special sections.
414         * gold/testsuite/script_test_4.t: Same.
415         * gold/testsuite/script_test_5.t: Same.
416         * gold/testsuite/script_test_6.t: Same.
417         * gold/testsuite/script_test_7.t: Same.
418         * gold/testsuite/script_test_7.t: Same.
419         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
421 2010-09-14  Cary Coutant  <ccoutant@google.com>
423         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
424         (Target_x86_64::Relocate::relocate_tls): Replace check for
425         saw_tls_block_reloc_ with test for executable section.
427 2010-09-12  Cary Coutant  <ccoutant@google.com>
429         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
430         position-independent executables to shared libraries need dynamic
431         relocations.
432         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
433         position-independent executables.
434         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
435         * testsuite/Makefile.in: Regenerate.
437 2010-09-10  Nick Clifton  <nickc@redhat.com>
439         PR gold/11997
440         * testsuite/memory_test.t: Discard any sections that are not
441         needed.
443 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
445         PR gold/11996
446         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
447         "This::" to work around a bug in gcc 4.2.
449         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
451 2010-09-09  Rafael Espindola  <espindola@google.com>
453         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
454         sections with different PF_X flags in the same segment.
455         (Layout::find_first_load_seg): Search all segments to find the first
456         one.
457         * options.h (rosegment): New.
459 2010-09-08  Rafael Espindola  <espindola@google.com>
461         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
463 2010-09-08  Doug Kwan  <dougkwan@google.com>
465         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
466         (Arm_relobj::do_relocate_sections): Add new parameter for output
467         file to match the parent.
468         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
469         of local symbols instead of input values.  Update code to track
470         changes in gold::relocate_section.
471         * object.cc (Sized_relobj::compute_final_local_value): New methods.
472         (Sized_relobj::compute_final_local_value_internal): New methods.
473         (Sized_relobj::do_finalize_local_symbols): Move code from loop
474         body into private version of Sized_relobj::compute_final_local_value.
475         Call the inline method.
476         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
477         merged symbol value if there is one.
478         (Symbol_value::has_output_value): New method defintiion.
479         (Sized_relobj::Compute_final_local_value_status): New enum type.
480         (Sized_relobj::compute_final_local_value): New methods.
481         (Sized_relobj::compute_final_local_value_internal): New methods.
482         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
483         and arm_cortex_a8.sh.
484         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
485         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
486         New tests.
487         * Makefile.in: Regenerate.
488         * testsuite/arm_bl_out_of_range.s: Update test.
489         * testsuite/thumb_bl_out_of_range.s: Ditto.
490         * testsuite/thumb_blx_out_of_range.s: Ditto.
491         * testsuite/arm_branch_out_of_range.sh: New file.
492         * testsuite/arm_cortex_a8.sh: Ditto.
493         * testsuite/arm_cortex_a8_b.s: Ditto.
494         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
495         * testsuite/arm_cortex_a8_b_local.s: Ditto.
496         * testsuite/arm_cortex_a8_bl.s: Ditto.
497         * testsuite/arm_cortex_a8_blx.s: Ditto.
498         * testsuite/arm_cortex_a8_local.s: Ditto.
499         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
500         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
502 2010-09-08  Rafael Espindola  <espindola@google.com>
504         * Makefile.am (memory_test.stdout): Run readelf with -W.
505         * Makefile.in: Regenerate.
506         * testsuite/memory_test.sh: Make the regexps accept both 32 and
507         64 bit output.
509 2010-09-08  Rafael Espindola  <espindola@google.com>
511         * script-sections.cc (Script_sections::add_memory_region): Convert
512         field precision to int.
513         * script.cc (script_set_section_region, script_set_section_region):
514         Convert field precision to int.
516 2010-09-08  Rafael Espindola  <espindola@google.com>
518         * arm.cc (do_finalize_sections): Create the __exidx_start and
519         __exdix_end symbols even when the section is missing.
521 2010-09-08  Nick Clifton  <nickc@redhat.com>
523         * README: Remove claim that MEMORY is not supported.
524         * expression.cc (script_exp_function_origin)
525         (script_exp_function_length): Move from here to ...
526         * script.cc: ... here.
527         (script_set_section_region, script_add_memory)
528         (script_parse_memory_attr, script_include_directive): New
529         functions.
530         * script-sections.cc
531         (class Memory_region): New class.
532         (class Output_section_definition): Add set_memory_region,
533         set_section_vma, set_section_lma and get_section_name methods.
534         (class Script_Sections): Add add_memory_region,
535         find_memory_region, find_memory_region_origin,
536         find_memory_region_length and set_memory_region methods.
537         Have set_section_addresses method walk the list of set memory
538         regions.
539         Extend the print methos to display memory regions.
540         * script-sections.h: Add prototypes for new methods.
541         Add enum for MEMORY region attributes.
542         * yyscript.y: Add support for parsing MEMORY regions.
543         * script-c.h: Add prototypes for new functions.
544         * testsuite/Makefile.am: Add test of MEMORY region functionality.
545         * testsuite/Makefile.in: Regenerate.
546         * testsuite/memory_test.sh: New script.
547         * testsuite/memory_test.s: New assembler source file.
548         * testsuite/memory_test.t: New linker script.
550 2010-08-27  Doug Kwan  <dougkwan@google.com>
552         * gold/resolve.cc (Symbol_table::should_override): Let a weak
553         reference override an existing dynamic weak reference.
554         * testsuite/Makefile.am: Add new test dyn_weak_ref.
555         * testsuite/Makefile.in: Regenerate.
556         * testsuite/dyn_weak_ref.sh: New file.
557         * testsuite/dyn_weak_ref_1.c: Ditto.
558         * testsuite/dyn_weak_ref_2.c: Ditto.
560 2010-08-27  Ian Lance Taylor  <iant@google.com>
562         * incremental.h (class Incremental_input_entry): Add virtual
563         destructor.
565 2010-08-27  Ian Lance Taylor  <iant@google.com>
567         * testsuite/start_lib_test_3.c: Mark t3 as used.
569 2010-08-27  Nick Clifton  <nickc@redhat.com>
571         * options.cc (version_script): Fix small typo in previous
572         whitespace tidyup.
574 2010-08-25  Nick Clifton  <nickc@redhat.com>
576         * archive.cc: Formatting fixes: Remove whitespace between
577         typename and following asterisk.  Remove whitespace between
578         function name and opening parenthesis.
579         * archive.h: Likewise.
580         * arm.cc: Likewise.
581         * attributes.cc: Likewise.
582         * attributes.h: Likewise.
583         * common.cc: Likewise.
584         * copy-relocs.cc: Likewise.
585         * dirsearch.h: Likewise.
586         * dynobj.cc: Likewise.
587         * ehframe.cc: Likewise.
588         * ehframe.h: Likewise.
589         * expression.cc: Likewise.
590         * fileread.cc: Likewise.
591         * fileread.h: Likewise.
592         * gc.h: Likewise.
593         * gold-threads.cc: Likewise.
594         * gold.cc: Likewise.
595         * i386.cc: Likewise.
596         * icf.h: Likewise.
597         * incremental-dump.cc: Likewise.
598         * incremental.cc: Likewise.
599         * layout.cc: Likewise.
600         * layout.h: Likewise.
601         * main.cc: Likewise.
602         * merge.cc: Likewise.
603         * merge.h: Likewise.
604         * object.cc: Likewise.
605         * object.h: Likewise.
606         * options.cc: Likewise.
607         * options.h: Likewise.
608         * output.cc: Likewise.
609         * output.h: Likewise.
610         * plugin.cc: Likewise.
611         * plugin.h: Likewise.
612         * powerpc.cc: Likewise.
613         * reloc.cc: Likewise.
614         * script-c.h: Likewise.
615         * script-sections.cc: Likewise.
616         * script.cc: Likewise.
617         * stringpool.cc: Likewise.
618         * symtab.cc: Likewise.
619         * symtab.h: Likewise.
620         * target.cc: Likewise.
621         * timer.cc: Likewise.
622         * timer.h: Likewise.
623         * version.cc: Likewise.
624         * x86_64.cc: Likewise.
626 2010-08-24  Nick Clifton  <nickc@redhat.com>
628         PR 11899
629         * layout.cc (segment_precedes): Sort segments by their physical
630         addresses, if they have been set.
632 2010-08-23  Cary Coutant  <ccoutant@google.com>
634         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
635         symbols data.
636         (Lib_group::include_member): Unlock object after deleting its
637         symbols data.
638         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
639         the bug fixed here.
641 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
642             Cary Coutant  <ccoutant@google.com>
644         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
645         constructor, and set_blocker.
646         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
647         readsyms_blocker_.
648         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
649         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
650         * testsuite/Makefile.am (start_lib_test): New test case.
651         * testsuite/Makefile.in: Regenerate.
652         * testsuite/start_lib_test_main.c: New file.
653         * testsuite/start_lib_test_1.c: New file.
654         * testsuite/start_lib_test_2.c: New file.
655         * testsuite/start_lib_test_3.c: New file.
657 2010-08-19  Ian Lance Taylor  <iant@google.com>
659         * Makefile.in: Rebuild with automake 1.11.1.
660         * aclocal.m4: Likewise.
661         * testsuite/Makefile.in: Likewise.
663 2010-08-19  Ian Lance Taylor  <iant@google.com>
665         PR 10893
666         * i386.cc (class Output_data_plt_i386): Update declarations.
667         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
668         local_ifuncs_ fields.
669         (Target_i386::do_plt_section_for_global): New function.
670         (Target_i386::do_plt_section_for_local): New function.
671         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
672         parameter; change all callers.  Initialize global_ifuncs_ and
673         local_ifuncs_.  If doing a static link define __rel_iplt_start and
674         __rel_iplt_end.
675         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
676         (Output_data_plt_i386::add_local_ifunc_entry): New function.
677         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
678         symbols.
679         (Target_i386::make_plt_section): New function, broken out of
680         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
681         (Target_i386::make_plt_entry): Call make_plt_section.
682         (Target_i386::make_local_ifunc_plt_entry): New function.
683         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
684         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
685         R_386_IRELATIVE to switch.
686         (Target_i386::Scan::global): Likewise.
687         (Target_i386::Relocate::relocate): Likewise.
688         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
689         switch.
690         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
691         (Target_x86_64::do_plt_section_for_global): New function.
692         (Target_x86_64::do_plt_section_for_local): New function.
693         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
694         parameter; change all callers.  If doing a static link define
695         __rela_iplt_start and __rela_iplt_end.
696         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
697         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
698         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
699         to point to .plt.
700         (Target_x86_64::make_local_ifunc_plt_entry): New function.
701         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
702         switch.
703         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
704         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
705         R_X86_64_IRELATIVE to switch.
706         (Target_x86_64::Scan::global): Likewise.
707         (Target_x86_64::Relocate::relocate): Likewise.
708         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
709         switch.
710         * target.h (class Target): Add plt_section_for_global and
711         plt_section_for_local functions.  Add do_plt_section_for_global
712         and do_plt_section_for_local virtual functions.
713         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
714         clarifying comments.
715         (Symbol::use_plt_offset): Handle IFUNC symbol.
716         * object.cc (Sized_relobj::Sized_relobj): Initialize
717         local_plt_offsets_.
718         (Sized_relobj::local_has_plt_offset): New function.
719         (Sized_relobj::local_plt_offset): New function.
720         (Sized_relobj::set_local_plt_offset): New function.
721         (Sized_relobj::do_count): Handle IFUNC symbol.
722         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
723         a bit away from input_shndx_ field.  Add set_is_func_symbol and
724         is_ifunc_symbol functions.
725         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
726         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
727         local_plt_offsets_ field.
728         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
729         * output.h (class Output_section_data): Add non-const
730         output_section function.
731         (class Output_data_got): Update declarations.
732         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
733         Add use_plt_offset parameter to global and local constructors.
734         Change all callers.  Change local_sym_index_ field to 31 bits.
735         Change GSYM_CODE and CONSTANT_CODE accordingly.
736         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
737         doing a static link don't set sh_link field.
738         (Output_data_got::Got_entry::write): Use PLT offset if
739         appropriate.
740         (Output_data_got::add_global_plt): New function.
741         (Output_data_got::add_local_plt): New function.
742         * target-reloc.h (relocate_section): Handle IFUNC symbol.
743         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
744         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
745         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
746         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
747         IFUNC conditional.
748         * testsuite/ifunc-sel.h: New file.
749         * testsuite/ifuncmain1.c: New file.
750         * testsuite/ifuncmain1vis.c: New file.
751         * testsuite/ifuncmod1.c: New file.
752         * testsuite/ifuncdep2.c: New file.
753         * testsuite/ifuncmain2.c: New file.
754         * testsuite/ifuncmain3.c: New file.
755         * testsuite/ifuncmod3.c: New file.
756         * testsuite/ifuncmain4.c: New file.
757         * testsuite/ifuncmain5.c: New file.
758         * testsuite/ifuncmod5.c: New file.
759         * testsuite/ifuncmain6pie.c: New file.
760         * testsuite/ifuncmod6.c: New file.
761         * testsuite/ifuncmain7.c: New file.
762         * configure, testsuite/Makefile.in: Rebuild.
764 2010-08-18  Ian Lance Taylor  <iant@google.com>
766         * incremental.cc
767         (Output_section_incremental_inputs::write_input_files): Add cast
768         to avoid signed/unsigned comparison warning.
769         (Output_section_incremental_inputs::write_info_blocks): Likewise.
771 2010-08-12  Cary Coutant  <ccoutant@google.com>
773         * common.cc (Sort_commons::operator()): Remove unnecessary code.
775 2010-08-13  Ian Lance Taylor  <iant@google.com>
777         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
779 2010-08-12  Cary Coutant  <ccoutant@google.com>
780             Doug Kwan  <dougkwan@google.com>
782         * resolve.cc (Symbol_table::should_override): When a weak dynamic
783         defintion overrides non-weak undef, remember that the original undef
784         is not weak.
785         * symtab.cc (Symbol_table::sized_write_global): For undef without
786         an original weak binding, set binding to global in output.
787         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
788         * testsuite/Makefile.in: Regenerate.
789         * testsuite/strong_ref_weak_def.sh: New file.
790         * testsuite/strong_ref_weak_def_1.c: Ditto.
791         * testsuite/strong_ref_weak_def_2.c: Ditto.
793 2010-08-12  Cary Coutant  <ccoutant@google.com>
795         * testsuite/incremental_test.sh: Rewrite.
796         * testsuite/incremental_test_1.c: Rewrite.
797         * testsuite/incremental_test_2.c: Rewrite.
799 2010-08-12  Cary Coutant  <ccoutant@google.com>
801         * arm.cc (Target_arm::got_size): Add const.
802         (Target_arm::got_entry_count): New function.
803         (Target_arm::plt_entry_count): New function.
804         (Target_arm::first_plt_entry_offset): New function.
805         (Target_arm::plt_entry_size): New function.
806         (Output_data_plt_arm::entry_count): New function.
807         (Output_data_plt_arm::first_plt_entry_offset): New function.
808         (Output_data_plt_arm::get_plt_entry_size): New function.
809         * i386.cc (Target_i386::got_size): Add const.
810         (Target_i386::got_entry_count): New function.
811         (Target_i386::plt_entry_count): New function.
812         (Target_i386::first_plt_entry_offset): New function.
813         (Target_i386::plt_entry_size): New function.
814         (Output_data_plt_i386::entry_count): New function.
815         (Output_data_plt_i386::first_plt_entry_offset): New function.
816         (Output_data_plt_i386::get_plt_entry_size): New function.
817         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
818         find_incremental_inputs_sections.  Dump incremental_got_plt section.
819         * incremental.cc: Include target.h.
820         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
821         parameter.  Adjust all callers.  Find incremental_got_plt section.
822         (Incremental_inputs::create_data_sections): Create incremental_got_plt
823         section.
824         (Output_section_incremental_inputs::set_final_data_size): Calculate
825         size of incremental_got_plt section.
826         (Output_section_incremental_inputs::do_write): Write the
827         incremental_got_plt section.
828         (Got_plt_view_info): New struct.
829         (Local_got_offset_visitor): New class.
830         (Global_got_offset_visitor): New class.
831         (Global_symbol_visitor_got_plt): New class.
832         (Output_section_incremental_inputs::write_got_plt): New function.
833         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
834         Add parameter.  Adjust all callers.
835         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
836         (Incremental_inputs::got_plt_section): New function.
837         (Incremental_inputs::got_plt_section_): New data member.
838         (Incremental_got_plt_reader): New class.
839         * layout.cc (Layout::create_incremental_info_sections): Add the
840         incremental_got_plt section.
841         * object.h (Got_offset_list::get_list): New function.
842         (Got offset_list::for_all_got_offsets): New function.
843         (Sized_relobj::local_got_offset_list): New function.
844         * powerpc.cc (Target_powerpc::got_size): Add const.
845         (Target_powerpc::got_entry_count): New function.
846         (Target_powerpc::plt_entry_count): New function.
847         (Target_powerpc::first_plt_entry_offset): New function.
848         (Target_powerpc::plt_entry_size): New function.
849         (Output_data_plt_powerpc::entry_count): New function.
850         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
851         (Output_data_plt_powerpc::get_plt_entry_size): New function.
852         * sparc.cc (Target_sparc::got_size): Add const.
853         (Target_sparc::got_entry_count): New function.
854         (Target_sparc::plt_entry_count): New function.
855         (Target_sparc::first_plt_entry_offset): New function.
856         (Target_sparc::plt_entry_size): New function.
857         (Output_data_plt_sparc::entry_count): New function.
858         (Output_data_plt_sparc::first_plt_entry_offset): New function.
859         (Output_data_plt_sparc::get_plt_entry_size): New function.
860         * symtab.h (Symbol::got_offset_list): New function.
861         (Symbol_table::for_all_symbols): New function.
862         * target.h (Sized_target::got_entry_count): New function.
863         (Sized_target::plt_entry_count): New function.
864         (Sized_target::plt_entry_size): New function.
865         * x86_64.cc (Target_x86_64::got_size): Add const.
866         (Target_x86_64::got_entry_count): New function.
867         (Target_x86_64::plt_entry_count): New function.
868         (Target_x86_64::first_plt_entry_offset): New function.
869         (Target_x86_64::plt_entry_size): New function.
870         (Output_data_plt_x86_64::entry_count): New function.
871         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
872         (Output_data_plt_x86_64::get_plt_entry_size): New function.
874 2010-08-12  Cary Coutant  <ccoutant@google.com>
876         * archive.cc: Include incremental.h.
877         (Archive::Archive): Initialize incremental_info_.
878         (Archive::include_member): Record archive members in incremental info.
879         (Add_archive_symbols::run): Record begin and end of an archive in
880         incremental info.
881         (Lib_group::include_member): Record objects in incremental info.
882         * archive.h (Incremental_archive_entry): Forward declaration.
883         (Archive::set_incremental_info): New member function.
884         (Archive::incremental_info): New member function.
885         (Archive::Unused_symbol_iterator): New class.
886         (Archive::unused_symbols_begin): New member function.
887         (Archive::unused_symbols_end): New member function.
888         (Archive::incremental_info_): New data member.
889         * incremental-dump.cc (find_input_containing_global): New function.
890         (dump_incremental_inputs): Dump new incremental info sections.
891         * incremental.cc: Include symtab.h.
892         (Output_section_incremental_inputs): New class.
893         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
894         new incremental info sections.
895         (Sized_incremental_binary::do_check_inputs): Likewise.
896         (Incremental_inputs::report_archive): Remove.
897         (Incremental_inputs::report_archive_begin): New function.
898         (Incremental_inputs::report_archive_end): New function.
899         (Incremental_inputs::report_object): New function.
900         (Incremental_inputs::finalize_inputs): Remove.
901         (Incremental_inputs::report_input_section): New function.
902         (Incremental_inputs::report_script): Rewrite.
903         (Incremental_inputs::finalize): Do nothing but finalize string table.
904         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
905         (Incremental_inputs::sized_create_inputs_section_data): Remove.
906         (Incremental_inputs::create_data_sections): New function.
907         (Incremental_inputs::relocs_entsize): New function.
908         (Output_section_incremental_inputs::set_final_data_size): New function.
909         (Output_section_incremental_inputs::do_write): New function.
910         (Output_section_incremental_inputs::write_header): New function.
911         (Output_section_incremental_inputs::write_input_files): New function.
912         (Output_section_incremental_inputs::write_info_blocks): New function.
913         (Output_section_incremental_inputs::write_symtab): New function.
914         * incremental.h (Incremental_script_entry): Forward declaration.
915         (Incremental_object_entry): Forward declaration.
916         (Incremental_archive_entry): Forward declaration.
917         (Incremental_inputs): Forward declaration.
918         (Incremental_inputs_header_data): Remove.
919         (Incremental_inputs_header): Remove.
920         (Incremental_inputs_header_write): Remove.
921         (Incremental_inputs_entry_data): Remove.
922         (Incremental_inputs_entry): Remove.
923         (Incremental_inputs_entry_write): Remove.
924         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
925         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
926         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
927         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
928         Likewise.
929         (Incremental_input_entry): New class.
930         (Incremental_script_entry): New class.
931         (Incremental_object_entry): New class.
932         (Incremental_archive_entry): New class.
933         (Incremental_inputs::Incremental_inputs): Initialize new data members.
934         (Incremental_inputs::report_inputs): Remove.
935         (Incremental_inputs::report_archive): Remove.
936         (Incremental_inputs::report_archive_begin): New function.
937         (Incremental_inputs::report_archive_end): New function.
938         (Incremental_inputs::report_object): Change prototype.
939         (Incremental_inputs::report_input_section): New function.
940         (Incremental_inputs::report_script): Change prototype.
941         (Incremental_inputs::get_reloc_count): New function.
942         (Incremental_inputs::set_reloc_count): New function.
943         (Incremental_inputs::create_data_sections): New function.
944         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
945         (Incremental_inputs::inputs_section): New function.
946         (Incremental_inputs::symtab_section): New function.
947         (Incremental_inputs::relocs_section): New function.
948         (Incremental_inputs::get_stringpool): Add const.
949         (Incremental_inputs::command_line): Add const.
950         (Incremental_inputs::inputs): Remove.
951         (Incremental_inputs::command_line_key): New function.
952         (Incremental_inputs::input_file_count): New function.
953         (Incremental_inputs::input_files): New function.
954         (Incremental_inputs::relocs_entsize): New function.
955         (Incremental_inputs::sized_create_inputs_section_data): Remove.
956         (Incremental_inputs::finalize_inputs): Remove.
957         (Incremental_inputs::Input_info): Remove.
958         (Incremental_inputs::lock_): Remove.
959         (Incremental_inputs::inputs_): Change type.
960         (Incremental_inputs::inputs_map_): Remove.
961         (Incremental_inputs::current_object_entry_): New data member.
962         (Incremental_inputs::inputs_section_): New data member.
963         (Incremental_inputs::symtab_section_): New data member.
964         (Incremental_inputs::relocs_section_): New data member.
965         (Incremental_inputs::reloc_count_): New data member.
966         (Incremental_inputs_reader): New class.
967         (Incremental_symtab_reader): New class.
968         (Incremental_relocs_reader): New class.
969         * layout.cc (Layout::finalize): Move finalization of incremental info
970         and creation of incremental info sections to follow finalization of
971         symbol table.  Set offsets for postprocessing sections.
972         (Layout::create_incremental_info_sections): Call
973         Incremental_inputs::create_data_sections.  Add incremental symtab
974         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
975         sections to layout after input sections.
976         * layout.h (struct Timespec): Forward declaration.
977         (Layout::incremental_inputs): Add const.
978         (Layout::create_incremental_info_sections): Add parameter.
979         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
980         * object.cc: Include incremental.h.
981         (Relobj::finalize_incremental_relocs): New function.
982         (Sized_relobj::do_layout): Record input sections in incremental info.
983         * object.h (Object::output_section): New function.
984         (Object::output_section_offset): Moved from Relobj.
985         (Object::get_incremental_reloc_base): New function.
986         (Object::get_incremental_reloc_count): New function.
987         (Object::do_output_section): New function.
988         (Object::do_output_section_offset): Moved from Relobj.
989         (Object::do_get_incremental_reloc_base): New function.
990         (Object::do_get_incremental_reloc_count): New function.
991         (Object::Object): Initialize new data members.
992         (Relobj::output_section): Renamed do_output_section and moved to
993         protected.
994         (Relobj::output_section_offset): Moved to Object.
995         (Relobj::do_get_incremental_reloc_base): New function.
996         (Relobj::do_get_incremental_reloc_count): New function.
997         (Relobj::allocate_incremental_reloc_counts): New function.
998         (Relobj::count_incremental_reloc): New function.
999         (Relobj::finalize_incremental_relocs): New function.
1000         (Relobj::next_incremental_reloc_index): New function.
1001         (Relobj::reloc_counts_): New data member.
1002         (Relobj::reloc_bases_): New data member.
1003         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1004         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1005         (Sized_relobj::incremental_relocs_scan): New function.
1006         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1007         (Sized_relobj::incremental_relocs_write): New function.
1008         (Sized_relobj::incremental_relocs_write_reltype): New function.
1009         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1010         incremental link.
1011         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1012         archives and object files elsewhere.
1013         (Add_symbols::run): Report object files here.
1014         (Finish_group::run): Report end of archive at end of group.
1015         * reloc.cc: Include layout.h, incremental.h.
1016         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1017         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1018         (Sized_relobj::incremental_relocs_scan): New function.
1019         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1020         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1021         (Sized_relobj::incremental_relocs_write): New function.
1022         (Sized_relobj::incremental_relocs_write_reltype): New function.
1023         * script.cc (read_input_script): Rewrite test for incremental link.
1024         Change call to Incremental_inputs::report_script.
1025         * symtab.h (Symbol_table::first_global_index): New function.
1026         (Symbol_table::output_count): New function.
1028 2010-08-12  Doug Kwan  <dougkwan@google.com>
1030         * arm.cc (Target_arm::merge_object_attributes): Check command line
1031         options --no-wchar-size-warning and --no-enum-size-warning.
1032         * options.h (General_options): Add ld-compatible options
1033         --no-enum-size-warning and --no-wchar-size-warning.
1035 2010-08-04  Ian Lance Taylor  <iant@google.com>
1037         * x86_64.cc (Target_x86_64::Scan::local): Use
1038         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1039         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1040         (Target_x86_64::Scan::global): Likewise.
1041         (Target_x86_64::Relocate::relocate): Likewise.
1042         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1043         Likewise.
1045 2010-08-03  Cary Coutant  <ccoutant@google.com>
1047         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1048         to reserve space in merged_strings vector. Keep total input size
1049         for stats.
1050         (Output_merge_string::do_print_merge_stats): Print total input size.
1051         * merge.h (Output_merge_string): Add input_size_ field.
1052         * stringpool.cc (Stringpool_template::string_length): Move
1053         implementations out of Stringpool_template class and place in
1054         stringpool.h.
1055         * stringpool.h (string_length): Move out of Stringpool_template.
1057 2010-08-03  Ian Lance Taylor  <iant@google.com>
1059         PR 11712
1060         * layout.cc (relaxation_loop_body): If address of load segment is
1061         set, adjust address to include headers if possible.
1063 2010-08-03  Ian Lance Taylor  <iant@google.com>
1065         * version.cc (version_string): Bump to 1.10.
1067 2010-08-03  Ian Lance Taylor  <iant@google.com>
1069         PR 11805
1070         * layout.h (enum Output_section_order): Define.
1071         (class Layout): Update declarations.
1072         * layout.cc (Layout::get_output_section): Add order parameter.
1073         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1074         is_first_non_relro parameters.  Change all callers.
1075         (Layout::choose_output_section): Likewise.
1076         (Layout::add_output_section_data): Likewise.
1077         (Layout::make_output_section): Likewise.  Set order.
1078         (Layout::default_section_order): New function.
1079         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1080         * output.cc (Output_section::Output_section): Initialize order_.
1081         Don't initialize deleted fields.
1082         (Output_segment::Output_segment): Don't initialize deleted
1083         fields.
1084         (Output_segment::add_output_section_to_load): New function
1085         replacing add_output_section.  Change all callers to call this or
1086         add_output_section_to_nonload.
1087         (Output_segment::add_output_section_to_nonload): New function.
1088         (Output_segment::remove_output_section): Rewrite.
1089         (Output_segment::add_initial_output_data): Likewise.
1090         (Output_segment::has_any_data_sections): Likewise.
1091         (Output_segment::is_first_section_relro): Likewise.
1092         (Output_segment::maximum_alignment): Likewise.
1093         (Output_segment::has_dynamic_reloc): New function replacing
1094         dynamic_reloc_count.  Change all callers.
1095         (Output_segment::has_dynamic_reloc_list): New function replacing
1096         dynamic_reloc_count_list.  Change all callers.
1097         (Output_segment::set_section_addresses): Rewrite.
1098         (Output_segment::set_offset): Rewrite.
1099         (Output_segment::find_first_and_last_list): Remove.
1100         (Output_segment::set_tls_offsets): Rewrite.
1101         (Output_segment::first_section_load_address): Likewise.
1102         (Output_segment::output_section_count): Likewise.
1103         (Output_segment::section_with_lowest_load_address): Likewise.
1104         (Output_segment::write_section_headers): Likewise.
1105         (Output_segment::print_sections_to_map): Likewise.
1106         * output.h (class Output_data): Remove dynamic_reloc_count_
1107         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
1108         (Output_data::add_dynamic_reloc): Rewrite.
1109         (Output_data::has_dynamic_reloc): New function.
1110         (Output_data::dynamic_reloc_count): Remove.
1111         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
1112         is_last_relro_, is_first_non_relro_, is_interp_,
1113         is_dynamic_linker_section_ fields.  Add order and set_order
1114         functions.  Remove is_relro_local, set_is_relro_local,
1115         is_last_relro, set_is_last_relro, is_first_non_relro,
1116         set_is_first_non_relro functions, is_interp, set_is_interp,
1117         is_dynamic_linker_section, and set_is_dynamic_linker_section
1118         functions.
1119         (class Output_segment): Change Output_data_list from std::list to
1120         std:;vector.  Add output_lists_ field.  Remove output_data_ and
1121         output_bss_ fields.  Update declarations.
1123 2010-08-02  Ian Lance Taylor  <iant@google.com>
1125         * arm.cc (Target_arm::gc_process_relocs): Use typename.
1126         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
1127         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
1129 2010-08-02  Ian Lance Taylor  <iant@google.com>
1131         PR 11855
1132         * script.cc (Script_options::Script_options): Initialize
1133         symbol_definitions_ and symbol_references_.
1134         (Script_options::add_symbol_assignment): Update
1135         symbol_definitions_ and symbol_references_.
1136         (Script_options::add_symbol_reference): New function.
1137         (script_symbol): New function.
1138         * script.h (class Script_options): Add symbol_definitions_ and
1139         symbol_references_ fields.
1140         (Script_options::referenced_const_iterator): New type.
1141         (Script_options::referenced_begin): New function.
1142         (Script_options::referenced_end): New function.
1143         (Script_options::is_referenced): New function.
1144         (Script_options::any_unreferenced): New function.
1145         * script-c.h (script_symbol): Declare.
1146         * yyscript.y (exp): Call script_symbol.
1147         * symtab.cc: Include "script.h".
1148         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
1149         Change all callers.  Check symbols referenced by scripts.
1150         (Symbol_table::add_undefined_symbols_from_command_line): Add
1151         layout parameter.  Change all callers.
1152         (Symbol_table::do_add_undefined_symbols_from_command_line):
1153         Likewise.  Break out loop body.  Check symbols referenced by
1154         scripts.
1155         (Symbol_table::add_undefined_symbol_from_command_line): New
1156         function broken out of
1157         do_add_undefined_symbols_from_command_line.
1158         * symtab.h (class Symbol_table): Update declarations.
1159         * archive.cc: Include "layout.h".
1160         (Archive::should_include_member): Add layout parameter.  Change
1161         all callers.  Check for symbol mentioned in expression.
1162         * archive.h (class Archive): Update declaration.
1163         * object.cc (Sized_relobj::do_should_include_member): Add layout
1164         parameter.
1165         * object.h (Object::should_include_member): Add layout parameter.
1166         Change all callers.
1167         (Object::do_should_include_member): Add layout parameter.
1168         (class Sized_relobj): Update declaration.
1169         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
1170         parameter.
1171         * dynobj.h (class Sized_dynobj): Update declaration.
1172         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
1173         layout parameter.
1174         * plugin.h (class Sized_pluginobj): Update declaration.
1176 2010-08-02  Ian Lance Taylor  <iant@google.com>
1178         PR 11866
1179         * output.cc (Output_segment::set_offset): Search for the first and
1180         last sections rather than assuming that the list is in order.
1181         (Output_segment::find_first_and_last_list): New function.
1182         * output.h (class Output_segment): Update declarations.
1183         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
1184         (relro_strip_test_SOURCES): New variable.
1185         (relro_strip_test_DEPENDENCIES): New variable.
1186         (relro_strip_test_LDFLAGS): New variable.
1187         (relro_strip_test_LDADD): New variable.
1188         (relro_strip_test.so): New target.
1190 2010-08-02  Ian Lance Taylor  <iant@google.com>
1192         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
1193         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
1194         (Target_i386::got_tlsdesc_section): New function.
1195         (Target_i386::got_section): Create space for GOT entries for
1196         TLSDESC relocations.
1197         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
1198         R_386_TLS_GOTDESC.
1199         (Target_i386::Scan::global): Likewise.
1200         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
1201         using TLSDESC GOT.
1202         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
1203         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
1204         (Target_x86_64::got_tlsdesc_section): New function.
1205         (Target_x86_64::got_section): Create space for GOT entries for
1206         TLSDESC relocations.
1207         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
1208         R_386_TLS_GOTDESC.
1209         (Target_x86_64::Scan::global): Likewise.
1210         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
1211         using TLSDESC GOT.
1213 2010-08-02  Ian Lance Taylor  <iant@google.com>
1215         * testsuite/final_layout.sh: Use dc to convert from hex to
1216         decimal.
1218 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
1220         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
1221         paramter to the call to gold::gc_process_relocs.
1222         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
1223         paramter to the call to gold::gc_process_relocs.
1224         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
1225         parameter to the call to gold::gc_process_relocs.
1226         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
1227         template parameter to the call to gold::gc_process_relocs.
1228         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
1229         paramter to the call to gold::gc_process_relocs.
1230         * gc.h (get_embedded_addend_size): New function.
1231         (gc_process_relocs): Save the size of the reloc for use by ICF.
1232         * icf.cc (get_section_contents): Get the addend from the text section
1233         for SHT_REL relocation sections.
1234         * icf.h (Icf::Reloc_addend_size_info): New typedef.
1235         (Icf::Reloc_info): Add new member reloc_addend_size_info.
1236         * int_encoding.h (read_from_pointer): New overloaded function.
1237         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
1238         * testsuite/icf_sht_rel_addend_test.sh: New file.
1239         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
1240         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
1242 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1244         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
1245         * Makefile.in: Regenerate.
1246         * testsuite/Makefile.in: Regenerate.
1248 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
1250         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
1251         * gold/testsuite/debug_msg.cc: Likewise.
1252         * gold/testsuite/odr_violation1.cc
1253         * gold/testsuite/odr_violation2.cc
1255 2010-07-21  Cary Coutant  <ccoutant@google.com>
1257         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
1258         string, and length fields.
1259         (Output_merge_string::Merged_strings_list): New type.
1260         (Output_merge_string::Merged_strings_lists): New typedef.
1261         (Output_merge_string): Replace merged_strings_ with
1262         merged_strings_lists_.
1263         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1264         Merged_strings_list per input object and section.  Don't store pointer
1265         to the string.  Don't store length with each merged string entry.
1266         (Output_merge_string::finalize_merged_data): Loop over list of merged
1267         strings lists.  Recompute length of each merged string.
1269 2010-07-15  Cary Coutant  <ccoutant@google.com>
1271         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1272         here.
1274 2010-07-14  Ian Lance Taylor  <iant@google.com>
1276         * descriptors.cc (Descriptors::open): Report correct name in error
1277         message.
1279 2010-07-13  Doug Kwan  <dougkwan@google.com>
1281         * arm.cc (Arm_input_section::Arm_input_section): For a
1282         SHT_ARM_EXIDX section, always keeps the input sections.
1283         (Arm_input_section::set_exidx_section_link): New method.
1284         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1285         has_errors_ to false.
1286         (Arm_exidx_input_section::has_errors,
1287         Arm_exidx_input_section::set_has_errors): New methods.
1288         (Arm_exidx_input_section::has_errors_): New data member.
1289         (Arm_relobj::get_exidx_shndx_list): New method.
1290         (Arm_output_section::append_text_sections_to_list): Do not skip
1291         section without SHF_EXECINSTR.
1292         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1293         errors.
1294         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1295         section header.  Make error messages more verbose.  Check for
1296         a non-executable section linked to an EXIDX section.
1297         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1298         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1299         check that there is no deferred EXIDX section if we exit early.
1300         Instead of not making an EXIDX section in case of an error, make one
1301         and set the has_errors flag of it.
1302         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1303         in a relocatable link.
1304         (Target_arm::do_relax): Look for the EXIDX output section instead of
1305         assuming that it is called .ARM.exidx.
1306         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1307         section list.  Do not check for SHF_EXECINSTR section flags but
1308         skip any input section with errors.
1309         * output.cc (Output_section::Output_section): Initialize
1310         always_keeps_input_sections_ to false.
1311         (Output_section::add_input_section): Check for
1312         always_keeps_input_sections_.
1313         *  output.h (Output_section::always_keeps_input_sections,
1314         Output_section::set_always_keeps_input_sections): New methods.
1315         (Output_section::always_keeps_input_sections): New data member.
1317 2010-07-13  Rafael Espindola  <espindola@google.com>
1319         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1320         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1322 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1323             Ian Lance Taylor  <iant@google.com>
1325         * output.h (Output_section_lookup_maps::add_merge_section):
1326         Correct check of whether value was inserted.
1327         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1328         (Output_section_lookup_maps::add_relaxed_input_section):
1329         Likewise.
1330         * arm.cc (Target_arm::got_section): Remove used local os.
1331         * i386.cc (Target_i386::got_section): Likewise.
1332         * x86_64.cc (Target_x86_64::got_section): Likewise.
1333         * sparc.cc (Target_sparc::got_section): Likewise.
1334         (Target_sparc::relocate): Remove unused local have_got_offset.
1335         * powerpc.cc (Target_powerpc::relocate): Likewise.
1337 2010-07-13  Ian Lance Taylor  <iant@google.com>
1339         * compressed_output.cc (zlib_decompress): Fix signature in
1340         !HAVE_ZLIB_H case.
1342         * archive.cc (Archive::include_member): Unlock an external member
1343         of a thin archive.  Don't bother to delete an object we know is
1344         NULL.
1346 2010-07-12  Cary Coutant  <ccoutant@google.com>
1348         * compressed_output.cc (zlib_decompress): New function.
1349         (get_uncompressed_size): New function.
1350         (decompress_input_section): New function.
1351         * compressed_output.h (get_uncompressed_size): New function.
1352         (decompress_input_section): New function.
1353         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1354         Handle compressed debug sections.
1355         * layout.cc (is_compressed_debug_section): New function.
1356         (Layout::output_section_name): Map compressed section names to
1357         canonical names.
1358         * layout.h (is_compressed_debug_section): New function.
1359         (is_debug_info_section): Recognize compressed debug sections.
1360         * merge.cc: Include compressed_output.h.
1361         (Output_merge_data::do_add_input_section): Handle compressed
1362         debug sections.
1363         (Output_merge_string::do_add_input_section): Handle compressed
1364         debug sections.
1365         * object.cc: Include compressed_output.h.
1366         (Sized_relobj::Sized_relobj): Initialize new data members.
1367         (build_compressed_section_map): New function.
1368         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1369         * object.h (Object::section_is_compressed): New method.
1370         (Object::do_section_is_compressed): New method.
1371         (Sized_relobj::Compressed_section_map): New type.
1372         (Sized_relobj::do_section_is_compressed): New method.
1373         (Sized_relobj::compressed_sections_): New data member.
1374         * output.cc (Output_section::add_input_section): Handle compressed
1375         debug sections.
1376         * reloc.cc: Include compressed_output.h.
1377         (Sized_relobj::write_sections): Handle compressed debug sections.
1379 2010-07-08  Cary Coutant  <ccoutant@google.com>
1381         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1382         weak when resolving to a dynamic def.
1383         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1384         for weak undef/dynamic def cases. Adjust callers.
1385         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1386         undef_binding_weak_.
1387         (Symbol_table::sized_write_globals): Adjust symbol binding.
1388         (Symbol_table::sized_write_symbol): Add binding parameter.
1389         * symtab.h (Symbol::set_undef_binding): New method.
1390         (Symbol::is_undef_binding_weak): New method.
1391         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1392         (Symbol_table::should_override): Add new parameter.
1393         (Symbol_table::sized_write_symbol): Add new parameter.
1395         * testsuite/weak_undef_file1.cc: Add new test case.
1396         * testsuite/weak_undef_file2.cc: Fix header comment.
1397         * testsuite/weak_undef_test.cc: Add new test case.
1399 2010-06-29  Doug Kwan  <dougkwan@google.com>
1401         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1402         Initialize USE_SYMBOL_.
1403         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1404         definition.
1405         (Arm_reloc_property::uses_symbol_): New data member declaration.
1406         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1407         uses symbol value and symbol is undefined but not weakly undefined.
1409 2010-06-28  Rafael Espindola  <espindola@google.com>
1411         * plugin.cc (Plugin::load): Use dlerror.
1413 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1415         * symtab.cc (detect_odr_violations): When reporting an ODR
1416         violation, report an object where the symbol is defined.
1418 2010-06-25  Doug Kwan  <dougkwan@google.com>
1420         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1421         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1422         definition.
1423         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1424         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1425         target hook to detect function points.
1426         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1427         * icf.h (Icf::check_section_for_function_pointers): Change type of
1428         parameter SECTION_NAME to const reference to std::string.  Use
1429         target hook to determine if section may have unsafe pointers.
1430         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1431         method definition.
1433 2010-06-21  Rafael Espindola  <espindola@google.com>
1435         * fileread.cc (Input_file::find_fie): New
1436         (Input_file::open): Use Input_file::find_fie.
1437         * fileread.h (Input_file::find_fie): New
1438         * plugin.cc (set_extra_library_path): New.
1439         (Plugin::load): Add set_extra_library_path to the transfer vector.
1440         (Plugin_manager::set_extra_library_path): New.
1441         (Plugin_manager::add_input_file): Use the extra search path if set.
1442         (set_extra_library_path(): New.
1443         * plugin.h (Plugin_manager): Add set_extra_library_path and
1444         extra_search_path_.
1446 2010-06-19  Cary Coutant  <ccoutant@google.com>
1448         * layout.cc (gdb_sections): Add .debug_types.
1449         (lines_only_debug_sections): Likewise.
1451 2010-06-18  Rafael Espindola  <espindola@google.com>
1453         * plugin.cc (add_input_file,add_input_library)
1454         (Plugin_manager::add_input_file): Make filename arguments const.
1455         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1456         const.
1458 2010-06-16  Doug Kwan  <dougkwan@google.com>
1460         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1461         .ARM.attributes section if we have not merged any input
1462         attributes sections.
1464 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1466         * arm.cc: Allow combining objects with no EABI version
1467         information.
1469 2010-06-15  Rafael Espindola  <espindola@google.com>
1471         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1473 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1475         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1476         (struct iovec): Correct !HAVE_READV definition.
1478 2010-06-10  Cary Coutant  <ccoutant@google.com>
1480         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1481         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1482         reloc sections.
1483         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1485         PR 11683
1486         * symtab.h (Symbol::is_placeholder): New member function.
1487         * target-reloc.h (relocate_section): Check for placeholder symbols.
1489         * testsuite/Makefile.am (plugin_test_8): New test.
1490         (plugin_test_9): New test.
1491         * testsuite/Makefile.in: Regenerate.
1493 2010-06-09  Nick Clifton  <nickc@redhat.com>
1495         * yyscript.y (input_list_element): Allow strings prefixed with
1496         the '-' character.  Treat these as libraries.
1497         * script.cc (script_add_library): New function.  Adds a library
1498         specified by "-l<name>" found in an input script.
1499         * script-c.h: Add prototype for script_add_library.
1501 2010-06-07  Doug Kwan  <dougkwan@google.com>
1503         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1504         Restrict stub-group size to be within long conditional branch
1505         range when working around cortex-A8 erratum.
1507 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1509         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1510         #ifdef typo.
1512 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1514         PR gold/11658
1515         * output.cc
1516         (Output_section::Input_section_sort_entry::compare_section_ordering):
1517         Change to return non-zero correctly.
1518         (Output_section::Input_section_sort_section_order_index_compare
1519         ::operator()): Change to fix ambiguity in comparisons.
1521 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1523         * gold.h (is_wildcard_string): New function.
1524         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1525         (Layout::layout_eh_frame): Ditto.
1526         (Layout::find_section_order_index): New method.
1527         (Layout::read_layout_from_file): New method.
1528         * layout.h (Layout::find_section_order_index): New method.
1529         (Layout::read_layout_from_file): New method.
1530         (Layout::input_section_position_): New private member.
1531         (Layout::input_section_glob_): New private member.
1532         * main.cc (main): Call read_layout_from_file here.
1533         * options.h (--section-ordering-file): New option.
1534         * output.cc (Output_section::input_section_order_specified_): New
1535         member.
1536         (Output_section::Output_section): Initialize new member.
1537         (Output_section::add_input_section): Add new parameter.
1538         Keep input sections when --section-ordering-file is used.
1539         (Output_section::set_final_data_size): Sort input sections when
1540         section ordering file is specified.
1541         (Output_section::Input_section_sort_entry): Add new parameter.
1542         Check sorting type.
1543         (Output_section::Input_section_sort_entry::compare_section_ordering):
1544         New method.
1545         (Output_section::Input_section_sort_compare::operator()): Change to
1546         consider section_order_index.
1547         (Output_section::Input_section_sort_init_fini_compare::operator()):
1548         Change to consider section_order_index.
1549         (Output_section::Input_section_sort_section_order_index_compare
1550         ::operator()): New method.
1551         (Output_section::sort_attached_input_sections): Change to sort
1552         according to section order when specified.
1553         (Output_section::add_input_section<32, true>): Add new parameter.
1554         (Output_section::add_input_section<64, true>): Add new parameter.
1555         (Output_section::add_input_section<32, false>): Add new parameter.
1556         (Output_section::add_input_section<64, false>): Add new parameter.
1557         * output.h (Output_section::add_input_section): Add new parameter.
1558         (Output_section::input_section_order_specified): New
1559         method.
1560         (Output_section::set_input_section_order_specified): New method.
1561         (Input_section::Input_section): Initialize section_order_index_.
1562         (Input_section::section_order_index): New method.
1563         (Input_section::set_section_order_index): New method.
1564         (Input_section::section_order_index_): New member.
1565         (Input_section::Input_section_sort_section_order_index_compare): New
1566         struct.
1567         (Output_section::input_section_order_specified_): New member.
1568         * script-sections.cc (is_wildcard_string): Delete and move modified
1569         method to gold.h.
1570         (Output_section_element_input::Output_section_element_input): Modify
1571         call to is_wildcard_string.
1572         (Output_section_element_input::Input_section_pattern
1573         ::Input_section_pattern): Ditto.
1574         (Output_section_element_input::Output_section_element_input): Ditto.
1575         * testsuite/Makefile.am (final_layout): New test case.
1576         * testsuite/Makefile.in: Regenerate.
1577         * testsuite/final_layout.cc: New file.
1578         * testsuite/final_layout.sh: New file.
1580 2010-06-01  Rafael Espindola  <espindola@google.com>
1582         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1584 2010-06-01  Rafael Espindola  <espindola@google.com>
1586         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1587         visibility of symbols.
1589 2010-05-27  Doug Kwan  <dougkwan@google.com>
1591         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1592         from start of output section instead of address for a local symbol
1593         in a merged or relaxed section when doing a relocatable link.
1595 2010-05-26  Rafael Espindola  <espindola@google.com>
1597        PR 11604
1598         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1599         adding sections the garbage collector removed.
1600         * gold/testsuite/Makefile.am: Add test.
1601         * gold/testsuite/Makefile.in: Regenerate.
1602         * gold/testsuite/plugin_test_7.sh: New.
1603         * gold/testsuite/plugin_test_7_1.c: New.
1604         * gold/testsuite/plugin_test_7_2.c: New.
1606 2010-05-26  Rafael Espindola  <espindola@google.com>
1608         * script-sections.cc (Output_section_definition::set_section_addresses):
1609         Check for --section-start.
1611 2010-05-26  Doug Kwan  <dougkwan@google.com>
1613         * arm.cc (Arm_scan_relocatable_relocs): New class.
1614         (Target_arm::relocate_special_relocatable): New method.
1615         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1616         (Arm_relocate_functions::thumb_branch_common): Same.
1617         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1618         instead of Default_scan_relocatable_relocs.
1619         * target-reloc.h (relocate_for_relocatable): Let target handle
1620         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1621         * target.h (Sized_target::relocate_special_relocatable): New method.
1623 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1625         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1627 2010-05-23  Doug Kwan  <dougkwan@google.com>
1629         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1630         instead of a cast.
1631         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1632         with a direct branch, not a conditional branch, to a stub.
1633         * merge.cc (Output_merge_base::record_input_section): New method
1634         defintion.
1635         (Output_merge_data::do_add_input_section): Record input section if
1636         keeps-input-sections flag is set.
1637         (Output_merge_string::do_add_input_section): Ditto.
1638         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1639         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1640         INPUT_SECTIONS_.
1641         (Output_merge_base::keeps_input_sections,
1642         Output_merge_base::set_keeps_input_sections,
1643         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1644         method definitions.
1645         (Output_merge_base::Input_sections): New type declaration.
1646         (Output_merge_base::input_sections_begin,
1647         Output_merge_base::input_sections_end,
1648         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1649         (Output_merge_base::bool keeps_input_sections_,
1650         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1651         Output_merge_base::input_sections_): New data members.
1652         (Output_merge_data::do_set_keeps_input_sections): New method
1653         defintion.
1654         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1655         * output.cc (Output_section::Input_section::relobj): Move method
1656         defintion from class declaration to here and handle merge sections.
1657         (Output_section::Input_section::shndx): Ditto.
1658         (Output_section::Output_section): Remove initializations of removed
1659         data members and initialize new data member LOOKUP_MAPS_.
1660         (Output_section::add_input_section): Set keeps-input-sections flag
1661         for a newly created merge output section as appropriate.  Adjust code
1662         to use Output_section_lookup_maps class.
1663         (Output_section::add_relaxed_input_section): Adjst code for lookup
1664         maps code refactoring.
1665         (Output_section::add_merge_input_section): Add a new parameter
1666         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1667         class.  If adding input section to a newly created merge output
1668         section fails, remove the new merge section.
1669         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1670         Adjust code for use of the Output_section_lookup_maps class.
1671         (Output_section::find_merge_section): Ditto.
1672         (Output_section::build_lookup_maps): New method defintion.
1673         (Output_section::find_relaxed_input_section): Adjust code to use
1674         Output_section_lookup_maps class.
1675         (Output_section::get_input_sections): Export merge sections.  Adjust
1676         code to use Output_section_lookup_maps class.
1677         (Output_section:::add_script_input_section): Adjust code to use
1678         Output_section_lookup_maps class.  Update lookup maps for merge
1679         sections also.
1680         (Output_section::discard_states): Use Output_section_lookup_maps.
1681         (Output_section::restore_states): Same.
1682         * output.h (Merge_section_properties): Move class defintion out of
1683         Output_section.
1684         (Output_section_lookup_maps): New class.
1685         (Output_section::Input_section::is_merge_section): New method
1686         defintion.
1687         (Output_section::Input_section::relobj): Move defintion out of class
1688         defintion.  Declare method only.
1689         (Output_section::Input_section::shndx): Ditto.
1690         (Output_section::Input_section::output_merge_base): New method defintion.
1691         (Output_section::Input_section::u2_.pomb): New union field.
1692         (Output_section::Merge_section_by_properties_map,
1693         Output_section::Output_section_data_by_input_section_map,
1694         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1695         Remove types.
1696         (Output_section::add_merge_input_section): Add new parameter
1697         KEEPS_INPUT_SECTIONS.
1698         (Output_section::build_lookup_maps): New method declaration.
1699         (Output_section::merge_section_map_,
1700         Output_section::merge_section_by_properties_map_,
1701         Output_section::relaxed_input_section_map_,
1702         Output_section::is_relaxed_input_section_map_valid_): Remove data
1703         members.
1704         (Output_section::lookup_maps_): New data member.
1706 2010-05-21  Doug Kwan  <dougkwan@google.com>
1708         PR gold/11619
1709         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1710         avoid a compilation error.
1712 2010-05-19  Rafael Espindola  <espindola@google.com>
1714         * script-sections.cc (Output_section_definition::allocate_to_segment):
1715         Update the phdrs_list even when the output section is NULL.
1716         * testsuite/Makefile.am: Add test.
1717         * testsuite/Makefile.in: Regenerate.
1718         * testsuite/script_test_9.cc: New.
1719         * testsuite/script_test_9.sh: New.
1720         * testsuite/script_test_9.t: New.
1722 2010-05-19  Doug Kwan  <dougkwan@google.com>
1724         * arm.cc (Arm_input_section::original_size): New method.
1725         (Arm_input_section::do_addralign): Add a cast.
1726         (Arm_input_section::do_output_offset): Remove static cast.
1727         (Arm_input_section::original_addralign,
1728          Arm_input_section::original_size_): Change type to uint32_t.
1729         (Arm_input_section::init): Add safe casts for section alignment
1730         and size.
1731         (Arm_input_section::set_final_data_size): Do not set address and
1732         offset of stub table.
1733         (Arm_output_section::fix_exidx_coverage): Change use of of
1734         Output_section::Simple_input_section to that of
1735         Output_section::Input_section.
1736         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1737         except for the first pass.
1738         * output.cc (Output_section::get_input_sections): Change type of
1739         input_sections to std::list<Input_section>.
1740         (Output_section::add_script_input_section): Rename from
1741         Output_section::add_simple_input_section.  Change type of SIS
1742         parameter from Simple_input_section to Input_section.
1743         * output.h (Output_section::Simple_input_section): Remove class.
1744         (Output_section::Input_section): Change class visibility to public.
1745         (Output_section::Input_section::addralign): Use stored alignments
1746         for special input sections if set.
1747         (Output_section::Input_section::set_addralign): New method.
1748         (Output_section::get_input_sections): Change parameter type from
1749         list of Simple_input_section to list of Input_section.
1750         (Output_section::add_script_input_section): Rename from
1751         Output_section::add_simple_input_section. Change first parameter's
1752         type from Simple_input_section to Input_section and remove the
1753         second and third parameters.
1754         * script-sections.cc (Input_section::Input_section_list): Change
1755         type to list of Output_section::Input_section/
1756         (Input_section_info::Input_section_info): Change parameter type of
1757         INPUT_SECTION to Output_section::Input_section.
1758         (Input_section_info::input_section): Change return type.
1759         (Input_section_info::input_section_): Change type to
1760         Output_section::Input_section.
1761         (Output_section_element_input::set_section_addresses): Adjust code
1762         to use Output_section::Input_section instead of
1763         Output_section::Simple_input_section.  Adjust code for renaming
1764         of Output_section::add_simple_input_section.
1765         (Orphan_output_section::set_section_addresses): Ditto.
1767 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1769         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1770         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1772 2010-05-18  Rafael Espindola  <espindola@google.com>
1774         * options.cc (General_options::finalize): Handle -nostdlib.
1775         * options.h (nostdlib): New option.
1776         * script.cc (script_add_search_dir): Handle -nostdlib.
1778 2010-05-12  Doug Kwan  <dougkwan@google.com>
1780         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1781         attributes section only if there no attributes section after merging.
1782         (Target_arm::merge_object_attributes): Move value of
1783         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1784         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1785         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1786         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1787         and arm_attr_merge_7.stdout.
1788         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1789         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1790         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1791         arm_attr_merge_7b.o): New rules.
1792         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1793         arm_attr_merge_7
1794         * testsuite/Makefile.in: Regenerate.
1795         * testsuite/arm_attr_merge.sh: New file.
1796         * testsuite/arm_attr_merge_[67][ab].s: Same.
1798 2010-05-05  Nick Clifton  <nickc@redhat.com>
1800         * po/es.po: Updated Spanish translation.
1802 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1804         * Makefile.am (install-exec-local): Properly install gold as
1805         default cross linker.
1806         * Makefile.in: Regenerated.
1808 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1809             Nick Clifton  <nickc@redhat.com>
1811         * configure.ac (install_as_default): Define and set to false
1812         unless --enable-gold or --enable-gold=both/gold has been
1813         specified.
1814         * configure: Regenerate.
1816         * Makefile.am (install-exec-local): Install the executable as
1817         'ld.gold'.  If install_as_default is true then also install it as
1818         'ld'.
1819         * Makefile.in: Regenerated.
1821 2010-04-24  Ian Lance Taylor  <iant@google.com>
1823         * layout.cc (Layout::layout_reloc): In relocatable link don't
1824         combine reloc sections for grouped sections.
1826 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
1828         * gc.h (gc_process_relocs): Pass information on relocs pointing to
1829         sections that are not ordinary to icf.
1830         * icf.cc (get_section_contents): Handle relocation pointing to section
1831         with no object or shndx information.
1832         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
1833         * testsuite/Makefile.in: Regenerate.
1834         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
1835         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
1837 2010-04-22  Ian Lance Taylor  <iant@google.com>
1839         * expression.cc (Expression::Expression_eval_info): Add
1840         result_alignment_pointer field.
1841         (Expression::eval_with_dot): Add result_alignment_pointer
1842         parameter.  Change all callers.
1843         (Expression::eval_maybe_dot): Likewise.
1844         (class Binary_expression): Add alignment_pointer parameter to
1845         left_value and right_value.  Change all callers.
1846         (BINARY_EXPRESSION): Set result alignment.
1847         (class Trinary_expression): Add alignment_pointer parameter to
1848         arg2_value and arg3_value.  Change all callers.
1849         (Trinary_cond::value): Set result alignment.
1850         (Max_expression::value, Min_expression::value): Likewise.
1851         (Align_expression::value): Likewise.
1852         * script-sections.cc (class Sections_element): Add dot_alignment
1853         parameter to set_section_addresses virtual function.  Update
1854         instantiations.
1855         (class Output_section_element): Likewise.
1856         (Script_sections::create_segments): Add dot_alignment parameter.
1857         Change all callers.
1858         (Script_sections::create_segments_from_phdrs_clause): Likewise.
1859         (Script_sections::set_phdrs_clause_addresses): Likewise.
1860         * script-sections.h: Update declarations.
1861         * script.h: Update declarations.
1862         * output.h (Output_segment::set_minimum_p_align): Don't decrease
1863         min_p_align.
1864         * testsuite/script_test_3.t: Set large alignment.
1865         * testsuite/script_test_3.sh: Make sure that at least one LOAD
1866         segment has expected alignment.
1868 2010-04-22  Nick Clifton  <nickc@redhat.com>
1870         * po/gold.pot: Updated by the Translation project.
1871         * po/vi.po: Updated Vietnamese translation.
1873 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
1875         * testsuite/Makefile.am (check_PROGRAMS): Add
1876         icf_virtual_function_folding_test.
1877         * testsuite/Makefile.in: Regenerated.
1879 2010-04-15  Andrew Haley  <aph@redhat.com>
1881         * options.h (merge_exidx_entries): New option.
1882         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
1883         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
1884         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
1885         (Target_arm::merge_exidx_entries): New function.
1886         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
1887         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
1888         to Arm_exidx_fixup constructor.
1889         Add new arg, merge_exidx_entries.
1890         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
1891         Arm_output_section::fix_exidx_coverage.
1893 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
1895         * icf.cc (get_section_contents): Check for preemptible functions.
1896         Ignore addend when appropriate.
1897         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
1898         section folded.
1899         (add_from_relobj): Check for section folded.
1900         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
1901         * symtab.h (should_add_dynsym_entry): Add new parameter.
1902         * target-reloc.h (scan_relocs): Check for section folded.
1903         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
1904         Check reloc types for function pointers in shared objects.
1905         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
1906         case.
1907         (icf_preemptible_functions_test): New test case.
1908         (icf_string_merge_test): New test case.
1909         * testsuite.Makefile.in: Regenerate.
1910         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
1911         bar_glob.  Refactor code.
1912         * testsuite/icf_preemptible_functions_test.cc: New file.
1913         * testsuite/icf_preemptible_functions_test.sh: New file.
1914         * testsuite/icf_string_merge_test.cc: New file.
1915         * testsuite/icf_string_merge_test.sh: New file.
1916         * testsuite/icf_virtual_function_folding_test.cc: New file.
1917         * testsuite/icf_virtual_function_folding_test.sh: New file.
1919 2010-04-14  Doug Kwan  <dougkwan@google.com>
1921         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
1922         for local symbol recounting if we remove a section due to ICF.
1923         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
1924         there are no regular objects in input.
1926 2010-04-13  Doug Kwan  <dougkwan@google.com>
1928         * arm.cc (Arm_input_section::set_final_data_size): Compute
1929         accurate final data size instead of using current data size.
1931 2010-04-09  Doug Kwan  <dougkwan@google.com>
1933         * layout.cc (Layout::choose_output_section): Handle script section
1934         types.
1935         (Layout::make_output_section_for_script): Add section type parameter.
1936         Handle script section types.
1937         * layout.h (Layout::make_output_section_for_script): Add section
1938         type parameter.
1939         * output.cc (Output_section::Output_section): Initialize data member
1940         is_noload_.
1941         (Output_section::do_reset_address_and_file_offset): Do not set address
1942         to 0 if section is a NOLOAD section.
1943         * output.h (Output_section::is_noload): New method.
1944         (Output_section::set_is_noload): Ditto.
1945         (Output_section::is_noload_): New data member.
1946         * script-c.h (Script_section_type): New enum type.
1947         (struct Parser_output_section_header): Add new file section_type.
1948         * script-sections.cc (Sections_element::output_section_name): Add
1949         parameter for returning script section type.
1950         (Output_section_definition::output_section_name): Ditto.
1951         (Output_section_definition::section_type)P; New method.
1952         (Output_section_definiton::script_section_type_name): Ditto.
1953         (Output_section_definition::script_section_type_): New data member.
1954         (Output_section_definition::Output_section_definition): Initialize
1955         data member Output_section_definition::script_section_type_.
1956         (Output_section_definition::create_sections): Pass script section type
1957         to Layout::make_output_section_for_script.
1958         (Output_section_definition::output_section_name): Return script
1959         section type to caller.
1960         (Output_section_definition::set_section_address): Do not advance
1961         dot value and load address if section type is NOLOAD.  Set address
1962         of NOLOAD sections regardless of section flags.
1963         (Output_section_definition::print): Print section type if it is
1964         not SCRIPT_SECTION_TYPE_NONE.
1965         (Output_section_definition::section_type): New method.
1966         (Output_section_definition::script_section_type_name): Ditto.
1967         (Script_sections::output_section_name): Add new parameter
1968         PSECTION_TYPE for returning script section type.  Pass it to
1969         section elements.  Handle discard sections.
1970         (Sort_output_sections::operator()): Handle NOLOAD sections.
1971         * script-sections.h (Script_sections::Section_type): New enum type.
1972         (Script_sections::output_section_name): Add a new parameter for
1973         returning script section type.
1974         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
1975         INFO and NOLOAD.
1976         * yyscript.y (union): Add new field SECTION_TYPE.
1977         (COPY, DSECT, INFO, NOLOAD): New tokens.
1978         (opt_address_and_section_type): Change type to output_section_header.
1979         (section_type): New non-terminal
1980         (section_header): Handle section type.
1981         (opt_address_and_section_type): Return section type value.
1983 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1985         * testsuite/plugin_common_test_1.c (foo): Add prototype.
1986         * testsuite/plugin_common_test_2.c (foo): Likewise.
1988 2010-04-08  Doug Kwan  <dougkwan@google.com>
1990         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
1991         Output_merge_data.
1992         * output.cc (Output_section::add_merge_input_section): Simplify
1993         code and return status of Output_merge_base::add_input_section.
1994         Update merge section map only if Output_merge_base::add_input_section
1995         returns true.
1997 2010-04-07  Doug Kwan  <dougkwan@google.com>
1999         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2000         if section is marked as containing instructions but has no mapping
2001         symbols.
2002         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2003         correct section index.
2004         (Arm_relobj::find_linked_text_section): Ditto.
2006 2010-04-07  Cary Coutant  <ccoutant@google.com>
2008         * archive.cc (include_member): Destroy Read_symbols_data object before
2009         releasing file.
2010         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2011         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2012         (Read_symbols_data::~Read_symbols_data) New destructor.
2013         (Section_relocs::Section_relocs) New constructor.
2014         (Section_relocs::~Section_relocs) New destructor.
2015         (Read_relocs_data::Read_relocs_data) New constructor.
2016         (Read_relocs_data::~Read_relocs_data) New destructor.
2017         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2018         pointers to NULL after deleting.
2020 2010-04-07  Doug Kwan  <dougkwan@google.com>
2022         * arm.cc: Replace "endianity" with "endianness" in comments.
2023         (Arm_exidx_cantunwind): Ditto.
2024         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2025         (Arm_relobj::merge_flags_and_attributes): New method.
2026         (Arm_relobj::merge_flags_and_attributes_): New data member.
2027         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2028         (Arm_relobj::scan_sections_for_stubs): Ditto.
2029         (Arm_relobj::do_read_symbols): Check to see if we really want to
2030         merge processor-specific flags and attributes.  Exit early if
2031         an object is empty except for section names and the undefined symbol.
2032         (Target_arm::do_finalize_sections): Move check for ELF format to
2033         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2034         attributes from a regular object only when we have determined that
2035         it is aapropriate.  Do not create an .ARM.attributes section in
2036         output if there is no regular input object.
2037         (Target_arm::merge_processor_specific_flags): Check
2038         --warn-mismatch before printing any error.
2039         (Target_arm::merge_object_attributes): Ditto.
2040         * gold.cc (queue_middle_tasks): Handle the case in which there is
2041         no regular object in input.
2042         * options.cc (General_options::parse_EB): New method.
2043         (General_options::parse_EL): Same.
2044         (General_options::General_options): Initialize endianness_.
2045         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2046         New options.
2047         (General_options::Endianness): New enum.
2048         (General_options::endianness): New method.
2049         (General_options::endianness_): New data member.
2050         * parameters.cc (Parameters::set_options): Check target endianness.
2051         (Parameters::set_target_once): Ditto.
2052         (Parameters::check_target_endianness): New method.
2053         (parameters_force_valid_target): If either -EL or -EB is specified,
2054         use it to define endianness of default target.
2055         * parameters.h (Parameters::check_target_endianness): New method
2056         declaration.
2057         * target.h (class Target): Change "endianity" to "endianness"
2058         in comments.
2060 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2062         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2063         * configure: Regenerate.
2064         * Makefile.in: Regenerate.
2065         * testsuite/Makefile.in: Regenerate.
2067 2010-04-06  Cary Coutant  <ccoutant@google.com>
2069         gcc PR lto/42757
2070         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2071         prevailing definitions of common symbols.
2072         * testsuite/plugin_test_6.sh: New test case.
2073         * testsuite/plugin_common_test_1.c: New test case.
2074         * testsuite/plugin_common_test_2.c: New test case.
2075         * testsuite/Makefile.am (plugin_test_6): New test case.
2076         * testsuite/Makefile.in: Regenerate.
2078 2010-04-06  Nick Clifton  <nickc@redhat.com>
2080         * po/vi.po: New Vietnamese translation.
2082 2010-03-30  Doug Kwan  <dougkwan@google.com>
2084         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2086 2010-03-25  Doug Kwan  <dougkwan@google.com>
2088         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2089         to avoid a conversion warning on a 32-bit host.
2091 2010-03-24  Ian Lance Taylor  <iant@google.com>
2093         * testsuite/script_test_3.t: Add a TLS segment.
2094         * testsuite/Makefile.am (check_PROGRAMS): Add
2095         tls_phdrs_script_test.
2096         (tls_phdrs_script_test_SOURCES): Define.
2097         (tls_phdrs_script_test_DEPENDENCIES): Define.
2098         (tls_phdrs_script_test_LDFLAGS): Define.
2099         (tls_phdrs_script_test_LDADD): Define.
2100         * testsuite/Makefile.in: Rebuild.
2102 2010-03-23  Cary Coutant  <ccoutant@google.com>
2104         * fileread.cc (find_or_make_view): Fix comment.
2106 2010-03-23  Ian Lance Taylor  <iant@google.com>
2108         * script-sections.cc (class Orphan_section_placement): Define
2109         PLACE_TLS and PLACE_TLS_BSS.
2110         (Orphan_section_placement::Orphan_section_placement): Initialize
2111         new places.
2112         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
2113         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
2114         (tls_script_test_SOURCES): Define.
2115         (tls_script_test_DEPENDENCIES): Define.
2116         (tls_script_test_LDFLAGS): Define.
2117         (tls_script_test_LDADD): Define.
2118         * testsuite/Makefile.in: Rebuild.
2120 2010-03-22  Doug Kwan  <dougkwan@google.com>
2122         * arm.cc (Arm_relocate_functions::abs8,
2123         Arm_relocate_functions::abs16): Use correct check for overflow
2124         specified in the ARM ELF specs.
2125         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
2126         target of a BLX instruction specially.
2127         (Reloc_stub::stub_type_for_reloc): Ditto.
2128         (Relocate::relocate): Use symbolic names instead of numeric relocation
2129         codes to report error.
2130         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
2131         workaround.
2132         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
2133         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
2134         thumb2_blx_out_of_range.stdout
2135         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
2136         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
2137         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
2138         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
2139         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
2140         thumb2_blx_in_range, thumb2_blx_in_range.o,
2141         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
2142         thumb2_blx_out_of_range.o): New rules.
2143         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
2144         thumb2_blx_in_range and thumb2_blx_out_of_range.
2145         * testsuite/Makefile.in: Regenerate.
2146         * arm_branch_in_range.sh: Add tests for THUMB BLX.
2147         * testsuite/thumb_blx_in_range.s: New file.
2148         * testsuite/thumb_blx_out_of_range.s: New file.
2150 2010-03-22  Rafael Espindola  <espindola@google.com>
2152         * archive.cc (Should_include): Move to archive.h.
2153         (should_include_member): Make it a member of Archive.
2154         (Lib_group): New.
2155         (Add_lib_group_symbols): New.
2156         * archive.h: Include options.h.
2157         (Archive_member): Moved from Archive.
2158         (Should_include): Moved from archive.cc.
2159         (Lib_group): New.
2160         (Add_lib_group_symbols): New.
2161         * dynobj.cc (do_should_include_member): New.
2162         * dynobj.h (do_should_include_member): New.
2163         * gold.cc (queue_initial_tasks): Update call to queue.
2164         * main.cc (main): Print lib group stats.
2165         * object.cc (do_should_include_member): New.
2166         * object.h: Include archive.h.
2167         (Object::should_include_member): New.
2168         (Object::do_should_include_member): New.
2169         (Sized_relobj::do_should_include_member): New.
2170         * options.cc (General_options::parse_start_lib): New.
2171         (General_options::parse_end_lib): New.
2172         (Input_arguments::add_file): Handle lib groups.
2173         (Input_arguments::start_group): Check we are not in a lib.
2174         (Input_arguments::start_lib): New.
2175         (Input_arguments::end_lib): New.
2176         * options.h (General_options): Add start_lib and end_lib.
2177         (Input_argument::lib_): New.
2178         (Input_argument::lib): New.
2179         (Input_argument::is_lib): New.
2180         (Input_file_lib): New.
2181         (Input_arguments::in_lib_): New.
2182         (Input_arguments::in_lib): New.
2183         (Input_arguments::start_lib): New.
2184         (Input_arguments::end_lib_): New.
2185         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
2186         in unused members as preempted.
2187         (Sized_pluginobj::do_should_include_member): New.
2188         * plugin.h (Sized_pluginobj::do_should_include_member): New.
2189         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
2190         return the blocker.
2191         (Read_symbols::do_whole_lib_group): New.
2192         (Read_symbols::do_lib_group): New.
2193         (Read_symbols::do_read_symbols): Handle lib groups.
2194         (Read_symbols::get_name): Handle lib groups.
2195         * readsyms.h (Read_symbols): Add an archive member pointer.
2196         (Read_symbols::do_whole_lib_group): New.
2197         (Read_symbols::do_lib_group): New.
2198         (Read_symbols::member_): New.
2199         * script.cc (read_input_script): Update call to queue_soon.
2201 2010-03-19  Doug Kwan  <dougkwan@google.com>
2203         * arm.cc (Stub_table::Stub_table): Initialize new data members
2204         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2205         (Stub_table::add_reloc_stub): Assign stub offset and update
2206         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
2207         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
2208         New data members.
2209         (Stub_table::update_data_size_and_addralign): Use
2210         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
2211         instead of going over all reloc stubs.
2212         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
2213         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2214         Stringpool_template::offset_ to size of Stringpool_char.
2215         (Stringpool_template::new_key_offset): Remove code to initialize
2216         Stringpool_template::offset_.
2217         * stringpool.h (Stringpool_template::set_no_zero_null): Set
2218         Stringpool_template::offset_ to zero.
2220 2010-03-15  Doug Kwan  <dougkwan@google.com>
2222         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
2223         offset_.
2224         (Stringpool_template::new_key_offset): New method.
2225         (Stringpool_template::add_string): Assign offsets when adding new
2226         strings.
2227         (Stringpool_template::set_string_offsets): Do not set string offsets
2228         when not optimizing.
2229         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
2230         member size_.
2231         (Chunked_vector::clear): Clear size_.
2232         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
2233         (Chunked_vector::size): Return size_.
2234         (Chunked_vector::push_back): Use size_ to find insert position.
2235         (Chunked_vector::size_): New data member.
2236         (Stringpool_template::set_no_zero_null): Assert string set is empty.
2237         (Stringpool_template::new_key_offset): New method declaration.
2238         (Stringpool_template::offset_): New data member.
2240 2010-03-15   Rafael Espindola  <espindola@google.com>
2242         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
2243         Add_symbols' constructor.
2244         * readsyms.h (Add_symbols): Remove the input_group member.
2246 2010-03-10  Ian Lance Taylor  <iant@google.com>
2248         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
2249         target to ask whether a reference to a symbol requires a stack
2250         split.
2251         * target.h (Target::is_call_to_non_split): New function.
2252         (Target::do_is_call_to_non_split): Declare virtual function.
2253         * target.cc: Include "symtab.h".
2254         (Target::do_is_call_to_non_split): New function.
2255         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
2257 2010-03-10  Cary Coutant  <ccoutant@google.com>
2259         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2260         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2261         (File_read::open[2]): Add whole_file_view_ to list of views.
2262         (File_read::make_view): Remove test of whole_file_view_.
2263         (File_read::find_or_make_view): Create whole_file_view_ if
2264         necessary.
2265         (File_read::clear_views): Replace bool parameter with enum;
2266         adjust all callers.  Don't delete views with permanent data;
2267         do delete cached views and views from archives if
2268         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2269         if clearing the corresponding view.
2270         * fileread.h (File_read::Clear_views_mode): New enum.
2271         (File_read::View::is_permanent_view): New method.
2272         (File_read::clear_views): Replace bool parameter
2273         with enum; adjust all callers.
2274         * options.h (General_options): Change keep_files_mapped option;
2275         add map_whole_files.
2276         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2277         releasing the file.
2278         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2279         the file.
2281 2010-03-10  David S. Miller  <davem@davemloft.net>
2283         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2285 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2287         * icf.cc (get_section_contents): Add '@' marker after processing the
2288         merge reloc.
2290 2010-03-08  Doug Kwan  <dougkwan@google.com>
2292         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2293         due to a conversion warning.
2294         (Arm_relobj::update_output_local_symbol_count): Check for local
2295         symbol with unset output index.
2297 2010-03-05  Ian Lance Taylor  <iant@google.com>
2299         * options.h (class General_options): Add --spare-dynamic-tags.
2300         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2301         --spare-dynamic-tags.
2303 2010-03-05  Ian Lance Taylor  <iant@google.com>
2305         * incremental.cc: Include "libiberty.h".
2307 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2309         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2310         function, is_info_ member.
2311         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2312         (Versions::Versions): Update caller.
2313         (Versions::define_base_version): Likewise.
2314         (Versions::add_def): Likewise.
2316 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2318         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2319         (Scan::possible_function_pointer_reloc): New function.
2320         (Scan::local_reloc_may_be_function_pointer): Change to call
2321         possible_function_pointer_reloc.
2322         (Scan::global_reloc_may_be_function_pointer): Ditto.
2323         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2324         relocations in ".data.rel.ro._ZTV" section.
2325         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2326         * testsuite/icf_safe_so_test.cc: Ditto.
2327         * testsuite/icf_safe_test.cc: Ditto.
2328         * testsuite/icf_safe_test.sh: Ditto.
2330 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2331             Ian Lance Taylor  <iant@google.com>
2333         * target-reloc.h (relocate_section): Check the symbol table index
2334         for -1U before setting the local symbol index.
2335         (scan_relocatable_relocs): If copying the relocation, record that
2336         the local symbol is required.
2337         * object.h (Symbol_value::is_output_symtab_index_set): New
2338         function.
2339         (Symbol_value::may_be_discarded_from_output_symtab): New
2340         function.
2341         (Symbol_value::has_output_symtab_entry): New function.
2342         (Symbol_value::needs_output_symtab_entry): Remove.
2343         (Symbol_value::output_symtab_index): Make sure the symbol index is
2344         set.
2345         (Symbol_value::set_output_symtab_index): Make sure the symbol
2346         index is not set.  Make sure the new index is valid.
2347         (Symbol_value::set_must_have_output_symtab_entry): New function.
2348         (Symbol_value::has_output_dynsym_entry): New function.
2349         (Symbol_value::set_output_dynsym_index): Make sure the new index
2350         is valid.
2351         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2352         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2353         local symbol if permitted.
2354         (Sized_relobj::do_finalize_local_symbols): Call
2355         is_output_symtab_index_set rather than needs_output_symtab_entry.
2356         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2357         rather than needs_output_symtab_entry.  Call
2358         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2359         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2360         is_output_symtab_index_set rather than needs_output_symtab_entry.
2361         * testsuite/discard_locals_relocatable_test.c: New file.
2362         * testsuite/discard_locals_test.sh: Test -r.
2363         * testsuite/Makefile.am (check_DATA): Add
2364         discard_locals_relocatable_test1.syms,
2365         discard_local_relocatable_test2.syms.
2366         (MOSTLYCLEANFILES): Likewise.  Also add
2367         discard_locals_relocatable_test1.lout and
2368         discard_locals_relocatable_test2.out.
2369         (discard_locals_relocatable_test1.syms): New target.
2370         (discard_locals_relocatable_test.o): New target.
2371         (discard_locals_relocatable_test1.out): New target.
2372         (discard_locals_relocatable_test2.syms): New target.
2373         (discard_locals_relocatable_test2.out): New target.
2374         (various): Add missing ../ld-new dependencies.
2375         * testsuite/Makefile.in: Rebuild.
2377 2010-03-03  Nick Clifton  <nickc@redhat.com>
2379         * po/fi.po: New Finnish translation.
2381 2010-03-01  Doug Kwan  <dougkwan@google.com>
2383         * layout.cc (Layout::Layout): Force section types of .init_array*,
2384         .preinit_array* and .fini_array* sections.
2385         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2386         Fix check of return value of std::string::find.().
2387         (Output_section::Input_section_sort_compare::operator()): Remove
2388         comment about .init_array.
2389         (Output_section::Input_section_sort_init_fini_compare::operator()):
2390         New method.
2391         (Output_section::sort_attached_input_sections): Handle .init_array
2392         and .fini_array specially.
2393         * output.h (Output_section::Inut_section_sort_compare): Update
2394         comment.
2395         (Output_section::Input_section_sort_init_fini_compare): New struct.
2397 2010-02-26  Doug Kwan  <dougkwan@google.com>
2399         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2400         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2401         * testsuite/debug_msg.sh: Avoid matching source line number for
2402         use of global variable undef_int.
2404 2010-02-26  Doug Kwan  <dougkwan@google.com>
2406         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2407         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2408         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2409         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2410         * options.cc (General_options::General_options): Initialize member
2411         fix_v4bx_.
2412         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2413         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2414         and rm_no_fix_v4bx.stdout
2415         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2416         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2417         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2418         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2419         and arm_no_fix_v4bx.
2420         * Makefile.in: Regenerate.
2421         * testsuite/arm_fix_v4bx.s: New file.
2422         * testsuite/arm_fix_v4bx.sh: Ditto.
2424 2010-02-24  Doug Kwan  <dougkwan@google.com>
2426         * arm.cc (Target_arm::got_section): Make the .got section the first
2427         non RELRO section in the data segment.
2428         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2429         suffixes of section names.
2431 2010-02-24  Doug Kwan  <dougkwan@google.com>
2433         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2434         flags and attributes merging if an input file is a binary file.
2435         * fileread.cc (Input_file::open): Record format of original file.
2436         * fileread.h (Input_file::Format): New enum type.
2437         (Input_file::Input_file): Initialize data member format_.
2438         (Input_file::format): New method definition.
2439         (Input_file::format_):: New data member.
2441 2010-02-24  Doug Kwan  <dougkwan@google.com>
2443         * arm.cc (Arm_output_data_got): New class.
2444         (ARM_TCB_SIZE): New constant
2445         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2446         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2447         If user uses a script with a SECTIONS clause, issue only a warning
2448         for a misplaced EXIDX input section.  Otherwise, issue an error.
2449         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2450         garbage collection.
2451         (Target_arm::got_mode_index_entry): Handle static linking.
2452         (Target_arm::Scan::local): Ditto.
2453         (Target_arm::Scan::global): Ditto.
2454         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2455         all incorrectly implemented relocations.
2456         (Target_arm::fix_exidx_coverage): Pass layout to
2457         Arm_output_section::fix_exidx_coverage.
2458         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2459         from ".ARM.exidx." and ".ARM.extab.".
2461 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2463         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2464         section if it does not already exist.
2465         * attributes.cc (Attributes_section_data::Attributes_section_data):
2466         Don't crash if size is zero.
2468 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2469             Ian Lance Taylor  <iant@google.com>
2471         * gold.cc (queue_middle_tasks): If no input files were opened,
2472         exit.
2473         * workqueue.h (Task_function::Task_function): Assert that there is
2474         a blocker.
2476 2010-02-22  Doug Kwan  <dougkwan@google.com>
2478         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2479         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2480         types to avoid warnings due to different uint64_t implementations
2481         on different hosts.
2483 2010-02-21  Doug Kwan  <dougkwan@google.com>
2485         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2486         handling of the maximum backward branch offset.
2487         (Arm_relocate_functions::thumb_branch_common): Ditto.
2488         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2489         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2490         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2491         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2492         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2493         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2494         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2495         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2496         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2497         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2498         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2499         thumb2_bl_out_of_range.o): New rules.
2500         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2501         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2502         thumb2_bl_out_of_range
2503         * testsuite/Makefile.in: Regenerate.
2504         * testsuite/arm_bl_in_range.s: New file.
2505         * testsuite/arm_bl_out_of_range.s: Ditto.
2506         * testsuite/arm_branch_in_range.sh: Ditto.
2507         * testsuite/arm_branch_range.t: Ditto.
2508         * testsuite/thumb2_branch_range.t: Ditto.
2509         * testsuite/thumb_bl_in_range.s: Ditto.
2510         * testsuite/thumb_bl_out_of_range.s: Ditto.
2511         * testsuite/thumb_branch_range.t: Ditto.
2513 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2515         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2516         Add reloc offset information.
2517         * icf.cc (get_section_contents): Change iterators to point to the new
2518         vectors. Add reloc offset information to the contents.
2519         * icf.h (Icf::Sections_reachable_info): New typedef.
2520         (Icf::Sections_reachable_list): New typedef.
2521         (Icf::Offset_info): New typedef.
2522         (Icf::Reloc_info): New struct typedef.
2523         (Icf::Reloc_info_list): New typedef.
2524         (Icf::symbol_reloc_list): Delete method.
2525         (Icf::addend_reloc_list): Delete method.
2526         (Icf::section_reloc_list): Delete method.
2527         (Icf::reloc_info_list): New method.
2528         (Icf::reloc_info_list_): New member.
2530 2010-02-19  Doug Kwan  <dougkwan@google.com>
2532         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2533         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2534         * arm.cc (Arm_relocation_functions): New forward declaration.
2535         (Target_arm::Target_arm): Initialize new data members
2536         got_mod_index_offset_ and tls_base_symbol_defined_.
2537         (Target_arm::Relocate::relocate_tls): New method.
2538         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2539          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2540         New methods.
2541         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2542         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2543         (Target_arm::got_mod_index_offset_,
2544         Target_arm::tls_base_symbol_defined_): New data members.
2545         (Target_arm::Scan::local, Target::Scan::global,
2546         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2547         relocations.
2549 2010-02-18  Doug Kwan  <dougkwan@google.com>
2551         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2552         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2553         text section as a parameter becuase some broken tools may not set
2554         the link in section header.
2555         (Target_arm::has_got_section): New method.
2556         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2557         without any mapping symbol as data only.  Remove warning.
2558         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2559         link in its section header, try to discover the link by inspecting the
2560         REL31 relocation at the beginning of the section.
2561         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2562         in error message.
2563         (Target_arm::Scan::global): Treat any reference to the symbol
2564         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2566 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2568         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2569         (Scan::global_reloc_may_be_function_pointer): New function.
2570         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2571         (Scan::global_reloc_may_be_function_pointer): New function.
2572         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2573         (Scan::global_reloc_may_be_function_pointer): New function.
2574         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2575         (Scan::global_reloc_may_be_function_pointer): New function.
2576         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2577         (Scan::global_reloc_may_be_function_pointer): New function.
2578         (Scan::possible_function_pointer_reloc): New function.
2579         (Target_x86_64::can_check_for_function_pointers): New function.
2580         * gc.h (gc_process_relocs): Scan relocation types to determine if
2581         function pointers were taken for targets that support it.
2582         * icf.cc (Icf::find_identical_sections): Include functions for
2583         folding in safe ICF whose pointer is not taken.
2584         * icf.h (Secn_fptr_taken_set): New typedef.
2585         (fptr_section_id_): New member.
2586         (section_has_function_pointers): New function.
2587         (set_section_has_function_pointers): New function.
2588         (check_section_for_function_pointers): New function.
2589         * options.h: Fix comment for safe ICF option.
2590         * target.h (can_check_for_function_pointers): New function.
2591         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2592         Modify icf_safe_test for X86-64.
2593         * testsuite/Makefile.in: Regenerate.
2594         * testsuite/icf_safe_so_test.cc: New file.
2595         * testsuite/icf_safe_so_test.sh: New file.
2596         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2597         (main): Change to take pointer to function kept_func_3.
2598         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2599         folding is done correctly for X86-64.
2601 2010-02-12  David S. Miller  <davem@davemloft.net>
2603         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2604         is_symbolless parameter.
2605         (Output_reloc<SHT_REL>::is_symbolless): New.
2606         (Output_reloc<SHT_REL>::is_symbolless_): New.
2607         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2608         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2609         (Output_reloc<SHT_RELA>::is_symbolless): New.
2610         (Output_data_reloc::add_global): Handle is_symbolless.
2611         (Output_data_reloc::add_global_relative): Likewise.
2612         (Output_data_reloc::add_local): Likewise.
2613         (Output_data_reloc::add_local_relative): Likewise.
2614         (Output_data_reloc::add_symbolless_global_addend): New.
2615         (Output_data_reloc::add_symbolless_local_addend): New.
2616         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2617         is_symbolless.
2618         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2619         instead of ->is_relative_
2620         (Output_reloc::write): Likewise.
2621         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2622         (Output_reloc::write_rel): Simplify.
2624         * sparc.cc (Target_sparc::Scan::local): Use
2625         ->add_symbolless_local_addend as needed.
2626         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2627         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2628         based upon relocation offset.
2630 2010-02-11  Doug Kwan  <dougkwan@google.com>
2632         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2633         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2634         beginning of function.
2635         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2636         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2637         parameter is_32bit in calls to should_apply_static_reloc.
2638         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2639         (check_DATA): Add arm_abs_global.stdout.
2640         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2641         arm_abs_global.stdout): New rules.
2642         (MOSTLLYCLEANFILES): Add arm_abs_global
2643         * Makefile.in: Regenerate.
2644         * testsuite/arm_abs_global.s: New file.
2645         * testsuite/arm_abs_global.sh: Ditto.
2646         * testsuite/arm_abs_lib.s: Ditto.
2648 2010-02-11  Ian Lance Taylor  <iant@google.com>
2650         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2651         Read_relocs task.
2652         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2653         Allocate_commons_task first.
2654         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2655         task, rather than symtab_lock_.
2656         (Gc_process_relocs::~Gc_process_relocs): New function.
2657         (Gc_process_relocs::is_runnable): Check this_blocker_.
2658         (Gc_process_relocs::locks): Use next_blocker_ rather than
2659         blocker_.
2660         (Scan_relocs::~Scan_relocs): New function.
2661         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2662         symtab_lock_.
2663         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2664         next_blocker_.
2665         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2666         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2667         constructor accordingly.
2668         (class Gc_process_relocs): Likewise.
2669         (class Scan_relocs): Likewise.
2670         * common.h (class Allocate_commons_task): Remove symtab_lock_
2671         field, and corresponding constructor parameter.
2672         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2673         symtab_lock_.
2674         (Allocate_commons_task::locks): Likewise.
2676 2010-02-11  Ian Lance Taylor  <iant@google.com>
2678         * gold-threads.h (class Once): Define.
2679         (class Initialize_lock): Rewrite as child of Once.
2680         * gold-threads.cc (class Once_initialize): Define.
2681         (once_pointer_control): New static variable.
2682         (once_pointer, once_arg): New static variables.
2683         (c_run_once): New static function.
2684         (Once::Once, Once::run_once, Once::internal_run): New functions.
2685         (class Initialize_lock_once): Remove.
2686         (initialize_lock_control): Remove.
2687         (initialize_lock_pointer): Remove.
2688         (initialize_lock_once): Remove.
2689         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2690         (Initialize_lock::initialize): Rewrite.
2691         (Initialize_lock::do_run_once): New function.
2692         * archive.cc (Archive::interpret_header): Only clear name if it is
2693         not already empty.
2694         * fileread.cc: Include "gold-threads.h"
2695         (file_counts_lock): New static variable.
2696         (file_counts_initialize_lock): Likewise.
2697         (File_read::release): Only increment counts when using --stats.
2698         Use a lock around the increment.
2699         * parameters.cc (class Set_parameters_target_once): Define.
2700         (set_parameters_target_once): New static variable.
2701         (Parameters::Parameters): Move here from parameters.h.
2702         (Parameters::set_target): Rewrite.
2703         (Parameters::set_target_once): New function.
2704         (Parameters::clear_target): Move here and rewrite.
2705         * parameters.h (class Parameters): Update declarations.  Add
2706         set_parameters_target_once_ field.
2707         (Parameters::Parameters): Move to parameters.cc.
2708         (Parameters::clear_target): Likewise.
2709         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2710         task.
2711         (Start_group::~Start_group): New function.
2712         (Start_group::is_runnable): New function.
2713         (Start_group::locks, Start_group::run): New functions.
2714         (Finish_group::run): Change saw_undefined to size_t.
2715         * readsyms.h (class Start_group): Define.
2716         (class Finish_group): Change saw_undefined_ field to size_t.
2717         (Finish_group::Finish_group): Remove saw_undefined and
2718         this_blocker parameters.  Change all callers.
2719         (Finish_group::set_saw_undefined): New function.
2720         (Finish_group::set_blocker): New function.
2721         * symtab.h (class Symbol_table): Change saw_undefined to return
2722         size_t.  Change saw_undefined_ field to size_t.
2723         * target-select.cc (Set_target_once::do_run_once): New function.
2724         (Target_selector::Target_selector): Initialize set_target_once_
2725         field.  Don't initialize lock_ and initialize_lock_ fields.
2726         (Target_selector::instantiate_target): Rewrite.
2727         (Target_selector::set_target): New function.
2728         * target-select.h (class Set_target_once): Define.
2729         (class Target_selector): Update declarations.  Make
2730         Set_target_once a friend.  Remove lock_ and initialize_lock_
2731         fields.  Add set_target_once_ field.
2733 2010-02-10  Ian Lance Taylor  <iant@google.com>
2735         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2736         queueing any tasks.
2737         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2738         (queue_middle_tasks): Add all blockers before queueing any tasks.
2739         (queue_final_tasks): Likewise.
2740         * token.h (Task_token::add_blockers): New function.
2741         * object.h (Input_objects::number_of_relobjs): New function.
2743 2010-02-10  Ian Lance Taylor  <iant@google.com>
2745         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2746         shared, not if not position independent.
2747         * x86_64.cc (Relocate::relocate_tls): Likewise.
2748         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2749         (tls_pie_pic_test): New target.
2750         * testsuite/Makefile.in: Rebuild.
2752         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2753         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2754         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2755         * testsuite/Makefile.in: Rebuild.
2757 2010-02-09  David S. Miller  <davem@davemloft.net>
2759         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2760         R_SPARC_RELATIVE using ->add_local_relative().
2761         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2763         * output.h (Output_data_dynamic::add_section_size): New method
2764         that takes two Output_data objects.
2765         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2766         entry param.  Handle it in initializers.
2767         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2768         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2769         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2770         arg.
2771         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2772         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2773         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2774         for dynrel_includes_plt.
2775         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2776         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2777         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2778         before .rela.plt
2779         (Target_sparc::do_finalize_sections): Update to pass true for
2780         dynrel_includes_plt.
2781         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2782         output before .rela.plt
2783         (Target_powerpc::do_finalize_sections): Update to pass true for
2784         dynrel_includes_plt when 32-bit.
2786 2010-02-08  Doug Kwan  <dougkwan@google.com>
2788         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2789         method.
2790         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2791         Arm_relobj::scan_section_for_cortex_a8_stubs,
2792         Arm_relobj::do_relocation_section): Instead of calling
2793         Output_section::output_address, use faster
2794         Arm_relobj::simple_input_section_output_address.
2796 2010-02-08  David S. Miller  <davem@davemloft.net>
2798         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2799         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2800         relocation helper function.
2802         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2803         just like R_SPARC_GOT{10,13,22}.
2804         (Target_sparc::Scan::local): Likewise.
2805         (Target_sparc::Relocate:relocate): Likewise.
2807 2010-02-06  Ian Lance Taylor  <iant@google.com>
2809         * configure.ac: Rewrite targetobjs duplicate removal code to use
2810         only shell constructs.
2811         * configure: Rebuild.
2813 2010-02-05  Doug Kwan  <dougkwan@google.com>
2815         PR 11247
2816         * arm.cc (Arm_relobj::section_is_scannable): New method.
2817         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
2818         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2820 2010-02-04  Doug Kwan  <dougkwan@google.com>
2822         PR 11247
2823         * arm-reloc-property.cc (cstdio): Include.
2824         * configure.ac (targetobjs): Remove duplicates.
2825         * configure: Regenerate.
2826         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
2827         big and little endian version for a given address size.
2829 2010-02-03  Doug Kwan  <dougkwan@google.com>
2831         * arm-reloc-property.cc
2832         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2833         definition.
2834         * arm-reloc-property.h
2835         (Arm_reloc_property_table::get_implemented_static_reloc_property):
2836         New method definition.
2837         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2838         declaration.
2839         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
2840         overflow to N.
2841         (GOT_PREL): Change implemented to Y.
2842         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
2843         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
2844         (Arm_relocate_functions::movw_abs_nc): Remove method.
2845         (Arm_relocate_functions::movt_abs): Ditto.
2846         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
2847         (Arm_relocate_functions::thm_movt_abs): Ditto.
2848         (Arm_relocate_functions::movw_rel_nc): Ditto.
2849         (Arm_relocate_functions::movw_rel): Ditto.
2850         (Arm_relocate_functions::movt_rel): Ditto.
2851         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
2852         (Arm_relocate_functions:thm_movw_rel): Ditto.
2853         (Arm_relocate_functions:thm_movt_rel): Ditto.
2854         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
2855         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
2856         New method definitions.
2857         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
2858         (Arm_relocation_functions::arm_grp_ldr): Ditto.
2859         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
2860         (Arm_relocation_functions::arm_grp_ldc): Ditto.
2861         (Target_arm::Relocate::relocate): Check for non-static or
2862         unimplemented relocation code and exit early.  Change calls to
2863         Target_arm::reloc_uses_thumb_bit and
2864         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
2865         instead.  Refactor code to handle similar relocations to increase
2866         code sharing.  Remove check for unsupported relocation code in switch
2867         statement.
2868         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
2869         relocation property table to find out size.  Change error message to
2870         print out the name of a relocation code instead of the numeric value.
2871         (Target_arm::scan_reloc_for_stub): Use relocation property table
2872         instead of calling Target_arm::reloc_uses_thumb_bit().
2874 2010-02-02  Doug Kwan  <dougkwan@google.com>
2876         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
2877         types of relaxed input section.
2879 2010-02-02  Doug Kwan  <dougkwan@google.com>
2881         * Makefile.am (HFILES): Add arm-reloc-property.h.
2882         (DEFFILES): New.
2883         (TARGETSOURCES): Add arm-reloc-property.cc
2884         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
2885         (libgold_a_SOURCES): $(DEFFILES)
2886         * Makefile.in: Regenerate.
2887         * arm-reloc-property.cc: New file.
2888         * arm-reloc-property.h: New file.
2889         * arm-reloc.def: New file.
2890         * arm.cc: Update comments.
2891         (arm-reloc-property.h): New included header.
2892         (arm_reloc_property_table): New global variable.
2893         (Target_arm::do_select_as_default_target): New method definition.
2894         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
2895         arm-reloc-property to targ_extra_obj.
2896         * parameters.cc (set_parameters_target): Call
2897         Target::select_as_default_target().
2898         * target.h (Target::select_as_default_target): New method definition.
2899         (Target::do_select_as_default_target): Same.
2901 2010-02-01  Doug Kwan  <dougkwan@google.com>
2903         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
2904         first_output_text_section_.
2905         (Arm_exidx_fixup::first_output_text_section): New method definition.
2906         (Arm_exidx_fixup::first_output_text_section_): New data member.
2907         (Arm_exidx_fixup::process_exidx_section): Record the first text
2908         output section seen.
2909         (Arm_output_section::fix_exidx_coverage): Set correct linked section
2910         and entsize in output section header.
2912 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2914         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
2915         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
2916         (Arm_relocate_functions::thm_alu11): New Method.
2917         (Arm_relocate_functions::thm_pc8): New Method.
2918         (Arm_relocate_functions::thm_pc12): New Method.
2919         (Target_arm::Scan::local): Handle the relocations.
2920         (Target_arm::Scan::global): Likewise.
2921         (Target_arm::Relocate::relocate): Likewise.
2922         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2924 2010-01-29  Doug Kwan  <dougkwan@google.com>
2926         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
2927         of relocation types as ld.
2929 2010-01-29  Doug Kwan  <dougkwan@google.com>
2931         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
2932         to public.
2933         (Arm_relocate_functions::thumb_branch_common): Ditto.
2934         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
2935         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
2936         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
2937         Arm_relocate_functions::jump24): Remove.
2938         (Target_arm::Relocate::relocate): Adjust code to call
2939         Arm_relocation_functions::arm_branch_common and
2940         Arm_relocation_functions::thumb_branch_common instead of their removed
2941         wrappers.  Merge switch-cases together to reduce source code size.
2943 2010-01-29  Doug Kwan  <dougkwan@google.com>
2945         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
2946         output_local_symbol_count_needs_update_.
2947         (Arm_relobj::output_local_symbol_count_needs_update,
2948          Arm_relobj::set_output_local_symbol_count_needs_update,
2949          Arm_relobj::update_output_local_symbol_count): New methods.
2950         (Arm_relobj::output_local_symbol_count_needs_update_): New data
2951         member.
2952         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
2953         of pointed function as in a R_ARM_PREL31 relocation.
2954         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
2955         for output local symbol count updating.
2956         (Target_arm::do_relax): Update output local symbol counts in objects
2957         if necessary.
2958         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
2960 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2962         * arm.cc: Added support for the ARM relocations:
2963         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
2964         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
2965         (Arm_relocate_functions::movw_rel_nc): Renamed (was
2966         movw_prel_nc).
2967         (Arm_relocate_functions::movw_rel): New method.
2968         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
2969         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
2970         thm_movw_prel_nc).
2971         (Arm_relocate_functions::thm_movw_rel): New method.
2972         (Arm_relocate_functions::thm_movt_rel): Renamed (was
2973         thm_movt_prel).
2974         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
2975         relocations.
2976         (Target_arm::Scan::global): Likewise.
2977         (Target_arm::Relocate::relocate): Likewise.
2978         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2979         Likewise.
2981 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2983         * arm.cc: Added support for ARM group relocations.
2984         (Target_arm::reloc_needs_sym_origin): New method.
2985         (Arm_relocate_functions::calc_grp_kn): New method.
2986         (Arm_relocate_functions::calc_grp_residual): New method.
2987         (Arm_relocate_functions::calc_grp_gn): New method.
2988         (Arm_relocate_functions::arm_grp_alu): New Method.
2989         (Arm_relocate_functions::arm_grp_ldr): New Method.
2990         (Arm_relocate_functions::arm_grp_ldrs): New Method.
2991         (Arm_relocate_functions::arm_grp_ldc): New Method.
2992         (Target_arm::Scan::local): Handle the ARM group relocations.
2993         (Target_arm::Scan::global): Likewise.
2994         (Target_arm::Relocate::relocate): Likewise.
2995         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2996         Likewise.
2998 2010-01-26  Doug Kwan  <dougkwan@google.com>
3000         * arm.cc (set): Include.
3001         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3002         pointer type.
3003         (Arm_output_section::Text_section_list): New type.
3004         (Arm_output_section::append_text_sections_to_list): New method.
3005         (Arm_output_section::fix_exidx_coverage): Ditto.
3006         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3007         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3008         Relobj::set_section_offset() instead of
3009         Sized_relobj::invalidate_section_offset().
3010         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3011         parameter for section headers. Ignore relocation sections for
3012         unallocated sections and EXIDX sections.
3013         (Target_arm::fix_exidx_coverage): New method.
3014         (Target_arm::output_section_address_less_than): New type.
3015         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3016         linked text section instead of the EXIDX section.
3017         (Arm_output_section::create_stub_group): Add an assertion to check
3018         that this is not an EXIDX output section.
3019         (Arm_output_section::append_text_sections_to_list): New method.
3020         (Arm_output_section::fix_exidx_coverage): Ditto.
3021         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3022         Arm_relobj::section_needs_reloc_stub_scanning.
3023         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3024         first pass.
3025         (Target_arm::fix_exidx_coverage): New method.
3026         * object.h (Relobj::set_output_section): New method.
3027         (Sized_relobj::invalidate_section_offset): Remove method.
3028         (Sized_relobj::do_invalidate_section_offset): Remove method.
3029         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3031 2010-01-25  Doug Kwan  <dougkwan@google.com>
3033         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3034         Fix warning due to signed and unsigned comparison on a 32-bit host.
3036 2010-01-22  Doug Kwan  <dougkwan@google.com>
3038         * arm.cc (Target_arm::do_relax): Record an output section for section
3039         offset adjustment it contains any stub table that has changed.
3040         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3041         offsets in an output section if necessary.
3042         * output.cc (Output_section::Output_section): Initialize
3043         section_offsets_need_adjustments_.
3044         (Output_section::add_input_section_for_script): Renamed to
3045         Output_section::add_simple_input_section.
3046         (Output_section::save_states): Add a comment.
3047         (Output_section::discard_states): New method defintion.
3048         (Output_section::adjust_section_offsets): Same.
3049         * output.h (Output_section::add_input_section_for_script): Renamed to
3050         Output_section::add_simple_input_section.
3051         (Output_section::discard_states): New method declaration.
3052         (Output_section::adjust_section_offsets): Same.
3053         (Output_section::section_offsets_need_adjustment,
3054         Output_section::set_section_offsets_need_adjustment): New method
3055         definitions.
3056         (Output_section::section_offsets_need_adjustment_): New data member.
3057         * script-sections.cc
3058         (Output_section_element_input::set_section_address): Adjust code for
3059         renaming of Output_section::add_input_section_for_script.
3060         (Orphan_output_section::set_section_address): Same.
3062 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3064         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3065         Fix_v4bx enum values .
3066         * gold/options.h (General_options): New option definitions.
3067         (General_options::fix_v4bx): New method.
3068         (General_options::Fix_v4bx): New enum.
3069         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3070         (General_options::parse_fix_v4bx_interworking): New method.
3072 2010-01-22  Doug Kwan  <dougkwan@google.com>
3074         * arm.cc (Arm_exidx_fixup): New class.
3076 2010-01-21  Doug Kwan  <dougkwan@google.com>
3078         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3079         classes.
3080         (Arm_exidx_section_offset_map): New type.
3082 2010-01-21  Doug Kwan  <dougkwan@google.com>
3084         * arm.cc (Arm_exidx_input_section): New class.
3085         (Arm_relobj::exidx_input_section_by_link,
3086         Arm_relobj::exidx_input_section_by_shndx,
3087         Arm_relobj::make_exidx_input_section): New methods.
3088         (read_arm_attributes_section): Remove.
3089         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3090         information about them.
3091         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
3092         to here.
3094 2010-01-20  Doug Kwan  <dougkwan@google.com>
3096         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
3097         Input_section_specifier to Section_id.
3098         (Target_arm::new_arm_input_section: Adjust code for change of key
3099         type.
3100         (Target_arm::find_arm_input_section): Ditto.
3101         * gc.h (object.h): Include for Section_id nand Section_id_hash.
3102         (Section_id): Remove.
3103         (Garbage_collection::Section_id_hash): Remove.
3104         * icf.h (object.h): Include for Section_id nand Section_id_hash.
3105         (Section_id): Remove.
3106         (Icf::Section_id_hash): Remove.
3107         * object.h (Section_id, Const_section_id, Section_id_hash,
3108         Const_section_id_hash): New type definitions.
3109         * output.cc (Output_section::add_relaxed_input_section): Change to
3110         use Const_section_id instead of Input_section_specifier as key type.
3111         (Output_section::add_merge_input_section): Ditto.
3112         (Output_section::build_relaxation_map): Change to use Section_id
3113         instead of Input_section_specifier as key type.
3114         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3115         Ditto.
3116         (Output_section::convert_input_sections_to_relaxed_sections): Change
3117         to use Const_section_id instead of Input_section_specifier as key type.
3118         (Output_section::find_merge_section): Ditto.
3119         (Output_section::find_relaxed_input_section): Ditto.
3120         * output.h (Input_section_specifier): Remove class.
3121         (Output_section::Output_section_data_by_input_section_map): Change
3122         key type to Const_section_id.
3123         (Output_section::Output_relaxed_input_section_by_input_section_map):
3124         Ditto.
3125         (Output_section::Relaxation_map): Change key type to Section_id.
3127 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3129         * gold/arm.cc: Added support for R_ARM_V4BX relocation
3130         (class Arm_v4bx_stub): New class.
3131         (DEF_STUBS): Updated definition to support v4_veneer_bx.
3132         (Stub_factory::make_arm_v4bx_stub): New method.
3133         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
3134         (Stub_table::empty): Handle v4bx stubs.
3135         (Stub_table::add_arm_v4bx_stub): New method.
3136         (Stub_table::find_arm_v4bx_stub): New method.
3137         (Arm_relocate_functions::v4bx): New method.
3138         (Target_arm::fix_v4bx): New method.
3139         (Target_arm::Target_arm): Handle R_ARM_V4BX.
3140         (Stub_table::relocate_stubs): Likewise.
3141         (Stub_table::do_write): Likewise.
3142         (Stub_table::update_data_size_and_addralign): Likewise.
3143         (Stub_table::finalize_stubs):  Likewise.
3144         (Target_arm::Scan::local): Likewise.
3145         (Target_arm::Scan::global): Likewise.
3146         (Target_arm::do_finalize_sections): Likewise.
3147         (Target_arm::Relocate::relocate): Likewise.
3148         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3149         Likewise.
3150         (Target_arm::scan_reloc_for_stub): Likewise.
3151         (Target_arm::scan_reloc_section_for_stubs): Likewise.
3153 2010-01-19  Ian Lance Taylor  <iant@google.com>
3155         * output.cc (Output_section_headers::do_sized_write): Write large
3156         segment count to sh_info field.
3157         (Output_file_header::do_sized_write): For large segment count,
3158         write PN_XNUM to e_phnum field.
3160 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3162         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
3163         (Arm_relocate_functions::thm_jump8): New function.
3164         (Arm_relocate_functions::thm_jump11): New function.
3165         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
3166         R_ARM_THM_JUMP11.
3167         (Target_arm::Scan::global): Likewise.
3168         (Target_arm::Relocate::relocate): Likewise.
3169         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3170         Likewise.
3172 2010-01-14  Doug Kwan  <dougkwan@google.com>
3174         * arm.cc (map, utility): Include headers.
3175         (Target_arm::apply_cortex_a8_workaround): New method.
3176         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
3177         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
3178         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
3179         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
3180         the --[no-]fix-cortex-a8 command line options.
3181         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
3182         (Target_arm::relocate_stub): Use addend in instruction template.
3183         * options.h (DEFINE_bool): Set the user-set flag.
3184         (General_options): Add --[no-]-fix-cortex options.
3185         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
3186         : Update fast look-up map after conversion.
3188 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
3190         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
3191         in the first pass of do_layout.
3193 2010-01-13  Doug Kwan  <dougkwan@google.com>
3195         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3196         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
3197         apparent compiler problem of not folding static constant integral
3198         data members of elfcpp::Elf_sizes<32>.
3200 2010-01-13  Doug Kwan  <dougkwan@google.com>
3202         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
3203         Arm_relobj::section_needs_cortex_a8_stub_scanning,
3204         Arm_relobj::scan_section_for_cortex_a8_erratum,
3205         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
3206         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
3207         sections to scan for relocation stubs into a new method
3208         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
3209         relocation and Cortex-A8 stub scanning.
3210         (Target_arm::do_relax): Force stubs to be after stubbed sections
3211         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
3212         the beginning of a new relaxation pass.  Update a comment.
3213         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
3215 2010-01-12  Ian Lance Taylor  <iant@google.com>
3217         * target-reloc.h (visibility_error): New inline function.
3218         (relocate_section): Call visibility_error.
3219         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
3220         (MOSTLYCLEANFILES): Likewise.
3221         (protected_4_pic.o, protected_3.err): New targets.
3222         * testsuite/protected_4.cc: New file.
3224 2010-01-12  Doug Kwan  <dougkwan@google.com>
3226         * arm.cc (Cortex_a8_reloc): New class.
3227         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
3228         and cortex_a8_relocs_info_.
3229         (Target_arm::fix_cortex_a8): New method definition.
3230         (Target_arm::Cortex_a8_relocs_info): New type.
3231         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
3232         New data member declarations.
3233         (Target_arm::scan_reloc_for_stub): Record information about
3234         relocations for THUMB branches that might be exempted from the
3235         Cortex-A8 workaround.
3236         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
3237         at the beginning of a relaxation pass.
3239 2010-01-12  Doug Kwan  <dougkwan@google.com>
3241         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
3242         (Arm_relobj::Mapping_symbol_position,
3243          Arm_reloj::Mapping_symbol_position_less,
3244          Arm_relobj::Mapping_symbols_info): New types.
3245         (Target_arm::is_mapping_symbol_name): New method definition.
3246         (Arm_relobj::do_count_local_symbols): Save information about mapping
3247         symbols.
3249 2010-01-11  Doug Kwan  <dougkwan@google.com>
3251         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
3252         Arm_relocate_functions::thumb32_branch_upper,
3253         Arm_relocate_functions::thumb32_branch_lower,
3254         Arm_relocate_functions::thumb32_cond_branch_offset,
3255         Arm_relocate_functions::thumb32_cond_branch_upper,
3256         Arm_relocate_functions::thumb32_cond_branch_lower,
3257         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
3258         branch offset encoding.
3259         (Arm_relocate_functions::thumb_branch_common): Use new branch
3260         offset encoding methods to avoid code duplication.
3261         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3262         (Stub_addend_reader::operator()): Use new branch encoding method
3263         to avoid code duplication.
3265 2010-01-11  Doug Kwan  <dougkwan@google.com>
3267         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3268         (Target_arm::do_finalize_sections): Define special EXIDX section
3269         symbols only if referenced.
3270         * gc.h (Garbage_collection::add_reference): New method.
3271         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3272         code duplication.
3274 2010-01-11  Ian Lance Taylor  <iant@google.com>
3276         * script.cc (Version_script_info::build_expression_list_lookup):
3277         Change complaing about duplicate wildcard match from error to
3278         warning.
3280         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3281         of 2009-12-30.
3282         (Version_script_info::Version_script_info): Initialize globs_,
3283         default_version_, default_is_global_, and exact_.  Don't
3284         initialize globals_ or locals_.
3285         (Version_script_info::build_lookup_tables): Build local symbols
3286         first.
3287         (Version_script_info::unquote): New function.
3288         (Version_script_info::add_exact_match): New function.
3289         (Version_script_info::build_expression_list_lookup): Remove lookup
3290         parameter.  Add is_global parameter.  Change all callers.  Handle
3291         wildcard pattern specially.  Unquote pattern.  Call
3292         add_exact_match.
3293         (Version_script_info::get_name_to_match): New function.
3294         (Version_script_info::get_symbol_version): New function.
3295         (Version_script_info::get_symbol_version_helper): Remove.
3296         (Version_script_info::check_unmatched_names): Call unquote.
3297         * script.h (class Version_script_info): Change get_symbol_version
3298         to be non-inline and add is_global parameter; change all callers.
3299         Rewrite symbol_is_local.  Update declarations.  Define struct
3300         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3301         Remove globals_ and locals_ members.  Add exact_, globs_,
3302         default_version_, is_global_.
3303         (Version_script_info::Glob): Remove pattern, add expression and
3304         is_global.  Update constructor.  Change all callers.
3305         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3306         default version.
3307         (Versions::symbol_section_contents): If a symbol is undefined, or
3308         defined in a dynamic object, set the version index to
3309         VER_NDX_LOCAL.
3310         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3311         symbol_is_local.
3312         (Symbol_table::add_from_pluginobj): Likewise.
3313         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3315 2010-01-11  Doug Kwan  <dougkwan@google.com>
3317         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3318         (incremental_dump_LDADD): Add linking option for libintl.
3319         * Makefile.in: Regenerate.
3321 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3323         PR gold/11144
3324         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3325         instead of -Ds.
3326         * testsuite/Makefile.in: Regenerated.
3328 2010-01-10  Doug Kwan  <dougkwan@google.com>
3330         * options.h (DEFINE_var): Use parentheses around argument varname__
3331         in macro body to avoid any unintended subsequent substitutions.
3333 2010-01-10  Ian Lance Taylor  <iant@google.com>
3335         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3336         candidates before doing symbol resolution.
3338         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3339         ODR candidates if only one is weak.
3341 2010-01-08  Ian Lance Taylor  <iant@google.com>
3343         * script.cc (Version_script_info::build_expression_list_lookup):
3344         Don't warn about ambiguous version, just record the ambiguity.
3345         (Version_script_info::get_symbol_version_helper): Give error if
3346         version is ambiguous.
3348 2010-01-08  Doug Kwan  <dougkwan@google.com>
3350         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3351           prev_data_size_ and prev_addralign_.  Remove initializer for
3352           deleted data member has_been_changed_.
3353           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3354           to determine if the table is empty.
3355           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3356           Remove.
3357           (Stub_table::add_reloc_stub): Define method in class definition
3358           instead of just declaring it there.
3359           (Stub_table::add_cortex_a8_stub): New method definition.
3360           (Stub_table::update_data_size_and_addralign): Ditto.
3361           (Stub_table::finalize_stubs): Ditto.
3362           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3363           (Stub_table::do_addralign_): Return address alignment in the
3364           (Stub_table::do_reset_address_and_file_offset): Define method in
3365           class definition instead of declaring it there.  Set current data
3366           size to be the data size of the previous pass.
3367           (Stub_table::set_final_data_size): Use current data size as the
3368           final data size.
3369           (Stub_table::relocate_stub): Change parameter type of stub from
3370           Reloc_stub pointer to Stub pointer.
3371           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3372           (Stub_table::Cortex_a8_stub_list): New typedef.
3373           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3374            Stub_table::prev_addralign_): New data member.
3375           (Arm_relobj::Arm_relobj): Initialize data member
3376           section_has_cortex_a8_workaround_.
3377           (Arm_relobj::section_has_cortex_a8_workaround,
3378            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3379            definitions.
3380           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3381           declarations.
3382           (Target_arm::relocate_stub): Change parameter type of stub from
3383           Reloc_stub pointer to Stub pointer.
3384           (Insn_template::size, Insn_template::alignment): Handle
3385           THUMB16_SPECIAL_TYPE.
3386           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3387            Stub_table::update_data_size_and_addralign,
3388            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3389           definitions.
3390           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3391           (Stub_table::do_write): Ditto.
3392           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3394 2010-01-08  Ian Lance Taylor  <iant@google.com>
3396         PR 11108
3397         * symtab.h (class Symbol): Remove fields is_target_special_ and
3398         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3399         (Symbol::is_defined_in_discarded_section): New function.
3400         (Symbol::set_is_defined_in_discarded_section): New function.
3401         (Symbol::has_plt_offset): Rewrite.
3402         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3403         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3404         Don't initialize is_target_special_ or has_plt_offset_.
3405         Initialize is_defined_in_discarded_section_.
3406         (Symbol_table::add_from_relobj): If appropriate, set
3407         is_defined_in_discarded_section.
3408         * resolve.cc (Symbol::override_base_with_special): Don't test
3409         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3410         * target-reloc.h (relocate_section): Do special handling for
3411         symbols defined in discarded sections for global symbols as well
3412         as local symbols.
3414 2010-01-08  Ian Lance Taylor  <iant@google.com>
3416         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3417         the SHT_SYMTAB case.
3419 2010-01-08  Ian Lance Taylor  <iant@google.com>
3421         * object.cc (Sized_relobj::do_layout): Don't get confused if
3422         layout_eh_frame returns NULL.
3424 2010-01-08  Ian Lance Taylor  <iant@google.com>
3426         PR 11084
3427         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3428         dynamic symbol table, use the normal symbol table.
3429         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3430         symbol table.
3432 2010-01-08  Ian Lance Taylor  <iant@google.com>
3434         PR 11072
3435         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3436         sections.
3438 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3440         * version.cc (print_version): Change to "Copyright 2010".
3442 2010-01-08  Ian Lance Taylor  <iant@google.com>
3444         PR 10287
3445         PR 11063
3446         * i386.cc (class Target_i386): Change return type of plt_section
3447         to be non-const.
3448         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3449         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3450         tls_desc_rel_ field.
3451         (Output_data_plt_i386::rel_tls_desc): New function.
3452         (Target_i386::rel_tls_desc_section): New function.
3453         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3454         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3455         R_386_TLS_DESC reloc in rel_tls_desc_section.
3456         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3457         Define struct Tlsdesc_info.
3458         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3459         (Target_x86_64::do_reloc_symbol_index): New function.
3460         (Target_x86_64::add_tlsdesc_info): New function.
3461         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3462         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3463         tlsdesc_rel_ field.
3464         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3465         all callers.
3466         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3467         (Target_x86_64::rela_tlsdesc_section): New function.
3468         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3469         handling.
3470         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3471         (Target_x86_64::do_reloc_addend): New function.
3472         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3473         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3474         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3475         (Output_reloc::type): New function.
3476         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3477         (Output_reloc::is_target_specific): New function.
3478         (Output_reloc::target_arg): New function.
3479         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3480         absolute relocs and target specific relocs.
3481         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3482         add_target_specific.
3483         (class Output_data_reloc) [SHT_RELA]: Likewise.
3484         * output.cc (Output_reloc::Output_reloc): Add four new versions
3485         for absolute relocs and target specific relocs.
3486         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3487         (Output_reloc::get_symbol_index): Likewise.
3488         (Output_reloc::local_section_offset): Check that local_sym_index_
3489         is not TARGET_CODE or 0.
3490         (Output_reloc::symbol_value): Likewise.
3491         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3492         reloc.
3493         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3494         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3495         functions.
3496         * layout.cc (add_target_dynamic_tags): Use output section for
3497         DT_PLTRELSZ and DT_JMPREL.
3499 2010-01-07  Ian Lance Taylor  <iant@google.com>
3501         PR 11061
3502         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3503         function.
3504         (class Output_data_reloc_generic): Define.
3505         (class Output_data_reloc_base): Change base class to
3506         Output_data_reloc_generic.  Change add() method to call
3507         bump_relative_reloc_count for a relative reloc.  Remove
3508         sort_relocs_ field.
3509         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3510         to sort_relocs().
3511         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3512         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3513         appropriate.
3514         * layout.h (class Layout): Update declaration.
3516 2010-01-07  Ian Lance Taylor  <iant@google.com>
3518         * output.h (class Output_data): Add const version of
3519         output_section and do_output_section.
3520         (class Output_section_data): Add const version of
3521         do_output_section.
3522         (class Output_section): Likewise.
3523         * layout.cc (Layout::add_target_dynamic_tags): New function.
3524         * layout.h (class Layout): Update declarations.
3525         * arm.cc (Target_arm::do_finalize_sections): Use
3526         add_target_dynamic_tags.
3527         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3528         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3529         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3530         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3532 2010-01-07  Ian Lance Taylor  <iant@google.com>
3534         PR 11042
3535         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3536         object as needed.
3538 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3539             Ian Lance Taylor  <iant@google.com>
3541         PR 11019
3542         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3543         Xindex::read_symtab_xindex.
3545 2010-01-07  Doug Kwan  <dougkwan@google.com>
3547         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3548         (Insn_template::thumb16_bcond_insn): New method declaration.
3549         (Insn_template): Fix spelling.
3550         (Stub::thumb16_special): New method declaration.
3551         (Stub::do_write): Define virtual method which was previously pure
3552         virtual.
3553         (Stub::do_thumb16_special): New method declaration.
3554         (Stub::do_fixed_endian_write): New template member.
3555         (Reloc_stub::do_write): Remove.
3556         (Reloc_stub::do_fixed_endian_write): Remove.
3557         (Cortex_a8_stub): New class definition.
3558         (Stub_factory::make_cortex_a8_stub): New method definition.
3559         (Stub_factory::Stub_factory): Add missing static storage class
3560         qualifier for elf32_arm_stub_a8_veneer_blx.
3562 2010-01-07  Ian Lance Taylor  <iant@google.com>
3564         PR 10980
3565         * options.h (class General_options): Add --warn-unresolved-symbols
3566         and --error-unresolved-symbols.
3567         * errors.cc (Errors::undefined_symbol): Implement
3568         --warn-unresolved-symbols.
3570         * options.h (class General_options): Add -z text and -z textoff.
3571         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3573 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3575         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3576         (Garbage_collection::cident_sections): New function.
3577         (Garbage_collection::add_cident_section): New function.
3578         (Garbage_collection::cident_sections_): New member.
3579         (gc_process_relocs): Add references to sections whose names are C
3580         identifiers.
3581         * gold.h (cident_section_start_prefix): New constant.
3582         (cident_section_stop_prefix): New constant.
3583         (is_cident): New function.
3584         * layout.cc (Layout::define_section_symbols): Replace string constants
3585         with the newly defined constants.
3586         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3587         C identifiers.
3588         * testsuite/Makefile.am: Add gc_orphan_section_test.
3589         * testsuite/Makefile.in: Regenerate.
3590         * testsuite/gc_orphan_section_test.cc: New file.
3591         * testsuite/gc_orphan_section_test.sh: New file.
3593 2010-01-06  Ian Lance Taylor  <iant@google.com>
3595         PR 10980
3596         * options.h (class General_options): Add --warn-shared-textrel.
3597         * layout.cc (Layout::finish_dynamic_section): Implement
3598         --warn-shared-textrel.
3600         PR 10980
3601         * options.h (class General_options): Add --warn-multiple-gp.
3603 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3605         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3606         $(THREADSLIB) and $(LIBDL).
3607         * Makefile.in: Rebuild.
3609 2010-01-06  Ian Lance Taylor  <iant@google.com>
3611         PR 10980
3612         * options.cc (General_options::parse_section_start): New function.
3613         (General_options::section_start): New function.
3614         (General_options::General_options): Initialize all members.
3615         * options.h: Include <map>
3616         (class General_options): Add --section-start.  Add section_starts_
3617         member.
3618         * layout.cc (Layout::attach_allocated_section_to_segment): If
3619         --section-start was used, set the address of the segment.  Remove
3620         local sort_sections.
3621         (Layout::relaxation_loop_body): If the address of the load segment
3622         has been set by --section-start, don't use it.
3623         * output.h (Output_segment::update_flags_for_output_section): New
3624         function.
3625         * output.cc (Output_segment::add_output_section): Call
3626         update_flags_for_output_section.
3628 2010-01-05  Ian Lance Taylor  <iant@google.com>
3630         PR 10980
3631         * options.h (class General_options): Add --undefined-version.
3632         * script.cc (struct Version_expression): Add was_matched_by_symbol
3633         field.
3634         (Version_script_info::matched_symbol): New function.
3635         (Version_script_info::get_symbol_version_helper): Call
3636         matched_symbol.
3637         (Version_script_info::check_unmatched_names): New function.
3638         * script.h (class Version_script_info): Update declarations.
3639         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3641         * options.h (class General_options): Use DEFINE_bool_alias for
3642         allow_multiple_definition.
3643         * resolve.cc (Symbol_table::should_override): Don't test
3644         allow_multiple_definition.
3646         PR 10980
3647         * options.h (class General_options): Add --cref.
3648         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3649         until after printing cref table.
3650         * cref.cc: Include "symtab.h".
3651         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3652         (Cref_table_compare::operator()): New function.
3653         (Cref_inputs::gather_cref): New function.
3654         (filecol): New static const.
3655         (Cref_inputs::print_cref): New function.
3656         (Cref::print_cref): New function.
3657         * cref.h: Include <cstdio>.
3658         (class Cref): Update declarations.
3659         * mapfile.h (Mapfile::file): New function.
3660         * object.h (class Object): Define Symbols.  Declare virtual
3661         do_get_global_symbols.
3662         (Object::get_global_symbols): New function.
3663         * object.cc (Input_objects::add_object): Pass object to cref_ if
3664         --cref.
3665         (Input_objects::archive_start): Likewise.
3666         (Input_objects::archive_stop): Likewise.
3667         (Input_objects::print_cref): New function.
3668         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3669         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3670         --cref.
3671         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3672         function.
3673         * plugin.h (class Sized_pluginobj): Update declarations.
3675 2010-01-05  Ian Lance Taylor  <iant@google.com>
3677         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3678         to is_default_version.  Rename insdef to insdefault.
3679         (Symbol_table::add_from_relobj): Rename def to is_default_version
3680         and local to is_forced_local.
3681         (Symbol_table::add_from_pluginobj): Likewise.
3682         (Symbol_table::add_from_dynobj): Likewise.
3683         (Symbol_table::define_special_symbol): Rename insdef to
3684         insdefault.
3686 2010-01-04  Ian Lance Taylor  <iant@google.com>
3688         PR 10980
3689         * options.h (class General_options): Add
3690         --allow-multiple-definition and -z muldefs.
3691         * resolve.cc (Symbol_table::should_override): Don't warn about a
3692         multiple symbol definition if --allow-multiple-definition or -z
3693         muldefs.
3695         PR 10980
3696         * options.h (class General_options): Add --add-needed and
3697         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3698         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3699         error if --copy-dt-needed-entries aka --add-needed is used and
3700         would cause a change in behaviour.
3702         PR 10980
3703         * options.h (class General_options): Add -G as a short version of
3704         --shared.  Add no-op options -assert, -g, and -i.
3706 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3708         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3709         check for .text or .gnu.linkonce.t sections.
3710         * icf.cc (Icf::find_identical_sections): Ditto.
3711         Change the detection for mangled function name within the section
3712         name.
3713         * icf.h (is_section_foldable_candidate): New function.
3715 2009-12-30  Ian Lance Taylor  <iant@google.com>
3717         PR 10980
3718         * options.h (class General_options): Permit two dashes with
3719         --retain-symbols-file.
3721 2009-12-30  Ian Lance Taylor  <iant@google.com>
3723         PR 10979
3724         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3725         don't put the file header and segment headers in the text
3726         segment.
3728         PR 10979
3729         * common.cc (Sort_commons::operator()): Stabilize sort when both
3730         entries are NULL.
3731         (Symbol_table::do_allocate_commons_list): When allocating common
3732         symbols, skip a symbol which is no longer common.
3733         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3734         an object before checking its type.
3735         * testsuite/common_test_2.c: New file.
3736         * testsuite/common_test_3.c: New file.
3737         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3738         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3739         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3740         (common_test_2_pic.o, common_test_2.so): New targets.
3741         (common_test_3_pic.o, common_test_3.so): New targets.
3742         * testsuite/Makefile.in: Rebuild.
3744         PR 10979
3745         * script.cc (read_input_script): If we see a new SECTIONS clause,
3746         and we have added an input section, give an error.
3747         * layout.h (class Layout): Add have_added_input_section function.
3748         Add have_added_input_section_ field.
3749         * layout.cc (Layout::Layout): Initialize
3750         have_added_input_section_.
3751         (Layout::layout): Set have_added_input_section_.
3752         (Layout::layout_eh_frame): Likewise.
3754 2009-12-30  Ian Lance Taylor  <iant@google.com>
3756         PR 10931
3757         * options.h (class General_options): Add --sort-common option.
3758         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3759         * common.cc (Sort_common): Add sort_order parameter to
3760         constructor.  Add sort_order_ field.
3761         (Sort_commons::operator): Check sort_order_.
3762         (Symbol_table::allocate_commons): Determine the sort order.
3763         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3764         Change all callers.
3765         (Symbol_table::do_allocate_commons_list): Likewise.
3767 2009-12-30  Ian Lance Taylor  <iant@google.com>
3769         PR 10916
3770         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3771         symbols from this object, don't change the visibility of an
3772         undefined symbol.
3773         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3775 2009-12-30  Ian Lance Taylor  <iant@google.com>
3777         PR 10861
3778         * script.h (class Version_script_info): Define Language enum.
3779         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3780         new fields globals_, locals_, and is_finalized_.
3781         * script.cc: Various formatting fixes.
3782         (class Parser_closure): Change language_stack_ from a vector of
3783         std::string to one of Version_script_info::Language.  Adjust all
3784         uses accordingly.
3785         (class Lazy_demangler): Remove.
3786         (struct Version_expression): Change language from std::string to
3787         Version_script_info::Language.
3788         (Version_script_info::Version_script_info): New function.
3789         (Version_script_info::~Version_script_info): Don't call clear.
3790         (Version_script_info::finalize): New function.
3791         (Version_script_info::build_lookup_tables): New function.
3792         (Version_script_info::build_expression_list_lookup): New
3793         function.
3794         (Version_script_info::get_symbol_version_helper): Rewrite to use
3795         lookup tables.
3796         (Version_script_info::print_expression_list): Adjust to use
3797         Version_script_info::Language.
3798         (script_push_lex_into_version_mode): Check that the version script
3799         has not been finalized.
3800         (version_script_push_lang): Change language string to
3801         Version_script_info::Language.
3802         * options.cc (Command_line::version_script): New function.
3803         * options.h (class General_options): Add finalize_dynamic_list
3804         function.  Change version_script from declaration to definition.
3805         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3806         * testsuite/version_script.map: Remove duplicate def of foo.
3807         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3808         version_script.map.
3809         * testsuite/Makefile.in: Rebuild.
3811 2009-12-30  Ian Lance Taylor  <iant@google.com>
3813         PR 10843
3814         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3815         if the input symbol index is 0, make the output symbol index 0.
3817 2009-12-30  Ian Lance Taylor  <iant@google.com>
3819         PR 10670
3820         * options.h (class General_options): Add -x/--discard-all.
3821         * object.cc (Sized_relobj::do_count_local_symbols): Handle
3822         --discard-all.  If the local symbol needs a dynamic entry, check
3823         that before handling --discard-locals.
3825 2009-12-30  Ian Lance Taylor  <iant@google.com>
3827         PR 10450
3828         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
3829         flags to PF_R.
3830         (Output_segment::add_output_section): Don't change the flags if
3831         the type is PT_TLS.
3833         PR 10450
3834         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
3835         GNU hash table if they need a dynamic value.  Otherwise, don't add
3836         them if they are defined in a dynamic object or are forced local.
3838 2009-12-29  Ian Lance Taylor  <iant@google.com>
3840         PR 10450
3841         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
3842         .gnu.hash table for a 32-bit target.
3844         PR 10450
3845         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
3846         regular and a dynamic object only needs a dynamic symbol table
3847         entry if it is externally visible.
3849         PR 10450
3850         * i386.cc (class Target_i386): Initialize global_offset_table_ in
3851         constructor.  Add global_offset_table_ field.
3852         (Target_i386::got_section): Set global_offset_table_.
3853         (Target_i386::do_finalize_sections): Set global_offset_table_
3854         size.
3855         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
3856         in constructor.  Add global_offset_table_ field.
3857         (Target_x86_64::got_section): Set global_offset_table_.
3858         (Target_x86_64::do_finalize_sections): Set global_offset_table_
3859         size.
3861         * layout.cc (Layout::Layout): Initialize increase_relro_.
3862         (Layout::get_output_section): Add is_relro, is_last_relro, and
3863         is_first_non_relro parameters.  Change all callers.
3864         (Layout::choose_output_section): Likewise.
3865         (Layout::add_output_section_data): Likewise.
3866         (Layout::make_output_section): Likewise.
3867         (Layout::set_segment_offsets): Clear increase_relro when using a
3868         linker script.
3869         * layout.h (class Layout): Add increase_relro method.  Add
3870         increase_relro_ field.  Update declarations.
3871         * output.cc (Output_section::Output_section): Initialize
3872         is_last_relro_ and is_first_non_relro_.
3873         (Output_segment::add_output_section): Group relro sections is
3874         do_sort is true.  Handle is_last_relro and is_first_non_relro.
3875         (Output_segment::maximum_alignment): Remove relro handling.
3876         (Output_segment::set_section_addresses): Add increase_relro
3877         parameter.  Change all callers.  Add initial alignment to align
3878         relro sections on separate page.  Remove old relro handling.
3879         (Output_segment::set_section_list_addresses): Remove in_relro
3880         parameter.  Change all callers.
3881         (Output_segment::set_offset): Add increase parameter.  Change all
3882         callers.  Remove old relro handling.
3883         * output.h (class Output_section): Add new methods: is_last_relro,
3884         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
3885         Add is_last_relro_ and is_first_non_relro_ fields.
3886         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
3887         Create separate .got.plt section.  Call increase_relro.
3888         * x86_64.cc (Target_x86_64::got_section): Likewise.
3889         * testsuite/relro_script_test.t: Add .got.plt.
3891         PR 10450
3892         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
3893         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
3894         (Layout::finalize): Call set_dynamic_symbol_size.
3895         (Layout::set_dynamic_symbol_size): New function.
3896         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
3897         set_dynamic_symbol_size.
3899         PR 10450
3900         * output.h (class Output_section): Add is_entsize_zero_ field.
3901         * output.cc (Output_section::Output_section): Initialize
3902         is_entsize_zero_.
3903         (Output_section::set_entsize): If two different entsizes are
3904         requested, force it to zero.
3905         (Output_section::add_input_section): Set flags for .debug_str
3906         before updating section flags.  Set entsize.
3907         (Output_section::update_flags_for_input_section): Set SHF_MERGE
3908         and SHF_STRING if all input sections have those flags.
3910 2009-12-29   Rafael Espindola  <espindola@google.com>
3912         * main.cc (main): Fix the sys time reporting.
3913         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
3914         reporting.
3916 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
3918         * options.cc (General_options::parse_version): Allow -v to exit
3919         without an error if there is nothing to link.
3921 2009-12-29  Ian Lance Taylor  <iant@google.com>
3923         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
3924         using a version of gcc before 4.1.
3925         * configure: Rebuild.
3927 2009-12-28  Chris Demetriou  <cgd@google.com>
3929         * attributes.cc (Output_attributes_section_data::do_write): Use
3930         std::vector::front rather than std::vector::data.
3932 2009-12-28  Ian Lance Taylor  <iant@google.com>
3934         * symtab.h (class Symbol_table): Add enum Defined.
3935         * resolve.cc (Symbol_table::should_override): Add defined
3936         parameter.  Change all callers.  Test whether object is NULL
3937         before calling a method on it.
3938         (Symbol_table::report_resolve_problem): Add defined parameter.
3939         Change all callers.
3940         (Symbol_table::should_override_with_special): Likewise.
3941         * symtab.cc (Symbol_table::define_in_output_data): Add defined
3942         parameter.  Change all callers.
3943         (Symbol_table::do_define_in_output_data): Likewise.
3944         (Symbol_table::define_in_output_segment): Likewise.
3945         (Symbol_table::do_define_in_output_segment): Likewise.
3946         (Symbol_table::define_as_constant): Likewise.
3947         (Symbol_table::do_define_as_constant): Likewise.
3948         * script.h (class Symbol_assignment): Add is_defsym parameter to
3949         constructor; change all callers.
3950         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
3951         parameter.  Change all callers.  Add is_defsym_ field.
3952         (class Parser_closure): Add parsing_defsym parameter to
3953         constructor; change all callers.  Add parsing_defsym accessor
3954         function.  Add parsing_defsym_ field.
3956 2009-12-28  Ian Lance Taylor  <iant@google.com>
3958         * gold.cc (queue_middle_tasks): Fix formatting.
3959         * object.cc (Relobj::is_section_name_included): Likewise.
3961 2009-12-23  Ian Lance Taylor  <iant@google.com>
3963         * i386.cc (Target_i386::do_calls_non_split): Recognize
3964         -fsplit-stack prologue for a function with a static chain.
3965         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
3966         -fsplit-stack prologue when using %r11.
3968 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
3970         * options.cc (General_options::parse_version): Make -v continue and do
3971         the link like GNU ld does.
3973 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
3975         * Makefile.am (CCFILES): Add timer.cc.
3976         (HFILES): Add timer.h.
3977         * configure.ac: Check for sysconf and times.
3978         * main.cc: include timer.h.
3979         (main): Use Timer instead of get_run_time.
3980         * timer.cc: New.
3981         * timer.h: New.
3982         * workqueue.cc: include timer.h.
3983         (Workqueue::find_and_run_task):
3984         Report user, sys and wall time.
3985         * Makefile.in: Regenerate.
3986         * config.in: Regenerate.
3987         * configure: Regenerate.
3989 2009-12-16  Doug Kwan  <dougkwan@google.com>
3991         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
3992         sections.
3993         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
3994         relaxed input sections.
3995         * output.cc (Output_section::find_relaxed_input_section): Change
3996         return type to Output_relaxed_input_section pointer.  Adjust code
3997         for new type of relaxed_input_section_map_.
3998         * output.h (Output_section::find_relaxed_input_section): Change
3999         return type to Output_relaxed_input_section pointer.
4000         (Output_section::Output_relaxed_input_section_by_input_section_map):
4001         New type.
4002         (Output_section::relaxed_input_section_map_): Change type to
4003         Output_section::Output_relaxed_input_section_by_input_section_map.
4004         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4005         input section.
4007 2009-12-15  Ian Lance Taylor  <iant@google.com>
4009         * layout.cc (Layout::create_shstrtab): Only write out after input
4010         sections if we are compressing debug sections.
4012 2009-12-15  Ian Lance Taylor  <iant@google.com>
4014         * archive.cc (Archive::add_symbols): Only look up a symbol without
4015         a version if there is, in fact, a version.
4017 2009-12-14  Ian Lance Taylor  <iant@google.com>
4019         Revert -Wshadow changes, all changes from:
4020         2009-12-11  Doug Kwan  <dougkwan@google.com>
4021         2009-12-11  Nick Clifton  <nickc@redhat.com>
4022         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4024 2009-12-11  Doug Kwan  <dougkwan@google.com>
4026         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4027         due to -Wshadow.
4028         * attributes.cc (Object_attribute::size): Ditto.
4029         (Attributes_section_data::size): Ditto.
4030         (Attributes_section_data::Attributes_section_data): Ditto.
4031         (Output_attributes_section_data::do_write): Ditto.
4032         * attributes.h (Object_attribute::set_type): Ditto.
4033         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4035 2009-12-11  Nick Clifton  <nickc@redhat.com>
4037         * archive.cc: Fix shadowed variable warnings.
4038         * arm.cc: Likewise.
4039         * compressed_output.cc: Likewise.
4040         * compressed_output.h: Likewise.
4041         * configure: Likewise.
4042         * dwarf_reader.cc: Likewise.
4043         * dynobj.cc: Likewise.
4044         * dynobj.h: Likewise.
4045         * ehframe.cc: Likewise.
4046         * ehframe.h: Likewise.
4047         * errors.cc: Likewise.
4048         * expression.cc: Likewise.
4049         * fileread.cc: Likewise.
4050         * fileread.h: Likewise.
4051         * freebsd.h: Likewise.
4052         * i386.cc: Likewise.
4053         * icf.cc: Likewise.
4054         * incremental.h: Likewise.
4055         * layout.cc: Likewise.
4056         * layout.h: Likewise.
4057         * mapfile.cc: Likewise.
4058         * merge.cc: Likewise.
4059         * merge.h: Likewise.
4060         * object.cc: Likewise.
4061         * object.h: Likewise.
4062         * options.h: Likewise.
4063         * output.cc: Likewise.
4064         * output.h: Likewise.
4065         * parameters.cc: Likewise.
4066         * plugin.cc: Likewise.
4067         * powerpc.cc: Likewise.
4068         * reduced_debug_output.cc: Likewise.
4069         * reduced_debug_output.h: Likewise.
4070         * reloc.cc: Likewise.
4071         * reloc.h: Likewise.
4072         * resolve.cc: Likewise.
4073         * script-sections.cc: Likewise.
4074         * script.cc: Likewise.
4075         * script.h: Likewise.
4076         * sparc.cc: Likewise.
4077         * symtab.cc: Likewise.
4078         * symtab.h: Likewise.
4079         * target-select.cc: Likewise.
4080         * target-select.h: Likewise.
4081         * token.h: Likewise.
4082         * workqueue.cc: Likewise.
4083         * workqueue.h: Likewise.
4084         * x86_64.cc: Likewise.
4086 2009-12-10  Doug Kwan  <dougkwan@google.com>
4088         * arm.cc (attributes.h): New include.
4089         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4090         (Arm_relobj::~Arm_relobj): Delete object pointed by
4091         attributes_section_data_.
4092         (Arm_relobj::attributes_section_data): New method definition.
4093         (Arm_relobj::attributes_section_data_): New data member declaration.
4094         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
4095         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
4096         attributes_section_data_.
4097         (Arm_dynobj::attributes_section_data): New method definition.
4098         (Arm_dynobj::attributes_section_data_): New data member declaration.
4099         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
4100         initialization value of may_use_blx_ to false.
4101         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
4102         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
4103         object attributes to compute results instead of hard-coding.
4104         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
4105         Target_arm::get_secondary_compatible_arch,
4106         Target_arm::set_secondary_compatible_arch
4107         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4108         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
4109         New method declarations.
4110         (Target_arm::get_aeabi_object_attribute): New method definition.
4111         (Target_arm::attributes_section_data_): New data member declaration.
4112         (read_arm_attributes_section): New template definition.
4113         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
4114         (Arm_dynobj::do_read_symbols): Ditto.
4115         (Target_arm::do_finalize_sections): Merge attributes sections from
4116         input.  Check for BLX use after attributes section merging.
4117         Fix __exidx_start and __exidx_end visibility.  Create an
4118         .ARM.attributes section if necessary.
4119         (Target_arm::get_secondary_compatible_arch,
4120         Target_arm::set_secondary_compatible_arch,
4121         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
4122         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
4123         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
4124         New method definitions.
4126 2009-12-09  Ian Lance Taylor  <iant@google.com>
4128         * plugin.cc (Plugin::load): Don't cast from void* to a function
4129         pointer.
4131 2009-12-09  Ian Lance Taylor  <iant@google.com>
4133         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
4134         information fields.
4136 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
4138         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
4139         Replace two_file_shared_1.so with two_file_shared_2.so.
4140         * testsuite/Makefile.in: Regenerated.
4142 2009-12-08  Doug Kwan  <dougkwan@google.com>
4144         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
4145         (HFILES): Add attributes.h and int_encoding.h.
4146         * Makefile.in: Regenerate.
4147         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
4148         function definitions to int_encoding.cc
4149         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
4150         prototypes to int_encoding.h
4151         * reduced_debug_output.cc (int_encoding.h): New include.
4152         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
4153         function definitions to int_encoding.cc
4154         (insert_into_vector, read_from_pointer): Move template definitions to
4155         int_encoding.h
4156         * attributes.cc: New file.
4157         * attributes.h: New file.
4158         * int_encoding.cc: New file.
4159         * int_encoding.h: New file.
4161 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
4163         PR gold/11055
4164         * incremental-dump.cc (dump_incremental_inputs): New.
4165         (main): Use dump_incremental_inputs.
4167 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
4169         PR gold/10893
4170         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
4171         checking elfcpp::STT_FUNC.
4172         (Target_i386::Relocate::relocate): Likewise.
4173         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
4175         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
4176         symbols from shared libraries into normal FUNC symbols.
4178         * symtab.h (Symbol): Add is_func and use it.
4180 2009-12-05  Doug Kwan  <dougkwan@google.com>
4182         * arm.cc (Target_arm::arm_info): Initialize new fields
4183         attributes_section and attributes_vendor.
4184         * i386.cc (Target_i386::i386_info): Same.
4185         * object.cc (Sized_relobj::do_layout): Skip attribute section.
4186         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
4187         fields attributes_section and attributes_vendor.
4188         * sparc.cc (Target_sparc::sparc_info): Same.
4189         * target.h (Target::attributes_section, Target::attributes_vendor,
4190         Target::is_attributes_section, Target::attribute_arg_type,
4191         Target::attributes_order): New method definitions.
4192         (Target::Target_info::attributes_section,
4193         Target::Target_info::attributes_vendor): New fields.
4194         (Target::do_attribute_arg_type, Target::do_attributes_order): New
4195         virtual method definitions.
4196         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
4197         attributes_section and attributes_vendor.
4198         * testsuite/testfile.cc (Target_test::test_target_info): Same.
4200 2009-12-05  Doug Kwan  <dougkwan@google.com>
4202         * arm.cc: Update comments about interworking and stub generation.
4203         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
4204         considered as non-PIC.
4205         (Arm_relocate_functions::base_abs): Fix formatting.
4206         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
4207         of function to use GOT entry address instead of offset.
4208         (Target_arm::Scan::global): Issue an error if a symbol would need a
4209         PLT does not get one because it is untyped.  Remove code to create
4210         dynamic symbols for relative branches.
4211         (Target_arm::Relocate::relocate: Use 0 instead of false since function
4212         takes unsigned integer instead of boolean.
4214 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
4216         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
4217         (two_file_test_LDADD): Likewise.
4218         (common_test_1_LDADD): Likewise.
4219         (exception_test_LDADD) Likewise.
4220         (weak_test_LDADD): Likewise.
4221         (many_sections_test_LDADD): Likewise.
4222         (initpri1_LDADD): Likewise.
4223         (script_test_1_LDADD): Likewise.
4224         (script_test_2_LDADD): Likewise.
4225         (justsyms_LDADD): Likewise.
4226         (binary_test_LDADD): Likewise.
4227         (large_LDADD): Likewise.
4228         * testsuite/Makefile.in: Regenerated.
4230 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
4232         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
4233         (Symbol_table::override_with_special): Likewise.
4234         (Symbol_table::add_from_object): Likewise.
4236 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4238         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4239         Don't set the data_offset twice.
4241 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
4243         * testsuite/Makefile.in: Regenerate.
4245 2009-12-03  Doug Kwan  <dougkwan@google.com>
4247         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
4248         (Target_arm::do_finalize_sections): Add parameter for symbol table
4249         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
4250         * i386.cc (Target_i386::do_finalize_sections): Add an additional
4251         parameter for symbol table pointer.
4252         * layout.cc (Layout::finalize): Call Target::finalize_sections with
4253         an additional parameter for a pointer to symbol table.
4254         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
4255         parameter for a symbol table pointer.
4256         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
4257         * target.h (Target::finalize_sections, Target::do_finalize_sections):
4258         Ditto.
4259         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4260         parameter for a symbol table pointer.
4262 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4264         * incremental.cc (Incremental_inputs_header)
4265         (Incremental_inputs_header_write, Incremental_inputs_entry)
4266         (Incremental_inputs_entry_write): Move ...
4267         * incremental.h (Incremental_inputs_header)
4268         (Incremental_inputs_header_write, Incremental_inputs_entry)
4269         (Incremental_inputs_entry_write): here.
4271 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4273         * incremental.cc (make_sized_incremental_binary): Set the target.
4274         Error if it is incompatible.
4275         * output.h (Output_file): Add filename method.
4277 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4279         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4280         from the get_* methods.
4282 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4284         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4285         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4286         Write 0 for the data_offset of scripts.
4288 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4290         * testsuite/Makefile.am: Add the incremental_test.sh test.
4291         * testsuite/incremental_test.sh: New.
4292         * testsuite/incremental_test_1.c: New.
4293         * testsuite/incremental_test_2.c: New.
4295 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4297        * incremental-dump.cc (main): Fix typos.
4299 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4301         PR gold/11025
4302         * incremental-dump.cc (main): Use llu to print 64 bit values.
4304 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
4305             H.J. Lu  <hongjiu.lu@intel.com>
4307         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4308         $(LIBDL).
4309         (incremental_dump_LDADD): Likewise.
4310         * Makefile.in: Regenerated.
4312 2009-11-25  Doug Kwan  <dougkwan@google.com>
4314         Revert:
4316         2009-11-25  Doug Kwan  <dougkwan@google.com>
4318                 * arm.cc (Target_arm::Target_arm): Move method definition
4319                 outside of class definition.  Add code to handle
4320                 --target1-rel, --target1-abs and --target2= options.
4321                 (Target_arm::get_reloc_reloc_type): Change method to be
4322                 non-static and const.
4323                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4324                 New data member declaration.
4325                 (Target_arm::Scan::local, Target_arm::Scan::global,
4326                 Target_arm::Relocate::relocate,
4327                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4328                 Adjust call to Target_arm::get_real_reloc_type.
4329                 (Target_arm::get_real_reloc_type): Use command line options
4330                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4331                 * options.h (--target1-rel, --target1-abs, --target2): New
4332                 ARM-only options.
4334 2009-11-25  Doug Kwan  <dougkwan@google.com>
4336         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4337         class definition.  Add code to handle --target1-rel, --target1-abs
4338         and --target2= options.
4339         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4340         and const.
4341         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4342         member declaration.
4343         (Target_arm::Scan::local, Target_arm::Scan::global,
4344         Target_arm::Relocate::relocate,
4345         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4346         call to Target_arm::get_real_reloc_type.
4347         (Target_arm::get_real_reloc_type): Use command line options to
4348         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4349         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4350         options.
4352 2009-11-25  Doug Kwan  <dougkwan@google.com>
4354         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4355         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4356         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4357         formatting.
4358         (Arm_relocate_functions::thm_call): Replace body with a call to
4359         Arm_relocate_functions::thumb_branch_common.
4360         (Arm_relocate_functions::thm_jump24,
4361         Arm_relocate_functions::thm_xpc22): New method definitions.
4362         (Arm_relocate_functions::thumb_branch_common): New method definition.
4363         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4364         operator.
4365         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4366         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4368 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4370         * Makefile.am: Build incremental-dump
4371         * Makefile.in: Regenerate.
4372         * incremental-dump.cc: New.
4373         * incremental.cc (Incremental_inputs_header_data,
4374         Incremental_inputs_entry_data): Move to incremental.h
4375         * incremental.h: (Incremental_inputs_header_data,
4376         Incremental_inputs_entry_data): Move from incremental.cc
4378 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4380         * incremental.cc (Incremental_inputs_header,
4381         Incremental_inputs_header_write, Incremental_inputs_entry,
4382         Incremental_inputs_entry_write): Add a typedef with the data type.
4384 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4386         * incremental.cc (Incremental_inputs_header,
4387         Incremental_inputs_header_write, Incremental_inputs_entry,
4388         Incremental_inputs_entry_write): Update comment about which
4389         type has the filed descriptions.
4391 2009-11-15  Doug Kwan  <dougkwan@google.com>
4393         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4394         (Arm_relocate_functions::arm_branch_common): Change method defintion
4395         in class definition to a method declaration and update list of formal
4396         parameters.
4397         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4398         Arm_relocation_functions::jump24): Adjust call to
4399         Arm_relocate_functions::arm_branch_common.  Update list of formal
4400         parameters.
4401         (Arm_relocate_functions::xpc25): New method definition.
4402         (Arm_relocate_functions::arm_branch_common): Move method defintion
4403         out from class definition.  Use stubs for mode-switching and extending
4404         branch ranges.
4405         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4406         specially.  Change code to enable use of stubs in ARM branches.
4408 2009-11-10  Doug Kwan  <dougkwan@google.com>
4410         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4411         in method declaration.
4412         (Target_arm::relocate_stub): New method declaration.
4413         (Target_arm::default_target): Change to return a pointer instead of
4414         a const reference.
4415         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4416         Target_arm::default_target.
4417         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4418         method definition.
4419         (Target_arm::relocate_section): Adjust view.
4420         (Target_arm::relocate_stub): New method definition.
4422 2009-11-10  Doug Kwan  <dougkwan@google.com>
4424         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4425         a format warning.
4426         * incremental.cc (open_incremental_binary): Initialized local
4427         variables to avoid warnings.
4428         * object.cc (make_elf_object): Ditto.
4429         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4430         a format warning.
4432 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4434         PR gold/10930
4435         * testsuite/plugin_test.c: Include "config.h".
4437 2009-11-09  Doug Kwan  <dougkwan@google.com>
4439         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4440         (arm_symbol_value): Remove.
4441         (Arm_relocate_functions::arm_branch_common,
4442         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4443         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4444         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4445         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4446         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4447         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4448         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4449         Arm_relocate_functions::thm_mobw_abs_nc,
4450         Arm_relocate_functions::thm_mov_abs,
4451         Arm_relocate_functions::movw_prel_nc,
4452         Arm_relocate_functions::thm_movt_abs,
4453         Arm_relocate_functions::movt_prel,
4454         Arm_relocate_functions::thm_movw_prel_nc,
4455         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4456         (Target_arm::Relocate::relocate): Only decompose address into two
4457         parts if relocation type uses the thumb-bit and pass the actual
4458         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4459         calls to methods in Arm_relocate_functions for this change.
4461 2009-11-08  Ian Lance Taylor  <iant@google.com>
4463         PR 10925
4464         * reloc.cc: Instantiate
4465         Sized_relobj::initialize_input_to_output_maps and
4466         Sized_relobj:free_input_to_output_maps.
4468 2009-11-06  Ian Lance Taylor  <iant@google.com>
4470         PR 10876
4471         * defstd.cc (in_segment): Set only_if_ref true for "end".
4473 2009-11-06  Doug Kwan  <dougkwan@google.com>
4475         * arm.cc (class Reloc_stub): Correct a comment.
4476         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4477         (Target_arm::scan_section_for_stubs): New method declaration.
4478         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4479         Change methods from private to protected.
4480         (Target_arm::do_may_relax): New method definition.
4481         (Target_arm::do_relax, Target_arm::group_sections,
4482         Target_arm::scan_reloc_for_stub,
4483         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4484         (Target_arm::arm_input_section_map_): New data member declaration.
4485         (Target_arm::scan_reloc_for_stub,
4486         Target_arm::scan_reloc_section_for_stubs,
4487         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4488         Target_arm::do_relax): New method definitions.
4490 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4492         * configure.ac: Check for (struct stat)::st_mtim
4493         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4494         * config.in: Regenerate.
4495         * configure: Regenerate.
4497 2009-11-05  Ian Lance Taylor  <iant@google.com>
4499         PR 10910
4500         * output.cc (Output_segment::add_output_section): Add missing
4501         return statement.
4503 2009-11-04  Ian Lance Taylor  <iant@google.com>
4505         PR 10880
4506         * object.h (class Object): Add is_needed and set_is_needed
4507         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4508         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4509         defined in a dynamic object and referenced by a regular object,
4510         set is_needed for the dynamic object.
4511         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4512         if the file is marked with as_needed and it is not needed.
4514 2009-11-04  Ian Lance Taylor  <iant@google.com>
4516         PR 10887
4517         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4518         tags if data is discarded by linker script.
4519         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4520         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4521         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4522         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4524 2009-11-04  Ian Lance Taylor  <iant@google.com>
4526         * layout.cc (Layout::get_output_section): Add is_interp and
4527         is_dynamic_linker_section parameters.  Change all callers.
4528         (Layout::choose_output_section): Likewise.
4529         (Layout::make_output_section): Likewise.
4530         (Layout::add_output_section_data): Add is_dynamic_linker_section
4531         parameter.  Change all callers.
4532         * layout.h (class Layout): Update declarations.
4533         * output.h (class Output_section): Add is_interp, set_is_interp,
4534         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4535         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4536         generate_code_fills_at_write_ to a bitfield.
4537         * output.cc (Output_section::Output_sections): Initialize new
4538         fields.
4539         (Output_segment::add_output_section): Add do_sort parameter.
4540         Change all callers.
4542 2009-11-03  Ian Lance Taylor  <iant@google.com>
4544         PR 10860
4545         * options.h (class General_options): Add --warn-common.
4546         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4547         merging two common symbols.
4548         (Symbol_table::should_override): Handle --warn-common when merging
4549         a common symbol with a defined symbol.  Use report_resolve_problem
4550         for multiple definitions.
4551         (Symbol_table::report_resolve_problem): New function.
4552         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4554 2009-11-03  Doug Kwan  <dougkwan@google.com>
4556         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4557         stub_factory_.
4558         (Target_arm::stub_factory): New method definition.
4559         (Target_arm::new_arm_input_section,
4560         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4561         Target_arm::reloc_uses_thumb_bit): New method declarations.
4562         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4563         New type definitions.
4564         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4565         member declarations.
4566         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4567         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4568         New method definitions.
4570 2009-11-03  Ian Lance Taylor  <iant@google.com>
4572         * options.h (class General_options): Add --warn_constructors.
4574 2009-11-03  Ian Lance Taylor  <iant@google.com>
4576         PR 10893
4577         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4578         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4580 2009-11-03  Ian Lance Taylor  <iant@google.com>
4582         PR 10895
4583         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4584         --msgid-bugs-address.
4585         (install-pdf): New target.
4586         (install-data_yes): Look up one directory to find mkinstalldirs.
4588 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4590         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4591         tree.
4593 2009-10-30  Doug Kwan  <dougkwan@google.com>
4595         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4597 2009-10-30  Doug Kwan  <dougkwan@google.com>
4599         * arm.cc (Stub_addend_reader): New struct template definition
4600         and partial specializations.
4601         (Stub_addend_reader::operator()): New method definition for a
4602         partially specialized template.
4604 2009-10-30  Doug Kwan  <dougkwan@google.com>
4606         * arm.cc (Arm_relobj::processor_specific_flags): New method
4607         definition.
4608         (Arm_relobj::do_read_symbols): New method declaration.
4609         (Arm_relobj::processor_specific_flags_): New data member declaration.
4610         (Arm_dynobj): New class definition.
4611         (Target_arm::do_finalize_sections): Add input_objects parameter.
4612         (Target_arm::do_adjust_elf_header): New method declaration.
4613         (Target_arm::are_eabi_versions_compatible,
4614         (Target_arm::merge_processor_specific_flags): New method declaration.
4615         (Target_arm::do_make_elf_object): New overloaded method definitions
4616         and declaration.
4617         (Arm_relobj::do_read_symbols): New method definition.
4618         (Arm_dynobj::do_read_symbols): Ditto.
4619         (Target_arm::do_finalize_sections): Add input_objects parameters.
4620         Merge processor-specific flags from all input objects.
4621         (Target_arm::are_eabi_versions_compatible,
4622         Target_arm::merge_processor_specific_flags,
4623         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4624         New method definitions.
4625         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4626         Input_objects pointer type parameter.
4627         * layout.cc (Layout::finalize): Pass input objects to target's.
4628         finalize_sections function.
4629         * output.cc (Output_file_header::do_sized_write): Set ELF file
4630         header's processor-specific flags.
4631         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4632         Input_objects pointer type parameter.
4633         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4634         * target.h (Input_objects): New forward class declaration.
4635         (Target::processor_specific_flags,
4636         Target::are_processor_specific_flags_sect): New method definitions.
4637         (Target::finalize_sections): Add input_objects parameter.
4638         (Target::Target): Initialize processor_specific_flags_ and
4639         are_processor_specific_flags_set_.
4640         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4641         parameter.
4642         (Target::set_processor_specific_flags): New method definition.
4643         (Target::processor_specific_flags_,
4644         Target::are_processor_specific_flags_set_): New data member
4645         declarations.
4646         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4647         Input_objects pointer type parameter.
4649 2009-10-30  Doug Kwan  <dougkwan@google.com>
4651         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4653 2009-10-28  Ian Lance Taylor  <iant@google.com>
4655         * object.h (class Relobj): Drop options parameter from
4656         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4657         do_scan_relocs, do_relocate.  Change all callers.
4658         (class Sized_relobj): Drop options parameters from
4659         do_gc_process_relocs, do_scan_relocs, do_relocate,
4660         do_relocate_sections, relocate_sections, emit_relocs_scan,
4661         emit_relocs_scan_reltype.  Change all callers.
4662         (struct Relocate_info): Remove options field and all references to
4663         it.
4664         * reloc.h (class Read_relocs): Remove options constructor
4665         parameter and options_ field.  Change all callers.
4666         (class Gc_process_relocs, class Scan_relocs): Likewise.
4667         (class Relocate_task): Likewise.
4668         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4669         all callers.
4670         (scan_relocatable_relocs): Likewise.
4671         * target.h (class Sized_target): Remove options parameter from
4672         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4673         all callers.
4674         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4675         callers.
4676         * arm.cc: Update functions to remove options parameters.
4677         * i386.cc: Likewise.
4678         * powerpc.cc: Likewise.
4679         * sparc.cc: Likewise.
4680         * x86_64.cc: Likewise.
4681         * testsuite/testfile.cc: Likewise.
4683 2009-10-28  Doug Kwan  <dougkwan@google.com>
4685         * arm.cc (Arm_relobj): New class definition.
4686         (Arm_relobj::scan_sections_for_stubs,
4687         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4688         New method definitions.
4690 2009-10-28  Cary Coutant  <ccoutant@google.com>
4692         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4693         (Plugin::cleanup_done_): New member.
4694         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4695         (Plugin_manager::cleanup_done_): Remove.
4696         (Plugin_manager::add_input_file): Edit error message.
4697         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4698         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4700 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4702         * fileread.cc: (File_read::View::~View): Use the new
4703         data_ownership_ filed.
4704         (File_read::~File_read): Dispose the new whole_file_view_.
4705         (File_read::open): Mmap the whole file if needed.
4706         (File_read::open): Use whole_file_view_ instead of contents_.
4707         (File_read::find_view): Use whole_file_view_ if applicable.
4708         (File_read::do_read): Use whole_file_view_ instead of contents_.
4709         (File_read::make_view): Use whole_file_view_ instead of contents_,
4710         update File_read::View::View call.
4711         (File_read::find_or_make_view): Update File_read::View::View
4712         call.
4713         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4714         remove contents_
4715         (File_read::View::Data_ownership): New enum.
4716         (File_read::View::View): Replace bool mapped_ with Data_ownership
4717         argument.
4718         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4719         (File_read::View::data_ownership_): New field.
4720         (File_read::contents_): Remove (replaced by whole_file_view_).
4721         (File_read::whole_file_view_): New field.
4722         * options.h (class General_options): Add --keep-files-mapped.
4724 2009-10-27  Cary Coutant  <ccoutant@google.com>
4726         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4727         * testsuite/Makefile.am (plugin_test_5): New test case.
4728         * testsuite/Makefile.in: Regenerate.
4730 2009-10-25  Doug Kwan  <dougkwan@google.com>
4732         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4733         from private to protected to allow access by child class.
4734         (Sized_relobj::do_relocate_sections): New method declaration.
4735         (Sized_relobj::relocate_sections): Virtualize.
4736         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4737         Sized_relobj::relocate_sections.  Instantiate template explicitly
4738         for different target sizes and endianity.
4740 2009-10-24  Doug Kwan  <dougkwan@google.com>
4742         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4743         (Arm_input_section::as_arm_input_section): New method.
4744         (Arm_output_section): New class definition.
4745         (Arm_output_section::create_stub_group,
4746         Arm_output_section::group_sections): New method definitions.
4748 2009-10-22  Doug Kwan  <dougkwan@google.com>
4750         * arm.cc (Arm_input_section): New class definition.
4751         (Arm_input_section::init, Arm_input_section:do_write,
4752         Arm_input_section::set_final_data_size,
4753         Arm_input_section::do_reset_address_and_file_offset): New method
4754         definitions.
4756 2009-10-21  Doug Kwan  <dougkwan@google.com>
4758         * arm.cc (Stub_table, Arm_input_section): New forward class
4759         declarations.
4760         (Stub_table): New class defintion.
4761         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4762         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4763         New method definition.
4765 2009-10-21  Doug Kwan  <dougkwan@google.com>
4767         * arm.cc: Update copyright comments.
4768         (Target_arm): New forward class template declaration.
4769         (Arm_address): New type.
4770         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4771         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4772         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4773         constants.
4774         (Insn_template): Same.
4775         (DEF_STUBS): New macro.
4776         (Stub_type): New enum type.
4777         (Stub_template): New class definition.
4778         (Stub): Same.
4779         (Reloc_stub): Same.
4780         (Stub_factory): Same.
4781         (Target_arm::Target_arm): Initialize may_use_blx_ and
4782         should_force_pic_veneer_.
4783         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4784         Target_arm::should_force_pic_veneer,
4785         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4786         Target_arm::using_thumb_only, Target_arm:;default_target): New
4787         method defintions.
4788         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4789         New data member declarations.
4790         (Insn_template::size, Insn_template::alignment): New method defintions.
4791         (Stub_template::Stub_template): New method definition.
4792         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4793         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4794         (Stub_factory::Stub_factory): New method definition.
4795         * gold.h (string_hash): New template.
4796         * output.h (Input_section_specifier::hash_value): Use
4797         gold::string_hash.
4798         (Input_section_specifier::string_hash): Remove.
4799         * stringpool.cc (Stringpool_template::string_hash): Use
4800         gold::string_hash.
4802 2009-10-20  Doug Kwan  <dougkwan@google.com>
4804         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4805         symbols of relaxed input sections.
4806         * output.h (Output_section::find_relaxed_input_section): Make
4807         method public.
4809 2009-10-16  Doug Kwan  <dougkwan@google.com>
4811         * dynobj.cc (Versions::Versions): Initialize version_script_.
4812         Only insert base version symbol definition for a shared object
4813         if version script defines any version versions.
4814         (Versions::define_base_version): New method definition.
4815         (Versions::add_def): Check that base version is not needed.
4816         (Versions::add_need): Define base version lazily.
4817         * dynobj.h (Versions::define_base_version): New method declaration.
4818         (Versions::needs_base_version_): New data member declaration.
4819         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
4820         (check_DATA): Add no_version_test.stdout.
4821         (libno_version_test.so, no_version_test.o no_version_test.stdout):
4822         New make rules.
4823         * testsuite/Makefile.in: Regenerate.
4824         * testsuite/no_version_test.c: New file.
4825         * testsuite/no_version_test.sh: Ditto.
4827 2009-10-16  Doug Kwan  <dougkwan@google.com>
4829         * expression.cc (class Segment_start_expression): New class definition.
4830         (Segment_start_expression::value): New method definition.
4831         (script_exp_function_segment_start): Return a new
4832         Segment_start_expression.
4833         * gold/script-c.h (script_saw_segment_start_expression): New function
4834         prototype.
4835         * script-sections.cc (Script_sections::Script_sections): Initialize
4836         SAW_SEGMENT_START_EXPRESSION_ to false.
4837         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
4838         and -Tbbs options to specify section addresses if given in
4839         command line and no SEGMENT_START expression is seen in a script.
4840         * script-sections.h (Script_sections::saw_segment_start_expression,
4841         Script_sections::set_saw_segment_start_expression): New method
4842         definition.
4843         (Script_sections::saw_segment_start_expression_): New data member
4844         declaration.
4845         * script.cc (script_saw_segment_start_expression): New function.
4846         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
4847         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
4848         script_test_7.sh and script_test_8.sh.
4849         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
4850         script_test_8.stdout.
4851         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
4852         (script_test_6, script_test_6.stdout, script_test_7,
4853         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
4854         * Makefile.in: Regenerate.
4855         * testsuite/script_test_6.sh: New file.
4856         * testsuite/script_test_6.t: Same.
4857         * testsuite/script_test_7.sh: Same.
4858         * testsuite/script_test_7.t: Same.
4859         * testsuite/script_test_8.sh: Same.
4861 2009-10-16  Doug Kwan  <dougkwan@google.com>
4863         * output.cc (Output_segment::set_section_list_address): Cast
4864         expressions to unsigned long long type to avoid format warnings.
4866 2009-10-15  Ian Lance Taylor  <iant@google.com>
4868         * script.cc (Script_options::add_symbol_assignment): Always add a
4869         dot assignment to script_sections_.
4870         * script-sections.cc (Script_sections::add_dot_assignment):
4871         Initialize if necessary.
4873         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
4874         program headers with no load segment if there is a linker script.
4876         * layout.cc (Layout::set_segment_offsets): Align the file offset
4877         to the segment aligment for -N or -n with no load segment.
4878         * output.cc (Output_segment::add_output_section): Don't crash if
4879         the first section is a TLS section.
4880         (Output_segment::set_section_list_addresses): Print an error
4881         message if the address moves backward in a linker script.
4882         * script-sections.cc
4883         (Output_section_element_input::set_section_addresses): Don't
4884         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
4885         (Orphan_output_section::set_section_addresses): Likewise.
4887 2009-10-15  Doug Kwan  <dougkwan@google.com>
4889         * layout.cc (Layout::finish_dynamic_section): Generate tags
4890         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
4891         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
4892         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
4894 2009-10-14  Ian Lance Taylor  <iant@google.com>
4896         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
4897         fields.
4898         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
4899         data_shdr fields of relinfo.
4900         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
4901         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
4902         R_386_TLS_LDO_32, adjust based on section flags.
4903         (Target_i386::Relocate::fix_up_ldo): Remove.
4905 2009-10-13  Ian Lance Taylor  <iant@google.com>
4907         Add support for -pie.
4908         * options.h (class General_options): Add -pie and
4909         --pic-executable.
4910         (General_options::output_is_position_independent): Test -pie.
4911         (General_options::output_is_executable): Return true if not shared
4912         and not relocatable.
4913         (General_options::output_is_pie): Remove.
4914         * options.cc (General_options::finalize): Reject incompatible uses
4915         of -pie.
4916         * gold.cc (queue_middle_tasks): A -pie link is not static.
4917         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
4918         * symtab.cc (Symbol::final_value_is_known): Return false if
4919         output_is_position_independent.
4920         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
4921         output_is_position_independent.
4922         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
4923         output_is_position_independent.
4924         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
4925         output_is_position_independent.
4926         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
4927         two_file_pie_test.
4928         (basic_pie_test.o, basic_pie_test): New targets.
4929         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
4930         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
4931         (two_file_pie_test): New target.
4932         * testsuite/Makefile.in: Rebuild.
4933         * README: Remove note saying that -pie is not supported.
4935 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4937         * options.h (class General_options): Add -init and -fini.
4938         * layout.cc (Layout::finish_dynamic_section): Emit
4939         given init and fini functions.
4941 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
4943         * gc.h (gc_process_relocs): Check if icf is enabled using new
4944         function.
4945         * gold.cc (queue_initial_tasks): Likewise.
4946         (queue_middle_tasks): Likewise.
4947         * object.cc (do_layout): Likewise.
4948         * symtab.cc (is_section_folded): Likewise.
4949         * main.cc (main): Likewise.
4950         * reloc.cc (Read_relocs::run): Likewise.
4951         (Sized_relobj::do_scan_relocs): Likewise.
4952         * icf.cc (is_function_ctor_or_dtor): New function.
4953         (Icf::find_identical_sections): Check if function is ctor or dtor when
4954         safe icf is chosen.
4955         * options.h (General_options::icf): Change option to be an enum.
4956         (Icf_status): New enum.
4957         (icf_enabled): New method.
4958         (icf_safe_folding): New method.
4959         (set_icf_status): New method.
4960         (icf_status_): New variable.
4961         * (options.cc) (General_options::finalize): Set icf_status_.
4962         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
4963         icf_test and icf_keep_unique_test to use the --icf enum flag.
4964         * testsuite/icf_safe_test.sh: New file.
4965         * testsuite/icf_safe_test.cc: New file.
4967 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
4969         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
4970         includes to gc.h and icf.h.
4971         * arm.cc: Include gc.h.
4972         * gold.cc: Likewise.
4973         * i386.cc: Likewise.
4974         * powerpc.cc: Likewise.
4975         * sparc.cc: Likewise.
4976         * x86_64.cc: Likewise.
4977         * gc.h: Include icf.h.
4979 2009-10-11  Ian Lance Taylor  <iant@google.com>
4981         * plugin.cc: Include "gold.h" before other header files.
4983 2009-10-10  Chris Demetriou  <cgd@google.com>
4985         * options.h (Input_file_argument::Input_file_type): New enum.
4986         (Input_file_argument::is_lib_): Replace with...
4987         (Input_file_argument::type_): New member.
4988         (Input_file_argument::Input_file_argument): Take Input_file_type
4989         'type' rather than boolean 'is_lib' as second argument.
4990         (Input_file_argument::is_lib): Use type_.
4991         (Input_file_argument::is_searched_file): New function.
4992         (Input_file_argument::may_need_search): Handle is_searched_file.
4993         * options.cc (General_options::parse_library): Support -l:filename.
4994         (General_options::parse_just_symbols): Update for Input_file_argument
4995         changes.
4996         (Command_line::process): Likewise.
4997         * archive.cc (Archive::get_file_and_offset): Likewise.
4998         * plugin.cc (Plugin_manager::release_input_file): Likewise.
4999         * script.cc (read_script_file, script_add_file): Likewise.
5000         * fileread.cc (Input_file::Input_file): Likewise.
5001         (Input_file::will_search_for): Handle is_searched_file.
5002         (Input_file::open): Likewise.
5003         * readsyms.cc (Read_symbols::get_name): Likewise.
5004         * testsuite/Makefile.am (searched_file_test): New test.
5005         * testsuite/Makefile.in: Regenerate.
5006         * testsuite/searched_file_test.cc: New file.
5007         * testsuite/searched_file_test_lib.cc: New file.
5009 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5010             Ian Lance Taylor  <iant@google.com>
5012         * descriptor.cc: Include <cstdio> and "binary-io.h".
5013         (Descriptors::open): Open the files in binary mode always.
5014         * script.cc (Lex::get_token): Treat \r as whitespace.
5016 2009-10-09  Ian Lance Taylor  <iant@google.com>
5018         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5020 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5021             Ian Lance Taylor  <iant@google.com>
5023         * configure.ac: Check for readv function also.
5024         * fileread.cc (readv): Define if not HAVE_READV.
5025         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5026         does not exist.
5027         * config.in: Regenerate.
5028         * configure: Regenerate.
5030 2009-10-09  Doug Kwan  <dougkwan@google.com>
5032         * layout.cc (Layout::make_output_section): Call target hook to make
5033         ordinary output section.
5034         (Layout::finalize): Adjust parameter list of call the
5035         Target::may_relax().
5036         * layout.h (class Layout::section_list): New method.
5037         * merge.h (Output_merge_base::entsize): Change visibility to public.
5038         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5039         New methods.
5040         (Output_merge_string::do_is_string): New method.
5041         * object.cc (Sized_relobj::do_setup): renamed from
5042         Sized_relobj::set_up.
5043         * object.h (Sized_relobj::adjust_shndx,
5044         Sized_relobj::initializ_input_to_output_maps,
5045         Sized_relobj::free_input_to_output_maps): Change visibilities to
5046         protected.
5047         (Sized_relobj::setup): Virtualize.
5048         (Sized_relobj::do_setup): New method declaration.
5049         (Sized_relobj::invalidate_section_offset,
5050         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5051         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5052         * options.cc (parse_int): New function.
5053         * options.h (parse_int): New declaration.
5054         (DEFINE_int): New macro.
5055         (stub_group_size): New option.
5056         * output.cc (Output_section::Output_section): Initialize memebers
5057         merge_section_map_, merge_section_by_properties_map_,
5058         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5059         (Output_section::add_input_section): Handled deferred code-fill
5060         generation and remove an old comment.
5061         (Output_section::add_relaxed_input_section): New method definition.
5062         (Output_section::add_merge_input_section): Use merge section by
5063         properties map to speed to search.  Update merge section maps
5064         as appropriate.
5065         (Output_section::build_relaxation_map): New method definition.
5066         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5067         Same.
5068         (Output_section::relax_input_section): Renamed to
5069         Output_section::convert_input_sections_to_relaxed_sections and change
5070         interface to take a vector of pointers to relaxed sections.
5071         (Output_section::find_merge_section,
5072         Output_section::find_relaxed_input_section): New method definitions.
5073         (Output_section::is_input_address_mapped,
5074         Output_section::output_offset, Output_section::output_address):
5075         Use output section data maps to speed up searching.
5076         (Output_section::find_starting_output_address): Add comments.
5077         (Output_section::do_write,
5078         Output_section::write_to_postprocessing_buffer): Do code-fill
5079         generation as appropriate.
5080         (Output_section::get_input_sections): Invalidate relaxed input section
5081         map.
5082         (Output_section::restore_states): Adjust type of checkpoint .
5083         Invalidate relaxed input section map.
5084         * output.h (Output_merge_base): New class declaration.
5085         (Input_section_specifier): New class defintion.
5086         (class Output_relaxed_input_section) Change base class to
5087         Output_section_data_build.
5088         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5089         base class initializer.
5090         (Output_section::add_relaxed_input_section): New method declaration.
5091         (Output_section::Input_section): Change visibility to protected.
5092         (Output_section::Input_section::relobj,
5093         Output_section::Input_section::shndx): Handle relaxed input sections.
5094         Output_section::input_sections) Change visibility to protected.  Also
5095         define overload to return a non-const pointer.
5096         (Output_section::Merge_section_properties): New class defintion.
5097         (Output_section::Merge_section_by_properties_map,
5098         Output_section::Output_section_data_by_input_section_map,
5099         Output_section::Relaxation_map): New types.
5100         (Output_section::relax_input_section): Rename method to
5101         Output_section::convert_input_sections_to_relaxed_sections and change
5102         interface to take a vector of relaxed section pointers.
5103         (Output_section::find_merge_section,
5104         Output_section::find_relaxed_input_section,
5105         Output_section::build_relaxation_map,
5106         Output_section::convert_input_sections_in_list_to_relaxed_sections):
5107         New method declarations.
5108         (Output_section::merge_section_map_
5109         Output_section::merge_section_by_properties_map_,
5110         Output_section::relaxed_input_section_map_,
5111         Output_section::is_relaxed_input_section_map_valid_,
5112         Output_section::generate_code_fills_at_write_): New data members.
5113         * script-sections.cc
5114         (Output_section_element_input::set_section_addresses): Call
5115         current_data_size and addralign methods of relaxed input sections.
5116         (Orphan_output_section::set_section_addresses): Call current_data_size
5117         and addralign methods of relaxed input sections.
5118         * symtab.cc (Symbol_table::compute_final_value): Extract template
5119         from the body of Symbol_table::sized_finalize_symbol.
5120         (Symbol_table::sized_finalized_symbol): Call
5121         Symbol_table::compute_final_value.
5122         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
5123         (Symbol_table::compute_final_value): New templated method declaration.
5124         * target.cc (Target::do_make_output_section): New method defintion.
5125         * target.h (Target::make_output_section): New method declaration.
5126         (Target::relax): Add more parameters for input objects, symbol table
5127         and layout.  Adjust call to do_relax.
5128         (Target::do_make_output_section): New method declaration.
5129         (Target::do_relax): Add parameters for input objects, symbol table
5130         and layout.
5132 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5134         * pread.c: Include stdio.h.
5136 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5138         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
5139         defined.
5141 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5143         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5144         Change read_shndx type to unsigned int.
5145         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5146         int.
5147         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5148         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
5149         Change read_shndx type to unsigned int.
5150         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
5151         int.
5152         (Sized_dwarf_line_info::read_line_mappings): Likewise.
5153         * layout.cc (Layout::create_symtab_sections): Cast the result of
5154         local_symcount * symsize to off_t in the gold_assert.
5156 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5158         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
5159         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
5160         R_ARM_BASE_ABS.
5161         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
5162         (Arm_relocate_functions::thm_abs5): New function.
5163         (Arm_relocate_functions::abs12): New function.
5164         (Arm_relocate_functions::abs16): New function.
5165         (Arm_relocate_functions::base_abs): New function.
5166         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
5167         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
5168         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
5169         R_ARM_BASE_ABS.
5170         (Scan::global): Likewise.
5171         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
5172         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
5173         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
5174         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
5175         R_ARM_BASE_ABS.
5177 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5179         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
5180         (Arm_relocate_functions::movt_prel): New function.
5181         (Arm_relocate_functions::thm_movw_prel_nc): New function.
5182         (Arm_relocate_functions::thm_movt_prel): New function.
5183         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
5184         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
5185         (Scan::global, Relocate::relocate): Likewise.
5186         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5188 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5190         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
5191         Incremental_checker.
5192         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
5193         unsigned int.
5194         (class Incremental_inputs_header): New class.
5195         (Incremental_inputs_header_writer): Edit comment.
5196         (Incremental_inputs_entry): New class.
5197         (Incremental_inputs_entry_writer): Edit comment.
5198         (Sized_incremental_binary::do_find_incremental_inputs_section):
5199         Add *strtab_shndx parameter, fill it.
5200         (Sized_incremental_binary::do_check_inputs): New method.
5201         (Incremental_checker::can_incrementally_link_output_file): Use
5202         Sized_incremental_binary::check_inputs.
5203         (Incremental_inputs::report_command_line): Save command line in
5204         command_line_.
5205         * incremental.h:
5206         (Incremental_binary::find_incremental_inputs_section): New
5207         method.
5208         (Incremental_binary::do_find_incremental_inputs_section): Add
5209         strtab_shndx parameter.
5210         (Incremental_binary::do_check_inputs): New pure virtual method.
5211         (Sized_incremental_binary::do_check_inputs): Declare.
5212         (Incremental_checker::Incremental_checker): Add incremental_inputs
5213         parameter, use it to initialize incremental_inputs_.
5214         (Incremental_checker::incremental_inputs_): New field.
5215         (Incremental_checker::command_line): New method.
5216         (Incremental_checker::inputs): New method.
5217         (Incremental_checker::command_line_): New field.
5219 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
5221         * incremental.cc: Include <cstdarg> and "target-select.h".
5222         (vexplain_no_incremental): New function.
5223         (explain_no_incremental): New function.
5224         (Incremental_binary::error): New method.
5225         (Sized_incremental_binary::do_find_incremental_inputs_section): New
5226         method.
5227         (make_sized_incremental_binary): New function.
5228         (open_incremental_binary): New function.
5229         (can_incrementally_link_file): Add checks if output is ELF and has
5230         inputs section.
5231         * incremental.h: Include "elfcpp_file.h" and "output.h".
5232         (Incremental_binary): New class.
5233         (Sized_incremental_binary): New class.
5234         (open_incremental_binary): Declare.
5235         * object.cc (is_elf_object): Use
5236         elfcpp::Elf_recognizer::is_elf_file.
5237         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
5238         * output.h (Output_file::filesize): New method.
5240 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5242         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
5243         New function.
5244         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
5245         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
5246         function.
5247         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
5248         function.
5249         (Arm_relocate_functions::movw_abs_nc): New function.
5250         (Arm_relocate_functions::movt_abs): New function.
5251         (Arm_relocate_functions::thm_movw_abs_nc): New function.
5252         (Arm_relocate_functions::thm_movt_abs): New function.
5253         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
5254         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
5255         (Scan::global): Likewise.
5256         (Relocate::relocate): Likewise.
5257         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5259 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5261         * arm.cc (Arm_relocate_functions::got_prel) New function.
5262         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5263         (Relocate::relocate): Likewise.
5264         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5266 2009-10-06  Ian Lance Taylor  <iant@google.com>
5268         * options.h (class General_options): Define
5269         split_stack_adjust_size parameter.
5270         * object.h (class Object): Add uses_split_stack_ and
5271         has_no_split_stack_ fields.  Add uses_split_stack and
5272         has_no_split_stack accessor functions.  Declare
5273         handle_split_stack_section.
5274         (class Reloc_symbol_changes): Define.
5275         (class Sized_relobj): Define Function_offsets.  Declare
5276         split_stack_adjust, split_stack_adjust_reltype, and
5277         find_functions.
5278         * object.cc (Object::handle_split_stack_section): New function.
5279         (Sized_relobj::do_layout): Call handle_split_stack_section.
5280         * dynobj.cc (Sized_dynobj::do_layout): Call
5281         handle_split_stack_section.
5282         * reloc.cc (Sized_relobj::relocate_sections): Call
5283         split_stack_adjust for executable sections in split_stack
5284         objects.  Pass reloc_map to relocate_section.
5285         (Sized_relobj::split_stack_adjust): New function.
5286         (Sized_relobj::split_stack_adjust_reltype): New function.
5287         (Sized_relobj::find_functions): New function.
5288         * target-reloc.h: Include "object.h".
5289         (relocate_section): Add reloc_symbol_changes parameter.  Change
5290         all callers.
5291         * target.h (class Target): Add calls_non_split method.  Declare
5292         do_calls_non_split virtual method.  Declare match_view and
5293         set_view_to_nop.
5294         * target.cc: Include "elfcpp.h".
5295         (Target::do_calls_non_split): New function.
5296         (Target::match_view): New function.
5297         (Target::set_view_to_nop): New function.
5298         * gold.cc (queue_middle_tasks): Give an error if mixing
5299         split-stack and non-split-stack objects with -r.
5300         * i386.cc (Target_i386::relocate_section): Add
5301         reloc_symbol_changes parameter.
5302         (Target_i386::do_calls_non_split): New function.
5303         * x86_64.cc (Target_x86_64::relocate_section): Add
5304         reloc_symbol_changes parameter.
5305         (Target_x86_64::do_calls_non_split): New function.
5306         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5307         parameter.
5308         * powerpc.cc (Target_powerpc::relocate_section): Add
5309         reloc_symbol_changes parameter.
5310         * sparc.cc (Target_sparc::relocate_section): Add
5311         reloc_symbol_changes parameter.
5312         * configure.ac: Call AM_CONDITIONAL for the default target.
5313         * configure: Rebuild.
5314         * testsuite/Makefile.am (TEST_AS): New variable.
5315         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5316         (check_DATA): Add split_i386 and split_x86_64 files.
5317         (SPLIT_DEFSYMS): Define.
5318         (split_i386_[1234n].o): New targets.
5319         (split_i386_[124]): New targets.
5320         (split_i386_[1234r].stdout): New targets.
5321         (split_x86_64_[1234n].o): New targets.
5322         (split_x86_64_[124]): New targets.
5323         (split_x86_64_[1234r].stdout): New targets.
5324         (MOSTLYCLEANFILES): Add new executables.
5325         * testsuite/split_i386.sh: New file.
5326         * testsuite/split_x86_64.sh: New file.
5327         * testsuite/split_i386_1.s: New file.
5328         * testsuite/split_i386_2.s: New file.
5329         * testsuite/split_i386_3.s: New file.
5330         * testsuite/split_i386_4.s: New file.
5331         * testsuite/split_i386_n.s: New file.
5332         * testsuite/split_x86_64_1.s: New file.
5333         * testsuite/split_x86_64_2.s: New file.
5334         * testsuite/split_x86_64_3.s: New file.
5335         * testsuite/split_x86_64_4.s: New file.
5336         * testsuite/split_x86_64_n.s: New file.
5337         * testsuite/testfile.cc (Target_test): Update relocation_section
5338         function.
5339         * testsuite/Makefile.in: Rebuild.
5341 2009-10-06  Ian Lance Taylor  <iant@google.com>
5343         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5344         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5345         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5346         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5347         the address on ldo_addrs_.
5348         (Target_i386::Relocate::fix_up_ldo): New function.
5350 2009-10-06   Rafael Espindola  <espindola@google.com>
5352         * plugin.cc (add_input_library): New.
5353         (Plugin::load): Add add_input_library to tv.
5354         (Plugin_manager::add_input_file): Add the is_lib argument.
5355         (add_input_file): Update call to Plugin_manager::add_input_file.
5356         (add_input_library): New.
5357         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5359 2009-09-30  Doug Kwan  <dougkwan@google.com>
5361         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5362         symbol and call Symbol::may_need_copy_reloc to determine if
5363         a copy reloc is needed.
5364         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5365         nocopyreloc is given in command line.
5366         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5367         given in command line.
5368         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5369         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5370         of the removed Target_i386::may_need_copy_reloc.
5371         * options.h (copyreloc): New option with default value false.
5372         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5373         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5374         instead of the removed Target_powerpc::may_need_copy_reloc.
5375         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5376         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5377         instead of the removed Target_sparc::may_need_copy_reloc.
5378         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5379         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5380         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5381         instead of the removed Target_x86_64::may_need_copy_reloc.
5383 2009-09-30  Ian Lance Taylor  <iant@google.com>
5385         * object.h (class Object): Remove target_ field, and target,
5386         sized_target, and set_target methods.
5387         (Object::sized_target): Remove.
5388         (class Sized_relobj): Update declarations.  Remove sized_target.
5389         * object.cc (Sized_relobj::setup): Remove target parameter.
5390         Change all callers.
5391         (Input_objects::add_object): Don't do anything with the target.
5392         (make_elf_sized_object): Add punconfigured parameter.  Change all
5393         callers.  Set or test parameter target.
5394         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5395         Change all callers.
5396         * parameters.cc (Parameters::set_target): Change parameter type to
5397         be non-const.
5398         (Parameters::default_target): Remove.
5399         (set_parameters_target): Change parameter type to be non-const.
5400         (parameters_force_valid_target): New function.
5401         (parameters_clear_target): New function.
5402         * parameters.h (class Parameters): Update declarations.  Remove
5403         default_target method.  Add sized_target and clear_target
5404         methods.  Change target_ to be non-const.
5405         (set_parameters_target): Update declaration.
5406         (parameters_force_valid_target): Declare.
5407         (parameters_clear_target): Declare.
5408         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5409         as NULL if we aren't searching.
5410         (Add_symbols::run): Don't check for compatible target.
5411         * fileread.cc (Input_file::open_binary): Call
5412         parameters_force_valid_target.
5413         * gold.cc (queue_middle_tasks): Likewise.
5414         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5415         set_target on object.
5416         * dynobj.h (class Sized_dynobj): Update declarations.
5417         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5418         make_elf_object returns NULL.
5419         (Archive::include_member): Don't check whether object target is
5420         compatible.
5421         * output.cc (Output_section::add_input_section): Get target from
5422         parameters.
5423         (Output_section::relax_input_section): Likewise.
5424         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5425         parameters.
5426         (Sized_relobj::do_scan_relocs): Likewise.
5427         (Sized_relobj::relocate_sections): Likewise.
5428         * resolve.cc (Symbol_table::resolve): Likewise.
5429         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5430         parameter.  Change all callers.
5431         (Symbol_table::add_from_object): Get target from parameters.
5432         (Symbol_table::add_from_relobj): Don't check object target.
5433         (Symbol_table::add_from_dynobj): Likewise.
5434         (Symbol_table::define_special_symbol): Get target from
5435         parameters.
5436         * symtab.h (class Symbol_table): Update declaration.
5437         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5438         parameter.  Change all callers.  Clear parameter target.
5439         (Binary_test): Test target here.
5440         * testsuite/object_unittest.cc (gold_testsuite): Remove
5441         target_test_pointer parameter.  Change all callers.
5442         (Object_test): Test target here.
5444 2009-09-26  Ian Lance Taylor  <iant@google.com>
5446         * testsuite/initpri1.c: Don't try to use constructor priorities if
5447         compiling with gcc before 4.3.
5449 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5451         * testsuite/retain_symbols_file_test.sh (check_present): Change
5452         output file name to retain_symbols_file_test.stdout.
5453         (check_absent): Likewise.
5455 2009-09-18  Craig Silverstein  <csilvers@google.com>
5457         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5458         * options.cc: Include <cerrno> and <fstream>.
5459         (General_options::finalize): Parse -retain-symbols-file tag.
5460         * options.h: New flag.
5461         (General_options): New method should_retain_symbol, new
5462         variable symbols_to_retain.
5463         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5464         should_retain_symbol map.
5465         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5466         * testsuite/Makefile.in: Regenerate.
5467         * testsuite/retain_symbols_file_test.sh: New file.
5469 2009-09-18  Nick Clifton  <nickc@redhat.com>
5471         * po/es.po: Updated Spanish translation.
5473 2009-09-17  Doug Kwan  <dougkwan@google.com>
5475         * debug.h (DEBUG_RELAXATION): New constant.
5476         (DEBUG_ALL): Add DEBUG_RELAXATION.
5477         (debug_string_to_enum): Add relaxation debug option.
5478         * layout.cc
5479         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5480         Layout::Relaxation_debug_check::read_sections,
5481         Layout::Relaxation_debug_check::read_sections): New method definitions.
5482         (Layout::Layout): Initialize data members
5483         record_output_section_data_from_scrips_,
5484         script_output_section_data_list_ and relaxation_debug_check_.
5485         (Layout::save_segments, Layout::restore_segments,
5486         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5487         Layout::relaxation_loop_body): New method definitions.
5488         (Layout::finalize): Support relaxation.  Move section layout code to
5489         Layout::relaxation_loop_body.
5490         (Layout::set_asection_address_from_script): Move code for orphan
5491         section placement out.
5492         (Layout::place_orphan_sections_in_script): New method definition.
5493         * layout.h (Output_segment_headers, Output_file_header):
5494         New forward class declarations.
5495         (Layout::~Layout): Define.
5496         (Layout::new_output_section_data_from_script): New method definition.
5497         (Layout::place_orphan_sections_in_script): New method declaration.
5498         (Layout::Segment_states): New type declaration.
5499         (Layout::save_segments, Layout::restore_segments,
5500         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5501         Layout::relaxation_loop_body): New method declarations.
5502         (Layout::Output_section_data_list): New type declaration.
5503         (Layout::Relaxation_debug_check): New class definition.
5504         (Layout::record_output_section_data_from_script_,
5505         Layout::script_output_section_data_list_, Layout::segment_states_,
5506         Layout::relaxation_debug_check_): New data members.
5507         * output.cc: (Output_section_headers::do_size): New method definition.
5508         (Output_section_headers::Output_section_headers): Move size
5509         computation to Output_section_headers::do_size.
5510         (Output_segment_headers::do_size): New method definition.
5511         (Output_file_header::Output_file_header): Move size computation to
5512         Output_file_header::do_size and call it.
5513         (Output_file_header::do_size): New method definition.
5514         (Output_data_group::Output_data_group): Adjust call to
5515         Output_section_data.
5516         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5517         (Output_symtab_xindex::do_write): Add array bound check.
5518         (Output_section::Input_section::print_to_mapfile): Handle
5519         RELAXED_INPUT_SECTION_CODE.
5520         (Output_section::Output_section): Initialize data member checkpoint_.
5521         (Output_section::~Output_section): Delete checkpoint object pointed
5522         by checkpoint_.
5523         (Output_section::add_input_section): Always add an Input_section if
5524         relaxing.
5525         (Output_section::add_merge_input_section): Add assert.
5526         (Output_section::relax_input_section): New method definition.
5527         (Output_section::set_final_data_size): Set load address to zero for
5528         an unallocated section.
5529         (Output_section::do_address_and_file_offset_have_reset_values):
5530         New method definition.
5531         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5532         Handle relaxed input section.
5533         (Output_section::sort_attached_input_sections): Checkpoint input
5534         section list lazily.
5535         (Output_section::get_input_sections): Change type of input_sections to
5536         list of Simple_input_section pointers.  Checkpoint input section list
5537         lazily.  Also handle relaxed input sections.
5538         (Output_section::add_input_section_for_script): Take a reference to
5539         a Simple_input_section object instead of Relobj pointer and section
5540         index as parameter.  Handle relaxed input sections.
5541         (Output_section::save_states, Output_section::restore_states): New
5542         method definitions.
5543         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5544         (Output_data::is_data_size_fixed): New method definition.
5545         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5546         if it is fixed.
5547         (Output_data::address_and_file_offset_have_reset_values): New method
5548         definition.
5549         (Output_data::do_address_and_file_offset_have_reset_values): New method
5550         definition.
5551         (Output_data::set_data_size): Check that data size is not fixed.
5552         (Output_data::fix_data_size): New method definition.
5553         (Output_data::is_data_size_fixed_): New data member.
5554         (Output_section_headers::set_final_data_size): New method definition.
5555         (Output_section_headers::do_size): New method declaration.
5556         (Output_segment_headers::set_final_data_size): New method definition.
5557         (Output_segment_headers::do_size): New method declaration.
5558         (Output_file_header::set_final_data_size)::New method definition.
5559         (Output_file_header::do_size)::New method declaration.
5560         (Output_section_data::Output_section_data): Add new parameter
5561         is_data_size_fixed and use it to fix data size.
5562         (Output_data_const::Output_data_const): Adjust call to base class
5563         constructor and fix data size.
5564         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5565         base class constructor and fix data size.
5566         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5567         base class constructor and fix data size.
5568         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5569         class constructor and fix data size.
5570         (Output_data_group::set_final_data_size): New method definition.
5571         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5572         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5573         class constructor and fix data size.
5574         (Output_relaxed_input_section): New class definition.
5575         (Output_section::Simple_input_section): New class definition.
5576         (Output_section::get_input_sections): Adjust parameter list.
5577         (Output_section::add_input_section_for_script): Same.
5578         (Output_section::save_states, Output_section::restore_states,
5579         Output_section::do_address_and_file_offset_have_reset_values,
5580         (Output_section::Input_section::Input_section): Handle
5581         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5582         Output_relaxed_input_section.
5583         (Output_section::Input_section::is_input_section,
5584         Output_section::Input_section::set_output_section): Handle relaxed
5585         input section.
5586         (Output_section::Input_section::is_relaxed_input_section,
5587         Output_section::Input_section::output_section_data,
5588         Output_section::Input_section::relaxed_input_section): New method
5589         definitions.
5590         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5591         value.
5592         (Output_section::Input_section::u1_): Update comments.
5593         (Output_section::Input_section::u2_): Add new union member poris.
5594         (Output_section::Checkpoint_output_section): New classs definition.
5595         (Output_section::relax_input_section): New method declaration.
5596         (Output_section::checkpoint_): New data member.
5597         (Output_segment): Update comments.
5598         (Output_segment::Output_segment): Un-privatize copy constructor.
5599         (Output_segment::operator=): Un-privatize.
5600         * script-sections.cc (Output_section_element::Input_section_list):
5601         Change element type to Output_section::Simple_input_section.
5602         (Output_section_element_dot_assignment::set_section_addresses):
5603         Register output section data for relaxation clean up.
5604         (Output_data_exression::Output_data_expression): Adjust call to base
5605         constructor to fix data size.
5606         (Output_section_element_data::set_section_addresses): Register
5607         Output_data_expression object for relaxation clean up.
5608         (struct Input_section_info): Replace Relobj pointer and section index
5609         pair with Output_section::Simple_input_section and Convert struct to a
5610         class.
5611         (Input_section_sorter::operator()): Adjust access to
5612         Input_section_info data member to use accessors.
5613         (Output_section_element_input::set_section_addresses): Use layout
5614         parameter.  Adjust code to use Output_section::Simple_input_section
5615         and Input_secction_info classes.  Register filler for relaxation
5616         clean up.
5617         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5618         and section index pair with Output_section::Simple_input_section
5619         class.  Adjust code accordingly.
5620         (Phdrs_element::release_segment): New method definition.
5621         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5622         segment list.
5623         (Script_sections::release_segments): New method definition.
5624         * gold/script-sections.h (Script_sections::release_segments): New
5625         method declaration.
5626         * gold/target.h (Target::may_relax, Target::relax,
5627         Target::do_may_relax, Target::do_relax): New method definitions.
5629 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5631         * arm.cc (has_signed_unsigned_overflow): New function.
5632         (Arm_relocate_functions::abs8): New function.
5633         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5634         (Target_arm::Scan::global): Likewise.
5635         (Target_arm::relocate::relocate): Likewise.
5636         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5637         Likewise.
5639 2009-09-16  Cary Coutant  <ccoutant@google.com>
5641         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5642         * testsuite/Makefile.in: Regenerate.
5644 2009-09-11  Nick Clifton  <nickc@redhat.com>
5646         * po/gold.pot: Updated by the Translation project.
5648 2009-09-08  Cary Coutant  <ccoutant@google.com>
5650         * output.cc (Output_file::open): Add execute permission to empty file.
5651         * testsuite/Makefile.am (permission_test): New test.
5652         * testsuite/Makefile.in: Regenerate.
5654 2009-09-02  Ian Lance Taylor  <iant@google.com>
5656         * output.cc (Output_file::resize): Call map_no_anonymous rather
5657         than map.
5659 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5661         * gold.cc: Include "incremental.h".
5662         (queue_initial_tasks): Call Incremental_checker methods.
5663         * incremental.cc: Include "output.h".
5664         (Incremental_checker::can_incrementally_link_output_file): New
5665         method.
5666         * incremental.h (Incremental_checker): New class.
5668         * output.cc (Output_file::open_for_modification): New method.
5669         (Output_file::map_anonymous): Changed return type to bool.  Record
5670         map in base_ field.
5671         (Output_file::map_no_anonymous): New method, broken out of map.
5672         (Output_file::map): Use map_no_anonymous and map_anonymous.
5673         * output.h (class Output_file): Update declarations.
5675 2009-08-24  Cary Coutant  <ccoutant@google.com>
5677         * options.h (Command_line::Pre_options): New class.
5678         (Command_line::pre_options): New member.
5679         * options.cc (gold::options::ready_to_register): New variable.
5680         (One_option::register_option): Do nothing if not registering options.
5681         Assert if same short option registered twice.
5682         (General_options::General_options): Turn off option registration when
5683         done constructing.
5684         (Command_line::Pre_options::Pre_options): New constructor.
5686 2009-08-24  Cary Coutant  <ccoutant@google.com>
5688         * options.h (General_options::no_keep_memory): Remove incorrect
5689         short option.
5691 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5693         * Makefile.am (am__skiplex, am__skipyacc): New.
5694         * Makefile.in: Regenerate.
5696 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5698         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5699         (INCLUDES): ... this.
5700         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5701         (AM_CPPFLAGS): Renamed from ...
5702         (INCLUDE): ... this.
5703         * Makefile.in, testsuite/Makefile.in: Regenerate.
5705         * Makefile.in: Regenerate.
5706         * aclocal.m4: Likewise.
5707         * config.in: Likewise.
5708         * configure: Likewise.
5709         * testsuite/Makefile.in: Likewise.
5711         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5712         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5713         * Makefile.in: Regenerate.
5714         * testsuite/Makefile.in: Regenerate.
5716 2009-08-19  Cary Coutant  <ccoutant@google.com>
5718         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5719         symbols in shared libraries overridden by hidden or internal symbols
5720         in the main program.
5722 2009-08-19  Chris Demetriou  <cgd@google.com>
5724         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5725         checking source file names in error messages.
5727 2009-08-18  Doug Kwan  <dougkwan@google.com>
5729         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5730         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5731         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5732         an elfcpp::Ehdr as parameter.
5733         * object.cc (Object::set_target): Remove the version that looks up
5734         a target and sets it.
5735         (Sized_relobj::setup): Take a Target object instead of
5736         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5737         (make_elf_sized_object): Find target and ask target to
5738         make an ELF object.
5739         * object.h: (Object::set_target): Remove the version that looks up
5740         a target and sets it.
5741         (Sized_relobj::setup): Take a Target object instead of
5742         an elfcpp:Ehdr as parameter.
5743         * target.cc: Include dynobj.h.
5744         (Target::do_make_elf_object_implementation): New.
5745         (Target::do_make_elf_object): New.
5746         * target.h (Target::make_elf_object): New template declaration.
5747         (Target::do_make_elf_object): New method declarations.
5748         (Target::do_make_elf_object_implementation): New template declaration.
5750 2009-08-14  Ian Lance Taylor  <iant@google.com>
5752         * gold.h (FUNCTION_NAME): Define.
5753         (gold_unreachable): Use FUNCTION_NAME.
5755 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5757         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5758         symbol in the --keep-unique list is not found.
5760 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5762         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5763         been maked as --keep-unique.
5764         (Icf::unfold_section): New function.
5765         * icf.h (Icf::unfold_section): New function.
5766         * options.h (General_options::keep_unique): New option.
5767         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5768         * testsuite/Makefile.in: Regenerate.
5769         * testsuite/icf_keep_unique_test.sh: New file.
5770         * testsuite/icf_keep_unique_test.cc: New file.
5772 2009-08-12  Cary Coutant  <ccoutant@google.com>
5774         PR 10471
5775         * resolve.cc (Symbol_table::resolve): Check for references from
5776         dynamic objects to hidden and internal symbols.
5777         * testsuite/Makefile.am (hidden_test.sh): New test.
5778         * testsuite/Makefile.in: Regenerate.
5779         * testsuite/hidden_test.sh: New script.
5780         * testsuite/hidden_test_1.c: New test source.
5781         * testsuite/hidden_test_main.c: New test source.
5783 2009-08-11  Doug Kwan  <dougkwan@google.com>
5785         * arm.cc: Update comments.
5786         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5787         segment to locate the .ARM.exidx section if present.
5789 2009-08-09  Doug Kwan  <dougkwan@google.com>
5791         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5792         patch.
5794 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5795         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5796         compiler warnings.
5798 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5800         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5801         valid tls_segment only for non-debug-section relocations.
5802         * testsuite/Makefile.am: Add gc_tls_test.
5803         * testsuite/Makefile.in: Regenerate.
5804         * testsuite/gc_tls_test.cc: New file.
5805         * testsuite/gc_tls_test.sh: New file.
5807 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5809         * icf.cc: New file.
5810         * icf.h: New file.
5811         * Makefile.am (CCFILES): Add icf.cc.
5812         (HFILES): Add icf.h
5813         * Makefile.in: Regenerate.
5814         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5815         * gc.h (gc_process_relocs): Populate lists used by icf to contain
5816         section, symbol and addend information for the relocs.
5817         * gold.cc (queue_middle_tasks): Call identical code folding.
5818         * gold.h: Add defines for multimap.
5819         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
5820         to the call of finalize_local_symbols.
5821         * main.cc (main): Create object of class Icf.
5822         * object.cc (Sized_relobj::do_layout): Allow this function to be
5823         called twice during icf.
5824         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
5825         to sections marked as identical by icf.
5826         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
5827         when available.
5828         (Sized_relobj::do_section_entsize): New function.
5829         * object.h (Object::section_entsize): New function.
5830         (Object::do_section_entsize): New pure virtual function.
5831         (Relobj::finalize_local_symbols): Add new parameter.
5832         (Relobj::do_section_entsize): New function.
5833         * options.h (General_options::icf): New option.
5834         (General_options::icf_iterations): New option.
5835         (General_options::print_icf_sections): New option.
5836         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
5837         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
5838         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
5839         icf.
5840         * symtab.cc (Symbol_table::is_section_folded): New function.
5841         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
5842         to sections marked as identical by icf.
5843         * symtab.h (Symbol_table::set_icf): New function.
5844         (Symbol_table::icf): New function.
5845         (Symbol_table::is_section_folded): New function.
5846         (Symbol_table::icf_): New data member.
5847         * target-reloc.h (relocate_section): Ignore sections folded by icf.
5848         * testsuite/Makefile.am: Add commands to build icf_test.
5849         * testsuite/Makefile.in: Regenerate.
5850         * testsuite/icf_test.sh: New file.
5851         * testsuite/icf_test.cc: New file.
5853 2009-07-24  Chris Demetriou  <cgd@google.com>
5855         * layout.cc (is_compressible_debug_section): Fix incorrect
5856         comment about compressed section names.
5858 2009-07-20  Ian Lance Taylor  <ian@airs.com>
5860         PR 10419
5861         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
5863 2009-07-16  Ian Lance Taylor  <iant@google.com>
5865         PR 10400
5866         * layout.h: #include <map>.
5867         (class Kept_section): Change from struct to class.  Add accessors
5868         and setters.  Add section size to Comdat_group mapping.  Change
5869         Comdat_group to std::map.  Add is_comdat_ field.  Add
5870         linkonce_size field in union.
5871         (class Layout): Update declaration of find_or_add_kept_section.
5872         Don't declare find_kept_object.
5873         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
5874         parameter.  Add object, shndx, is_comdat, and is_group_name
5875         parameters.  Change all callers.  Adjust for new Kept_section.
5876         (Layout::find_kept_object): Remove.
5877         * object.cc (Sized_relobj::include_section_group): Update use of
5878         Kept_section.  Rename secnum to shndx.  Only record
5879         Kept_comdat_section if sections are the same size.
5880         (Sized_relobj::include_linkonce_section): Update use of
5881         Kept_section.  Only record Kept_comdat_section if sections are the
5882         same size.  Set size of linkonce section.
5883         (Sized_relobj::map_to_kept_section): Update call to
5884         get_kept_comdat_section.
5885         * object.h (class Sized_relobj): Rename fields in
5886         Kept_comdat_section to drop trailing underscores; change object
5887         field to Relobj*.  Change Kept_comdat_section_table to store
5888         struct rather than pointer.
5889         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
5890         Add kept_object and kept_shndx parameters.  Change all callers.
5891         (Sized_relobj::get_kept_comdat_section): Change return type to
5892         bool.  Add kept_object and kept_shndx parameters.  Change all
5893         callers.
5894         * plugin.cc (Pluginobj::include_comdat_group): Update call to
5895         Layout::find_or_add_kept_section.
5897 2009-07-09  Ian Lance Taylor  <iant@google.com>
5899         * merge.cc (Object_merge_map::initialize_input_to_output_map):
5900         Reserve space in the hash table.
5902 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
5904         * fileread.cc (File_read::get_mtime): New method.
5905         * fileread.h (Timespec): New structure.
5906         (File_read::get_mtime): New method.
5907         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
5908         Renamed from timestamp_nsec.
5909         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
5910         Elf_Xword.
5911         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
5912         timestamp_nsec.
5913         (Incremental_inputs::report_archive): Save mtime; style fix.
5914         (Incremental_inputs::report_obejct): Save mtime; style fix.
5915         (Incremental_inputs::report_script): Save mtime; style fix.
5916         (Incremental_inputs::finalize_inputs): Style fix.
5917         (Incremental_inputs::finalize): Style fix.
5918         (Incremental_inputs::create_input_section_data): Store inputs
5919         mtime.
5920         * incremental.h (Incremental_inputs::report_script): Add mtime
5921         argument.
5922         (Incremental_inputs::Input_info::Input_info): Intialize only one
5923         union member.
5924         (Incremental_inputs::Input_info::archive): Move to nameless
5925         union.
5926         (Incremental_inputs::Input_info::obejct): Move to nameless union.
5927         (Incremental_inputs::Input_info::script): Move to nameless union.
5928         (Incremental_inputs::mtime): New field.
5929         * script.cc (read_input_script): Pass file mtime to
5930         Incremental_input.
5931         * script.h (Script_info::inputs): Style fix.
5933 2009-07-01  Ian Lance Taylor  <ian@airs.com>
5935         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
5936         instead of 32.
5938 2009-06-24  Ian Lance Taylor  <iant@google.com>
5940         PR 10156
5941         * layout.cc (Layout::choose_output_section): If we find an
5942         existing section, update the flags.
5943         (Layout::create_notes): New function, broken out of
5944         Layout::finalize.
5945         (Layout::finalize): Don't create note sections.
5946         (Layout::create_note): Don't crash if linker script discards
5947         section.
5948         (Layout::create_gold_note): Likewise.
5949         (Layout::create_build_id): Likewise.  Don't set
5950         after_input_sections on the section.
5951         (Layout::create_executable_stack_info): Remove target parameter.
5952         Change caller.
5953         * layout.h (class Layout): Declare create_notes.  Update
5954         declaration of create_executable_stack_info.
5955         * gold.cc (queue_middle_tasks): Call create_notes.
5956         * output.cc (Output_section::update_flags_for_input_section): Move
5957         here from output.h.  If SHF_ALLOC flag is newly set, mark address
5958         invalid.
5959         * output.h (Output_data::mark_address_invalid): New function.
5960         (class Output_section): Only declare, not define,
5961         update_flags_for_input_section.  Remove set_flags.
5963 2009-06-24  Ian Lance Taylor  <iant@google.com>
5965         * script-sections.cc (Output_section_definition::
5966         set_section_addresses): Rename shadowing local load_address to
5967         laddr.
5969 2009-06-24  Ian Lance Taylor  <iant@google.com>
5971         PR 10244
5972         * reloc.cc (relocate_sections): Skip empty relocation sections.
5974 2009-06-23  Ian Lance Taylor  <iant@google.com>
5976         PR 10156
5977         * layout.cc (Layout::create_note): Use choose_output_section
5978         rather than make_output_section.
5980 2009-06-23  Ian Lance Taylor  <iant@google.com>
5982         PR 10237
5983         * options.cc (General_options::parse_V): Set printed_version_.
5984         (General_options::General_options): Initialize printed_version_.
5985         * options.h (class General_options): Add printed_version_ field.
5986         * gold.cc (queue_initial_tasks): If there are no input files,
5987         don't give a fatal error if we printed the version information.
5988         (queue_middle_tasks): If using -r with a shared object, give a
5989         fatal error rather than an ordinary error.
5991 2009-06-23  Ian Lance Taylor  <iant@google.com>
5993         PR 10219
5994         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
5995         (Layout::make_output_section): Set have_stabstr_section_ if we see
5996         a .stab*str section.
5997         (Layout::finalize): Call link_stabs_sections.
5998         (Layout::link_stabs_sections): New file.
5999         * layout.h (class Layout): Add have_stabstr_section_ field.
6000         Declare link_stabs_sections.
6002 2009-06-23  Doug Kwan  <dougkwan@google.com>
6004         * Makefile.am (libgold_a_LIBADD): New.
6005         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6006         * Makefile.in: Regenerate.
6007         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6008         * configure: Regenerate.
6009         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6010         * fileread.cc: Include sys/state.h
6011         * gold.h: Declare memmem and strndup if found missing.
6012         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6014 2009-06-23  Ian Lance Taylor  <iant@google.com>
6016         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6017         * configure: Rebuild.
6019 2009-06-23  Ian Lance Taylor  <iant@google.com>
6021         PR 10147
6022         * object.cc (Object::section_contents): Don't try to get a view if
6023         the section has length zero.
6024         (Object::handle_gnu_warning_section): If the section is empty, use
6025         the name of the section as the warning.
6027 2009-06-23  Ian Lance Taylor  <iant@google.com>
6029         PR 10133
6030         * stringpool.h (class Stringpool_template): Add optimize_ field.
6031         (Stringpool_template::set_optimize): New function.
6032         * stringpool.cc (Stringpool_template::Stringpool_template):
6033         Initialize optimize_ field.
6034         (Stringpool_template::set_string_offsets): Test local optimize
6035         fild rather than parameter.
6036         * layout.cc (Layout::Layout): Call set_optimize on the section
6037         name stringpool.
6039 2009-06-22  Ian Lance Taylor  <iant@google.com>
6041         PR 10030
6042         * yyscript.y: Parse TARGET.
6043         * script.cc (script_set_target): New function.
6044         * script-c.h (script_set_target): Declare.
6045         * options.cc (General_options::string_to_object_format): Rename
6046         from string_to_object_format in anonymous namespace.  Change
6047         callers.
6048         * options.h (class General_options): Declare
6049         string_to_object_format.
6051 2009-06-22  Ian Lance Taylor  <iant@google.com>
6053         * script-sections.cc (Script_sections::create_segments): Don't put
6054         program headers in a PT_LOAD segment if -n or -N.
6056 2009-06-22  Ian Lance Taylor  <iant@google.com>
6058         PR 10141
6059         * options.h (class General_options): Add -z lazy and -z now.  Sort
6060         -z options into alphabetical order.
6061         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6063 2009-06-21  Ian Lance Taylor  <iant@google.com>
6065         * layout.cc (Layout::make_output_section): Call
6066         Target::new_output_section.
6067         (Layout::attach_allocated_section_to_segment): Put large section
6068         sections in a separate load segment with the large segment flag
6069         set.
6070         (Layout::segment_precedes): Sort large data segments after other
6071         load segments.
6072         (align_file_offset): New static function.
6073         (Layout::set_segment_offsets): Use align_file_offset.
6074         * output.h (class Output_section): Add is_small_section_ and
6075         is_large_section_ fields.
6076         (Output_section::is_small_section): New function.
6077         (Output_section::set_is_small_section):  New function.
6078         (Output_section::is_large_section): New function.
6079         (Output_section::set_is_large_section): New function.
6080         (Output_section::is_large_data_section): New function.
6081         (class Output_segment): Add is_large_data_segment_ field.
6082         (Output_segment::is_large_data_segment): New function.
6083         (Output_segment::set_is_large_data_segment): New function.
6084         * output.cc (Output_section::Output_section): Initialize new
6085         fields.
6086         (Output_segment::Output_segment): Likewise.
6087         (Output_segment::add_output_section): Add assertion that large
6088         data sections always go in large data segments.  Force small data
6089         sections to the end of the list of data sections.  Force small BSS
6090         sections to the start of the list of BSS sections.  For large BSS
6091         sections to the end of the list of BSS sections.
6092         * symtab.h (class Symbol): Declare is_common_shndx.
6093         (Symbol::is_defined): Check Symbol::is_common_shndx.
6094         (Symbol::is_common): Likewise.
6095         (class Symbol_table): Define enum Commons_section_type.  Update
6096         declarations.  Add small_commons_ and large_commons_ fields.
6097         * symtab.cc (Symbol::is_common_shndx): New function.
6098         (Symbol_table::Symbol_table): Initialize new fields.
6099         (Symbol_table::add_from_object): Put small and large common
6100         symbols in the right list.
6101         (Symbol_table::sized_finalized_symbol): Check
6102         Symbol::is_common_shndx.
6103         (Symbol_table::sized_write_globals): Likewise.
6104         * common.cc (Symbol_table::do_allocate_commons): Allocate new
6105         common symbol lists.  Don't call do_allocate_commons_list if the
6106         list is empty.
6107         (Symbol_table::do_allocate_commons_list): Remove is_tls
6108         parameter.  Add comons_section_type parameter.  Change all
6109         callers.  Handle small and large common symbols.
6110         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
6111         Symbol::is_common_shndx.
6112         * resolve.cc (symbol_to_bits): Likewise.
6113         * target.h (Target::small_common_shndx): New function.
6114         (Target::small_common_section_flags): New function.
6115         (Target::large_common_shndx): New function.
6116         (Target::large_common_section_flags): New function.
6117         (Target::new_output_section): New function.
6118         (Target::Target_info): Add small_common_shndx, large_common_shndx,
6119         small_common_section_flags, and large_common_section_flags
6120         fields.
6121         (Target::do_new_output_section): New virtual function.
6122         * arm.cc (Target_arm::arm_info): Initialize new fields.
6123         * i386.cc (Target_i386::i386_info): Likewise.
6124         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6125         Likewise.
6126         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
6127         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6128         (Target_x86_64::do_new_output_section): New function.
6129         * configure.ac: Define conditional MCMODEL_MEDIUM.
6130         * testsuite/Makefile.am (check_PROGRAMS): Add large.
6131         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
6132         (large_LDFLAGS): Define.
6133         * testsuite/large.c: New file.
6134         * testsuite/testfile.cc (Target_test::test_target_info):
6135         Initialize new fields.
6136         * configure, testsuite/Makefile.in: Rebuild.
6138 2009-06-05  Doug Kwan  <dougkwan@google.com>
6140         * Makefile.am (CCFILES): Add target.cc.
6141         * Makefile.in: Regenerate.
6142         * i386.cc (class Target_i386): Define new virtual method to
6143         override do_is_local_label_name in parent.
6144         * object.cc (Sized_relobj::do_count_local_symbols): Discard
6145         local symbols if --discard-locals or -X is given.
6146         * options.h (class General_options): Declare new options
6147         '--discard-locals' and '-X' for discarding locals.
6148         * target.h (class Target): Define new methods is_local_label_name.
6149         Declare new virtual method do_is_local_label_name.
6150         * target.cc: New file.
6151         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
6152         (check_SCRIPTS): Add discard_locals_test.sh.
6153         (check_DATA): Add discard_local_tests.syms.
6154         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
6155         (discard_local_tests.syms, discard_locals_test.o): New make rules.
6156         * testsuite/Makefile.in: Regenerate.
6157         * testsuite/discard_locals_test.c: New file.
6158         * testsuite/discard_locals_test.sh: Same.
6160 2009-06-05  Doug Kwan  <dougkwan@google.com>
6162         * object.cc (Sized_relobj::Sized_relobj): Initialize
6163         discarded_eh_frame_shndx_ to -1U.
6164         (Sized_relobj::do_layout): Record index of a discard .eh_frame
6165         section.
6166         (Sized_relobj::do_count_local_symbols): Skip local symbols in
6167         a discarded .eh_frame section.
6168         (Sized_relobj::do_finalize_local_symbols): Ditto.
6169         * object.h (class Sized_relobj): Declare new member
6170         discarded_eh_frame_shndx_.
6171         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
6172         (local_labels_test.o, local_labels_test): New rules.
6173         * testsuite/Makefile.in: Regenerate.
6175 2009-06-04  Doug Kwan  <dougkwan@google.com>
6177         * layout.cc (Layout::section_name_mapping): Add mapping for
6178         special ARM sections.
6180 2009-06-03  Doug Kwan  <dougkwan@google.com>
6182         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
6183         (utils::has_overflow): Same.
6185 2009-06-03  Ian Lance Taylor  <iant@google.com>
6187         * layout.cc (Layout::section_name_mapping): New array, replacing
6188         Layout::linkonce_mapping.
6189         (Layout::section_name_mapping_count): New variable, replacing
6190         Layout::linkonce_mapping_count.
6191         (Layout::linkonce_output_name): Remove.
6192         (Layout::output_section_name): Rewrite.
6193         * layout.h (class Layout): Rename Linkonce_mapping to
6194         Section_name_mapping, linkonce_mapping to section_name_mapping,
6195         linkonce_mapping_count to section_name_mapping_count.  Don't
6196         declare linkonce_output_name.
6198 2009-06-03  Doug Kwan  <dougkwan@google.com>
6200         * gold/arm.cc (namespace utils): New.
6201         (Target_arm::reloc_is_non_pic): Define new method.
6202         (class Arm_relocate_functions): New.
6203         (Target_arm::Relocate::relocate): Handle relocation types used by
6204         Android.
6206 2009-06-03  Ian Lance Taylor  <iant@google.com>
6208         * arm.cc (Target_arm::scan::global): Use || instead of |.
6210 2009-06-02  Doug Kwan  <dougkwan@google.com>
6212         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
6213         issued_non_pic_error_.
6214         (class Target_arm::Scan): Declare new method check_non_pic.
6215         Define new method symbol_needs_plt_entry.
6216         Declare new data member issued_non_pic_error_.
6217         (class Target_arm::Relocate): Declare new method
6218         should_apply_static_reloc.
6219         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
6220         (Target_arm::Scan::check_non_pic): Define new method.
6221         (Target_arm::Scan::local): Handle a small subset of reloc types used
6222         by Android.
6223         (Target_arm::Scan::local): Same.
6224         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
6226 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
6228         * incremental.cc (Incremental_inputs::report_command_line): Filter
6229         out --incremental-* options.
6231 2009-05-29  Doug Kwan  <dougkwan@google.com>
6233         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
6234         template class.
6235         (class Target_arm): Update comment.
6236         (Target_arm::Target_arm): Initialize new data members GOT_,
6237         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
6238         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
6239         and Target_arm::rel_dyn_section.
6240         Declare new_enum Target_arm::Got_type.
6241         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
6242         and DYNBSS_.
6243         Update commments for member do_dynsym_value.
6244         (Target_arm::got_size, Target_arm::plt_section,
6245         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
6246         new methods inside class defintion.
6247         (Target_arm::got_section): Define new method.
6248         (Target_arm::rel_dyn_section): Same.
6249         (Output_data_plt_arm): New template class.
6250         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
6251         (Output_data_plt_arm:do_adjust_output_section): Define new method.
6252         (Output_data_plt_arm::add_entry): Same.
6253         (Output_data_plt_arm::first_plt_entry): Define new
6254         static data member for PLT instruction template.
6255         (Output_data_plt_arm::plt_entry): Same.
6256         (Output_data_plt_arm::do_write): Define new method.
6257         (Target_arm::make_plt_entry): Same.
6258         (Target_arm::do_finalize_sections): Same.
6259         (Target_arm::do_dynsym_value): Same.
6261 2009-05-28  Doug Kwan  <dougkwan@google.com>
6263         * Makefile.am (TARGETSOURCES): Add arm.cc.
6264         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6265         * Makefile.in: Regenerate.
6266         * arm.cc: New file.
6267         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6269 2009-05-26  Doug Kwan  <dougkwan@google.com>
6271         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6272         (General_options::check_excluded_libs): Strip off directories in
6273         archive name before matching like GNU ld does.
6274         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6275         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6276         (exclude_libs_test_LDFLAGS): Add linker option
6277         -Wl,--exclude-libs,libexclude_libs_test_3
6278         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6279         an explicit archive without using -l.
6280         (alt/libexclude_libs_test_3.a): New make rule.
6281         * testsuite/Makefile.in: Regenerate.
6282         * testsuite/exclude_libs_test.c : Declare lib3_default().
6283         (main): Call it.
6284         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6285         * exclude_libs_test_3.c: New file.
6287 2009-05-26  Nick Clifton  <nickc@redhat.com>
6289         * po/id.po: New Indonesian translation.
6290         * po/gold.pot: Updated template file.
6292 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6294         * testsuite/Makefile.am: Add -ffunction-sections to compile
6295         gc_comdat_test files.  Add -Wl,--gc-sections to build
6296         gc_comdat_test.
6297         * testsuite/Makefile.in: Regenerate.
6298         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6300 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6302         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6303         kept comdat section was garbage collected.
6304         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6305         * testsuite/Makefile.in: Regenerate.
6306         * testsuite/gc_comdat_test.sh: New file.
6307         * testsuite/gc_comdat_test_1.cc: New file.
6308         * testsuite/gc_comdat_test_2.cc: New file.
6310 2009-05-19  Doug Kwan  <dougkwan@google.com>
6312         * archive.cc (Archive::Archive): Move constructor from archive.h
6313         to here.  Initialize no_export_.
6314         (Archive::get_elf_object_for_member): Set no_export flag of object.
6315         * archive.h (Archive::Archive): Move constructor body to
6316         archive.cc.
6317         (Archive::no_export): New method.
6318         (Archive::no_export_): New field.
6319         * object.h (Object::Object): Initialize no_export_ to false.
6320         (Object::no_export, Object::set_no_export): New methods.
6321         (Object::no_export_): New field.
6322         * options.cc (General_options::parse_exclude_libs): New method.
6323         (General_options::check_excluded_libs) Same.
6324         * options.h (exclude_libs): New option.
6325         (General_options::check_excluded_libs): New method declaration.
6326         (General_options::excluded_libs_): New field.
6327         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6328         default or protected visibility if an object has no-export flag set.
6329         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6330         (check_SCRIPTS): Add exclude_libs_test.sh.
6331         (check_DATA): Add exclude_libs_test.syms.
6332         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6333         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6334         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6335         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6336         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6337         libexclude_libs_test_2.a): New rules.
6338         * testsuite/Makefile.in: Regenerate.
6339         * testsuite/exclude_libs_test.c: New file.
6340         * testsuite/exclude_libs_test.sh: Ditto.
6341         * testsuite/exclude_libs_test_1.c: Ditto.
6342         * testsuite/exclude_libs_test_2.c: Ditto.
6344 2009-05-15  Ian Lance Taylor  <iant@google.com>
6346         * configure.ac: Check for declarations for cases where libiberty.h
6347         checks HAVE_DECL_xxx.
6348         * configure, config.in: Rebuild.
6350 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6352         * gold.h (Incremental_argument_list): Remove (invalid) forward
6353         declaration.
6354         * incremental.cc (Incremental_inputs::report_achive): New method.
6355         (Incremental_inputs::report_object): New method.
6356         (Incremental_inputs::report_script): New method.
6357         (Incremental_inputs::finalize_inputs): New method.
6358         (Incremental_inputs::finalize): Call finalize_inputs().
6359         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6360         Create inputs entries.
6361         * incremental.h (Incremental_input_type): New enum.
6362         (Incremental_inputs::Incremental_input): Initialize new fields.
6363         (Incremental_inputs::report_inputs): New method.
6364         (Incremental_inputs::report_achive): New method.
6365         (Incremental_inputs::report_object): New method.
6366         (Incremental_inputs::report_script): New method.
6367         (Incremental_inputs::finalize_inputs): New method.
6368         (Incremental_inputs::Input_info): New struct.
6369         (Incremental_inputs::Input_info_map): New typedef.
6370         (Incremental_inputs::lock_): New field.
6371         (Incremental_inputs::Inputs_): New field.
6372         (Incremental_inputs::Inputs_map): New field.
6373         * main.cc (main): Call Incremental_input::report_inputs.
6374         * options.h (Input_argument_list): Typedef moved from
6375         Input_arguments.
6376         (Input_file_group::Files): Remove, use ::Input_argument_list.
6377         (Input_file_group::Input_argument_list): Remove, use
6378         ::Input_argument_list.
6379         * plugin.cc (Plugin_manager::add_input_file): Add error in
6380         incremental build.
6381         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6382         functions.
6383         * script.cc (read_input_script): Call
6384         Incremental_input::report_script.
6385         * script.h (Script_info): New class.
6387 2009-04-27  Ian Lance Taylor  <iant@google.com>
6389         * x86_64.cc (do_adjust_output_section): Set entsize to
6390         plt_entry_size.
6392 2009-04-23  Elliott Hughes  <enh@google.com>
6394         * output.cc (Output_file::close): After short writes, continue
6395         writing from the correct offset in the buffer being written.
6397 2009-04-23  Chris Demetriou  <cgd@google.com>
6399         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6400         * configure: Regenerate.
6401         * config.in: Regenerate.
6402         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6403         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6405 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6407         * incremental.cc (Incremental_inputs_header_data): Renamed from
6408         Incremental_input_header_data.
6409         (Incremental_inputs_header_data::data_size): New field.
6410         (Incremental_inputs_header_data::put_input_file_count): Renamed
6411         from input_file_count.
6412         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6413         from command_line_offset.
6414         (Incremental_inputs_header_data::put_reserved): Renamed from
6415         put_reserved.
6416         (Incremental_inputs_entry_data): Renamed from
6417         Incremental_input_entry_data.
6418         (Incremental_inputs_entry_data::data_size): New field.
6419         (Incremental_inputs::report_command_line): New method.
6420         (Incremental_inputs::finalize): New method.
6421         (Incremental_inputs::create_incremental_inputs_data): New method.
6422         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6423         * incremental.h: New file.
6424         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6425        (Layout::finalize): Create incremental inputs section in
6426         incremental builds.
6427        (Layout::create_incremental_info_sections): New method.
6428         * layout.h (Layout::incremental_inputs): New method.
6429        (Layout::create_incremental_info_sections): New method.
6430        (Layout::incremental_inputs_): New field.
6431         * main.cc (main): Notify Incremental_input of the command line.
6433 2009-04-01  Ian Lance Taylor  <iant@google.com>
6434             Mikolaj Zalewski  <mikolajz@google.com>
6436         * gold.h (reserve_unordered_map): Define, three versions, one for
6437         each version of Unordered_map.
6438         * layout.cc (Layout::Layout): Remove options parameter.  Add
6439         number_of_input_files parameter.  Don't initialize options_.
6440         Initialize number_of_input_files_ and resized_signatures_.  Move
6441         sections_are_attached_.
6442         (Layout::layout_group): Reserve space for group_signatures_.
6443         (Layout::find_or_add_kept_section): Change name parameter to be a
6444         reference.  Resize signatures_ map when it gets large enough.
6445         (Layout::layout_eh_frame): Use parameters->options() instead of
6446         this->options_.
6447         (Layout::make_output_section): Likewise.
6448         (Layout::attach_allocated_section_to_segment): Likewise.
6449         (Layout::finalize, Layout::create_executable_stack): Likewise.
6450         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6451         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6452         * layout.h (class Layout): Update declarations.  Remove options_
6453         field.  Add number_of_input_files_ and resized_signatures_
6454         fields.  Move sections_are_attached_ field.
6455         * main.cc (main): Pass number of input files to Layout
6456         constructor.  Don't pass options.
6458 2009-03-30  Ian Lance Taylor  <iant@google.com>
6460         * ffsll.c (ffsll): Correct implementation.
6462 2009-03-27  Ian Lance Taylor  <iant@google.com>
6464         * ffsll.c: New file.
6465         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6466         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6467         * ftruncate.c (ftruncate): Declare before definition.
6468         * mremap.c (mremap): Likewise.
6469         * pread.c (pread): Likewise.
6470         * configure, Makefile.in, config.in: Rebuild.
6472         * mremap.c: New file.
6473         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6474         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6475         (mremap): Declare if HAVE_MREMAP is not defined.
6476         * configure, Makefile.in, config.in: Rebuild.
6478 2009-03-27  Cary Coutant  <ccoutant@google.com>
6480         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6481         position independent.
6482         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6483         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6485 2009-03-24  Cary Coutant  <ccoutant@google.com>
6487         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6488         an executable.
6489         (needs_dynamic_reloc): Likewise.
6491 2009-03-24  Ian Lance Taylor  <iant@google.com>
6493         * yyscript.y (file_cmd): Recognize EXTERN.
6494         (extern_name_list, extern_name_list_body): New nonterminals.
6495         * script.cc (script_add_extern): Define.
6496         * script-c.h (script_add_extern): Declare.
6498 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6500         * object.cc (is_elf_object): Define.
6501         * object.h (is_elf_object): Declare.
6502         * archive.cc (Archive::get_elf_object_for_member): Call
6503         is_elf_object.
6504         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6506 2009-03-24  Elliott Hughes  <enh@google.com>
6508         * output.cc (Output_file::map_anonymous): Define.
6509         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6510         try an anonymous one.  Report the size if the mmap fails.
6511         * output.h (class Output_file): Declare map_anonymous.
6513 2009-03-24  Ian Lance Taylor  <iant@google.com>
6515         * target-select.cc (instantiate_target): Don't acquire the lock if
6516         the instantiated_target_ field has already been set.
6518 2009-03-23  Ian Lance Taylor  <iant@google.com>
6520         * gold-threads.h (class Initialize_lock): Define.
6521         * gold-threads.cc (class Initialize_lock_once): Define.
6522         (initialize_lock_control): New static variable.
6523         (initialize_lock_pointer): New static variable.
6524         (initialize_lock_once): New static function.
6525         (Initialize_lock::Initialize_lock): Define.
6526         (Initialize_lock::initialize): Define.
6527         * target-select.h: Include "gold-threads.h".
6528         (class Target_selector): Add lock_ and initialize_lock_ fields.
6529         Don't define instantiate_target, just declare it.
6530         * target-select.cc (Target_selector::Target_selector): Initialize
6531         new fields.
6532         (Target_selector::instantiate_target): Define.
6533         * descriptors.h: Include "gold-threads.h".
6534         (class Descriptors): Add initialize_lock_ field.
6535         * descriptors.cc (Descriptors::Descriptors): Initialize new
6536         field.
6537         (Descriptors::open): Use initialize_lock_ field
6538         * errors.h (class Errors): Add initialize_lock_ field.
6539         * errors.cc (Errors::Errors): Initialize new field.
6540         (Errors::initialize_lock): Use initialize_lock_ field.
6541         * powerpc.cc (class Target_selector_powerpc): Remove
6542         instantiated_target_ field.  In do_recognize call
6543         instantiate_target rather than do_instantiate_target.  In
6544         do_instantiate_target just allocate a new target.
6545         * sparc.cc (class Target_selector_sparc): Likewise.
6547         * freebsd.h: New file.
6548         * i386.cc: Include "freebsd.h".
6549         (Target_i386): Derive from Target_freebsd rather than
6550         Sized_target.
6551         (Target_selector_i386): Derive from Target_selector_freebsd rather
6552         than Target_selector.
6553         * x86_64.cc: Include "freebsd.h".
6554         (Target_x86_64): Derive from Target_freebsd rather than
6555         Sized_target.
6556         (Target_selector_x86_64): Derive from Target_selector_freebsd
6557         rather than Target_selector.
6558         * target.h (class Target): Add adjust_elf_header and
6559         do_adjust_elf_header.
6560         * output.cc (Output_file_header:: do_sized_write): Call target
6561         adjust_elf_header routine.
6562         * configure.tgt: Set targ_osabi.
6563         * configure.ac: Define GOLD_DEFAULT_OSABI.
6564         * parameters.cc (Parameters::default_target): Pass
6565         GOLD_DEFAULT_OSABI to select_target.
6566         * target-select.h (class Target_selector): Make instantiate_target
6567         protected rather than private.
6568         * Makefile.am (HFILES): Add freebsd.h.
6569         * configure, Makefile.in, config.in: Rebuild.
6571         * merge.cc (do_add_input_section): Correct pend value.  Change
6572         message about last entry not being null terminated from error to
6573         warning.
6575 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6577         * incremental.cc: New file.
6578         * Makefile.am (CCFILES): Add incremental.cc.
6579         * Makefile.in: Rebuild.
6581 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6583         * layout.cc (Layout::output_section_name): Preserve names
6584         of '.note.' sections.
6586 2009-03-19  Ian Lance Taylor  <iant@google.com>
6588         * descriptors.cc (Descriptors::open): Check that the options are
6589         valid before using them.
6591 2009-03-18  Ian Lance Taylor  <iant@google.com>
6593         * script-sections.h: Include <list>.
6594         (class Script_sections): Change Sections_elements from std::vector
6595         to std::list.  Typedef public Elements_iterator.  Add
6596         orphan_section_placement_, data_segment_align_start_, and
6597         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6598         field.
6599         * script-sections.cc (class Orphan_section_placement): New class.
6600         (class Sections_element): Add virtual functions is_relro and
6601         orphan_section_init.  Remove virtual function place_orphan_here.
6602         (class Output_section_definition): Add is_relro and
6603         orphan_section_init.  Remove place_orphan_here.
6604         (class Orphan_output_section): Likewise.
6605         (Script_sections::Script_sections): Update for field changes.
6606         (Script_sections::data_segment_align): Set saw_data_segment_align_
6607         and data_segment_align_start_, not data_segment_align_index.
6608         (Script_sections::data_segment_relro_end): Check
6609         saw_data_segment_align_.  Use data_segment_align_start_ rather
6610         than data_segment_align_index_.
6611         (Script_sections::place_orphan): Rewrite to use
6612         Orphan_section_placement.
6614 2009-03-17  Ian Lance Taylor  <iant@google.com>
6616         * archive.cc (Archive::add_symbols): Check for a version attached
6617         to the symbol name in the archive map.
6618         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6619         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6620         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6621         (ver_test_11.a): New target.
6622         * testsuite/Makefile.in: Rebuild.
6624         * configure.ac: Check for chsize and posix_fallocate.  Replace
6625         ftruncate.
6626         * ftruncate.c: New file, from gnulib.
6627         * output.cc (posix_fallocate): Define dummy version if not
6628         HAVE_POSIX_FALLOCATE.
6629         (Output_file::map): Call posix_fallocate rather than lseek and
6630         write.
6631         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6632         * configure, Makefile.in, config.in: Rebuild.
6634 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6636         * layout.h (Layout::create_note): Add section_name parameter.
6637         * layout.cc (Layout::create_note): Likewise.
6638         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6640 2009-03-17  Ian Lance Taylor  <iant@google.com>
6642         * descriptors.cc: Include "options.h".
6643         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6644         (Descriptors::open): Always use O_CLOEXEC when opening a new
6645         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6646         then set FD_CLOEXEC.
6648         * sparc.cc (class Target_sparc): Add has_got_section.
6649         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6650         make sure we have a GOT section.
6652         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6653         (Target_sparc::Scan::local): Likewise.
6654         (Target_sparc::Scan::global): Likewise.
6655         (Target_sparc::Relocate::relocate): Likewise.
6656         (Target_sparc::Relocate::relocate_tls): Likewise.
6658         * symtab.cc (Symbol_table::define_default_version): New function,
6659         broken out of add_from_object.
6660         (Symbol_table::add_from_object): Call define_default_version.
6661         (Symbol_table::define_special_symbol): Add resolve_oldsym
6662         parameter.  Change all callers.  If the version for a symbol comes
6663         from a version script, resolve it with the symbol with the same
6664         name with no version.  Also add the symbol without a version if
6665         appropriate.
6666         (do_define_in_output_data): If resolving with oldsym, don't delete
6667         sym.
6668         (do_define_in_output_segment): Likewise.
6669         (do_define_as_constant): Likewise.
6670         * symtab.h (class Symbol_table): Update declarations.
6672 2009-03-13  Ian Lance Taylor  <iant@google.com>
6674         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6675         (Read_symbols::requeue): New function.
6676         (Read_symbols::do_read_symbols): If make_elf_object fails because
6677         the target type is not configured, and the file was searched for,
6678         issue a warning and retry with the next directory.
6679         (Add_symbols::run): If the file has an incompatible format, and
6680         it was searched for, requeue the Read_symbols task.  On error,
6681         release the object.
6682         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6683         dirindex parameter to constructor.  Change all callers.  Declare
6684         incompatible_warning and requeue.
6685         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6686         input_argument_ and input_group_ fields.  Add them to
6687         constructor.  Change all callers.
6688         (class Read_script): Add dirindex_ field.  Add it to constructor.
6689         Change all callers.
6690         * archive.cc (Archive::setup): Remove input_objects parameter.
6691         Change all callers.
6692         (Archive::get_file_and_offset): Likewise.
6693         (Archive::read_all_symbols): Likewise.
6694         (Archive::read_symbols): Likewise.
6695         (Archive::get_elf_object_for_member): Remove input_objects
6696         parameter.  Add punconfigured parameter.  Change all callers.
6697         (Archive::add_symbols): Change return type to bool.  Check return
6698         value of include_member.
6699         (Archive::include_all_members): Likewise.
6700         (Archive::include_member): Change return type to bool.  Return
6701         false if first included object has incompatible target.  Set
6702         included_member_ field.
6703         (Add_archive_symbols::run): If add_symbols returns false, requeue
6704         Read_symbols task.
6705         * archive.h (class Archive): Add included_member_ field.
6706         Initialize it in constructor.  Add input_file and searched_for
6707         methods.  Update declarations.
6708         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6709         input_argument_ fields.  Add them to constructor.  Change all
6710         callers.
6711         * script.cc: Include "target-select.h".
6712         (class Parser_closure): Add skip_on_incompatible_target_ and
6713         found_incompatible_target_ fields.  Add
6714         skip_on_incompatible_target parameter to constructor.  Change all
6715         callers.  Add methods skip_on_incompatible_target,
6716         clear_skip_on_incompatible_target, found_incompatible_target, and
6717         set_found_incompatible_target.
6718         (read_input_script): Add dirindex parameter.  Change all callers.
6719         If parser finds an incompatible target, requeue Read_symbols
6720         task.
6721         (script_set_symbol): Clear skip_on_incompatible_target in
6722         closure.
6723         (script_add_assertion, script_parse_option): Likewise.
6724         (script_start_sections, script_add_phdr): Likewise.
6725         (script_check_output_format): New function.
6726         * script.h (read_input_script): Update declaration.
6727         * script-c.h (script_check_output_format): Declare.
6728         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6729         (ignore_cmd): Remove OUTPUT_FORMAT.
6730         * fileread.cc (Input_file::Input_file): Add explicit this.
6731         (Input_file::will_search_for): New function.
6732         (Input_file::open): Add pindex parameter.  Change all callers.
6733         * fileread.h (class Input_file): Add input_file_argument method.
6734         Declare will_search_for.  Update declarations.
6735         * object.cc (make_elf_object): Add punconfigured parameter.
6736         Change all callers.
6737         * object.h (class Object): Make input_file public.  Add
6738         searched_for method.
6739         (make_elf_object): Update declaration.
6740         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6741         restart search.
6742         * dirsearch.h (class Dirsearch): Update declaration.
6743         * options.h (class General_options): Add --warn-search-mismatch.
6744         * parameters.cc (Parameters::is_compatible_target): New function.
6745         * parameters.h (class Parameters): Declare is_compatible_target.
6746         * workqueue.cc (Workqueue::add_blocker): New function.
6747         * workqueue.h (class Workqueue): Declare add_blocker.
6749         * fileread.cc (Input_file::open): Remove options parameter.
6750         Change all callers.
6751         (Input_file::open_binary): Likewise.
6752         * script.cc (read_input_script): Likewise.
6753         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6754         options parameter from constructor.  Change all callers.
6755         (class Read_script): Likewise.
6756         * fileread.h (class Input_file): Update declarations.
6757         * script.h (read_input_script): Update declaration.
6759 2009-03-10  Nick Clifton  <nickc@redhat.com>
6761         * po/es.po: New Spanish translation.
6763 2009-03-06  Cary Coutant  <ccoutant@google.com>
6765         * options.cc (parse_short_option): Keep dash_z from registering itself.
6767 2009-03-03  Ian Lance Taylor  <iant@google.com>
6769         PR 9918
6770         * target-reloc.h (relocate_section): Pass output_section to
6771         relocate.
6772         * i386.cc (Target_i386::should_apply_static_reloc): Add
6773         output_section parameter.  Change all callers.
6774         (Target_i386::Relocate::relocate): Add output_section parameter.
6775         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6776         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6777         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6778         * testsuite/two_file_shared.sh: New script.
6779         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6780         (check_DATA): Add two_file_shared.dbg.
6781         (two_file_shared.dbg): New target.
6782         * testsuite/Makefile.in: Rebuild.
6784 2009-03-01  Ian Lance Taylor  <iant@google.com>
6786         * configure.ac: Check for byteswap.h.
6787         * configure: Rebuild.
6788         * config.in: Rebuild.
6790 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6792         * layout.cc (Layout::find_or_add_kept_section): New function.
6793         (Layout::add_comdat): Removed.
6794         * layout.h (struct Kept_section): Move out of class Layout.
6795         Remove trailing underscores from field names.  Add group_sections
6796         field.  Rename group_ field to is_group.  Change all uses.
6797         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6798         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6799         comdat_groups_ field.
6800         (Sized_relobj::include_section_group): Use
6801         find_or_add_kept_section and Kept_section::group_sections.
6802         (Sized_relobj::include_linkonce_section): Likewise.
6803         * object.cc (class Sized_relobj): Don't define Comdat_group or
6804         Comdat_group_table.  Remove find_comdat_group and
6805         add_comdat_group.  Remove comdat_groups_ field.
6806         * plugin.cc (include_comdat_group): Use
6807         Layout::find_or_add_kept_section.
6809 2009-02-28  Ian Lance Taylor  <iant@google.com>
6811         * README: --gc-sections and map files are now supported.  Document
6812         some build requirements.
6814         PR 6992
6815         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6816         relocatable link set the value of the section symbol to zero.
6817         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
6818         relocatable link don't include the section address in the local
6819         symbol value.
6821 2009-02-27  Ian Lance Taylor  <iant@google.com>
6823         PR 6811
6824         * options.h (class Search_directory): Add is_system_directory.
6825         (class General_options): Declare is_in_system_directory.
6826         * options.cc (get_relative_sysroot): Make static.
6827         (get_default_sysroot): Make static.
6828         (General_optoins::is_in_system_directory): New function.
6829         * fileread.cc (Input_file::is_in_system_directory): New function.
6830         * fileread.h (class Input_file): Declare is_in_system_directory.
6831         * object.h (class Object): Add is_in_system_directory.
6832         (class Input_objects): Remove system_library_directory_ field.
6833         * object.cc (Input_objects::add_object): Don't set
6834         system_library_directory_.
6835         (input_objects::found_in_system_library_directory): Remove.
6836         * symtab.cc (Symbol_table::write_globals): Remove input_objects
6837         parameter.  Change all callers.
6838         (Symbol_table::sized_write_globals): Likewise.
6839         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
6840         Call Object::is_in_system_directory.
6841         * symtab.h (class Symbol_table): Update declarations.
6843         PR 5990
6844         * descriptors.h (Open_descriptor): Add is_on_stack field.
6845         * descriptors.cc (Descriptors::open): If the descriptor is on the
6846         top of the stack, remove it.  Initialize is_on_stack field.
6847         (Descriptors::release): Only add pod to stack if it is not on the
6848         stack already.
6849         (Descriptors::close_some_descriptor): Clear stack_next and
6850         is_on_stack fields.
6852         PR 7091
6853         * output.cc (Output_section::find_starting_output_address): Rename
6854         from starting_output_address; add PADDR parameter; change return
6855         type.
6856         * output.h (class Output_section): Declare
6857         find_starting_output_address instead of starting_output_address.
6858         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
6859         section symbol for which we can't find a merge section.
6861         PR 9836
6862         * symtab.cc (Symbol_table::add_from_object): If the visibility is
6863         hidden or internal, force the symbol to be local.
6864         * resolve.cc (Symbol::override_visibility): Define.
6865         (Symbol::override_base): Use override_visibility.
6866         (Symbol_table::resolve): Likewise.
6867         (Symbol::override_base_with_special): Likewise.
6868         (Symbol_table::override_with_special): If the visibility is hidden
6869         or internal, force the symbol to be local.
6870         * symtab.h (class Symbol): Add set_visibility and
6871         override_visibility.
6872         * testsuite/ver_test_1.sh: New file.
6873         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
6874         (check_DATA): Add ver_test_1.syms.
6875         (ver_test_1.syms): New target.
6876         * testsuite/Makefile.in: Rebuild.
6878 2009-02-25  Cary Coutant  <ccoutant@google.com>
6880         * layout.cc (Layout::choose_output_section): Don't rename sections
6881         when using a linker script that has a SECTIONS clause.
6882         * Makefile.in: Regenerate.
6884         * testsuite/Makefile.am (script_test_5.sh): New test case.
6885         * testsuite/Makefile.in: Regenerate.
6886         * testsuite/script_test_5.cc: New file.
6887         * testsuite/script_test_5.sh: New file.
6888         * testsuite/script_test_5.t: New file.
6890 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
6892         * archive.cc (Archive::include_member): Update calls to add_symbols.
6893         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
6894         the Layout argument.
6895         * dynobj.h (do_add_symbols): Add the Layout argument.
6896         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
6897         Layout argument.
6898         * object.h (Object::add_symbols): Add the Layout argument.
6899         (Object::do_add_symbols): Add the Layout argument.
6900         (Sized_relobj::do_add_symbols): Add the Layout argument.
6901         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
6902         Unify the two versions.
6903         (Add_plugin_symbols): Remove.
6904         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
6905         (Sized_pluginobj::do_add_symbols): Unify the two versions.
6906         (Add_plugin_symbols): Remove.
6907         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
6908         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
6909         (Add_symbols::run): Make it work with Pulginobj.
6911 2009-02-06  Ian Lance Taylor  <iant@google.com>
6913         * object.cc (Sized_relobj::do_layout): Make info message start
6914         with lower case letter.
6916 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
6918         * binary.cc: Fix file comment.
6920         * options.h (enum Incremental_disposition): Define.
6921         (class General_options): Add new options: --incremental,
6922         --incremental_changed, --incremental_unchanged,
6923         --incremental_unknown.  Add incremental_disposition_ and
6924         implicit_incremental_ fields.
6925         (General_options::incremental_disposition): New function.
6926         (class Position_dependent_options): Add incremental_disposition
6927         option.
6928         (Position_dependent_options::copy_from_options): Set incremental
6929         dispositions.
6930         * options.cc (General_options::parse_incremental_changed): New
6931         function.
6932         (General_options::parse_incremental_unchanged): New function.
6933         (General_options::parse_incremental_unknown): New function.
6934         (General_options::General_options): Initialize new fields
6935         incremental_disposition_ and implicit_incremental_.
6936         (General_options::finalize): Check for uasge of --incremental-*
6937         without --incremental.
6939 2009-02-06  Chris Demetriou  <cgd@google.com>
6941         * gold.h (gold_undefined_symbol): Change to take only a Symbol
6942         pointer and to report location as the file name associated with
6943         the symbol.
6944         (gold_undefined_symbol_at_location): New function to replace the
6945         old gold_undefined_symbol functionality.
6946         * target-reloc.h (relocate_section): Update to use
6947         gold_undefined_symbol_at_location.
6948         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6949         Call gold_undefined_symbol function rather than gold_error.
6950         * errors.h (Errors::undefined_symbol): Take location as a
6951         string, rather than calculating it from a relocation.
6952         * errors.cc (Errors::fatal): Print "fatal error:" before the
6953         formatted message.
6954         (Errors::error, Errors::error_at_location): Print "error: "
6955         before the formatted message.
6956         (Errors::undefined_symbol): Take location as a string, rather
6957         than calculating it from a relocation.
6958         (gold_undefined_symbol_at_location): New function akin to
6959         old gold_undefined_symbol, calculates location from relocation.
6960         (gold_undefined_symbol): Change to take only a Symbol pointer
6961         and to report location as the file name associated with the symbol.
6962         * testsuite/debug_msg.sh: Update for changed error messages.
6963         * testsuite/undef_symbol.sh: Likewise.
6965 2009-02-04  Duncan Sands  <baldrick@free.fr>
6967         PR 9812
6968         * reduced_debug_output.h
6969         (Output_reduced_debug_abbrev_section::failed): Use format for
6970         gold_warning.
6971         (Output_reduced_debug_info_section::faild): Likewise.
6973 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
6975         * script.cc (Lazy_demangler): New class.
6976         (Version_script_info::get_symbol_version_helper): Demangle a
6977         symbol only once.
6979 2009-01-29  Cary Coutant  <ccoutant@google.com>
6981         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
6982         to __tls_get_addr.
6983         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6985 2009-01-28  Ian Lance Taylor  <iant@google.com>
6987         * version.cc (version_string): Bump to 1.9.
6989         * gold.h: Include <cstring> and <stdint.h>.
6990         * version.cc: Include <cstdio>.
6991         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
6992         warning.
6993         * reduced_debug_output.cc (insert_into_vector): Rename from
6994         Insert_into_vector; change all callers.  Use Swap_unaligned to
6995         avoid aliasing issue; remove union since it is unnecessary.
6997 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
6999         * Makefile.am (CCFILES): Add gc.cc.
7000         (HFILES): Add gc.h.
7001         * Makefile.in: Regenerate.
7002         * gold.cc (Gc_runner): New class.
7003         (queue_initial_tasks): Call garbage collection related tasks
7004         when corresponding options are invoked.
7005         (queue_middle_gc_tasks): New function.
7006         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7007         processed early before laying out sections during garbage collection.
7008         * gold.h (queue_middle_gc_tasks): New function.
7009         (is_prefix_of): Move from "layout.cc".
7010         * i386.cc (Target_i386::gc_process_relocs): New function.
7011         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7012         * main.cc (main): Create object of class "Garbage_collection".
7013         * object.cc (Relobj::copy_symbols_data): New function.
7014         (Relobj::is_section_name_included): New function.
7015         (Sized_relobj::do_layout): Allow this function to be called twice
7016         during garbage collection and defer layout of section during the
7017         first call.
7018         * object.h (Relobj::get_symbols_data): New function.
7019         (Relobj::is_section_name_included): New function.
7020         (Relobj::copy_symbols_data): New function.
7021         (Relobj::set_symbols_data): New function.
7022         (Relobj::get_relocs_data): New function.
7023         (Relobj::set_relocs_data): New function.
7024         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7025         (Relobj::gc_process_relocs): New function.
7026         (Relobj::do_gc_process_relocs): New pure virtual function.
7027         (Relobj::sd_): New data member.
7028         (Sized_relobj::is_output_section_offset_invalid): New function.
7029         (Sized_relobj::do_gc_process_relocs): New function.
7030         * options.h (General_options::gc_sections): Modify to not be a no-op.
7031         (General_options::print_gc_sections): New option.
7032         * plugin.cc (Plugin_finish::run): Remove function call to
7033         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7034         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7035         * reloc.cc (Read_relocs::run): Add task to process relocs and
7036         determine unreferenced sections when doing garbage collection.
7037         (Gc_process_relocs): New class.
7038         (Sized_relobj::do_gc_process_relocs): New function.
7039         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7040         sections that are garbage collected.
7041         * reloc.h (Gc_process_relocs): New class.
7042         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7043         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7044         symbols whose corresponding sections are garbage collected.
7045         (Symbol_table::Symbol_table): Add new parameter for the garbage
7046         collection object.
7047         (Symbol_table::gc_mark_undef_symbols): New function.
7048         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7049         (Symbol_table::gc_mark_dyn_syms): New function.
7050         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7051         as garbage.
7052         (Symbol_table::add_from_object): Likewise.
7053         (Symbol_table::add_from_relobj): When building shared objects, do not
7054         treat externally visible symbols as garbage.
7055         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7056         table information for static and relocatable links.
7057         * symtab.h (Symbol_table::set_gc): New function.
7058         (Symbol_table::gc): New function.
7059         (Symbol_table::gc_mark_undef_symbols): New function.
7060         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7061         (Symbol_table::gc_mark_dyn_syms): New function.
7062         (Symbol_table::gc_): New data member.
7063         * target.h (Sized_target::gc_process_relocs): New pure virtual
7064         function.
7065         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7066         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7068 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7070         * options.h (General_options::gc_sections): Define as a no-op for now.
7071         (General_options::no_keep_memory): Ditto.
7072         (General_options::Bshareable): Define.
7073         * options.cc (General_options::finalize): Honor -Bshareable.
7075 2009-01-20  Andreas Schwab  <schwab@suse.de>
7077         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7078         read the value in the contents, since we don't use it.  Use the
7079         template endianness when writing.
7080         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7082 2009-01-19  Andreas Schwab  <schwab@suse.de>
7084         * configure.tgt (powerpc64-*): Fix targ_obj.
7086 2009-01-15  Ian Lance Taylor  <iant@google.com>
7088         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7089         local symbols when stripping all symbols.
7091 2009-01-14  Cary Coutant  <ccoutant@google.com>
7093         * output.cc (Output_reloc): Add explicit instantiations.
7095 2009-01-14  Cary Coutant  <ccoutant@google.com>
7097         * archive.cc (Archive::get_elf_object_for_member): Remove call
7098         to File_read::claim_for_plugin.
7099         * descriptors.cc (Descriptors::open): Remove reference to
7100         is_claimed.
7101         (Descriptors::claim_for_plugin): Remove.
7102         * descriptors.h (Descriptors::claim_for_plugin): Remove.
7103         (Descriptors::is_claimed): Remove.
7104         (claim_descriptor_for_plugin): Remove.
7105         * fileread.cc (File_read::claim_for_plugin): Remove.
7106         * fileread.h (File_read::claim_for_plugin): Remove.
7107         (File_read::descriptor): Reopen descriptor if necessary.
7108         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
7109         (Plugin_manager::all_symbols_read): Add task parameter. Change
7110         all callers.
7111         (Plugin_manager::get_input_file): New function.
7112         (Plugin_manager::release_input_file): New function.
7113         (Pluginobj::Pluginobj): Add filesize parameter and initialize
7114         corresponding data member.
7115         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
7116         and pass to base constructor. Change all callers.
7117         (get_input_file, release_input_file): New functions.
7118         (make_sized_plugin_object): Add filesize parameter. Change all callers.
7119         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
7120         (Plugin_manager::all_symbols_read): Add task parameter.
7121         (Plugin_manager::get_input_file): New function.
7122         (Plugin_manager::release_input_file): New function.
7123         (Plugin_manager::task_): New data member.
7124         (Pluginobj::Pluginobj): Add filesize parameter.
7125         (Pluginobj::filename): New function.
7126         (Pluginobj::descriptor): New function.
7127         (Pluginobj::filesize): New function.
7128         (Pluginobj::filesize_): New data member.
7129         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
7130         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
7131         File_read::claim_for_plugin; use Object::unlock to unlock the file.
7133         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
7134         with archive libraries.
7135         * testsuite/Makefile.in: Regenerate.
7136         * testsuite/plugin_test.c (struct sym_info): New type.
7137         (get_input_file, release_input_file): New static variables.
7138         (onload): Capture new transfer vector entries.
7139         (claim_file_hook): Stop reading at end of file according to filesize.
7140         Factor out parsing of readelf output into separate function.
7141         (all_symbols_read_hook): Exercise get_input_file and release_input_file
7142         APIs and get the source file name from the symbol table.  Convert
7143         source file name to corresponding object file name.  Print info
7144         message when adding new input files.
7145         (parse_readelf_line): New function.
7146         * testsuite/plugin_test_1.sh: Add checks for new info messages.
7147         * testsuite/plugin_test_2.sh: Likewise.
7148         * testsuite/plugin_test_3.sh: Likewise.
7149         * testsuite/plugin_test_4.sh: New test case.
7151 2009-01-07  Ian Lance Taylor  <iant@google.com>
7153         * version.cc (version_string): Bump to 1.8.
7155 2008-12-23  Cary Coutant  <ccoutant@google.com>
7157         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
7158         * plugin.cc (Plugin_manager::finish): Rename as
7159         layout_deferred_objects.  Move cleanup to separate function.
7160         (Plugin_manager::cleanup): New function.
7161         (Plugin_finish::run): Call layout_deferred_objects and cleanup
7162         separately.
7163         * plugin.h (Plugin_manager::finish): Rename as
7164         layout_deferred_objects.
7165         (Plugin_manager::cleanup): New function.
7166         (Plugin_manager::cleanup_done): New field.
7168 2008-12-23  Cary Coutant  <ccoutant@google.com>
7170         * plugin.cc (is_visible_from_outside): New function.
7171         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
7172         so we don't return "IR only" status for exported symbols or -r links.
7174         * testsuite/Makefile.am (plugin_test_3): New test case.
7175         * testsuite/Makefile.in: Regenerate.
7176         * testsuite/plugin_test_3.sh: New file.
7178 2008-12-22  Cary Coutant  <ccoutant@google.com>
7180         * object.cc (Sized_relobj::layout_section): New function.
7181         (Sized_relobj::do_layout): Defer layout of input sections until after
7182         plugin has provided replacement files.
7183         (Sized_relobj::do_layout_deferred_sections): New function.
7184         * object.h (Relobj::set_section_offset): Remove virtual keyword.
7185         (Relobj::layout_deferred_sections): New function.
7186         (Relobj::do_layout_deferred_sections): New function.
7187         (Sized_relobj::do_layout_deferred_sections): New function.
7188         (Sized_relobj::layout_section): New function.
7189         (Sized_relobj::Deferred_layout): New structure.
7190         (Sized_relobj::deferred_layout_): New field.
7191         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
7192         Change all callers.  Layout deferred sections.
7193         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
7194         references.
7195         (Plugin_hook::run): Move code from do_plugin_hook inline.
7196         (Plugin_hook::do_plugin_hook): Remove.
7197         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
7198         (Plugin_manager::finish): Renamed, was cleanup.
7199         (Plugin_manager::should_defer_layout): New function.
7200         (Plugin_manager::add_deferred_layout_object): New function.
7201         (Plugin_manager::Deferred_layout_list): New type.
7202         (Plugin_manager::deferred_layout_objects_): New field.
7203         (Plugin_hook::do_plugin_hook): Remove.
7205 2008-12-17  Ian Lance Taylor  <iant@google.com>
7207         * options.h (class General_options): Add --no case for
7208         --export-dynamic.
7210 2008-12-16  Cary Coutant  <ccoutant@google.com>
7212         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
7213         vector.
7214         (Plugin_manager::claim_file): Create plugin object even if
7215         plugin did not call the add_symbols callback.
7216         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
7217         asking for more symbols than were added.
7218         * testsuite/Makefile.am (plugin_test_1): Add test case with
7219         no global symbols.
7220         (empty.syms): New target.
7221         * testsuite/Makefile.in: Regenerate.
7222         * testsuite/plugin_test.c (claim_file_hook): Add new debug
7223         message. Don't call add_symbols if no globals.
7224         (all_symbols_read_hook): Don't provide replacement for empty
7225         claimed file.
7227 2008-12-12  Ian Lance Taylor  <iant@google.com>
7229         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
7230         r_type == 0 for a local symbol with r_sym == 0.
7231         (scan_relocatable_relocs): Pass r_sym to
7232         local_non_section_strategy.
7233         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
7234         r_sym parameter.
7236         * configure.ac: Update test for TLS descriptors: they are
7237         supported as of glibc 2.9.
7238         * configure: Rebuild.
7240 2008-12-11  Ian Lance Taylor  <iant@google.com>
7242         PR 7091
7243         * target-reloc.h (Default_scan_relocatable_relocs): For each
7244         function, map r_type == 0 to RELOC_DISCARD.
7246 2008-12-10  Cary Coutant  <ccoutant@google.com>
7248         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
7249         object to override a kept COMDAT group from a plugin object.
7251 2008-12-09  Ian Lance Taylor  <iant@google.com>
7253         PR 7088
7254         * yyscript.y (file_cmd): Handle INPUT.
7256         * testsuite/initpri1.c: Change all declarations to be full
7257         prototypes by adding void, to avoid compiler warnings.
7259 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7261         * options.cc (General_options::parse_plugin_opt): New.
7262         (General_options::add_plugin): The argument now is just the filename.
7263         (General_options::add_plugin_option): New.
7264         * options.h (plugin_opt): New.
7265         (add_plugin): Change argument name.
7266         (add_plugin_option): New.
7267         * plugin.cc (Plugin::load): Don't parse the plugin option.
7268         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7269         (Plugin::add_option): New.
7270         (Plugin::args_): Change type.
7271         (Plugin::filename_): New.
7272         (Plugin_manager::add_plugin_option): New.
7273         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7274         * testsuite/Makefile.in: Regenerate.
7276 2008-12-05  Cary Coutant  <ccoutant@google.com>
7278         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7279         Handle --strip-lto-sections option.
7280         * options.h (strip_lto_sections): New option.
7282 2008-12-01  Cary Coutant  <ccoutant@google.com>
7284         * plugin.cc (ld_plugin_message): Change format parameter to const.
7285         Fix mismatch between new[] and delete.
7287 2008-11-14  Cary Coutant  <ccoutant@google.com>
7289         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7290         instead of -1U.
7292 2008-11-05  Craig Silverstein  <csilvers@google.com>
7294         * options.cc (General_options::parse_dynamic_list): New function.
7295         * options.h (General_options): New flags dynamic_list,
7296         dynamic_list_data, dynamic_list_cpp_new, and
7297         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7298         (General_options::in_dynamic_list): New function.
7299         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7300         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7301         (Lex::can_continue_name): Likewise.
7302         (yylex): Likewise.
7303         (read_script_file): New parameter script_options.
7304         (read_dynamic_list): New function.
7305         (Script_options::define_dynamic_list): New function.
7306         (dynamic_list_keyword_parsecodes): New variable.
7307         (dynamic_list_keywords): New variable.
7308         * script.h (Script_options::define_dynamic_list): New function
7309         prototype.
7310         (read_dynamic_list): New function prototype.
7311         * symtab.cc (strprefix): New macro.
7312         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7313         dynamic_list_data, dynamic_list_cpp_new, and
7314         dynamic_list_cpp_typeinfo.
7315         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7316         (dynamic_list_expr): New rule.
7317         (dynamic_list_nodes): Likewise.
7318         (dynamic_list_node): Likewise.
7319         * testsuite/Makefile.am (dynamic_list): New test.
7320         * testsuite/Makefile.in: Regenerated.
7321         * testsuite/dynamic_list.t: New file.
7322         * testsuite/dynamic_list.sh: New file.
7324 2008-11-05  Craig Silverstein  <csilvers@google.com>
7326         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7327         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7328         (t11_last): Likewise.
7329         * testsuite/ver_test_6.c (main): Likewise.
7331 2008-10-07  Cary Coutant  <ccoutant@google.com>
7333         * options.c (General_options::finalize): Add check for -static and
7334         -shared.
7335         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7336         is not empty.
7338 2008-10-02  Cary Coutant  <ccoutant@google.com>
7340         * plugin.cc (make_sized_plugin_object): Fix conditional
7341         compilation to work when not all targets are enabled.
7343 2008-09-29  Cary Coutant  <ccoutant@google.com>
7345         * archive.cc (Archive::get_file_and_offset): Use filename instead
7346         of name to get library path.
7347         (Archive::include_member): Unlock external member of a thin archive.
7349         * testsuite/Makefile.am (TEST_AR): New variable.
7350         (thin_archive_test_1): New test.
7351         (thin_archive_test_2): New test.
7352         * testsuite/Makefile.in: Regenerate.
7353         * testsuite/thin_archive_main.cc: New file.
7354         * testsuite/thin_archive_test_1.cc: New file.
7355         * testsuite/thin_archive_test_2.cc: New file.
7356         * testsuite/thin_archive_test_3.cc: New file.
7357         * testsuite/thin_archive_test_4.cc: New file.
7359 2008-09-29  Cary Coutant  <ccoutant@google.com>
7361         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7362         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7363         instead of -1U.
7364         (Sized_relobj::do_finalize_local_symbols): Likewise.
7365         (Sized_relobj::map_to_kept_section): Likewise.
7366         * object.h (Sized_relobj::invalid_address): New constant.
7367         (Sized_relobj::do_output_section_offset): Check for invalid_address
7368         and return -1ULL.
7369         * output.cc (Output_reloc::local_section_offset): Use constant
7370         invalid_address instead of -1U.
7371         (Output_reloc::get_address): Likewise.
7372         (Output_section::output_address): Change -1U to -1ULL.
7373         * output.h (Output_reloc::invalid_address): New constant.
7374         * reloc.cc (Sized_relobj::write_sections): Use constant
7375         invalid_address instead of -1U.
7376         (Sized_relobj::relocate_sections): Likewise.
7377         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7378         values for merge sections.
7379         * target-reloc.h (relocate_for_relocatable): Use constant
7380         invalid_address instead of -1U.
7382 2008-09-19  Cary Coutant  <ccoutant@google.com>
7384         Add plugin functionality for link-time optimization (LTO).
7385         * configure.ac (plugins): Add --enable-plugins option.
7386         * configure: Regenerate.
7387         * config.in: Regenerate.
7388         * Makefile.am (LIBDL): New variable.
7389         (CCFILES): Add plugin.cc.
7390         (HFILES): Add plugin.h.
7391         (ldadd_var): Add LIBDL.
7392         * Makefile.in: Regenerate.
7394         * archive.cc: Include "plugin.h".
7395         (Archive::setup): Don't preread archive symbols when using a plugin.
7396         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7397         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7398         files.
7399         (Archive::include_member): Add symbols from plugin objects.
7400         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7401         * descriptors.cc (Descriptors::open): Check for file descriptors
7402         abandoned by plugins.
7403         (Descriptors::claim_for_plugin): New function.
7404         * descriptors.h (Descriptors::claim_for_plugin): New function.
7405         (Open_descriptor::is_claimed): New field.
7406         (claim_descriptor_for_plugin): New function.
7407         * fileread.cc (File_read::claim_for_plugin): New function.
7408         * fileread.h (File_read::claim_for_plugin): New function.
7409         (File_read::descriptor): New function.
7410         * gold.cc: Include "plugin.h".
7411         (queue_initial_tasks): Add task to call plugin hooks for generating
7412         new object files.
7413         * main.cc: Include "plugin.h".
7414         (main): Load plugin libraries.
7415         * object.h (Pluginobj): Declare.
7416         (Object::pluginobj): New function.
7417         (Object::do_pluginobj): New function.
7418         (Object::set_target): New function.
7419         * options.cc: Include "plugin.h".
7420         (General_options::parse_plugin): New function.
7421         (General_options::General_options): Initialize plugins_ field.
7422         (General_options::add_plugin): New function.
7423         * options.h (Plugin_manager): Declare.
7424         (General_options): Add --plugin option.
7425         (General_options::has_plugins): New function.
7426         (General_options::plugins): New function.
7427         (General_options::add_plugin): New function.
7428         (General_options::plugins_): New field.
7429         * plugin.cc: New file.
7430         * plugin.h: New file.
7431         * readsyms.cc: Include "plugin.h".
7432         (Read_symbols::do_read_symbols): Check for archive before checking
7433         for ELF file.  Call plugin hooks to claim files.
7434         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7435         from a real object file; force override when processing replacement
7436         files.
7437         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7438         (Symbol::init_base_object): Likewise.
7439         (Symbol::init_base_output_data): Likewise.
7440         (Symbol::init_base_output_segment): Likewise.
7441         (Symbol::init_base_constant): Likewise.
7442         (Symbol::init_base_undefined): Likewise.
7443         (Symbol::output_section): Assert that object is not a plugin.
7444         (Symbol_table::add_from_pluginobj): New function.
7445         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7446         undefined.
7447         (Symbol_table::sized_write_globals): Likewise.
7448         (Symbol_table::add_from_pluginobj): Instantiate template.
7449         * symtab.h (Sized_pluginobj): Declare.
7450         (Symbol::in_real_elf): New function.
7451         (Symbol::set_in_real_elf): New function.
7452         (Symbol::in_real_elf_): New field.
7453         (Symbol_table::add_from_pluginobj): New function.
7455         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7456         (LIBDL): New variable.
7457         (LDADD): Add LIBDL.
7458         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7459         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7460         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7461         (MOSTLYCLEANFILES): Likewise.
7462         * testsuite/Makefile.in: Regenerate.
7463         * testsuite/plugin_test.c: New file.
7464         * testsuite/plugin_test_1.sh: New file.
7465         * testsuite/plugin_test_2.sh: New file.
7467 2008-09-16  Ian Lance Taylor  <iant@google.com>
7469         * target-reloc.h (relocate_section): Check whether a symbol is
7470         defined by the ABI before reporting an undefined symbol error.
7471         * target.h (Target::is_defined_by_abi): Make parameter const.
7472         (Target::do_is_defined_by_abi): Likewise.
7473         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7474         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7475         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7476         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7477         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7478         * testsuite/Makefile.in: Rebuild.
7480         * fileread.cc (make_view): Add casts to avoid warning.
7482 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7484         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7485         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7487 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7489         * options.h (General_options::output_is_executable): New.
7490         (General_options::output_is_pie): New.
7491         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7492         for shared libraries.
7493         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7495 2008-09-11  Chris Demetriou  <cgd@google.com>
7497         * options.h (origin): New -z option.
7498         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7499         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7500         in DT_FLAGS_1.
7502 2008-09-05  Cary Coutant  <ccoutant@google.com>
7504         * fileread.cc (File_read::make_view): Add check for attempt to map
7505         beyond end of file.
7507 2008-09-05  Cary Coutant  <ccoutant@google.com>
7509         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7510         explicit instantiations.
7512 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7514         PR gold/6858
7515         * options.cc (General_options::finalize): Allow undefined symbols
7516         in shlibs if linking -shared.
7518         PR gold/6859
7519         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7520         symbols as not needing a dynsym entry.
7522 2008-08-20  Craig Silverstein  <csilvers@google.com>
7524         * fileread.cc (File_read::open): Do not lock the file unless it
7525         was successfully opened.
7527 2008-08-14  Cary Coutant  <ccoutant@google.com>
7529         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7530         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7531         * testsuite/tls_test.cc (struct int128): 128-bit struct
7532         for testing TLS relocs with non-zero addend.
7533         (v12): New TLS variable.
7534         (t12): New test.
7535         (t_last): Add check for v12.
7536         * testsuite/tls_test.h (t12): New function.
7537         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7539 2008-08-13  Ian Lance Taylor  <iant@google.com>
7541         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7542         set tls_segment_ or relro_segment_.
7543         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7544         when appropriate.
7545         * output.h (Output_section::clear_is_relro): New function.
7546         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7547         sections specially even when output_data_ is empty.
7548         (Output_segment::maximum_alignment): When first section is relro,
7549         only force alignment for PT_LOAD segments.
7550         * script.cc (script_data_segment_align): New function.
7551         (script_data_segment_relro_end): New function.
7552         * script-c.h (script_data_segment_align): Declare.
7553         (script_data_segment_relro_end): Declare.
7554         * script-sections.h (class Script_sections): Declare
7555         data_segment_align and data_segment_relro_end.  Add fields
7556         segment_align_index_ and saw_relro_end_.
7557         * script-sections.cc (class Sections_element): Add set_is_relro
7558         virtual function.  Add new bool* parameter to place_orphan_here.
7559         Add get_output_section virtual function.
7560         (class Output_section_definition): Add set_is_relro.  Add new
7561         bool* parameter to place_orphan_here.  Add get_output_section.
7562         Add is_relro_ field.
7563         (Output_section_definition::Output_section_definition): Initialize
7564         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7565         and is_relro_ fields.
7566         (Output_section_definition::place_orphan_here): Add is_relro
7567         parameter.
7568         (Output_section_definition::set_section_addresses): Set relro for
7569         output section.
7570         (Output_section_definition::alternate_constraint): Likewise.
7571         (class Orphan_output_section): Add new bool* parameter to
7572         place_orphan_here.  Add get_output_section.
7573         (Orphan_output_section::place_orphan_here): Add is_relro
7574         parameter.
7575         (Script_sections::Script_sections): Initialize
7576         data_segment_align_index_ and saw_relro_end_.
7577         (Script_sections::data_segment_align): New function.
7578         (Script_sections::data_segment_relro_end): New function.
7579         (Script_sections::place_orphan): Set or clear is_relro.
7580         (Script_sections::set_section_addresses): Force alignment of first
7581         TLS section.
7582         * yyscript.y (exp): Call script_data_segment_align and
7583         script_data_segment_relro_end.
7584         * testsuite/relro_script_test.t: New file.
7585         * testsuite/relro_test.cc (using_script): Declare.
7586         (t1, t2): Test using_script.
7587         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7588         (relro_script_test_SOURCES): Define.
7589         (relro_script_test_DEPENDENCIES): Define.
7590         (relro_script_test_LDFLAGS): Define.
7591         (relro_script_test_LDADD): Define.
7592         (relro_script_test.so): New target.
7593         * testsuite/Makefile.in: Rebuild.
7595 2008-08-06  Cary Coutant <ccoutant@google.com>
7597         * archive.cc (Archive::total_archives, Archive::total_members)
7598         (Archive::total_members_loaded): New variables.
7599         (Archive::setup): Add parameter.  Add option to preread
7600         archive symbols.
7601         (Archive::read_armap): Add counter.
7602         (Archive::get_file_and_offset): New function.
7603         (Archive::get_elf_object_for_member): New function.
7604         (Archive::read_all_symbols): New function.
7605         (Archive::read_symbols): New function.
7606         (Archive::add_symbols): Add counters.
7607         (Archive::include_all_members): Use armap to find members if it's
7608         already built.
7609         (Archive::include_member): Skip reading symbols if already read.
7610         Factored code into Archive::get_file_and_offset and
7611         Archive::get_elf_object_for_member.  Changed call to
7612         Mapfile::report_include_archive_member.
7613         (Archive::print_stats): New function.
7614         * archive.h: Declare Object and Read_symbols_data classes.
7615         (Archive::Archive): Add initializers for new members.
7616         (Archive::setup): Add parameter.
7617         (Archive::print_stats): New function.
7618         (Archive::total_archives, Archive::total_members)
7619         (Archive::total_members_loaded): New variables.
7620         (Archive::get_file_and_offset): New function.
7621         (Archive::get_elf_object_for_member): New function.
7622         (Archive::read_all_symbols): New function.
7623         (Archive::read_symbols): New function.
7624         (Archive::Archive_member): New class.
7625         (Archive::members_): New member.
7626         (Archive::num_members_): New member.
7627         * main.cc: Include archive.h.
7628         (main): Call Archive::print_stats.
7629         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7630         archive parameter; member_name is now the fully-decorated name.
7631         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7632         * options.h: (General_options): Add --preread-archive-symbols option.
7633         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7634         Archive::setup.
7636 2008-08-04  Ian Lance Taylor  <iant@google.com>
7638         * symtab.h (Symbol::use_plt_offset): New function.
7639         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7640         * powerpc.cc (Relocate::relocate): Likewise.
7641         * sparc.cc (Relocate::relocate): Likewise.
7642         * x86_64.cc (Relocate::relocate): Likewise.
7643         * testsuite/weak_plt.sh: New test.
7644         * testsuite/weak_plt_main.cc: New test.
7645         * testsuite/weak_plt_shared.cc: New test.
7646         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7647         (check_PROGRAMS): Add weak_plt.
7648         (check_DATA): Add weak_plt_shared.so.
7649         (weak_plt_main_pic.o, weak_plt): New targets.
7650         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7651         * testsuite/Makefile.in: Rebuild.
7653         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7654         gcctestdir/ld.
7655         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7656         * testsuite/Makefile.in: Rebuild.
7658 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7660         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7661         * Makefile.in: Regenerate.
7662         * po/POTFILES.in: Regenerate.
7664 2008-07-29  Ian Lance Taylor  <iant@google.com>
7666         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7667         symbols before other symbols.
7668         * testsuite/script_test_2.cc (test_addr): Declare.
7669         (test_addr_alias): Declare.
7670         (main): Check that test_addr and test_addr_alias have the right
7671         values.
7672         * testsuite/script_test_2.t: Define test_addr_alias and
7673         test_addr.
7675 2008-07-24  Ian Lance Taylor  <iant@google.com>
7677         PR 5990
7678         * descriptors.cc: New file.
7679         * descriptors.h: New file.
7680         * gold-threads.h (class Hold_optional_lock): New class.
7681         * fileread.cc: Include "descriptors.h".
7682         (File_read::~File_read): Release descriptor rather than closing
7683         it.
7684         (File_read::open) [file]: Call open_descriptor rather than open.
7685         Set is_descriptor_opened_.
7686         (File_read::open) [memory]: Assert that descriptor is not open.
7687         (File_read::reopen_descriptor): New function.
7688         (File_read::release): Release descriptor.
7689         (File_read::do_read): Make non-const.  Reopen descriptor.
7690         (File_read::read): Make non-const.
7691         (File_read::make_view): Reopen descriptor.
7692         (File_read::do_readv): Likewise.
7693         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7694         Update declarations.
7695         * layout.cc: Include "descriptors.h".
7696         (Layout::create_build_id): Use open_descriptor rather than open.
7697         * output.cc: Include "descriptors.h".
7698         (Output_file::open): Use open_descriptor rather than open.
7699         * archive.cc (Archive::const_iterator): Change Archive to be
7700         non-const.
7701         (Archive::begin, Archive::end): Make non-const.
7702         (Archive::count_members): Likewise.
7703         * archive.h (class Archive): Update declarations.
7704         * object.h (Object::read): Make non-const.
7705         * Makefile.am (CCFILES): Add descriptors.cc.
7706         (HFILES): Add descriptors.h.
7707         * Makefile.in: Rebuild.
7709         PR 6716
7710         * gold.h: Always include <clocale>.  Add Solaris workarounds
7711         following code in binutils/sysdep.h.
7713         PR 6048
7714         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7715         this->eh_frame_hdr_ is NULL before using it.
7717         * dynobj.cc (Versions::Versions): Update comment.
7719         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7720         the base version name.
7722         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7723         array size plus one.
7724         (Stringpool_template::set_string_offsets): Subtract one from key
7725         before using it as an array index.
7726         (Stringpool_template::get_offset_with_length): Likewise.
7727         (Stringpool_template::write_to_buffer): Likewise.
7728         * stringpool.h (Stringpool_template::get_offset_from_key):
7729         Likewise.
7731 2008-07-23  Ian Lance Taylor  <iant@google.com>
7733         PR 6658
7734         * object.h (Merged_symbol_value::value): Do our best to handle a
7735         negative addend.
7737         PR 6647
7738         * script.cc (Version_script_info::get_versions): Don't add empty
7739         version tag to return value.
7740         (Version_script_info::get_symbol_version_helper): Change return
7741         type to bool.  Add pversion parameter.  Change all callers.
7742         (script_register_vers_node): Don't require a non-NULL tag.
7743         * script.h (class Version_script_info): Update declarations.
7744         (Version_script_info::get_symbol_version): Change return type to
7745         bool.  Add version parameter.  Change all callers.
7746         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7747         handling.  Handle an empty version from a version script.
7748         (Symbol_table::define_special_symbol): Likewise.
7749         * testsuite/ver_test_10.script: New file.
7750         * testsuite/ver_test_10.sh: New file.
7751         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7752         (check_DATA): Add ver_test_10.syms.
7753         (ver_test_10.syms, ver_test_10.so): New target.
7754         * testsuite/Makefile.in: Rebuild.
7756 2008-07-23  Simon Baldwin  <simonb@google.com>
7758         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7759         to zero for undefined symbols from dynamic libraries.
7761 2008-07-23  Ian Lance Taylor  <iant@google.com>
7763         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7764         Change all callers.
7765         * symtab.h (class Symbol_table): Update declaration.
7766         * testsuite/ver_test_9.cc: New file.
7767         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7768         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7769         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7770         (ver_test_9.so, ver_test_9.o): New targets.
7771         * testsuite/Makefile.in: Rebuild.
7773 2008-07-22  Ian Lance Taylor  <iant@google.com>
7775         * options.h (class General_options): Define --check-sections.
7776         * layout.cc (Layout::set_segment_offsets): Handle
7777         --check-sections.
7779         * options.h (class General_options): Define -n/--nmagic and
7780         -N/--omagic.
7781         * options.cc (General_options::finalize): For -n/--nmagic or
7782         -N/--omagic, set -static.
7783         * layout.cc (Layout::attach_allocated_section_to_segment): If
7784         -N/--omagic, don't put read-only and read-write sections in
7785         different segments.
7786         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7787         finding a read-only segment.
7788         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7789         don't set the minimum segment alignment to the common page size,
7790         and don't set the file offset to the address modulo the page size.
7791         * script-sections.cc (Script_sections::create_segments): If
7792         -n/--omagic, don't put read-only and read-write sections in
7793         different segments.
7795         * cref.cc: New file.
7796         * cref.h: New file.
7797         * options.h (class General_options): Add --print-symbol-counts.
7798         * main.cc (main): Issue defined symbol report if requested.
7799         * archive.cc (Archive::interpret_header): Make into a const member
7800         function.
7801         (Archive::add_symbols): Call Input_objects::archive_start and
7802         archive_stop.
7803         (Archive::const_iterator): Define new class.
7804         (Archive::begin, Archive::end): New functions.
7805         (Archive::include_all_members): Rewrite to use iterator.
7806         (Archive::count_members): New function.
7807         * archive.h (class Archive): Update declarations.
7808         (Archive::filename): New function.
7809         * object.cc: Include "cref.h".
7810         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7811         (Sized_relobj::do_get_global_symbol_counts): New function.
7812         (Input_objects::add_object): Add object to cross-referencer.
7813         (Input_objects::archive_start): New function.
7814         (Input_objects::archive_stop): New function.
7815         (Input_objects::print_symbol_counts): New function.
7816         * object.h: Declare Cref and Archive.
7817         (Object::get_global_symbol_counts): New function.
7818         (Object::do_get_global_symbol_counts): New pure virtual function.
7819         (class Sized_relobj): Add defined_count_ field.  Update
7820         declarations.
7821         (class Input_objects): Add cref_ field.  Update constructor.
7822         Update declarations.
7823         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
7824         defined_count_.
7825         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
7826         symbol counts.
7827         (Sized_dynobj::do_get_global_symbol_counts): New function.
7828         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
7829         defined_count_.  Update declarations.  Define Symbols typedef.
7830         * symtab.cc (Symbol_table::add_from_relobj): Add defined
7831         parameter.  Change all callers.
7832         (Symbol_table::add_from_dynobj): Add sympointers and defined
7833         parameters.  Change all callers.
7834         * symtab.h (class Symbol_table): Update declarations.
7835         * Makefile.am (CCFILES): Add cref.cc.
7836         (HFILES): Add cref.h.
7837         * Makefile.in: Rebuild.
7839 2008-07-22  Simon Baldwin  <simonb@google.com>
7841         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
7842         to zero when writing undefined symbols.
7844 2008-07-22  Ian Lance Taylor  <iant@google.com>
7846         * output.cc (Output_section::add_input_section): Don't try to
7847         merge empty merge sections.
7849 2008-07-21  Craig Silverstein  <csilvers@google.com>
7851         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7852         Include symbol version in error message.
7854 2008-07-20  Chris Demetriou  <cgd@google.com>
7856         * configure.ac (gold_cv_c_random_seed): New configured variable.
7857         (RANDOM_SEED_CFLAGS): New substituted variable.
7858         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
7859         * configure: Rebuild.
7860         * Makefile.in: Likewise.
7861         * testsuite/Makefile.in: Likewise.
7863 2008-07-18  Ian Lance Taylor  <iant@google.com>
7865         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
7866         where we see NAME/NULL and NAME/VERSION  as separate symbols.
7867         * testsuite/ver_test_main.cc (main): Call t4.
7868         (t4, t4_2a): Define.
7869         * testsuite/ver_test_2.cc (t4_2): Define.
7870         * testsuite/ver_test_2.script: Put t4_2a in VER2.
7871         * testsuite/ver_test_4.cc (t4_2a): Define.
7872         * testsuite/ver_test_4.script: Put t4_2a in VER2.
7873         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
7875 2008-07-17  Ian Lance Taylor  <iant@google.com>
7877         * dynobj.cc (Versions::add_def): If we give an error about a
7878         missing version, go ahead and create the version anyhow.
7880 2008-07-10  Ian Lance Taylor  <iant@google.com>
7882         Handle output sections with more than 0x7fffffff bytes.
7883         * object.h (class Relobj): Change map_to_output_ to
7884         output_sections_, and just keep a section pointer.  Change all
7885         uses.  Move comdat group support to Sized_relobj.
7886         (Relobj::is_section_specially_mapped): Remove.
7887         (Relobj::output_section): Remove poff parameter.  Change all
7888         callers.
7889         (Relobj::output_section_offset): New function.
7890         (Relobj::set_section_offset): Rewrite.
7891         (Relobj::map_to_output): Remove.
7892         (Relobj::output_sections): New function.
7893         (Relobj::do_output_section_offset): New pure virtual function.
7894         (Relobj::do_set_section_offset): Likewise.
7895         (class Sized_relobj): Add section_offsets_ field.  Add comdat
7896         group support from Relobj.  Update declarations.
7897         (Sized_relobj::get_output_section_offset): New function.
7898         (Sized_relobj::do_output_section_offset): New function.
7899         (Sized_relobj::do_set_section_offset): New function.
7900         * object.cc (Relobj::output_section_address): Remove.
7901         (Sized_relobj::Sized_relobj): Initialize new fields.
7902         (Sized_relobj::include_section_group): Cast find_kept_object to
7903         Sized_relobj.
7904         (Sized_relobj::include_linkonce_section): Likewise.
7905         (Sized_relobj::do_layout): Use separate arrays for output section
7906         and output offset.
7907         (Sized_relobj::do_count_local_symbols): Change map_to_output to
7908         output_sections.
7909         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
7910         output_sections and section_offsets.
7911         (Sized_relobj::write_local_symbols): Likewise.
7912         (map_to_kept_section): Compute output address directly.
7913         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
7914         output_sections and section_offsets.
7915         (Sized_relobj::write_sections): Likewise.
7916         (Sized_relobj::relocate_sections): Likewise.
7917         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
7918         * output.h (class Output_reloc): Update declarations.  Change
7919         u2_.relobj to Sized_relobj*.
7920         (class Output_data_reloc): Change add functions to use
7921         Sized_relobj*.
7922         * output.cc (Output_reloc::Output_reloc): Change relobj to
7923         Sized_relobj*.
7924         (Output_reloc::local_section_offset): Change return type to
7925         Elf_Addr.  Use get_output_section_offset.
7926         (Output_reloc::get_address): Likewise.
7927         (Output_section::is_input_address_mapped): Don't call
7928         is_section_specially_mapped.
7929         (Output_section::output_offset): Likewise.
7930         (Output_section::output_address): Likewise.
7931         (Output_section::starting_output_address): Likewise.
7932         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
7933         parameter to Sized_relobj*.
7934         (Copy_relocs::need_copy_reloc): Likewise.
7935         (Copy_relocs::save): Likewise.
7936         * copy-relocs.h (class Copy_relocs): Update declarations.
7937         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
7938         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
7939         * target-reloc.h (relocate_for_relocatable): Change
7940         offset_in_output_section type to Elf_Addr.  Change code that uses
7941         it as well.
7942         * layout.cc (Layout::layout): Always set *off.
7943         * mapfile.cc (Mapfile::print_input_section): Use
7944         output_section_offset.
7945         * i386.cc (Target_i386::copy_reloc): Change object parameter to
7946         Sized_relobj*.
7947         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
7948         * sparc.cc (Target_sparc::copy_reloc): Likewise.
7949         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
7951 2008-07-03  Ian Lance Taylor  <iant@google.com>
7953         * layout.cc (Layout::include_section): Do not discard unrecognized
7954         SHT_STRTAB sections.
7956 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
7958         * script.cc (Lex::can_continue_name): Make '?' allowable in
7959         version-script names.
7960         * testsuite/version_script.map: Change glob pattern to use '?'
7962 2008-06-30  Manish Singh  <yosh@gimp.org>
7964         PR 6585
7965         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
7966         Correct typo.
7968 2008-06-30  Ian Lance Taylor  <iant@google.com>
7970         PR 6660
7971         PR 6682
7972         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
7973         versions]: Don't try to read the value in the contents, since we
7974         don't use it.  Use the template endianness when writing.
7976 2008-06-25  Cary Coutant  <ccoutant@google.com>
7978         * fileread.cc (File_read::make_view): Assert on zero-length view.
7979         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
7980         symbol table when there are no symbols to read.
7982 2008-06-23  Craig Silverstein  <csilvers@google.com>
7984         * version.cc (version_string): Bump to 1.7
7986 2008-06-18  Craig Silverstein  <csilvers@google.com>
7988         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
7989         constant 0xFFFF to type Valtype.
7990         (Powerpc_relocate_functions::rel16_ha): Likewise.
7992 2008-06-17  Ian Lance Taylor  <iant@google.com>
7994         * output.h (Output_section::Input_section): Initialize p2align_ to
7995         zero for Output_section_data constructors.
7996         (Output_section::Input_section::addralign): If not an input
7997         section, return the alignment of the Output_section_data.
7998         * testsuite/copy_test.cc: New file.
7999         * testsuite/copy_test_1.cc: New file.
8000         * testsuite/copy_test_2.cc: New file.
8001         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8002         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8003         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8004         (copy_test_1_pic.o, copy_test_1.so): New targets.
8005         (copy_test_2_pic.o, copy_test_2.so): New targets.
8006         * testsuite/Makefile.in: Rebuild.
8008         * script-sections.cc (Script_sections::place_orphan): Initialize
8009         local variable exact.
8011 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8013         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8015 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8016             David S. Miller  <davem@davemloft.net>
8018         * powerpc.cc: New file.
8019         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8020         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8021         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8022         * Makefile.in: Rebuild.
8024 2008-06-09  Ian Lance Taylor  <iant@google.com>
8026         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8027         <exception>.
8028         (throwing, orig_terminate): New static variables.
8029         (terminate_handler): New static function.
8030         (t2): Set terminate handler.
8032 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8034         PR 6584
8035         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8036         alignment.
8038 2008-05-30  Cary Coutant  <ccoutant@google.com>
8040         * archive.cc (Archive::include_all_members) Correct to step
8041         over symbol table and extended name table in thin archives.
8043 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8045         PR 6407
8046         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8047         calculation.
8049 2008-05-28  Caleb Howe  <cshowe@google.com>
8051         * reduced_debug_output.cc: New file.
8052         * reduced_debug_output.h: New file.
8053         * options.h (class General_options): Add --strip-debug-non-line.
8054         * options.cc (General_options::finalize): Add strip_debug_non_line
8055         to the strip heirarchy.
8056         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8057         fields.
8058         * layout.cc: Include "reduced_debug_output.h".
8059         (Layout::Layout): Initialize new fields.
8060         (line_only_debug_sections): New static array.
8061         (is_lines_only_debug_sections): New static inline function.
8062         (Layout::include_section): Handle --strip-debug-non-line.
8063         (Layout::make_output_section): If --strip-debug-non-line, build
8064         new output sections for .debug_abbrev and .debug_info.
8065         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8066         gold.  Warn about possible overflow.
8067         (read_signed_LEB_128): Likewise.
8068         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8069         (read_signed_LEB_128): Declare.
8070         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8071         (HFILES): Add reduced_debug_output.h.
8072         * Makefile.in: Rebuild.
8074 2008-05-21  Ian Lance Taylor  <iant@google.com>
8076         * mapfile.cc: New file.
8077         * mapfile.h: New file.
8078         * options.h (class General_options): Add -M/--print-map and -Map.
8079         * options.cc (General_options::finalize): Make -M equivalent to
8080         -Map -.
8081         * main.cc: Include <cstdio> and "mapfile.h".
8082         (main): Open mapfile if requested.
8083         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8084         constructor.  Change caller.
8085         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8086         (queue_middle_tasks): Likewise.
8087         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8088         declarations.
8089         * archive.cc: Include "mapfile.h".
8090         (Archive::add_symbols): Add mapfile parameter.  Change all
8091         callers.  Pass mapfile, symbol, and reason to include_member.
8092         (Archive::include_all_members): Add mapfile parameter.  Change all
8093         callers.
8094         (Archive::include_member): Add mapfile, sym, and why parameters.
8095         Change all callers.  Report inclusion to map file.
8096         * archive.h: Include "fileread.h".
8097         (class Archive): Update declarations.
8098         (Archive::file): New const method.
8099         (class Add_archive_symbols): Add mapfile_ field.  Update
8100         constructor.  Change all callers.
8101         * readsyms.h (class Read_symbols): Likewise.
8102         (class Finish_group): Likewise.
8103         (class Read_script): Likewise.
8104         * common.cc: Include "mapfile.h".
8105         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
8106         all callers.
8107         (Symbol_table::do_allocate_commons): Likewise.
8108         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
8109         symbol allocation to mapfile.
8110         * common.h (class Allocate_commons_task): Add mapfile_ field.
8111         Update constructor.  Change all callers.
8112         * symtab.h (class Symbol_table): Update declarations.
8113         * layout.cc: Include "mapfile.h".
8114         (Layout_task_runner::run): Print information to mapfile.
8115         (Layout::create_gold_note): Change Output_data_fixed_space to
8116         Output_data_zero_fill.
8117         (Layout::create_build_id): Likewise.
8118         (Layout::print_to_mapfile): New function.
8119         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
8120         constructor.  Change caller.
8121         (class Layout): Declare print_to_mapfile.
8122         * output.cc (Output_section::Input_section::print_to_mapfile): New
8123         function.
8124         (Output_section::add_input_section): If producing a map, always
8125         add to input_sections_ list.
8126         (Output_section::do_print_to_mapfile): New function.
8127         (Output_segment::print_sections_to_mapfile): New function.
8128         (Output_segment::print_section_list_to_mapfile): New function.
8129         * output.h: Include "mapfile.h".
8130         (Output_data::print_to_mapfile): New function.
8131         (Output_data::do_print_to_mapfile): New virtual function.
8132         (Output_segment_headers::do_print_to_mapfile): New function.
8133         (Output_file_header::do_print_to_mapfile): New function.
8134         (Output_data_const::do_print_to_mapfile): New function.
8135         (class Output_data_const_buffer): Add map_name_ field.  Update
8136         constructor.  Change all callers.  Add do_print_to_mapfile
8137         function.
8138         (class Output_data_fixed_space): Likewise.
8139         (class Output_data_space): Likewise.
8140         (class Output_data_zero_fill): New class.
8141         (Output_data_strtab::do_print_to_mapfile): New function.
8142         (Output_data_reloc_base::do_print_to_mapfile): New function.
8143         (Output_relocatable_relocs::do_print_to_mapfile): New function.
8144         (Output_data_group::do_print_to_mapfile): New function.
8145         (Output_data_got::do_print_to_mapfile): New function.
8146         (Output_data_dynamic::do_print_to_mapfile): New function.
8147         (Output_symtab_xindex::do_print_to_mapfile): New function.
8148         (class Output_section): Declare do_print_to_mapflie.  Declare
8149         print_to_mapfile in Input_section.
8150         (class Output_segment): Declare new functions.
8151         * object.h (Sized_relobj::symbol_count): New function.
8152         * script-sections.cc
8153         (Output_section_element_dot_assignment::set_section_addresses):
8154         Change Output_data_fixed_space to Output_data_zero_fill.
8155         (Output_data_expression::do_print_to_mapfile): New function.
8156         * script.cc (read_input_script): Add mapfile parameter.  Change
8157         all callers.
8158         * script.h (read_input_script): Update declaration.
8159         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
8160         (Eh_frame::do_print_to_mapfile): New function.
8161         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
8162         (Output_merge_string::do_print_to_mapfile): New function.
8163         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
8164         function.
8165         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
8166         function.
8167         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
8168         function.
8169         * Makefile.am (CCFILES): Add mapfile.cc.
8170         (HFILES): Add mapfile.h.
8171         * Makefile.in: Rebuild.
8173 2008-05-19  Ian Lance Taylor  <iant@google.com>
8175         * options.h (class General_options): Add -z relro.
8176         * layout.cc (Layout::Layout): Initialize relro_segment_.
8177         (Layout::add_output_section_data): Return the output section.
8178         (Layout::make_output_section): Rcognize relro sections and mark
8179         them appropriately.
8180         (Layout::attach_allocated_section_to_segment): Put relro sections
8181         in a PT_GNU_RELRO segment.
8182         (Layout::create_initial_dynamic_sections): Mark the .dynamic
8183         section as relro.
8184         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
8185         PT_TLS segments.
8186         (Layout::linkonce_mapping): Map d.rel.ro.local to
8187         .data.rel.ro.local.
8188         (Layout::output_section_name): Us .data.rel.ro.local for any
8189         section which begins with that.
8190         * layout.h (class Layout): Update add_output_section_data
8191         declaration.  Add relro_segment_ field.
8192         * output.cc (Output_section::Output_section): Initialize is_relro_
8193         and is_relro_local_ fields.
8194         (Output_segment::add_output_section): Group relro sections.
8195         (Output_segment::is_first_section_relro): New function.
8196         (Output_segment::maximum_alignment): If there is a relro section,
8197         align the segment to the common page size.
8198         (Output_segment::set_section_addresses): Track whether we are
8199         looking at relro sections.  If the last section is a relro
8200         section, align to the common page size.
8201         (Output_segment::set_section_list_addresses): Add in_relro
8202         parameter.  Change all callers.  Align to the page size when
8203         moving from relro to non-relro section.
8204         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
8205         segment.
8206         * output.h (class Output_section): Add is_relro_ and
8207         is_relro_local_ fields.
8208         (Output_section::is_relro): New function.
8209         (Output_section::set_is_relro): New function.
8210         (Output_section::is_relro_local): New function.
8211         (Output_section::set_is_relro_local): New function.
8212         (class Output_segment): Update declarations.
8213         * i386.cc (Target_i386::got_section): Mark .got section as relro.
8214         * sparc.cc (Target_sparc::got_section): Likewise.
8215         * x86_64.cc (Target_x86_64::got_section): Likewise.
8216         * testsuite/relro_test_main.cc: New file.
8217         * testsuite/relro_test.cc: New file.
8218         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
8219         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
8220         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
8221         (relro_test.so, relro_test_pic.o): New targets.
8222         * testsuite/Makefile.in: Rebuild.
8224 2008-05-16  Ian Lance Taylor  <iant@google.com>
8226         * output.cc (Output_segment::add_output_section): Remove front
8227         parameter.
8228         * output.h (class Output_segment): Remove
8229         add_initial_output_section and overloaded add_output_section.
8230         Update declaration of remaining add_output_section.
8231         * layout.cc (Layout::create_interp): Call add_output_section
8232         rather than add_initial_output_section.
8233         (Layout::finish_dynamic_section): Likewise.
8235         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
8236         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
8237         know the dynamic type.
8238         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
8239         field.  Initialize it in constructor.
8240         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
8241         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
8242         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
8243         reloc.
8245         * output.cc (Output_reloc::get_address): Change return type to
8246         Elf_Addr.
8247         * output.h (class Output_reloc): Update get_address declaration.
8248         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
8249         for section addresses.
8251 2008-05-09  Ian Lance Taylor  <iant@google.com>
8253         PR 6493
8254         * gold.cc (gold_nomem): Use return value of write.
8256 2008-05-08  Ian Lance Taylor  <iant@google.com>
8258         * symtab.c (Symbol::init_base_output_data): Add version
8259         parameter.  Change all callers.
8260         (Symbol::init_base_output_segment): Likewise.
8261         (Symbol::init_base_constant): Likewise.
8262         (Symbol::init_base_undefined): Likewise.
8263         (Sized_symbol::init_output_data): Likewise.
8264         (Sized_symbol::init_output_segment): Likewise.
8265         (Sized_symbol::init_constant): Likewise.
8266         (Sized_symbol::init_undefined): Likewise.
8267         (Symbol_table::do_define_in_output_data): If the new symbol has a
8268         version, mark it as the default.
8269         (Symbol_table::do_define_in_output_segment): Likewise.
8270         (Symbol_table::do_define_as_constant): Likewise.
8271         * symtab.h (class Symbol): Update declarations.
8272         (class Sized_symbol): Likewise.
8273         * resolve.cc (Symbol::override_version): New function.
8274         (Symbol::override_base): Call override_version.
8275         (Symbol::override_base_with_special): Likewise.
8276         * testsuite/ver_script_8.script: New file.
8277         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8278         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8279         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8280         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8282 2008-05-06  Ian Lance Taylor  <iant@google.com>
8284         PR 6049
8285         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8286         functions.
8287         (class General_options): Remove existing --undefined, and add
8288         --no-undefined instead.  Add new --undefined as synonym for -u.
8289         * archive.cc (Archive::add_symbols): Check whether symbol was
8290         named with -u.
8291         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8292         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8293         all uses.  Add IS_UNDEFINED.  Update declarations to split
8294         different versions of init_base.  Declare init_base_undefined.
8295         (Symbol::is_defined): Handle IS_UNDEFINED.
8296         (Symbol::is_undefined): Likewise.
8297         (Symbol::is_weak_undefined): Call is_undefined.
8298         (Symbol::is_absolute): Handle IS_CONSTANT.
8299         (class Sized_symbol): Update declarations to split different
8300         versions of init.  Declare init_undefined.
8301         (class Symbol_table): Declare new functions.
8302         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8303         Change all callers.
8304         (Symbol::init_base_output_data): Likewise.
8305         (Symbol::init_base_output_segment): Likewise.
8306         (Symbol::init_base_constant): Likewise.
8307         (Symbol::init_base_undefined): New function.
8308         (Sized_symbol::init_object): Rename from init.  Change all
8309         callers.
8310         (Sized_symbol::init_output_data): Likewise.
8311         (Sized_symbol::init_output_segment): Likewise.
8312         (Sized_symbol::init_constant): Likewise.
8313         (Sized_symbol::init_undefined): New function.
8314         (Symbol_table::add_undefined_symbols_from_command_line): New
8315         function.
8316         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8317         function.
8318         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8319         (Symbol::output_section): Likewise.
8320         (Symbol::set_output_section): Likewise.
8321         (Symbol_table::sized_finalize_symbol): Likewise.
8322         (Symbol_table::sized_write_globals): Likewise.
8323         * resolve.cc (Symbol_table::should_override): Likewise.
8324         (Symbol::override_base_with_special): Likewise.
8326         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8327         symbol, change it to have default visibility.
8328         * testsuite/protected_1.cc: New file.
8329         * testsuite/protected_2.cc: New file.
8330         * testsuite/protected_3.cc: New file.
8331         * testsuite/protected_main_1.cc: New file.
8332         * testsuite/protected_main_2.cc: New file.
8333         * testsuite/protected_main_3.cc: New file.
8334         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8335         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8336         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8337         (protected_1.so): New target.
8338         (protected_1_pic.o, protected_2_pic.o): New targets.
8339         (protected_3_pic.o): New target.
8340         (check_PROGRAMS): Add protected_2.
8341         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8342         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8343         * testsuite/Makefile.in: Rebuild.
8345         * options.h (DEFINE_var): Add set_user_set_##varname__.
8346         (DEFINE_bool_alias): New macro.
8347         (class General_options): Define -Bstatic using DEFINE_bool_alias
8348         rather than DEFINE_special.  Add --undefined as an alias for -z
8349         defs.
8350         * options.cc (General_options::parse_Bstatic): Remove.
8352         * options.h (class General_options): Add --fatal-warnings.
8353         * main.cc (main): Implement --fatal-warnings.
8354         * errors.h (Errors::warning_count): New function.
8356         * options.h (class General_options): Add -Bsymbolic-functions.
8357         * symtab.h (Symbol::is_preemptible): Check for
8358         -Bsymbolic-functions.
8360 2008-05-05  Ian Lance Taylor  <iant@google.com>
8362         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8363         as noVARNAME rather than no-VARNAME.
8364         (class General_options): Add option -z combreloc.
8365         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8366         get_address.
8367         (Output_reloc::sort_before) [SHT_REL]: New function.
8368         (Output_reloc::sort_before) [SHT_RELA]: New function.
8369         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8370         Sort_relocs_comparison.
8371         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8372         parameter.  Change all callers.
8373         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8374         sort_relocs parameter.  Change all callers.
8375         * output.cc (Output_reloc::get_address): New function, broken out
8376         of write_rel.
8377         (Output_reloc::write_rel): Call it.
8378         (Output_reloc::compare): New function.
8379         (Output_data_reloc_base::do_write): Optionally sort relocs.
8381         * configure.ac: If targ_extra_obj is set, link it in.
8382         * configure.tgt: Initialize all variables.
8383         (x86_64*): Set targ_extra_obj and targ_extra_size.
8384         * configure: Rebuild.
8386         * object.cc (Sized_relobj::include_section_group): Adjust section
8387         indexes read from group data.  Build vector to pass to
8388         layout_group.
8389         * layout.cc (Layout::layout_group): Add flags and shndxes
8390         parameters.  Remove contents parameter.  Change caller.  Update
8391         explicit instantiations.
8392         * layout.h (class Layout): Update layout_group declaration.
8393         * output.cc (Output_data_group::Output_data_group): Add flags and
8394         input_shndxes parameters.  Remove contents parameter.  Change
8395         caller.
8396         (Output_data_group::do_write): Change input_sections_ to
8397         input_shndxes_.
8398         * output.h (class Output_data_group): Update constructor
8399         declaration.  Rename input_sections_ to input_shndxes_.
8400         * testsuite/many_sections_test.cc: Add template.
8402 2008-04-30  Cary Coutant  <ccoutant@google.com>
8404         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8406         * layout.cc (Layout::include_section): Refactored check for debug
8407         info section.
8408         (Layout::add_comdat): Add new parameters.  Change type
8409         of signature parameter.  Add object and shndx to signatures table.
8410         (Layout::find_kept_object): New function.
8411         * layout.h: Include <cstring>.
8412         (Layout::is_debug_info_section): New function.
8413         (Layout::add_comdat): Add new parameters.
8414         (Layout::find_kept_object): New function.
8415         (Layout::Kept_section): New struct.
8416         (Layout::Signatures): Change type of map range.
8417         * object.cc (Relobj::output_section_address): New function.
8418         (Sized_relobj::include_section_group): Add new parameters.  Change
8419         calls to Layout::add_comdat.  Change to build table of kept comdat
8420         groups and table mapping discarded sections to kept sections.
8421         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8422         (Sized_relobj::do_layout): Change calls to include_section_group and
8423         include_linkonce_section.
8424         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8425         value to zero when section is discarded.
8426         (Sized_relobj::map_to_kept_section): New function.
8427         * object.h (Relobj::output_section_address): New function.
8428         (Relobj::Comdat_group): New type.
8429         (Relobj::find_comdat_group): New function.
8430         (Relobj::Comdat_group_table): New type.
8431         (Relobj::Kept_comdat_section): New type.
8432         (Relobj::Kept_comdat_section_table): New type.
8433         (Relobj::add_comdat_group): New function.
8434         (Relobj::set_kept_comdat_section): New function.
8435         (Relobj::get_kept_comdat_section): New function.
8436         (Relobj::comdat_groups_): New field.
8437         (Relobj::kept_comdat_sections_): New field.
8438         (Symbol_value::input_value): Update comment.
8439         (Sized_relobj::map_to_kept_section) New function.
8440         (Sized_relobj::include_linkonce_section): Add new parameter.
8441         * target-reloc.h (Comdat_behavior): New type.
8442         (get_comdat_behavior): New function.
8443         (relocate_section): Add code to map a discarded section to the
8444         corresponding kept section when applying a relocation.
8446 2008-04-30  Craig Silverstein  <csilvers@google.com>
8448         * dwarf_reader.cc (next_generation_count): New static var.
8449         (Addr2line_cache_entry): New struct.
8450         (addr2line_cache): New static var.
8451         (Dwarf_line_info::one_addr2line): Added caching.
8452         (Dwarf_line_info::clear_addr2line_cache): New function.
8453         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8454         cache-size parameter.
8455         (Dwarf_line_info::one_addr2line_cache): New function.
8456         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8457         new cache-size argument to one_addr2line(), and clear cache.
8459 2008-04-28  Cary Coutant  <ccoutant@google.com>
8461         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8462         R_386_PC8 relocations.
8464 2008-04-23  Ian Lance Taylor  <iant@google.com>
8466         * object.cc (Sized_relobj::include_section_group): Check for
8467         invalid section group.
8469         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8470         header size.
8472         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8473         than read for file header.
8474         * archive.cc (Archive::include_member): Likewise.
8476 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8478         * aclocal.m4: Regenerate.
8479         * configure: Regenerate.
8481 2008-04-19  Ian Lance Taylor  <iant@google.com>
8483         * version.cc (version_string): Bump to 1.6.
8485         * testsuite/Makefile.am (many_sections_r_test): New target.
8486         (many_sections_r_test_SOURCES): Remove.
8487         (many_sections_r_test_DEPENDENCIES): Remove.
8488         (many_sections_r_test_LDFLAGS): Remove.
8489         (many_sections_r_test_LDADD): Remove.
8491         * object.cc (Sized_relobj::do_add_symbols): Always pass
8492         local_symbol_count_ to add_from_relobj.
8494         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8495         every thousand variables.
8496         * testsuite/Makefile.in: Rebuild.
8498         * object.cc (Xindex::initialize_symtab_xindex): New function.
8499         (Xindex::read_symtab_xindex): New function.
8500         (Xindex::sym_xindex_to_shndx): New function.
8501         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8502         available.
8503         (Sized_relobj::do_initialize_xindex): New function.
8504         (Sized_relobj::do_read_symbols): Adjust section links.
8505         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8506         parameter.  Change all callers.
8507         (Sized_relobj::include_section_group): Adjust section links and
8508         symbol section indexes.
8509         (Sized_relobj::do_layout): Adjust section links.
8510         (Sized_relobj::do_count_local_symbols): Adjust section links and
8511         symbol section indexes.
8512         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8513         ordinary and special symbols.
8514         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8515         dynsym_xindex parameters.  Change all callers.  Adjust section
8516         links.  Use SHN_XINDEX when needed.
8517         (Sized_relobj::get_symbol_location_info): Adjust section links.
8518         Don't get fooled by special symbols.
8519         * object.h (class Xindex): Define.
8520         (class Object): Add xindex_ parameter.  Declare virtual functoin
8521         do_initialize_xindex.
8522         (Object::adjust_sym_shndx): New function.
8523         (Object::set_xindex): New protected function.
8524         (class Symbol_value): Add is_ordinary_shndx_ field.
8525         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8526         (Symbol_value::value): Assert ordinary section.
8527         (Symbol_value::initialize_input_to_output_map): Likewise.
8528         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8529         Change all callers.
8530         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8531         all callers.
8532         (class Sized_relobj): Update declarations.
8533         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8534         parameter.  Change all callers.
8535         (Sized_relobj::adjust_shndx): New function.
8536         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8537         field.
8538         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8539         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8540         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8541         (Sized_dynobj::read_dynsym_section): Adjust section links.
8542         (Sized_dynobj::read_dynamic): Likewise.
8543         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8544         section links.
8545         (Sized_dynobj::do_initialize_xindex): New function.
8546         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8547         do_initialize_xindex.
8548         (Sized_dynobj::adjust_shndx): New function.
8549         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8550         dynsym_xindex_ fields.
8551         (Layout::finalize): Add a call to set_section_indexes before
8552         creating the symtab sections.
8553         (Layout::set_section_indexes): Don't do anything if the section
8554         already has a section index.
8555         (Layout::create_symtab_sections): Add shnum parameter.  Change
8556         caller.  Create .symtab_shndx section if needed.
8557         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8558         caller.
8559         (Layout::allocated_output_section_count): New function.
8560         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8561         needed.
8562         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8563         fields.  Update declarations.
8564         (Layout::symtab_xindex): New function.
8565         (Layout::dynsym_xindex): New function.
8566         (class Write_symbols_task): Add layout_ field.
8567         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8568         Change caller.
8569         * output.cc (Output_section_headers::Output_section_headers): Add
8570         shstrtab_section parameter.  Change all callers.
8571         (Output_section_headers::do_sized_write): Store overflow values
8572         for section count and section string table section index in
8573         section header zero.
8574         (Output_file_header::do_sized_write): Check for overflow of
8575         section count and section string table section index.
8576         (Output_symtab_xindex::do_write): New function.
8577         (Output_symtab_xindex::endian_do_write): New function.
8578         * output.h (class Output_section_headers): Add shstrtab_section_.
8579         Update declarations.
8580         (class Output_symtab_xindex): Define.
8581         (Output_section::has_out_shndx): New function.
8582         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8583         field.
8584         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8585         Change all callers.
8586         (Sized_symbol::init): Likewise.
8587         (Symbol::output_section): Check for ordinary symbol.
8588         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8589         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8590         callers.
8591         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8592         Change all callers.  Simplify handling of symbols from sections
8593         not included in the link.
8594         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8595         distinction.
8596         (Weak_alias_sorter::operator()): Assert that symbols are
8597         ordinary.
8598         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8599         distinction.
8600         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8601         parameters.  Change all callers.
8602         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8603         symbol distinction.  Use SHN_XINDEX when needed.
8604         (Symbol_table::write_section_symbol): Add symtab_xindex
8605         parameter.  Change all callers.
8606         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8607         SHN_XINDEX when needed.
8608         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8609         declarations.
8610         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8611         (Symbol::is_defined): Check is_ordinary.
8612         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8613         (Symbol::is_absolute, Symbol::is_common): Likewise.
8614         (class Sized_symbol): Update declarations.
8615         (class Symbol_table): Update declarations.
8616         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8617         parameters.  Change all callers.
8618         (Sized_symbol::override): Likewise.
8619         (Symbol_table::override): Likewise.
8620         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8621         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8622         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8623         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8624         to be in an ordinary section.
8625         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8626         object and is_ordinary parameters.  Change all callers.
8627         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8628         Change all callers.  Don't add undefined or non-ordinary symbols
8629         to reloc_map_.
8630         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8631         Change all callers.
8632         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8633         declarations.
8634         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8635         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8636         (Sized_relobj::relocate_sections): Likewise.
8637         * target-reloc.h (scan_relocs): Adjust section symbol index.
8638         (scan_relocatable_relocs): Likewise.
8639         * i386.cc (Scan::local): Check for ordinary symbols.
8640         * sparc.cc (Scan::local): Likewise.
8641         * x86_64.cc (Scan::local): Likewise.
8642         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8643         to symbol_section_and_value.
8644         * testsuite/many_sections_test.cc: New file.
8645         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8646         (check_PROGRAMS): Add many_sections_test.
8647         (many_sections_test_SOURCES): Define.
8648         (many_sections_test_DEPENDENCIES): Define.
8649         (many_sections_test_LDFLAGS): Define.
8650         (BUILT_SOURCES): Add many_sections_define.h.
8651         (many_sections_define.h): New target.
8652         (BUILT_SOURCES): Add many_sections_check.h.
8653         (many_sections_check.h): New target.
8654         (check_PROGRAMS): Add many_sections_r_test.
8655         (many_sections_r_test_SOURCES): Define.
8656         (many_sections_r_test_DEPENDENCIES): Define.
8657         (many_sections_r_test_LDFLAGS): Define.
8658         (many_sections_r_test_LDADD): Define.
8659         (many_sections_r_test.o): New target.
8660         * testsuite/Makefile.in: Rebuild.
8662 2008-04-17  Cary Coutant  <ccoutant@google.com>
8664         * errors.cc (Errors::info): New function.
8665         (gold_info): New function.
8666         * errors.h (Errors::info): New function.
8667         * gold.h (gold_info): New function.
8668         * object.cc (Input_objects::add_object): Print trace output.
8669         * options.cc (options::parse_set): New function.
8670         (General_options::parse_wrap): Deleted.
8671         (General_options::General_options): Deleted initializer.
8672         * options.h (options::String_set): New typedef.
8673         (options::parse_set): New function.
8674         (DEFINE_set): New macro.
8675         (General_options::wrap): Changed to use DEFINE_set. Changed
8676         callers of any_wrap_symbols and is_wrap_symbol.
8677         (General_options::trace, General_options::trace_symbol):
8678         New options.
8679         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8680         (General_options::wrap_symbols_): Deleted.
8681         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8683 2008-04-17  David S. Miller  <davem@davemloft.net>
8685         * options.cc (General_options::parse_V): New function.
8686         * options.h: Add entries for -V and -Qy.
8688 2008-04-17  Ian Lance Taylor  <iant@google.com>
8690         * common.cc (Symbol_table::allocate_commons): Remove options
8691         parameter.  Change caller.
8692         (Symbol_table::do_allocate_commons): Remove options parameter.
8693         Change caller.  Just call do_allocate_commons_list twice.
8694         (Symbol_table::do_allocate_commons_list): New function, broken out
8695         of do_allocate_commons.
8696         * common.h (class Allocate_commons_task): Remove options_ field.
8697         Update constructor.
8698         * symtab.cc (Symbol_table::Symbol_table): Initialize
8699         tls_commons_.
8700         (Symbol_table::add_from_object): Put TLS common symbols on
8701         tls_commons_ list.
8702         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8703         which are IN_OUTPUT_DATA.
8704         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8705         allocate_commons and do_allocate_commons declarations.  Declare
8706         do_allocate_commons_list.
8707         * gold.cc (queue_middle_tasks): Update creation of
8708         Allocate_commons_task to not pass options.
8709         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8710         (TLS_TEST_C_FLAGS): New variable.
8711         (tls_test_c_pic.o): New target.
8712         (tls_test_shared.so): Link in tls_test_c_pic.o.
8713         (tls_test_c_pic_ie.o): New target.
8714         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8715         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8716         (tls_test_c.o): New target.
8717         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8718         (tls_pic_test_LDADD): Likewise.
8719         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8720         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8721         (tls_test_c_gnu2.o): New target.
8722         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8723         tls_test_c_gnu2.o.
8724         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8725         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8726         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8727         * testsuite/tls_test.cc: Include "config.h".
8728         (t_last): Call t11_last.
8729         * testsuite/tls_test.h (t11, t11_last): Declare.
8730         * testsuite/tls_test_c.c: New file.
8731         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8732         * configure.ac: Check for OpenMP support.
8733         * configure, config.in, Makefile.in: Rebuild.
8734         * testsuite/Makefile.in: Rebuild.
8736 2008-04-16  Cary Coutant  <ccoutant@google.com>
8738         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8739         (Target_i386::tls_base_symbol_defined_): New field.
8740         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8741         (Target_i386::Scan::global): Likewise.
8742         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8743         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8744         (Target_x86_64::tls_base_symbol_defined_): New field.
8745         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8746         (Target_x86_64::Scan::global): Likewise.
8748 2008-04-16  Cary Coutant  <ccoutant@google.com>
8750         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8751         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8752         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8753         building shared libraries.
8754         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8755         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8756         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8757         * testsuite/Makefile.in: Rebuild.
8758         * testsuite/weak_undef.h: New file.
8759         * testsuite/weak_undef_file1.cc: Add extra test cases.
8760         * testsuite/weak_undef_file2.cc: Likewise.
8761         * testsuite/weak_undef_test.cc: Likewise.
8763 2008-04-16  David S. Miller  <davem@davemloft.net>
8765         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8766         Add issued_non_pic_error_ field.  Declare check_non_pic.
8767         (Target_sparc::Scan::check_non_pic): New function.
8768         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8769         (Target_sparc::Scan::global): Likewise.
8771         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8772         * configure: Rebuild.
8774         * options.h (DEFINE_enable): New macro.
8775         (new_dtags): New enable option.
8776         (initfirst, interpose, loadfltr, nodefaultlib,
8777         nodelete, nodlopen, nodump): New -z options.
8778         * layout.cc (Layout:finish_dynamic_section): If new
8779         dtags enabled, emit DT_RUNPATH.  Also, emit a
8780         DT_FLAGS_1 containing any specified -z flags.
8782 2008-04-16  Ian Lance Taylor  <iant@google.com>
8784         * copy-relocs.cc: New file.
8785         * copy-relocs.h: New file.
8786         * reloc.cc: Remove Copy_relocs code.
8787         * reloc.h: Likewise.
8788         * reloc-types.h (struct Reloc_types) [both versions]: Add
8789         get_reloc_addend_noerror.
8790         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8791         variants of add_global which take an addend which must be zero.
8792         * i386.cc: Include "copy-relocs.h".
8793         (class Target_i386): Change type of copy_relocs_ to variable,
8794         update initializer.
8795         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8796         Change all callers.
8797         (Target_i386::do_finalize_sections): Change handling of
8798         copy_relocs_.
8799         * sparc.cc: Include "copy-relocs.h".
8800         (class Target_sparc): Change type of copy_relocs_ to variable,
8801         update initializer.
8802         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8803         Change all callers.
8804         (Target_sparc::do_finalize_sections): Change handling of
8805         copy_relocs_.
8806         * x86_64.cc: Include "copy-relocs.h".
8807         (class Target_x86_64): Change type of copy_relocs_ to variable,
8808         update initializer.
8809         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8810         class.  Change all callers.
8811         (Target_x86_64::do_finalize_sections): Change handling of
8812         copy_relocs_.
8813         * Makefile.am (CCFILES): Add copy-relocs.cc.
8814         (HFILES): Add copy-relocs.h.
8816         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
8818         * testsuite/script_test_4.sh: Permit leading zeroes.
8820 2008-04-15  Ian Lance Taylor  <iant@google.com>
8822         * script-sections.cc (Script_sections::create_segments): Use
8823         header_size_adjustment even when there is enough room for the
8824         headers.
8825         * testsuite/script_test_4.sh: New file.
8826         * testsuite/script_test_4.t: New file.
8827         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
8828         (check_DATA): Add script_test_4.stdout.
8829         (MOSTLYCLEANFILES): Likewise.
8830         (script_test_4): New target.
8831         (script_test_4.stdout): New target.
8832         * testsuite/Makefile.in: Rebuild.
8834         * sparc.cc: Add definitions for Output_data_plt_sparc class
8835         constants.
8837 2008-04-14  David S. Miller  <davem@davemloft.net>
8839         * sparc.cc: New file.
8840         * Makefile.am (TARGETSOURCES): Add sparc.cc
8841         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
8842         * configure.tgt: Document targ_extra_size and
8843         targ_extra_big_endian.  Add entries for sparc-* and
8844         sparc64-*.
8845         * configure.ac: Handle targ_extra_size and
8846         targ_extra_big_endian.
8847         * Makefile.in: Rebuild.
8848         * configure: Likewise.
8849         * po/POTFILES.in: Likewise.
8850         * po/gold.pot: Likewise.
8852 2008-04-14  Ian Lance Taylor  <iant@google.com>
8854         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
8855         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
8856         in the name/type/flags to section mapping.  Don't call
8857         allocate_output_section.
8858         (Layout::choose_output_section): Change parameter from adjust_name
8859         to is_input_section.  Don't permit input sections after sections
8860         are attached to segments.  Don't call allocate_output_section.
8861         (Layout::layout_eh_frame): Call update_flags_for_input_section,
8862         not write_enable_output_section.
8863         (Layout::make_output_section): Don't push to
8864         unattached_section_list_ nor call attach_to_segment.  Call
8865         attach_section_to_segment if sections are attached.
8866         (Layout::attach_sections_to_segments): New function.
8867         (Layout::attach_section_to_segment): New function.
8868         (Layout::attach_allocated_section_to_segment): Rename from
8869         attach_to_segment.  Remove flags parameter.
8870         (Layout::allocate_output_section): Remove function.
8871         (Layout::write_enable_output_section): Remove function.
8872         * layout.h (class Layout): Update for above changes.  Add new
8873         field sections_are_attached_.
8874         * output.h (Output_section::update_flags_for_input_section): New
8875         function.
8876         * output.cc (Output_section::add_input_section): Call
8877         update_flags_for_input_section.
8878         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
8880 2008-04-11  Cary Coutant  <ccoutant@google.com>
8882         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
8883         thought unnecessary.
8884         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
8886 2008-04-11  Ian Lance Taylor  <iant@google.com>
8888         * output.h (class Output_section_data): Remove inline definition
8889         of set_addralign.
8890         * output.cc (Output_section_data::set_addralign): New function.
8892 2008-04-11  Cary Coutant  <ccoutant@google.com>
8894         Add support for TLS descriptors for i386 and x86_64.
8895         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
8896         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
8897         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
8898         GOT_TYPE_TLS_DESC.
8899         (Target_i386::got_mod_index_entry): Remove unnecessary code.
8900         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
8901         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
8902         relocations.
8903         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
8904         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
8905         Fix problem with initial-exec relocations.
8906         (Target_i386::Relocate::relocate_tls): Likewise.
8907         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
8908         relaxation.
8909         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
8910         support for section-plus-offset dynamic table entries.
8911         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
8912         (Output_data_dynamic::Dynamic_entry): Add support for
8913         section-plus-offset dynamic table entries.
8914         (Output_data_dynamic::Classification): Likewise.
8915         (Output_data_dynamic::classification_): Renamed offset_.
8916         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
8917         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
8918         (Target_x86_64::make_plt_section): New function.
8919         (Target_x86_64::reserve_tlsdesc_entries): New function.
8920         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
8921         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
8922         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
8923         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
8924         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
8925         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
8926         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
8927         add extra PLT entry for TLS descriptors.
8928         (Output_data_plt_x86_64::got_): New field.
8929         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
8930         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
8931         fields.
8932         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
8933         descriptors.
8934         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
8935         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
8936         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
8937         R_386_TLS_DESC_CALL relocations.
8938         (Target_x86_64::Scan::global): Likewise.
8939         (Target_x86_64::do_finalize_sections): Add dynamic table entries
8940         for TLS descriptors.
8941         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
8942         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
8943         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
8944         GD-to-IE relaxation.
8945         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
8946         and TLS_DESCRIPTORS.
8947         * Makefile.in: Rebuild.
8948         * configure: Rebuild.
8949         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
8950         (tls_test_shared2.so): New target.
8951         (tls_shared_gd_to_ie_test_SOURCES): New variable.
8952         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
8953         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
8954         (tls_shared_gd_to_ie_test_LDADD): New variable.
8955         (tls_shared_gnu2_gd_to_ie_test): New target.
8956         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
8957         New targets.
8958         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
8959         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
8960         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
8961         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
8962         (tls_shared_gnu2_test): New target.
8963         (tls_test_gnu2_shared.so): New target.
8964         (tls_shared_gnu2_test_SOURCES): New variable.
8965         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
8966         (tls_shared_gnu2_test_LDFLAGS): New variable.
8967         (tls_shared_gnu2_test_LDADD): New variable.
8968         * testsuite/Makefile.in: Rebuild.
8969         * testsuite/Makefile.
8971 2008-04-11  Ian Lance Taylor  <iant@google.com>
8973         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
8974         justsyms.t.
8975         * testsuite/Makefile.in: Rebuild.
8977         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
8978         long.
8979         * testsuite/script_test_2.cc (main): Adjust test.
8981 2008-04-11  David S. Miller  <davem@davemloft.net>
8982             Ian Lance Taylor  <iant@google.com>
8984         * options.h (General_options): Add entries for '-Y' and
8985         '-relax'.
8986         * options.cc (General_options:finalize): If -Y was used, add those
8987         entries to the library path instead of the default "/lib" and
8988         "/usr/lib".
8990 2008-04-11  David S. Miller  <davem@davemloft.net>
8992         * testsuite/justsyms.t: Start at 0x100.
8993         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
8994         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
8995         long.
8996         * testsuite/script_test_2.cc: Adjust string and section length
8997         checks.
8999 2008-04-09  Ian Lance Taylor  <iant@google.com>
9001         PR gold/5996
9002         * script-sections.cc (Sections_element::allocate_to_segment): Add
9003         orphan parameter.
9004         (Output_section_definition::allocate_to_segment): Likewise.
9005         (Orphan_output_section::allocate_to_segment): Likewise.
9006         (Script_sections::attach_sections_using_phdrs_clause): Don't
9007         propagate non-PT_LOAD segments to orphan sections.
9008         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9009         readelf rather than objdump.
9010         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9011         .interp section and PT_INTERP segment are the same size.
9012         * testsuite/Makefile.in: Rebuild.
9014         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9015         aliases for symbols defined in the same object.
9016         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9017         (weak_alias_test_SOURCES): New variable.
9018         (weak_alias_test_DEPENDENCIES): New variable.
9019         (weak_alias_test_LDFLAGS): New variable.
9020         (weak_alias_test_LDADD): New variable.
9021         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9022         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9023         (weak_alias_test_3.o): New target.
9024         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9025         * testsuite/weak_alias_test_main.cc: New file.
9026         * testsuite/weak_alias_test_1.cc: New file.
9027         * testsuite/weak_alias_test_2.cc: New file.
9028         * testsuite/weak_alias_test_3.cc: New file.
9030 2008-04-08  Ian Lance Taylor  <iant@google.com>
9032         * options.h (class General_options): Add --noinhibit-exec option.
9033         * main.cc (main): Check --noinhibit-exec.
9035         * options.h (class General_options): Define --wrap as a special
9036         option.  Add wrap_symbols_ field.
9037         (General_options::any_wrap_symbols): New function.
9038         (General_options::is_wrap_symbol): New function.
9039         * options.cc (General_options::parse_wrap): New function.
9040         (General_options::General_options): Initialize wrap_symbols_.
9041         * symtab.cc (Symbol_table::wrap_symbol): New function.
9042         (Symbol_table::add_from_object): Handle --wrap.
9043         * symtab.h (class Symbol_table): Declare wrap_symbol.
9044         * target.h (Target::wrap_char): New function.
9045         (Target::Target_info): Add wrap_char field.
9046         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9047         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9048         * testsuite/testfile.cc (Target_test::test_target_info):
9049         Likewise.
9051         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9052         there is one.
9054         * layout.h (class Layout): Add added_eh_frame_data_ field.
9055         * layout.cc (Layout::Layout): Initialize new field.
9056         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9057         output section until we find a section we merged successfully.
9058         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9059         that the size be non-zero.
9061         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9062         qualifier.
9064 2008-04-08  Craig Silverstein  <csilvers@google.com>
9066         * configure.ac: Export new conditional variable HAVE_ZLIB.
9067         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9068         on HAVE_ZLIB.
9069         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9070         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9072 2008-04-07  Ian Lance Taylor  <iant@google.com>
9074         * version.cc (version_string): Set to "1.5".
9076         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9077         Add issued_non_pic_error_ field.  Declare check_non_pic.
9078         (Target_x86_64::Scan::check_non_pic): New function.
9079         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9080         (Target_x86_64::Scan::global): Likewise.
9082         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9083         addend parameter.  Change caller.  Handle merge sections.
9084         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9085         Address to Addend.  Don't add in the result of
9086         local_section_offset, pass down the addend and use the returned
9087         value.
9088         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9089         Update declarations of local_section_offset and symbol_value.
9090         * testsuite/two_file_test_1.cc (t18): New function.
9091         * testsuite/two_file_test_2.cc (f18): New function.
9092         * testsuite/two_file_test_main.cc (main): Call t18.
9093         * testsuite/two_file_test.h (t18, f18): Declare.
9095         * configure.ac: Don't test for objdump, c++filt, or readelf.
9096         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
9097         conditionals.
9098         (TEST_READELF): New variable.
9099         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
9100         (check_PROGRAMS): Add two_file_strip_test.
9101         (two_file_strip_test): New target.
9102         (check_PROGRAMS): Add two_file_same_shared_strip_test.
9103         (two_file_same_shared_strip_test_SOURCES): New variable.
9104         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
9105         (two_file_same_shared_strip_test_LDFLAGS): New variable.
9106         (two_file_same_shared_strip_test_LDADD): New variable.
9107         (two_file_shared_strip.so): New target.
9108         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
9109         (ver_test_5.syms, ver_test_7.syms): Likewise.
9110         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
9111         (strip_test_3.stdout): Use TEST_OBJDUMP.
9112         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9114 2008-04-04  Cary Coutant  <ccoutant@google.com>
9116         * symtab.h (Symbol::is_weak_undefined): New function.
9117         (Symbol::is_strong_undefined): New function.
9118         (Symbol::is_absolute): New function.
9119         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
9120         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
9121         absolute symbols.
9122         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
9123         (weak_undef_test): New target.
9124         * testsuite/Makefile.in: Rebuild.
9125         * testsuite/weak_undef_file1.cc: New file.
9126         * testsuite/weak_undef_file2.cc: New file.
9127         * testsuite/weak_undef_test.cc: New file.
9129 2008-04-03  Craig Silverstein  <csilvers@google.com>
9131         * compressed_output.h (class Output_compressed_section): Use
9132         unsigned buffer.
9133         * compressed_output.cc (zlib_compress): Use unsigned buffers,
9134         add zlib header.
9135         (zlib_compressed_suffix): Removed.
9136         (Output_compressed_section::set_final_data_size): Use unsigned
9137         buffers.
9138         * testsuite/Makefile.am (flagstest_compress_debug_sections):
9139         Fix linker invocation.
9140         (flagstest_o_specialfile_and_compress_debug_sections):
9141         Likewise.
9142         * testsuite/Makefile.in: Regenerated.
9144 2008-04-02  David S. Miller  <davem@davemloft.net>
9146         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
9147         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
9149 2008-04-02  Craig Silverstein  <csilvers@google.com>
9151         * TODO: New file.
9153 2008-04-02  Ian Lance Taylor  <iant@google.com>
9155         * fileread.cc (File_read::find_view): Add byteshift and vshifted
9156         parameters.  Update for new key type to views_.  Change all
9157         callers.
9158         (File_read::read): Adjust for byteshift in returned view.
9159         (File_read::add_view): New function, broken out of
9160         find_and_make_view.
9161         (File_read::make_view): New function, broken out of
9162         find_and_make_view.
9163         (File_read::find_or_make_view): Add offset and aligned
9164         parameters.  Rewrite accordingly.  Change all callers.
9165         (File_read::get_view): Add offset and aligned parameters.  Adjust
9166         for byteshift in return value.
9167         (File_read::get_lasting_view): Likewise.
9168         * fileread.h (class File_read): Update declarations.
9169         (class File_read::View): Add byteshift_ field.  Add byteshift to
9170         constructor.  Add byteshift method.
9171         * archive.h (Archive::clear_uncached_views): New function.
9172         (Archive::get_view): Add aligned parameter.  Change all callers.
9173         * object.h (Object::get_view): Add aligned parameter.  Change all
9174         callers.
9175         (Object::get_lasting_view): Likewise.
9177         * fileread.cc (File_read::release): Don't call clear_views if
9178         there are multiple objects.
9179         * fileread.h (File_read::clear_uncached_views): New function.
9180         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
9181         on the archive.
9183 2008-03-31  Cary Coutant  <ccoutant@google.com>
9185         Add thin archive support.
9186         * archive.cc (Archive::armagt): New const.
9187         (Archive::setup): Remove task parameter and calls to unlock.
9188         (Archive::unlock_nested_archives): New function.
9189         (Archive::read_header): Add nested_off parameter. Change
9190         all callers.
9191         (Archive::interpret_header): Likewise.
9192         (Archive::include_all_members): Change to handle thin
9193         archives.
9194         (Archive::include_member): Likewise.
9195         * archive.h (Archive::Archive): Add new parameters and
9196         initializers.
9197         (Archive::armagt): New const.
9198         (Archive::setup): Remove task parameter.
9199         (Archive::unlock_nested_archives): New function.
9200         (Archive::read_header): Add nested_off parameter.
9201         (Archive::interpret_header): Likewise.
9202         (Archive::Nested_archive_table): New typedef.
9203         (Archive::is_thin_archive_): New field.
9204         (Archive::nested_archives_): New field.
9205         (Archive::options_): New field.
9206         (Archive::dirpath_): New field.
9207         (Archive::task_): New field.
9208         * readsyms.cc (Read_symbols::do_read_symbols): Add check
9209         for thin archives.  Pass additional parameters to
9210         Archive::Archive.  Unlock the archive file after calling
9211         Archive::setup.
9213 2008-03-29  Ian Lance Taylor  <iant@google.com>
9215         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
9216         version symbol to be local.
9217         * testsuite/ver_test_4.sh: New file.
9218         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
9219         (check_DATA): Add ver_test_4.syms.
9220         (ver_test_4.syms): New target.
9221         * testsuite/Makefile.in: Rebuild.
9223         * output.cc
9224         (Output_section::Input_section_sort_entry::has_priority): New
9225         function.
9226         (Output_section::Input_section_sort_entry::match_file_name): New
9227         function.
9228         (Output_section::Input_section_sort_entry::match_section_name):
9229         Remove.
9230         (Output_section::Input_section_sort_entry::match_section_name_prefix):
9231         Remove.
9232         (Output_section::Input_section_sort_entry::match_section_file):
9233         Remove.
9234         (Output_section::Input_section_sort_compare::operator()): Rewrite
9235         using new Input_section_sort_entry functions.  Sort crtbegin and
9236         crtend first.  Sort sections with no priority before sections with
9237         a priority.
9238         * testsuite/initpri1.c (d3): Check j != 4.
9239         (cd5): New constructor/destructor function.
9240         (main): Check j != 2.
9242         * symtab.cc (Symbol_table::add_from_object): If we don't use the
9243         new symbol when resolving, don't call set_is_default.
9244         * testsuite/ver_test_7.cc: New file.
9245         * testsuite/ver_test_7.sh: New file.
9246         * testsuite/Makefile.am (ver_test_7.so): New target.
9247         (ver_test_7.o): New target.
9248         (check_SCRIPTS): Add ver_test_7.sh.
9249         (check_DATA): Add ver_test_7.syms.
9250         (ver_test_7.syms): New target.
9252 2008-03-28  Ian Lance Taylor  <iant@google.com>
9254         * layout.cc (Layout::layout): If we see an input section with a
9255         name that needs sorting, set the must_sort flag for the output
9256         section.
9257         (Layout::make_output_section): If the name of the output section
9258         indicates that it might require sorting, set the may_sort flag.
9259         * output.h (Output_section::may_sort_attached_input_sections): New
9260         function.
9261         (Output_section::set_may_sort_attached_input_sections): New
9262         function.
9263         (Output_section::must_sort_attached_input_sections): New
9264         function.
9265         (Output_section::set_must_sort_attached_input_sections): New
9266         function.
9267         (class Output_section): Declare Input_section_sort_entry.  Define
9268         Input_section_sort_compare.  Declare
9269         sort_attached_input_sections.  Add new fields:
9270         may_sort_attached_input_sections_,
9271         must_sort_attached_input_sections_,
9272         attached_input_sections_are_sorted_.
9273         * output.cc (Output_section::Output_section): Initialize new
9274         fields.
9275         (Output_section::add_input_section): Add an entry to
9276         input_sections_ if may_sort or must_sort are true.
9277         (Output_section::set_final_data_size): Call
9278         sort_attached_input_sections if necessary.
9279         (Output_section::Input_section_sort_entry): Define new class.
9280         (Output_section::Input_section_sort_compare::operator()): New
9281         function.
9282         (Output_section::sort_attached_input_sections): New function.
9283         * configure.ac: Check whether the compiler supports constructor
9284         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9285         * testsuite/initpri1.c: New file.
9286         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9287         CONSTRUCTOR_PRIORITY.
9288         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9289         (initpri1_LDFLAGS): New variable.
9290         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9292 2008-03-27  Ian Lance Taylor  <iant@google.com>
9294         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9295         * testsuite/common_test_1.c: New file.
9296         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9297         (common_test_1_SOURCES): New variable.
9298         (common_test_1_DEPENDENCIES): New variable.
9299         (common_test_1_LDFLAGS): New variable.
9301         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9302         and commons_ correctly when NAME/VERSION does not override
9303         NAME/NULL.
9304         * testsuite/ver_test_6.c: New file.
9305         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9306         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9307         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9309 2008-03-26  Ian Lance Taylor  <iant@google.com>
9311         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9312         of an undefined symbol from a version script.
9313         * testsuite/Makefile.am (ver_test_5.so): New target.
9314         (ver_test_5.o): New target.
9315         (check_SCRIPTS): Add ver_test_5.sh.
9316         (check_DATA): Add ver_test_5.syms.
9317         (ver_test_5.syms): New target.
9318         * testsuite/ver_test_5.cc: New file.
9319         * testsuite/ver_test_5.script: New file.
9320         * testsuite/ver_test_5.sh: New file.
9321         * Makefile.in, testsuite/Makefile.in: Rebuild.
9323         PR gold/5986
9324         Fix problems building gold with gcc 4.3.0.
9325         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9326         (gold_error_at_location, gold_warning_at_location): Use it.
9327         * configure.ac: Check whether we can compile and use a template
9328         function with a printf attribute.
9329         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9330         when jumping over bytes.
9331         * object.cc: Instantiate Object::read_section_data.
9332         * debug.h: Include <cstring>
9333         * dwarf_reader.cc: Include <algorithm>
9334         * main.cc: Include <cstring>.
9335         * options.cc: Include <cstring>.
9336         * output.cc: Include <cstring>.
9337         * script.cc: Include <cstring>.
9338         * script.h: Include <string>.
9339         * symtab.cc: Include <cstring> and <algorithm>.
9340         * target-select.cc: Include <cstring>.
9341         * version.cc: Include <string>.
9342         * testsuite/testmain.cc: Include <cstdlib>.
9343         * configure, config.in: Rebuild.
9345 2008-03-25  Ian Lance Taylor  <iant@google.com>
9347         * options.cc: Include "../bfd/bfdver.h".
9348         (options::help): Print bug reporting address.
9350         * version.cc (print_version): Adjust output for current value of
9351         BFD_VERSION_STRING.
9353         * NEWS: New file.
9355         * options.cc (options::help): Print list of supported targets.
9356         * target-select.h: Include <vector>.
9357         (class Target_selector): Make machine_, size_, and is_big_endian_
9358         fields const.  Add bfd_name_ and instantiated_target_ fields.
9359         (Target_selector::Target_selector): Add bfd_name parameter.
9360         (Target_selector::recognize): Make non-virtual, call
9361         do_recognize.
9362         (Target_selector::recognize_by_name): Make non-virtual, call
9363         do_recognize_by_name.
9364         (Target_selector::supported_names): New function.
9365         (Target_selector::bfd_name): New function.
9366         (Target_selector::do_instantiate_target): New pure virtual
9367         function.
9368         (Target_selector::do_recognize): New virtual function.
9369         (Target_selector::do_recognize_by_name): New virtual function.
9370         (Target_selector::instantiate_target): New private function.
9371         (supported_target_names): Declare.
9372         * target-select.cc (Target_selector::Target_selector): Update for
9373         new parameter and fields.
9374         (select_target_by_name): Check that the name matches before
9375         calling recognize_by_name.
9376         (supported_target_names): New function.
9377         * i386.cc (class Target_selector_i386): Update Target_selector
9378         constructor call.  Remove recognize and recognize_by_name.  Add
9379         do_instantiate_target.
9380         * x86_64.cc (class Target_selector_x86_64): Likewise.
9381         * testsuite/testfile.cc (class Target_selector_test): Update for
9382         changes to Target_selector.
9384         * README: Rewrite, with some notes on unsupported features.
9386 2008-03-24  Cary Coutant  <ccoutant@google.com>
9388         * i386.cc (Target_i386::Got_type): New enum declaration.
9389         (Target_i386::Scan::local): Updated callers of Output_data_got
9390         member functions.
9391         (Target_i386::Scan::global): Likewise.
9392         (Target_i386::Relocate::relocate): Likewise.
9393         (Target_i386::Relocate::relocate_tls): Likewise.
9394         * object.h (Got_offset_list): New class.
9395         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9396         (Sized_relobj::local_got_offset): Likewise.
9397         (Sized_relobj::set_local_got_offset): Likewise.
9398         (Sized_relobj::local_has_tls_got_offset): Removed.
9399         (Sized_relobj::local_tls_got_offset): Removed.
9400         (Sized_relobj::set_local_tls_got_offset): Removed.
9401         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9402         * output.cc (Output_data_got::add_global): Added got_type parameter.
9403         (Output_data_got::add_global_with_rel): Likewise.
9404         (Output_data_got::add_global_with_rela): Likewise.
9405         (Output_data_got::add_global_pair_with_rel): New function.
9406         (Output_data_got::add_global_pair_with_rela): New function.
9407         (Output_data_got::add_local): Added got_type parameter.
9408         (Output_data_got::add_local_with_rel): Likewise.
9409         (Output_data_got::add_local_with_rela): Likewise.
9410         (Output_data_got::add_local_pair_with_rel): New function.
9411         (Output_data_got::add_local_pair_with_rela): New function.
9412         (Output_data_got::add_global_tls): Removed.
9413         (Output_data_got::add_global_tls_with_rel): Removed.
9414         (Output_data_got::add_global_tls_with_rela): Removed.
9415         (Output_data_got::add_local_tls): Removed.
9416         (Output_data_got::add_local_tls_with_rel): Removed.
9417         (Output_data_got::add_local_tls_with_rela): Removed.
9418         * output.h (Output_data_got::add_global): Added got_type parameter.
9419         (Output_data_got::add_global_with_rel): Likewise.
9420         (Output_data_got::add_global_with_rela): Likewise.
9421         (Output_data_got::add_global_pair_with_rel): New function.
9422         (Output_data_got::add_global_pair_with_rela): New function.
9423         (Output_data_got::add_local): Added got_type parameter.
9424         (Output_data_got::add_local_with_rel): Likewise.
9425         (Output_data_got::add_local_with_rela): Likewise.
9426         (Output_data_got::add_local_pair_with_rel): New function.
9427         (Output_data_got::add_local_pair_with_rela): New function.
9428         (Output_data_got::add_global_tls): Removed.
9429         (Output_data_got::add_global_tls_with_rel): Removed.
9430         (Output_data_got::add_global_tls_with_rela): Removed.
9431         (Output_data_got::add_local_tls): Removed.
9432         (Output_data_got::add_local_tls_with_rel): Removed.
9433         (Output_data_got::add_local_tls_with_rela): Removed.
9434         * resolve.cc (Symbol::override_base_with_special): Removed
9435         reference to has_got_offset_ field.
9436         * symtab.cc (Symbol::init_fields): Replaced initialization
9437         of got_offset_ with got_offsets_.  Removed initialization
9438         of has_got_offset_
9439         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9440         (Symbol::got_offset): Likewise.
9441         (Symbol::set_got_offset): Likewise.
9442         (Symbol::has_tls_got_offset): Removed.
9443         (Symbol::tls_got_offset): Removed.
9444         (Symbol::set_tls_got_offset): Removed.
9445         (Symbol::got_offset_): Removed.
9446         (Symbol::tls_mod_got_offset_): Removed.
9447         (Symbol::tls_pair_got_offset_): Removed.
9448         (Symbol::got_offsets_): New field.
9449         (Symbol::has_got_offset): Removed.
9450         (Symbol::has_tls_mod_got_offset): Removed.
9451         (Symbol::has_tls_pair_got_offset): Removed.
9452         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9453         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9454         member functions.
9455         (Target_x86_64::Scan::global): Likewise.
9456         (Target_x86_64::Relocate::relocate): Likewise.
9457         (Target_x86_64::Relocate::relocate_tls): Likewise.
9459 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9461         * yyscript.y: Fix spelling error in comment.
9463 2008-03-24  Ian Lance Taylor  <iant@google.com>
9465         * options.h (class General_options): Define build_id option.
9466         * layout.h (class Layout): Declare write_build_id, create_note,
9467         create_build_id.  Add build_id_note_ member.
9468         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9469         "libiberty.h", "md5.h", "sha1.h".
9470         (Layout::Layout): Initialize eh_frame_data_,
9471         eh_frame_hdr_section_, and build_id_note_.
9472         (Layout::finalize): Call create_build_id.
9473         (Layout::create_note): New function, broken out of
9474         Layout::create_gold_note.
9475         (Layout::create_gold_note): Call create_note.
9476         (Layout::create_build_id): New function.
9477         (Layout::write_build_id): New function.
9478         (Close_task_runner::run): Call write_build_id.
9480         * x86_64.cc: Correct license to GPLv3.
9482 2008-03-23  Ian Lance Taylor  <iant@google.com>
9484         * options.cc: Include "demangle.h".
9485         (parse_optional_string): New function.
9486         (parse_long_option): Handle takes_optional_argument.
9487         (parse_short_option): Update dash_z initializer.  Handle
9488         takes_optional_argument.
9489         (General_options::General_options): Initialize do_demangle_.
9490         (General_options::finalize): Set do_demangle_.  Handle demangling
9491         style.
9492         * options.h (parse_optional_string): Declare.
9493         (struct One_option): Add optional_arg field.  Update constructor.
9494         Update call constructor calls.  Add takes_optional_argument
9495         function.
9496         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9497         (DEFINE_optional_string): Define.
9498         (General_options::demangle): Change from DEFINE_bool to
9499         DEFINE_optional_string.
9500         (General_options::no_demangle): New function.
9501         (General_options::do_demangle): New function.
9502         (General_options::set_do_demangle): New function.
9503         (General_options::execstack_status_): Move definition to end of
9504         class definition.
9505         (General_options::static_): Likewise.
9506         (General_options::do_demangle_): New field.
9507         * object.cc (big_endian>::get_symbol_location_info): Call
9508         Options::do_demangle, not Options::demangle.
9509         * symtab.cc (demangle): Likewise.
9511 2008-03-22  Ian Lance Taylor  <iant@google.com>
9513         * gold.h: Include <cstddef> and <sys/types.h>
9514         * options.h: Include <cstring>.
9516 2008-03-21  Ian Lance Taylor  <iant@google.com>
9518         * Added source code to GNU binutils.