* script-sections.h (class Script_sections): Make
[binutils.git] / gold / ChangeLog
blob9f58ef5829ed06b2a0f8a71377714b6c878b2a2b
1 2010-10-12  Ian Lance Taylor  <iant@google.com>
3         * script-sections.h (class Script_sections): Make
4         Sections_elements typedef public.
5         * script-sections.cc (class Sort_output_sections): Add elements_
6         field.  Add constructor which sets it; change all callers.
7         (Sort_output_sections::is_before): New function.
8         (Sort_output_sections::operator()): Call is_before.
9         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
10         conditional.
11         * testsuite/script_test_10.sh: New test. Test script section
12         order.
13         * testsuite/script_test_10.t: Likewise.
14         * testsuite/script_test_10.s: Likewise.
15         * testsuite/Makefile.am: Wrap the cross linker tests and the
16         common tests into NATIVE_OR_CROSS_LINKER.
17         (check_SCRIPTS): Add script_test_10.sh.
18         (check_DATA): Add script_test_10.stdout.
19         (script_test_10.o, script_test_10): New targets.
20         (script_test_10.stdout): New target.
21         * configure, testsuite/Makefile.in: Regenerate.
23 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
25         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
26         error for the deprecated relocations.
27         (Target_arm::Scan::global): Likewise.
28         (Target_arm::Relocate::relocate): Likewise.
30 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
32         * fileread.cc (Input_file::find_file): Initialize *found_name
33         and *namep when using the fallback search for case 4.
35 2010-10-11  Cary Coutant  <ccoutant@google.com>
37         * options.h (class General_options): Redefine -z lazy as an alias for
38         the negation of -z now.
40 2010-10-11  Ian Lance Taylor  <iant@google.com>
42         * resolve.cc (symbol_to_bits): Report the value of the unsupported
43         binding.
45 2010-10-06  Nick Clifton  <nickc@redhat.com>
47         * script-sections.cc(class Memory_region): Remove
48         current_lma_offset_ field.  Rename current_vma_offset_ to
49         current_offset_.  Add last_section_ field.
50         (Memory_region::get_current_vma_address): Rename to
51         get_current_address.
52         (Memory_region::get_current_lma_address): Delete.
53         (Memory_region::increment_vma_offset): Rename to
54         increment_offset.
55         (Memory_region::increment_lma_offset): Delete.
56         (Memory_region::attributes_compatible): New method.  Returns
57         true if the provided section is compatible with the region.
58         (Memory_region::get_last_section): New method.  Returns the last
59         section to use the region.
60         (Memory_region::set_last_section): New method.  Stores the last
61         section to use the region.
62         (Script_sections::block_in_region): New method.  Returns true if
63         a block of memory is contained within a region.
64         (Script_sections::find_memory_region): New method.  Locates a
65         memory region to be used to set a VMA or LMA address.
66         (Output_section_definition::set_section_addresses): Add code to
67         check for addresses set by memory regions.
68         (Output_segment::set_section_addresses): Remove memory region
69         walking code.
70         (Script_sections::create_segment): Add a warning if a header
71         segment is created outside of any region.
72         * script-sections.h (class Script_sections): Add prototypes for
73         find_memory_region and block_in_region methods.
74         * testsuite/memory_test.s: Use .long instead of .word.
75         * testsuite/memory_test.t: Add some more output sections.
76         * testsuite/memory_test.sh: Update expected output.
78 2010-10-02  Doug Kwan  <dougkwan@google.com>
80         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
81         defintion to symtab.h
82         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
83         declaration to defintion.
85 2010-10-01  Nick Clifton  <nickc@redhat.com>
87         * expression.cc (eval): Replace dummy argument with NULL.
88         (eval_maybe_dot): Check for a NULL result section pointer.
89         (Symbol_expression::value): Likewise.
90         (Dot_expression::value): Likewise.
91         (BINARY_EXPRESSION): Likewise.
92         (Max_expression::value): Likewise.
93         (Min_expression::value): Likewise.
94         (Absolute_expression::value): Likewise.
95         (Addr_expression::value_from_output_section): Likewise.
96         (Loaddddr_expression::value_from_output_section): Likewise.
97         (Segment_start_expression::value): Likewise.
98         * script-sections.cc
99         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
100         argument with NULL.
101         (Sections_elememt_dot_assignment::set_section_addresses):
102         Likewise.
103         (Output_data_expression::do_write_to_buffer): Likewise.
104         (Output_section_definition::finalize_symbols): Likewise.
105         (Output_section_definition::set_section_addresses): Likewise.
107 2010-09-30  Doug Kwan  <dougkwan@google.com>
109         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
111 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
113         * target.h (Target::can_icf_inline_merge_sections): New virtual
114         function.
115         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
116         virtual function.
117         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
118         virtual function.
119         * icf.cc (get_section_contents): Inline merge sections only when
120         target allows it.
122 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
124         * configure: Regenerate.
126 2010-09-17  Ian Lance Taylor  <iant@google.com>
128         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
129         * testsuite/Makefile.am (memory_test.o): New target.
130         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
131         memory_test.t.
132         * testsuite/Makefile.in: Rebuild.
134 2010-09-17  Doug Kwan  <dougkwan@google.com>
136         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
137         defintion if relocation uses GOT entries of the symbol.
138         * testsuite/icf_safe_test.sh: Fix test.
139         * testsuite/icf_safe_so_test.sh: Fix test.
141 2010-09-16  Cary Coutant  <ccoutant@google.com>
143         * script_sections.cc (class Memory_region): Remove "NULL" from
144         vector initializations.
146 2010-09-15  Cary Coutant  <ccoutant@google.com>
148         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
149         Resolve forwarding symbols.
151 2010-09-15  Doug Kwan  <dougkwan@google.com>
153         * gold/testsuite/script_test_3.t: Add ARM special sections.
154         * gold/testsuite/script_test_4.t: Same.
155         * gold/testsuite/script_test_5.t: Same.
156         * gold/testsuite/script_test_6.t: Same.
157         * gold/testsuite/script_test_7.t: Same.
158         * gold/testsuite/script_test_7.t: Same.
159         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
161 2010-09-14  Cary Coutant  <ccoutant@google.com>
163         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
164         (Target_x86_64::Relocate::relocate_tls): Replace check for
165         saw_tls_block_reloc_ with test for executable section.
167 2010-09-12  Cary Coutant  <ccoutant@google.com>
169         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
170         position-independent executables to shared libraries need dynamic
171         relocations.
172         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
173         position-independent executables.
174         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
175         * testsuite/Makefile.in: Regenerate.
177 2010-09-10  Nick Clifton  <nickc@redhat.com>
179         PR gold/11997
180         * testsuite/memory_test.t: Discard any sections that are not
181         needed.
183 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
185         PR gold/11996
186         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
187         "This::" to work around a bug in gcc 4.2.
189         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
191 2010-09-09  Rafael Espindola  <espindola@google.com>
193         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
194         sections with different PF_X flags in the same segment.
195         (Layout::find_first_load_seg): Search all segments to find the first
196         one.
197         * options.h (rosegment): New.
199 2010-09-08  Rafael Espindola  <espindola@google.com>
201         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
203 2010-09-08  Doug Kwan  <dougkwan@google.com>
205         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
206         (Arm_relobj::do_relocate_sections): Add new parameter for output
207         file to match the parent.
208         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
209         of local symbols instead of input values.  Update code to track
210         changes in gold::relocate_section.
211         * object.cc (Sized_relobj::compute_final_local_value): New methods.
212         (Sized_relobj::compute_final_local_value_internal): New methods.
213         (Sized_relobj::do_finalize_local_symbols): Move code from loop
214         body into private version of Sized_relobj::compute_final_local_value.
215         Call the inline method.
216         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
217         merged symbol value if there is one.
218         (Symbol_value::has_output_value): New method defintiion.
219         (Sized_relobj::Compute_final_local_value_status): New enum type.
220         (Sized_relobj::compute_final_local_value): New methods.
221         (Sized_relobj::compute_final_local_value_internal): New methods.
222         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
223         and arm_cortex_a8.sh.
224         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
225         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
226         New tests.
227         * Makefile.in: Regenerate.
228         * testsuite/arm_bl_out_of_range.s: Update test.
229         * testsuite/thumb_bl_out_of_range.s: Ditto.
230         * testsuite/thumb_blx_out_of_range.s: Ditto.
231         * testsuite/arm_branch_out_of_range.sh: New file.
232         * testsuite/arm_cortex_a8.sh: Ditto.
233         * testsuite/arm_cortex_a8_b.s: Ditto.
234         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
235         * testsuite/arm_cortex_a8_b_local.s: Ditto.
236         * testsuite/arm_cortex_a8_bl.s: Ditto.
237         * testsuite/arm_cortex_a8_blx.s: Ditto.
238         * testsuite/arm_cortex_a8_local.s: Ditto.
239         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
240         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
242 2010-09-08  Rafael Espindola  <espindola@google.com>
244         * Makefile.am (memory_test.stdout): Run readelf with -W.
245         * Makefile.in: Regenerate.
246         * testsuite/memory_test.sh: Make the regexps accept both 32 and
247         64 bit output.
249 2010-09-08  Rafael Espindola  <espindola@google.com>
251         * script-sections.cc (Script_sections::add_memory_region): Convert
252         field precision to int.
253         * script.cc (script_set_section_region, script_set_section_region):
254         Convert field precision to int.
256 2010-09-08  Rafael Espindola  <espindola@google.com>
258         * arm.cc (do_finalize_sections): Create the __exidx_start and
259         __exdix_end symbols even when the section is missing.
261 2010-09-08  Nick Clifton  <nickc@redhat.com>
263         * README: Remove claim that MEMORY is not supported.
264         * expression.cc (script_exp_function_origin)
265         (script_exp_function_length): Move from here to ...
266         * script.cc: ... here.
267         (script_set_section_region, script_add_memory)
268         (script_parse_memory_attr, script_include_directive): New
269         functions.
270         * script-sections.cc
271         (class Memory_region): New class.
272         (class Output_section_definition): Add set_memory_region,
273         set_section_vma, set_section_lma and get_section_name methods.
274         (class Script_Sections): Add add_memory_region,
275         find_memory_region, find_memory_region_origin,
276         find_memory_region_length and set_memory_region methods.
277         Have set_section_addresses method walk the list of set memory
278         regions.
279         Extend the print methos to display memory regions.
280         * script-sections.h: Add prototypes for new methods.
281         Add enum for MEMORY region attributes.
282         * yyscript.y: Add support for parsing MEMORY regions.
283         * script-c.h: Add prototypes for new functions.
284         * testsuite/Makefile.am: Add test of MEMORY region functionality.
285         * testsuite/Makefile.in: Regenerate.
286         * testsuite/memory_test.sh: New script.
287         * testsuite/memory_test.s: New assembler source file.
288         * testsuite/memory_test.t: New linker script.
290 2010-08-27  Doug Kwan  <dougkwan@google.com>
292         * gold/resolve.cc (Symbol_table::should_override): Let a weak
293         reference override an existing dynamic weak reference.
294         * testsuite/Makefile.am: Add new test dyn_weak_ref.
295         * testsuite/Makefile.in: Regenerate.
296         * testsuite/dyn_weak_ref.sh: New file.
297         * testsuite/dyn_weak_ref_1.c: Ditto.
298         * testsuite/dyn_weak_ref_2.c: Ditto.
300 2010-08-27  Ian Lance Taylor  <iant@google.com>
302         * incremental.h (class Incremental_input_entry): Add virtual
303         destructor.
305 2010-08-27  Ian Lance Taylor  <iant@google.com>
307         * testsuite/start_lib_test_3.c: Mark t3 as used.
309 2010-08-27  Nick Clifton  <nickc@redhat.com>
311         * options.cc (version_script): Fix small typo in previous
312         whitespace tidyup.
314 2010-08-25  Nick Clifton  <nickc@redhat.com>
316         * archive.cc: Formatting fixes: Remove whitespace between
317         typename and following asterisk.  Remove whitespace between
318         function name and opening parenthesis.
319         * archive.h: Likewise.
320         * arm.cc: Likewise.
321         * attributes.cc: Likewise.
322         * attributes.h: Likewise.
323         * common.cc: Likewise.
324         * copy-relocs.cc: Likewise.
325         * dirsearch.h: Likewise.
326         * dynobj.cc: Likewise.
327         * ehframe.cc: Likewise.
328         * ehframe.h: Likewise.
329         * expression.cc: Likewise.
330         * fileread.cc: Likewise.
331         * fileread.h: Likewise.
332         * gc.h: Likewise.
333         * gold-threads.cc: Likewise.
334         * gold.cc: Likewise.
335         * i386.cc: Likewise.
336         * icf.h: Likewise.
337         * incremental-dump.cc: Likewise.
338         * incremental.cc: Likewise.
339         * layout.cc: Likewise.
340         * layout.h: Likewise.
341         * main.cc: Likewise.
342         * merge.cc: Likewise.
343         * merge.h: Likewise.
344         * object.cc: Likewise.
345         * object.h: Likewise.
346         * options.cc: Likewise.
347         * options.h: Likewise.
348         * output.cc: Likewise.
349         * output.h: Likewise.
350         * plugin.cc: Likewise.
351         * plugin.h: Likewise.
352         * powerpc.cc: Likewise.
353         * reloc.cc: Likewise.
354         * script-c.h: Likewise.
355         * script-sections.cc: Likewise.
356         * script.cc: Likewise.
357         * stringpool.cc: Likewise.
358         * symtab.cc: Likewise.
359         * symtab.h: Likewise.
360         * target.cc: Likewise.
361         * timer.cc: Likewise.
362         * timer.h: Likewise.
363         * version.cc: Likewise.
364         * x86_64.cc: Likewise.
366 2010-08-24  Nick Clifton  <nickc@redhat.com>
368         PR 11899
369         * layout.cc (segment_precedes): Sort segments by their physical
370         addresses, if they have been set.
372 2010-08-23  Cary Coutant  <ccoutant@google.com>
374         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
375         symbols data.
376         (Lib_group::include_member): Unlock object after deleting its
377         symbols data.
378         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
379         the bug fixed here.
381 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
382             Cary Coutant  <ccoutant@google.com>
384         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
385         constructor, and set_blocker.
386         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
387         readsyms_blocker_.
388         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
389         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
390         * testsuite/Makefile.am (start_lib_test): New test case.
391         * testsuite/Makefile.in: Regenerate.
392         * testsuite/start_lib_test_main.c: New file.
393         * testsuite/start_lib_test_1.c: New file.
394         * testsuite/start_lib_test_2.c: New file.
395         * testsuite/start_lib_test_3.c: New file.
397 2010-08-19  Ian Lance Taylor  <iant@google.com>
399         * Makefile.in: Rebuild with automake 1.11.1.
400         * aclocal.m4: Likewise.
401         * testsuite/Makefile.in: Likewise.
403 2010-08-19  Ian Lance Taylor  <iant@google.com>
405         PR 10893
406         * i386.cc (class Output_data_plt_i386): Update declarations.
407         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
408         local_ifuncs_ fields.
409         (Target_i386::do_plt_section_for_global): New function.
410         (Target_i386::do_plt_section_for_local): New function.
411         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
412         parameter; change all callers.  Initialize global_ifuncs_ and
413         local_ifuncs_.  If doing a static link define __rel_iplt_start and
414         __rel_iplt_end.
415         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
416         (Output_data_plt_i386::add_local_ifunc_entry): New function.
417         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
418         symbols.
419         (Target_i386::make_plt_section): New function, broken out of
420         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
421         (Target_i386::make_plt_entry): Call make_plt_section.
422         (Target_i386::make_local_ifunc_plt_entry): New function.
423         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
424         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
425         R_386_IRELATIVE to switch.
426         (Target_i386::Scan::global): Likewise.
427         (Target_i386::Relocate::relocate): Likewise.
428         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
429         switch.
430         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
431         (Target_x86_64::do_plt_section_for_global): New function.
432         (Target_x86_64::do_plt_section_for_local): New function.
433         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
434         parameter; change all callers.  If doing a static link define
435         __rela_iplt_start and __rela_iplt_end.
436         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
437         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
438         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
439         to point to .plt.
440         (Target_x86_64::make_local_ifunc_plt_entry): New function.
441         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
442         switch.
443         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
444         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
445         R_X86_64_IRELATIVE to switch.
446         (Target_x86_64::Scan::global): Likewise.
447         (Target_x86_64::Relocate::relocate): Likewise.
448         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
449         switch.
450         * target.h (class Target): Add plt_section_for_global and
451         plt_section_for_local functions.  Add do_plt_section_for_global
452         and do_plt_section_for_local virtual functions.
453         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
454         clarifying comments.
455         (Symbol::use_plt_offset): Handle IFUNC symbol.
456         * object.cc (Sized_relobj::Sized_relobj): Initialize
457         local_plt_offsets_.
458         (Sized_relobj::local_has_plt_offset): New function.
459         (Sized_relobj::local_plt_offset): New function.
460         (Sized_relobj::set_local_plt_offset): New function.
461         (Sized_relobj::do_count): Handle IFUNC symbol.
462         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
463         a bit away from input_shndx_ field.  Add set_is_func_symbol and
464         is_ifunc_symbol functions.
465         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
466         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
467         local_plt_offsets_ field.
468         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
469         * output.h (class Output_section_data): Add non-const
470         output_section function.
471         (class Output_data_got): Update declarations.
472         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
473         Add use_plt_offset parameter to global and local constructors.
474         Change all callers.  Change local_sym_index_ field to 31 bits.
475         Change GSYM_CODE and CONSTANT_CODE accordingly.
476         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
477         doing a static link don't set sh_link field.
478         (Output_data_got::Got_entry::write): Use PLT offset if
479         appropriate.
480         (Output_data_got::add_global_plt): New function.
481         (Output_data_got::add_local_plt): New function.
482         * target-reloc.h (relocate_section): Handle IFUNC symbol.
483         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
484         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
485         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
486         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
487         IFUNC conditional.
488         * testsuite/ifunc-sel.h: New file.
489         * testsuite/ifuncmain1.c: New file.
490         * testsuite/ifuncmain1vis.c: New file.
491         * testsuite/ifuncmod1.c: New file.
492         * testsuite/ifuncdep2.c: New file.
493         * testsuite/ifuncmain2.c: New file.
494         * testsuite/ifuncmain3.c: New file.
495         * testsuite/ifuncmod3.c: New file.
496         * testsuite/ifuncmain4.c: New file.
497         * testsuite/ifuncmain5.c: New file.
498         * testsuite/ifuncmod5.c: New file.
499         * testsuite/ifuncmain6pie.c: New file.
500         * testsuite/ifuncmod6.c: New file.
501         * testsuite/ifuncmain7.c: New file.
502         * configure, testsuite/Makefile.in: Rebuild.
504 2010-08-18  Ian Lance Taylor  <iant@google.com>
506         * incremental.cc
507         (Output_section_incremental_inputs::write_input_files): Add cast
508         to avoid signed/unsigned comparison warning.
509         (Output_section_incremental_inputs::write_info_blocks): Likewise.
511 2010-08-12  Cary Coutant  <ccoutant@google.com>
513         * common.cc (Sort_commons::operator()): Remove unnecessary code.
515 2010-08-13  Ian Lance Taylor  <iant@google.com>
517         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
519 2010-08-12  Cary Coutant  <ccoutant@google.com>
520             Doug Kwan  <dougkwan@google.com>
522         * resolve.cc (Symbol_table::should_override): When a weak dynamic
523         defintion overrides non-weak undef, remember that the original undef
524         is not weak.
525         * symtab.cc (Symbol_table::sized_write_global): For undef without
526         an original weak binding, set binding to global in output.
527         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
528         * testsuite/Makefile.in: Regenerate.
529         * testsuite/strong_ref_weak_def.sh: New file.
530         * testsuite/strong_ref_weak_def_1.c: Ditto.
531         * testsuite/strong_ref_weak_def_2.c: Ditto.
533 2010-08-12  Cary Coutant  <ccoutant@google.com>
535         * testsuite/incremental_test.sh: Rewrite.
536         * testsuite/incremental_test_1.c: Rewrite.
537         * testsuite/incremental_test_2.c: Rewrite.
539 2010-08-12  Cary Coutant  <ccoutant@google.com>
541         * arm.cc (Target_arm::got_size): Add const.
542         (Target_arm::got_entry_count): New function.
543         (Target_arm::plt_entry_count): New function.
544         (Target_arm::first_plt_entry_offset): New function.
545         (Target_arm::plt_entry_size): New function.
546         (Output_data_plt_arm::entry_count): New function.
547         (Output_data_plt_arm::first_plt_entry_offset): New function.
548         (Output_data_plt_arm::get_plt_entry_size): New function.
549         * i386.cc (Target_i386::got_size): Add const.
550         (Target_i386::got_entry_count): New function.
551         (Target_i386::plt_entry_count): New function.
552         (Target_i386::first_plt_entry_offset): New function.
553         (Target_i386::plt_entry_size): New function.
554         (Output_data_plt_i386::entry_count): New function.
555         (Output_data_plt_i386::first_plt_entry_offset): New function.
556         (Output_data_plt_i386::get_plt_entry_size): New function.
557         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
558         find_incremental_inputs_sections.  Dump incremental_got_plt section.
559         * incremental.cc: Include target.h.
560         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
561         parameter.  Adjust all callers.  Find incremental_got_plt section.
562         (Incremental_inputs::create_data_sections): Create incremental_got_plt
563         section.
564         (Output_section_incremental_inputs::set_final_data_size): Calculate
565         size of incremental_got_plt section.
566         (Output_section_incremental_inputs::do_write): Write the
567         incremental_got_plt section.
568         (Got_plt_view_info): New struct.
569         (Local_got_offset_visitor): New class.
570         (Global_got_offset_visitor): New class.
571         (Global_symbol_visitor_got_plt): New class.
572         (Output_section_incremental_inputs::write_got_plt): New function.
573         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
574         Add parameter.  Adjust all callers.
575         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
576         (Incremental_inputs::got_plt_section): New function.
577         (Incremental_inputs::got_plt_section_): New data member.
578         (Incremental_got_plt_reader): New class.
579         * layout.cc (Layout::create_incremental_info_sections): Add the
580         incremental_got_plt section.
581         * object.h (Got_offset_list::get_list): New function.
582         (Got offset_list::for_all_got_offsets): New function.
583         (Sized_relobj::local_got_offset_list): New function.
584         * powerpc.cc (Target_powerpc::got_size): Add const.
585         (Target_powerpc::got_entry_count): New function.
586         (Target_powerpc::plt_entry_count): New function.
587         (Target_powerpc::first_plt_entry_offset): New function.
588         (Target_powerpc::plt_entry_size): New function.
589         (Output_data_plt_powerpc::entry_count): New function.
590         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
591         (Output_data_plt_powerpc::get_plt_entry_size): New function.
592         * sparc.cc (Target_sparc::got_size): Add const.
593         (Target_sparc::got_entry_count): New function.
594         (Target_sparc::plt_entry_count): New function.
595         (Target_sparc::first_plt_entry_offset): New function.
596         (Target_sparc::plt_entry_size): New function.
597         (Output_data_plt_sparc::entry_count): New function.
598         (Output_data_plt_sparc::first_plt_entry_offset): New function.
599         (Output_data_plt_sparc::get_plt_entry_size): New function.
600         * symtab.h (Symbol::got_offset_list): New function.
601         (Symbol_table::for_all_symbols): New function.
602         * target.h (Sized_target::got_entry_count): New function.
603         (Sized_target::plt_entry_count): New function.
604         (Sized_target::plt_entry_size): New function.
605         * x86_64.cc (Target_x86_64::got_size): Add const.
606         (Target_x86_64::got_entry_count): New function.
607         (Target_x86_64::plt_entry_count): New function.
608         (Target_x86_64::first_plt_entry_offset): New function.
609         (Target_x86_64::plt_entry_size): New function.
610         (Output_data_plt_x86_64::entry_count): New function.
611         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
612         (Output_data_plt_x86_64::get_plt_entry_size): New function.
614 2010-08-12  Cary Coutant  <ccoutant@google.com>
616         * archive.cc: Include incremental.h.
617         (Archive::Archive): Initialize incremental_info_.
618         (Archive::include_member): Record archive members in incremental info.
619         (Add_archive_symbols::run): Record begin and end of an archive in
620         incremental info.
621         (Lib_group::include_member): Record objects in incremental info.
622         * archive.h (Incremental_archive_entry): Forward declaration.
623         (Archive::set_incremental_info): New member function.
624         (Archive::incremental_info): New member function.
625         (Archive::Unused_symbol_iterator): New class.
626         (Archive::unused_symbols_begin): New member function.
627         (Archive::unused_symbols_end): New member function.
628         (Archive::incremental_info_): New data member.
629         * incremental-dump.cc (find_input_containing_global): New function.
630         (dump_incremental_inputs): Dump new incremental info sections.
631         * incremental.cc: Include symtab.h.
632         (Output_section_incremental_inputs): New class.
633         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
634         new incremental info sections.
635         (Sized_incremental_binary::do_check_inputs): Likewise.
636         (Incremental_inputs::report_archive): Remove.
637         (Incremental_inputs::report_archive_begin): New function.
638         (Incremental_inputs::report_archive_end): New function.
639         (Incremental_inputs::report_object): New function.
640         (Incremental_inputs::finalize_inputs): Remove.
641         (Incremental_inputs::report_input_section): New function.
642         (Incremental_inputs::report_script): Rewrite.
643         (Incremental_inputs::finalize): Do nothing but finalize string table.
644         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
645         (Incremental_inputs::sized_create_inputs_section_data): Remove.
646         (Incremental_inputs::create_data_sections): New function.
647         (Incremental_inputs::relocs_entsize): New function.
648         (Output_section_incremental_inputs::set_final_data_size): New function.
649         (Output_section_incremental_inputs::do_write): New function.
650         (Output_section_incremental_inputs::write_header): New function.
651         (Output_section_incremental_inputs::write_input_files): New function.
652         (Output_section_incremental_inputs::write_info_blocks): New function.
653         (Output_section_incremental_inputs::write_symtab): New function.
654         * incremental.h (Incremental_script_entry): Forward declaration.
655         (Incremental_object_entry): Forward declaration.
656         (Incremental_archive_entry): Forward declaration.
657         (Incremental_inputs): Forward declaration.
658         (Incremental_inputs_header_data): Remove.
659         (Incremental_inputs_header): Remove.
660         (Incremental_inputs_header_write): Remove.
661         (Incremental_inputs_entry_data): Remove.
662         (Incremental_inputs_entry): Remove.
663         (Incremental_inputs_entry_write): Remove.
664         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
665         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
666         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
667         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
668         Likewise.
669         (Incremental_input_entry): New class.
670         (Incremental_script_entry): New class.
671         (Incremental_object_entry): New class.
672         (Incremental_archive_entry): New class.
673         (Incremental_inputs::Incremental_inputs): Initialize new data members.
674         (Incremental_inputs::report_inputs): Remove.
675         (Incremental_inputs::report_archive): Remove.
676         (Incremental_inputs::report_archive_begin): New function.
677         (Incremental_inputs::report_archive_end): New function.
678         (Incremental_inputs::report_object): Change prototype.
679         (Incremental_inputs::report_input_section): New function.
680         (Incremental_inputs::report_script): Change prototype.
681         (Incremental_inputs::get_reloc_count): New function.
682         (Incremental_inputs::set_reloc_count): New function.
683         (Incremental_inputs::create_data_sections): New function.
684         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
685         (Incremental_inputs::inputs_section): New function.
686         (Incremental_inputs::symtab_section): New function.
687         (Incremental_inputs::relocs_section): New function.
688         (Incremental_inputs::get_stringpool): Add const.
689         (Incremental_inputs::command_line): Add const.
690         (Incremental_inputs::inputs): Remove.
691         (Incremental_inputs::command_line_key): New function.
692         (Incremental_inputs::input_file_count): New function.
693         (Incremental_inputs::input_files): New function.
694         (Incremental_inputs::relocs_entsize): New function.
695         (Incremental_inputs::sized_create_inputs_section_data): Remove.
696         (Incremental_inputs::finalize_inputs): Remove.
697         (Incremental_inputs::Input_info): Remove.
698         (Incremental_inputs::lock_): Remove.
699         (Incremental_inputs::inputs_): Change type.
700         (Incremental_inputs::inputs_map_): Remove.
701         (Incremental_inputs::current_object_entry_): New data member.
702         (Incremental_inputs::inputs_section_): New data member.
703         (Incremental_inputs::symtab_section_): New data member.
704         (Incremental_inputs::relocs_section_): New data member.
705         (Incremental_inputs::reloc_count_): New data member.
706         (Incremental_inputs_reader): New class.
707         (Incremental_symtab_reader): New class.
708         (Incremental_relocs_reader): New class.
709         * layout.cc (Layout::finalize): Move finalization of incremental info
710         and creation of incremental info sections to follow finalization of
711         symbol table.  Set offsets for postprocessing sections.
712         (Layout::create_incremental_info_sections): Call
713         Incremental_inputs::create_data_sections.  Add incremental symtab
714         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
715         sections to layout after input sections.
716         * layout.h (struct Timespec): Forward declaration.
717         (Layout::incremental_inputs): Add const.
718         (Layout::create_incremental_info_sections): Add parameter.
719         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
720         * object.cc: Include incremental.h.
721         (Relobj::finalize_incremental_relocs): New function.
722         (Sized_relobj::do_layout): Record input sections in incremental info.
723         * object.h (Object::output_section): New function.
724         (Object::output_section_offset): Moved from Relobj.
725         (Object::get_incremental_reloc_base): New function.
726         (Object::get_incremental_reloc_count): New function.
727         (Object::do_output_section): New function.
728         (Object::do_output_section_offset): Moved from Relobj.
729         (Object::do_get_incremental_reloc_base): New function.
730         (Object::do_get_incremental_reloc_count): New function.
731         (Object::Object): Initialize new data members.
732         (Relobj::output_section): Renamed do_output_section and moved to
733         protected.
734         (Relobj::output_section_offset): Moved to Object.
735         (Relobj::do_get_incremental_reloc_base): New function.
736         (Relobj::do_get_incremental_reloc_count): New function.
737         (Relobj::allocate_incremental_reloc_counts): New function.
738         (Relobj::count_incremental_reloc): New function.
739         (Relobj::finalize_incremental_relocs): New function.
740         (Relobj::next_incremental_reloc_index): New function.
741         (Relobj::reloc_counts_): New data member.
742         (Relobj::reloc_bases_): New data member.
743         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
744         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
745         (Sized_relobj::incremental_relocs_scan): New function.
746         (Sized_relobj::incremental_relocs_scan_reltype): New function.
747         (Sized_relobj::incremental_relocs_write): New function.
748         (Sized_relobj::incremental_relocs_write_reltype): New function.
749         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
750         incremental link.
751         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
752         archives and object files elsewhere.
753         (Add_symbols::run): Report object files here.
754         (Finish_group::run): Report end of archive at end of group.
755         * reloc.cc: Include layout.h, incremental.h.
756         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
757         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
758         (Sized_relobj::incremental_relocs_scan): New function.
759         (Sized_relobj::incremental_relocs_scan_reltype): New function.
760         (Sized_relobj::do_relocate_sections): Write incremental relocations.
761         (Sized_relobj::incremental_relocs_write): New function.
762         (Sized_relobj::incremental_relocs_write_reltype): New function.
763         * script.cc (read_input_script): Rewrite test for incremental link.
764         Change call to Incremental_inputs::report_script.
765         * symtab.h (Symbol_table::first_global_index): New function.
766         (Symbol_table::output_count): New function.
768 2010-08-12  Doug Kwan  <dougkwan@google.com>
770         * arm.cc (Target_arm::merge_object_attributes): Check command line
771         options --no-wchar-size-warning and --no-enum-size-warning.
772         * options.h (General_options): Add ld-compatible options
773         --no-enum-size-warning and --no-wchar-size-warning.
775 2010-08-04  Ian Lance Taylor  <iant@google.com>
777         * x86_64.cc (Target_x86_64::Scan::local): Use
778         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
779         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
780         (Target_x86_64::Scan::global): Likewise.
781         (Target_x86_64::Relocate::relocate): Likewise.
782         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
783         Likewise.
785 2010-08-03  Cary Coutant  <ccoutant@google.com>
787         * merge.cc (Output_merge_string::do_add_input_section): Count strings
788         to reserve space in merged_strings vector. Keep total input size
789         for stats.
790         (Output_merge_string::do_print_merge_stats): Print total input size.
791         * merge.h (Output_merge_string): Add input_size_ field.
792         * stringpool.cc (Stringpool_template::string_length): Move
793         implementations out of Stringpool_template class and place in
794         stringpool.h.
795         * stringpool.h (string_length): Move out of Stringpool_template.
797 2010-08-03  Ian Lance Taylor  <iant@google.com>
799         PR 11712
800         * layout.cc (relaxation_loop_body): If address of load segment is
801         set, adjust address to include headers if possible.
803 2010-08-03  Ian Lance Taylor  <iant@google.com>
805         * version.cc (version_string): Bump to 1.10.
807 2010-08-03  Ian Lance Taylor  <iant@google.com>
809         PR 11805
810         * layout.h (enum Output_section_order): Define.
811         (class Layout): Update declarations.
812         * layout.cc (Layout::get_output_section): Add order parameter.
813         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
814         is_first_non_relro parameters.  Change all callers.
815         (Layout::choose_output_section): Likewise.
816         (Layout::add_output_section_data): Likewise.
817         (Layout::make_output_section): Likewise.  Set order.
818         (Layout::default_section_order): New function.
819         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
820         * output.cc (Output_section::Output_section): Initialize order_.
821         Don't initialize deleted fields.
822         (Output_segment::Output_segment): Don't initialize deleted
823         fields.
824         (Output_segment::add_output_section_to_load): New function
825         replacing add_output_section.  Change all callers to call this or
826         add_output_section_to_nonload.
827         (Output_segment::add_output_section_to_nonload): New function.
828         (Output_segment::remove_output_section): Rewrite.
829         (Output_segment::add_initial_output_data): Likewise.
830         (Output_segment::has_any_data_sections): Likewise.
831         (Output_segment::is_first_section_relro): Likewise.
832         (Output_segment::maximum_alignment): Likewise.
833         (Output_segment::has_dynamic_reloc): New function replacing
834         dynamic_reloc_count.  Change all callers.
835         (Output_segment::has_dynamic_reloc_list): New function replacing
836         dynamic_reloc_count_list.  Change all callers.
837         (Output_segment::set_section_addresses): Rewrite.
838         (Output_segment::set_offset): Rewrite.
839         (Output_segment::find_first_and_last_list): Remove.
840         (Output_segment::set_tls_offsets): Rewrite.
841         (Output_segment::first_section_load_address): Likewise.
842         (Output_segment::output_section_count): Likewise.
843         (Output_segment::section_with_lowest_load_address): Likewise.
844         (Output_segment::write_section_headers): Likewise.
845         (Output_segment::print_sections_to_map): Likewise.
846         * output.h (class Output_data): Remove dynamic_reloc_count_
847         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
848         (Output_data::add_dynamic_reloc): Rewrite.
849         (Output_data::has_dynamic_reloc): New function.
850         (Output_data::dynamic_reloc_count): Remove.
851         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
852         is_last_relro_, is_first_non_relro_, is_interp_,
853         is_dynamic_linker_section_ fields.  Add order and set_order
854         functions.  Remove is_relro_local, set_is_relro_local,
855         is_last_relro, set_is_last_relro, is_first_non_relro,
856         set_is_first_non_relro functions, is_interp, set_is_interp,
857         is_dynamic_linker_section, and set_is_dynamic_linker_section
858         functions.
859         (class Output_segment): Change Output_data_list from std::list to
860         std:;vector.  Add output_lists_ field.  Remove output_data_ and
861         output_bss_ fields.  Update declarations.
863 2010-08-02  Ian Lance Taylor  <iant@google.com>
865         * arm.cc (Target_arm::gc_process_relocs): Use typename.
866         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
867         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
869 2010-08-02  Ian Lance Taylor  <iant@google.com>
871         PR 11855
872         * script.cc (Script_options::Script_options): Initialize
873         symbol_definitions_ and symbol_references_.
874         (Script_options::add_symbol_assignment): Update
875         symbol_definitions_ and symbol_references_.
876         (Script_options::add_symbol_reference): New function.
877         (script_symbol): New function.
878         * script.h (class Script_options): Add symbol_definitions_ and
879         symbol_references_ fields.
880         (Script_options::referenced_const_iterator): New type.
881         (Script_options::referenced_begin): New function.
882         (Script_options::referenced_end): New function.
883         (Script_options::is_referenced): New function.
884         (Script_options::any_unreferenced): New function.
885         * script-c.h (script_symbol): Declare.
886         * yyscript.y (exp): Call script_symbol.
887         * symtab.cc: Include "script.h".
888         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
889         Change all callers.  Check symbols referenced by scripts.
890         (Symbol_table::add_undefined_symbols_from_command_line): Add
891         layout parameter.  Change all callers.
892         (Symbol_table::do_add_undefined_symbols_from_command_line):
893         Likewise.  Break out loop body.  Check symbols referenced by
894         scripts.
895         (Symbol_table::add_undefined_symbol_from_command_line): New
896         function broken out of
897         do_add_undefined_symbols_from_command_line.
898         * symtab.h (class Symbol_table): Update declarations.
899         * archive.cc: Include "layout.h".
900         (Archive::should_include_member): Add layout parameter.  Change
901         all callers.  Check for symbol mentioned in expression.
902         * archive.h (class Archive): Update declaration.
903         * object.cc (Sized_relobj::do_should_include_member): Add layout
904         parameter.
905         * object.h (Object::should_include_member): Add layout parameter.
906         Change all callers.
907         (Object::do_should_include_member): Add layout parameter.
908         (class Sized_relobj): Update declaration.
909         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
910         parameter.
911         * dynobj.h (class Sized_dynobj): Update declaration.
912         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
913         layout parameter.
914         * plugin.h (class Sized_pluginobj): Update declaration.
916 2010-08-02  Ian Lance Taylor  <iant@google.com>
918         PR 11866
919         * output.cc (Output_segment::set_offset): Search for the first and
920         last sections rather than assuming that the list is in order.
921         (Output_segment::find_first_and_last_list): New function.
922         * output.h (class Output_segment): Update declarations.
923         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
924         (relro_strip_test_SOURCES): New variable.
925         (relro_strip_test_DEPENDENCIES): New variable.
926         (relro_strip_test_LDFLAGS): New variable.
927         (relro_strip_test_LDADD): New variable.
928         (relro_strip_test.so): New target.
930 2010-08-02  Ian Lance Taylor  <iant@google.com>
932         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
933         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
934         (Target_i386::got_tlsdesc_section): New function.
935         (Target_i386::got_section): Create space for GOT entries for
936         TLSDESC relocations.
937         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
938         R_386_TLS_GOTDESC.
939         (Target_i386::Scan::global): Likewise.
940         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
941         using TLSDESC GOT.
942         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
943         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
944         (Target_x86_64::got_tlsdesc_section): New function.
945         (Target_x86_64::got_section): Create space for GOT entries for
946         TLSDESC relocations.
947         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
948         R_386_TLS_GOTDESC.
949         (Target_x86_64::Scan::global): Likewise.
950         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
951         using TLSDESC GOT.
953 2010-08-02  Ian Lance Taylor  <iant@google.com>
955         * testsuite/final_layout.sh: Use dc to convert from hex to
956         decimal.
958 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
960         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
961         paramter to the call to gold::gc_process_relocs.
962         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
963         paramter to the call to gold::gc_process_relocs.
964         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
965         parameter to the call to gold::gc_process_relocs.
966         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
967         template parameter to the call to gold::gc_process_relocs.
968         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
969         paramter to the call to gold::gc_process_relocs.
970         * gc.h (get_embedded_addend_size): New function.
971         (gc_process_relocs): Save the size of the reloc for use by ICF.
972         * icf.cc (get_section_contents): Get the addend from the text section
973         for SHT_REL relocation sections.
974         * icf.h (Icf::Reloc_addend_size_info): New typedef.
975         (Icf::Reloc_info): Add new member reloc_addend_size_info.
976         * int_encoding.h (read_from_pointer): New overloaded function.
977         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
978         * testsuite/icf_sht_rel_addend_test.sh: New file.
979         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
980         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
982 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
984         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
985         * Makefile.in: Regenerate.
986         * testsuite/Makefile.in: Regenerate.
988 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
990         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
991         * gold/testsuite/debug_msg.cc: Likewise.
992         * gold/testsuite/odr_violation1.cc
993         * gold/testsuite/odr_violation2.cc
995 2010-07-21  Cary Coutant  <ccoutant@google.com>
997         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
998         string, and length fields.
999         (Output_merge_string::Merged_strings_list): New type.
1000         (Output_merge_string::Merged_strings_lists): New typedef.
1001         (Output_merge_string): Replace merged_strings_ with
1002         merged_strings_lists_.
1003         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
1004         Merged_strings_list per input object and section.  Don't store pointer
1005         to the string.  Don't store length with each merged string entry.
1006         (Output_merge_string::finalize_merged_data): Loop over list of merged
1007         strings lists.  Recompute length of each merged string.
1009 2010-07-15  Cary Coutant  <ccoutant@google.com>
1011         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
1012         here.
1014 2010-07-14  Ian Lance Taylor  <iant@google.com>
1016         * descriptors.cc (Descriptors::open): Report correct name in error
1017         message.
1019 2010-07-13  Doug Kwan  <dougkwan@google.com>
1021         * arm.cc (Arm_input_section::Arm_input_section): For a
1022         SHT_ARM_EXIDX section, always keeps the input sections.
1023         (Arm_input_section::set_exidx_section_link): New method.
1024         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
1025         has_errors_ to false.
1026         (Arm_exidx_input_section::has_errors,
1027         Arm_exidx_input_section::set_has_errors): New methods.
1028         (Arm_exidx_input_section::has_errors_): New data member.
1029         (Arm_relobj::get_exidx_shndx_list): New method.
1030         (Arm_output_section::append_text_sections_to_list): Do not skip
1031         section without SHF_EXECINSTR.
1032         (Arm_output_section::fix_exidx_coverage): Skip input sections with
1033         errors.
1034         (Arm_relobj::make_exidx_input_section): Add new parameter for text
1035         section header.  Make error messages more verbose.  Check for
1036         a non-executable section linked to an EXIDX section.
1037         (Arm_relobj::do_read_symbols): Remove error checking, which has been
1038         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
1039         check that there is no deferred EXIDX section if we exit early.
1040         Instead of not making an EXIDX section in case of an error, make one
1041         and set the has_errors flag of it.
1042         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
1043         in a relocatable link.
1044         (Target_arm::do_relax): Look for the EXIDX output section instead of
1045         assuming that it is called .ARM.exidx.
1046         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1047         section list.  Do not check for SHF_EXECINSTR section flags but
1048         skip any input section with errors.
1049         * output.cc (Output_section::Output_section): Initialize
1050         always_keeps_input_sections_ to false.
1051         (Output_section::add_input_section): Check for
1052         always_keeps_input_sections_.
1053         *  output.h (Output_section::always_keeps_input_sections,
1054         Output_section::set_always_keeps_input_sections): New methods.
1055         (Output_section::always_keeps_input_sections): New data member.
1057 2010-07-13  Rafael Espindola  <espindola@google.com>
1059         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1060         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1062 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1063             Ian Lance Taylor  <iant@google.com>
1065         * output.h (Output_section_lookup_maps::add_merge_section):
1066         Correct check of whether value was inserted.
1067         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1068         (Output_section_lookup_maps::add_relaxed_input_section):
1069         Likewise.
1070         * arm.cc (Target_arm::got_section): Remove used local os.
1071         * i386.cc (Target_i386::got_section): Likewise.
1072         * x86_64.cc (Target_x86_64::got_section): Likewise.
1073         * sparc.cc (Target_sparc::got_section): Likewise.
1074         (Target_sparc::relocate): Remove unused local have_got_offset.
1075         * powerpc.cc (Target_powerpc::relocate): Likewise.
1077 2010-07-13  Ian Lance Taylor  <iant@google.com>
1079         * compressed_output.cc (zlib_decompress): Fix signature in
1080         !HAVE_ZLIB_H case.
1082         * archive.cc (Archive::include_member): Unlock an external member
1083         of a thin archive.  Don't bother to delete an object we know is
1084         NULL.
1086 2010-07-12  Cary Coutant  <ccoutant@google.com>
1088         * compressed_output.cc (zlib_decompress): New function.
1089         (get_uncompressed_size): New function.
1090         (decompress_input_section): New function.
1091         * compressed_output.h (get_uncompressed_size): New function.
1092         (decompress_input_section): New function.
1093         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1094         Handle compressed debug sections.
1095         * layout.cc (is_compressed_debug_section): New function.
1096         (Layout::output_section_name): Map compressed section names to
1097         canonical names.
1098         * layout.h (is_compressed_debug_section): New function.
1099         (is_debug_info_section): Recognize compressed debug sections.
1100         * merge.cc: Include compressed_output.h.
1101         (Output_merge_data::do_add_input_section): Handle compressed
1102         debug sections.
1103         (Output_merge_string::do_add_input_section): Handle compressed
1104         debug sections.
1105         * object.cc: Include compressed_output.h.
1106         (Sized_relobj::Sized_relobj): Initialize new data members.
1107         (build_compressed_section_map): New function.
1108         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1109         * object.h (Object::section_is_compressed): New method.
1110         (Object::do_section_is_compressed): New method.
1111         (Sized_relobj::Compressed_section_map): New type.
1112         (Sized_relobj::do_section_is_compressed): New method.
1113         (Sized_relobj::compressed_sections_): New data member.
1114         * output.cc (Output_section::add_input_section): Handle compressed
1115         debug sections.
1116         * reloc.cc: Include compressed_output.h.
1117         (Sized_relobj::write_sections): Handle compressed debug sections.
1119 2010-07-08  Cary Coutant  <ccoutant@google.com>
1121         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1122         weak when resolving to a dynamic def.
1123         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1124         for weak undef/dynamic def cases. Adjust callers.
1125         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1126         undef_binding_weak_.
1127         (Symbol_table::sized_write_globals): Adjust symbol binding.
1128         (Symbol_table::sized_write_symbol): Add binding parameter.
1129         * symtab.h (Symbol::set_undef_binding): New method.
1130         (Symbol::is_undef_binding_weak): New method.
1131         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1132         (Symbol_table::should_override): Add new parameter.
1133         (Symbol_table::sized_write_symbol): Add new parameter.
1135         * testsuite/weak_undef_file1.cc: Add new test case.
1136         * testsuite/weak_undef_file2.cc: Fix header comment.
1137         * testsuite/weak_undef_test.cc: Add new test case.
1139 2010-06-29  Doug Kwan  <dougkwan@google.com>
1141         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1142         Initialize USE_SYMBOL_.
1143         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1144         definition.
1145         (Arm_reloc_property::uses_symbol_): New data member declaration.
1146         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1147         uses symbol value and symbol is undefined but not weakly undefined.
1149 2010-06-28  Rafael Espindola  <espindola@google.com>
1151         * plugin.cc (Plugin::load): Use dlerror.
1153 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1155         * symtab.cc (detect_odr_violations): When reporting an ODR
1156         violation, report an object where the symbol is defined.
1158 2010-06-25  Doug Kwan  <dougkwan@google.com>
1160         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1161         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1162         definition.
1163         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1164         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1165         target hook to detect function points.
1166         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1167         * icf.h (Icf::check_section_for_function_pointers): Change type of
1168         parameter SECTION_NAME to const reference to std::string.  Use
1169         target hook to determine if section may have unsafe pointers.
1170         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1171         method definition.
1173 2010-06-21  Rafael Espindola  <espindola@google.com>
1175         * fileread.cc (Input_file::find_fie): New
1176         (Input_file::open): Use Input_file::find_fie.
1177         * fileread.h (Input_file::find_fie): New
1178         * plugin.cc (set_extra_library_path): New.
1179         (Plugin::load): Add set_extra_library_path to the transfer vector.
1180         (Plugin_manager::set_extra_library_path): New.
1181         (Plugin_manager::add_input_file): Use the extra search path if set.
1182         (set_extra_library_path(): New.
1183         * plugin.h (Plugin_manager): Add set_extra_library_path and
1184         extra_search_path_.
1186 2010-06-19  Cary Coutant  <ccoutant@google.com>
1188         * layout.cc (gdb_sections): Add .debug_types.
1189         (lines_only_debug_sections): Likewise.
1191 2010-06-18  Rafael Espindola  <espindola@google.com>
1193         * plugin.cc (add_input_file,add_input_library)
1194         (Plugin_manager::add_input_file): Make filename arguments const.
1195         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1196         const.
1198 2010-06-16  Doug Kwan  <dougkwan@google.com>
1200         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1201         .ARM.attributes section if we have not merged any input
1202         attributes sections.
1204 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1206         * arm.cc: Allow combining objects with no EABI version
1207         information.
1209 2010-06-15  Rafael Espindola  <espindola@google.com>
1211         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1213 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1215         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1216         (struct iovec): Correct !HAVE_READV definition.
1218 2010-06-10  Cary Coutant  <ccoutant@google.com>
1220         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1221         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1222         reloc sections.
1223         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1225         PR 11683
1226         * symtab.h (Symbol::is_placeholder): New member function.
1227         * target-reloc.h (relocate_section): Check for placeholder symbols.
1229         * testsuite/Makefile.am (plugin_test_8): New test.
1230         (plugin_test_9): New test.
1231         * testsuite/Makefile.in: Regenerate.
1233 2010-06-09  Nick Clifton  <nickc@redhat.com>
1235         * yyscript.y (input_list_element): Allow strings prefixed with
1236         the '-' character.  Treat these as libraries.
1237         * script.cc (script_add_library): New function.  Adds a library
1238         specified by "-l<name>" found in an input script.
1239         * script-c.h: Add prototype for script_add_library.
1241 2010-06-07  Doug Kwan  <dougkwan@google.com>
1243         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1244         Restrict stub-group size to be within long conditional branch
1245         range when working around cortex-A8 erratum.
1247 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1249         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1250         #ifdef typo.
1252 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1254         PR gold/11658
1255         * output.cc
1256         (Output_section::Input_section_sort_entry::compare_section_ordering):
1257         Change to return non-zero correctly.
1258         (Output_section::Input_section_sort_section_order_index_compare
1259         ::operator()): Change to fix ambiguity in comparisons.
1261 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1263         * gold.h (is_wildcard_string): New function.
1264         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1265         (Layout::layout_eh_frame): Ditto.
1266         (Layout::find_section_order_index): New method.
1267         (Layout::read_layout_from_file): New method.
1268         * layout.h (Layout::find_section_order_index): New method.
1269         (Layout::read_layout_from_file): New method.
1270         (Layout::input_section_position_): New private member.
1271         (Layout::input_section_glob_): New private member.
1272         * main.cc (main): Call read_layout_from_file here.
1273         * options.h (--section-ordering-file): New option.
1274         * output.cc (Output_section::input_section_order_specified_): New
1275         member.
1276         (Output_section::Output_section): Initialize new member.
1277         (Output_section::add_input_section): Add new parameter.
1278         Keep input sections when --section-ordering-file is used.
1279         (Output_section::set_final_data_size): Sort input sections when
1280         section ordering file is specified.
1281         (Output_section::Input_section_sort_entry): Add new parameter.
1282         Check sorting type.
1283         (Output_section::Input_section_sort_entry::compare_section_ordering):
1284         New method.
1285         (Output_section::Input_section_sort_compare::operator()): Change to
1286         consider section_order_index.
1287         (Output_section::Input_section_sort_init_fini_compare::operator()):
1288         Change to consider section_order_index.
1289         (Output_section::Input_section_sort_section_order_index_compare
1290         ::operator()): New method.
1291         (Output_section::sort_attached_input_sections): Change to sort
1292         according to section order when specified.
1293         (Output_section::add_input_section<32, true>): Add new parameter.
1294         (Output_section::add_input_section<64, true>): Add new parameter.
1295         (Output_section::add_input_section<32, false>): Add new parameter.
1296         (Output_section::add_input_section<64, false>): Add new parameter.
1297         * output.h (Output_section::add_input_section): Add new parameter.
1298         (Output_section::input_section_order_specified): New
1299         method.
1300         (Output_section::set_input_section_order_specified): New method.
1301         (Input_section::Input_section): Initialize section_order_index_.
1302         (Input_section::section_order_index): New method.
1303         (Input_section::set_section_order_index): New method.
1304         (Input_section::section_order_index_): New member.
1305         (Input_section::Input_section_sort_section_order_index_compare): New
1306         struct.
1307         (Output_section::input_section_order_specified_): New member.
1308         * script-sections.cc (is_wildcard_string): Delete and move modified
1309         method to gold.h.
1310         (Output_section_element_input::Output_section_element_input): Modify
1311         call to is_wildcard_string.
1312         (Output_section_element_input::Input_section_pattern
1313         ::Input_section_pattern): Ditto.
1314         (Output_section_element_input::Output_section_element_input): Ditto.
1315         * testsuite/Makefile.am (final_layout): New test case.
1316         * testsuite/Makefile.in: Regenerate.
1317         * testsuite/final_layout.cc: New file.
1318         * testsuite/final_layout.sh: New file.
1320 2010-06-01  Rafael Espindola  <espindola@google.com>
1322         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1324 2010-06-01  Rafael Espindola  <espindola@google.com>
1326         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1327         visibility of symbols.
1329 2010-05-27  Doug Kwan  <dougkwan@google.com>
1331         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1332         from start of output section instead of address for a local symbol
1333         in a merged or relaxed section when doing a relocatable link.
1335 2010-05-26  Rafael Espindola  <espindola@google.com>
1337        PR 11604
1338         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1339         adding sections the garbage collector removed.
1340         * gold/testsuite/Makefile.am: Add test.
1341         * gold/testsuite/Makefile.in: Regenerate.
1342         * gold/testsuite/plugin_test_7.sh: New.
1343         * gold/testsuite/plugin_test_7_1.c: New.
1344         * gold/testsuite/plugin_test_7_2.c: New.
1346 2010-05-26  Rafael Espindola  <espindola@google.com>
1348         * script-sections.cc (Output_section_definition::set_section_addresses):
1349         Check for --section-start.
1351 2010-05-26  Doug Kwan  <dougkwan@google.com>
1353         * arm.cc (Arm_scan_relocatable_relocs): New class.
1354         (Target_arm::relocate_special_relocatable): New method.
1355         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1356         (Arm_relocate_functions::thumb_branch_common): Same.
1357         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1358         instead of Default_scan_relocatable_relocs.
1359         * target-reloc.h (relocate_for_relocatable): Let target handle
1360         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1361         * target.h (Sized_target::relocate_special_relocatable): New method.
1363 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1365         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1367 2010-05-23  Doug Kwan  <dougkwan@google.com>
1369         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1370         instead of a cast.
1371         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1372         with a direct branch, not a conditional branch, to a stub.
1373         * merge.cc (Output_merge_base::record_input_section): New method
1374         defintion.
1375         (Output_merge_data::do_add_input_section): Record input section if
1376         keeps-input-sections flag is set.
1377         (Output_merge_string::do_add_input_section): Ditto.
1378         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1379         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1380         INPUT_SECTIONS_.
1381         (Output_merge_base::keeps_input_sections,
1382         Output_merge_base::set_keeps_input_sections,
1383         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1384         method definitions.
1385         (Output_merge_base::Input_sections): New type declaration.
1386         (Output_merge_base::input_sections_begin,
1387         Output_merge_base::input_sections_end,
1388         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1389         (Output_merge_base::bool keeps_input_sections_,
1390         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1391         Output_merge_base::input_sections_): New data members.
1392         (Output_merge_data::do_set_keeps_input_sections): New method
1393         defintion.
1394         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1395         * output.cc (Output_section::Input_section::relobj): Move method
1396         defintion from class declaration to here and handle merge sections.
1397         (Output_section::Input_section::shndx): Ditto.
1398         (Output_section::Output_section): Remove initializations of removed
1399         data members and initialize new data member LOOKUP_MAPS_.
1400         (Output_section::add_input_section): Set keeps-input-sections flag
1401         for a newly created merge output section as appropriate.  Adjust code
1402         to use Output_section_lookup_maps class.
1403         (Output_section::add_relaxed_input_section): Adjst code for lookup
1404         maps code refactoring.
1405         (Output_section::add_merge_input_section): Add a new parameter
1406         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1407         class.  If adding input section to a newly created merge output
1408         section fails, remove the new merge section.
1409         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1410         Adjust code for use of the Output_section_lookup_maps class.
1411         (Output_section::find_merge_section): Ditto.
1412         (Output_section::build_lookup_maps): New method defintion.
1413         (Output_section::find_relaxed_input_section): Adjust code to use
1414         Output_section_lookup_maps class.
1415         (Output_section::get_input_sections): Export merge sections.  Adjust
1416         code to use Output_section_lookup_maps class.
1417         (Output_section:::add_script_input_section): Adjust code to use
1418         Output_section_lookup_maps class.  Update lookup maps for merge
1419         sections also.
1420         (Output_section::discard_states): Use Output_section_lookup_maps.
1421         (Output_section::restore_states): Same.
1422         * output.h (Merge_section_properties): Move class defintion out of
1423         Output_section.
1424         (Output_section_lookup_maps): New class.
1425         (Output_section::Input_section::is_merge_section): New method
1426         defintion.
1427         (Output_section::Input_section::relobj): Move defintion out of class
1428         defintion.  Declare method only.
1429         (Output_section::Input_section::shndx): Ditto.
1430         (Output_section::Input_section::output_merge_base): New method defintion.
1431         (Output_section::Input_section::u2_.pomb): New union field.
1432         (Output_section::Merge_section_by_properties_map,
1433         Output_section::Output_section_data_by_input_section_map,
1434         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1435         Remove types.
1436         (Output_section::add_merge_input_section): Add new parameter
1437         KEEPS_INPUT_SECTIONS.
1438         (Output_section::build_lookup_maps): New method declaration.
1439         (Output_section::merge_section_map_,
1440         Output_section::merge_section_by_properties_map_,
1441         Output_section::relaxed_input_section_map_,
1442         Output_section::is_relaxed_input_section_map_valid_): Remove data
1443         members.
1444         (Output_section::lookup_maps_): New data member.
1446 2010-05-21  Doug Kwan  <dougkwan@google.com>
1448         PR gold/11619
1449         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1450         avoid a compilation error.
1452 2010-05-19  Rafael Espindola  <espindola@google.com>
1454         * script-sections.cc (Output_section_definition::allocate_to_segment):
1455         Update the phdrs_list even when the output section is NULL.
1456         * testsuite/Makefile.am: Add test.
1457         * testsuite/Makefile.in: Regenerate.
1458         * testsuite/script_test_9.cc: New.
1459         * testsuite/script_test_9.sh: New.
1460         * testsuite/script_test_9.t: New.
1462 2010-05-19  Doug Kwan  <dougkwan@google.com>
1464         * arm.cc (Arm_input_section::original_size): New method.
1465         (Arm_input_section::do_addralign): Add a cast.
1466         (Arm_input_section::do_output_offset): Remove static cast.
1467         (Arm_input_section::original_addralign,
1468          Arm_input_section::original_size_): Change type to uint32_t.
1469         (Arm_input_section::init): Add safe casts for section alignment
1470         and size.
1471         (Arm_input_section::set_final_data_size): Do not set address and
1472         offset of stub table.
1473         (Arm_output_section::fix_exidx_coverage): Change use of of
1474         Output_section::Simple_input_section to that of
1475         Output_section::Input_section.
1476         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1477         except for the first pass.
1478         * output.cc (Output_section::get_input_sections): Change type of
1479         input_sections to std::list<Input_section>.
1480         (Output_section::add_script_input_section): Rename from
1481         Output_section::add_simple_input_section.  Change type of SIS
1482         parameter from Simple_input_section to Input_section.
1483         * output.h (Output_section::Simple_input_section): Remove class.
1484         (Output_section::Input_section): Change class visibility to public.
1485         (Output_section::Input_section::addralign): Use stored alignments
1486         for special input sections if set.
1487         (Output_section::Input_section::set_addralign): New method.
1488         (Output_section::get_input_sections): Change parameter type from
1489         list of Simple_input_section to list of Input_section.
1490         (Output_section::add_script_input_section): Rename from
1491         Output_section::add_simple_input_section. Change first parameter's
1492         type from Simple_input_section to Input_section and remove the
1493         second and third parameters.
1494         * script-sections.cc (Input_section::Input_section_list): Change
1495         type to list of Output_section::Input_section/
1496         (Input_section_info::Input_section_info): Change parameter type of
1497         INPUT_SECTION to Output_section::Input_section.
1498         (Input_section_info::input_section): Change return type.
1499         (Input_section_info::input_section_): Change type to
1500         Output_section::Input_section.
1501         (Output_section_element_input::set_section_addresses): Adjust code
1502         to use Output_section::Input_section instead of
1503         Output_section::Simple_input_section.  Adjust code for renaming
1504         of Output_section::add_simple_input_section.
1505         (Orphan_output_section::set_section_addresses): Ditto.
1507 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1509         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1510         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1512 2010-05-18  Rafael Espindola  <espindola@google.com>
1514         * options.cc (General_options::finalize): Handle -nostdlib.
1515         * options.h (nostdlib): New option.
1516         * script.cc (script_add_search_dir): Handle -nostdlib.
1518 2010-05-12  Doug Kwan  <dougkwan@google.com>
1520         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1521         attributes section only if there no attributes section after merging.
1522         (Target_arm::merge_object_attributes): Move value of
1523         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1524         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1525         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1526         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1527         and arm_attr_merge_7.stdout.
1528         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1529         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1530         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1531         arm_attr_merge_7b.o): New rules.
1532         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1533         arm_attr_merge_7
1534         * testsuite/Makefile.in: Regenerate.
1535         * testsuite/arm_attr_merge.sh: New file.
1536         * testsuite/arm_attr_merge_[67][ab].s: Same.
1538 2010-05-05  Nick Clifton  <nickc@redhat.com>
1540         * po/es.po: Updated Spanish translation.
1542 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1544         * Makefile.am (install-exec-local): Properly install gold as
1545         default cross linker.
1546         * Makefile.in: Regenerated.
1548 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1549             Nick Clifton  <nickc@redhat.com>
1551         * configure.ac (install_as_default): Define and set to false
1552         unless --enable-gold or --enable-gold=both/gold has been
1553         specified.
1554         * configure: Regenerate.
1556         * Makefile.am (install-exec-local): Install the executable as
1557         'ld.gold'.  If install_as_default is true then also install it as
1558         'ld'.
1559         * Makefile.in: Regenerated.
1561 2010-04-24  Ian Lance Taylor  <iant@google.com>
1563         * layout.cc (Layout::layout_reloc): In relocatable link don't
1564         combine reloc sections for grouped sections.
1566 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
1568         * gc.h (gc_process_relocs): Pass information on relocs pointing to
1569         sections that are not ordinary to icf.
1570         * icf.cc (get_section_contents): Handle relocation pointing to section
1571         with no object or shndx information.
1572         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
1573         * testsuite/Makefile.in: Regenerate.
1574         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
1575         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
1577 2010-04-22  Ian Lance Taylor  <iant@google.com>
1579         * expression.cc (Expression::Expression_eval_info): Add
1580         result_alignment_pointer field.
1581         (Expression::eval_with_dot): Add result_alignment_pointer
1582         parameter.  Change all callers.
1583         (Expression::eval_maybe_dot): Likewise.
1584         (class Binary_expression): Add alignment_pointer parameter to
1585         left_value and right_value.  Change all callers.
1586         (BINARY_EXPRESSION): Set result alignment.
1587         (class Trinary_expression): Add alignment_pointer parameter to
1588         arg2_value and arg3_value.  Change all callers.
1589         (Trinary_cond::value): Set result alignment.
1590         (Max_expression::value, Min_expression::value): Likewise.
1591         (Align_expression::value): Likewise.
1592         * script-sections.cc (class Sections_element): Add dot_alignment
1593         parameter to set_section_addresses virtual function.  Update
1594         instantiations.
1595         (class Output_section_element): Likewise.
1596         (Script_sections::create_segments): Add dot_alignment parameter.
1597         Change all callers.
1598         (Script_sections::create_segments_from_phdrs_clause): Likewise.
1599         (Script_sections::set_phdrs_clause_addresses): Likewise.
1600         * script-sections.h: Update declarations.
1601         * script.h: Update declarations.
1602         * output.h (Output_segment::set_minimum_p_align): Don't decrease
1603         min_p_align.
1604         * testsuite/script_test_3.t: Set large alignment.
1605         * testsuite/script_test_3.sh: Make sure that at least one LOAD
1606         segment has expected alignment.
1608 2010-04-22  Nick Clifton  <nickc@redhat.com>
1610         * po/gold.pot: Updated by the Translation project.
1611         * po/vi.po: Updated Vietnamese translation.
1613 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
1615         * testsuite/Makefile.am (check_PROGRAMS): Add
1616         icf_virtual_function_folding_test.
1617         * testsuite/Makefile.in: Regenerated.
1619 2010-04-15  Andrew Haley  <aph@redhat.com>
1621         * options.h (merge_exidx_entries): New option.
1622         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
1623         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
1624         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
1625         (Target_arm::merge_exidx_entries): New function.
1626         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
1627         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
1628         to Arm_exidx_fixup constructor.
1629         Add new arg, merge_exidx_entries.
1630         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
1631         Arm_output_section::fix_exidx_coverage.
1633 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
1635         * icf.cc (get_section_contents): Check for preemptible functions.
1636         Ignore addend when appropriate.
1637         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
1638         section folded.
1639         (add_from_relobj): Check for section folded.
1640         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
1641         * symtab.h (should_add_dynsym_entry): Add new parameter.
1642         * target-reloc.h (scan_relocs): Check for section folded.
1643         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
1644         Check reloc types for function pointers in shared objects.
1645         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
1646         case.
1647         (icf_preemptible_functions_test): New test case.
1648         (icf_string_merge_test): New test case.
1649         * testsuite.Makefile.in: Regenerate.
1650         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
1651         bar_glob.  Refactor code.
1652         * testsuite/icf_preemptible_functions_test.cc: New file.
1653         * testsuite/icf_preemptible_functions_test.sh: New file.
1654         * testsuite/icf_string_merge_test.cc: New file.
1655         * testsuite/icf_string_merge_test.sh: New file.
1656         * testsuite/icf_virtual_function_folding_test.cc: New file.
1657         * testsuite/icf_virtual_function_folding_test.sh: New file.
1659 2010-04-14  Doug Kwan  <dougkwan@google.com>
1661         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
1662         for local symbol recounting if we remove a section due to ICF.
1663         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
1664         there are no regular objects in input.
1666 2010-04-13  Doug Kwan  <dougkwan@google.com>
1668         * arm.cc (Arm_input_section::set_final_data_size): Compute
1669         accurate final data size instead of using current data size.
1671 2010-04-09  Doug Kwan  <dougkwan@google.com>
1673         * layout.cc (Layout::choose_output_section): Handle script section
1674         types.
1675         (Layout::make_output_section_for_script): Add section type parameter.
1676         Handle script section types.
1677         * layout.h (Layout::make_output_section_for_script): Add section
1678         type parameter.
1679         * output.cc (Output_section::Output_section): Initialize data member
1680         is_noload_.
1681         (Output_section::do_reset_address_and_file_offset): Do not set address
1682         to 0 if section is a NOLOAD section.
1683         * output.h (Output_section::is_noload): New method.
1684         (Output_section::set_is_noload): Ditto.
1685         (Output_section::is_noload_): New data member.
1686         * script-c.h (Script_section_type): New enum type.
1687         (struct Parser_output_section_header): Add new file section_type.
1688         * script-sections.cc (Sections_element::output_section_name): Add
1689         parameter for returning script section type.
1690         (Output_section_definition::output_section_name): Ditto.
1691         (Output_section_definition::section_type)P; New method.
1692         (Output_section_definiton::script_section_type_name): Ditto.
1693         (Output_section_definition::script_section_type_): New data member.
1694         (Output_section_definition::Output_section_definition): Initialize
1695         data member Output_section_definition::script_section_type_.
1696         (Output_section_definition::create_sections): Pass script section type
1697         to Layout::make_output_section_for_script.
1698         (Output_section_definition::output_section_name): Return script
1699         section type to caller.
1700         (Output_section_definition::set_section_address): Do not advance
1701         dot value and load address if section type is NOLOAD.  Set address
1702         of NOLOAD sections regardless of section flags.
1703         (Output_section_definition::print): Print section type if it is
1704         not SCRIPT_SECTION_TYPE_NONE.
1705         (Output_section_definition::section_type): New method.
1706         (Output_section_definition::script_section_type_name): Ditto.
1707         (Script_sections::output_section_name): Add new parameter
1708         PSECTION_TYPE for returning script section type.  Pass it to
1709         section elements.  Handle discard sections.
1710         (Sort_output_sections::operator()): Handle NOLOAD sections.
1711         * script-sections.h (Script_sections::Section_type): New enum type.
1712         (Script_sections::output_section_name): Add a new parameter for
1713         returning script section type.
1714         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
1715         INFO and NOLOAD.
1716         * yyscript.y (union): Add new field SECTION_TYPE.
1717         (COPY, DSECT, INFO, NOLOAD): New tokens.
1718         (opt_address_and_section_type): Change type to output_section_header.
1719         (section_type): New non-terminal
1720         (section_header): Handle section type.
1721         (opt_address_and_section_type): Return section type value.
1723 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1725         * testsuite/plugin_common_test_1.c (foo): Add prototype.
1726         * testsuite/plugin_common_test_2.c (foo): Likewise.
1728 2010-04-08  Doug Kwan  <dougkwan@google.com>
1730         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
1731         Output_merge_data.
1732         * output.cc (Output_section::add_merge_input_section): Simplify
1733         code and return status of Output_merge_base::add_input_section.
1734         Update merge section map only if Output_merge_base::add_input_section
1735         returns true.
1737 2010-04-07  Doug Kwan  <dougkwan@google.com>
1739         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
1740         if section is marked as containing instructions but has no mapping
1741         symbols.
1742         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
1743         correct section index.
1744         (Arm_relobj::find_linked_text_section): Ditto.
1746 2010-04-07  Cary Coutant  <ccoutant@google.com>
1748         * archive.cc (include_member): Destroy Read_symbols_data object before
1749         releasing file.
1750         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
1751         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
1752         (Read_symbols_data::~Read_symbols_data) New destructor.
1753         (Section_relocs::Section_relocs) New constructor.
1754         (Section_relocs::~Section_relocs) New destructor.
1755         (Read_relocs_data::Read_relocs_data) New constructor.
1756         (Read_relocs_data::~Read_relocs_data) New destructor.
1757         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
1758         pointers to NULL after deleting.
1760 2010-04-07  Doug Kwan  <dougkwan@google.com>
1762         * arm.cc: Replace "endianity" with "endianness" in comments.
1763         (Arm_exidx_cantunwind): Ditto.
1764         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
1765         (Arm_relobj::merge_flags_and_attributes): New method.
1766         (Arm_relobj::merge_flags_and_attributes_): New data member.
1767         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
1768         (Arm_relobj::scan_sections_for_stubs): Ditto.
1769         (Arm_relobj::do_read_symbols): Check to see if we really want to
1770         merge processor-specific flags and attributes.  Exit early if
1771         an object is empty except for section names and the undefined symbol.
1772         (Target_arm::do_finalize_sections): Move check for ELF format to
1773         Arm_relobj::do_read_symbols.  Merge processor specific flags and
1774         attributes from a regular object only when we have determined that
1775         it is aapropriate.  Do not create an .ARM.attributes section in
1776         output if there is no regular input object.
1777         (Target_arm::merge_processor_specific_flags): Check
1778         --warn-mismatch before printing any error.
1779         (Target_arm::merge_object_attributes): Ditto.
1780         * gold.cc (queue_middle_tasks): Handle the case in which there is
1781         no regular object in input.
1782         * options.cc (General_options::parse_EB): New method.
1783         (General_options::parse_EL): Same.
1784         (General_options::General_options): Initialize endianness_.
1785         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
1786         New options.
1787         (General_options::Endianness): New enum.
1788         (General_options::endianness): New method.
1789         (General_options::endianness_): New data member.
1790         * parameters.cc (Parameters::set_options): Check target endianness.
1791         (Parameters::set_target_once): Ditto.
1792         (Parameters::check_target_endianness): New method.
1793         (parameters_force_valid_target): If either -EL or -EB is specified,
1794         use it to define endianness of default target.
1795         * parameters.h (Parameters::check_target_endianness): New method
1796         declaration.
1797         * target.h (class Target): Change "endianity" to "endianness"
1798         in comments.
1800 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1802         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
1803         * configure: Regenerate.
1804         * Makefile.in: Regenerate.
1805         * testsuite/Makefile.in: Regenerate.
1807 2010-04-06  Cary Coutant  <ccoutant@google.com>
1809         gcc PR lto/42757
1810         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
1811         prevailing definitions of common symbols.
1812         * testsuite/plugin_test_6.sh: New test case.
1813         * testsuite/plugin_common_test_1.c: New test case.
1814         * testsuite/plugin_common_test_2.c: New test case.
1815         * testsuite/Makefile.am (plugin_test_6): New test case.
1816         * testsuite/Makefile.in: Regenerate.
1818 2010-04-06  Nick Clifton  <nickc@redhat.com>
1820         * po/vi.po: New Vietnamese translation.
1822 2010-03-30  Doug Kwan  <dougkwan@google.com>
1824         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
1826 2010-03-25  Doug Kwan  <dougkwan@google.com>
1828         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
1829         to avoid a conversion warning on a 32-bit host.
1831 2010-03-24  Ian Lance Taylor  <iant@google.com>
1833         * testsuite/script_test_3.t: Add a TLS segment.
1834         * testsuite/Makefile.am (check_PROGRAMS): Add
1835         tls_phdrs_script_test.
1836         (tls_phdrs_script_test_SOURCES): Define.
1837         (tls_phdrs_script_test_DEPENDENCIES): Define.
1838         (tls_phdrs_script_test_LDFLAGS): Define.
1839         (tls_phdrs_script_test_LDADD): Define.
1840         * testsuite/Makefile.in: Rebuild.
1842 2010-03-23  Cary Coutant  <ccoutant@google.com>
1844         * fileread.cc (find_or_make_view): Fix comment.
1846 2010-03-23  Ian Lance Taylor  <iant@google.com>
1848         * script-sections.cc (class Orphan_section_placement): Define
1849         PLACE_TLS and PLACE_TLS_BSS.
1850         (Orphan_section_placement::Orphan_section_placement): Initialize
1851         new places.
1852         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
1853         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
1854         (tls_script_test_SOURCES): Define.
1855         (tls_script_test_DEPENDENCIES): Define.
1856         (tls_script_test_LDFLAGS): Define.
1857         (tls_script_test_LDADD): Define.
1858         * testsuite/Makefile.in: Rebuild.
1860 2010-03-22  Doug Kwan  <dougkwan@google.com>
1862         * arm.cc (Arm_relocate_functions::abs8,
1863         Arm_relocate_functions::abs16): Use correct check for overflow
1864         specified in the ARM ELF specs.
1865         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
1866         target of a BLX instruction specially.
1867         (Reloc_stub::stub_type_for_reloc): Ditto.
1868         (Relocate::relocate): Use symbolic names instead of numeric relocation
1869         codes to report error.
1870         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
1871         workaround.
1872         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
1873         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
1874         thumb2_blx_out_of_range.stdout
1875         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
1876         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
1877         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
1878         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
1879         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
1880         thumb2_blx_in_range, thumb2_blx_in_range.o,
1881         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
1882         thumb2_blx_out_of_range.o): New rules.
1883         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
1884         thumb2_blx_in_range and thumb2_blx_out_of_range.
1885         * testsuite/Makefile.in: Regenerate.
1886         * arm_branch_in_range.sh: Add tests for THUMB BLX.
1887         * testsuite/thumb_blx_in_range.s: New file.
1888         * testsuite/thumb_blx_out_of_range.s: New file.
1890 2010-03-22  Rafael Espindola  <espindola@google.com>
1892         * archive.cc (Should_include): Move to archive.h.
1893         (should_include_member): Make it a member of Archive.
1894         (Lib_group): New.
1895         (Add_lib_group_symbols): New.
1896         * archive.h: Include options.h.
1897         (Archive_member): Moved from Archive.
1898         (Should_include): Moved from archive.cc.
1899         (Lib_group): New.
1900         (Add_lib_group_symbols): New.
1901         * dynobj.cc (do_should_include_member): New.
1902         * dynobj.h (do_should_include_member): New.
1903         * gold.cc (queue_initial_tasks): Update call to queue.
1904         * main.cc (main): Print lib group stats.
1905         * object.cc (do_should_include_member): New.
1906         * object.h: Include archive.h.
1907         (Object::should_include_member): New.
1908         (Object::do_should_include_member): New.
1909         (Sized_relobj::do_should_include_member): New.
1910         * options.cc (General_options::parse_start_lib): New.
1911         (General_options::parse_end_lib): New.
1912         (Input_arguments::add_file): Handle lib groups.
1913         (Input_arguments::start_group): Check we are not in a lib.
1914         (Input_arguments::start_lib): New.
1915         (Input_arguments::end_lib): New.
1916         * options.h (General_options): Add start_lib and end_lib.
1917         (Input_argument::lib_): New.
1918         (Input_argument::lib): New.
1919         (Input_argument::is_lib): New.
1920         (Input_file_lib): New.
1921         (Input_arguments::in_lib_): New.
1922         (Input_arguments::in_lib): New.
1923         (Input_arguments::start_lib): New.
1924         (Input_arguments::end_lib_): New.
1925         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
1926         in unused members as preempted.
1927         (Sized_pluginobj::do_should_include_member): New.
1928         * plugin.h (Sized_pluginobj::do_should_include_member): New.
1929         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
1930         return the blocker.
1931         (Read_symbols::do_whole_lib_group): New.
1932         (Read_symbols::do_lib_group): New.
1933         (Read_symbols::do_read_symbols): Handle lib groups.
1934         (Read_symbols::get_name): Handle lib groups.
1935         * readsyms.h (Read_symbols): Add an archive member pointer.
1936         (Read_symbols::do_whole_lib_group): New.
1937         (Read_symbols::do_lib_group): New.
1938         (Read_symbols::member_): New.
1939         * script.cc (read_input_script): Update call to queue_soon.
1941 2010-03-19  Doug Kwan  <dougkwan@google.com>
1943         * arm.cc (Stub_table::Stub_table): Initialize new data members
1944         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1945         (Stub_table::add_reloc_stub): Assign stub offset and update
1946         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1947         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
1948         New data members.
1949         (Stub_table::update_data_size_and_addralign): Use
1950         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
1951         instead of going over all reloc stubs.
1952         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
1953         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1954         Stringpool_template::offset_ to size of Stringpool_char.
1955         (Stringpool_template::new_key_offset): Remove code to initialize
1956         Stringpool_template::offset_.
1957         * stringpool.h (Stringpool_template::set_no_zero_null): Set
1958         Stringpool_template::offset_ to zero.
1960 2010-03-15  Doug Kwan  <dougkwan@google.com>
1962         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1963         offset_.
1964         (Stringpool_template::new_key_offset): New method.
1965         (Stringpool_template::add_string): Assign offsets when adding new
1966         strings.
1967         (Stringpool_template::set_string_offsets): Do not set string offsets
1968         when not optimizing.
1969         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
1970         member size_.
1971         (Chunked_vector::clear): Clear size_.
1972         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
1973         (Chunked_vector::size): Return size_.
1974         (Chunked_vector::push_back): Use size_ to find insert position.
1975         (Chunked_vector::size_): New data member.
1976         (Stringpool_template::set_no_zero_null): Assert string set is empty.
1977         (Stringpool_template::new_key_offset): New method declaration.
1978         (Stringpool_template::offset_): New data member.
1980 2010-03-15   Rafael Espindola  <espindola@google.com>
1982         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
1983         Add_symbols' constructor.
1984         * readsyms.h (Add_symbols): Remove the input_group member.
1986 2010-03-10  Ian Lance Taylor  <iant@google.com>
1988         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
1989         target to ask whether a reference to a symbol requires a stack
1990         split.
1991         * target.h (Target::is_call_to_non_split): New function.
1992         (Target::do_is_call_to_non_split): Declare virtual function.
1993         * target.cc: Include "symtab.h".
1994         (Target::do_is_call_to_non_split): New function.
1995         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
1997 2010-03-10  Cary Coutant  <ccoutant@google.com>
1999         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
2000         (File_read::open[1]): Remove initial mapping of whole_file_view_.
2001         (File_read::open[2]): Add whole_file_view_ to list of views.
2002         (File_read::make_view): Remove test of whole_file_view_.
2003         (File_read::find_or_make_view): Create whole_file_view_ if
2004         necessary.
2005         (File_read::clear_views): Replace bool parameter with enum;
2006         adjust all callers.  Don't delete views with permanent data;
2007         do delete cached views and views from archives if
2008         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
2009         if clearing the corresponding view.
2010         * fileread.h (File_read::Clear_views_mode): New enum.
2011         (File_read::View::is_permanent_view): New method.
2012         (File_read::clear_views): Replace bool parameter
2013         with enum; adjust all callers.
2014         * options.h (General_options): Change keep_files_mapped option;
2015         add map_whole_files.
2016         * readsyms.cc (Add_symbols::run): Delete sd_ object before
2017         releasing the file.
2018         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
2019         the file.
2021 2010-03-10  David S. Miller  <davem@davemloft.net>
2023         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
2025 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
2027         * icf.cc (get_section_contents): Add '@' marker after processing the
2028         merge reloc.
2030 2010-03-08  Doug Kwan  <dougkwan@google.com>
2032         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
2033         due to a conversion warning.
2034         (Arm_relobj::update_output_local_symbol_count): Check for local
2035         symbol with unset output index.
2037 2010-03-05  Ian Lance Taylor  <iant@google.com>
2039         * options.h (class General_options): Add --spare-dynamic-tags.
2040         * output.cc (Output_data_dynamic::set_final_data_size): Implement
2041         --spare-dynamic-tags.
2043 2010-03-05  Ian Lance Taylor  <iant@google.com>
2045         * incremental.cc: Include "libiberty.h".
2047 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2049         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2050         function, is_info_ member.
2051         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2052         (Versions::Versions): Update caller.
2053         (Versions::define_base_version): Likewise.
2054         (Versions::add_def): Likewise.
2056 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2058         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2059         (Scan::possible_function_pointer_reloc): New function.
2060         (Scan::local_reloc_may_be_function_pointer): Change to call
2061         possible_function_pointer_reloc.
2062         (Scan::global_reloc_may_be_function_pointer): Ditto.
2063         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2064         relocations in ".data.rel.ro._ZTV" section.
2065         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2066         * testsuite/icf_safe_so_test.cc: Ditto.
2067         * testsuite/icf_safe_test.cc: Ditto.
2068         * testsuite/icf_safe_test.sh: Ditto.
2070 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2071             Ian Lance Taylor  <iant@google.com>
2073         * target-reloc.h (relocate_section): Check the symbol table index
2074         for -1U before setting the local symbol index.
2075         (scan_relocatable_relocs): If copying the relocation, record that
2076         the local symbol is required.
2077         * object.h (Symbol_value::is_output_symtab_index_set): New
2078         function.
2079         (Symbol_value::may_be_discarded_from_output_symtab): New
2080         function.
2081         (Symbol_value::has_output_symtab_entry): New function.
2082         (Symbol_value::needs_output_symtab_entry): Remove.
2083         (Symbol_value::output_symtab_index): Make sure the symbol index is
2084         set.
2085         (Symbol_value::set_output_symtab_index): Make sure the symbol
2086         index is not set.  Make sure the new index is valid.
2087         (Symbol_value::set_must_have_output_symtab_entry): New function.
2088         (Symbol_value::has_output_dynsym_entry): New function.
2089         (Symbol_value::set_output_dynsym_index): Make sure the new index
2090         is valid.
2091         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2092         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2093         local symbol if permitted.
2094         (Sized_relobj::do_finalize_local_symbols): Call
2095         is_output_symtab_index_set rather than needs_output_symtab_entry.
2096         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2097         rather than needs_output_symtab_entry.  Call
2098         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2099         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2100         is_output_symtab_index_set rather than needs_output_symtab_entry.
2101         * testsuite/discard_locals_relocatable_test.c: New file.
2102         * testsuite/discard_locals_test.sh: Test -r.
2103         * testsuite/Makefile.am (check_DATA): Add
2104         discard_locals_relocatable_test1.syms,
2105         discard_local_relocatable_test2.syms.
2106         (MOSTLYCLEANFILES): Likewise.  Also add
2107         discard_locals_relocatable_test1.lout and
2108         discard_locals_relocatable_test2.out.
2109         (discard_locals_relocatable_test1.syms): New target.
2110         (discard_locals_relocatable_test.o): New target.
2111         (discard_locals_relocatable_test1.out): New target.
2112         (discard_locals_relocatable_test2.syms): New target.
2113         (discard_locals_relocatable_test2.out): New target.
2114         (various): Add missing ../ld-new dependencies.
2115         * testsuite/Makefile.in: Rebuild.
2117 2010-03-03  Nick Clifton  <nickc@redhat.com>
2119         * po/fi.po: New Finnish translation.
2121 2010-03-01  Doug Kwan  <dougkwan@google.com>
2123         * layout.cc (Layout::Layout): Force section types of .init_array*,
2124         .preinit_array* and .fini_array* sections.
2125         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2126         Fix check of return value of std::string::find.().
2127         (Output_section::Input_section_sort_compare::operator()): Remove
2128         comment about .init_array.
2129         (Output_section::Input_section_sort_init_fini_compare::operator()):
2130         New method.
2131         (Output_section::sort_attached_input_sections): Handle .init_array
2132         and .fini_array specially.
2133         * output.h (Output_section::Inut_section_sort_compare): Update
2134         comment.
2135         (Output_section::Input_section_sort_init_fini_compare): New struct.
2137 2010-02-26  Doug Kwan  <dougkwan@google.com>
2139         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2140         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2141         * testsuite/debug_msg.sh: Avoid matching source line number for
2142         use of global variable undef_int.
2144 2010-02-26  Doug Kwan  <dougkwan@google.com>
2146         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2147         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2148         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2149         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2150         * options.cc (General_options::General_options): Initialize member
2151         fix_v4bx_.
2152         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2153         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2154         and rm_no_fix_v4bx.stdout
2155         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2156         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2157         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2158         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2159         and arm_no_fix_v4bx.
2160         * Makefile.in: Regenerate.
2161         * testsuite/arm_fix_v4bx.s: New file.
2162         * testsuite/arm_fix_v4bx.sh: Ditto.
2164 2010-02-24  Doug Kwan  <dougkwan@google.com>
2166         * arm.cc (Target_arm::got_section): Make the .got section the first
2167         non RELRO section in the data segment.
2168         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2169         suffixes of section names.
2171 2010-02-24  Doug Kwan  <dougkwan@google.com>
2173         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2174         flags and attributes merging if an input file is a binary file.
2175         * fileread.cc (Input_file::open): Record format of original file.
2176         * fileread.h (Input_file::Format): New enum type.
2177         (Input_file::Input_file): Initialize data member format_.
2178         (Input_file::format): New method definition.
2179         (Input_file::format_):: New data member.
2181 2010-02-24  Doug Kwan  <dougkwan@google.com>
2183         * arm.cc (Arm_output_data_got): New class.
2184         (ARM_TCB_SIZE): New constant
2185         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2186         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2187         If user uses a script with a SECTIONS clause, issue only a warning
2188         for a misplaced EXIDX input section.  Otherwise, issue an error.
2189         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2190         garbage collection.
2191         (Target_arm::got_mode_index_entry): Handle static linking.
2192         (Target_arm::Scan::local): Ditto.
2193         (Target_arm::Scan::global): Ditto.
2194         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2195         all incorrectly implemented relocations.
2196         (Target_arm::fix_exidx_coverage): Pass layout to
2197         Arm_output_section::fix_exidx_coverage.
2198         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2199         from ".ARM.exidx." and ".ARM.extab.".
2201 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2203         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2204         section if it does not already exist.
2205         * attributes.cc (Attributes_section_data::Attributes_section_data):
2206         Don't crash if size is zero.
2208 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2209             Ian Lance Taylor  <iant@google.com>
2211         * gold.cc (queue_middle_tasks): If no input files were opened,
2212         exit.
2213         * workqueue.h (Task_function::Task_function): Assert that there is
2214         a blocker.
2216 2010-02-22  Doug Kwan  <dougkwan@google.com>
2218         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2219         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2220         types to avoid warnings due to different uint64_t implementations
2221         on different hosts.
2223 2010-02-21  Doug Kwan  <dougkwan@google.com>
2225         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2226         handling of the maximum backward branch offset.
2227         (Arm_relocate_functions::thumb_branch_common): Ditto.
2228         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2229         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2230         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2231         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2232         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2233         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2234         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2235         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2236         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2237         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2238         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2239         thumb2_bl_out_of_range.o): New rules.
2240         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2241         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2242         thumb2_bl_out_of_range
2243         * testsuite/Makefile.in: Regenerate.
2244         * testsuite/arm_bl_in_range.s: New file.
2245         * testsuite/arm_bl_out_of_range.s: Ditto.
2246         * testsuite/arm_branch_in_range.sh: Ditto.
2247         * testsuite/arm_branch_range.t: Ditto.
2248         * testsuite/thumb2_branch_range.t: Ditto.
2249         * testsuite/thumb_bl_in_range.s: Ditto.
2250         * testsuite/thumb_bl_out_of_range.s: Ditto.
2251         * testsuite/thumb_branch_range.t: Ditto.
2253 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2255         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2256         Add reloc offset information.
2257         * icf.cc (get_section_contents): Change iterators to point to the new
2258         vectors. Add reloc offset information to the contents.
2259         * icf.h (Icf::Sections_reachable_info): New typedef.
2260         (Icf::Sections_reachable_list): New typedef.
2261         (Icf::Offset_info): New typedef.
2262         (Icf::Reloc_info): New struct typedef.
2263         (Icf::Reloc_info_list): New typedef.
2264         (Icf::symbol_reloc_list): Delete method.
2265         (Icf::addend_reloc_list): Delete method.
2266         (Icf::section_reloc_list): Delete method.
2267         (Icf::reloc_info_list): New method.
2268         (Icf::reloc_info_list_): New member.
2270 2010-02-19  Doug Kwan  <dougkwan@google.com>
2272         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2273         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2274         * arm.cc (Arm_relocation_functions): New forward declaration.
2275         (Target_arm::Target_arm): Initialize new data members
2276         got_mod_index_offset_ and tls_base_symbol_defined_.
2277         (Target_arm::Relocate::relocate_tls): New method.
2278         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2279          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2280         New methods.
2281         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2282         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2283         (Target_arm::got_mod_index_offset_,
2284         Target_arm::tls_base_symbol_defined_): New data members.
2285         (Target_arm::Scan::local, Target::Scan::global,
2286         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2287         relocations.
2289 2010-02-18  Doug Kwan  <dougkwan@google.com>
2291         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2292         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2293         text section as a parameter becuase some broken tools may not set
2294         the link in section header.
2295         (Target_arm::has_got_section): New method.
2296         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2297         without any mapping symbol as data only.  Remove warning.
2298         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2299         link in its section header, try to discover the link by inspecting the
2300         REL31 relocation at the beginning of the section.
2301         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2302         in error message.
2303         (Target_arm::Scan::global): Treat any reference to the symbol
2304         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2306 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2308         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2309         (Scan::global_reloc_may_be_function_pointer): New function.
2310         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2311         (Scan::global_reloc_may_be_function_pointer): New function.
2312         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2313         (Scan::global_reloc_may_be_function_pointer): New function.
2314         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2315         (Scan::global_reloc_may_be_function_pointer): New function.
2316         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2317         (Scan::global_reloc_may_be_function_pointer): New function.
2318         (Scan::possible_function_pointer_reloc): New function.
2319         (Target_x86_64::can_check_for_function_pointers): New function.
2320         * gc.h (gc_process_relocs): Scan relocation types to determine if
2321         function pointers were taken for targets that support it.
2322         * icf.cc (Icf::find_identical_sections): Include functions for
2323         folding in safe ICF whose pointer is not taken.
2324         * icf.h (Secn_fptr_taken_set): New typedef.
2325         (fptr_section_id_): New member.
2326         (section_has_function_pointers): New function.
2327         (set_section_has_function_pointers): New function.
2328         (check_section_for_function_pointers): New function.
2329         * options.h: Fix comment for safe ICF option.
2330         * target.h (can_check_for_function_pointers): New function.
2331         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2332         Modify icf_safe_test for X86-64.
2333         * testsuite/Makefile.in: Regenerate.
2334         * testsuite/icf_safe_so_test.cc: New file.
2335         * testsuite/icf_safe_so_test.sh: New file.
2336         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2337         (main): Change to take pointer to function kept_func_3.
2338         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2339         folding is done correctly for X86-64.
2341 2010-02-12  David S. Miller  <davem@davemloft.net>
2343         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2344         is_symbolless parameter.
2345         (Output_reloc<SHT_REL>::is_symbolless): New.
2346         (Output_reloc<SHT_REL>::is_symbolless_): New.
2347         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2348         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2349         (Output_reloc<SHT_RELA>::is_symbolless): New.
2350         (Output_data_reloc::add_global): Handle is_symbolless.
2351         (Output_data_reloc::add_global_relative): Likewise.
2352         (Output_data_reloc::add_local): Likewise.
2353         (Output_data_reloc::add_local_relative): Likewise.
2354         (Output_data_reloc::add_symbolless_global_addend): New.
2355         (Output_data_reloc::add_symbolless_local_addend): New.
2356         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2357         is_symbolless.
2358         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2359         instead of ->is_relative_
2360         (Output_reloc::write): Likewise.
2361         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2362         (Output_reloc::write_rel): Simplify.
2364         * sparc.cc (Target_sparc::Scan::local): Use
2365         ->add_symbolless_local_addend as needed.
2366         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2367         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2368         based upon relocation offset.
2370 2010-02-11  Doug Kwan  <dougkwan@google.com>
2372         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2373         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2374         beginning of function.
2375         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2376         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2377         parameter is_32bit in calls to should_apply_static_reloc.
2378         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2379         (check_DATA): Add arm_abs_global.stdout.
2380         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2381         arm_abs_global.stdout): New rules.
2382         (MOSTLLYCLEANFILES): Add arm_abs_global
2383         * Makefile.in: Regenerate.
2384         * testsuite/arm_abs_global.s: New file.
2385         * testsuite/arm_abs_global.sh: Ditto.
2386         * testsuite/arm_abs_lib.s: Ditto.
2388 2010-02-11  Ian Lance Taylor  <iant@google.com>
2390         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2391         Read_relocs task.
2392         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2393         Allocate_commons_task first.
2394         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2395         task, rather than symtab_lock_.
2396         (Gc_process_relocs::~Gc_process_relocs): New function.
2397         (Gc_process_relocs::is_runnable): Check this_blocker_.
2398         (Gc_process_relocs::locks): Use next_blocker_ rather than
2399         blocker_.
2400         (Scan_relocs::~Scan_relocs): New function.
2401         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2402         symtab_lock_.
2403         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2404         next_blocker_.
2405         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2406         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2407         constructor accordingly.
2408         (class Gc_process_relocs): Likewise.
2409         (class Scan_relocs): Likewise.
2410         * common.h (class Allocate_commons_task): Remove symtab_lock_
2411         field, and corresponding constructor parameter.
2412         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2413         symtab_lock_.
2414         (Allocate_commons_task::locks): Likewise.
2416 2010-02-11  Ian Lance Taylor  <iant@google.com>
2418         * gold-threads.h (class Once): Define.
2419         (class Initialize_lock): Rewrite as child of Once.
2420         * gold-threads.cc (class Once_initialize): Define.
2421         (once_pointer_control): New static variable.
2422         (once_pointer, once_arg): New static variables.
2423         (c_run_once): New static function.
2424         (Once::Once, Once::run_once, Once::internal_run): New functions.
2425         (class Initialize_lock_once): Remove.
2426         (initialize_lock_control): Remove.
2427         (initialize_lock_pointer): Remove.
2428         (initialize_lock_once): Remove.
2429         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2430         (Initialize_lock::initialize): Rewrite.
2431         (Initialize_lock::do_run_once): New function.
2432         * archive.cc (Archive::interpret_header): Only clear name if it is
2433         not already empty.
2434         * fileread.cc: Include "gold-threads.h"
2435         (file_counts_lock): New static variable.
2436         (file_counts_initialize_lock): Likewise.
2437         (File_read::release): Only increment counts when using --stats.
2438         Use a lock around the increment.
2439         * parameters.cc (class Set_parameters_target_once): Define.
2440         (set_parameters_target_once): New static variable.
2441         (Parameters::Parameters): Move here from parameters.h.
2442         (Parameters::set_target): Rewrite.
2443         (Parameters::set_target_once): New function.
2444         (Parameters::clear_target): Move here and rewrite.
2445         * parameters.h (class Parameters): Update declarations.  Add
2446         set_parameters_target_once_ field.
2447         (Parameters::Parameters): Move to parameters.cc.
2448         (Parameters::clear_target): Likewise.
2449         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2450         task.
2451         (Start_group::~Start_group): New function.
2452         (Start_group::is_runnable): New function.
2453         (Start_group::locks, Start_group::run): New functions.
2454         (Finish_group::run): Change saw_undefined to size_t.
2455         * readsyms.h (class Start_group): Define.
2456         (class Finish_group): Change saw_undefined_ field to size_t.
2457         (Finish_group::Finish_group): Remove saw_undefined and
2458         this_blocker parameters.  Change all callers.
2459         (Finish_group::set_saw_undefined): New function.
2460         (Finish_group::set_blocker): New function.
2461         * symtab.h (class Symbol_table): Change saw_undefined to return
2462         size_t.  Change saw_undefined_ field to size_t.
2463         * target-select.cc (Set_target_once::do_run_once): New function.
2464         (Target_selector::Target_selector): Initialize set_target_once_
2465         field.  Don't initialize lock_ and initialize_lock_ fields.
2466         (Target_selector::instantiate_target): Rewrite.
2467         (Target_selector::set_target): New function.
2468         * target-select.h (class Set_target_once): Define.
2469         (class Target_selector): Update declarations.  Make
2470         Set_target_once a friend.  Remove lock_ and initialize_lock_
2471         fields.  Add set_target_once_ field.
2473 2010-02-10  Ian Lance Taylor  <iant@google.com>
2475         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2476         queueing any tasks.
2477         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2478         (queue_middle_tasks): Add all blockers before queueing any tasks.
2479         (queue_final_tasks): Likewise.
2480         * token.h (Task_token::add_blockers): New function.
2481         * object.h (Input_objects::number_of_relobjs): New function.
2483 2010-02-10  Ian Lance Taylor  <iant@google.com>
2485         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2486         shared, not if not position independent.
2487         * x86_64.cc (Relocate::relocate_tls): Likewise.
2488         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2489         (tls_pie_pic_test): New target.
2490         * testsuite/Makefile.in: Rebuild.
2492         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2493         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2494         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2495         * testsuite/Makefile.in: Rebuild.
2497 2010-02-09  David S. Miller  <davem@davemloft.net>
2499         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2500         R_SPARC_RELATIVE using ->add_local_relative().
2501         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2503         * output.h (Output_data_dynamic::add_section_size): New method
2504         that takes two Output_data objects.
2505         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2506         entry param.  Handle it in initializers.
2507         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2508         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2509         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2510         arg.
2511         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2512         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2513         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2514         for dynrel_includes_plt.
2515         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2516         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2517         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2518         before .rela.plt
2519         (Target_sparc::do_finalize_sections): Update to pass true for
2520         dynrel_includes_plt.
2521         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2522         output before .rela.plt
2523         (Target_powerpc::do_finalize_sections): Update to pass true for
2524         dynrel_includes_plt when 32-bit.
2526 2010-02-08  Doug Kwan  <dougkwan@google.com>
2528         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2529         method.
2530         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2531         Arm_relobj::scan_section_for_cortex_a8_stubs,
2532         Arm_relobj::do_relocation_section): Instead of calling
2533         Output_section::output_address, use faster
2534         Arm_relobj::simple_input_section_output_address.
2536 2010-02-08  David S. Miller  <davem@davemloft.net>
2538         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2539         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2540         relocation helper function.
2542         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2543         just like R_SPARC_GOT{10,13,22}.
2544         (Target_sparc::Scan::local): Likewise.
2545         (Target_sparc::Relocate:relocate): Likewise.
2547 2010-02-06  Ian Lance Taylor  <iant@google.com>
2549         * configure.ac: Rewrite targetobjs duplicate removal code to use
2550         only shell constructs.
2551         * configure: Rebuild.
2553 2010-02-05  Doug Kwan  <dougkwan@google.com>
2555         PR 11247
2556         * arm.cc (Arm_relobj::section_is_scannable): New method.
2557         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
2558         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2560 2010-02-04  Doug Kwan  <dougkwan@google.com>
2562         PR 11247
2563         * arm-reloc-property.cc (cstdio): Include.
2564         * configure.ac (targetobjs): Remove duplicates.
2565         * configure: Regenerate.
2566         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
2567         big and little endian version for a given address size.
2569 2010-02-03  Doug Kwan  <dougkwan@google.com>
2571         * arm-reloc-property.cc
2572         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2573         definition.
2574         * arm-reloc-property.h
2575         (Arm_reloc_property_table::get_implemented_static_reloc_property):
2576         New method definition.
2577         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2578         declaration.
2579         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
2580         overflow to N.
2581         (GOT_PREL): Change implemented to Y.
2582         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
2583         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
2584         (Arm_relocate_functions::movw_abs_nc): Remove method.
2585         (Arm_relocate_functions::movt_abs): Ditto.
2586         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
2587         (Arm_relocate_functions::thm_movt_abs): Ditto.
2588         (Arm_relocate_functions::movw_rel_nc): Ditto.
2589         (Arm_relocate_functions::movw_rel): Ditto.
2590         (Arm_relocate_functions::movt_rel): Ditto.
2591         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
2592         (Arm_relocate_functions:thm_movw_rel): Ditto.
2593         (Arm_relocate_functions:thm_movt_rel): Ditto.
2594         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
2595         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
2596         New method definitions.
2597         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
2598         (Arm_relocation_functions::arm_grp_ldr): Ditto.
2599         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
2600         (Arm_relocation_functions::arm_grp_ldc): Ditto.
2601         (Target_arm::Relocate::relocate): Check for non-static or
2602         unimplemented relocation code and exit early.  Change calls to
2603         Target_arm::reloc_uses_thumb_bit and
2604         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
2605         instead.  Refactor code to handle similar relocations to increase
2606         code sharing.  Remove check for unsupported relocation code in switch
2607         statement.
2608         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
2609         relocation property table to find out size.  Change error message to
2610         print out the name of a relocation code instead of the numeric value.
2611         (Target_arm::scan_reloc_for_stub): Use relocation property table
2612         instead of calling Target_arm::reloc_uses_thumb_bit().
2614 2010-02-02  Doug Kwan  <dougkwan@google.com>
2616         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
2617         types of relaxed input section.
2619 2010-02-02  Doug Kwan  <dougkwan@google.com>
2621         * Makefile.am (HFILES): Add arm-reloc-property.h.
2622         (DEFFILES): New.
2623         (TARGETSOURCES): Add arm-reloc-property.cc
2624         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
2625         (libgold_a_SOURCES): $(DEFFILES)
2626         * Makefile.in: Regenerate.
2627         * arm-reloc-property.cc: New file.
2628         * arm-reloc-property.h: New file.
2629         * arm-reloc.def: New file.
2630         * arm.cc: Update comments.
2631         (arm-reloc-property.h): New included header.
2632         (arm_reloc_property_table): New global variable.
2633         (Target_arm::do_select_as_default_target): New method definition.
2634         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
2635         arm-reloc-property to targ_extra_obj.
2636         * parameters.cc (set_parameters_target): Call
2637         Target::select_as_default_target().
2638         * target.h (Target::select_as_default_target): New method definition.
2639         (Target::do_select_as_default_target): Same.
2641 2010-02-01  Doug Kwan  <dougkwan@google.com>
2643         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
2644         first_output_text_section_.
2645         (Arm_exidx_fixup::first_output_text_section): New method definition.
2646         (Arm_exidx_fixup::first_output_text_section_): New data member.
2647         (Arm_exidx_fixup::process_exidx_section): Record the first text
2648         output section seen.
2649         (Arm_output_section::fix_exidx_coverage): Set correct linked section
2650         and entsize in output section header.
2652 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2654         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
2655         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
2656         (Arm_relocate_functions::thm_alu11): New Method.
2657         (Arm_relocate_functions::thm_pc8): New Method.
2658         (Arm_relocate_functions::thm_pc12): New Method.
2659         (Target_arm::Scan::local): Handle the relocations.
2660         (Target_arm::Scan::global): Likewise.
2661         (Target_arm::Relocate::relocate): Likewise.
2662         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2664 2010-01-29  Doug Kwan  <dougkwan@google.com>
2666         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
2667         of relocation types as ld.
2669 2010-01-29  Doug Kwan  <dougkwan@google.com>
2671         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
2672         to public.
2673         (Arm_relocate_functions::thumb_branch_common): Ditto.
2674         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
2675         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
2676         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
2677         Arm_relocate_functions::jump24): Remove.
2678         (Target_arm::Relocate::relocate): Adjust code to call
2679         Arm_relocation_functions::arm_branch_common and
2680         Arm_relocation_functions::thumb_branch_common instead of their removed
2681         wrappers.  Merge switch-cases together to reduce source code size.
2683 2010-01-29  Doug Kwan  <dougkwan@google.com>
2685         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
2686         output_local_symbol_count_needs_update_.
2687         (Arm_relobj::output_local_symbol_count_needs_update,
2688          Arm_relobj::set_output_local_symbol_count_needs_update,
2689          Arm_relobj::update_output_local_symbol_count): New methods.
2690         (Arm_relobj::output_local_symbol_count_needs_update_): New data
2691         member.
2692         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
2693         of pointed function as in a R_ARM_PREL31 relocation.
2694         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
2695         for output local symbol count updating.
2696         (Target_arm::do_relax): Update output local symbol counts in objects
2697         if necessary.
2698         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
2700 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2702         * arm.cc: Added support for the ARM relocations:
2703         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
2704         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
2705         (Arm_relocate_functions::movw_rel_nc): Renamed (was
2706         movw_prel_nc).
2707         (Arm_relocate_functions::movw_rel): New method.
2708         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
2709         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
2710         thm_movw_prel_nc).
2711         (Arm_relocate_functions::thm_movw_rel): New method.
2712         (Arm_relocate_functions::thm_movt_rel): Renamed (was
2713         thm_movt_prel).
2714         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
2715         relocations.
2716         (Target_arm::Scan::global): Likewise.
2717         (Target_arm::Relocate::relocate): Likewise.
2718         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2719         Likewise.
2721 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2723         * arm.cc: Added support for ARM group relocations.
2724         (Target_arm::reloc_needs_sym_origin): New method.
2725         (Arm_relocate_functions::calc_grp_kn): New method.
2726         (Arm_relocate_functions::calc_grp_residual): New method.
2727         (Arm_relocate_functions::calc_grp_gn): New method.
2728         (Arm_relocate_functions::arm_grp_alu): New Method.
2729         (Arm_relocate_functions::arm_grp_ldr): New Method.
2730         (Arm_relocate_functions::arm_grp_ldrs): New Method.
2731         (Arm_relocate_functions::arm_grp_ldc): New Method.
2732         (Target_arm::Scan::local): Handle the ARM group relocations.
2733         (Target_arm::Scan::global): Likewise.
2734         (Target_arm::Relocate::relocate): Likewise.
2735         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2736         Likewise.
2738 2010-01-26  Doug Kwan  <dougkwan@google.com>
2740         * arm.cc (set): Include.
2741         (class Arm_exidx_fixup): Change type of last_input_section_ to const
2742         pointer type.
2743         (Arm_output_section::Text_section_list): New type.
2744         (Arm_output_section::append_text_sections_to_list): New method.
2745         (Arm_output_section::fix_exidx_coverage): Ditto.
2746         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
2747         (Arm_relobj::convert_input_section_to_relaxed_section): Use
2748         Relobj::set_section_offset() instead of
2749         Sized_relobj::invalidate_section_offset().
2750         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
2751         parameter for section headers. Ignore relocation sections for
2752         unallocated sections and EXIDX sections.
2753         (Target_arm::fix_exidx_coverage): New method.
2754         (Target_arm::output_section_address_less_than): New type.
2755         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
2756         linked text section instead of the EXIDX section.
2757         (Arm_output_section::create_stub_group): Add an assertion to check
2758         that this is not an EXIDX output section.
2759         (Arm_output_section::append_text_sections_to_list): New method.
2760         (Arm_output_section::fix_exidx_coverage): Ditto.
2761         (Arm_relobj::scan_sections_for_stubs): Adjust call to
2762         Arm_relobj::section_needs_reloc_stub_scanning.
2763         (Target_arm::do_relax): Fix EXIDX output section coverage in the
2764         first pass.
2765         (Target_arm::fix_exidx_coverage): New method.
2766         * object.h (Relobj::set_output_section): New method.
2767         (Sized_relobj::invalidate_section_offset): Remove method.
2768         (Sized_relobj::do_invalidate_section_offset): Remove method.
2769         (Sized_relobj::do_set_section_offset): Handle offset value -1.
2771 2010-01-25  Doug Kwan  <dougkwan@google.com>
2773         * arm.cc (Arm_exidx_merged_section::do_output_offset):
2774         Fix warning due to signed and unsigned comparison on a 32-bit host.
2776 2010-01-22  Doug Kwan  <dougkwan@google.com>
2778         * arm.cc (Target_arm::do_relax): Record an output section for section
2779         offset adjustment it contains any stub table that has changed.
2780         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
2781         offsets in an output section if necessary.
2782         * output.cc (Output_section::Output_section): Initialize
2783         section_offsets_need_adjustments_.
2784         (Output_section::add_input_section_for_script): Renamed to
2785         Output_section::add_simple_input_section.
2786         (Output_section::save_states): Add a comment.
2787         (Output_section::discard_states): New method defintion.
2788         (Output_section::adjust_section_offsets): Same.
2789         * output.h (Output_section::add_input_section_for_script): Renamed to
2790         Output_section::add_simple_input_section.
2791         (Output_section::discard_states): New method declaration.
2792         (Output_section::adjust_section_offsets): Same.
2793         (Output_section::section_offsets_need_adjustment,
2794         Output_section::set_section_offsets_need_adjustment): New method
2795         definitions.
2796         (Output_section::section_offsets_need_adjustment_): New data member.
2797         * script-sections.cc
2798         (Output_section_element_input::set_section_address): Adjust code for
2799         renaming of Output_section::add_input_section_for_script.
2800         (Orphan_output_section::set_section_address): Same.
2802 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2804         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
2805         Fix_v4bx enum values .
2806         * gold/options.h (General_options): New option definitions.
2807         (General_options::fix_v4bx): New method.
2808         (General_options::Fix_v4bx): New enum.
2809         * gold/options.cc (General_options::parse_fix_v4bx): New method.
2810         (General_options::parse_fix_v4bx_interworking): New method.
2812 2010-01-22  Doug Kwan  <dougkwan@google.com>
2814         * arm.cc (Arm_exidx_fixup): New class.
2816 2010-01-21  Doug Kwan  <dougkwan@google.com>
2818         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
2819         classes.
2820         (Arm_exidx_section_offset_map): New type.
2822 2010-01-21  Doug Kwan  <dougkwan@google.com>
2824         * arm.cc (Arm_exidx_input_section): New class.
2825         (Arm_relobj::exidx_input_section_by_link,
2826         Arm_relobj::exidx_input_section_by_shndx,
2827         Arm_relobj::make_exidx_input_section): New methods.
2828         (read_arm_attributes_section): Remove.
2829         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
2830         information about them.
2831         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
2832         to here.
2834 2010-01-20  Doug Kwan  <dougkwan@google.com>
2836         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
2837         Input_section_specifier to Section_id.
2838         (Target_arm::new_arm_input_section: Adjust code for change of key
2839         type.
2840         (Target_arm::find_arm_input_section): Ditto.
2841         * gc.h (object.h): Include for Section_id nand Section_id_hash.
2842         (Section_id): Remove.
2843         (Garbage_collection::Section_id_hash): Remove.
2844         * icf.h (object.h): Include for Section_id nand Section_id_hash.
2845         (Section_id): Remove.
2846         (Icf::Section_id_hash): Remove.
2847         * object.h (Section_id, Const_section_id, Section_id_hash,
2848         Const_section_id_hash): New type definitions.
2849         * output.cc (Output_section::add_relaxed_input_section): Change to
2850         use Const_section_id instead of Input_section_specifier as key type.
2851         (Output_section::add_merge_input_section): Ditto.
2852         (Output_section::build_relaxation_map): Change to use Section_id
2853         instead of Input_section_specifier as key type.
2854         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2855         Ditto.
2856         (Output_section::convert_input_sections_to_relaxed_sections): Change
2857         to use Const_section_id instead of Input_section_specifier as key type.
2858         (Output_section::find_merge_section): Ditto.
2859         (Output_section::find_relaxed_input_section): Ditto.
2860         * output.h (Input_section_specifier): Remove class.
2861         (Output_section::Output_section_data_by_input_section_map): Change
2862         key type to Const_section_id.
2863         (Output_section::Output_relaxed_input_section_by_input_section_map):
2864         Ditto.
2865         (Output_section::Relaxation_map): Change key type to Section_id.
2867 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2869         * gold/arm.cc: Added support for R_ARM_V4BX relocation
2870         (class Arm_v4bx_stub): New class.
2871         (DEF_STUBS): Updated definition to support v4_veneer_bx.
2872         (Stub_factory::make_arm_v4bx_stub): New method.
2873         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
2874         (Stub_table::empty): Handle v4bx stubs.
2875         (Stub_table::add_arm_v4bx_stub): New method.
2876         (Stub_table::find_arm_v4bx_stub): New method.
2877         (Arm_relocate_functions::v4bx): New method.
2878         (Target_arm::fix_v4bx): New method.
2879         (Target_arm::Target_arm): Handle R_ARM_V4BX.
2880         (Stub_table::relocate_stubs): Likewise.
2881         (Stub_table::do_write): Likewise.
2882         (Stub_table::update_data_size_and_addralign): Likewise.
2883         (Stub_table::finalize_stubs):  Likewise.
2884         (Target_arm::Scan::local): Likewise.
2885         (Target_arm::Scan::global): Likewise.
2886         (Target_arm::do_finalize_sections): Likewise.
2887         (Target_arm::Relocate::relocate): Likewise.
2888         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2889         Likewise.
2890         (Target_arm::scan_reloc_for_stub): Likewise.
2891         (Target_arm::scan_reloc_section_for_stubs): Likewise.
2893 2010-01-19  Ian Lance Taylor  <iant@google.com>
2895         * output.cc (Output_section_headers::do_sized_write): Write large
2896         segment count to sh_info field.
2897         (Output_file_header::do_sized_write): For large segment count,
2898         write PN_XNUM to e_phnum field.
2900 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2902         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
2903         (Arm_relocate_functions::thm_jump8): New function.
2904         (Arm_relocate_functions::thm_jump11): New function.
2905         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
2906         R_ARM_THM_JUMP11.
2907         (Target_arm::Scan::global): Likewise.
2908         (Target_arm::Relocate::relocate): Likewise.
2909         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2910         Likewise.
2912 2010-01-14  Doug Kwan  <dougkwan@google.com>
2914         * arm.cc (map, utility): Include headers.
2915         (Target_arm::apply_cortex_a8_workaround): New method.
2916         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
2917         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
2918         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
2919         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
2920         the --[no-]fix-cortex-a8 command line options.
2921         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
2922         (Target_arm::relocate_stub): Use addend in instruction template.
2923         * options.h (DEFINE_bool): Set the user-set flag.
2924         (General_options): Add --[no-]-fix-cortex options.
2925         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
2926         : Update fast look-up map after conversion.
2928 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
2930         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
2931         in the first pass of do_layout.
2933 2010-01-13  Doug Kwan  <dougkwan@google.com>
2935         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2936         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
2937         apparent compiler problem of not folding static constant integral
2938         data members of elfcpp::Elf_sizes<32>.
2940 2010-01-13  Doug Kwan  <dougkwan@google.com>
2942         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2943         Arm_relobj::section_needs_cortex_a8_stub_scanning,
2944         Arm_relobj::scan_section_for_cortex_a8_erratum,
2945         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
2946         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
2947         sections to scan for relocation stubs into a new method
2948         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
2949         relocation and Cortex-A8 stub scanning.
2950         (Target_arm::do_relax): Force stubs to be after stubbed sections
2951         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
2952         the beginning of a new relaxation pass.  Update a comment.
2953         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
2955 2010-01-12  Ian Lance Taylor  <iant@google.com>
2957         * target-reloc.h (visibility_error): New inline function.
2958         (relocate_section): Call visibility_error.
2959         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
2960         (MOSTLYCLEANFILES): Likewise.
2961         (protected_4_pic.o, protected_3.err): New targets.
2962         * testsuite/protected_4.cc: New file.
2964 2010-01-12  Doug Kwan  <dougkwan@google.com>
2966         * arm.cc (Cortex_a8_reloc): New class.
2967         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
2968         and cortex_a8_relocs_info_.
2969         (Target_arm::fix_cortex_a8): New method definition.
2970         (Target_arm::Cortex_a8_relocs_info): New type.
2971         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
2972         New data member declarations.
2973         (Target_arm::scan_reloc_for_stub): Record information about
2974         relocations for THUMB branches that might be exempted from the
2975         Cortex-A8 workaround.
2976         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
2977         at the beginning of a relaxation pass.
2979 2010-01-12  Doug Kwan  <dougkwan@google.com>
2981         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
2982         (Arm_relobj::Mapping_symbol_position,
2983          Arm_reloj::Mapping_symbol_position_less,
2984          Arm_relobj::Mapping_symbols_info): New types.
2985         (Target_arm::is_mapping_symbol_name): New method definition.
2986         (Arm_relobj::do_count_local_symbols): Save information about mapping
2987         symbols.
2989 2010-01-11  Doug Kwan  <dougkwan@google.com>
2991         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
2992         Arm_relocate_functions::thumb32_branch_upper,
2993         Arm_relocate_functions::thumb32_branch_lower,
2994         Arm_relocate_functions::thumb32_cond_branch_offset,
2995         Arm_relocate_functions::thumb32_cond_branch_upper,
2996         Arm_relocate_functions::thumb32_cond_branch_lower,
2997         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
2998         branch offset encoding.
2999         (Arm_relocate_functions::thumb_branch_common): Use new branch
3000         offset encoding methods to avoid code duplication.
3001         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
3002         (Stub_addend_reader::operator()): Use new branch encoding method
3003         to avoid code duplication.
3005 2010-01-11  Doug Kwan  <dougkwan@google.com>
3007         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
3008         (Target_arm::do_finalize_sections): Define special EXIDX section
3009         symbols only if referenced.
3010         * gc.h (Garbage_collection::add_reference): New method.
3011         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
3012         code duplication.
3014 2010-01-11  Ian Lance Taylor  <iant@google.com>
3016         * script.cc (Version_script_info::build_expression_list_lookup):
3017         Change complaing about duplicate wildcard match from error to
3018         warning.
3020         * script.cc (class Lazy_demangler): Recreate--revert part of patch
3021         of 2009-12-30.
3022         (Version_script_info::Version_script_info): Initialize globs_,
3023         default_version_, default_is_global_, and exact_.  Don't
3024         initialize globals_ or locals_.
3025         (Version_script_info::build_lookup_tables): Build local symbols
3026         first.
3027         (Version_script_info::unquote): New function.
3028         (Version_script_info::add_exact_match): New function.
3029         (Version_script_info::build_expression_list_lookup): Remove lookup
3030         parameter.  Add is_global parameter.  Change all callers.  Handle
3031         wildcard pattern specially.  Unquote pattern.  Call
3032         add_exact_match.
3033         (Version_script_info::get_name_to_match): New function.
3034         (Version_script_info::get_symbol_version): New function.
3035         (Version_script_info::get_symbol_version_helper): Remove.
3036         (Version_script_info::check_unmatched_names): Call unquote.
3037         * script.h (class Version_script_info): Change get_symbol_version
3038         to be non-inline and add is_global parameter; change all callers.
3039         Rewrite symbol_is_local.  Update declarations.  Define struct
3040         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
3041         Remove globals_ and locals_ members.  Add exact_, globs_,
3042         default_version_, is_global_.
3043         (Version_script_info::Glob): Remove pattern, add expression and
3044         is_global.  Update constructor.  Change all callers.
3045         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3046         default version.
3047         (Versions::symbol_section_contents): If a symbol is undefined, or
3048         defined in a dynamic object, set the version index to
3049         VER_NDX_LOCAL.
3050         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3051         symbol_is_local.
3052         (Symbol_table::add_from_pluginobj): Likewise.
3053         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3055 2010-01-11  Doug Kwan  <dougkwan@google.com>
3057         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3058         (incremental_dump_LDADD): Add linking option for libintl.
3059         * Makefile.in: Regenerate.
3061 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3063         PR gold/11144
3064         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3065         instead of -Ds.
3066         * testsuite/Makefile.in: Regenerated.
3068 2010-01-10  Doug Kwan  <dougkwan@google.com>
3070         * options.h (DEFINE_var): Use parentheses around argument varname__
3071         in macro body to avoid any unintended subsequent substitutions.
3073 2010-01-10  Ian Lance Taylor  <iant@google.com>
3075         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3076         candidates before doing symbol resolution.
3078         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3079         ODR candidates if only one is weak.
3081 2010-01-08  Ian Lance Taylor  <iant@google.com>
3083         * script.cc (Version_script_info::build_expression_list_lookup):
3084         Don't warn about ambiguous version, just record the ambiguity.
3085         (Version_script_info::get_symbol_version_helper): Give error if
3086         version is ambiguous.
3088 2010-01-08  Doug Kwan  <dougkwan@google.com>
3090         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3091           prev_data_size_ and prev_addralign_.  Remove initializer for
3092           deleted data member has_been_changed_.
3093           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3094           to determine if the table is empty.
3095           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3096           Remove.
3097           (Stub_table::add_reloc_stub): Define method in class definition
3098           instead of just declaring it there.
3099           (Stub_table::add_cortex_a8_stub): New method definition.
3100           (Stub_table::update_data_size_and_addralign): Ditto.
3101           (Stub_table::finalize_stubs): Ditto.
3102           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3103           (Stub_table::do_addralign_): Return address alignment in the
3104           (Stub_table::do_reset_address_and_file_offset): Define method in
3105           class definition instead of declaring it there.  Set current data
3106           size to be the data size of the previous pass.
3107           (Stub_table::set_final_data_size): Use current data size as the
3108           final data size.
3109           (Stub_table::relocate_stub): Change parameter type of stub from
3110           Reloc_stub pointer to Stub pointer.
3111           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3112           (Stub_table::Cortex_a8_stub_list): New typedef.
3113           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3114            Stub_table::prev_addralign_): New data member.
3115           (Arm_relobj::Arm_relobj): Initialize data member
3116           section_has_cortex_a8_workaround_.
3117           (Arm_relobj::section_has_cortex_a8_workaround,
3118            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3119            definitions.
3120           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3121           declarations.
3122           (Target_arm::relocate_stub): Change parameter type of stub from
3123           Reloc_stub pointer to Stub pointer.
3124           (Insn_template::size, Insn_template::alignment): Handle
3125           THUMB16_SPECIAL_TYPE.
3126           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3127            Stub_table::update_data_size_and_addralign,
3128            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3129           definitions.
3130           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3131           (Stub_table::do_write): Ditto.
3132           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3134 2010-01-08  Ian Lance Taylor  <iant@google.com>
3136         PR 11108
3137         * symtab.h (class Symbol): Remove fields is_target_special_ and
3138         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3139         (Symbol::is_defined_in_discarded_section): New function.
3140         (Symbol::set_is_defined_in_discarded_section): New function.
3141         (Symbol::has_plt_offset): Rewrite.
3142         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3143         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3144         Don't initialize is_target_special_ or has_plt_offset_.
3145         Initialize is_defined_in_discarded_section_.
3146         (Symbol_table::add_from_relobj): If appropriate, set
3147         is_defined_in_discarded_section.
3148         * resolve.cc (Symbol::override_base_with_special): Don't test
3149         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3150         * target-reloc.h (relocate_section): Do special handling for
3151         symbols defined in discarded sections for global symbols as well
3152         as local symbols.
3154 2010-01-08  Ian Lance Taylor  <iant@google.com>
3156         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3157         the SHT_SYMTAB case.
3159 2010-01-08  Ian Lance Taylor  <iant@google.com>
3161         * object.cc (Sized_relobj::do_layout): Don't get confused if
3162         layout_eh_frame returns NULL.
3164 2010-01-08  Ian Lance Taylor  <iant@google.com>
3166         PR 11084
3167         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3168         dynamic symbol table, use the normal symbol table.
3169         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3170         symbol table.
3172 2010-01-08  Ian Lance Taylor  <iant@google.com>
3174         PR 11072
3175         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3176         sections.
3178 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3180         * version.cc (print_version): Change to "Copyright 2010".
3182 2010-01-08  Ian Lance Taylor  <iant@google.com>
3184         PR 10287
3185         PR 11063
3186         * i386.cc (class Target_i386): Change return type of plt_section
3187         to be non-const.
3188         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3189         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3190         tls_desc_rel_ field.
3191         (Output_data_plt_i386::rel_tls_desc): New function.
3192         (Target_i386::rel_tls_desc_section): New function.
3193         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3194         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3195         R_386_TLS_DESC reloc in rel_tls_desc_section.
3196         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3197         Define struct Tlsdesc_info.
3198         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3199         (Target_x86_64::do_reloc_symbol_index): New function.
3200         (Target_x86_64::add_tlsdesc_info): New function.
3201         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3202         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3203         tlsdesc_rel_ field.
3204         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3205         all callers.
3206         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3207         (Target_x86_64::rela_tlsdesc_section): New function.
3208         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3209         handling.
3210         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3211         (Target_x86_64::do_reloc_addend): New function.
3212         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3213         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3214         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3215         (Output_reloc::type): New function.
3216         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3217         (Output_reloc::is_target_specific): New function.
3218         (Output_reloc::target_arg): New function.
3219         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3220         absolute relocs and target specific relocs.
3221         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3222         add_target_specific.
3223         (class Output_data_reloc) [SHT_RELA]: Likewise.
3224         * output.cc (Output_reloc::Output_reloc): Add four new versions
3225         for absolute relocs and target specific relocs.
3226         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3227         (Output_reloc::get_symbol_index): Likewise.
3228         (Output_reloc::local_section_offset): Check that local_sym_index_
3229         is not TARGET_CODE or 0.
3230         (Output_reloc::symbol_value): Likewise.
3231         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3232         reloc.
3233         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3234         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3235         functions.
3236         * layout.cc (add_target_dynamic_tags): Use output section for
3237         DT_PLTRELSZ and DT_JMPREL.
3239 2010-01-07  Ian Lance Taylor  <iant@google.com>
3241         PR 11061
3242         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3243         function.
3244         (class Output_data_reloc_generic): Define.
3245         (class Output_data_reloc_base): Change base class to
3246         Output_data_reloc_generic.  Change add() method to call
3247         bump_relative_reloc_count for a relative reloc.  Remove
3248         sort_relocs_ field.
3249         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3250         to sort_relocs().
3251         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3252         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3253         appropriate.
3254         * layout.h (class Layout): Update declaration.
3256 2010-01-07  Ian Lance Taylor  <iant@google.com>
3258         * output.h (class Output_data): Add const version of
3259         output_section and do_output_section.
3260         (class Output_section_data): Add const version of
3261         do_output_section.
3262         (class Output_section): Likewise.
3263         * layout.cc (Layout::add_target_dynamic_tags): New function.
3264         * layout.h (class Layout): Update declarations.
3265         * arm.cc (Target_arm::do_finalize_sections): Use
3266         add_target_dynamic_tags.
3267         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3268         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3269         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3270         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3272 2010-01-07  Ian Lance Taylor  <iant@google.com>
3274         PR 11042
3275         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3276         object as needed.
3278 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3279             Ian Lance Taylor  <iant@google.com>
3281         PR 11019
3282         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3283         Xindex::read_symtab_xindex.
3285 2010-01-07  Doug Kwan  <dougkwan@google.com>
3287         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3288         (Insn_template::thumb16_bcond_insn): New method declaration.
3289         (Insn_template): Fix spelling.
3290         (Stub::thumb16_special): New method declaration.
3291         (Stub::do_write): Define virtual method which was previously pure
3292         virtual.
3293         (Stub::do_thumb16_special): New method declaration.
3294         (Stub::do_fixed_endian_write): New template member.
3295         (Reloc_stub::do_write): Remove.
3296         (Reloc_stub::do_fixed_endian_write): Remove.
3297         (Cortex_a8_stub): New class definition.
3298         (Stub_factory::make_cortex_a8_stub): New method definition.
3299         (Stub_factory::Stub_factory): Add missing static storage class
3300         qualifier for elf32_arm_stub_a8_veneer_blx.
3302 2010-01-07  Ian Lance Taylor  <iant@google.com>
3304         PR 10980
3305         * options.h (class General_options): Add --warn-unresolved-symbols
3306         and --error-unresolved-symbols.
3307         * errors.cc (Errors::undefined_symbol): Implement
3308         --warn-unresolved-symbols.
3310         * options.h (class General_options): Add -z text and -z textoff.
3311         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3313 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3315         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3316         (Garbage_collection::cident_sections): New function.
3317         (Garbage_collection::add_cident_section): New function.
3318         (Garbage_collection::cident_sections_): New member.
3319         (gc_process_relocs): Add references to sections whose names are C
3320         identifiers.
3321         * gold.h (cident_section_start_prefix): New constant.
3322         (cident_section_stop_prefix): New constant.
3323         (is_cident): New function.
3324         * layout.cc (Layout::define_section_symbols): Replace string constants
3325         with the newly defined constants.
3326         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3327         C identifiers.
3328         * testsuite/Makefile.am: Add gc_orphan_section_test.
3329         * testsuite/Makefile.in: Regenerate.
3330         * testsuite/gc_orphan_section_test.cc: New file.
3331         * testsuite/gc_orphan_section_test.sh: New file.
3333 2010-01-06  Ian Lance Taylor  <iant@google.com>
3335         PR 10980
3336         * options.h (class General_options): Add --warn-shared-textrel.
3337         * layout.cc (Layout::finish_dynamic_section): Implement
3338         --warn-shared-textrel.
3340         PR 10980
3341         * options.h (class General_options): Add --warn-multiple-gp.
3343 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3345         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3346         $(THREADSLIB) and $(LIBDL).
3347         * Makefile.in: Rebuild.
3349 2010-01-06  Ian Lance Taylor  <iant@google.com>
3351         PR 10980
3352         * options.cc (General_options::parse_section_start): New function.
3353         (General_options::section_start): New function.
3354         (General_options::General_options): Initialize all members.
3355         * options.h: Include <map>
3356         (class General_options): Add --section-start.  Add section_starts_
3357         member.
3358         * layout.cc (Layout::attach_allocated_section_to_segment): If
3359         --section-start was used, set the address of the segment.  Remove
3360         local sort_sections.
3361         (Layout::relaxation_loop_body): If the address of the load segment
3362         has been set by --section-start, don't use it.
3363         * output.h (Output_segment::update_flags_for_output_section): New
3364         function.
3365         * output.cc (Output_segment::add_output_section): Call
3366         update_flags_for_output_section.
3368 2010-01-05  Ian Lance Taylor  <iant@google.com>
3370         PR 10980
3371         * options.h (class General_options): Add --undefined-version.
3372         * script.cc (struct Version_expression): Add was_matched_by_symbol
3373         field.
3374         (Version_script_info::matched_symbol): New function.
3375         (Version_script_info::get_symbol_version_helper): Call
3376         matched_symbol.
3377         (Version_script_info::check_unmatched_names): New function.
3378         * script.h (class Version_script_info): Update declarations.
3379         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3381         * options.h (class General_options): Use DEFINE_bool_alias for
3382         allow_multiple_definition.
3383         * resolve.cc (Symbol_table::should_override): Don't test
3384         allow_multiple_definition.
3386         PR 10980
3387         * options.h (class General_options): Add --cref.
3388         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3389         until after printing cref table.
3390         * cref.cc: Include "symtab.h".
3391         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3392         (Cref_table_compare::operator()): New function.
3393         (Cref_inputs::gather_cref): New function.
3394         (filecol): New static const.
3395         (Cref_inputs::print_cref): New function.
3396         (Cref::print_cref): New function.
3397         * cref.h: Include <cstdio>.
3398         (class Cref): Update declarations.
3399         * mapfile.h (Mapfile::file): New function.
3400         * object.h (class Object): Define Symbols.  Declare virtual
3401         do_get_global_symbols.
3402         (Object::get_global_symbols): New function.
3403         * object.cc (Input_objects::add_object): Pass object to cref_ if
3404         --cref.
3405         (Input_objects::archive_start): Likewise.
3406         (Input_objects::archive_stop): Likewise.
3407         (Input_objects::print_cref): New function.
3408         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3409         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3410         --cref.
3411         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3412         function.
3413         * plugin.h (class Sized_pluginobj): Update declarations.
3415 2010-01-05  Ian Lance Taylor  <iant@google.com>
3417         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3418         to is_default_version.  Rename insdef to insdefault.
3419         (Symbol_table::add_from_relobj): Rename def to is_default_version
3420         and local to is_forced_local.
3421         (Symbol_table::add_from_pluginobj): Likewise.
3422         (Symbol_table::add_from_dynobj): Likewise.
3423         (Symbol_table::define_special_symbol): Rename insdef to
3424         insdefault.
3426 2010-01-04  Ian Lance Taylor  <iant@google.com>
3428         PR 10980
3429         * options.h (class General_options): Add
3430         --allow-multiple-definition and -z muldefs.
3431         * resolve.cc (Symbol_table::should_override): Don't warn about a
3432         multiple symbol definition if --allow-multiple-definition or -z
3433         muldefs.
3435         PR 10980
3436         * options.h (class General_options): Add --add-needed and
3437         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3438         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3439         error if --copy-dt-needed-entries aka --add-needed is used and
3440         would cause a change in behaviour.
3442         PR 10980
3443         * options.h (class General_options): Add -G as a short version of
3444         --shared.  Add no-op options -assert, -g, and -i.
3446 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3448         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3449         check for .text or .gnu.linkonce.t sections.
3450         * icf.cc (Icf::find_identical_sections): Ditto.
3451         Change the detection for mangled function name within the section
3452         name.
3453         * icf.h (is_section_foldable_candidate): New function.
3455 2009-12-30  Ian Lance Taylor  <iant@google.com>
3457         PR 10980
3458         * options.h (class General_options): Permit two dashes with
3459         --retain-symbols-file.
3461 2009-12-30  Ian Lance Taylor  <iant@google.com>
3463         PR 10979
3464         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3465         don't put the file header and segment headers in the text
3466         segment.
3468         PR 10979
3469         * common.cc (Sort_commons::operator()): Stabilize sort when both
3470         entries are NULL.
3471         (Symbol_table::do_allocate_commons_list): When allocating common
3472         symbols, skip a symbol which is no longer common.
3473         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3474         an object before checking its type.
3475         * testsuite/common_test_2.c: New file.
3476         * testsuite/common_test_3.c: New file.
3477         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3478         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3479         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3480         (common_test_2_pic.o, common_test_2.so): New targets.
3481         (common_test_3_pic.o, common_test_3.so): New targets.
3482         * testsuite/Makefile.in: Rebuild.
3484         PR 10979
3485         * script.cc (read_input_script): If we see a new SECTIONS clause,
3486         and we have added an input section, give an error.
3487         * layout.h (class Layout): Add have_added_input_section function.
3488         Add have_added_input_section_ field.
3489         * layout.cc (Layout::Layout): Initialize
3490         have_added_input_section_.
3491         (Layout::layout): Set have_added_input_section_.
3492         (Layout::layout_eh_frame): Likewise.
3494 2009-12-30  Ian Lance Taylor  <iant@google.com>
3496         PR 10931
3497         * options.h (class General_options): Add --sort-common option.
3498         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3499         * common.cc (Sort_common): Add sort_order parameter to
3500         constructor.  Add sort_order_ field.
3501         (Sort_commons::operator): Check sort_order_.
3502         (Symbol_table::allocate_commons): Determine the sort order.
3503         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3504         Change all callers.
3505         (Symbol_table::do_allocate_commons_list): Likewise.
3507 2009-12-30  Ian Lance Taylor  <iant@google.com>
3509         PR 10916
3510         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3511         symbols from this object, don't change the visibility of an
3512         undefined symbol.
3513         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3515 2009-12-30  Ian Lance Taylor  <iant@google.com>
3517         PR 10861
3518         * script.h (class Version_script_info): Define Language enum.
3519         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3520         new fields globals_, locals_, and is_finalized_.
3521         * script.cc: Various formatting fixes.
3522         (class Parser_closure): Change language_stack_ from a vector of
3523         std::string to one of Version_script_info::Language.  Adjust all
3524         uses accordingly.
3525         (class Lazy_demangler): Remove.
3526         (struct Version_expression): Change language from std::string to
3527         Version_script_info::Language.
3528         (Version_script_info::Version_script_info): New function.
3529         (Version_script_info::~Version_script_info): Don't call clear.
3530         (Version_script_info::finalize): New function.
3531         (Version_script_info::build_lookup_tables): New function.
3532         (Version_script_info::build_expression_list_lookup): New
3533         function.
3534         (Version_script_info::get_symbol_version_helper): Rewrite to use
3535         lookup tables.
3536         (Version_script_info::print_expression_list): Adjust to use
3537         Version_script_info::Language.
3538         (script_push_lex_into_version_mode): Check that the version script
3539         has not been finalized.
3540         (version_script_push_lang): Change language string to
3541         Version_script_info::Language.
3542         * options.cc (Command_line::version_script): New function.
3543         * options.h (class General_options): Add finalize_dynamic_list
3544         function.  Change version_script from declaration to definition.
3545         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3546         * testsuite/version_script.map: Remove duplicate def of foo.
3547         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3548         version_script.map.
3549         * testsuite/Makefile.in: Rebuild.
3551 2009-12-30  Ian Lance Taylor  <iant@google.com>
3553         PR 10843
3554         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3555         if the input symbol index is 0, make the output symbol index 0.
3557 2009-12-30  Ian Lance Taylor  <iant@google.com>
3559         PR 10670
3560         * options.h (class General_options): Add -x/--discard-all.
3561         * object.cc (Sized_relobj::do_count_local_symbols): Handle
3562         --discard-all.  If the local symbol needs a dynamic entry, check
3563         that before handling --discard-locals.
3565 2009-12-30  Ian Lance Taylor  <iant@google.com>
3567         PR 10450
3568         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
3569         flags to PF_R.
3570         (Output_segment::add_output_section): Don't change the flags if
3571         the type is PT_TLS.
3573         PR 10450
3574         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
3575         GNU hash table if they need a dynamic value.  Otherwise, don't add
3576         them if they are defined in a dynamic object or are forced local.
3578 2009-12-29  Ian Lance Taylor  <iant@google.com>
3580         PR 10450
3581         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
3582         .gnu.hash table for a 32-bit target.
3584         PR 10450
3585         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
3586         regular and a dynamic object only needs a dynamic symbol table
3587         entry if it is externally visible.
3589         PR 10450
3590         * i386.cc (class Target_i386): Initialize global_offset_table_ in
3591         constructor.  Add global_offset_table_ field.
3592         (Target_i386::got_section): Set global_offset_table_.
3593         (Target_i386::do_finalize_sections): Set global_offset_table_
3594         size.
3595         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
3596         in constructor.  Add global_offset_table_ field.
3597         (Target_x86_64::got_section): Set global_offset_table_.
3598         (Target_x86_64::do_finalize_sections): Set global_offset_table_
3599         size.
3601         * layout.cc (Layout::Layout): Initialize increase_relro_.
3602         (Layout::get_output_section): Add is_relro, is_last_relro, and
3603         is_first_non_relro parameters.  Change all callers.
3604         (Layout::choose_output_section): Likewise.
3605         (Layout::add_output_section_data): Likewise.
3606         (Layout::make_output_section): Likewise.
3607         (Layout::set_segment_offsets): Clear increase_relro when using a
3608         linker script.
3609         * layout.h (class Layout): Add increase_relro method.  Add
3610         increase_relro_ field.  Update declarations.
3611         * output.cc (Output_section::Output_section): Initialize
3612         is_last_relro_ and is_first_non_relro_.
3613         (Output_segment::add_output_section): Group relro sections is
3614         do_sort is true.  Handle is_last_relro and is_first_non_relro.
3615         (Output_segment::maximum_alignment): Remove relro handling.
3616         (Output_segment::set_section_addresses): Add increase_relro
3617         parameter.  Change all callers.  Add initial alignment to align
3618         relro sections on separate page.  Remove old relro handling.
3619         (Output_segment::set_section_list_addresses): Remove in_relro
3620         parameter.  Change all callers.
3621         (Output_segment::set_offset): Add increase parameter.  Change all
3622         callers.  Remove old relro handling.
3623         * output.h (class Output_section): Add new methods: is_last_relro,
3624         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
3625         Add is_last_relro_ and is_first_non_relro_ fields.
3626         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
3627         Create separate .got.plt section.  Call increase_relro.
3628         * x86_64.cc (Target_x86_64::got_section): Likewise.
3629         * testsuite/relro_script_test.t: Add .got.plt.
3631         PR 10450
3632         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
3633         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
3634         (Layout::finalize): Call set_dynamic_symbol_size.
3635         (Layout::set_dynamic_symbol_size): New function.
3636         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
3637         set_dynamic_symbol_size.
3639         PR 10450
3640         * output.h (class Output_section): Add is_entsize_zero_ field.
3641         * output.cc (Output_section::Output_section): Initialize
3642         is_entsize_zero_.
3643         (Output_section::set_entsize): If two different entsizes are
3644         requested, force it to zero.
3645         (Output_section::add_input_section): Set flags for .debug_str
3646         before updating section flags.  Set entsize.
3647         (Output_section::update_flags_for_input_section): Set SHF_MERGE
3648         and SHF_STRING if all input sections have those flags.
3650 2009-12-29   Rafael Espindola  <espindola@google.com>
3652         * main.cc (main): Fix the sys time reporting.
3653         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
3654         reporting.
3656 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
3658         * options.cc (General_options::parse_version): Allow -v to exit
3659         without an error if there is nothing to link.
3661 2009-12-29  Ian Lance Taylor  <iant@google.com>
3663         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
3664         using a version of gcc before 4.1.
3665         * configure: Rebuild.
3667 2009-12-28  Chris Demetriou  <cgd@google.com>
3669         * attributes.cc (Output_attributes_section_data::do_write): Use
3670         std::vector::front rather than std::vector::data.
3672 2009-12-28  Ian Lance Taylor  <iant@google.com>
3674         * symtab.h (class Symbol_table): Add enum Defined.
3675         * resolve.cc (Symbol_table::should_override): Add defined
3676         parameter.  Change all callers.  Test whether object is NULL
3677         before calling a method on it.
3678         (Symbol_table::report_resolve_problem): Add defined parameter.
3679         Change all callers.
3680         (Symbol_table::should_override_with_special): Likewise.
3681         * symtab.cc (Symbol_table::define_in_output_data): Add defined
3682         parameter.  Change all callers.
3683         (Symbol_table::do_define_in_output_data): Likewise.
3684         (Symbol_table::define_in_output_segment): Likewise.
3685         (Symbol_table::do_define_in_output_segment): Likewise.
3686         (Symbol_table::define_as_constant): Likewise.
3687         (Symbol_table::do_define_as_constant): Likewise.
3688         * script.h (class Symbol_assignment): Add is_defsym parameter to
3689         constructor; change all callers.
3690         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
3691         parameter.  Change all callers.  Add is_defsym_ field.
3692         (class Parser_closure): Add parsing_defsym parameter to
3693         constructor; change all callers.  Add parsing_defsym accessor
3694         function.  Add parsing_defsym_ field.
3696 2009-12-28  Ian Lance Taylor  <iant@google.com>
3698         * gold.cc (queue_middle_tasks): Fix formatting.
3699         * object.cc (Relobj::is_section_name_included): Likewise.
3701 2009-12-23  Ian Lance Taylor  <iant@google.com>
3703         * i386.cc (Target_i386::do_calls_non_split): Recognize
3704         -fsplit-stack prologue for a function with a static chain.
3705         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
3706         -fsplit-stack prologue when using %r11.
3708 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
3710         * options.cc (General_options::parse_version): Make -v continue and do
3711         the link like GNU ld does.
3713 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
3715         * Makefile.am (CCFILES): Add timer.cc.
3716         (HFILES): Add timer.h.
3717         * configure.ac: Check for sysconf and times.
3718         * main.cc: include timer.h.
3719         (main): Use Timer instead of get_run_time.
3720         * timer.cc: New.
3721         * timer.h: New.
3722         * workqueue.cc: include timer.h.
3723         (Workqueue::find_and_run_task):
3724         Report user, sys and wall time.
3725         * Makefile.in: Regenerate.
3726         * config.in: Regenerate.
3727         * configure: Regenerate.
3729 2009-12-16  Doug Kwan  <dougkwan@google.com>
3731         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
3732         sections.
3733         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
3734         relaxed input sections.
3735         * output.cc (Output_section::find_relaxed_input_section): Change
3736         return type to Output_relaxed_input_section pointer.  Adjust code
3737         for new type of relaxed_input_section_map_.
3738         * output.h (Output_section::find_relaxed_input_section): Change
3739         return type to Output_relaxed_input_section pointer.
3740         (Output_section::Output_relaxed_input_section_by_input_section_map):
3741         New type.
3742         (Output_section::relaxed_input_section_map_): Change type to
3743         Output_section::Output_relaxed_input_section_by_input_section_map.
3744         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
3745         input section.
3747 2009-12-15  Ian Lance Taylor  <iant@google.com>
3749         * layout.cc (Layout::create_shstrtab): Only write out after input
3750         sections if we are compressing debug sections.
3752 2009-12-15  Ian Lance Taylor  <iant@google.com>
3754         * archive.cc (Archive::add_symbols): Only look up a symbol without
3755         a version if there is, in fact, a version.
3757 2009-12-14  Ian Lance Taylor  <iant@google.com>
3759         Revert -Wshadow changes, all changes from:
3760         2009-12-11  Doug Kwan  <dougkwan@google.com>
3761         2009-12-11  Nick Clifton  <nickc@redhat.com>
3762         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
3764 2009-12-11  Doug Kwan  <dougkwan@google.com>
3766         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
3767         due to -Wshadow.
3768         * attributes.cc (Object_attribute::size): Ditto.
3769         (Attributes_section_data::size): Ditto.
3770         (Attributes_section_data::Attributes_section_data): Ditto.
3771         (Output_attributes_section_data::do_write): Ditto.
3772         * attributes.h (Object_attribute::set_type): Ditto.
3773         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
3775 2009-12-11  Nick Clifton  <nickc@redhat.com>
3777         * archive.cc: Fix shadowed variable warnings.
3778         * arm.cc: Likewise.
3779         * compressed_output.cc: Likewise.
3780         * compressed_output.h: Likewise.
3781         * configure: Likewise.
3782         * dwarf_reader.cc: Likewise.
3783         * dynobj.cc: Likewise.
3784         * dynobj.h: Likewise.
3785         * ehframe.cc: Likewise.
3786         * ehframe.h: Likewise.
3787         * errors.cc: Likewise.
3788         * expression.cc: Likewise.
3789         * fileread.cc: Likewise.
3790         * fileread.h: Likewise.
3791         * freebsd.h: Likewise.
3792         * i386.cc: Likewise.
3793         * icf.cc: Likewise.
3794         * incremental.h: Likewise.
3795         * layout.cc: Likewise.
3796         * layout.h: Likewise.
3797         * mapfile.cc: Likewise.
3798         * merge.cc: Likewise.
3799         * merge.h: Likewise.
3800         * object.cc: Likewise.
3801         * object.h: Likewise.
3802         * options.h: Likewise.
3803         * output.cc: Likewise.
3804         * output.h: Likewise.
3805         * parameters.cc: Likewise.
3806         * plugin.cc: Likewise.
3807         * powerpc.cc: Likewise.
3808         * reduced_debug_output.cc: Likewise.
3809         * reduced_debug_output.h: Likewise.
3810         * reloc.cc: Likewise.
3811         * reloc.h: Likewise.
3812         * resolve.cc: Likewise.
3813         * script-sections.cc: Likewise.
3814         * script.cc: Likewise.
3815         * script.h: Likewise.
3816         * sparc.cc: Likewise.
3817         * symtab.cc: Likewise.
3818         * symtab.h: Likewise.
3819         * target-select.cc: Likewise.
3820         * target-select.h: Likewise.
3821         * token.h: Likewise.
3822         * workqueue.cc: Likewise.
3823         * workqueue.h: Likewise.
3824         * x86_64.cc: Likewise.
3826 2009-12-10  Doug Kwan  <dougkwan@google.com>
3828         * arm.cc (attributes.h): New include.
3829         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
3830         (Arm_relobj::~Arm_relobj): Delete object pointed by
3831         attributes_section_data_.
3832         (Arm_relobj::attributes_section_data): New method definition.
3833         (Arm_relobj::attributes_section_data_): New data member declaration.
3834         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
3835         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
3836         attributes_section_data_.
3837         (Arm_dynobj::attributes_section_data): New method definition.
3838         (Arm_dynobj::attributes_section_data_): New data member declaration.
3839         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
3840         initialization value of may_use_blx_ to false.
3841         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
3842         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
3843         object attributes to compute results instead of hard-coding.
3844         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
3845         Target_arm::get_secondary_compatible_arch,
3846         Target_arm::set_secondary_compatible_arch
3847         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3848         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
3849         New method declarations.
3850         (Target_arm::get_aeabi_object_attribute): New method definition.
3851         (Target_arm::attributes_section_data_): New data member declaration.
3852         (read_arm_attributes_section): New template definition.
3853         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
3854         (Arm_dynobj::do_read_symbols): Ditto.
3855         (Target_arm::do_finalize_sections): Merge attributes sections from
3856         input.  Check for BLX use after attributes section merging.
3857         Fix __exidx_start and __exidx_end visibility.  Create an
3858         .ARM.attributes section if necessary.
3859         (Target_arm::get_secondary_compatible_arch,
3860         Target_arm::set_secondary_compatible_arch,
3861         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3862         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
3863         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
3864         New method definitions.
3866 2009-12-09  Ian Lance Taylor  <iant@google.com>
3868         * plugin.cc (Plugin::load): Don't cast from void* to a function
3869         pointer.
3871 2009-12-09  Ian Lance Taylor  <iant@google.com>
3873         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
3874         information fields.
3876 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
3878         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
3879         Replace two_file_shared_1.so with two_file_shared_2.so.
3880         * testsuite/Makefile.in: Regenerated.
3882 2009-12-08  Doug Kwan  <dougkwan@google.com>
3884         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
3885         (HFILES): Add attributes.h and int_encoding.h.
3886         * Makefile.in: Regenerate.
3887         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
3888         function definitions to int_encoding.cc
3889         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
3890         prototypes to int_encoding.h
3891         * reduced_debug_output.cc (int_encoding.h): New include.
3892         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
3893         function definitions to int_encoding.cc
3894         (insert_into_vector, read_from_pointer): Move template definitions to
3895         int_encoding.h
3896         * attributes.cc: New file.
3897         * attributes.h: New file.
3898         * int_encoding.cc: New file.
3899         * int_encoding.h: New file.
3901 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
3903         PR gold/11055
3904         * incremental-dump.cc (dump_incremental_inputs): New.
3905         (main): Use dump_incremental_inputs.
3907 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
3909         PR gold/10893
3910         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
3911         checking elfcpp::STT_FUNC.
3912         (Target_i386::Relocate::relocate): Likewise.
3913         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3915         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
3916         symbols from shared libraries into normal FUNC symbols.
3918         * symtab.h (Symbol): Add is_func and use it.
3920 2009-12-05  Doug Kwan  <dougkwan@google.com>
3922         * arm.cc (Target_arm::arm_info): Initialize new fields
3923         attributes_section and attributes_vendor.
3924         * i386.cc (Target_i386::i386_info): Same.
3925         * object.cc (Sized_relobj::do_layout): Skip attribute section.
3926         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
3927         fields attributes_section and attributes_vendor.
3928         * sparc.cc (Target_sparc::sparc_info): Same.
3929         * target.h (Target::attributes_section, Target::attributes_vendor,
3930         Target::is_attributes_section, Target::attribute_arg_type,
3931         Target::attributes_order): New method definitions.
3932         (Target::Target_info::attributes_section,
3933         Target::Target_info::attributes_vendor): New fields.
3934         (Target::do_attribute_arg_type, Target::do_attributes_order): New
3935         virtual method definitions.
3936         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
3937         attributes_section and attributes_vendor.
3938         * testsuite/testfile.cc (Target_test::test_target_info): Same.
3940 2009-12-05  Doug Kwan  <dougkwan@google.com>
3942         * arm.cc: Update comments about interworking and stub generation.
3943         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
3944         considered as non-PIC.
3945         (Arm_relocate_functions::base_abs): Fix formatting.
3946         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
3947         of function to use GOT entry address instead of offset.
3948         (Target_arm::Scan::global): Issue an error if a symbol would need a
3949         PLT does not get one because it is untyped.  Remove code to create
3950         dynamic symbols for relative branches.
3951         (Target_arm::Relocate::relocate: Use 0 instead of false since function
3952         takes unsigned integer instead of boolean.
3954 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
3956         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
3957         (two_file_test_LDADD): Likewise.
3958         (common_test_1_LDADD): Likewise.
3959         (exception_test_LDADD) Likewise.
3960         (weak_test_LDADD): Likewise.
3961         (many_sections_test_LDADD): Likewise.
3962         (initpri1_LDADD): Likewise.
3963         (script_test_1_LDADD): Likewise.
3964         (script_test_2_LDADD): Likewise.
3965         (justsyms_LDADD): Likewise.
3966         (binary_test_LDADD): Likewise.
3967         (large_LDADD): Likewise.
3968         * testsuite/Makefile.in: Regenerated.
3970 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
3972         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
3973         (Symbol_table::override_with_special): Likewise.
3974         (Symbol_table::add_from_object): Likewise.
3976 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
3978         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3979         Don't set the data_offset twice.
3981 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
3983         * testsuite/Makefile.in: Regenerate.
3985 2009-12-03  Doug Kwan  <dougkwan@google.com>
3987         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
3988         (Target_arm::do_finalize_sections): Add parameter for symbol table
3989         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
3990         * i386.cc (Target_i386::do_finalize_sections): Add an additional
3991         parameter for symbol table pointer.
3992         * layout.cc (Layout::finalize): Call Target::finalize_sections with
3993         an additional parameter for a pointer to symbol table.
3994         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
3995         parameter for a symbol table pointer.
3996         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
3997         * target.h (Target::finalize_sections, Target::do_finalize_sections):
3998         Ditto.
3999         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
4000         parameter for a symbol table pointer.
4002 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
4004         * incremental.cc (Incremental_inputs_header)
4005         (Incremental_inputs_header_write, Incremental_inputs_entry)
4006         (Incremental_inputs_entry_write): Move ...
4007         * incremental.h (Incremental_inputs_header)
4008         (Incremental_inputs_header_write, Incremental_inputs_entry)
4009         (Incremental_inputs_entry_write): here.
4011 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4013         * incremental.cc (make_sized_incremental_binary): Set the target.
4014         Error if it is incompatible.
4015         * output.h (Output_file): Add filename method.
4017 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4019         * incremental.cc (Incremental_inputs_entry): Remove unused argument
4020         from the get_* methods.
4022 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4024         * incremental-dump.cc (main): Check that the offeset of a script is 0.
4025         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
4026         Write 0 for the data_offset of scripts.
4028 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
4030         * testsuite/Makefile.am: Add the incremental_test.sh test.
4031         * testsuite/incremental_test.sh: New.
4032         * testsuite/incremental_test_1.c: New.
4033         * testsuite/incremental_test_2.c: New.
4035 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
4037        * incremental-dump.cc (main): Fix typos.
4039 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
4041         PR gold/11025
4042         * incremental-dump.cc (main): Use llu to print 64 bit values.
4044 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
4045             H.J. Lu  <hongjiu.lu@intel.com>
4047         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4048         $(LIBDL).
4049         (incremental_dump_LDADD): Likewise.
4050         * Makefile.in: Regenerated.
4052 2009-11-25  Doug Kwan  <dougkwan@google.com>
4054         Revert:
4056         2009-11-25  Doug Kwan  <dougkwan@google.com>
4058                 * arm.cc (Target_arm::Target_arm): Move method definition
4059                 outside of class definition.  Add code to handle
4060                 --target1-rel, --target1-abs and --target2= options.
4061                 (Target_arm::get_reloc_reloc_type): Change method to be
4062                 non-static and const.
4063                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4064                 New data member declaration.
4065                 (Target_arm::Scan::local, Target_arm::Scan::global,
4066                 Target_arm::Relocate::relocate,
4067                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4068                 Adjust call to Target_arm::get_real_reloc_type.
4069                 (Target_arm::get_real_reloc_type): Use command line options
4070                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4071                 * options.h (--target1-rel, --target1-abs, --target2): New
4072                 ARM-only options.
4074 2009-11-25  Doug Kwan  <dougkwan@google.com>
4076         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4077         class definition.  Add code to handle --target1-rel, --target1-abs
4078         and --target2= options.
4079         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4080         and const.
4081         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4082         member declaration.
4083         (Target_arm::Scan::local, Target_arm::Scan::global,
4084         Target_arm::Relocate::relocate,
4085         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4086         call to Target_arm::get_real_reloc_type.
4087         (Target_arm::get_real_reloc_type): Use command line options to
4088         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4089         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4090         options.
4092 2009-11-25  Doug Kwan  <dougkwan@google.com>
4094         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4095         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4096         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4097         formatting.
4098         (Arm_relocate_functions::thm_call): Replace body with a call to
4099         Arm_relocate_functions::thumb_branch_common.
4100         (Arm_relocate_functions::thm_jump24,
4101         Arm_relocate_functions::thm_xpc22): New method definitions.
4102         (Arm_relocate_functions::thumb_branch_common): New method definition.
4103         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4104         operator.
4105         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4106         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4108 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4110         * Makefile.am: Build incremental-dump
4111         * Makefile.in: Regenerate.
4112         * incremental-dump.cc: New.
4113         * incremental.cc (Incremental_inputs_header_data,
4114         Incremental_inputs_entry_data): Move to incremental.h
4115         * incremental.h: (Incremental_inputs_header_data,
4116         Incremental_inputs_entry_data): Move from incremental.cc
4118 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4120         * incremental.cc (Incremental_inputs_header,
4121         Incremental_inputs_header_write, Incremental_inputs_entry,
4122         Incremental_inputs_entry_write): Add a typedef with the data type.
4124 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4126         * incremental.cc (Incremental_inputs_header,
4127         Incremental_inputs_header_write, Incremental_inputs_entry,
4128         Incremental_inputs_entry_write): Update comment about which
4129         type has the filed descriptions.
4131 2009-11-15  Doug Kwan  <dougkwan@google.com>
4133         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4134         (Arm_relocate_functions::arm_branch_common): Change method defintion
4135         in class definition to a method declaration and update list of formal
4136         parameters.
4137         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4138         Arm_relocation_functions::jump24): Adjust call to
4139         Arm_relocate_functions::arm_branch_common.  Update list of formal
4140         parameters.
4141         (Arm_relocate_functions::xpc25): New method definition.
4142         (Arm_relocate_functions::arm_branch_common): Move method defintion
4143         out from class definition.  Use stubs for mode-switching and extending
4144         branch ranges.
4145         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4146         specially.  Change code to enable use of stubs in ARM branches.
4148 2009-11-10  Doug Kwan  <dougkwan@google.com>
4150         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4151         in method declaration.
4152         (Target_arm::relocate_stub): New method declaration.
4153         (Target_arm::default_target): Change to return a pointer instead of
4154         a const reference.
4155         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4156         Target_arm::default_target.
4157         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4158         method definition.
4159         (Target_arm::relocate_section): Adjust view.
4160         (Target_arm::relocate_stub): New method definition.
4162 2009-11-10  Doug Kwan  <dougkwan@google.com>
4164         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4165         a format warning.
4166         * incremental.cc (open_incremental_binary): Initialized local
4167         variables to avoid warnings.
4168         * object.cc (make_elf_object): Ditto.
4169         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4170         a format warning.
4172 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4174         PR gold/10930
4175         * testsuite/plugin_test.c: Include "config.h".
4177 2009-11-09  Doug Kwan  <dougkwan@google.com>
4179         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4180         (arm_symbol_value): Remove.
4181         (Arm_relocate_functions::arm_branch_common,
4182         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4183         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4184         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4185         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4186         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4187         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4188         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4189         Arm_relocate_functions::thm_mobw_abs_nc,
4190         Arm_relocate_functions::thm_mov_abs,
4191         Arm_relocate_functions::movw_prel_nc,
4192         Arm_relocate_functions::thm_movt_abs,
4193         Arm_relocate_functions::movt_prel,
4194         Arm_relocate_functions::thm_movw_prel_nc,
4195         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4196         (Target_arm::Relocate::relocate): Only decompose address into two
4197         parts if relocation type uses the thumb-bit and pass the actual
4198         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4199         calls to methods in Arm_relocate_functions for this change.
4201 2009-11-08  Ian Lance Taylor  <iant@google.com>
4203         PR 10925
4204         * reloc.cc: Instantiate
4205         Sized_relobj::initialize_input_to_output_maps and
4206         Sized_relobj:free_input_to_output_maps.
4208 2009-11-06  Ian Lance Taylor  <iant@google.com>
4210         PR 10876
4211         * defstd.cc (in_segment): Set only_if_ref true for "end".
4213 2009-11-06  Doug Kwan  <dougkwan@google.com>
4215         * arm.cc (class Reloc_stub): Correct a comment.
4216         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4217         (Target_arm::scan_section_for_stubs): New method declaration.
4218         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4219         Change methods from private to protected.
4220         (Target_arm::do_may_relax): New method definition.
4221         (Target_arm::do_relax, Target_arm::group_sections,
4222         Target_arm::scan_reloc_for_stub,
4223         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4224         (Target_arm::arm_input_section_map_): New data member declaration.
4225         (Target_arm::scan_reloc_for_stub,
4226         Target_arm::scan_reloc_section_for_stubs,
4227         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4228         Target_arm::do_relax): New method definitions.
4230 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4232         * configure.ac: Check for (struct stat)::st_mtim
4233         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4234         * config.in: Regenerate.
4235         * configure: Regenerate.
4237 2009-11-05  Ian Lance Taylor  <iant@google.com>
4239         PR 10910
4240         * output.cc (Output_segment::add_output_section): Add missing
4241         return statement.
4243 2009-11-04  Ian Lance Taylor  <iant@google.com>
4245         PR 10880
4246         * object.h (class Object): Add is_needed and set_is_needed
4247         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4248         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4249         defined in a dynamic object and referenced by a regular object,
4250         set is_needed for the dynamic object.
4251         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4252         if the file is marked with as_needed and it is not needed.
4254 2009-11-04  Ian Lance Taylor  <iant@google.com>
4256         PR 10887
4257         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4258         tags if data is discarded by linker script.
4259         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4260         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4261         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4262         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4264 2009-11-04  Ian Lance Taylor  <iant@google.com>
4266         * layout.cc (Layout::get_output_section): Add is_interp and
4267         is_dynamic_linker_section parameters.  Change all callers.
4268         (Layout::choose_output_section): Likewise.
4269         (Layout::make_output_section): Likewise.
4270         (Layout::add_output_section_data): Add is_dynamic_linker_section
4271         parameter.  Change all callers.
4272         * layout.h (class Layout): Update declarations.
4273         * output.h (class Output_section): Add is_interp, set_is_interp,
4274         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4275         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4276         generate_code_fills_at_write_ to a bitfield.
4277         * output.cc (Output_section::Output_sections): Initialize new
4278         fields.
4279         (Output_segment::add_output_section): Add do_sort parameter.
4280         Change all callers.
4282 2009-11-03  Ian Lance Taylor  <iant@google.com>
4284         PR 10860
4285         * options.h (class General_options): Add --warn-common.
4286         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4287         merging two common symbols.
4288         (Symbol_table::should_override): Handle --warn-common when merging
4289         a common symbol with a defined symbol.  Use report_resolve_problem
4290         for multiple definitions.
4291         (Symbol_table::report_resolve_problem): New function.
4292         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4294 2009-11-03  Doug Kwan  <dougkwan@google.com>
4296         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4297         stub_factory_.
4298         (Target_arm::stub_factory): New method definition.
4299         (Target_arm::new_arm_input_section,
4300         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4301         Target_arm::reloc_uses_thumb_bit): New method declarations.
4302         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4303         New type definitions.
4304         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4305         member declarations.
4306         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4307         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4308         New method definitions.
4310 2009-11-03  Ian Lance Taylor  <iant@google.com>
4312         * options.h (class General_options): Add --warn_constructors.
4314 2009-11-03  Ian Lance Taylor  <iant@google.com>
4316         PR 10893
4317         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4318         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4320 2009-11-03  Ian Lance Taylor  <iant@google.com>
4322         PR 10895
4323         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4324         --msgid-bugs-address.
4325         (install-pdf): New target.
4326         (install-data_yes): Look up one directory to find mkinstalldirs.
4328 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4330         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4331         tree.
4333 2009-10-30  Doug Kwan  <dougkwan@google.com>
4335         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4337 2009-10-30  Doug Kwan  <dougkwan@google.com>
4339         * arm.cc (Stub_addend_reader): New struct template definition
4340         and partial specializations.
4341         (Stub_addend_reader::operator()): New method definition for a
4342         partially specialized template.
4344 2009-10-30  Doug Kwan  <dougkwan@google.com>
4346         * arm.cc (Arm_relobj::processor_specific_flags): New method
4347         definition.
4348         (Arm_relobj::do_read_symbols): New method declaration.
4349         (Arm_relobj::processor_specific_flags_): New data member declaration.
4350         (Arm_dynobj): New class definition.
4351         (Target_arm::do_finalize_sections): Add input_objects parameter.
4352         (Target_arm::do_adjust_elf_header): New method declaration.
4353         (Target_arm::are_eabi_versions_compatible,
4354         (Target_arm::merge_processor_specific_flags): New method declaration.
4355         (Target_arm::do_make_elf_object): New overloaded method definitions
4356         and declaration.
4357         (Arm_relobj::do_read_symbols): New method definition.
4358         (Arm_dynobj::do_read_symbols): Ditto.
4359         (Target_arm::do_finalize_sections): Add input_objects parameters.
4360         Merge processor-specific flags from all input objects.
4361         (Target_arm::are_eabi_versions_compatible,
4362         Target_arm::merge_processor_specific_flags,
4363         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4364         New method definitions.
4365         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4366         Input_objects pointer type parameter.
4367         * layout.cc (Layout::finalize): Pass input objects to target's.
4368         finalize_sections function.
4369         * output.cc (Output_file_header::do_sized_write): Set ELF file
4370         header's processor-specific flags.
4371         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4372         Input_objects pointer type parameter.
4373         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4374         * target.h (Input_objects): New forward class declaration.
4375         (Target::processor_specific_flags,
4376         Target::are_processor_specific_flags_sect): New method definitions.
4377         (Target::finalize_sections): Add input_objects parameter.
4378         (Target::Target): Initialize processor_specific_flags_ and
4379         are_processor_specific_flags_set_.
4380         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4381         parameter.
4382         (Target::set_processor_specific_flags): New method definition.
4383         (Target::processor_specific_flags_,
4384         Target::are_processor_specific_flags_set_): New data member
4385         declarations.
4386         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4387         Input_objects pointer type parameter.
4389 2009-10-30  Doug Kwan  <dougkwan@google.com>
4391         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4393 2009-10-28  Ian Lance Taylor  <iant@google.com>
4395         * object.h (class Relobj): Drop options parameter from
4396         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4397         do_scan_relocs, do_relocate.  Change all callers.
4398         (class Sized_relobj): Drop options parameters from
4399         do_gc_process_relocs, do_scan_relocs, do_relocate,
4400         do_relocate_sections, relocate_sections, emit_relocs_scan,
4401         emit_relocs_scan_reltype.  Change all callers.
4402         (struct Relocate_info): Remove options field and all references to
4403         it.
4404         * reloc.h (class Read_relocs): Remove options constructor
4405         parameter and options_ field.  Change all callers.
4406         (class Gc_process_relocs, class Scan_relocs): Likewise.
4407         (class Relocate_task): Likewise.
4408         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4409         all callers.
4410         (scan_relocatable_relocs): Likewise.
4411         * target.h (class Sized_target): Remove options parameter from
4412         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4413         all callers.
4414         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4415         callers.
4416         * arm.cc: Update functions to remove options parameters.
4417         * i386.cc: Likewise.
4418         * powerpc.cc: Likewise.
4419         * sparc.cc: Likewise.
4420         * x86_64.cc: Likewise.
4421         * testsuite/testfile.cc: Likewise.
4423 2009-10-28  Doug Kwan  <dougkwan@google.com>
4425         * arm.cc (Arm_relobj): New class definition.
4426         (Arm_relobj::scan_sections_for_stubs,
4427         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4428         New method definitions.
4430 2009-10-28  Cary Coutant  <ccoutant@google.com>
4432         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4433         (Plugin::cleanup_done_): New member.
4434         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4435         (Plugin_manager::cleanup_done_): Remove.
4436         (Plugin_manager::add_input_file): Edit error message.
4437         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4438         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4440 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4442         * fileread.cc: (File_read::View::~View): Use the new
4443         data_ownership_ filed.
4444         (File_read::~File_read): Dispose the new whole_file_view_.
4445         (File_read::open): Mmap the whole file if needed.
4446         (File_read::open): Use whole_file_view_ instead of contents_.
4447         (File_read::find_view): Use whole_file_view_ if applicable.
4448         (File_read::do_read): Use whole_file_view_ instead of contents_.
4449         (File_read::make_view): Use whole_file_view_ instead of contents_,
4450         update File_read::View::View call.
4451         (File_read::find_or_make_view): Update File_read::View::View
4452         call.
4453         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4454         remove contents_
4455         (File_read::View::Data_ownership): New enum.
4456         (File_read::View::View): Replace bool mapped_ with Data_ownership
4457         argument.
4458         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4459         (File_read::View::data_ownership_): New field.
4460         (File_read::contents_): Remove (replaced by whole_file_view_).
4461         (File_read::whole_file_view_): New field.
4462         * options.h (class General_options): Add --keep-files-mapped.
4464 2009-10-27  Cary Coutant  <ccoutant@google.com>
4466         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4467         * testsuite/Makefile.am (plugin_test_5): New test case.
4468         * testsuite/Makefile.in: Regenerate.
4470 2009-10-25  Doug Kwan  <dougkwan@google.com>
4472         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4473         from private to protected to allow access by child class.
4474         (Sized_relobj::do_relocate_sections): New method declaration.
4475         (Sized_relobj::relocate_sections): Virtualize.
4476         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4477         Sized_relobj::relocate_sections.  Instantiate template explicitly
4478         for different target sizes and endianity.
4480 2009-10-24  Doug Kwan  <dougkwan@google.com>
4482         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4483         (Arm_input_section::as_arm_input_section): New method.
4484         (Arm_output_section): New class definition.
4485         (Arm_output_section::create_stub_group,
4486         Arm_output_section::group_sections): New method definitions.
4488 2009-10-22  Doug Kwan  <dougkwan@google.com>
4490         * arm.cc (Arm_input_section): New class definition.
4491         (Arm_input_section::init, Arm_input_section:do_write,
4492         Arm_input_section::set_final_data_size,
4493         Arm_input_section::do_reset_address_and_file_offset): New method
4494         definitions.
4496 2009-10-21  Doug Kwan  <dougkwan@google.com>
4498         * arm.cc (Stub_table, Arm_input_section): New forward class
4499         declarations.
4500         (Stub_table): New class defintion.
4501         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4502         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4503         New method definition.
4505 2009-10-21  Doug Kwan  <dougkwan@google.com>
4507         * arm.cc: Update copyright comments.
4508         (Target_arm): New forward class template declaration.
4509         (Arm_address): New type.
4510         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4511         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4512         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4513         constants.
4514         (Insn_template): Same.
4515         (DEF_STUBS): New macro.
4516         (Stub_type): New enum type.
4517         (Stub_template): New class definition.
4518         (Stub): Same.
4519         (Reloc_stub): Same.
4520         (Stub_factory): Same.
4521         (Target_arm::Target_arm): Initialize may_use_blx_ and
4522         should_force_pic_veneer_.
4523         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4524         Target_arm::should_force_pic_veneer,
4525         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4526         Target_arm::using_thumb_only, Target_arm:;default_target): New
4527         method defintions.
4528         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4529         New data member declarations.
4530         (Insn_template::size, Insn_template::alignment): New method defintions.
4531         (Stub_template::Stub_template): New method definition.
4532         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4533         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4534         (Stub_factory::Stub_factory): New method definition.
4535         * gold.h (string_hash): New template.
4536         * output.h (Input_section_specifier::hash_value): Use
4537         gold::string_hash.
4538         (Input_section_specifier::string_hash): Remove.
4539         * stringpool.cc (Stringpool_template::string_hash): Use
4540         gold::string_hash.
4542 2009-10-20  Doug Kwan  <dougkwan@google.com>
4544         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4545         symbols of relaxed input sections.
4546         * output.h (Output_section::find_relaxed_input_section): Make
4547         method public.
4549 2009-10-16  Doug Kwan  <dougkwan@google.com>
4551         * dynobj.cc (Versions::Versions): Initialize version_script_.
4552         Only insert base version symbol definition for a shared object
4553         if version script defines any version versions.
4554         (Versions::define_base_version): New method definition.
4555         (Versions::add_def): Check that base version is not needed.
4556         (Versions::add_need): Define base version lazily.
4557         * dynobj.h (Versions::define_base_version): New method declaration.
4558         (Versions::needs_base_version_): New data member declaration.
4559         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
4560         (check_DATA): Add no_version_test.stdout.
4561         (libno_version_test.so, no_version_test.o no_version_test.stdout):
4562         New make rules.
4563         * testsuite/Makefile.in: Regenerate.
4564         * testsuite/no_version_test.c: New file.
4565         * testsuite/no_version_test.sh: Ditto.
4567 2009-10-16  Doug Kwan  <dougkwan@google.com>
4569         * expression.cc (class Segment_start_expression): New class definition.
4570         (Segment_start_expression::value): New method definition.
4571         (script_exp_function_segment_start): Return a new
4572         Segment_start_expression.
4573         * gold/script-c.h (script_saw_segment_start_expression): New function
4574         prototype.
4575         * script-sections.cc (Script_sections::Script_sections): Initialize
4576         SAW_SEGMENT_START_EXPRESSION_ to false.
4577         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
4578         and -Tbbs options to specify section addresses if given in
4579         command line and no SEGMENT_START expression is seen in a script.
4580         * script-sections.h (Script_sections::saw_segment_start_expression,
4581         Script_sections::set_saw_segment_start_expression): New method
4582         definition.
4583         (Script_sections::saw_segment_start_expression_): New data member
4584         declaration.
4585         * script.cc (script_saw_segment_start_expression): New function.
4586         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
4587         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
4588         script_test_7.sh and script_test_8.sh.
4589         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
4590         script_test_8.stdout.
4591         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
4592         (script_test_6, script_test_6.stdout, script_test_7,
4593         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
4594         * Makefile.in: Regenerate.
4595         * testsuite/script_test_6.sh: New file.
4596         * testsuite/script_test_6.t: Same.
4597         * testsuite/script_test_7.sh: Same.
4598         * testsuite/script_test_7.t: Same.
4599         * testsuite/script_test_8.sh: Same.
4601 2009-10-16  Doug Kwan  <dougkwan@google.com>
4603         * output.cc (Output_segment::set_section_list_address): Cast
4604         expressions to unsigned long long type to avoid format warnings.
4606 2009-10-15  Ian Lance Taylor  <iant@google.com>
4608         * script.cc (Script_options::add_symbol_assignment): Always add a
4609         dot assignment to script_sections_.
4610         * script-sections.cc (Script_sections::add_dot_assignment):
4611         Initialize if necessary.
4613         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
4614         program headers with no load segment if there is a linker script.
4616         * layout.cc (Layout::set_segment_offsets): Align the file offset
4617         to the segment aligment for -N or -n with no load segment.
4618         * output.cc (Output_segment::add_output_section): Don't crash if
4619         the first section is a TLS section.
4620         (Output_segment::set_section_list_addresses): Print an error
4621         message if the address moves backward in a linker script.
4622         * script-sections.cc
4623         (Output_section_element_input::set_section_addresses): Don't
4624         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
4625         (Orphan_output_section::set_section_addresses): Likewise.
4627 2009-10-15  Doug Kwan  <dougkwan@google.com>
4629         * layout.cc (Layout::finish_dynamic_section): Generate tags
4630         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
4631         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
4632         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
4634 2009-10-14  Ian Lance Taylor  <iant@google.com>
4636         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
4637         fields.
4638         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
4639         data_shdr fields of relinfo.
4640         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
4641         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
4642         R_386_TLS_LDO_32, adjust based on section flags.
4643         (Target_i386::Relocate::fix_up_ldo): Remove.
4645 2009-10-13  Ian Lance Taylor  <iant@google.com>
4647         Add support for -pie.
4648         * options.h (class General_options): Add -pie and
4649         --pic-executable.
4650         (General_options::output_is_position_independent): Test -pie.
4651         (General_options::output_is_executable): Return true if not shared
4652         and not relocatable.
4653         (General_options::output_is_pie): Remove.
4654         * options.cc (General_options::finalize): Reject incompatible uses
4655         of -pie.
4656         * gold.cc (queue_middle_tasks): A -pie link is not static.
4657         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
4658         * symtab.cc (Symbol::final_value_is_known): Return false if
4659         output_is_position_independent.
4660         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
4661         output_is_position_independent.
4662         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
4663         output_is_position_independent.
4664         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
4665         output_is_position_independent.
4666         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
4667         two_file_pie_test.
4668         (basic_pie_test.o, basic_pie_test): New targets.
4669         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
4670         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
4671         (two_file_pie_test): New target.
4672         * testsuite/Makefile.in: Rebuild.
4673         * README: Remove note saying that -pie is not supported.
4675 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4677         * options.h (class General_options): Add -init and -fini.
4678         * layout.cc (Layout::finish_dynamic_section): Emit
4679         given init and fini functions.
4681 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
4683         * gc.h (gc_process_relocs): Check if icf is enabled using new
4684         function.
4685         * gold.cc (queue_initial_tasks): Likewise.
4686         (queue_middle_tasks): Likewise.
4687         * object.cc (do_layout): Likewise.
4688         * symtab.cc (is_section_folded): Likewise.
4689         * main.cc (main): Likewise.
4690         * reloc.cc (Read_relocs::run): Likewise.
4691         (Sized_relobj::do_scan_relocs): Likewise.
4692         * icf.cc (is_function_ctor_or_dtor): New function.
4693         (Icf::find_identical_sections): Check if function is ctor or dtor when
4694         safe icf is chosen.
4695         * options.h (General_options::icf): Change option to be an enum.
4696         (Icf_status): New enum.
4697         (icf_enabled): New method.
4698         (icf_safe_folding): New method.
4699         (set_icf_status): New method.
4700         (icf_status_): New variable.
4701         * (options.cc) (General_options::finalize): Set icf_status_.
4702         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
4703         icf_test and icf_keep_unique_test to use the --icf enum flag.
4704         * testsuite/icf_safe_test.sh: New file.
4705         * testsuite/icf_safe_test.cc: New file.
4707 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
4709         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
4710         includes to gc.h and icf.h.
4711         * arm.cc: Include gc.h.
4712         * gold.cc: Likewise.
4713         * i386.cc: Likewise.
4714         * powerpc.cc: Likewise.
4715         * sparc.cc: Likewise.
4716         * x86_64.cc: Likewise.
4717         * gc.h: Include icf.h.
4719 2009-10-11  Ian Lance Taylor  <iant@google.com>
4721         * plugin.cc: Include "gold.h" before other header files.
4723 2009-10-10  Chris Demetriou  <cgd@google.com>
4725         * options.h (Input_file_argument::Input_file_type): New enum.
4726         (Input_file_argument::is_lib_): Replace with...
4727         (Input_file_argument::type_): New member.
4728         (Input_file_argument::Input_file_argument): Take Input_file_type
4729         'type' rather than boolean 'is_lib' as second argument.
4730         (Input_file_argument::is_lib): Use type_.
4731         (Input_file_argument::is_searched_file): New function.
4732         (Input_file_argument::may_need_search): Handle is_searched_file.
4733         * options.cc (General_options::parse_library): Support -l:filename.
4734         (General_options::parse_just_symbols): Update for Input_file_argument
4735         changes.
4736         (Command_line::process): Likewise.
4737         * archive.cc (Archive::get_file_and_offset): Likewise.
4738         * plugin.cc (Plugin_manager::release_input_file): Likewise.
4739         * script.cc (read_script_file, script_add_file): Likewise.
4740         * fileread.cc (Input_file::Input_file): Likewise.
4741         (Input_file::will_search_for): Handle is_searched_file.
4742         (Input_file::open): Likewise.
4743         * readsyms.cc (Read_symbols::get_name): Likewise.
4744         * testsuite/Makefile.am (searched_file_test): New test.
4745         * testsuite/Makefile.in: Regenerate.
4746         * testsuite/searched_file_test.cc: New file.
4747         * testsuite/searched_file_test_lib.cc: New file.
4749 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4750             Ian Lance Taylor  <iant@google.com>
4752         * descriptor.cc: Include <cstdio> and "binary-io.h".
4753         (Descriptors::open): Open the files in binary mode always.
4754         * script.cc (Lex::get_token): Treat \r as whitespace.
4756 2009-10-09  Ian Lance Taylor  <iant@google.com>
4758         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
4760 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4761             Ian Lance Taylor  <iant@google.com>
4763         * configure.ac: Check for readv function also.
4764         * fileread.cc (readv): Define if not HAVE_READV.
4765         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
4766         does not exist.
4767         * config.in: Regenerate.
4768         * configure: Regenerate.
4770 2009-10-09  Doug Kwan  <dougkwan@google.com>
4772         * layout.cc (Layout::make_output_section): Call target hook to make
4773         ordinary output section.
4774         (Layout::finalize): Adjust parameter list of call the
4775         Target::may_relax().
4776         * layout.h (class Layout::section_list): New method.
4777         * merge.h (Output_merge_base::entsize): Change visibility to public.
4778         (Output_merge_base::is_string, Output_merge_base::do_is_string):
4779         New methods.
4780         (Output_merge_string::do_is_string): New method.
4781         * object.cc (Sized_relobj::do_setup): renamed from
4782         Sized_relobj::set_up.
4783         * object.h (Sized_relobj::adjust_shndx,
4784         Sized_relobj::initializ_input_to_output_maps,
4785         Sized_relobj::free_input_to_output_maps): Change visibilities to
4786         protected.
4787         (Sized_relobj::setup): Virtualize.
4788         (Sized_relobj::do_setup): New method declaration.
4789         (Sized_relobj::invalidate_section_offset,
4790         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
4791         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
4792         * options.cc (parse_int): New function.
4793         * options.h (parse_int): New declaration.
4794         (DEFINE_int): New macro.
4795         (stub_group_size): New option.
4796         * output.cc (Output_section::Output_section): Initialize memebers
4797         merge_section_map_, merge_section_by_properties_map_,
4798         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
4799         (Output_section::add_input_section): Handled deferred code-fill
4800         generation and remove an old comment.
4801         (Output_section::add_relaxed_input_section): New method definition.
4802         (Output_section::add_merge_input_section): Use merge section by
4803         properties map to speed to search.  Update merge section maps
4804         as appropriate.
4805         (Output_section::build_relaxation_map): New method definition.
4806         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4807         Same.
4808         (Output_section::relax_input_section): Renamed to
4809         Output_section::convert_input_sections_to_relaxed_sections and change
4810         interface to take a vector of pointers to relaxed sections.
4811         (Output_section::find_merge_section,
4812         Output_section::find_relaxed_input_section): New method definitions.
4813         (Output_section::is_input_address_mapped,
4814         Output_section::output_offset, Output_section::output_address):
4815         Use output section data maps to speed up searching.
4816         (Output_section::find_starting_output_address): Add comments.
4817         (Output_section::do_write,
4818         Output_section::write_to_postprocessing_buffer): Do code-fill
4819         generation as appropriate.
4820         (Output_section::get_input_sections): Invalidate relaxed input section
4821         map.
4822         (Output_section::restore_states): Adjust type of checkpoint .
4823         Invalidate relaxed input section map.
4824         * output.h (Output_merge_base): New class declaration.
4825         (Input_section_specifier): New class defintion.
4826         (class Output_relaxed_input_section) Change base class to
4827         Output_section_data_build.
4828         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
4829         base class initializer.
4830         (Output_section::add_relaxed_input_section): New method declaration.
4831         (Output_section::Input_section): Change visibility to protected.
4832         (Output_section::Input_section::relobj,
4833         Output_section::Input_section::shndx): Handle relaxed input sections.
4834         Output_section::input_sections) Change visibility to protected.  Also
4835         define overload to return a non-const pointer.
4836         (Output_section::Merge_section_properties): New class defintion.
4837         (Output_section::Merge_section_by_properties_map,
4838         Output_section::Output_section_data_by_input_section_map,
4839         Output_section::Relaxation_map): New types.
4840         (Output_section::relax_input_section): Rename method to
4841         Output_section::convert_input_sections_to_relaxed_sections and change
4842         interface to take a vector of relaxed section pointers.
4843         (Output_section::find_merge_section,
4844         Output_section::find_relaxed_input_section,
4845         Output_section::build_relaxation_map,
4846         Output_section::convert_input_sections_in_list_to_relaxed_sections):
4847         New method declarations.
4848         (Output_section::merge_section_map_
4849         Output_section::merge_section_by_properties_map_,
4850         Output_section::relaxed_input_section_map_,
4851         Output_section::is_relaxed_input_section_map_valid_,
4852         Output_section::generate_code_fills_at_write_): New data members.
4853         * script-sections.cc
4854         (Output_section_element_input::set_section_addresses): Call
4855         current_data_size and addralign methods of relaxed input sections.
4856         (Orphan_output_section::set_section_addresses): Call current_data_size
4857         and addralign methods of relaxed input sections.
4858         * symtab.cc (Symbol_table::compute_final_value): Extract template
4859         from the body of Symbol_table::sized_finalize_symbol.
4860         (Symbol_table::sized_finalized_symbol): Call
4861         Symbol_table::compute_final_value.
4862         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
4863         (Symbol_table::compute_final_value): New templated method declaration.
4864         * target.cc (Target::do_make_output_section): New method defintion.
4865         * target.h (Target::make_output_section): New method declaration.
4866         (Target::relax): Add more parameters for input objects, symbol table
4867         and layout.  Adjust call to do_relax.
4868         (Target::do_make_output_section): New method declaration.
4869         (Target::do_relax): Add parameters for input objects, symbol table
4870         and layout.
4872 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4874         * pread.c: Include stdio.h.
4876 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4878         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
4879         defined.
4881 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4883         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4884         Change read_shndx type to unsigned int.
4885         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4886         int.
4887         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4888         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
4889         Change read_shndx type to unsigned int.
4890         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4891         int.
4892         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4893         * layout.cc (Layout::create_symtab_sections): Cast the result of
4894         local_symcount * symsize to off_t in the gold_assert.
4896 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4898         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
4899         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
4900         R_ARM_BASE_ABS.
4901         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
4902         (Arm_relocate_functions::thm_abs5): New function.
4903         (Arm_relocate_functions::abs12): New function.
4904         (Arm_relocate_functions::abs16): New function.
4905         (Arm_relocate_functions::base_abs): New function.
4906         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
4907         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
4908         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
4909         R_ARM_BASE_ABS.
4910         (Scan::global): Likewise.
4911         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
4912         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
4913         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
4914         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
4915         R_ARM_BASE_ABS.
4917 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4919         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
4920         (Arm_relocate_functions::movt_prel): New function.
4921         (Arm_relocate_functions::thm_movw_prel_nc): New function.
4922         (Arm_relocate_functions::thm_movt_prel): New function.
4923         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
4924         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
4925         (Scan::global, Relocate::relocate): Likewise.
4926         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4928 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4930         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
4931         Incremental_checker.
4932         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
4933         unsigned int.
4934         (class Incremental_inputs_header): New class.
4935         (Incremental_inputs_header_writer): Edit comment.
4936         (Incremental_inputs_entry): New class.
4937         (Incremental_inputs_entry_writer): Edit comment.
4938         (Sized_incremental_binary::do_find_incremental_inputs_section):
4939         Add *strtab_shndx parameter, fill it.
4940         (Sized_incremental_binary::do_check_inputs): New method.
4941         (Incremental_checker::can_incrementally_link_output_file): Use
4942         Sized_incremental_binary::check_inputs.
4943         (Incremental_inputs::report_command_line): Save command line in
4944         command_line_.
4945         * incremental.h:
4946         (Incremental_binary::find_incremental_inputs_section): New
4947         method.
4948         (Incremental_binary::do_find_incremental_inputs_section): Add
4949         strtab_shndx parameter.
4950         (Incremental_binary::do_check_inputs): New pure virtual method.
4951         (Sized_incremental_binary::do_check_inputs): Declare.
4952         (Incremental_checker::Incremental_checker): Add incremental_inputs
4953         parameter, use it to initialize incremental_inputs_.
4954         (Incremental_checker::incremental_inputs_): New field.
4955         (Incremental_checker::command_line): New method.
4956         (Incremental_checker::inputs): New method.
4957         (Incremental_checker::command_line_): New field.
4959 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4961         * incremental.cc: Include <cstdarg> and "target-select.h".
4962         (vexplain_no_incremental): New function.
4963         (explain_no_incremental): New function.
4964         (Incremental_binary::error): New method.
4965         (Sized_incremental_binary::do_find_incremental_inputs_section): New
4966         method.
4967         (make_sized_incremental_binary): New function.
4968         (open_incremental_binary): New function.
4969         (can_incrementally_link_file): Add checks if output is ELF and has
4970         inputs section.
4971         * incremental.h: Include "elfcpp_file.h" and "output.h".
4972         (Incremental_binary): New class.
4973         (Sized_incremental_binary): New class.
4974         (open_incremental_binary): Declare.
4975         * object.cc (is_elf_object): Use
4976         elfcpp::Elf_recognizer::is_elf_file.
4977         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
4978         * output.h (Output_file::filesize): New method.
4980 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4982         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
4983         New function.
4984         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
4985         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
4986         function.
4987         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
4988         function.
4989         (Arm_relocate_functions::movw_abs_nc): New function.
4990         (Arm_relocate_functions::movt_abs): New function.
4991         (Arm_relocate_functions::thm_movw_abs_nc): New function.
4992         (Arm_relocate_functions::thm_movt_abs): New function.
4993         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
4994         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
4995         (Scan::global): Likewise.
4996         (Relocate::relocate): Likewise.
4997         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4999 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5001         * arm.cc (Arm_relocate_functions::got_prel) New function.
5002         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
5003         (Relocate::relocate): Likewise.
5004         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5006 2009-10-06  Ian Lance Taylor  <iant@google.com>
5008         * options.h (class General_options): Define
5009         split_stack_adjust_size parameter.
5010         * object.h (class Object): Add uses_split_stack_ and
5011         has_no_split_stack_ fields.  Add uses_split_stack and
5012         has_no_split_stack accessor functions.  Declare
5013         handle_split_stack_section.
5014         (class Reloc_symbol_changes): Define.
5015         (class Sized_relobj): Define Function_offsets.  Declare
5016         split_stack_adjust, split_stack_adjust_reltype, and
5017         find_functions.
5018         * object.cc (Object::handle_split_stack_section): New function.
5019         (Sized_relobj::do_layout): Call handle_split_stack_section.
5020         * dynobj.cc (Sized_dynobj::do_layout): Call
5021         handle_split_stack_section.
5022         * reloc.cc (Sized_relobj::relocate_sections): Call
5023         split_stack_adjust for executable sections in split_stack
5024         objects.  Pass reloc_map to relocate_section.
5025         (Sized_relobj::split_stack_adjust): New function.
5026         (Sized_relobj::split_stack_adjust_reltype): New function.
5027         (Sized_relobj::find_functions): New function.
5028         * target-reloc.h: Include "object.h".
5029         (relocate_section): Add reloc_symbol_changes parameter.  Change
5030         all callers.
5031         * target.h (class Target): Add calls_non_split method.  Declare
5032         do_calls_non_split virtual method.  Declare match_view and
5033         set_view_to_nop.
5034         * target.cc: Include "elfcpp.h".
5035         (Target::do_calls_non_split): New function.
5036         (Target::match_view): New function.
5037         (Target::set_view_to_nop): New function.
5038         * gold.cc (queue_middle_tasks): Give an error if mixing
5039         split-stack and non-split-stack objects with -r.
5040         * i386.cc (Target_i386::relocate_section): Add
5041         reloc_symbol_changes parameter.
5042         (Target_i386::do_calls_non_split): New function.
5043         * x86_64.cc (Target_x86_64::relocate_section): Add
5044         reloc_symbol_changes parameter.
5045         (Target_x86_64::do_calls_non_split): New function.
5046         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5047         parameter.
5048         * powerpc.cc (Target_powerpc::relocate_section): Add
5049         reloc_symbol_changes parameter.
5050         * sparc.cc (Target_sparc::relocate_section): Add
5051         reloc_symbol_changes parameter.
5052         * configure.ac: Call AM_CONDITIONAL for the default target.
5053         * configure: Rebuild.
5054         * testsuite/Makefile.am (TEST_AS): New variable.
5055         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5056         (check_DATA): Add split_i386 and split_x86_64 files.
5057         (SPLIT_DEFSYMS): Define.
5058         (split_i386_[1234n].o): New targets.
5059         (split_i386_[124]): New targets.
5060         (split_i386_[1234r].stdout): New targets.
5061         (split_x86_64_[1234n].o): New targets.
5062         (split_x86_64_[124]): New targets.
5063         (split_x86_64_[1234r].stdout): New targets.
5064         (MOSTLYCLEANFILES): Add new executables.
5065         * testsuite/split_i386.sh: New file.
5066         * testsuite/split_x86_64.sh: New file.
5067         * testsuite/split_i386_1.s: New file.
5068         * testsuite/split_i386_2.s: New file.
5069         * testsuite/split_i386_3.s: New file.
5070         * testsuite/split_i386_4.s: New file.
5071         * testsuite/split_i386_n.s: New file.
5072         * testsuite/split_x86_64_1.s: New file.
5073         * testsuite/split_x86_64_2.s: New file.
5074         * testsuite/split_x86_64_3.s: New file.
5075         * testsuite/split_x86_64_4.s: New file.
5076         * testsuite/split_x86_64_n.s: New file.
5077         * testsuite/testfile.cc (Target_test): Update relocation_section
5078         function.
5079         * testsuite/Makefile.in: Rebuild.
5081 2009-10-06  Ian Lance Taylor  <iant@google.com>
5083         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5084         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5085         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5086         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5087         the address on ldo_addrs_.
5088         (Target_i386::Relocate::fix_up_ldo): New function.
5090 2009-10-06   Rafael Espindola  <espindola@google.com>
5092         * plugin.cc (add_input_library): New.
5093         (Plugin::load): Add add_input_library to tv.
5094         (Plugin_manager::add_input_file): Add the is_lib argument.
5095         (add_input_file): Update call to Plugin_manager::add_input_file.
5096         (add_input_library): New.
5097         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5099 2009-09-30  Doug Kwan  <dougkwan@google.com>
5101         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5102         symbol and call Symbol::may_need_copy_reloc to determine if
5103         a copy reloc is needed.
5104         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5105         nocopyreloc is given in command line.
5106         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5107         given in command line.
5108         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5109         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5110         of the removed Target_i386::may_need_copy_reloc.
5111         * options.h (copyreloc): New option with default value false.
5112         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5113         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5114         instead of the removed Target_powerpc::may_need_copy_reloc.
5115         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5116         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5117         instead of the removed Target_sparc::may_need_copy_reloc.
5118         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5119         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5120         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5121         instead of the removed Target_x86_64::may_need_copy_reloc.
5123 2009-09-30  Ian Lance Taylor  <iant@google.com>
5125         * object.h (class Object): Remove target_ field, and target,
5126         sized_target, and set_target methods.
5127         (Object::sized_target): Remove.
5128         (class Sized_relobj): Update declarations.  Remove sized_target.
5129         * object.cc (Sized_relobj::setup): Remove target parameter.
5130         Change all callers.
5131         (Input_objects::add_object): Don't do anything with the target.
5132         (make_elf_sized_object): Add punconfigured parameter.  Change all
5133         callers.  Set or test parameter target.
5134         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5135         Change all callers.
5136         * parameters.cc (Parameters::set_target): Change parameter type to
5137         be non-const.
5138         (Parameters::default_target): Remove.
5139         (set_parameters_target): Change parameter type to be non-const.
5140         (parameters_force_valid_target): New function.
5141         (parameters_clear_target): New function.
5142         * parameters.h (class Parameters): Update declarations.  Remove
5143         default_target method.  Add sized_target and clear_target
5144         methods.  Change target_ to be non-const.
5145         (set_parameters_target): Update declaration.
5146         (parameters_force_valid_target): Declare.
5147         (parameters_clear_target): Declare.
5148         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5149         as NULL if we aren't searching.
5150         (Add_symbols::run): Don't check for compatible target.
5151         * fileread.cc (Input_file::open_binary): Call
5152         parameters_force_valid_target.
5153         * gold.cc (queue_middle_tasks): Likewise.
5154         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5155         set_target on object.
5156         * dynobj.h (class Sized_dynobj): Update declarations.
5157         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5158         make_elf_object returns NULL.
5159         (Archive::include_member): Don't check whether object target is
5160         compatible.
5161         * output.cc (Output_section::add_input_section): Get target from
5162         parameters.
5163         (Output_section::relax_input_section): Likewise.
5164         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5165         parameters.
5166         (Sized_relobj::do_scan_relocs): Likewise.
5167         (Sized_relobj::relocate_sections): Likewise.
5168         * resolve.cc (Symbol_table::resolve): Likewise.
5169         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5170         parameter.  Change all callers.
5171         (Symbol_table::add_from_object): Get target from parameters.
5172         (Symbol_table::add_from_relobj): Don't check object target.
5173         (Symbol_table::add_from_dynobj): Likewise.
5174         (Symbol_table::define_special_symbol): Get target from
5175         parameters.
5176         * symtab.h (class Symbol_table): Update declaration.
5177         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5178         parameter.  Change all callers.  Clear parameter target.
5179         (Binary_test): Test target here.
5180         * testsuite/object_unittest.cc (gold_testsuite): Remove
5181         target_test_pointer parameter.  Change all callers.
5182         (Object_test): Test target here.
5184 2009-09-26  Ian Lance Taylor  <iant@google.com>
5186         * testsuite/initpri1.c: Don't try to use constructor priorities if
5187         compiling with gcc before 4.3.
5189 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5191         * testsuite/retain_symbols_file_test.sh (check_present): Change
5192         output file name to retain_symbols_file_test.stdout.
5193         (check_absent): Likewise.
5195 2009-09-18  Craig Silverstein  <csilvers@google.com>
5197         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5198         * options.cc: Include <cerrno> and <fstream>.
5199         (General_options::finalize): Parse -retain-symbols-file tag.
5200         * options.h: New flag.
5201         (General_options): New method should_retain_symbol, new
5202         variable symbols_to_retain.
5203         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5204         should_retain_symbol map.
5205         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5206         * testsuite/Makefile.in: Regenerate.
5207         * testsuite/retain_symbols_file_test.sh: New file.
5209 2009-09-18  Nick Clifton  <nickc@redhat.com>
5211         * po/es.po: Updated Spanish translation.
5213 2009-09-17  Doug Kwan  <dougkwan@google.com>
5215         * debug.h (DEBUG_RELAXATION): New constant.
5216         (DEBUG_ALL): Add DEBUG_RELAXATION.
5217         (debug_string_to_enum): Add relaxation debug option.
5218         * layout.cc
5219         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5220         Layout::Relaxation_debug_check::read_sections,
5221         Layout::Relaxation_debug_check::read_sections): New method definitions.
5222         (Layout::Layout): Initialize data members
5223         record_output_section_data_from_scrips_,
5224         script_output_section_data_list_ and relaxation_debug_check_.
5225         (Layout::save_segments, Layout::restore_segments,
5226         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5227         Layout::relaxation_loop_body): New method definitions.
5228         (Layout::finalize): Support relaxation.  Move section layout code to
5229         Layout::relaxation_loop_body.
5230         (Layout::set_asection_address_from_script): Move code for orphan
5231         section placement out.
5232         (Layout::place_orphan_sections_in_script): New method definition.
5233         * layout.h (Output_segment_headers, Output_file_header):
5234         New forward class declarations.
5235         (Layout::~Layout): Define.
5236         (Layout::new_output_section_data_from_script): New method definition.
5237         (Layout::place_orphan_sections_in_script): New method declaration.
5238         (Layout::Segment_states): New type declaration.
5239         (Layout::save_segments, Layout::restore_segments,
5240         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5241         Layout::relaxation_loop_body): New method declarations.
5242         (Layout::Output_section_data_list): New type declaration.
5243         (Layout::Relaxation_debug_check): New class definition.
5244         (Layout::record_output_section_data_from_script_,
5245         Layout::script_output_section_data_list_, Layout::segment_states_,
5246         Layout::relaxation_debug_check_): New data members.
5247         * output.cc: (Output_section_headers::do_size): New method definition.
5248         (Output_section_headers::Output_section_headers): Move size
5249         computation to Output_section_headers::do_size.
5250         (Output_segment_headers::do_size): New method definition.
5251         (Output_file_header::Output_file_header): Move size computation to
5252         Output_file_header::do_size and call it.
5253         (Output_file_header::do_size): New method definition.
5254         (Output_data_group::Output_data_group): Adjust call to
5255         Output_section_data.
5256         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5257         (Output_symtab_xindex::do_write): Add array bound check.
5258         (Output_section::Input_section::print_to_mapfile): Handle
5259         RELAXED_INPUT_SECTION_CODE.
5260         (Output_section::Output_section): Initialize data member checkpoint_.
5261         (Output_section::~Output_section): Delete checkpoint object pointed
5262         by checkpoint_.
5263         (Output_section::add_input_section): Always add an Input_section if
5264         relaxing.
5265         (Output_section::add_merge_input_section): Add assert.
5266         (Output_section::relax_input_section): New method definition.
5267         (Output_section::set_final_data_size): Set load address to zero for
5268         an unallocated section.
5269         (Output_section::do_address_and_file_offset_have_reset_values):
5270         New method definition.
5271         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5272         Handle relaxed input section.
5273         (Output_section::sort_attached_input_sections): Checkpoint input
5274         section list lazily.
5275         (Output_section::get_input_sections): Change type of input_sections to
5276         list of Simple_input_section pointers.  Checkpoint input section list
5277         lazily.  Also handle relaxed input sections.
5278         (Output_section::add_input_section_for_script): Take a reference to
5279         a Simple_input_section object instead of Relobj pointer and section
5280         index as parameter.  Handle relaxed input sections.
5281         (Output_section::save_states, Output_section::restore_states): New
5282         method definitions.
5283         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5284         (Output_data::is_data_size_fixed): New method definition.
5285         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5286         if it is fixed.
5287         (Output_data::address_and_file_offset_have_reset_values): New method
5288         definition.
5289         (Output_data::do_address_and_file_offset_have_reset_values): New method
5290         definition.
5291         (Output_data::set_data_size): Check that data size is not fixed.
5292         (Output_data::fix_data_size): New method definition.
5293         (Output_data::is_data_size_fixed_): New data member.
5294         (Output_section_headers::set_final_data_size): New method definition.
5295         (Output_section_headers::do_size): New method declaration.
5296         (Output_segment_headers::set_final_data_size): New method definition.
5297         (Output_segment_headers::do_size): New method declaration.
5298         (Output_file_header::set_final_data_size)::New method definition.
5299         (Output_file_header::do_size)::New method declaration.
5300         (Output_section_data::Output_section_data): Add new parameter
5301         is_data_size_fixed and use it to fix data size.
5302         (Output_data_const::Output_data_const): Adjust call to base class
5303         constructor and fix data size.
5304         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5305         base class constructor and fix data size.
5306         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5307         base class constructor and fix data size.
5308         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5309         class constructor and fix data size.
5310         (Output_data_group::set_final_data_size): New method definition.
5311         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5312         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5313         class constructor and fix data size.
5314         (Output_relaxed_input_section): New class definition.
5315         (Output_section::Simple_input_section): New class definition.
5316         (Output_section::get_input_sections): Adjust parameter list.
5317         (Output_section::add_input_section_for_script): Same.
5318         (Output_section::save_states, Output_section::restore_states,
5319         Output_section::do_address_and_file_offset_have_reset_values,
5320         (Output_section::Input_section::Input_section): Handle
5321         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5322         Output_relaxed_input_section.
5323         (Output_section::Input_section::is_input_section,
5324         Output_section::Input_section::set_output_section): Handle relaxed
5325         input section.
5326         (Output_section::Input_section::is_relaxed_input_section,
5327         Output_section::Input_section::output_section_data,
5328         Output_section::Input_section::relaxed_input_section): New method
5329         definitions.
5330         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5331         value.
5332         (Output_section::Input_section::u1_): Update comments.
5333         (Output_section::Input_section::u2_): Add new union member poris.
5334         (Output_section::Checkpoint_output_section): New classs definition.
5335         (Output_section::relax_input_section): New method declaration.
5336         (Output_section::checkpoint_): New data member.
5337         (Output_segment): Update comments.
5338         (Output_segment::Output_segment): Un-privatize copy constructor.
5339         (Output_segment::operator=): Un-privatize.
5340         * script-sections.cc (Output_section_element::Input_section_list):
5341         Change element type to Output_section::Simple_input_section.
5342         (Output_section_element_dot_assignment::set_section_addresses):
5343         Register output section data for relaxation clean up.
5344         (Output_data_exression::Output_data_expression): Adjust call to base
5345         constructor to fix data size.
5346         (Output_section_element_data::set_section_addresses): Register
5347         Output_data_expression object for relaxation clean up.
5348         (struct Input_section_info): Replace Relobj pointer and section index
5349         pair with Output_section::Simple_input_section and Convert struct to a
5350         class.
5351         (Input_section_sorter::operator()): Adjust access to
5352         Input_section_info data member to use accessors.
5353         (Output_section_element_input::set_section_addresses): Use layout
5354         parameter.  Adjust code to use Output_section::Simple_input_section
5355         and Input_secction_info classes.  Register filler for relaxation
5356         clean up.
5357         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5358         and section index pair with Output_section::Simple_input_section
5359         class.  Adjust code accordingly.
5360         (Phdrs_element::release_segment): New method definition.
5361         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5362         segment list.
5363         (Script_sections::release_segments): New method definition.
5364         * gold/script-sections.h (Script_sections::release_segments): New
5365         method declaration.
5366         * gold/target.h (Target::may_relax, Target::relax,
5367         Target::do_may_relax, Target::do_relax): New method definitions.
5369 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5371         * arm.cc (has_signed_unsigned_overflow): New function.
5372         (Arm_relocate_functions::abs8): New function.
5373         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5374         (Target_arm::Scan::global): Likewise.
5375         (Target_arm::relocate::relocate): Likewise.
5376         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5377         Likewise.
5379 2009-09-16  Cary Coutant  <ccoutant@google.com>
5381         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5382         * testsuite/Makefile.in: Regenerate.
5384 2009-09-11  Nick Clifton  <nickc@redhat.com>
5386         * po/gold.pot: Updated by the Translation project.
5388 2009-09-08  Cary Coutant  <ccoutant@google.com>
5390         * output.cc (Output_file::open): Add execute permission to empty file.
5391         * testsuite/Makefile.am (permission_test): New test.
5392         * testsuite/Makefile.in: Regenerate.
5394 2009-09-02  Ian Lance Taylor  <iant@google.com>
5396         * output.cc (Output_file::resize): Call map_no_anonymous rather
5397         than map.
5399 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5401         * gold.cc: Include "incremental.h".
5402         (queue_initial_tasks): Call Incremental_checker methods.
5403         * incremental.cc: Include "output.h".
5404         (Incremental_checker::can_incrementally_link_output_file): New
5405         method.
5406         * incremental.h (Incremental_checker): New class.
5408         * output.cc (Output_file::open_for_modification): New method.
5409         (Output_file::map_anonymous): Changed return type to bool.  Record
5410         map in base_ field.
5411         (Output_file::map_no_anonymous): New method, broken out of map.
5412         (Output_file::map): Use map_no_anonymous and map_anonymous.
5413         * output.h (class Output_file): Update declarations.
5415 2009-08-24  Cary Coutant  <ccoutant@google.com>
5417         * options.h (Command_line::Pre_options): New class.
5418         (Command_line::pre_options): New member.
5419         * options.cc (gold::options::ready_to_register): New variable.
5420         (One_option::register_option): Do nothing if not registering options.
5421         Assert if same short option registered twice.
5422         (General_options::General_options): Turn off option registration when
5423         done constructing.
5424         (Command_line::Pre_options::Pre_options): New constructor.
5426 2009-08-24  Cary Coutant  <ccoutant@google.com>
5428         * options.h (General_options::no_keep_memory): Remove incorrect
5429         short option.
5431 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5433         * Makefile.am (am__skiplex, am__skipyacc): New.
5434         * Makefile.in: Regenerate.
5436 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5438         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5439         (INCLUDES): ... this.
5440         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5441         (AM_CPPFLAGS): Renamed from ...
5442         (INCLUDE): ... this.
5443         * Makefile.in, testsuite/Makefile.in: Regenerate.
5445         * Makefile.in: Regenerate.
5446         * aclocal.m4: Likewise.
5447         * config.in: Likewise.
5448         * configure: Likewise.
5449         * testsuite/Makefile.in: Likewise.
5451         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5452         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5453         * Makefile.in: Regenerate.
5454         * testsuite/Makefile.in: Regenerate.
5456 2009-08-19  Cary Coutant  <ccoutant@google.com>
5458         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5459         symbols in shared libraries overridden by hidden or internal symbols
5460         in the main program.
5462 2009-08-19  Chris Demetriou  <cgd@google.com>
5464         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5465         checking source file names in error messages.
5467 2009-08-18  Doug Kwan  <dougkwan@google.com>
5469         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5470         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5471         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5472         an elfcpp::Ehdr as parameter.
5473         * object.cc (Object::set_target): Remove the version that looks up
5474         a target and sets it.
5475         (Sized_relobj::setup): Take a Target object instead of
5476         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5477         (make_elf_sized_object): Find target and ask target to
5478         make an ELF object.
5479         * object.h: (Object::set_target): Remove the version that looks up
5480         a target and sets it.
5481         (Sized_relobj::setup): Take a Target object instead of
5482         an elfcpp:Ehdr as parameter.
5483         * target.cc: Include dynobj.h.
5484         (Target::do_make_elf_object_implementation): New.
5485         (Target::do_make_elf_object): New.
5486         * target.h (Target::make_elf_object): New template declaration.
5487         (Target::do_make_elf_object): New method declarations.
5488         (Target::do_make_elf_object_implementation): New template declaration.
5490 2009-08-14  Ian Lance Taylor  <iant@google.com>
5492         * gold.h (FUNCTION_NAME): Define.
5493         (gold_unreachable): Use FUNCTION_NAME.
5495 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5497         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5498         symbol in the --keep-unique list is not found.
5500 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5502         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5503         been maked as --keep-unique.
5504         (Icf::unfold_section): New function.
5505         * icf.h (Icf::unfold_section): New function.
5506         * options.h (General_options::keep_unique): New option.
5507         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5508         * testsuite/Makefile.in: Regenerate.
5509         * testsuite/icf_keep_unique_test.sh: New file.
5510         * testsuite/icf_keep_unique_test.cc: New file.
5512 2009-08-12  Cary Coutant  <ccoutant@google.com>
5514         PR 10471
5515         * resolve.cc (Symbol_table::resolve): Check for references from
5516         dynamic objects to hidden and internal symbols.
5517         * testsuite/Makefile.am (hidden_test.sh): New test.
5518         * testsuite/Makefile.in: Regenerate.
5519         * testsuite/hidden_test.sh: New script.
5520         * testsuite/hidden_test_1.c: New test source.
5521         * testsuite/hidden_test_main.c: New test source.
5523 2009-08-11  Doug Kwan  <dougkwan@google.com>
5525         * arm.cc: Update comments.
5526         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5527         segment to locate the .ARM.exidx section if present.
5529 2009-08-09  Doug Kwan  <dougkwan@google.com>
5531         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5532         patch.
5534 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5535         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5536         compiler warnings.
5538 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5540         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5541         valid tls_segment only for non-debug-section relocations.
5542         * testsuite/Makefile.am: Add gc_tls_test.
5543         * testsuite/Makefile.in: Regenerate.
5544         * testsuite/gc_tls_test.cc: New file.
5545         * testsuite/gc_tls_test.sh: New file.
5547 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5549         * icf.cc: New file.
5550         * icf.h: New file.
5551         * Makefile.am (CCFILES): Add icf.cc.
5552         (HFILES): Add icf.h
5553         * Makefile.in: Regenerate.
5554         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5555         * gc.h (gc_process_relocs): Populate lists used by icf to contain
5556         section, symbol and addend information for the relocs.
5557         * gold.cc (queue_middle_tasks): Call identical code folding.
5558         * gold.h: Add defines for multimap.
5559         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
5560         to the call of finalize_local_symbols.
5561         * main.cc (main): Create object of class Icf.
5562         * object.cc (Sized_relobj::do_layout): Allow this function to be
5563         called twice during icf.
5564         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
5565         to sections marked as identical by icf.
5566         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
5567         when available.
5568         (Sized_relobj::do_section_entsize): New function.
5569         * object.h (Object::section_entsize): New function.
5570         (Object::do_section_entsize): New pure virtual function.
5571         (Relobj::finalize_local_symbols): Add new parameter.
5572         (Relobj::do_section_entsize): New function.
5573         * options.h (General_options::icf): New option.
5574         (General_options::icf_iterations): New option.
5575         (General_options::print_icf_sections): New option.
5576         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
5577         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
5578         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
5579         icf.
5580         * symtab.cc (Symbol_table::is_section_folded): New function.
5581         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
5582         to sections marked as identical by icf.
5583         * symtab.h (Symbol_table::set_icf): New function.
5584         (Symbol_table::icf): New function.
5585         (Symbol_table::is_section_folded): New function.
5586         (Symbol_table::icf_): New data member.
5587         * target-reloc.h (relocate_section): Ignore sections folded by icf.
5588         * testsuite/Makefile.am: Add commands to build icf_test.
5589         * testsuite/Makefile.in: Regenerate.
5590         * testsuite/icf_test.sh: New file.
5591         * testsuite/icf_test.cc: New file.
5593 2009-07-24  Chris Demetriou  <cgd@google.com>
5595         * layout.cc (is_compressible_debug_section): Fix incorrect
5596         comment about compressed section names.
5598 2009-07-20  Ian Lance Taylor  <ian@airs.com>
5600         PR 10419
5601         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
5603 2009-07-16  Ian Lance Taylor  <iant@google.com>
5605         PR 10400
5606         * layout.h: #include <map>.
5607         (class Kept_section): Change from struct to class.  Add accessors
5608         and setters.  Add section size to Comdat_group mapping.  Change
5609         Comdat_group to std::map.  Add is_comdat_ field.  Add
5610         linkonce_size field in union.
5611         (class Layout): Update declaration of find_or_add_kept_section.
5612         Don't declare find_kept_object.
5613         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
5614         parameter.  Add object, shndx, is_comdat, and is_group_name
5615         parameters.  Change all callers.  Adjust for new Kept_section.
5616         (Layout::find_kept_object): Remove.
5617         * object.cc (Sized_relobj::include_section_group): Update use of
5618         Kept_section.  Rename secnum to shndx.  Only record
5619         Kept_comdat_section if sections are the same size.
5620         (Sized_relobj::include_linkonce_section): Update use of
5621         Kept_section.  Only record Kept_comdat_section if sections are the
5622         same size.  Set size of linkonce section.
5623         (Sized_relobj::map_to_kept_section): Update call to
5624         get_kept_comdat_section.
5625         * object.h (class Sized_relobj): Rename fields in
5626         Kept_comdat_section to drop trailing underscores; change object
5627         field to Relobj*.  Change Kept_comdat_section_table to store
5628         struct rather than pointer.
5629         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
5630         Add kept_object and kept_shndx parameters.  Change all callers.
5631         (Sized_relobj::get_kept_comdat_section): Change return type to
5632         bool.  Add kept_object and kept_shndx parameters.  Change all
5633         callers.
5634         * plugin.cc (Pluginobj::include_comdat_group): Update call to
5635         Layout::find_or_add_kept_section.
5637 2009-07-09  Ian Lance Taylor  <iant@google.com>
5639         * merge.cc (Object_merge_map::initialize_input_to_output_map):
5640         Reserve space in the hash table.
5642 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
5644         * fileread.cc (File_read::get_mtime): New method.
5645         * fileread.h (Timespec): New structure.
5646         (File_read::get_mtime): New method.
5647         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
5648         Renamed from timestamp_nsec.
5649         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
5650         Elf_Xword.
5651         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
5652         timestamp_nsec.
5653         (Incremental_inputs::report_archive): Save mtime; style fix.
5654         (Incremental_inputs::report_obejct): Save mtime; style fix.
5655         (Incremental_inputs::report_script): Save mtime; style fix.
5656         (Incremental_inputs::finalize_inputs): Style fix.
5657         (Incremental_inputs::finalize): Style fix.
5658         (Incremental_inputs::create_input_section_data): Store inputs
5659         mtime.
5660         * incremental.h (Incremental_inputs::report_script): Add mtime
5661         argument.
5662         (Incremental_inputs::Input_info::Input_info): Intialize only one
5663         union member.
5664         (Incremental_inputs::Input_info::archive): Move to nameless
5665         union.
5666         (Incremental_inputs::Input_info::obejct): Move to nameless union.
5667         (Incremental_inputs::Input_info::script): Move to nameless union.
5668         (Incremental_inputs::mtime): New field.
5669         * script.cc (read_input_script): Pass file mtime to
5670         Incremental_input.
5671         * script.h (Script_info::inputs): Style fix.
5673 2009-07-01  Ian Lance Taylor  <ian@airs.com>
5675         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
5676         instead of 32.
5678 2009-06-24  Ian Lance Taylor  <iant@google.com>
5680         PR 10156
5681         * layout.cc (Layout::choose_output_section): If we find an
5682         existing section, update the flags.
5683         (Layout::create_notes): New function, broken out of
5684         Layout::finalize.
5685         (Layout::finalize): Don't create note sections.
5686         (Layout::create_note): Don't crash if linker script discards
5687         section.
5688         (Layout::create_gold_note): Likewise.
5689         (Layout::create_build_id): Likewise.  Don't set
5690         after_input_sections on the section.
5691         (Layout::create_executable_stack_info): Remove target parameter.
5692         Change caller.
5693         * layout.h (class Layout): Declare create_notes.  Update
5694         declaration of create_executable_stack_info.
5695         * gold.cc (queue_middle_tasks): Call create_notes.
5696         * output.cc (Output_section::update_flags_for_input_section): Move
5697         here from output.h.  If SHF_ALLOC flag is newly set, mark address
5698         invalid.
5699         * output.h (Output_data::mark_address_invalid): New function.
5700         (class Output_section): Only declare, not define,
5701         update_flags_for_input_section.  Remove set_flags.
5703 2009-06-24  Ian Lance Taylor  <iant@google.com>
5705         * script-sections.cc (Output_section_definition::
5706         set_section_addresses): Rename shadowing local load_address to
5707         laddr.
5709 2009-06-24  Ian Lance Taylor  <iant@google.com>
5711         PR 10244
5712         * reloc.cc (relocate_sections): Skip empty relocation sections.
5714 2009-06-23  Ian Lance Taylor  <iant@google.com>
5716         PR 10156
5717         * layout.cc (Layout::create_note): Use choose_output_section
5718         rather than make_output_section.
5720 2009-06-23  Ian Lance Taylor  <iant@google.com>
5722         PR 10237
5723         * options.cc (General_options::parse_V): Set printed_version_.
5724         (General_options::General_options): Initialize printed_version_.
5725         * options.h (class General_options): Add printed_version_ field.
5726         * gold.cc (queue_initial_tasks): If there are no input files,
5727         don't give a fatal error if we printed the version information.
5728         (queue_middle_tasks): If using -r with a shared object, give a
5729         fatal error rather than an ordinary error.
5731 2009-06-23  Ian Lance Taylor  <iant@google.com>
5733         PR 10219
5734         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
5735         (Layout::make_output_section): Set have_stabstr_section_ if we see
5736         a .stab*str section.
5737         (Layout::finalize): Call link_stabs_sections.
5738         (Layout::link_stabs_sections): New file.
5739         * layout.h (class Layout): Add have_stabstr_section_ field.
5740         Declare link_stabs_sections.
5742 2009-06-23  Doug Kwan  <dougkwan@google.com>
5744         * Makefile.am (libgold_a_LIBADD): New.
5745         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
5746         * Makefile.in: Regenerate.
5747         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
5748         * configure: Regenerate.
5749         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
5750         * fileread.cc: Include sys/state.h
5751         * gold.h: Declare memmem and strndup if found missing.
5752         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
5754 2009-06-23  Ian Lance Taylor  <iant@google.com>
5756         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
5757         * configure: Rebuild.
5759 2009-06-23  Ian Lance Taylor  <iant@google.com>
5761         PR 10147
5762         * object.cc (Object::section_contents): Don't try to get a view if
5763         the section has length zero.
5764         (Object::handle_gnu_warning_section): If the section is empty, use
5765         the name of the section as the warning.
5767 2009-06-23  Ian Lance Taylor  <iant@google.com>
5769         PR 10133
5770         * stringpool.h (class Stringpool_template): Add optimize_ field.
5771         (Stringpool_template::set_optimize): New function.
5772         * stringpool.cc (Stringpool_template::Stringpool_template):
5773         Initialize optimize_ field.
5774         (Stringpool_template::set_string_offsets): Test local optimize
5775         fild rather than parameter.
5776         * layout.cc (Layout::Layout): Call set_optimize on the section
5777         name stringpool.
5779 2009-06-22  Ian Lance Taylor  <iant@google.com>
5781         PR 10030
5782         * yyscript.y: Parse TARGET.
5783         * script.cc (script_set_target): New function.
5784         * script-c.h (script_set_target): Declare.
5785         * options.cc (General_options::string_to_object_format): Rename
5786         from string_to_object_format in anonymous namespace.  Change
5787         callers.
5788         * options.h (class General_options): Declare
5789         string_to_object_format.
5791 2009-06-22  Ian Lance Taylor  <iant@google.com>
5793         * script-sections.cc (Script_sections::create_segments): Don't put
5794         program headers in a PT_LOAD segment if -n or -N.
5796 2009-06-22  Ian Lance Taylor  <iant@google.com>
5798         PR 10141
5799         * options.h (class General_options): Add -z lazy and -z now.  Sort
5800         -z options into alphabetical order.
5801         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
5803 2009-06-21  Ian Lance Taylor  <iant@google.com>
5805         * layout.cc (Layout::make_output_section): Call
5806         Target::new_output_section.
5807         (Layout::attach_allocated_section_to_segment): Put large section
5808         sections in a separate load segment with the large segment flag
5809         set.
5810         (Layout::segment_precedes): Sort large data segments after other
5811         load segments.
5812         (align_file_offset): New static function.
5813         (Layout::set_segment_offsets): Use align_file_offset.
5814         * output.h (class Output_section): Add is_small_section_ and
5815         is_large_section_ fields.
5816         (Output_section::is_small_section): New function.
5817         (Output_section::set_is_small_section):  New function.
5818         (Output_section::is_large_section): New function.
5819         (Output_section::set_is_large_section): New function.
5820         (Output_section::is_large_data_section): New function.
5821         (class Output_segment): Add is_large_data_segment_ field.
5822         (Output_segment::is_large_data_segment): New function.
5823         (Output_segment::set_is_large_data_segment): New function.
5824         * output.cc (Output_section::Output_section): Initialize new
5825         fields.
5826         (Output_segment::Output_segment): Likewise.
5827         (Output_segment::add_output_section): Add assertion that large
5828         data sections always go in large data segments.  Force small data
5829         sections to the end of the list of data sections.  Force small BSS
5830         sections to the start of the list of BSS sections.  For large BSS
5831         sections to the end of the list of BSS sections.
5832         * symtab.h (class Symbol): Declare is_common_shndx.
5833         (Symbol::is_defined): Check Symbol::is_common_shndx.
5834         (Symbol::is_common): Likewise.
5835         (class Symbol_table): Define enum Commons_section_type.  Update
5836         declarations.  Add small_commons_ and large_commons_ fields.
5837         * symtab.cc (Symbol::is_common_shndx): New function.
5838         (Symbol_table::Symbol_table): Initialize new fields.
5839         (Symbol_table::add_from_object): Put small and large common
5840         symbols in the right list.
5841         (Symbol_table::sized_finalized_symbol): Check
5842         Symbol::is_common_shndx.
5843         (Symbol_table::sized_write_globals): Likewise.
5844         * common.cc (Symbol_table::do_allocate_commons): Allocate new
5845         common symbol lists.  Don't call do_allocate_commons_list if the
5846         list is empty.
5847         (Symbol_table::do_allocate_commons_list): Remove is_tls
5848         parameter.  Add comons_section_type parameter.  Change all
5849         callers.  Handle small and large common symbols.
5850         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
5851         Symbol::is_common_shndx.
5852         * resolve.cc (symbol_to_bits): Likewise.
5853         * target.h (Target::small_common_shndx): New function.
5854         (Target::small_common_section_flags): New function.
5855         (Target::large_common_shndx): New function.
5856         (Target::large_common_section_flags): New function.
5857         (Target::new_output_section): New function.
5858         (Target::Target_info): Add small_common_shndx, large_common_shndx,
5859         small_common_section_flags, and large_common_section_flags
5860         fields.
5861         (Target::do_new_output_section): New virtual function.
5862         * arm.cc (Target_arm::arm_info): Initialize new fields.
5863         * i386.cc (Target_i386::i386_info): Likewise.
5864         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
5865         Likewise.
5866         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
5867         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5868         (Target_x86_64::do_new_output_section): New function.
5869         * configure.ac: Define conditional MCMODEL_MEDIUM.
5870         * testsuite/Makefile.am (check_PROGRAMS): Add large.
5871         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
5872         (large_LDFLAGS): Define.
5873         * testsuite/large.c: New file.
5874         * testsuite/testfile.cc (Target_test::test_target_info):
5875         Initialize new fields.
5876         * configure, testsuite/Makefile.in: Rebuild.
5878 2009-06-05  Doug Kwan  <dougkwan@google.com>
5880         * Makefile.am (CCFILES): Add target.cc.
5881         * Makefile.in: Regenerate.
5882         * i386.cc (class Target_i386): Define new virtual method to
5883         override do_is_local_label_name in parent.
5884         * object.cc (Sized_relobj::do_count_local_symbols): Discard
5885         local symbols if --discard-locals or -X is given.
5886         * options.h (class General_options): Declare new options
5887         '--discard-locals' and '-X' for discarding locals.
5888         * target.h (class Target): Define new methods is_local_label_name.
5889         Declare new virtual method do_is_local_label_name.
5890         * target.cc: New file.
5891         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
5892         (check_SCRIPTS): Add discard_locals_test.sh.
5893         (check_DATA): Add discard_local_tests.syms.
5894         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
5895         (discard_local_tests.syms, discard_locals_test.o): New make rules.
5896         * testsuite/Makefile.in: Regenerate.
5897         * testsuite/discard_locals_test.c: New file.
5898         * testsuite/discard_locals_test.sh: Same.
5900 2009-06-05  Doug Kwan  <dougkwan@google.com>
5902         * object.cc (Sized_relobj::Sized_relobj): Initialize
5903         discarded_eh_frame_shndx_ to -1U.
5904         (Sized_relobj::do_layout): Record index of a discard .eh_frame
5905         section.
5906         (Sized_relobj::do_count_local_symbols): Skip local symbols in
5907         a discarded .eh_frame section.
5908         (Sized_relobj::do_finalize_local_symbols): Ditto.
5909         * object.h (class Sized_relobj): Declare new member
5910         discarded_eh_frame_shndx_.
5911         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
5912         (local_labels_test.o, local_labels_test): New rules.
5913         * testsuite/Makefile.in: Regenerate.
5915 2009-06-04  Doug Kwan  <dougkwan@google.com>
5917         * layout.cc (Layout::section_name_mapping): Add mapping for
5918         special ARM sections.
5920 2009-06-03  Doug Kwan  <dougkwan@google.com>
5922         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
5923         (utils::has_overflow): Same.
5925 2009-06-03  Ian Lance Taylor  <iant@google.com>
5927         * layout.cc (Layout::section_name_mapping): New array, replacing
5928         Layout::linkonce_mapping.
5929         (Layout::section_name_mapping_count): New variable, replacing
5930         Layout::linkonce_mapping_count.
5931         (Layout::linkonce_output_name): Remove.
5932         (Layout::output_section_name): Rewrite.
5933         * layout.h (class Layout): Rename Linkonce_mapping to
5934         Section_name_mapping, linkonce_mapping to section_name_mapping,
5935         linkonce_mapping_count to section_name_mapping_count.  Don't
5936         declare linkonce_output_name.
5938 2009-06-03  Doug Kwan  <dougkwan@google.com>
5940         * gold/arm.cc (namespace utils): New.
5941         (Target_arm::reloc_is_non_pic): Define new method.
5942         (class Arm_relocate_functions): New.
5943         (Target_arm::Relocate::relocate): Handle relocation types used by
5944         Android.
5946 2009-06-03  Ian Lance Taylor  <iant@google.com>
5948         * arm.cc (Target_arm::scan::global): Use || instead of |.
5950 2009-06-02  Doug Kwan  <dougkwan@google.com>
5952         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
5953         issued_non_pic_error_.
5954         (class Target_arm::Scan): Declare new method check_non_pic.
5955         Define new method symbol_needs_plt_entry.
5956         Declare new data member issued_non_pic_error_.
5957         (class Target_arm::Relocate): Declare new method
5958         should_apply_static_reloc.
5959         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
5960         (Target_arm::Scan::check_non_pic): Define new method.
5961         (Target_arm::Scan::local): Handle a small subset of reloc types used
5962         by Android.
5963         (Target_arm::Scan::local): Same.
5964         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
5966 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
5968         * incremental.cc (Incremental_inputs::report_command_line): Filter
5969         out --incremental-* options.
5971 2009-05-29  Doug Kwan  <dougkwan@google.com>
5973         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
5974         template class.
5975         (class Target_arm): Update comment.
5976         (Target_arm::Target_arm): Initialize new data members GOT_,
5977         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
5978         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
5979         and Target_arm::rel_dyn_section.
5980         Declare new_enum Target_arm::Got_type.
5981         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
5982         and DYNBSS_.
5983         Update commments for member do_dynsym_value.
5984         (Target_arm::got_size, Target_arm::plt_section,
5985         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
5986         new methods inside class defintion.
5987         (Target_arm::got_section): Define new method.
5988         (Target_arm::rel_dyn_section): Same.
5989         (Output_data_plt_arm): New template class.
5990         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
5991         (Output_data_plt_arm:do_adjust_output_section): Define new method.
5992         (Output_data_plt_arm::add_entry): Same.
5993         (Output_data_plt_arm::first_plt_entry): Define new
5994         static data member for PLT instruction template.
5995         (Output_data_plt_arm::plt_entry): Same.
5996         (Output_data_plt_arm::do_write): Define new method.
5997         (Target_arm::make_plt_entry): Same.
5998         (Target_arm::do_finalize_sections): Same.
5999         (Target_arm::do_dynsym_value): Same.
6001 2009-05-28  Doug Kwan  <dougkwan@google.com>
6003         * Makefile.am (TARGETSOURCES): Add arm.cc.
6004         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
6005         * Makefile.in: Regenerate.
6006         * arm.cc: New file.
6007         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
6009 2009-05-26  Doug Kwan  <dougkwan@google.com>
6011         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
6012         (General_options::check_excluded_libs): Strip off directories in
6013         archive name before matching like GNU ld does.
6014         * testsuite/Makefile.am (MOSTLYCLEANFILES,
6015         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
6016         (exclude_libs_test_LDFLAGS): Add linker option
6017         -Wl,--exclude-libs,libexclude_libs_test_3
6018         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
6019         an explicit archive without using -l.
6020         (alt/libexclude_libs_test_3.a): New make rule.
6021         * testsuite/Makefile.in: Regenerate.
6022         * testsuite/exclude_libs_test.c : Declare lib3_default().
6023         (main): Call it.
6024         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
6025         * exclude_libs_test_3.c: New file.
6027 2009-05-26  Nick Clifton  <nickc@redhat.com>
6029         * po/id.po: New Indonesian translation.
6030         * po/gold.pot: Updated template file.
6032 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
6034         * testsuite/Makefile.am: Add -ffunction-sections to compile
6035         gc_comdat_test files.  Add -Wl,--gc-sections to build
6036         gc_comdat_test.
6037         * testsuite/Makefile.in: Regenerate.
6038         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
6040 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
6042         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
6043         kept comdat section was garbage collected.
6044         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6045         * testsuite/Makefile.in: Regenerate.
6046         * testsuite/gc_comdat_test.sh: New file.
6047         * testsuite/gc_comdat_test_1.cc: New file.
6048         * testsuite/gc_comdat_test_2.cc: New file.
6050 2009-05-19  Doug Kwan  <dougkwan@google.com>
6052         * archive.cc (Archive::Archive): Move constructor from archive.h
6053         to here.  Initialize no_export_.
6054         (Archive::get_elf_object_for_member): Set no_export flag of object.
6055         * archive.h (Archive::Archive): Move constructor body to
6056         archive.cc.
6057         (Archive::no_export): New method.
6058         (Archive::no_export_): New field.
6059         * object.h (Object::Object): Initialize no_export_ to false.
6060         (Object::no_export, Object::set_no_export): New methods.
6061         (Object::no_export_): New field.
6062         * options.cc (General_options::parse_exclude_libs): New method.
6063         (General_options::check_excluded_libs) Same.
6064         * options.h (exclude_libs): New option.
6065         (General_options::check_excluded_libs): New method declaration.
6066         (General_options::excluded_libs_): New field.
6067         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6068         default or protected visibility if an object has no-export flag set.
6069         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6070         (check_SCRIPTS): Add exclude_libs_test.sh.
6071         (check_DATA): Add exclude_libs_test.syms.
6072         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6073         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6074         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6075         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6076         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6077         libexclude_libs_test_2.a): New rules.
6078         * testsuite/Makefile.in: Regenerate.
6079         * testsuite/exclude_libs_test.c: New file.
6080         * testsuite/exclude_libs_test.sh: Ditto.
6081         * testsuite/exclude_libs_test_1.c: Ditto.
6082         * testsuite/exclude_libs_test_2.c: Ditto.
6084 2009-05-15  Ian Lance Taylor  <iant@google.com>
6086         * configure.ac: Check for declarations for cases where libiberty.h
6087         checks HAVE_DECL_xxx.
6088         * configure, config.in: Rebuild.
6090 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6092         * gold.h (Incremental_argument_list): Remove (invalid) forward
6093         declaration.
6094         * incremental.cc (Incremental_inputs::report_achive): New method.
6095         (Incremental_inputs::report_object): New method.
6096         (Incremental_inputs::report_script): New method.
6097         (Incremental_inputs::finalize_inputs): New method.
6098         (Incremental_inputs::finalize): Call finalize_inputs().
6099         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6100         Create inputs entries.
6101         * incremental.h (Incremental_input_type): New enum.
6102         (Incremental_inputs::Incremental_input): Initialize new fields.
6103         (Incremental_inputs::report_inputs): New method.
6104         (Incremental_inputs::report_achive): New method.
6105         (Incremental_inputs::report_object): New method.
6106         (Incremental_inputs::report_script): New method.
6107         (Incremental_inputs::finalize_inputs): New method.
6108         (Incremental_inputs::Input_info): New struct.
6109         (Incremental_inputs::Input_info_map): New typedef.
6110         (Incremental_inputs::lock_): New field.
6111         (Incremental_inputs::Inputs_): New field.
6112         (Incremental_inputs::Inputs_map): New field.
6113         * main.cc (main): Call Incremental_input::report_inputs.
6114         * options.h (Input_argument_list): Typedef moved from
6115         Input_arguments.
6116         (Input_file_group::Files): Remove, use ::Input_argument_list.
6117         (Input_file_group::Input_argument_list): Remove, use
6118         ::Input_argument_list.
6119         * plugin.cc (Plugin_manager::add_input_file): Add error in
6120         incremental build.
6121         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6122         functions.
6123         * script.cc (read_input_script): Call
6124         Incremental_input::report_script.
6125         * script.h (Script_info): New class.
6127 2009-04-27  Ian Lance Taylor  <iant@google.com>
6129         * x86_64.cc (do_adjust_output_section): Set entsize to
6130         plt_entry_size.
6132 2009-04-23  Elliott Hughes  <enh@google.com>
6134         * output.cc (Output_file::close): After short writes, continue
6135         writing from the correct offset in the buffer being written.
6137 2009-04-23  Chris Demetriou  <cgd@google.com>
6139         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6140         * configure: Regenerate.
6141         * config.in: Regenerate.
6142         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6143         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6145 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6147         * incremental.cc (Incremental_inputs_header_data): Renamed from
6148         Incremental_input_header_data.
6149         (Incremental_inputs_header_data::data_size): New field.
6150         (Incremental_inputs_header_data::put_input_file_count): Renamed
6151         from input_file_count.
6152         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6153         from command_line_offset.
6154         (Incremental_inputs_header_data::put_reserved): Renamed from
6155         put_reserved.
6156         (Incremental_inputs_entry_data): Renamed from
6157         Incremental_input_entry_data.
6158         (Incremental_inputs_entry_data::data_size): New field.
6159         (Incremental_inputs::report_command_line): New method.
6160         (Incremental_inputs::finalize): New method.
6161         (Incremental_inputs::create_incremental_inputs_data): New method.
6162         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6163         * incremental.h: New file.
6164         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6165        (Layout::finalize): Create incremental inputs section in
6166         incremental builds.
6167        (Layout::create_incremental_info_sections): New method.
6168         * layout.h (Layout::incremental_inputs): New method.
6169        (Layout::create_incremental_info_sections): New method.
6170        (Layout::incremental_inputs_): New field.
6171         * main.cc (main): Notify Incremental_input of the command line.
6173 2009-04-01  Ian Lance Taylor  <iant@google.com>
6174             Mikolaj Zalewski  <mikolajz@google.com>
6176         * gold.h (reserve_unordered_map): Define, three versions, one for
6177         each version of Unordered_map.
6178         * layout.cc (Layout::Layout): Remove options parameter.  Add
6179         number_of_input_files parameter.  Don't initialize options_.
6180         Initialize number_of_input_files_ and resized_signatures_.  Move
6181         sections_are_attached_.
6182         (Layout::layout_group): Reserve space for group_signatures_.
6183         (Layout::find_or_add_kept_section): Change name parameter to be a
6184         reference.  Resize signatures_ map when it gets large enough.
6185         (Layout::layout_eh_frame): Use parameters->options() instead of
6186         this->options_.
6187         (Layout::make_output_section): Likewise.
6188         (Layout::attach_allocated_section_to_segment): Likewise.
6189         (Layout::finalize, Layout::create_executable_stack): Likewise.
6190         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6191         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6192         * layout.h (class Layout): Update declarations.  Remove options_
6193         field.  Add number_of_input_files_ and resized_signatures_
6194         fields.  Move sections_are_attached_ field.
6195         * main.cc (main): Pass number of input files to Layout
6196         constructor.  Don't pass options.
6198 2009-03-30  Ian Lance Taylor  <iant@google.com>
6200         * ffsll.c (ffsll): Correct implementation.
6202 2009-03-27  Ian Lance Taylor  <iant@google.com>
6204         * ffsll.c: New file.
6205         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6206         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6207         * ftruncate.c (ftruncate): Declare before definition.
6208         * mremap.c (mremap): Likewise.
6209         * pread.c (pread): Likewise.
6210         * configure, Makefile.in, config.in: Rebuild.
6212         * mremap.c: New file.
6213         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6214         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6215         (mremap): Declare if HAVE_MREMAP is not defined.
6216         * configure, Makefile.in, config.in: Rebuild.
6218 2009-03-27  Cary Coutant  <ccoutant@google.com>
6220         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6221         position independent.
6222         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6223         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6225 2009-03-24  Cary Coutant  <ccoutant@google.com>
6227         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6228         an executable.
6229         (needs_dynamic_reloc): Likewise.
6231 2009-03-24  Ian Lance Taylor  <iant@google.com>
6233         * yyscript.y (file_cmd): Recognize EXTERN.
6234         (extern_name_list, extern_name_list_body): New nonterminals.
6235         * script.cc (script_add_extern): Define.
6236         * script-c.h (script_add_extern): Declare.
6238 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6240         * object.cc (is_elf_object): Define.
6241         * object.h (is_elf_object): Declare.
6242         * archive.cc (Archive::get_elf_object_for_member): Call
6243         is_elf_object.
6244         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6246 2009-03-24  Elliott Hughes  <enh@google.com>
6248         * output.cc (Output_file::map_anonymous): Define.
6249         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6250         try an anonymous one.  Report the size if the mmap fails.
6251         * output.h (class Output_file): Declare map_anonymous.
6253 2009-03-24  Ian Lance Taylor  <iant@google.com>
6255         * target-select.cc (instantiate_target): Don't acquire the lock if
6256         the instantiated_target_ field has already been set.
6258 2009-03-23  Ian Lance Taylor  <iant@google.com>
6260         * gold-threads.h (class Initialize_lock): Define.
6261         * gold-threads.cc (class Initialize_lock_once): Define.
6262         (initialize_lock_control): New static variable.
6263         (initialize_lock_pointer): New static variable.
6264         (initialize_lock_once): New static function.
6265         (Initialize_lock::Initialize_lock): Define.
6266         (Initialize_lock::initialize): Define.
6267         * target-select.h: Include "gold-threads.h".
6268         (class Target_selector): Add lock_ and initialize_lock_ fields.
6269         Don't define instantiate_target, just declare it.
6270         * target-select.cc (Target_selector::Target_selector): Initialize
6271         new fields.
6272         (Target_selector::instantiate_target): Define.
6273         * descriptors.h: Include "gold-threads.h".
6274         (class Descriptors): Add initialize_lock_ field.
6275         * descriptors.cc (Descriptors::Descriptors): Initialize new
6276         field.
6277         (Descriptors::open): Use initialize_lock_ field
6278         * errors.h (class Errors): Add initialize_lock_ field.
6279         * errors.cc (Errors::Errors): Initialize new field.
6280         (Errors::initialize_lock): Use initialize_lock_ field.
6281         * powerpc.cc (class Target_selector_powerpc): Remove
6282         instantiated_target_ field.  In do_recognize call
6283         instantiate_target rather than do_instantiate_target.  In
6284         do_instantiate_target just allocate a new target.
6285         * sparc.cc (class Target_selector_sparc): Likewise.
6287         * freebsd.h: New file.
6288         * i386.cc: Include "freebsd.h".
6289         (Target_i386): Derive from Target_freebsd rather than
6290         Sized_target.
6291         (Target_selector_i386): Derive from Target_selector_freebsd rather
6292         than Target_selector.
6293         * x86_64.cc: Include "freebsd.h".
6294         (Target_x86_64): Derive from Target_freebsd rather than
6295         Sized_target.
6296         (Target_selector_x86_64): Derive from Target_selector_freebsd
6297         rather than Target_selector.
6298         * target.h (class Target): Add adjust_elf_header and
6299         do_adjust_elf_header.
6300         * output.cc (Output_file_header:: do_sized_write): Call target
6301         adjust_elf_header routine.
6302         * configure.tgt: Set targ_osabi.
6303         * configure.ac: Define GOLD_DEFAULT_OSABI.
6304         * parameters.cc (Parameters::default_target): Pass
6305         GOLD_DEFAULT_OSABI to select_target.
6306         * target-select.h (class Target_selector): Make instantiate_target
6307         protected rather than private.
6308         * Makefile.am (HFILES): Add freebsd.h.
6309         * configure, Makefile.in, config.in: Rebuild.
6311         * merge.cc (do_add_input_section): Correct pend value.  Change
6312         message about last entry not being null terminated from error to
6313         warning.
6315 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6317         * incremental.cc: New file.
6318         * Makefile.am (CCFILES): Add incremental.cc.
6319         * Makefile.in: Rebuild.
6321 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6323         * layout.cc (Layout::output_section_name): Preserve names
6324         of '.note.' sections.
6326 2009-03-19  Ian Lance Taylor  <iant@google.com>
6328         * descriptors.cc (Descriptors::open): Check that the options are
6329         valid before using them.
6331 2009-03-18  Ian Lance Taylor  <iant@google.com>
6333         * script-sections.h: Include <list>.
6334         (class Script_sections): Change Sections_elements from std::vector
6335         to std::list.  Typedef public Elements_iterator.  Add
6336         orphan_section_placement_, data_segment_align_start_, and
6337         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6338         field.
6339         * script-sections.cc (class Orphan_section_placement): New class.
6340         (class Sections_element): Add virtual functions is_relro and
6341         orphan_section_init.  Remove virtual function place_orphan_here.
6342         (class Output_section_definition): Add is_relro and
6343         orphan_section_init.  Remove place_orphan_here.
6344         (class Orphan_output_section): Likewise.
6345         (Script_sections::Script_sections): Update for field changes.
6346         (Script_sections::data_segment_align): Set saw_data_segment_align_
6347         and data_segment_align_start_, not data_segment_align_index.
6348         (Script_sections::data_segment_relro_end): Check
6349         saw_data_segment_align_.  Use data_segment_align_start_ rather
6350         than data_segment_align_index_.
6351         (Script_sections::place_orphan): Rewrite to use
6352         Orphan_section_placement.
6354 2009-03-17  Ian Lance Taylor  <iant@google.com>
6356         * archive.cc (Archive::add_symbols): Check for a version attached
6357         to the symbol name in the archive map.
6358         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6359         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6360         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6361         (ver_test_11.a): New target.
6362         * testsuite/Makefile.in: Rebuild.
6364         * configure.ac: Check for chsize and posix_fallocate.  Replace
6365         ftruncate.
6366         * ftruncate.c: New file, from gnulib.
6367         * output.cc (posix_fallocate): Define dummy version if not
6368         HAVE_POSIX_FALLOCATE.
6369         (Output_file::map): Call posix_fallocate rather than lseek and
6370         write.
6371         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6372         * configure, Makefile.in, config.in: Rebuild.
6374 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6376         * layout.h (Layout::create_note): Add section_name parameter.
6377         * layout.cc (Layout::create_note): Likewise.
6378         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6380 2009-03-17  Ian Lance Taylor  <iant@google.com>
6382         * descriptors.cc: Include "options.h".
6383         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6384         (Descriptors::open): Always use O_CLOEXEC when opening a new
6385         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6386         then set FD_CLOEXEC.
6388         * sparc.cc (class Target_sparc): Add has_got_section.
6389         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6390         make sure we have a GOT section.
6392         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6393         (Target_sparc::Scan::local): Likewise.
6394         (Target_sparc::Scan::global): Likewise.
6395         (Target_sparc::Relocate::relocate): Likewise.
6396         (Target_sparc::Relocate::relocate_tls): Likewise.
6398         * symtab.cc (Symbol_table::define_default_version): New function,
6399         broken out of add_from_object.
6400         (Symbol_table::add_from_object): Call define_default_version.
6401         (Symbol_table::define_special_symbol): Add resolve_oldsym
6402         parameter.  Change all callers.  If the version for a symbol comes
6403         from a version script, resolve it with the symbol with the same
6404         name with no version.  Also add the symbol without a version if
6405         appropriate.
6406         (do_define_in_output_data): If resolving with oldsym, don't delete
6407         sym.
6408         (do_define_in_output_segment): Likewise.
6409         (do_define_as_constant): Likewise.
6410         * symtab.h (class Symbol_table): Update declarations.
6412 2009-03-13  Ian Lance Taylor  <iant@google.com>
6414         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6415         (Read_symbols::requeue): New function.
6416         (Read_symbols::do_read_symbols): If make_elf_object fails because
6417         the target type is not configured, and the file was searched for,
6418         issue a warning and retry with the next directory.
6419         (Add_symbols::run): If the file has an incompatible format, and
6420         it was searched for, requeue the Read_symbols task.  On error,
6421         release the object.
6422         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6423         dirindex parameter to constructor.  Change all callers.  Declare
6424         incompatible_warning and requeue.
6425         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6426         input_argument_ and input_group_ fields.  Add them to
6427         constructor.  Change all callers.
6428         (class Read_script): Add dirindex_ field.  Add it to constructor.
6429         Change all callers.
6430         * archive.cc (Archive::setup): Remove input_objects parameter.
6431         Change all callers.
6432         (Archive::get_file_and_offset): Likewise.
6433         (Archive::read_all_symbols): Likewise.
6434         (Archive::read_symbols): Likewise.
6435         (Archive::get_elf_object_for_member): Remove input_objects
6436         parameter.  Add punconfigured parameter.  Change all callers.
6437         (Archive::add_symbols): Change return type to bool.  Check return
6438         value of include_member.
6439         (Archive::include_all_members): Likewise.
6440         (Archive::include_member): Change return type to bool.  Return
6441         false if first included object has incompatible target.  Set
6442         included_member_ field.
6443         (Add_archive_symbols::run): If add_symbols returns false, requeue
6444         Read_symbols task.
6445         * archive.h (class Archive): Add included_member_ field.
6446         Initialize it in constructor.  Add input_file and searched_for
6447         methods.  Update declarations.
6448         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6449         input_argument_ fields.  Add them to constructor.  Change all
6450         callers.
6451         * script.cc: Include "target-select.h".
6452         (class Parser_closure): Add skip_on_incompatible_target_ and
6453         found_incompatible_target_ fields.  Add
6454         skip_on_incompatible_target parameter to constructor.  Change all
6455         callers.  Add methods skip_on_incompatible_target,
6456         clear_skip_on_incompatible_target, found_incompatible_target, and
6457         set_found_incompatible_target.
6458         (read_input_script): Add dirindex parameter.  Change all callers.
6459         If parser finds an incompatible target, requeue Read_symbols
6460         task.
6461         (script_set_symbol): Clear skip_on_incompatible_target in
6462         closure.
6463         (script_add_assertion, script_parse_option): Likewise.
6464         (script_start_sections, script_add_phdr): Likewise.
6465         (script_check_output_format): New function.
6466         * script.h (read_input_script): Update declaration.
6467         * script-c.h (script_check_output_format): Declare.
6468         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6469         (ignore_cmd): Remove OUTPUT_FORMAT.
6470         * fileread.cc (Input_file::Input_file): Add explicit this.
6471         (Input_file::will_search_for): New function.
6472         (Input_file::open): Add pindex parameter.  Change all callers.
6473         * fileread.h (class Input_file): Add input_file_argument method.
6474         Declare will_search_for.  Update declarations.
6475         * object.cc (make_elf_object): Add punconfigured parameter.
6476         Change all callers.
6477         * object.h (class Object): Make input_file public.  Add
6478         searched_for method.
6479         (make_elf_object): Update declaration.
6480         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6481         restart search.
6482         * dirsearch.h (class Dirsearch): Update declaration.
6483         * options.h (class General_options): Add --warn-search-mismatch.
6484         * parameters.cc (Parameters::is_compatible_target): New function.
6485         * parameters.h (class Parameters): Declare is_compatible_target.
6486         * workqueue.cc (Workqueue::add_blocker): New function.
6487         * workqueue.h (class Workqueue): Declare add_blocker.
6489         * fileread.cc (Input_file::open): Remove options parameter.
6490         Change all callers.
6491         (Input_file::open_binary): Likewise.
6492         * script.cc (read_input_script): Likewise.
6493         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6494         options parameter from constructor.  Change all callers.
6495         (class Read_script): Likewise.
6496         * fileread.h (class Input_file): Update declarations.
6497         * script.h (read_input_script): Update declaration.
6499 2009-03-10  Nick Clifton  <nickc@redhat.com>
6501         * po/es.po: New Spanish translation.
6503 2009-03-06  Cary Coutant  <ccoutant@google.com>
6505         * options.cc (parse_short_option): Keep dash_z from registering itself.
6507 2009-03-03  Ian Lance Taylor  <iant@google.com>
6509         PR 9918
6510         * target-reloc.h (relocate_section): Pass output_section to
6511         relocate.
6512         * i386.cc (Target_i386::should_apply_static_reloc): Add
6513         output_section parameter.  Change all callers.
6514         (Target_i386::Relocate::relocate): Add output_section parameter.
6515         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6516         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6517         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6518         * testsuite/two_file_shared.sh: New script.
6519         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6520         (check_DATA): Add two_file_shared.dbg.
6521         (two_file_shared.dbg): New target.
6522         * testsuite/Makefile.in: Rebuild.
6524 2009-03-01  Ian Lance Taylor  <iant@google.com>
6526         * configure.ac: Check for byteswap.h.
6527         * configure: Rebuild.
6528         * config.in: Rebuild.
6530 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6532         * layout.cc (Layout::find_or_add_kept_section): New function.
6533         (Layout::add_comdat): Removed.
6534         * layout.h (struct Kept_section): Move out of class Layout.
6535         Remove trailing underscores from field names.  Add group_sections
6536         field.  Rename group_ field to is_group.  Change all uses.
6537         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6538         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6539         comdat_groups_ field.
6540         (Sized_relobj::include_section_group): Use
6541         find_or_add_kept_section and Kept_section::group_sections.
6542         (Sized_relobj::include_linkonce_section): Likewise.
6543         * object.cc (class Sized_relobj): Don't define Comdat_group or
6544         Comdat_group_table.  Remove find_comdat_group and
6545         add_comdat_group.  Remove comdat_groups_ field.
6546         * plugin.cc (include_comdat_group): Use
6547         Layout::find_or_add_kept_section.
6549 2009-02-28  Ian Lance Taylor  <iant@google.com>
6551         * README: --gc-sections and map files are now supported.  Document
6552         some build requirements.
6554         PR 6992
6555         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6556         relocatable link set the value of the section symbol to zero.
6557         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
6558         relocatable link don't include the section address in the local
6559         symbol value.
6561 2009-02-27  Ian Lance Taylor  <iant@google.com>
6563         PR 6811
6564         * options.h (class Search_directory): Add is_system_directory.
6565         (class General_options): Declare is_in_system_directory.
6566         * options.cc (get_relative_sysroot): Make static.
6567         (get_default_sysroot): Make static.
6568         (General_optoins::is_in_system_directory): New function.
6569         * fileread.cc (Input_file::is_in_system_directory): New function.
6570         * fileread.h (class Input_file): Declare is_in_system_directory.
6571         * object.h (class Object): Add is_in_system_directory.
6572         (class Input_objects): Remove system_library_directory_ field.
6573         * object.cc (Input_objects::add_object): Don't set
6574         system_library_directory_.
6575         (input_objects::found_in_system_library_directory): Remove.
6576         * symtab.cc (Symbol_table::write_globals): Remove input_objects
6577         parameter.  Change all callers.
6578         (Symbol_table::sized_write_globals): Likewise.
6579         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
6580         Call Object::is_in_system_directory.
6581         * symtab.h (class Symbol_table): Update declarations.
6583         PR 5990
6584         * descriptors.h (Open_descriptor): Add is_on_stack field.
6585         * descriptors.cc (Descriptors::open): If the descriptor is on the
6586         top of the stack, remove it.  Initialize is_on_stack field.
6587         (Descriptors::release): Only add pod to stack if it is not on the
6588         stack already.
6589         (Descriptors::close_some_descriptor): Clear stack_next and
6590         is_on_stack fields.
6592         PR 7091
6593         * output.cc (Output_section::find_starting_output_address): Rename
6594         from starting_output_address; add PADDR parameter; change return
6595         type.
6596         * output.h (class Output_section): Declare
6597         find_starting_output_address instead of starting_output_address.
6598         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
6599         section symbol for which we can't find a merge section.
6601         PR 9836
6602         * symtab.cc (Symbol_table::add_from_object): If the visibility is
6603         hidden or internal, force the symbol to be local.
6604         * resolve.cc (Symbol::override_visibility): Define.
6605         (Symbol::override_base): Use override_visibility.
6606         (Symbol_table::resolve): Likewise.
6607         (Symbol::override_base_with_special): Likewise.
6608         (Symbol_table::override_with_special): If the visibility is hidden
6609         or internal, force the symbol to be local.
6610         * symtab.h (class Symbol): Add set_visibility and
6611         override_visibility.
6612         * testsuite/ver_test_1.sh: New file.
6613         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
6614         (check_DATA): Add ver_test_1.syms.
6615         (ver_test_1.syms): New target.
6616         * testsuite/Makefile.in: Rebuild.
6618 2009-02-25  Cary Coutant  <ccoutant@google.com>
6620         * layout.cc (Layout::choose_output_section): Don't rename sections
6621         when using a linker script that has a SECTIONS clause.
6622         * Makefile.in: Regenerate.
6624         * testsuite/Makefile.am (script_test_5.sh): New test case.
6625         * testsuite/Makefile.in: Regenerate.
6626         * testsuite/script_test_5.cc: New file.
6627         * testsuite/script_test_5.sh: New file.
6628         * testsuite/script_test_5.t: New file.
6630 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
6632         * archive.cc (Archive::include_member): Update calls to add_symbols.
6633         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
6634         the Layout argument.
6635         * dynobj.h (do_add_symbols): Add the Layout argument.
6636         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
6637         Layout argument.
6638         * object.h (Object::add_symbols): Add the Layout argument.
6639         (Object::do_add_symbols): Add the Layout argument.
6640         (Sized_relobj::do_add_symbols): Add the Layout argument.
6641         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
6642         Unify the two versions.
6643         (Add_plugin_symbols): Remove.
6644         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
6645         (Sized_pluginobj::do_add_symbols): Unify the two versions.
6646         (Add_plugin_symbols): Remove.
6647         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
6648         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
6649         (Add_symbols::run): Make it work with Pulginobj.
6651 2009-02-06  Ian Lance Taylor  <iant@google.com>
6653         * object.cc (Sized_relobj::do_layout): Make info message start
6654         with lower case letter.
6656 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
6658         * binary.cc: Fix file comment.
6660         * options.h (enum Incremental_disposition): Define.
6661         (class General_options): Add new options: --incremental,
6662         --incremental_changed, --incremental_unchanged,
6663         --incremental_unknown.  Add incremental_disposition_ and
6664         implicit_incremental_ fields.
6665         (General_options::incremental_disposition): New function.
6666         (class Position_dependent_options): Add incremental_disposition
6667         option.
6668         (Position_dependent_options::copy_from_options): Set incremental
6669         dispositions.
6670         * options.cc (General_options::parse_incremental_changed): New
6671         function.
6672         (General_options::parse_incremental_unchanged): New function.
6673         (General_options::parse_incremental_unknown): New function.
6674         (General_options::General_options): Initialize new fields
6675         incremental_disposition_ and implicit_incremental_.
6676         (General_options::finalize): Check for uasge of --incremental-*
6677         without --incremental.
6679 2009-02-06  Chris Demetriou  <cgd@google.com>
6681         * gold.h (gold_undefined_symbol): Change to take only a Symbol
6682         pointer and to report location as the file name associated with
6683         the symbol.
6684         (gold_undefined_symbol_at_location): New function to replace the
6685         old gold_undefined_symbol functionality.
6686         * target-reloc.h (relocate_section): Update to use
6687         gold_undefined_symbol_at_location.
6688         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6689         Call gold_undefined_symbol function rather than gold_error.
6690         * errors.h (Errors::undefined_symbol): Take location as a
6691         string, rather than calculating it from a relocation.
6692         * errors.cc (Errors::fatal): Print "fatal error:" before the
6693         formatted message.
6694         (Errors::error, Errors::error_at_location): Print "error: "
6695         before the formatted message.
6696         (Errors::undefined_symbol): Take location as a string, rather
6697         than calculating it from a relocation.
6698         (gold_undefined_symbol_at_location): New function akin to
6699         old gold_undefined_symbol, calculates location from relocation.
6700         (gold_undefined_symbol): Change to take only a Symbol pointer
6701         and to report location as the file name associated with the symbol.
6702         * testsuite/debug_msg.sh: Update for changed error messages.
6703         * testsuite/undef_symbol.sh: Likewise.
6705 2009-02-04  Duncan Sands  <baldrick@free.fr>
6707         PR 9812
6708         * reduced_debug_output.h
6709         (Output_reduced_debug_abbrev_section::failed): Use format for
6710         gold_warning.
6711         (Output_reduced_debug_info_section::faild): Likewise.
6713 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
6715         * script.cc (Lazy_demangler): New class.
6716         (Version_script_info::get_symbol_version_helper): Demangle a
6717         symbol only once.
6719 2009-01-29  Cary Coutant  <ccoutant@google.com>
6721         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
6722         to __tls_get_addr.
6723         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6725 2009-01-28  Ian Lance Taylor  <iant@google.com>
6727         * version.cc (version_string): Bump to 1.9.
6729         * gold.h: Include <cstring> and <stdint.h>.
6730         * version.cc: Include <cstdio>.
6731         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
6732         warning.
6733         * reduced_debug_output.cc (insert_into_vector): Rename from
6734         Insert_into_vector; change all callers.  Use Swap_unaligned to
6735         avoid aliasing issue; remove union since it is unnecessary.
6737 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
6739         * Makefile.am (CCFILES): Add gc.cc.
6740         (HFILES): Add gc.h.
6741         * Makefile.in: Regenerate.
6742         * gold.cc (Gc_runner): New class.
6743         (queue_initial_tasks): Call garbage collection related tasks
6744         when corresponding options are invoked.
6745         (queue_middle_gc_tasks): New function.
6746         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
6747         processed early before laying out sections during garbage collection.
6748         * gold.h (queue_middle_gc_tasks): New function.
6749         (is_prefix_of): Move from "layout.cc".
6750         * i386.cc (Target_i386::gc_process_relocs): New function.
6751         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
6752         * main.cc (main): Create object of class "Garbage_collection".
6753         * object.cc (Relobj::copy_symbols_data): New function.
6754         (Relobj::is_section_name_included): New function.
6755         (Sized_relobj::do_layout): Allow this function to be called twice
6756         during garbage collection and defer layout of section during the
6757         first call.
6758         * object.h (Relobj::get_symbols_data): New function.
6759         (Relobj::is_section_name_included): New function.
6760         (Relobj::copy_symbols_data): New function.
6761         (Relobj::set_symbols_data): New function.
6762         (Relobj::get_relocs_data): New function.
6763         (Relobj::set_relocs_data): New function.
6764         (Relobj::is_output_section_offset_invalid): New pure virtual function.
6765         (Relobj::gc_process_relocs): New function.
6766         (Relobj::do_gc_process_relocs): New pure virtual function.
6767         (Relobj::sd_): New data member.
6768         (Sized_relobj::is_output_section_offset_invalid): New function.
6769         (Sized_relobj::do_gc_process_relocs): New function.
6770         * options.h (General_options::gc_sections): Modify to not be a no-op.
6771         (General_options::print_gc_sections): New option.
6772         * plugin.cc (Plugin_finish::run): Remove function call to
6773         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
6774         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
6775         * reloc.cc (Read_relocs::run): Add task to process relocs and
6776         determine unreferenced sections when doing garbage collection.
6777         (Gc_process_relocs): New class.
6778         (Sized_relobj::do_gc_process_relocs): New function.
6779         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
6780         sections that are garbage collected.
6781         * reloc.h (Gc_process_relocs): New class.
6782         * sparc.cc (Target_sparc::gc_process_relocs): New function.
6783         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
6784         symbols whose corresponding sections are garbage collected.
6785         (Symbol_table::Symbol_table): Add new parameter for the garbage
6786         collection object.
6787         (Symbol_table::gc_mark_undef_symbols): New function.
6788         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6789         (Symbol_table::gc_mark_dyn_syms): New function.
6790         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
6791         as garbage.
6792         (Symbol_table::add_from_object): Likewise.
6793         (Symbol_table::add_from_relobj): When building shared objects, do not
6794         treat externally visible symbols as garbage.
6795         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
6796         table information for static and relocatable links.
6797         * symtab.h (Symbol_table::set_gc): New function.
6798         (Symbol_table::gc): New function.
6799         (Symbol_table::gc_mark_undef_symbols): New function.
6800         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6801         (Symbol_table::gc_mark_dyn_syms): New function.
6802         (Symbol_table::gc_): New data member.
6803         * target.h (Sized_target::gc_process_relocs): New pure virtual
6804         function.
6805         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
6806         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
6808 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
6810         * options.h (General_options::gc_sections): Define as a no-op for now.
6811         (General_options::no_keep_memory): Ditto.
6812         (General_options::Bshareable): Define.
6813         * options.cc (General_options::finalize): Honor -Bshareable.
6815 2009-01-20  Andreas Schwab  <schwab@suse.de>
6817         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
6818         read the value in the contents, since we don't use it.  Use the
6819         template endianness when writing.
6820         (Relocate::relocate): Use it for R_PPC_REL16_HA.
6822 2009-01-19  Andreas Schwab  <schwab@suse.de>
6824         * configure.tgt (powerpc64-*): Fix targ_obj.
6826 2009-01-15  Ian Lance Taylor  <iant@google.com>
6828         * object.cc (Sized_relobj::write_local_symbols): Don't write out
6829         local symbols when stripping all symbols.
6831 2009-01-14  Cary Coutant  <ccoutant@google.com>
6833         * output.cc (Output_reloc): Add explicit instantiations.
6835 2009-01-14  Cary Coutant  <ccoutant@google.com>
6837         * archive.cc (Archive::get_elf_object_for_member): Remove call
6838         to File_read::claim_for_plugin.
6839         * descriptors.cc (Descriptors::open): Remove reference to
6840         is_claimed.
6841         (Descriptors::claim_for_plugin): Remove.
6842         * descriptors.h (Descriptors::claim_for_plugin): Remove.
6843         (Descriptors::is_claimed): Remove.
6844         (claim_descriptor_for_plugin): Remove.
6845         * fileread.cc (File_read::claim_for_plugin): Remove.
6846         * fileread.h (File_read::claim_for_plugin): Remove.
6847         (File_read::descriptor): Reopen descriptor if necessary.
6848         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
6849         (Plugin_manager::all_symbols_read): Add task parameter. Change
6850         all callers.
6851         (Plugin_manager::get_input_file): New function.
6852         (Plugin_manager::release_input_file): New function.
6853         (Pluginobj::Pluginobj): Add filesize parameter and initialize
6854         corresponding data member.
6855         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
6856         and pass to base constructor. Change all callers.
6857         (get_input_file, release_input_file): New functions.
6858         (make_sized_plugin_object): Add filesize parameter. Change all callers.
6859         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
6860         (Plugin_manager::all_symbols_read): Add task parameter.
6861         (Plugin_manager::get_input_file): New function.
6862         (Plugin_manager::release_input_file): New function.
6863         (Plugin_manager::task_): New data member.
6864         (Pluginobj::Pluginobj): Add filesize parameter.
6865         (Pluginobj::filename): New function.
6866         (Pluginobj::descriptor): New function.
6867         (Pluginobj::filesize): New function.
6868         (Pluginobj::filesize_): New data member.
6869         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
6870         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
6871         File_read::claim_for_plugin; use Object::unlock to unlock the file.
6873         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
6874         with archive libraries.
6875         * testsuite/Makefile.in: Regenerate.
6876         * testsuite/plugin_test.c (struct sym_info): New type.
6877         (get_input_file, release_input_file): New static variables.
6878         (onload): Capture new transfer vector entries.
6879         (claim_file_hook): Stop reading at end of file according to filesize.
6880         Factor out parsing of readelf output into separate function.
6881         (all_symbols_read_hook): Exercise get_input_file and release_input_file
6882         APIs and get the source file name from the symbol table.  Convert
6883         source file name to corresponding object file name.  Print info
6884         message when adding new input files.
6885         (parse_readelf_line): New function.
6886         * testsuite/plugin_test_1.sh: Add checks for new info messages.
6887         * testsuite/plugin_test_2.sh: Likewise.
6888         * testsuite/plugin_test_3.sh: Likewise.
6889         * testsuite/plugin_test_4.sh: New test case.
6891 2009-01-07  Ian Lance Taylor  <iant@google.com>
6893         * version.cc (version_string): Bump to 1.8.
6895 2008-12-23  Cary Coutant  <ccoutant@google.com>
6897         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
6898         * plugin.cc (Plugin_manager::finish): Rename as
6899         layout_deferred_objects.  Move cleanup to separate function.
6900         (Plugin_manager::cleanup): New function.
6901         (Plugin_finish::run): Call layout_deferred_objects and cleanup
6902         separately.
6903         * plugin.h (Plugin_manager::finish): Rename as
6904         layout_deferred_objects.
6905         (Plugin_manager::cleanup): New function.
6906         (Plugin_manager::cleanup_done): New field.
6908 2008-12-23  Cary Coutant  <ccoutant@google.com>
6910         * plugin.cc (is_visible_from_outside): New function.
6911         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
6912         so we don't return "IR only" status for exported symbols or -r links.
6914         * testsuite/Makefile.am (plugin_test_3): New test case.
6915         * testsuite/Makefile.in: Regenerate.
6916         * testsuite/plugin_test_3.sh: New file.
6918 2008-12-22  Cary Coutant  <ccoutant@google.com>
6920         * object.cc (Sized_relobj::layout_section): New function.
6921         (Sized_relobj::do_layout): Defer layout of input sections until after
6922         plugin has provided replacement files.
6923         (Sized_relobj::do_layout_deferred_sections): New function.
6924         * object.h (Relobj::set_section_offset): Remove virtual keyword.
6925         (Relobj::layout_deferred_sections): New function.
6926         (Relobj::do_layout_deferred_sections): New function.
6927         (Sized_relobj::do_layout_deferred_sections): New function.
6928         (Sized_relobj::layout_section): New function.
6929         (Sized_relobj::Deferred_layout): New structure.
6930         (Sized_relobj::deferred_layout_): New field.
6931         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
6932         Change all callers.  Layout deferred sections.
6933         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
6934         references.
6935         (Plugin_hook::run): Move code from do_plugin_hook inline.
6936         (Plugin_hook::do_plugin_hook): Remove.
6937         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
6938         (Plugin_manager::finish): Renamed, was cleanup.
6939         (Plugin_manager::should_defer_layout): New function.
6940         (Plugin_manager::add_deferred_layout_object): New function.
6941         (Plugin_manager::Deferred_layout_list): New type.
6942         (Plugin_manager::deferred_layout_objects_): New field.
6943         (Plugin_hook::do_plugin_hook): Remove.
6945 2008-12-17  Ian Lance Taylor  <iant@google.com>
6947         * options.h (class General_options): Add --no case for
6948         --export-dynamic.
6950 2008-12-16  Cary Coutant  <ccoutant@google.com>
6952         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
6953         vector.
6954         (Plugin_manager::claim_file): Create plugin object even if
6955         plugin did not call the add_symbols callback.
6956         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
6957         asking for more symbols than were added.
6958         * testsuite/Makefile.am (plugin_test_1): Add test case with
6959         no global symbols.
6960         (empty.syms): New target.
6961         * testsuite/Makefile.in: Regenerate.
6962         * testsuite/plugin_test.c (claim_file_hook): Add new debug
6963         message. Don't call add_symbols if no globals.
6964         (all_symbols_read_hook): Don't provide replacement for empty
6965         claimed file.
6967 2008-12-12  Ian Lance Taylor  <iant@google.com>
6969         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
6970         r_type == 0 for a local symbol with r_sym == 0.
6971         (scan_relocatable_relocs): Pass r_sym to
6972         local_non_section_strategy.
6973         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
6974         r_sym parameter.
6976         * configure.ac: Update test for TLS descriptors: they are
6977         supported as of glibc 2.9.
6978         * configure: Rebuild.
6980 2008-12-11  Ian Lance Taylor  <iant@google.com>
6982         PR 7091
6983         * target-reloc.h (Default_scan_relocatable_relocs): For each
6984         function, map r_type == 0 to RELOC_DISCARD.
6986 2008-12-10  Cary Coutant  <ccoutant@google.com>
6988         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
6989         object to override a kept COMDAT group from a plugin object.
6991 2008-12-09  Ian Lance Taylor  <iant@google.com>
6993         PR 7088
6994         * yyscript.y (file_cmd): Handle INPUT.
6996         * testsuite/initpri1.c: Change all declarations to be full
6997         prototypes by adding void, to avoid compiler warnings.
6999 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
7001         * options.cc (General_options::parse_plugin_opt): New.
7002         (General_options::add_plugin): The argument now is just the filename.
7003         (General_options::add_plugin_option): New.
7004         * options.h (plugin_opt): New.
7005         (add_plugin): Change argument name.
7006         (add_plugin_option): New.
7007         * plugin.cc (Plugin::load): Don't parse the plugin option.
7008         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
7009         (Plugin::add_option): New.
7010         (Plugin::args_): Change type.
7011         (Plugin::filename_): New.
7012         (Plugin_manager::add_plugin_option): New.
7013         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
7014         * testsuite/Makefile.in: Regenerate.
7016 2008-12-05  Cary Coutant  <ccoutant@google.com>
7018         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
7019         Handle --strip-lto-sections option.
7020         * options.h (strip_lto_sections): New option.
7022 2008-12-01  Cary Coutant  <ccoutant@google.com>
7024         * plugin.cc (ld_plugin_message): Change format parameter to const.
7025         Fix mismatch between new[] and delete.
7027 2008-11-14  Cary Coutant  <ccoutant@google.com>
7029         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
7030         instead of -1U.
7032 2008-11-05  Craig Silverstein  <csilvers@google.com>
7034         * options.cc (General_options::parse_dynamic_list): New function.
7035         * options.h (General_options): New flags dynamic_list,
7036         dynamic_list_data, dynamic_list_cpp_new, and
7037         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
7038         (General_options::in_dynamic_list): New function.
7039         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
7040         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
7041         (Lex::can_continue_name): Likewise.
7042         (yylex): Likewise.
7043         (read_script_file): New parameter script_options.
7044         (read_dynamic_list): New function.
7045         (Script_options::define_dynamic_list): New function.
7046         (dynamic_list_keyword_parsecodes): New variable.
7047         (dynamic_list_keywords): New variable.
7048         * script.h (Script_options::define_dynamic_list): New function
7049         prototype.
7050         (read_dynamic_list): New function prototype.
7051         * symtab.cc (strprefix): New macro.
7052         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7053         dynamic_list_data, dynamic_list_cpp_new, and
7054         dynamic_list_cpp_typeinfo.
7055         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7056         (dynamic_list_expr): New rule.
7057         (dynamic_list_nodes): Likewise.
7058         (dynamic_list_node): Likewise.
7059         * testsuite/Makefile.am (dynamic_list): New test.
7060         * testsuite/Makefile.in: Regenerated.
7061         * testsuite/dynamic_list.t: New file.
7062         * testsuite/dynamic_list.sh: New file.
7064 2008-11-05  Craig Silverstein  <csilvers@google.com>
7066         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7067         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7068         (t11_last): Likewise.
7069         * testsuite/ver_test_6.c (main): Likewise.
7071 2008-10-07  Cary Coutant  <ccoutant@google.com>
7073         * options.c (General_options::finalize): Add check for -static and
7074         -shared.
7075         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7076         is not empty.
7078 2008-10-02  Cary Coutant  <ccoutant@google.com>
7080         * plugin.cc (make_sized_plugin_object): Fix conditional
7081         compilation to work when not all targets are enabled.
7083 2008-09-29  Cary Coutant  <ccoutant@google.com>
7085         * archive.cc (Archive::get_file_and_offset): Use filename instead
7086         of name to get library path.
7087         (Archive::include_member): Unlock external member of a thin archive.
7089         * testsuite/Makefile.am (TEST_AR): New variable.
7090         (thin_archive_test_1): New test.
7091         (thin_archive_test_2): New test.
7092         * testsuite/Makefile.in: Regenerate.
7093         * testsuite/thin_archive_main.cc: New file.
7094         * testsuite/thin_archive_test_1.cc: New file.
7095         * testsuite/thin_archive_test_2.cc: New file.
7096         * testsuite/thin_archive_test_3.cc: New file.
7097         * testsuite/thin_archive_test_4.cc: New file.
7099 2008-09-29  Cary Coutant  <ccoutant@google.com>
7101         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7102         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7103         instead of -1U.
7104         (Sized_relobj::do_finalize_local_symbols): Likewise.
7105         (Sized_relobj::map_to_kept_section): Likewise.
7106         * object.h (Sized_relobj::invalid_address): New constant.
7107         (Sized_relobj::do_output_section_offset): Check for invalid_address
7108         and return -1ULL.
7109         * output.cc (Output_reloc::local_section_offset): Use constant
7110         invalid_address instead of -1U.
7111         (Output_reloc::get_address): Likewise.
7112         (Output_section::output_address): Change -1U to -1ULL.
7113         * output.h (Output_reloc::invalid_address): New constant.
7114         * reloc.cc (Sized_relobj::write_sections): Use constant
7115         invalid_address instead of -1U.
7116         (Sized_relobj::relocate_sections): Likewise.
7117         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7118         values for merge sections.
7119         * target-reloc.h (relocate_for_relocatable): Use constant
7120         invalid_address instead of -1U.
7122 2008-09-19  Cary Coutant  <ccoutant@google.com>
7124         Add plugin functionality for link-time optimization (LTO).
7125         * configure.ac (plugins): Add --enable-plugins option.
7126         * configure: Regenerate.
7127         * config.in: Regenerate.
7128         * Makefile.am (LIBDL): New variable.
7129         (CCFILES): Add plugin.cc.
7130         (HFILES): Add plugin.h.
7131         (ldadd_var): Add LIBDL.
7132         * Makefile.in: Regenerate.
7134         * archive.cc: Include "plugin.h".
7135         (Archive::setup): Don't preread archive symbols when using a plugin.
7136         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7137         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7138         files.
7139         (Archive::include_member): Add symbols from plugin objects.
7140         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7141         * descriptors.cc (Descriptors::open): Check for file descriptors
7142         abandoned by plugins.
7143         (Descriptors::claim_for_plugin): New function.
7144         * descriptors.h (Descriptors::claim_for_plugin): New function.
7145         (Open_descriptor::is_claimed): New field.
7146         (claim_descriptor_for_plugin): New function.
7147         * fileread.cc (File_read::claim_for_plugin): New function.
7148         * fileread.h (File_read::claim_for_plugin): New function.
7149         (File_read::descriptor): New function.
7150         * gold.cc: Include "plugin.h".
7151         (queue_initial_tasks): Add task to call plugin hooks for generating
7152         new object files.
7153         * main.cc: Include "plugin.h".
7154         (main): Load plugin libraries.
7155         * object.h (Pluginobj): Declare.
7156         (Object::pluginobj): New function.
7157         (Object::do_pluginobj): New function.
7158         (Object::set_target): New function.
7159         * options.cc: Include "plugin.h".
7160         (General_options::parse_plugin): New function.
7161         (General_options::General_options): Initialize plugins_ field.
7162         (General_options::add_plugin): New function.
7163         * options.h (Plugin_manager): Declare.
7164         (General_options): Add --plugin option.
7165         (General_options::has_plugins): New function.
7166         (General_options::plugins): New function.
7167         (General_options::add_plugin): New function.
7168         (General_options::plugins_): New field.
7169         * plugin.cc: New file.
7170         * plugin.h: New file.
7171         * readsyms.cc: Include "plugin.h".
7172         (Read_symbols::do_read_symbols): Check for archive before checking
7173         for ELF file.  Call plugin hooks to claim files.
7174         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7175         from a real object file; force override when processing replacement
7176         files.
7177         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7178         (Symbol::init_base_object): Likewise.
7179         (Symbol::init_base_output_data): Likewise.
7180         (Symbol::init_base_output_segment): Likewise.
7181         (Symbol::init_base_constant): Likewise.
7182         (Symbol::init_base_undefined): Likewise.
7183         (Symbol::output_section): Assert that object is not a plugin.
7184         (Symbol_table::add_from_pluginobj): New function.
7185         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7186         undefined.
7187         (Symbol_table::sized_write_globals): Likewise.
7188         (Symbol_table::add_from_pluginobj): Instantiate template.
7189         * symtab.h (Sized_pluginobj): Declare.
7190         (Symbol::in_real_elf): New function.
7191         (Symbol::set_in_real_elf): New function.
7192         (Symbol::in_real_elf_): New field.
7193         (Symbol_table::add_from_pluginobj): New function.
7195         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7196         (LIBDL): New variable.
7197         (LDADD): Add LIBDL.
7198         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7199         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7200         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7201         (MOSTLYCLEANFILES): Likewise.
7202         * testsuite/Makefile.in: Regenerate.
7203         * testsuite/plugin_test.c: New file.
7204         * testsuite/plugin_test_1.sh: New file.
7205         * testsuite/plugin_test_2.sh: New file.
7207 2008-09-16  Ian Lance Taylor  <iant@google.com>
7209         * target-reloc.h (relocate_section): Check whether a symbol is
7210         defined by the ABI before reporting an undefined symbol error.
7211         * target.h (Target::is_defined_by_abi): Make parameter const.
7212         (Target::do_is_defined_by_abi): Likewise.
7213         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7214         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7215         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7216         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7217         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7218         * testsuite/Makefile.in: Rebuild.
7220         * fileread.cc (make_view): Add casts to avoid warning.
7222 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7224         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7225         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7227 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7229         * options.h (General_options::output_is_executable): New.
7230         (General_options::output_is_pie): New.
7231         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7232         for shared libraries.
7233         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7235 2008-09-11  Chris Demetriou  <cgd@google.com>
7237         * options.h (origin): New -z option.
7238         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7239         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7240         in DT_FLAGS_1.
7242 2008-09-05  Cary Coutant  <ccoutant@google.com>
7244         * fileread.cc (File_read::make_view): Add check for attempt to map
7245         beyond end of file.
7247 2008-09-05  Cary Coutant  <ccoutant@google.com>
7249         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7250         explicit instantiations.
7252 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7254         PR gold/6858
7255         * options.cc (General_options::finalize): Allow undefined symbols
7256         in shlibs if linking -shared.
7258         PR gold/6859
7259         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7260         symbols as not needing a dynsym entry.
7262 2008-08-20  Craig Silverstein  <csilvers@google.com>
7264         * fileread.cc (File_read::open): Do not lock the file unless it
7265         was successfully opened.
7267 2008-08-14  Cary Coutant  <ccoutant@google.com>
7269         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7270         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7271         * testsuite/tls_test.cc (struct int128): 128-bit struct
7272         for testing TLS relocs with non-zero addend.
7273         (v12): New TLS variable.
7274         (t12): New test.
7275         (t_last): Add check for v12.
7276         * testsuite/tls_test.h (t12): New function.
7277         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7279 2008-08-13  Ian Lance Taylor  <iant@google.com>
7281         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7282         set tls_segment_ or relro_segment_.
7283         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7284         when appropriate.
7285         * output.h (Output_section::clear_is_relro): New function.
7286         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7287         sections specially even when output_data_ is empty.
7288         (Output_segment::maximum_alignment): When first section is relro,
7289         only force alignment for PT_LOAD segments.
7290         * script.cc (script_data_segment_align): New function.
7291         (script_data_segment_relro_end): New function.
7292         * script-c.h (script_data_segment_align): Declare.
7293         (script_data_segment_relro_end): Declare.
7294         * script-sections.h (class Script_sections): Declare
7295         data_segment_align and data_segment_relro_end.  Add fields
7296         segment_align_index_ and saw_relro_end_.
7297         * script-sections.cc (class Sections_element): Add set_is_relro
7298         virtual function.  Add new bool* parameter to place_orphan_here.
7299         Add get_output_section virtual function.
7300         (class Output_section_definition): Add set_is_relro.  Add new
7301         bool* parameter to place_orphan_here.  Add get_output_section.
7302         Add is_relro_ field.
7303         (Output_section_definition::Output_section_definition): Initialize
7304         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7305         and is_relro_ fields.
7306         (Output_section_definition::place_orphan_here): Add is_relro
7307         parameter.
7308         (Output_section_definition::set_section_addresses): Set relro for
7309         output section.
7310         (Output_section_definition::alternate_constraint): Likewise.
7311         (class Orphan_output_section): Add new bool* parameter to
7312         place_orphan_here.  Add get_output_section.
7313         (Orphan_output_section::place_orphan_here): Add is_relro
7314         parameter.
7315         (Script_sections::Script_sections): Initialize
7316         data_segment_align_index_ and saw_relro_end_.
7317         (Script_sections::data_segment_align): New function.
7318         (Script_sections::data_segment_relro_end): New function.
7319         (Script_sections::place_orphan): Set or clear is_relro.
7320         (Script_sections::set_section_addresses): Force alignment of first
7321         TLS section.
7322         * yyscript.y (exp): Call script_data_segment_align and
7323         script_data_segment_relro_end.
7324         * testsuite/relro_script_test.t: New file.
7325         * testsuite/relro_test.cc (using_script): Declare.
7326         (t1, t2): Test using_script.
7327         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7328         (relro_script_test_SOURCES): Define.
7329         (relro_script_test_DEPENDENCIES): Define.
7330         (relro_script_test_LDFLAGS): Define.
7331         (relro_script_test_LDADD): Define.
7332         (relro_script_test.so): New target.
7333         * testsuite/Makefile.in: Rebuild.
7335 2008-08-06  Cary Coutant <ccoutant@google.com>
7337         * archive.cc (Archive::total_archives, Archive::total_members)
7338         (Archive::total_members_loaded): New variables.
7339         (Archive::setup): Add parameter.  Add option to preread
7340         archive symbols.
7341         (Archive::read_armap): Add counter.
7342         (Archive::get_file_and_offset): New function.
7343         (Archive::get_elf_object_for_member): New function.
7344         (Archive::read_all_symbols): New function.
7345         (Archive::read_symbols): New function.
7346         (Archive::add_symbols): Add counters.
7347         (Archive::include_all_members): Use armap to find members if it's
7348         already built.
7349         (Archive::include_member): Skip reading symbols if already read.
7350         Factored code into Archive::get_file_and_offset and
7351         Archive::get_elf_object_for_member.  Changed call to
7352         Mapfile::report_include_archive_member.
7353         (Archive::print_stats): New function.
7354         * archive.h: Declare Object and Read_symbols_data classes.
7355         (Archive::Archive): Add initializers for new members.
7356         (Archive::setup): Add parameter.
7357         (Archive::print_stats): New function.
7358         (Archive::total_archives, Archive::total_members)
7359         (Archive::total_members_loaded): New variables.
7360         (Archive::get_file_and_offset): New function.
7361         (Archive::get_elf_object_for_member): New function.
7362         (Archive::read_all_symbols): New function.
7363         (Archive::read_symbols): New function.
7364         (Archive::Archive_member): New class.
7365         (Archive::members_): New member.
7366         (Archive::num_members_): New member.
7367         * main.cc: Include archive.h.
7368         (main): Call Archive::print_stats.
7369         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7370         archive parameter; member_name is now the fully-decorated name.
7371         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7372         * options.h: (General_options): Add --preread-archive-symbols option.
7373         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7374         Archive::setup.
7376 2008-08-04  Ian Lance Taylor  <iant@google.com>
7378         * symtab.h (Symbol::use_plt_offset): New function.
7379         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7380         * powerpc.cc (Relocate::relocate): Likewise.
7381         * sparc.cc (Relocate::relocate): Likewise.
7382         * x86_64.cc (Relocate::relocate): Likewise.
7383         * testsuite/weak_plt.sh: New test.
7384         * testsuite/weak_plt_main.cc: New test.
7385         * testsuite/weak_plt_shared.cc: New test.
7386         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7387         (check_PROGRAMS): Add weak_plt.
7388         (check_DATA): Add weak_plt_shared.so.
7389         (weak_plt_main_pic.o, weak_plt): New targets.
7390         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7391         * testsuite/Makefile.in: Rebuild.
7393         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7394         gcctestdir/ld.
7395         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7396         * testsuite/Makefile.in: Rebuild.
7398 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7400         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7401         * Makefile.in: Regenerate.
7402         * po/POTFILES.in: Regenerate.
7404 2008-07-29  Ian Lance Taylor  <iant@google.com>
7406         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7407         symbols before other symbols.
7408         * testsuite/script_test_2.cc (test_addr): Declare.
7409         (test_addr_alias): Declare.
7410         (main): Check that test_addr and test_addr_alias have the right
7411         values.
7412         * testsuite/script_test_2.t: Define test_addr_alias and
7413         test_addr.
7415 2008-07-24  Ian Lance Taylor  <iant@google.com>
7417         PR 5990
7418         * descriptors.cc: New file.
7419         * descriptors.h: New file.
7420         * gold-threads.h (class Hold_optional_lock): New class.
7421         * fileread.cc: Include "descriptors.h".
7422         (File_read::~File_read): Release descriptor rather than closing
7423         it.
7424         (File_read::open) [file]: Call open_descriptor rather than open.
7425         Set is_descriptor_opened_.
7426         (File_read::open) [memory]: Assert that descriptor is not open.
7427         (File_read::reopen_descriptor): New function.
7428         (File_read::release): Release descriptor.
7429         (File_read::do_read): Make non-const.  Reopen descriptor.
7430         (File_read::read): Make non-const.
7431         (File_read::make_view): Reopen descriptor.
7432         (File_read::do_readv): Likewise.
7433         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7434         Update declarations.
7435         * layout.cc: Include "descriptors.h".
7436         (Layout::create_build_id): Use open_descriptor rather than open.
7437         * output.cc: Include "descriptors.h".
7438         (Output_file::open): Use open_descriptor rather than open.
7439         * archive.cc (Archive::const_iterator): Change Archive to be
7440         non-const.
7441         (Archive::begin, Archive::end): Make non-const.
7442         (Archive::count_members): Likewise.
7443         * archive.h (class Archive): Update declarations.
7444         * object.h (Object::read): Make non-const.
7445         * Makefile.am (CCFILES): Add descriptors.cc.
7446         (HFILES): Add descriptors.h.
7447         * Makefile.in: Rebuild.
7449         PR 6716
7450         * gold.h: Always include <clocale>.  Add Solaris workarounds
7451         following code in binutils/sysdep.h.
7453         PR 6048
7454         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7455         this->eh_frame_hdr_ is NULL before using it.
7457         * dynobj.cc (Versions::Versions): Update comment.
7459         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7460         the base version name.
7462         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7463         array size plus one.
7464         (Stringpool_template::set_string_offsets): Subtract one from key
7465         before using it as an array index.
7466         (Stringpool_template::get_offset_with_length): Likewise.
7467         (Stringpool_template::write_to_buffer): Likewise.
7468         * stringpool.h (Stringpool_template::get_offset_from_key):
7469         Likewise.
7471 2008-07-23  Ian Lance Taylor  <iant@google.com>
7473         PR 6658
7474         * object.h (Merged_symbol_value::value): Do our best to handle a
7475         negative addend.
7477         PR 6647
7478         * script.cc (Version_script_info::get_versions): Don't add empty
7479         version tag to return value.
7480         (Version_script_info::get_symbol_version_helper): Change return
7481         type to bool.  Add pversion parameter.  Change all callers.
7482         (script_register_vers_node): Don't require a non-NULL tag.
7483         * script.h (class Version_script_info): Update declarations.
7484         (Version_script_info::get_symbol_version): Change return type to
7485         bool.  Add version parameter.  Change all callers.
7486         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7487         handling.  Handle an empty version from a version script.
7488         (Symbol_table::define_special_symbol): Likewise.
7489         * testsuite/ver_test_10.script: New file.
7490         * testsuite/ver_test_10.sh: New file.
7491         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7492         (check_DATA): Add ver_test_10.syms.
7493         (ver_test_10.syms, ver_test_10.so): New target.
7494         * testsuite/Makefile.in: Rebuild.
7496 2008-07-23  Simon Baldwin  <simonb@google.com>
7498         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7499         to zero for undefined symbols from dynamic libraries.
7501 2008-07-23  Ian Lance Taylor  <iant@google.com>
7503         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7504         Change all callers.
7505         * symtab.h (class Symbol_table): Update declaration.
7506         * testsuite/ver_test_9.cc: New file.
7507         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7508         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7509         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7510         (ver_test_9.so, ver_test_9.o): New targets.
7511         * testsuite/Makefile.in: Rebuild.
7513 2008-07-22  Ian Lance Taylor  <iant@google.com>
7515         * options.h (class General_options): Define --check-sections.
7516         * layout.cc (Layout::set_segment_offsets): Handle
7517         --check-sections.
7519         * options.h (class General_options): Define -n/--nmagic and
7520         -N/--omagic.
7521         * options.cc (General_options::finalize): For -n/--nmagic or
7522         -N/--omagic, set -static.
7523         * layout.cc (Layout::attach_allocated_section_to_segment): If
7524         -N/--omagic, don't put read-only and read-write sections in
7525         different segments.
7526         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7527         finding a read-only segment.
7528         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7529         don't set the minimum segment alignment to the common page size,
7530         and don't set the file offset to the address modulo the page size.
7531         * script-sections.cc (Script_sections::create_segments): If
7532         -n/--omagic, don't put read-only and read-write sections in
7533         different segments.
7535         * cref.cc: New file.
7536         * cref.h: New file.
7537         * options.h (class General_options): Add --print-symbol-counts.
7538         * main.cc (main): Issue defined symbol report if requested.
7539         * archive.cc (Archive::interpret_header): Make into a const member
7540         function.
7541         (Archive::add_symbols): Call Input_objects::archive_start and
7542         archive_stop.
7543         (Archive::const_iterator): Define new class.
7544         (Archive::begin, Archive::end): New functions.
7545         (Archive::include_all_members): Rewrite to use iterator.
7546         (Archive::count_members): New function.
7547         * archive.h (class Archive): Update declarations.
7548         (Archive::filename): New function.
7549         * object.cc: Include "cref.h".
7550         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7551         (Sized_relobj::do_get_global_symbol_counts): New function.
7552         (Input_objects::add_object): Add object to cross-referencer.
7553         (Input_objects::archive_start): New function.
7554         (Input_objects::archive_stop): New function.
7555         (Input_objects::print_symbol_counts): New function.
7556         * object.h: Declare Cref and Archive.
7557         (Object::get_global_symbol_counts): New function.
7558         (Object::do_get_global_symbol_counts): New pure virtual function.
7559         (class Sized_relobj): Add defined_count_ field.  Update
7560         declarations.
7561         (class Input_objects): Add cref_ field.  Update constructor.
7562         Update declarations.
7563         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
7564         defined_count_.
7565         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
7566         symbol counts.
7567         (Sized_dynobj::do_get_global_symbol_counts): New function.
7568         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
7569         defined_count_.  Update declarations.  Define Symbols typedef.
7570         * symtab.cc (Symbol_table::add_from_relobj): Add defined
7571         parameter.  Change all callers.
7572         (Symbol_table::add_from_dynobj): Add sympointers and defined
7573         parameters.  Change all callers.
7574         * symtab.h (class Symbol_table): Update declarations.
7575         * Makefile.am (CCFILES): Add cref.cc.
7576         (HFILES): Add cref.h.
7577         * Makefile.in: Rebuild.
7579 2008-07-22  Simon Baldwin  <simonb@google.com>
7581         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
7582         to zero when writing undefined symbols.
7584 2008-07-22  Ian Lance Taylor  <iant@google.com>
7586         * output.cc (Output_section::add_input_section): Don't try to
7587         merge empty merge sections.
7589 2008-07-21  Craig Silverstein  <csilvers@google.com>
7591         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7592         Include symbol version in error message.
7594 2008-07-20  Chris Demetriou  <cgd@google.com>
7596         * configure.ac (gold_cv_c_random_seed): New configured variable.
7597         (RANDOM_SEED_CFLAGS): New substituted variable.
7598         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
7599         * configure: Rebuild.
7600         * Makefile.in: Likewise.
7601         * testsuite/Makefile.in: Likewise.
7603 2008-07-18  Ian Lance Taylor  <iant@google.com>
7605         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
7606         where we see NAME/NULL and NAME/VERSION  as separate symbols.
7607         * testsuite/ver_test_main.cc (main): Call t4.
7608         (t4, t4_2a): Define.
7609         * testsuite/ver_test_2.cc (t4_2): Define.
7610         * testsuite/ver_test_2.script: Put t4_2a in VER2.
7611         * testsuite/ver_test_4.cc (t4_2a): Define.
7612         * testsuite/ver_test_4.script: Put t4_2a in VER2.
7613         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
7615 2008-07-17  Ian Lance Taylor  <iant@google.com>
7617         * dynobj.cc (Versions::add_def): If we give an error about a
7618         missing version, go ahead and create the version anyhow.
7620 2008-07-10  Ian Lance Taylor  <iant@google.com>
7622         Handle output sections with more than 0x7fffffff bytes.
7623         * object.h (class Relobj): Change map_to_output_ to
7624         output_sections_, and just keep a section pointer.  Change all
7625         uses.  Move comdat group support to Sized_relobj.
7626         (Relobj::is_section_specially_mapped): Remove.
7627         (Relobj::output_section): Remove poff parameter.  Change all
7628         callers.
7629         (Relobj::output_section_offset): New function.
7630         (Relobj::set_section_offset): Rewrite.
7631         (Relobj::map_to_output): Remove.
7632         (Relobj::output_sections): New function.
7633         (Relobj::do_output_section_offset): New pure virtual function.
7634         (Relobj::do_set_section_offset): Likewise.
7635         (class Sized_relobj): Add section_offsets_ field.  Add comdat
7636         group support from Relobj.  Update declarations.
7637         (Sized_relobj::get_output_section_offset): New function.
7638         (Sized_relobj::do_output_section_offset): New function.
7639         (Sized_relobj::do_set_section_offset): New function.
7640         * object.cc (Relobj::output_section_address): Remove.
7641         (Sized_relobj::Sized_relobj): Initialize new fields.
7642         (Sized_relobj::include_section_group): Cast find_kept_object to
7643         Sized_relobj.
7644         (Sized_relobj::include_linkonce_section): Likewise.
7645         (Sized_relobj::do_layout): Use separate arrays for output section
7646         and output offset.
7647         (Sized_relobj::do_count_local_symbols): Change map_to_output to
7648         output_sections.
7649         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
7650         output_sections and section_offsets.
7651         (Sized_relobj::write_local_symbols): Likewise.
7652         (map_to_kept_section): Compute output address directly.
7653         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
7654         output_sections and section_offsets.
7655         (Sized_relobj::write_sections): Likewise.
7656         (Sized_relobj::relocate_sections): Likewise.
7657         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
7658         * output.h (class Output_reloc): Update declarations.  Change
7659         u2_.relobj to Sized_relobj*.
7660         (class Output_data_reloc): Change add functions to use
7661         Sized_relobj*.
7662         * output.cc (Output_reloc::Output_reloc): Change relobj to
7663         Sized_relobj*.
7664         (Output_reloc::local_section_offset): Change return type to
7665         Elf_Addr.  Use get_output_section_offset.
7666         (Output_reloc::get_address): Likewise.
7667         (Output_section::is_input_address_mapped): Don't call
7668         is_section_specially_mapped.
7669         (Output_section::output_offset): Likewise.
7670         (Output_section::output_address): Likewise.
7671         (Output_section::starting_output_address): Likewise.
7672         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
7673         parameter to Sized_relobj*.
7674         (Copy_relocs::need_copy_reloc): Likewise.
7675         (Copy_relocs::save): Likewise.
7676         * copy-relocs.h (class Copy_relocs): Update declarations.
7677         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
7678         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
7679         * target-reloc.h (relocate_for_relocatable): Change
7680         offset_in_output_section type to Elf_Addr.  Change code that uses
7681         it as well.
7682         * layout.cc (Layout::layout): Always set *off.
7683         * mapfile.cc (Mapfile::print_input_section): Use
7684         output_section_offset.
7685         * i386.cc (Target_i386::copy_reloc): Change object parameter to
7686         Sized_relobj*.
7687         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
7688         * sparc.cc (Target_sparc::copy_reloc): Likewise.
7689         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
7691 2008-07-03  Ian Lance Taylor  <iant@google.com>
7693         * layout.cc (Layout::include_section): Do not discard unrecognized
7694         SHT_STRTAB sections.
7696 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
7698         * script.cc (Lex::can_continue_name): Make '?' allowable in
7699         version-script names.
7700         * testsuite/version_script.map: Change glob pattern to use '?'
7702 2008-06-30  Manish Singh  <yosh@gimp.org>
7704         PR 6585
7705         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
7706         Correct typo.
7708 2008-06-30  Ian Lance Taylor  <iant@google.com>
7710         PR 6660
7711         PR 6682
7712         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
7713         versions]: Don't try to read the value in the contents, since we
7714         don't use it.  Use the template endianness when writing.
7716 2008-06-25  Cary Coutant  <ccoutant@google.com>
7718         * fileread.cc (File_read::make_view): Assert on zero-length view.
7719         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
7720         symbol table when there are no symbols to read.
7722 2008-06-23  Craig Silverstein  <csilvers@google.com>
7724         * version.cc (version_string): Bump to 1.7
7726 2008-06-18  Craig Silverstein  <csilvers@google.com>
7728         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
7729         constant 0xFFFF to type Valtype.
7730         (Powerpc_relocate_functions::rel16_ha): Likewise.
7732 2008-06-17  Ian Lance Taylor  <iant@google.com>
7734         * output.h (Output_section::Input_section): Initialize p2align_ to
7735         zero for Output_section_data constructors.
7736         (Output_section::Input_section::addralign): If not an input
7737         section, return the alignment of the Output_section_data.
7738         * testsuite/copy_test.cc: New file.
7739         * testsuite/copy_test_1.cc: New file.
7740         * testsuite/copy_test_2.cc: New file.
7741         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
7742         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
7743         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
7744         (copy_test_1_pic.o, copy_test_1.so): New targets.
7745         (copy_test_2_pic.o, copy_test_2.so): New targets.
7746         * testsuite/Makefile.in: Rebuild.
7748         * script-sections.cc (Script_sections::place_orphan): Initialize
7749         local variable exact.
7751 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
7753         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
7755 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
7756             David S. Miller  <davem@davemloft.net>
7758         * powerpc.cc: New file.
7759         * Makefile.am (TARGETSOURCES): Add powerpc.cc
7760         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
7761         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
7762         * Makefile.in: Rebuild.
7764 2008-06-09  Ian Lance Taylor  <iant@google.com>
7766         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
7767         <exception>.
7768         (throwing, orig_terminate): New static variables.
7769         (terminate_handler): New static function.
7770         (t2): Set terminate handler.
7772 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
7774         PR 6584
7775         * binary.cc (Binary_to_elf::sized_convert): Fix .data
7776         alignment.
7778 2008-05-30  Cary Coutant  <ccoutant@google.com>
7780         * archive.cc (Archive::include_all_members) Correct to step
7781         over symbol table and extended name table in thin archives.
7783 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
7785         PR 6407
7786         * target-reloc.h (relocate_for_relocatable): Fix new_offset
7787         calculation.
7789 2008-05-28  Caleb Howe  <cshowe@google.com>
7791         * reduced_debug_output.cc: New file.
7792         * reduced_debug_output.h: New file.
7793         * options.h (class General_options): Add --strip-debug-non-line.
7794         * options.cc (General_options::finalize): Add strip_debug_non_line
7795         to the strip heirarchy.
7796         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
7797         fields.
7798         * layout.cc: Include "reduced_debug_output.h".
7799         (Layout::Layout): Initialize new fields.
7800         (line_only_debug_sections): New static array.
7801         (is_lines_only_debug_sections): New static inline function.
7802         (Layout::include_section): Handle --strip-debug-non-line.
7803         (Layout::make_output_section): If --strip-debug-non-line, build
7804         new output sections for .debug_abbrev and .debug_info.
7805         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
7806         gold.  Warn about possible overflow.
7807         (read_signed_LEB_128): Likewise.
7808         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
7809         (read_signed_LEB_128): Declare.
7810         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
7811         (HFILES): Add reduced_debug_output.h.
7812         * Makefile.in: Rebuild.
7814 2008-05-21  Ian Lance Taylor  <iant@google.com>
7816         * mapfile.cc: New file.
7817         * mapfile.h: New file.
7818         * options.h (class General_options): Add -M/--print-map and -Map.
7819         * options.cc (General_options::finalize): Make -M equivalent to
7820         -Map -.
7821         * main.cc: Include <cstdio> and "mapfile.h".
7822         (main): Open mapfile if requested.
7823         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
7824         constructor.  Change caller.
7825         (queue_initial_tasks): Add mapfile parameter.  Change caller.
7826         (queue_middle_tasks): Likewise.
7827         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
7828         declarations.
7829         * archive.cc: Include "mapfile.h".
7830         (Archive::add_symbols): Add mapfile parameter.  Change all
7831         callers.  Pass mapfile, symbol, and reason to include_member.
7832         (Archive::include_all_members): Add mapfile parameter.  Change all
7833         callers.
7834         (Archive::include_member): Add mapfile, sym, and why parameters.
7835         Change all callers.  Report inclusion to map file.
7836         * archive.h: Include "fileread.h".
7837         (class Archive): Update declarations.
7838         (Archive::file): New const method.
7839         (class Add_archive_symbols): Add mapfile_ field.  Update
7840         constructor.  Change all callers.
7841         * readsyms.h (class Read_symbols): Likewise.
7842         (class Finish_group): Likewise.
7843         (class Read_script): Likewise.
7844         * common.cc: Include "mapfile.h".
7845         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
7846         all callers.
7847         (Symbol_table::do_allocate_commons): Likewise.
7848         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
7849         symbol allocation to mapfile.
7850         * common.h (class Allocate_commons_task): Add mapfile_ field.
7851         Update constructor.  Change all callers.
7852         * symtab.h (class Symbol_table): Update declarations.
7853         * layout.cc: Include "mapfile.h".
7854         (Layout_task_runner::run): Print information to mapfile.
7855         (Layout::create_gold_note): Change Output_data_fixed_space to
7856         Output_data_zero_fill.
7857         (Layout::create_build_id): Likewise.
7858         (Layout::print_to_mapfile): New function.
7859         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
7860         constructor.  Change caller.
7861         (class Layout): Declare print_to_mapfile.
7862         * output.cc (Output_section::Input_section::print_to_mapfile): New
7863         function.
7864         (Output_section::add_input_section): If producing a map, always
7865         add to input_sections_ list.
7866         (Output_section::do_print_to_mapfile): New function.
7867         (Output_segment::print_sections_to_mapfile): New function.
7868         (Output_segment::print_section_list_to_mapfile): New function.
7869         * output.h: Include "mapfile.h".
7870         (Output_data::print_to_mapfile): New function.
7871         (Output_data::do_print_to_mapfile): New virtual function.
7872         (Output_segment_headers::do_print_to_mapfile): New function.
7873         (Output_file_header::do_print_to_mapfile): New function.
7874         (Output_data_const::do_print_to_mapfile): New function.
7875         (class Output_data_const_buffer): Add map_name_ field.  Update
7876         constructor.  Change all callers.  Add do_print_to_mapfile
7877         function.
7878         (class Output_data_fixed_space): Likewise.
7879         (class Output_data_space): Likewise.
7880         (class Output_data_zero_fill): New class.
7881         (Output_data_strtab::do_print_to_mapfile): New function.
7882         (Output_data_reloc_base::do_print_to_mapfile): New function.
7883         (Output_relocatable_relocs::do_print_to_mapfile): New function.
7884         (Output_data_group::do_print_to_mapfile): New function.
7885         (Output_data_got::do_print_to_mapfile): New function.
7886         (Output_data_dynamic::do_print_to_mapfile): New function.
7887         (Output_symtab_xindex::do_print_to_mapfile): New function.
7888         (class Output_section): Declare do_print_to_mapflie.  Declare
7889         print_to_mapfile in Input_section.
7890         (class Output_segment): Declare new functions.
7891         * object.h (Sized_relobj::symbol_count): New function.
7892         * script-sections.cc
7893         (Output_section_element_dot_assignment::set_section_addresses):
7894         Change Output_data_fixed_space to Output_data_zero_fill.
7895         (Output_data_expression::do_print_to_mapfile): New function.
7896         * script.cc (read_input_script): Add mapfile parameter.  Change
7897         all callers.
7898         * script.h (read_input_script): Update declaration.
7899         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
7900         (Eh_frame::do_print_to_mapfile): New function.
7901         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
7902         (Output_merge_string::do_print_to_mapfile): New function.
7903         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
7904         function.
7905         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
7906         function.
7907         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
7908         function.
7909         * Makefile.am (CCFILES): Add mapfile.cc.
7910         (HFILES): Add mapfile.h.
7911         * Makefile.in: Rebuild.
7913 2008-05-19  Ian Lance Taylor  <iant@google.com>
7915         * options.h (class General_options): Add -z relro.
7916         * layout.cc (Layout::Layout): Initialize relro_segment_.
7917         (Layout::add_output_section_data): Return the output section.
7918         (Layout::make_output_section): Rcognize relro sections and mark
7919         them appropriately.
7920         (Layout::attach_allocated_section_to_segment): Put relro sections
7921         in a PT_GNU_RELRO segment.
7922         (Layout::create_initial_dynamic_sections): Mark the .dynamic
7923         section as relro.
7924         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
7925         PT_TLS segments.
7926         (Layout::linkonce_mapping): Map d.rel.ro.local to
7927         .data.rel.ro.local.
7928         (Layout::output_section_name): Us .data.rel.ro.local for any
7929         section which begins with that.
7930         * layout.h (class Layout): Update add_output_section_data
7931         declaration.  Add relro_segment_ field.
7932         * output.cc (Output_section::Output_section): Initialize is_relro_
7933         and is_relro_local_ fields.
7934         (Output_segment::add_output_section): Group relro sections.
7935         (Output_segment::is_first_section_relro): New function.
7936         (Output_segment::maximum_alignment): If there is a relro section,
7937         align the segment to the common page size.
7938         (Output_segment::set_section_addresses): Track whether we are
7939         looking at relro sections.  If the last section is a relro
7940         section, align to the common page size.
7941         (Output_segment::set_section_list_addresses): Add in_relro
7942         parameter.  Change all callers.  Align to the page size when
7943         moving from relro to non-relro section.
7944         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
7945         segment.
7946         * output.h (class Output_section): Add is_relro_ and
7947         is_relro_local_ fields.
7948         (Output_section::is_relro): New function.
7949         (Output_section::set_is_relro): New function.
7950         (Output_section::is_relro_local): New function.
7951         (Output_section::set_is_relro_local): New function.
7952         (class Output_segment): Update declarations.
7953         * i386.cc (Target_i386::got_section): Mark .got section as relro.
7954         * sparc.cc (Target_sparc::got_section): Likewise.
7955         * x86_64.cc (Target_x86_64::got_section): Likewise.
7956         * testsuite/relro_test_main.cc: New file.
7957         * testsuite/relro_test.cc: New file.
7958         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
7959         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
7960         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
7961         (relro_test.so, relro_test_pic.o): New targets.
7962         * testsuite/Makefile.in: Rebuild.
7964 2008-05-16  Ian Lance Taylor  <iant@google.com>
7966         * output.cc (Output_segment::add_output_section): Remove front
7967         parameter.
7968         * output.h (class Output_segment): Remove
7969         add_initial_output_section and overloaded add_output_section.
7970         Update declaration of remaining add_output_section.
7971         * layout.cc (Layout::create_interp): Call add_output_section
7972         rather than add_initial_output_section.
7973         (Layout::finish_dynamic_section): Likewise.
7975         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
7976         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
7977         know the dynamic type.
7978         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
7979         field.  Initialize it in constructor.
7980         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
7981         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
7982         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
7983         reloc.
7985         * output.cc (Output_reloc::get_address): Change return type to
7986         Elf_Addr.
7987         * output.h (class Output_reloc): Update get_address declaration.
7988         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
7989         for section addresses.
7991 2008-05-09  Ian Lance Taylor  <iant@google.com>
7993         PR 6493
7994         * gold.cc (gold_nomem): Use return value of write.
7996 2008-05-08  Ian Lance Taylor  <iant@google.com>
7998         * symtab.c (Symbol::init_base_output_data): Add version
7999         parameter.  Change all callers.
8000         (Symbol::init_base_output_segment): Likewise.
8001         (Symbol::init_base_constant): Likewise.
8002         (Symbol::init_base_undefined): Likewise.
8003         (Sized_symbol::init_output_data): Likewise.
8004         (Sized_symbol::init_output_segment): Likewise.
8005         (Sized_symbol::init_constant): Likewise.
8006         (Sized_symbol::init_undefined): Likewise.
8007         (Symbol_table::do_define_in_output_data): If the new symbol has a
8008         version, mark it as the default.
8009         (Symbol_table::do_define_in_output_segment): Likewise.
8010         (Symbol_table::do_define_as_constant): Likewise.
8011         * symtab.h (class Symbol): Update declarations.
8012         (class Sized_symbol): Likewise.
8013         * resolve.cc (Symbol::override_version): New function.
8014         (Symbol::override_base): Call override_version.
8015         (Symbol::override_base_with_special): Likewise.
8016         * testsuite/ver_script_8.script: New file.
8017         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
8018         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
8019         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
8020         (ver_test_8_1.so, ver_test_8_2.so): New targets.
8022 2008-05-06  Ian Lance Taylor  <iant@google.com>
8024         PR 6049
8025         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
8026         functions.
8027         (class General_options): Remove existing --undefined, and add
8028         --no-undefined instead.  Add new --undefined as synonym for -u.
8029         * archive.cc (Archive::add_symbols): Check whether symbol was
8030         named with -u.
8031         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
8032         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
8033         all uses.  Add IS_UNDEFINED.  Update declarations to split
8034         different versions of init_base.  Declare init_base_undefined.
8035         (Symbol::is_defined): Handle IS_UNDEFINED.
8036         (Symbol::is_undefined): Likewise.
8037         (Symbol::is_weak_undefined): Call is_undefined.
8038         (Symbol::is_absolute): Handle IS_CONSTANT.
8039         (class Sized_symbol): Update declarations to split different
8040         versions of init.  Declare init_undefined.
8041         (class Symbol_table): Declare new functions.
8042         * symtab.cc (Symbol::init_base_object): Rename from init_base.
8043         Change all callers.
8044         (Symbol::init_base_output_data): Likewise.
8045         (Symbol::init_base_output_segment): Likewise.
8046         (Symbol::init_base_constant): Likewise.
8047         (Symbol::init_base_undefined): New function.
8048         (Sized_symbol::init_object): Rename from init.  Change all
8049         callers.
8050         (Sized_symbol::init_output_data): Likewise.
8051         (Sized_symbol::init_output_segment): Likewise.
8052         (Sized_symbol::init_constant): Likewise.
8053         (Sized_symbol::init_undefined): New function.
8054         (Symbol_table::add_undefined_symbols_from_command_line): New
8055         function.
8056         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8057         function.
8058         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8059         (Symbol::output_section): Likewise.
8060         (Symbol::set_output_section): Likewise.
8061         (Symbol_table::sized_finalize_symbol): Likewise.
8062         (Symbol_table::sized_write_globals): Likewise.
8063         * resolve.cc (Symbol_table::should_override): Likewise.
8064         (Symbol::override_base_with_special): Likewise.
8066         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8067         symbol, change it to have default visibility.
8068         * testsuite/protected_1.cc: New file.
8069         * testsuite/protected_2.cc: New file.
8070         * testsuite/protected_3.cc: New file.
8071         * testsuite/protected_main_1.cc: New file.
8072         * testsuite/protected_main_2.cc: New file.
8073         * testsuite/protected_main_3.cc: New file.
8074         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8075         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8076         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8077         (protected_1.so): New target.
8078         (protected_1_pic.o, protected_2_pic.o): New targets.
8079         (protected_3_pic.o): New target.
8080         (check_PROGRAMS): Add protected_2.
8081         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8082         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8083         * testsuite/Makefile.in: Rebuild.
8085         * options.h (DEFINE_var): Add set_user_set_##varname__.
8086         (DEFINE_bool_alias): New macro.
8087         (class General_options): Define -Bstatic using DEFINE_bool_alias
8088         rather than DEFINE_special.  Add --undefined as an alias for -z
8089         defs.
8090         * options.cc (General_options::parse_Bstatic): Remove.
8092         * options.h (class General_options): Add --fatal-warnings.
8093         * main.cc (main): Implement --fatal-warnings.
8094         * errors.h (Errors::warning_count): New function.
8096         * options.h (class General_options): Add -Bsymbolic-functions.
8097         * symtab.h (Symbol::is_preemptible): Check for
8098         -Bsymbolic-functions.
8100 2008-05-05  Ian Lance Taylor  <iant@google.com>
8102         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8103         as noVARNAME rather than no-VARNAME.
8104         (class General_options): Add option -z combreloc.
8105         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8106         get_address.
8107         (Output_reloc::sort_before) [SHT_REL]: New function.
8108         (Output_reloc::sort_before) [SHT_RELA]: New function.
8109         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8110         Sort_relocs_comparison.
8111         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8112         parameter.  Change all callers.
8113         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8114         sort_relocs parameter.  Change all callers.
8115         * output.cc (Output_reloc::get_address): New function, broken out
8116         of write_rel.
8117         (Output_reloc::write_rel): Call it.
8118         (Output_reloc::compare): New function.
8119         (Output_data_reloc_base::do_write): Optionally sort relocs.
8121         * configure.ac: If targ_extra_obj is set, link it in.
8122         * configure.tgt: Initialize all variables.
8123         (x86_64*): Set targ_extra_obj and targ_extra_size.
8124         * configure: Rebuild.
8126         * object.cc (Sized_relobj::include_section_group): Adjust section
8127         indexes read from group data.  Build vector to pass to
8128         layout_group.
8129         * layout.cc (Layout::layout_group): Add flags and shndxes
8130         parameters.  Remove contents parameter.  Change caller.  Update
8131         explicit instantiations.
8132         * layout.h (class Layout): Update layout_group declaration.
8133         * output.cc (Output_data_group::Output_data_group): Add flags and
8134         input_shndxes parameters.  Remove contents parameter.  Change
8135         caller.
8136         (Output_data_group::do_write): Change input_sections_ to
8137         input_shndxes_.
8138         * output.h (class Output_data_group): Update constructor
8139         declaration.  Rename input_sections_ to input_shndxes_.
8140         * testsuite/many_sections_test.cc: Add template.
8142 2008-04-30  Cary Coutant  <ccoutant@google.com>
8144         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8146         * layout.cc (Layout::include_section): Refactored check for debug
8147         info section.
8148         (Layout::add_comdat): Add new parameters.  Change type
8149         of signature parameter.  Add object and shndx to signatures table.
8150         (Layout::find_kept_object): New function.
8151         * layout.h: Include <cstring>.
8152         (Layout::is_debug_info_section): New function.
8153         (Layout::add_comdat): Add new parameters.
8154         (Layout::find_kept_object): New function.
8155         (Layout::Kept_section): New struct.
8156         (Layout::Signatures): Change type of map range.
8157         * object.cc (Relobj::output_section_address): New function.
8158         (Sized_relobj::include_section_group): Add new parameters.  Change
8159         calls to Layout::add_comdat.  Change to build table of kept comdat
8160         groups and table mapping discarded sections to kept sections.
8161         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8162         (Sized_relobj::do_layout): Change calls to include_section_group and
8163         include_linkonce_section.
8164         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8165         value to zero when section is discarded.
8166         (Sized_relobj::map_to_kept_section): New function.
8167         * object.h (Relobj::output_section_address): New function.
8168         (Relobj::Comdat_group): New type.
8169         (Relobj::find_comdat_group): New function.
8170         (Relobj::Comdat_group_table): New type.
8171         (Relobj::Kept_comdat_section): New type.
8172         (Relobj::Kept_comdat_section_table): New type.
8173         (Relobj::add_comdat_group): New function.
8174         (Relobj::set_kept_comdat_section): New function.
8175         (Relobj::get_kept_comdat_section): New function.
8176         (Relobj::comdat_groups_): New field.
8177         (Relobj::kept_comdat_sections_): New field.
8178         (Symbol_value::input_value): Update comment.
8179         (Sized_relobj::map_to_kept_section) New function.
8180         (Sized_relobj::include_linkonce_section): Add new parameter.
8181         * target-reloc.h (Comdat_behavior): New type.
8182         (get_comdat_behavior): New function.
8183         (relocate_section): Add code to map a discarded section to the
8184         corresponding kept section when applying a relocation.
8186 2008-04-30  Craig Silverstein  <csilvers@google.com>
8188         * dwarf_reader.cc (next_generation_count): New static var.
8189         (Addr2line_cache_entry): New struct.
8190         (addr2line_cache): New static var.
8191         (Dwarf_line_info::one_addr2line): Added caching.
8192         (Dwarf_line_info::clear_addr2line_cache): New function.
8193         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8194         cache-size parameter.
8195         (Dwarf_line_info::one_addr2line_cache): New function.
8196         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8197         new cache-size argument to one_addr2line(), and clear cache.
8199 2008-04-28  Cary Coutant  <ccoutant@google.com>
8201         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8202         R_386_PC8 relocations.
8204 2008-04-23  Ian Lance Taylor  <iant@google.com>
8206         * object.cc (Sized_relobj::include_section_group): Check for
8207         invalid section group.
8209         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8210         header size.
8212         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8213         than read for file header.
8214         * archive.cc (Archive::include_member): Likewise.
8216 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8218         * aclocal.m4: Regenerate.
8219         * configure: Regenerate.
8221 2008-04-19  Ian Lance Taylor  <iant@google.com>
8223         * version.cc (version_string): Bump to 1.6.
8225         * testsuite/Makefile.am (many_sections_r_test): New target.
8226         (many_sections_r_test_SOURCES): Remove.
8227         (many_sections_r_test_DEPENDENCIES): Remove.
8228         (many_sections_r_test_LDFLAGS): Remove.
8229         (many_sections_r_test_LDADD): Remove.
8231         * object.cc (Sized_relobj::do_add_symbols): Always pass
8232         local_symbol_count_ to add_from_relobj.
8234         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8235         every thousand variables.
8236         * testsuite/Makefile.in: Rebuild.
8238         * object.cc (Xindex::initialize_symtab_xindex): New function.
8239         (Xindex::read_symtab_xindex): New function.
8240         (Xindex::sym_xindex_to_shndx): New function.
8241         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8242         available.
8243         (Sized_relobj::do_initialize_xindex): New function.
8244         (Sized_relobj::do_read_symbols): Adjust section links.
8245         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8246         parameter.  Change all callers.
8247         (Sized_relobj::include_section_group): Adjust section links and
8248         symbol section indexes.
8249         (Sized_relobj::do_layout): Adjust section links.
8250         (Sized_relobj::do_count_local_symbols): Adjust section links and
8251         symbol section indexes.
8252         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8253         ordinary and special symbols.
8254         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8255         dynsym_xindex parameters.  Change all callers.  Adjust section
8256         links.  Use SHN_XINDEX when needed.
8257         (Sized_relobj::get_symbol_location_info): Adjust section links.
8258         Don't get fooled by special symbols.
8259         * object.h (class Xindex): Define.
8260         (class Object): Add xindex_ parameter.  Declare virtual functoin
8261         do_initialize_xindex.
8262         (Object::adjust_sym_shndx): New function.
8263         (Object::set_xindex): New protected function.
8264         (class Symbol_value): Add is_ordinary_shndx_ field.
8265         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8266         (Symbol_value::value): Assert ordinary section.
8267         (Symbol_value::initialize_input_to_output_map): Likewise.
8268         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8269         Change all callers.
8270         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8271         all callers.
8272         (class Sized_relobj): Update declarations.
8273         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8274         parameter.  Change all callers.
8275         (Sized_relobj::adjust_shndx): New function.
8276         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8277         field.
8278         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8279         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8280         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8281         (Sized_dynobj::read_dynsym_section): Adjust section links.
8282         (Sized_dynobj::read_dynamic): Likewise.
8283         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8284         section links.
8285         (Sized_dynobj::do_initialize_xindex): New function.
8286         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8287         do_initialize_xindex.
8288         (Sized_dynobj::adjust_shndx): New function.
8289         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8290         dynsym_xindex_ fields.
8291         (Layout::finalize): Add a call to set_section_indexes before
8292         creating the symtab sections.
8293         (Layout::set_section_indexes): Don't do anything if the section
8294         already has a section index.
8295         (Layout::create_symtab_sections): Add shnum parameter.  Change
8296         caller.  Create .symtab_shndx section if needed.
8297         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8298         caller.
8299         (Layout::allocated_output_section_count): New function.
8300         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8301         needed.
8302         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8303         fields.  Update declarations.
8304         (Layout::symtab_xindex): New function.
8305         (Layout::dynsym_xindex): New function.
8306         (class Write_symbols_task): Add layout_ field.
8307         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8308         Change caller.
8309         * output.cc (Output_section_headers::Output_section_headers): Add
8310         shstrtab_section parameter.  Change all callers.
8311         (Output_section_headers::do_sized_write): Store overflow values
8312         for section count and section string table section index in
8313         section header zero.
8314         (Output_file_header::do_sized_write): Check for overflow of
8315         section count and section string table section index.
8316         (Output_symtab_xindex::do_write): New function.
8317         (Output_symtab_xindex::endian_do_write): New function.
8318         * output.h (class Output_section_headers): Add shstrtab_section_.
8319         Update declarations.
8320         (class Output_symtab_xindex): Define.
8321         (Output_section::has_out_shndx): New function.
8322         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8323         field.
8324         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8325         Change all callers.
8326         (Sized_symbol::init): Likewise.
8327         (Symbol::output_section): Check for ordinary symbol.
8328         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8329         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8330         callers.
8331         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8332         Change all callers.  Simplify handling of symbols from sections
8333         not included in the link.
8334         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8335         distinction.
8336         (Weak_alias_sorter::operator()): Assert that symbols are
8337         ordinary.
8338         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8339         distinction.
8340         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8341         parameters.  Change all callers.
8342         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8343         symbol distinction.  Use SHN_XINDEX when needed.
8344         (Symbol_table::write_section_symbol): Add symtab_xindex
8345         parameter.  Change all callers.
8346         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8347         SHN_XINDEX when needed.
8348         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8349         declarations.
8350         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8351         (Symbol::is_defined): Check is_ordinary.
8352         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8353         (Symbol::is_absolute, Symbol::is_common): Likewise.
8354         (class Sized_symbol): Update declarations.
8355         (class Symbol_table): Update declarations.
8356         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8357         parameters.  Change all callers.
8358         (Sized_symbol::override): Likewise.
8359         (Symbol_table::override): Likewise.
8360         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8361         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8362         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8363         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8364         to be in an ordinary section.
8365         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8366         object and is_ordinary parameters.  Change all callers.
8367         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8368         Change all callers.  Don't add undefined or non-ordinary symbols
8369         to reloc_map_.
8370         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8371         Change all callers.
8372         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8373         declarations.
8374         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8375         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8376         (Sized_relobj::relocate_sections): Likewise.
8377         * target-reloc.h (scan_relocs): Adjust section symbol index.
8378         (scan_relocatable_relocs): Likewise.
8379         * i386.cc (Scan::local): Check for ordinary symbols.
8380         * sparc.cc (Scan::local): Likewise.
8381         * x86_64.cc (Scan::local): Likewise.
8382         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8383         to symbol_section_and_value.
8384         * testsuite/many_sections_test.cc: New file.
8385         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8386         (check_PROGRAMS): Add many_sections_test.
8387         (many_sections_test_SOURCES): Define.
8388         (many_sections_test_DEPENDENCIES): Define.
8389         (many_sections_test_LDFLAGS): Define.
8390         (BUILT_SOURCES): Add many_sections_define.h.
8391         (many_sections_define.h): New target.
8392         (BUILT_SOURCES): Add many_sections_check.h.
8393         (many_sections_check.h): New target.
8394         (check_PROGRAMS): Add many_sections_r_test.
8395         (many_sections_r_test_SOURCES): Define.
8396         (many_sections_r_test_DEPENDENCIES): Define.
8397         (many_sections_r_test_LDFLAGS): Define.
8398         (many_sections_r_test_LDADD): Define.
8399         (many_sections_r_test.o): New target.
8400         * testsuite/Makefile.in: Rebuild.
8402 2008-04-17  Cary Coutant  <ccoutant@google.com>
8404         * errors.cc (Errors::info): New function.
8405         (gold_info): New function.
8406         * errors.h (Errors::info): New function.
8407         * gold.h (gold_info): New function.
8408         * object.cc (Input_objects::add_object): Print trace output.
8409         * options.cc (options::parse_set): New function.
8410         (General_options::parse_wrap): Deleted.
8411         (General_options::General_options): Deleted initializer.
8412         * options.h (options::String_set): New typedef.
8413         (options::parse_set): New function.
8414         (DEFINE_set): New macro.
8415         (General_options::wrap): Changed to use DEFINE_set. Changed
8416         callers of any_wrap_symbols and is_wrap_symbol.
8417         (General_options::trace, General_options::trace_symbol):
8418         New options.
8419         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8420         (General_options::wrap_symbols_): Deleted.
8421         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8423 2008-04-17  David S. Miller  <davem@davemloft.net>
8425         * options.cc (General_options::parse_V): New function.
8426         * options.h: Add entries for -V and -Qy.
8428 2008-04-17  Ian Lance Taylor  <iant@google.com>
8430         * common.cc (Symbol_table::allocate_commons): Remove options
8431         parameter.  Change caller.
8432         (Symbol_table::do_allocate_commons): Remove options parameter.
8433         Change caller.  Just call do_allocate_commons_list twice.
8434         (Symbol_table::do_allocate_commons_list): New function, broken out
8435         of do_allocate_commons.
8436         * common.h (class Allocate_commons_task): Remove options_ field.
8437         Update constructor.
8438         * symtab.cc (Symbol_table::Symbol_table): Initialize
8439         tls_commons_.
8440         (Symbol_table::add_from_object): Put TLS common symbols on
8441         tls_commons_ list.
8442         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8443         which are IN_OUTPUT_DATA.
8444         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8445         allocate_commons and do_allocate_commons declarations.  Declare
8446         do_allocate_commons_list.
8447         * gold.cc (queue_middle_tasks): Update creation of
8448         Allocate_commons_task to not pass options.
8449         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8450         (TLS_TEST_C_FLAGS): New variable.
8451         (tls_test_c_pic.o): New target.
8452         (tls_test_shared.so): Link in tls_test_c_pic.o.
8453         (tls_test_c_pic_ie.o): New target.
8454         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8455         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8456         (tls_test_c.o): New target.
8457         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8458         (tls_pic_test_LDADD): Likewise.
8459         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8460         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8461         (tls_test_c_gnu2.o): New target.
8462         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8463         tls_test_c_gnu2.o.
8464         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8465         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8466         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8467         * testsuite/tls_test.cc: Include "config.h".
8468         (t_last): Call t11_last.
8469         * testsuite/tls_test.h (t11, t11_last): Declare.
8470         * testsuite/tls_test_c.c: New file.
8471         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8472         * configure.ac: Check for OpenMP support.
8473         * configure, config.in, Makefile.in: Rebuild.
8474         * testsuite/Makefile.in: Rebuild.
8476 2008-04-16  Cary Coutant  <ccoutant@google.com>
8478         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8479         (Target_i386::tls_base_symbol_defined_): New field.
8480         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8481         (Target_i386::Scan::global): Likewise.
8482         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8483         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8484         (Target_x86_64::tls_base_symbol_defined_): New field.
8485         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8486         (Target_x86_64::Scan::global): Likewise.
8488 2008-04-16  Cary Coutant  <ccoutant@google.com>
8490         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8491         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8492         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8493         building shared libraries.
8494         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8495         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8496         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8497         * testsuite/Makefile.in: Rebuild.
8498         * testsuite/weak_undef.h: New file.
8499         * testsuite/weak_undef_file1.cc: Add extra test cases.
8500         * testsuite/weak_undef_file2.cc: Likewise.
8501         * testsuite/weak_undef_test.cc: Likewise.
8503 2008-04-16  David S. Miller  <davem@davemloft.net>
8505         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8506         Add issued_non_pic_error_ field.  Declare check_non_pic.
8507         (Target_sparc::Scan::check_non_pic): New function.
8508         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8509         (Target_sparc::Scan::global): Likewise.
8511         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8512         * configure: Rebuild.
8514         * options.h (DEFINE_enable): New macro.
8515         (new_dtags): New enable option.
8516         (initfirst, interpose, loadfltr, nodefaultlib,
8517         nodelete, nodlopen, nodump): New -z options.
8518         * layout.cc (Layout:finish_dynamic_section): If new
8519         dtags enabled, emit DT_RUNPATH.  Also, emit a
8520         DT_FLAGS_1 containing any specified -z flags.
8522 2008-04-16  Ian Lance Taylor  <iant@google.com>
8524         * copy-relocs.cc: New file.
8525         * copy-relocs.h: New file.
8526         * reloc.cc: Remove Copy_relocs code.
8527         * reloc.h: Likewise.
8528         * reloc-types.h (struct Reloc_types) [both versions]: Add
8529         get_reloc_addend_noerror.
8530         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8531         variants of add_global which take an addend which must be zero.
8532         * i386.cc: Include "copy-relocs.h".
8533         (class Target_i386): Change type of copy_relocs_ to variable,
8534         update initializer.
8535         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8536         Change all callers.
8537         (Target_i386::do_finalize_sections): Change handling of
8538         copy_relocs_.
8539         * sparc.cc: Include "copy-relocs.h".
8540         (class Target_sparc): Change type of copy_relocs_ to variable,
8541         update initializer.
8542         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8543         Change all callers.
8544         (Target_sparc::do_finalize_sections): Change handling of
8545         copy_relocs_.
8546         * x86_64.cc: Include "copy-relocs.h".
8547         (class Target_x86_64): Change type of copy_relocs_ to variable,
8548         update initializer.
8549         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8550         class.  Change all callers.
8551         (Target_x86_64::do_finalize_sections): Change handling of
8552         copy_relocs_.
8553         * Makefile.am (CCFILES): Add copy-relocs.cc.
8554         (HFILES): Add copy-relocs.h.
8556         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
8558         * testsuite/script_test_4.sh: Permit leading zeroes.
8560 2008-04-15  Ian Lance Taylor  <iant@google.com>
8562         * script-sections.cc (Script_sections::create_segments): Use
8563         header_size_adjustment even when there is enough room for the
8564         headers.
8565         * testsuite/script_test_4.sh: New file.
8566         * testsuite/script_test_4.t: New file.
8567         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
8568         (check_DATA): Add script_test_4.stdout.
8569         (MOSTLYCLEANFILES): Likewise.
8570         (script_test_4): New target.
8571         (script_test_4.stdout): New target.
8572         * testsuite/Makefile.in: Rebuild.
8574         * sparc.cc: Add definitions for Output_data_plt_sparc class
8575         constants.
8577 2008-04-14  David S. Miller  <davem@davemloft.net>
8579         * sparc.cc: New file.
8580         * Makefile.am (TARGETSOURCES): Add sparc.cc
8581         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
8582         * configure.tgt: Document targ_extra_size and
8583         targ_extra_big_endian.  Add entries for sparc-* and
8584         sparc64-*.
8585         * configure.ac: Handle targ_extra_size and
8586         targ_extra_big_endian.
8587         * Makefile.in: Rebuild.
8588         * configure: Likewise.
8589         * po/POTFILES.in: Likewise.
8590         * po/gold.pot: Likewise.
8592 2008-04-14  Ian Lance Taylor  <iant@google.com>
8594         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
8595         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
8596         in the name/type/flags to section mapping.  Don't call
8597         allocate_output_section.
8598         (Layout::choose_output_section): Change parameter from adjust_name
8599         to is_input_section.  Don't permit input sections after sections
8600         are attached to segments.  Don't call allocate_output_section.
8601         (Layout::layout_eh_frame): Call update_flags_for_input_section,
8602         not write_enable_output_section.
8603         (Layout::make_output_section): Don't push to
8604         unattached_section_list_ nor call attach_to_segment.  Call
8605         attach_section_to_segment if sections are attached.
8606         (Layout::attach_sections_to_segments): New function.
8607         (Layout::attach_section_to_segment): New function.
8608         (Layout::attach_allocated_section_to_segment): Rename from
8609         attach_to_segment.  Remove flags parameter.
8610         (Layout::allocate_output_section): Remove function.
8611         (Layout::write_enable_output_section): Remove function.
8612         * layout.h (class Layout): Update for above changes.  Add new
8613         field sections_are_attached_.
8614         * output.h (Output_section::update_flags_for_input_section): New
8615         function.
8616         * output.cc (Output_section::add_input_section): Call
8617         update_flags_for_input_section.
8618         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
8620 2008-04-11  Cary Coutant  <ccoutant@google.com>
8622         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
8623         thought unnecessary.
8624         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
8626 2008-04-11  Ian Lance Taylor  <iant@google.com>
8628         * output.h (class Output_section_data): Remove inline definition
8629         of set_addralign.
8630         * output.cc (Output_section_data::set_addralign): New function.
8632 2008-04-11  Cary Coutant  <ccoutant@google.com>
8634         Add support for TLS descriptors for i386 and x86_64.
8635         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
8636         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
8637         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
8638         GOT_TYPE_TLS_DESC.
8639         (Target_i386::got_mod_index_entry): Remove unnecessary code.
8640         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
8641         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
8642         relocations.
8643         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
8644         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
8645         Fix problem with initial-exec relocations.
8646         (Target_i386::Relocate::relocate_tls): Likewise.
8647         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
8648         relaxation.
8649         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
8650         support for section-plus-offset dynamic table entries.
8651         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
8652         (Output_data_dynamic::Dynamic_entry): Add support for
8653         section-plus-offset dynamic table entries.
8654         (Output_data_dynamic::Classification): Likewise.
8655         (Output_data_dynamic::classification_): Renamed offset_.
8656         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
8657         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
8658         (Target_x86_64::make_plt_section): New function.
8659         (Target_x86_64::reserve_tlsdesc_entries): New function.
8660         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
8661         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
8662         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
8663         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
8664         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
8665         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
8666         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
8667         add extra PLT entry for TLS descriptors.
8668         (Output_data_plt_x86_64::got_): New field.
8669         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
8670         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
8671         fields.
8672         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
8673         descriptors.
8674         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
8675         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
8676         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
8677         R_386_TLS_DESC_CALL relocations.
8678         (Target_x86_64::Scan::global): Likewise.
8679         (Target_x86_64::do_finalize_sections): Add dynamic table entries
8680         for TLS descriptors.
8681         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
8682         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
8683         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
8684         GD-to-IE relaxation.
8685         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
8686         and TLS_DESCRIPTORS.
8687         * Makefile.in: Rebuild.
8688         * configure: Rebuild.
8689         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
8690         (tls_test_shared2.so): New target.
8691         (tls_shared_gd_to_ie_test_SOURCES): New variable.
8692         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
8693         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
8694         (tls_shared_gd_to_ie_test_LDADD): New variable.
8695         (tls_shared_gnu2_gd_to_ie_test): New target.
8696         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
8697         New targets.
8698         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
8699         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
8700         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
8701         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
8702         (tls_shared_gnu2_test): New target.
8703         (tls_test_gnu2_shared.so): New target.
8704         (tls_shared_gnu2_test_SOURCES): New variable.
8705         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
8706         (tls_shared_gnu2_test_LDFLAGS): New variable.
8707         (tls_shared_gnu2_test_LDADD): New variable.
8708         * testsuite/Makefile.in: Rebuild.
8709         * testsuite/Makefile.
8711 2008-04-11  Ian Lance Taylor  <iant@google.com>
8713         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
8714         justsyms.t.
8715         * testsuite/Makefile.in: Rebuild.
8717         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
8718         long.
8719         * testsuite/script_test_2.cc (main): Adjust test.
8721 2008-04-11  David S. Miller  <davem@davemloft.net>
8722             Ian Lance Taylor  <iant@google.com>
8724         * options.h (General_options): Add entries for '-Y' and
8725         '-relax'.
8726         * options.cc (General_options:finalize): If -Y was used, add those
8727         entries to the library path instead of the default "/lib" and
8728         "/usr/lib".
8730 2008-04-11  David S. Miller  <davem@davemloft.net>
8732         * testsuite/justsyms.t: Start at 0x100.
8733         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
8734         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
8735         long.
8736         * testsuite/script_test_2.cc: Adjust string and section length
8737         checks.
8739 2008-04-09  Ian Lance Taylor  <iant@google.com>
8741         PR gold/5996
8742         * script-sections.cc (Sections_element::allocate_to_segment): Add
8743         orphan parameter.
8744         (Output_section_definition::allocate_to_segment): Likewise.
8745         (Orphan_output_section::allocate_to_segment): Likewise.
8746         (Script_sections::attach_sections_using_phdrs_clause): Don't
8747         propagate non-PT_LOAD segments to orphan sections.
8748         * testsuite/Makefile.am (script_test_3.stdout): Generate using
8749         readelf rather than objdump.
8750         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
8751         .interp section and PT_INTERP segment are the same size.
8752         * testsuite/Makefile.in: Rebuild.
8754         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
8755         aliases for symbols defined in the same object.
8756         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
8757         (weak_alias_test_SOURCES): New variable.
8758         (weak_alias_test_DEPENDENCIES): New variable.
8759         (weak_alias_test_LDFLAGS): New variable.
8760         (weak_alias_test_LDADD): New variable.
8761         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
8762         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
8763         (weak_alias_test_3.o): New target.
8764         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
8765         * testsuite/weak_alias_test_main.cc: New file.
8766         * testsuite/weak_alias_test_1.cc: New file.
8767         * testsuite/weak_alias_test_2.cc: New file.
8768         * testsuite/weak_alias_test_3.cc: New file.
8770 2008-04-08  Ian Lance Taylor  <iant@google.com>
8772         * options.h (class General_options): Add --noinhibit-exec option.
8773         * main.cc (main): Check --noinhibit-exec.
8775         * options.h (class General_options): Define --wrap as a special
8776         option.  Add wrap_symbols_ field.
8777         (General_options::any_wrap_symbols): New function.
8778         (General_options::is_wrap_symbol): New function.
8779         * options.cc (General_options::parse_wrap): New function.
8780         (General_options::General_options): Initialize wrap_symbols_.
8781         * symtab.cc (Symbol_table::wrap_symbol): New function.
8782         (Symbol_table::add_from_object): Handle --wrap.
8783         * symtab.h (class Symbol_table): Declare wrap_symbol.
8784         * target.h (Target::wrap_char): New function.
8785         (Target::Target_info): Add wrap_char field.
8786         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
8787         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8788         * testsuite/testfile.cc (Target_test::test_target_info):
8789         Likewise.
8791         * errors.cc (Errors::undefined_symbol): Mention symbol version if
8792         there is one.
8794         * layout.h (class Layout): Add added_eh_frame_data_ field.
8795         * layout.cc (Layout::Layout): Initialize new field.
8796         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
8797         output section until we find a section we merged successfully.
8798         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
8799         that the size be non-zero.
8801         * merge.cc (Object_merge_map::get_output_offset): Remove inline
8802         qualifier.
8804 2008-04-08  Craig Silverstein  <csilvers@google.com>
8806         * configure.ac: Export new conditional variable HAVE_ZLIB.
8807         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
8808         on HAVE_ZLIB.
8809         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
8810         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8812 2008-04-07  Ian Lance Taylor  <iant@google.com>
8814         * version.cc (version_string): Set to "1.5".
8816         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
8817         Add issued_non_pic_error_ field.  Declare check_non_pic.
8818         (Target_x86_64::Scan::check_non_pic): New function.
8819         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
8820         (Target_x86_64::Scan::global): Likewise.
8822         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
8823         addend parameter.  Change caller.  Handle merge sections.
8824         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
8825         Address to Addend.  Don't add in the result of
8826         local_section_offset, pass down the addend and use the returned
8827         value.
8828         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
8829         Update declarations of local_section_offset and symbol_value.
8830         * testsuite/two_file_test_1.cc (t18): New function.
8831         * testsuite/two_file_test_2.cc (f18): New function.
8832         * testsuite/two_file_test_main.cc (main): Call t18.
8833         * testsuite/two_file_test.h (t18, f18): Declare.
8835         * configure.ac: Don't test for objdump, c++filt, or readelf.
8836         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
8837         conditionals.
8838         (TEST_READELF): New variable.
8839         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
8840         (check_PROGRAMS): Add two_file_strip_test.
8841         (two_file_strip_test): New target.
8842         (check_PROGRAMS): Add two_file_same_shared_strip_test.
8843         (two_file_same_shared_strip_test_SOURCES): New variable.
8844         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
8845         (two_file_same_shared_strip_test_LDFLAGS): New variable.
8846         (two_file_same_shared_strip_test_LDADD): New variable.
8847         (two_file_shared_strip.so): New target.
8848         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
8849         (ver_test_5.syms, ver_test_7.syms): Likewise.
8850         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
8851         (strip_test_3.stdout): Use TEST_OBJDUMP.
8852         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8854 2008-04-04  Cary Coutant  <ccoutant@google.com>
8856         * symtab.h (Symbol::is_weak_undefined): New function.
8857         (Symbol::is_strong_undefined): New function.
8858         (Symbol::is_absolute): New function.
8859         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
8860         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
8861         absolute symbols.
8862         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
8863         (weak_undef_test): New target.
8864         * testsuite/Makefile.in: Rebuild.
8865         * testsuite/weak_undef_file1.cc: New file.
8866         * testsuite/weak_undef_file2.cc: New file.
8867         * testsuite/weak_undef_test.cc: New file.
8869 2008-04-03  Craig Silverstein  <csilvers@google.com>
8871         * compressed_output.h (class Output_compressed_section): Use
8872         unsigned buffer.
8873         * compressed_output.cc (zlib_compress): Use unsigned buffers,
8874         add zlib header.
8875         (zlib_compressed_suffix): Removed.
8876         (Output_compressed_section::set_final_data_size): Use unsigned
8877         buffers.
8878         * testsuite/Makefile.am (flagstest_compress_debug_sections):
8879         Fix linker invocation.
8880         (flagstest_o_specialfile_and_compress_debug_sections):
8881         Likewise.
8882         * testsuite/Makefile.in: Regenerated.
8884 2008-04-02  David S. Miller  <davem@davemloft.net>
8886         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
8887         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
8889 2008-04-02  Craig Silverstein  <csilvers@google.com>
8891         * TODO: New file.
8893 2008-04-02  Ian Lance Taylor  <iant@google.com>
8895         * fileread.cc (File_read::find_view): Add byteshift and vshifted
8896         parameters.  Update for new key type to views_.  Change all
8897         callers.
8898         (File_read::read): Adjust for byteshift in returned view.
8899         (File_read::add_view): New function, broken out of
8900         find_and_make_view.
8901         (File_read::make_view): New function, broken out of
8902         find_and_make_view.
8903         (File_read::find_or_make_view): Add offset and aligned
8904         parameters.  Rewrite accordingly.  Change all callers.
8905         (File_read::get_view): Add offset and aligned parameters.  Adjust
8906         for byteshift in return value.
8907         (File_read::get_lasting_view): Likewise.
8908         * fileread.h (class File_read): Update declarations.
8909         (class File_read::View): Add byteshift_ field.  Add byteshift to
8910         constructor.  Add byteshift method.
8911         * archive.h (Archive::clear_uncached_views): New function.
8912         (Archive::get_view): Add aligned parameter.  Change all callers.
8913         * object.h (Object::get_view): Add aligned parameter.  Change all
8914         callers.
8915         (Object::get_lasting_view): Likewise.
8917         * fileread.cc (File_read::release): Don't call clear_views if
8918         there are multiple objects.
8919         * fileread.h (File_read::clear_uncached_views): New function.
8920         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
8921         on the archive.
8923 2008-03-31  Cary Coutant  <ccoutant@google.com>
8925         Add thin archive support.
8926         * archive.cc (Archive::armagt): New const.
8927         (Archive::setup): Remove task parameter and calls to unlock.
8928         (Archive::unlock_nested_archives): New function.
8929         (Archive::read_header): Add nested_off parameter. Change
8930         all callers.
8931         (Archive::interpret_header): Likewise.
8932         (Archive::include_all_members): Change to handle thin
8933         archives.
8934         (Archive::include_member): Likewise.
8935         * archive.h (Archive::Archive): Add new parameters and
8936         initializers.
8937         (Archive::armagt): New const.
8938         (Archive::setup): Remove task parameter.
8939         (Archive::unlock_nested_archives): New function.
8940         (Archive::read_header): Add nested_off parameter.
8941         (Archive::interpret_header): Likewise.
8942         (Archive::Nested_archive_table): New typedef.
8943         (Archive::is_thin_archive_): New field.
8944         (Archive::nested_archives_): New field.
8945         (Archive::options_): New field.
8946         (Archive::dirpath_): New field.
8947         (Archive::task_): New field.
8948         * readsyms.cc (Read_symbols::do_read_symbols): Add check
8949         for thin archives.  Pass additional parameters to
8950         Archive::Archive.  Unlock the archive file after calling
8951         Archive::setup.
8953 2008-03-29  Ian Lance Taylor  <iant@google.com>
8955         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
8956         version symbol to be local.
8957         * testsuite/ver_test_4.sh: New file.
8958         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
8959         (check_DATA): Add ver_test_4.syms.
8960         (ver_test_4.syms): New target.
8961         * testsuite/Makefile.in: Rebuild.
8963         * output.cc
8964         (Output_section::Input_section_sort_entry::has_priority): New
8965         function.
8966         (Output_section::Input_section_sort_entry::match_file_name): New
8967         function.
8968         (Output_section::Input_section_sort_entry::match_section_name):
8969         Remove.
8970         (Output_section::Input_section_sort_entry::match_section_name_prefix):
8971         Remove.
8972         (Output_section::Input_section_sort_entry::match_section_file):
8973         Remove.
8974         (Output_section::Input_section_sort_compare::operator()): Rewrite
8975         using new Input_section_sort_entry functions.  Sort crtbegin and
8976         crtend first.  Sort sections with no priority before sections with
8977         a priority.
8978         * testsuite/initpri1.c (d3): Check j != 4.
8979         (cd5): New constructor/destructor function.
8980         (main): Check j != 2.
8982         * symtab.cc (Symbol_table::add_from_object): If we don't use the
8983         new symbol when resolving, don't call set_is_default.
8984         * testsuite/ver_test_7.cc: New file.
8985         * testsuite/ver_test_7.sh: New file.
8986         * testsuite/Makefile.am (ver_test_7.so): New target.
8987         (ver_test_7.o): New target.
8988         (check_SCRIPTS): Add ver_test_7.sh.
8989         (check_DATA): Add ver_test_7.syms.
8990         (ver_test_7.syms): New target.
8992 2008-03-28  Ian Lance Taylor  <iant@google.com>
8994         * layout.cc (Layout::layout): If we see an input section with a
8995         name that needs sorting, set the must_sort flag for the output
8996         section.
8997         (Layout::make_output_section): If the name of the output section
8998         indicates that it might require sorting, set the may_sort flag.
8999         * output.h (Output_section::may_sort_attached_input_sections): New
9000         function.
9001         (Output_section::set_may_sort_attached_input_sections): New
9002         function.
9003         (Output_section::must_sort_attached_input_sections): New
9004         function.
9005         (Output_section::set_must_sort_attached_input_sections): New
9006         function.
9007         (class Output_section): Declare Input_section_sort_entry.  Define
9008         Input_section_sort_compare.  Declare
9009         sort_attached_input_sections.  Add new fields:
9010         may_sort_attached_input_sections_,
9011         must_sort_attached_input_sections_,
9012         attached_input_sections_are_sorted_.
9013         * output.cc (Output_section::Output_section): Initialize new
9014         fields.
9015         (Output_section::add_input_section): Add an entry to
9016         input_sections_ if may_sort or must_sort are true.
9017         (Output_section::set_final_data_size): Call
9018         sort_attached_input_sections if necessary.
9019         (Output_section::Input_section_sort_entry): Define new class.
9020         (Output_section::Input_section_sort_compare::operator()): New
9021         function.
9022         (Output_section::sort_attached_input_sections): New function.
9023         * configure.ac: Check whether the compiler supports constructor
9024         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
9025         * testsuite/initpri1.c: New file.
9026         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
9027         CONSTRUCTOR_PRIORITY.
9028         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
9029         (initpri1_LDFLAGS): New variable.
9030         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9032 2008-03-27  Ian Lance Taylor  <iant@google.com>
9034         * common.cc (Sort_commons::operator): Correct sorting algorithm.
9035         * testsuite/common_test_1.c: New file.
9036         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
9037         (common_test_1_SOURCES): New variable.
9038         (common_test_1_DEPENDENCIES): New variable.
9039         (common_test_1_LDFLAGS): New variable.
9041         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
9042         and commons_ correctly when NAME/VERSION does not override
9043         NAME/NULL.
9044         * testsuite/ver_test_6.c: New file.
9045         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9046         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9047         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9049 2008-03-26  Ian Lance Taylor  <iant@google.com>
9051         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9052         of an undefined symbol from a version script.
9053         * testsuite/Makefile.am (ver_test_5.so): New target.
9054         (ver_test_5.o): New target.
9055         (check_SCRIPTS): Add ver_test_5.sh.
9056         (check_DATA): Add ver_test_5.syms.
9057         (ver_test_5.syms): New target.
9058         * testsuite/ver_test_5.cc: New file.
9059         * testsuite/ver_test_5.script: New file.
9060         * testsuite/ver_test_5.sh: New file.
9061         * Makefile.in, testsuite/Makefile.in: Rebuild.
9063         PR gold/5986
9064         Fix problems building gold with gcc 4.3.0.
9065         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9066         (gold_error_at_location, gold_warning_at_location): Use it.
9067         * configure.ac: Check whether we can compile and use a template
9068         function with a printf attribute.
9069         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9070         when jumping over bytes.
9071         * object.cc: Instantiate Object::read_section_data.
9072         * debug.h: Include <cstring>
9073         * dwarf_reader.cc: Include <algorithm>
9074         * main.cc: Include <cstring>.
9075         * options.cc: Include <cstring>.
9076         * output.cc: Include <cstring>.
9077         * script.cc: Include <cstring>.
9078         * script.h: Include <string>.
9079         * symtab.cc: Include <cstring> and <algorithm>.
9080         * target-select.cc: Include <cstring>.
9081         * version.cc: Include <string>.
9082         * testsuite/testmain.cc: Include <cstdlib>.
9083         * configure, config.in: Rebuild.
9085 2008-03-25  Ian Lance Taylor  <iant@google.com>
9087         * options.cc: Include "../bfd/bfdver.h".
9088         (options::help): Print bug reporting address.
9090         * version.cc (print_version): Adjust output for current value of
9091         BFD_VERSION_STRING.
9093         * NEWS: New file.
9095         * options.cc (options::help): Print list of supported targets.
9096         * target-select.h: Include <vector>.
9097         (class Target_selector): Make machine_, size_, and is_big_endian_
9098         fields const.  Add bfd_name_ and instantiated_target_ fields.
9099         (Target_selector::Target_selector): Add bfd_name parameter.
9100         (Target_selector::recognize): Make non-virtual, call
9101         do_recognize.
9102         (Target_selector::recognize_by_name): Make non-virtual, call
9103         do_recognize_by_name.
9104         (Target_selector::supported_names): New function.
9105         (Target_selector::bfd_name): New function.
9106         (Target_selector::do_instantiate_target): New pure virtual
9107         function.
9108         (Target_selector::do_recognize): New virtual function.
9109         (Target_selector::do_recognize_by_name): New virtual function.
9110         (Target_selector::instantiate_target): New private function.
9111         (supported_target_names): Declare.
9112         * target-select.cc (Target_selector::Target_selector): Update for
9113         new parameter and fields.
9114         (select_target_by_name): Check that the name matches before
9115         calling recognize_by_name.
9116         (supported_target_names): New function.
9117         * i386.cc (class Target_selector_i386): Update Target_selector
9118         constructor call.  Remove recognize and recognize_by_name.  Add
9119         do_instantiate_target.
9120         * x86_64.cc (class Target_selector_x86_64): Likewise.
9121         * testsuite/testfile.cc (class Target_selector_test): Update for
9122         changes to Target_selector.
9124         * README: Rewrite, with some notes on unsupported features.
9126 2008-03-24  Cary Coutant  <ccoutant@google.com>
9128         * i386.cc (Target_i386::Got_type): New enum declaration.
9129         (Target_i386::Scan::local): Updated callers of Output_data_got
9130         member functions.
9131         (Target_i386::Scan::global): Likewise.
9132         (Target_i386::Relocate::relocate): Likewise.
9133         (Target_i386::Relocate::relocate_tls): Likewise.
9134         * object.h (Got_offset_list): New class.
9135         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9136         (Sized_relobj::local_got_offset): Likewise.
9137         (Sized_relobj::set_local_got_offset): Likewise.
9138         (Sized_relobj::local_has_tls_got_offset): Removed.
9139         (Sized_relobj::local_tls_got_offset): Removed.
9140         (Sized_relobj::set_local_tls_got_offset): Removed.
9141         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9142         * output.cc (Output_data_got::add_global): Added got_type parameter.
9143         (Output_data_got::add_global_with_rel): Likewise.
9144         (Output_data_got::add_global_with_rela): Likewise.
9145         (Output_data_got::add_global_pair_with_rel): New function.
9146         (Output_data_got::add_global_pair_with_rela): New function.
9147         (Output_data_got::add_local): Added got_type parameter.
9148         (Output_data_got::add_local_with_rel): Likewise.
9149         (Output_data_got::add_local_with_rela): Likewise.
9150         (Output_data_got::add_local_pair_with_rel): New function.
9151         (Output_data_got::add_local_pair_with_rela): New function.
9152         (Output_data_got::add_global_tls): Removed.
9153         (Output_data_got::add_global_tls_with_rel): Removed.
9154         (Output_data_got::add_global_tls_with_rela): Removed.
9155         (Output_data_got::add_local_tls): Removed.
9156         (Output_data_got::add_local_tls_with_rel): Removed.
9157         (Output_data_got::add_local_tls_with_rela): Removed.
9158         * output.h (Output_data_got::add_global): Added got_type parameter.
9159         (Output_data_got::add_global_with_rel): Likewise.
9160         (Output_data_got::add_global_with_rela): Likewise.
9161         (Output_data_got::add_global_pair_with_rel): New function.
9162         (Output_data_got::add_global_pair_with_rela): New function.
9163         (Output_data_got::add_local): Added got_type parameter.
9164         (Output_data_got::add_local_with_rel): Likewise.
9165         (Output_data_got::add_local_with_rela): Likewise.
9166         (Output_data_got::add_local_pair_with_rel): New function.
9167         (Output_data_got::add_local_pair_with_rela): New function.
9168         (Output_data_got::add_global_tls): Removed.
9169         (Output_data_got::add_global_tls_with_rel): Removed.
9170         (Output_data_got::add_global_tls_with_rela): Removed.
9171         (Output_data_got::add_local_tls): Removed.
9172         (Output_data_got::add_local_tls_with_rel): Removed.
9173         (Output_data_got::add_local_tls_with_rela): Removed.
9174         * resolve.cc (Symbol::override_base_with_special): Removed
9175         reference to has_got_offset_ field.
9176         * symtab.cc (Symbol::init_fields): Replaced initialization
9177         of got_offset_ with got_offsets_.  Removed initialization
9178         of has_got_offset_
9179         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9180         (Symbol::got_offset): Likewise.
9181         (Symbol::set_got_offset): Likewise.
9182         (Symbol::has_tls_got_offset): Removed.
9183         (Symbol::tls_got_offset): Removed.
9184         (Symbol::set_tls_got_offset): Removed.
9185         (Symbol::got_offset_): Removed.
9186         (Symbol::tls_mod_got_offset_): Removed.
9187         (Symbol::tls_pair_got_offset_): Removed.
9188         (Symbol::got_offsets_): New field.
9189         (Symbol::has_got_offset): Removed.
9190         (Symbol::has_tls_mod_got_offset): Removed.
9191         (Symbol::has_tls_pair_got_offset): Removed.
9192         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9193         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9194         member functions.
9195         (Target_x86_64::Scan::global): Likewise.
9196         (Target_x86_64::Relocate::relocate): Likewise.
9197         (Target_x86_64::Relocate::relocate_tls): Likewise.
9199 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9201         * yyscript.y: Fix spelling error in comment.
9203 2008-03-24  Ian Lance Taylor  <iant@google.com>
9205         * options.h (class General_options): Define build_id option.
9206         * layout.h (class Layout): Declare write_build_id, create_note,
9207         create_build_id.  Add build_id_note_ member.
9208         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9209         "libiberty.h", "md5.h", "sha1.h".
9210         (Layout::Layout): Initialize eh_frame_data_,
9211         eh_frame_hdr_section_, and build_id_note_.
9212         (Layout::finalize): Call create_build_id.
9213         (Layout::create_note): New function, broken out of
9214         Layout::create_gold_note.
9215         (Layout::create_gold_note): Call create_note.
9216         (Layout::create_build_id): New function.
9217         (Layout::write_build_id): New function.
9218         (Close_task_runner::run): Call write_build_id.
9220         * x86_64.cc: Correct license to GPLv3.
9222 2008-03-23  Ian Lance Taylor  <iant@google.com>
9224         * options.cc: Include "demangle.h".
9225         (parse_optional_string): New function.
9226         (parse_long_option): Handle takes_optional_argument.
9227         (parse_short_option): Update dash_z initializer.  Handle
9228         takes_optional_argument.
9229         (General_options::General_options): Initialize do_demangle_.
9230         (General_options::finalize): Set do_demangle_.  Handle demangling
9231         style.
9232         * options.h (parse_optional_string): Declare.
9233         (struct One_option): Add optional_arg field.  Update constructor.
9234         Update call constructor calls.  Add takes_optional_argument
9235         function.
9236         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9237         (DEFINE_optional_string): Define.
9238         (General_options::demangle): Change from DEFINE_bool to
9239         DEFINE_optional_string.
9240         (General_options::no_demangle): New function.
9241         (General_options::do_demangle): New function.
9242         (General_options::set_do_demangle): New function.
9243         (General_options::execstack_status_): Move definition to end of
9244         class definition.
9245         (General_options::static_): Likewise.
9246         (General_options::do_demangle_): New field.
9247         * object.cc (big_endian>::get_symbol_location_info): Call
9248         Options::do_demangle, not Options::demangle.
9249         * symtab.cc (demangle): Likewise.
9251 2008-03-22  Ian Lance Taylor  <iant@google.com>
9253         * gold.h: Include <cstddef> and <sys/types.h>
9254         * options.h: Include <cstring>.
9256 2008-03-21  Ian Lance Taylor  <iant@google.com>
9258         * Added source code to GNU binutils.