* script-sections.cc(class Memory_region): Remove
[binutils.git] / gold / ChangeLog
blob07ee75303d665847d57c908f9bae521e99b8602f
1 2010-10-06  Nick Clifton  <nickc@redhat.com>
3         * script-sections.cc(class Memory_region): Remove
4         current_lma_offset_ field.  Rename current_vma_offset_ to
5         current_offset_.  Add last_section_ field.
6         (Memory_region::get_current_vma_address): Rename to
7         get_current_address.
8         (Memory_region::get_current_lma_address): Delete.
9         (Memory_region::increment_vma_offset): Rename to
10         increment_offset.
11         (Memory_region::increment_lma_offset): Delete.
12         (Memory_region::attributes_compatible): New method.  Returns
13         true if the provided section is compatible with the region.
14         (Memory_region::get_last_section): New method.  Returns the last
15         section to use the region.
16         (Memory_region::set_last_section): New method.  Stores the last
17         section to use the region.
18         (Script_sections::block_in_region): New method.  Returns true if
19         a block of memory is contained within a region.
20         (Script_sections::find_memory_region): New method.  Locates a
21         memory region to be used to set a VMA or LMA address.
22         (Output_section_definition::set_section_addresses): Add code to
23         check for addresses set by memory regions.
24         (Output_segment::set_section_addresses): Remove memory region
25         walking code.
26         (Script_sections::create_segment): Add a warning if a header
27         segment is created outside of any region.
28         * script-sections.h (class Script_sections): Add prototypes for
29         find_memory_region and block_in_region methods.
30         * testsuite/memory_test.s: Use .long instead of .word.
31         * testsuite/memory_test.t: Add some more output sections.
32         * testsuite/memory_test.sh: Update expected output.
34 2010-10-02  Doug Kwan  <dougkwan@google.com>
36         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
37         defintion to symtab.h
38         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
39         declaration to defintion.
41 2010-10-01  Nick Clifton  <nickc@redhat.com>
43         * expression.cc (eval): Replace dummy argument with NULL.
44         (eval_maybe_dot): Check for a NULL result section pointer.
45         (Symbol_expression::value): Likewise.
46         (Dot_expression::value): Likewise.
47         (BINARY_EXPRESSION): Likewise.
48         (Max_expression::value): Likewise.
49         (Min_expression::value): Likewise.
50         (Absolute_expression::value): Likewise.
51         (Addr_expression::value_from_output_section): Likewise.
52         (Loaddddr_expression::value_from_output_section): Likewise.
53         (Segment_start_expression::value): Likewise.
54         * script-sections.cc
55         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
56         argument with NULL.
57         (Sections_elememt_dot_assignment::set_section_addresses):
58         Likewise.
59         (Output_data_expression::do_write_to_buffer): Likewise.
60         (Output_section_definition::finalize_symbols): Likewise.
61         (Output_section_definition::set_section_addresses): Likewise.
63 2010-09-30  Doug Kwan  <dougkwan@google.com>
65         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
67 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
69         * target.h (Target::can_icf_inline_merge_sections): New virtual
70         function.
71         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
72         virtual function.
73         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
74         virtual function.
75         * icf.cc (get_section_contents): Inline merge sections only when
76         target allows it.
78 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
80         * configure: Regenerate.
82 2010-09-17  Ian Lance Taylor  <iant@google.com>
84         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
85         * testsuite/Makefile.am (memory_test.o): New target.
86         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
87         memory_test.t.
88         * testsuite/Makefile.in: Rebuild.
90 2010-09-17  Doug Kwan  <dougkwan@google.com>
92         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
93         defintion if relocation uses GOT entries of the symbol.
94         * testsuite/icf_safe_test.sh: Fix test.
95         * testsuite/icf_safe_so_test.sh: Fix test.
97 2010-09-16  Cary Coutant  <ccoutant@google.com>
99         * script_sections.cc (class Memory_region): Remove "NULL" from
100         vector initializations.
102 2010-09-15  Cary Coutant  <ccoutant@google.com>
104         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
105         Resolve forwarding symbols.
107 2010-09-15  Doug Kwan  <dougkwan@google.com>
109         * gold/testsuite/script_test_3.t: Add ARM special sections.
110         * gold/testsuite/script_test_4.t: Same.
111         * gold/testsuite/script_test_5.t: Same.
112         * gold/testsuite/script_test_6.t: Same.
113         * gold/testsuite/script_test_7.t: Same.
114         * gold/testsuite/script_test_7.t: Same.
115         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
117 2010-09-14  Cary Coutant  <ccoutant@google.com>
119         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
120         (Target_x86_64::Relocate::relocate_tls): Replace check for
121         saw_tls_block_reloc_ with test for executable section.
123 2010-09-12  Cary Coutant  <ccoutant@google.com>
125         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
126         position-independent executables to shared libraries need dynamic
127         relocations.
128         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
129         position-independent executables.
130         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
131         * testsuite/Makefile.in: Regenerate.
133 2010-09-10  Nick Clifton  <nickc@redhat.com>
135         PR gold/11997
136         * testsuite/memory_test.t: Discard any sections that are not
137         needed.
139 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
141         PR gold/11996
142         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
143         "This::" to work around a bug in gcc 4.2.
145         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
147 2010-09-09  Rafael Espindola  <espindola@google.com>
149         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
150         sections with different PF_X flags in the same segment.
151         (Layout::find_first_load_seg): Search all segments to find the first
152         one.
153         * options.h (rosegment): New.
155 2010-09-08  Rafael Espindola  <espindola@google.com>
157         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
159 2010-09-08  Doug Kwan  <dougkwan@google.com>
161         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
162         (Arm_relobj::do_relocate_sections): Add new parameter for output
163         file to match the parent.
164         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
165         of local symbols instead of input values.  Update code to track
166         changes in gold::relocate_section.
167         * object.cc (Sized_relobj::compute_final_local_value): New methods.
168         (Sized_relobj::compute_final_local_value_internal): New methods.
169         (Sized_relobj::do_finalize_local_symbols): Move code from loop
170         body into private version of Sized_relobj::compute_final_local_value.
171         Call the inline method.
172         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
173         merged symbol value if there is one.
174         (Symbol_value::has_output_value): New method defintiion.
175         (Sized_relobj::Compute_final_local_value_status): New enum type.
176         (Sized_relobj::compute_final_local_value): New methods.
177         (Sized_relobj::compute_final_local_value_internal): New methods.
178         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
179         and arm_cortex_a8.sh.
180         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
181         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
182         New tests.
183         * Makefile.in: Regenerate.
184         * testsuite/arm_bl_out_of_range.s: Update test.
185         * testsuite/thumb_bl_out_of_range.s: Ditto.
186         * testsuite/thumb_blx_out_of_range.s: Ditto.
187         * testsuite/arm_branch_out_of_range.sh: New file.
188         * testsuite/arm_cortex_a8.sh: Ditto.
189         * testsuite/arm_cortex_a8_b.s: Ditto.
190         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
191         * testsuite/arm_cortex_a8_b_local.s: Ditto.
192         * testsuite/arm_cortex_a8_bl.s: Ditto.
193         * testsuite/arm_cortex_a8_blx.s: Ditto.
194         * testsuite/arm_cortex_a8_local.s: Ditto.
195         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
196         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
198 2010-09-08  Rafael Espindola  <espindola@google.com>
200         * Makefile.am (memory_test.stdout): Run readelf with -W.
201         * Makefile.in: Regenerate.
202         * testsuite/memory_test.sh: Make the regexps accept both 32 and
203         64 bit output.
205 2010-09-08  Rafael Espindola  <espindola@google.com>
207         * script-sections.cc (Script_sections::add_memory_region): Convert
208         field precision to int.
209         * script.cc (script_set_section_region, script_set_section_region):
210         Convert field precision to int.
212 2010-09-08  Rafael Espindola  <espindola@google.com>
214         * arm.cc (do_finalize_sections): Create the __exidx_start and
215         __exdix_end symbols even when the section is missing.
217 2010-09-08  Nick Clifton  <nickc@redhat.com>
219         * README: Remove claim that MEMORY is not supported.
220         * expression.cc (script_exp_function_origin)
221         (script_exp_function_length): Move from here to ...
222         * script.cc: ... here.
223         (script_set_section_region, script_add_memory)
224         (script_parse_memory_attr, script_include_directive): New
225         functions.
226         * script-sections.cc
227         (class Memory_region): New class.
228         (class Output_section_definition): Add set_memory_region,
229         set_section_vma, set_section_lma and get_section_name methods.
230         (class Script_Sections): Add add_memory_region,
231         find_memory_region, find_memory_region_origin,
232         find_memory_region_length and set_memory_region methods.
233         Have set_section_addresses method walk the list of set memory
234         regions.
235         Extend the print methos to display memory regions.
236         * script-sections.h: Add prototypes for new methods.
237         Add enum for MEMORY region attributes.
238         * yyscript.y: Add support for parsing MEMORY regions.
239         * script-c.h: Add prototypes for new functions.
240         * testsuite/Makefile.am: Add test of MEMORY region functionality.
241         * testsuite/Makefile.in: Regenerate.
242         * testsuite/memory_test.sh: New script.
243         * testsuite/memory_test.s: New assembler source file.
244         * testsuite/memory_test.t: New linker script.
246 2010-08-27  Doug Kwan  <dougkwan@google.com>
248         * gold/resolve.cc (Symbol_table::should_override): Let a weak
249         reference override an existing dynamic weak reference.
250         * testsuite/Makefile.am: Add new test dyn_weak_ref.
251         * testsuite/Makefile.in: Regenerate.
252         * testsuite/dyn_weak_ref.sh: New file.
253         * testsuite/dyn_weak_ref_1.c: Ditto.
254         * testsuite/dyn_weak_ref_2.c: Ditto.
256 2010-08-27  Ian Lance Taylor  <iant@google.com>
258         * incremental.h (class Incremental_input_entry): Add virtual
259         destructor.
261 2010-08-27  Ian Lance Taylor  <iant@google.com>
263         * testsuite/start_lib_test_3.c: Mark t3 as used.
265 2010-08-27  Nick Clifton  <nickc@redhat.com>
267         * options.cc (version_script): Fix small typo in previous
268         whitespace tidyup.
270 2010-08-25  Nick Clifton  <nickc@redhat.com>
272         * archive.cc: Formatting fixes: Remove whitespace between
273         typename and following asterisk.  Remove whitespace between
274         function name and opening parenthesis.
275         * archive.h: Likewise.
276         * arm.cc: Likewise.
277         * attributes.cc: Likewise.
278         * attributes.h: Likewise.
279         * common.cc: Likewise.
280         * copy-relocs.cc: Likewise.
281         * dirsearch.h: Likewise.
282         * dynobj.cc: Likewise.
283         * ehframe.cc: Likewise.
284         * ehframe.h: Likewise.
285         * expression.cc: Likewise.
286         * fileread.cc: Likewise.
287         * fileread.h: Likewise.
288         * gc.h: Likewise.
289         * gold-threads.cc: Likewise.
290         * gold.cc: Likewise.
291         * i386.cc: Likewise.
292         * icf.h: Likewise.
293         * incremental-dump.cc: Likewise.
294         * incremental.cc: Likewise.
295         * layout.cc: Likewise.
296         * layout.h: Likewise.
297         * main.cc: Likewise.
298         * merge.cc: Likewise.
299         * merge.h: Likewise.
300         * object.cc: Likewise.
301         * object.h: Likewise.
302         * options.cc: Likewise.
303         * options.h: Likewise.
304         * output.cc: Likewise.
305         * output.h: Likewise.
306         * plugin.cc: Likewise.
307         * plugin.h: Likewise.
308         * powerpc.cc: Likewise.
309         * reloc.cc: Likewise.
310         * script-c.h: Likewise.
311         * script-sections.cc: Likewise.
312         * script.cc: Likewise.
313         * stringpool.cc: Likewise.
314         * symtab.cc: Likewise.
315         * symtab.h: Likewise.
316         * target.cc: Likewise.
317         * timer.cc: Likewise.
318         * timer.h: Likewise.
319         * version.cc: Likewise.
320         * x86_64.cc: Likewise.
322 2010-08-24  Nick Clifton  <nickc@redhat.com>
324         PR 11899
325         * layout.cc (segment_precedes): Sort segments by their physical
326         addresses, if they have been set.
328 2010-08-23  Cary Coutant  <ccoutant@google.com>
330         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
331         symbols data.
332         (Lib_group::include_member): Unlock object after deleting its
333         symbols data.
334         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
335         the bug fixed here.
337 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
338             Cary Coutant  <ccoutant@google.com>
340         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
341         constructor, and set_blocker.
342         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
343         readsyms_blocker_.
344         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
345         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
346         * testsuite/Makefile.am (start_lib_test): New test case.
347         * testsuite/Makefile.in: Regenerate.
348         * testsuite/start_lib_test_main.c: New file.
349         * testsuite/start_lib_test_1.c: New file.
350         * testsuite/start_lib_test_2.c: New file.
351         * testsuite/start_lib_test_3.c: New file.
353 2010-08-19  Ian Lance Taylor  <iant@google.com>
355         * Makefile.in: Rebuild with automake 1.11.1.
356         * aclocal.m4: Likewise.
357         * testsuite/Makefile.in: Likewise.
359 2010-08-19  Ian Lance Taylor  <iant@google.com>
361         PR 10893
362         * i386.cc (class Output_data_plt_i386): Update declarations.
363         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
364         local_ifuncs_ fields.
365         (Target_i386::do_plt_section_for_global): New function.
366         (Target_i386::do_plt_section_for_local): New function.
367         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
368         parameter; change all callers.  Initialize global_ifuncs_ and
369         local_ifuncs_.  If doing a static link define __rel_iplt_start and
370         __rel_iplt_end.
371         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
372         (Output_data_plt_i386::add_local_ifunc_entry): New function.
373         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
374         symbols.
375         (Target_i386::make_plt_section): New function, broken out of
376         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
377         (Target_i386::make_plt_entry): Call make_plt_section.
378         (Target_i386::make_local_ifunc_plt_entry): New function.
379         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
380         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
381         R_386_IRELATIVE to switch.
382         (Target_i386::Scan::global): Likewise.
383         (Target_i386::Relocate::relocate): Likewise.
384         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
385         switch.
386         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
387         (Target_x86_64::do_plt_section_for_global): New function.
388         (Target_x86_64::do_plt_section_for_local): New function.
389         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
390         parameter; change all callers.  If doing a static link define
391         __rela_iplt_start and __rela_iplt_end.
392         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
393         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
394         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
395         to point to .plt.
396         (Target_x86_64::make_local_ifunc_plt_entry): New function.
397         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
398         switch.
399         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
400         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
401         R_X86_64_IRELATIVE to switch.
402         (Target_x86_64::Scan::global): Likewise.
403         (Target_x86_64::Relocate::relocate): Likewise.
404         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
405         switch.
406         * target.h (class Target): Add plt_section_for_global and
407         plt_section_for_local functions.  Add do_plt_section_for_global
408         and do_plt_section_for_local virtual functions.
409         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
410         clarifying comments.
411         (Symbol::use_plt_offset): Handle IFUNC symbol.
412         * object.cc (Sized_relobj::Sized_relobj): Initialize
413         local_plt_offsets_.
414         (Sized_relobj::local_has_plt_offset): New function.
415         (Sized_relobj::local_plt_offset): New function.
416         (Sized_relobj::set_local_plt_offset): New function.
417         (Sized_relobj::do_count): Handle IFUNC symbol.
418         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
419         a bit away from input_shndx_ field.  Add set_is_func_symbol and
420         is_ifunc_symbol functions.
421         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
422         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
423         local_plt_offsets_ field.
424         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
425         * output.h (class Output_section_data): Add non-const
426         output_section function.
427         (class Output_data_got): Update declarations.
428         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
429         Add use_plt_offset parameter to global and local constructors.
430         Change all callers.  Change local_sym_index_ field to 31 bits.
431         Change GSYM_CODE and CONSTANT_CODE accordingly.
432         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
433         doing a static link don't set sh_link field.
434         (Output_data_got::Got_entry::write): Use PLT offset if
435         appropriate.
436         (Output_data_got::add_global_plt): New function.
437         (Output_data_got::add_local_plt): New function.
438         * target-reloc.h (relocate_section): Handle IFUNC symbol.
439         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
440         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
441         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
442         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
443         IFUNC conditional.
444         * testsuite/ifunc-sel.h: New file.
445         * testsuite/ifuncmain1.c: New file.
446         * testsuite/ifuncmain1vis.c: New file.
447         * testsuite/ifuncmod1.c: New file.
448         * testsuite/ifuncdep2.c: New file.
449         * testsuite/ifuncmain2.c: New file.
450         * testsuite/ifuncmain3.c: New file.
451         * testsuite/ifuncmod3.c: New file.
452         * testsuite/ifuncmain4.c: New file.
453         * testsuite/ifuncmain5.c: New file.
454         * testsuite/ifuncmod5.c: New file.
455         * testsuite/ifuncmain6pie.c: New file.
456         * testsuite/ifuncmod6.c: New file.
457         * testsuite/ifuncmain7.c: New file.
458         * configure, testsuite/Makefile.in: Rebuild.
460 2010-08-18  Ian Lance Taylor  <iant@google.com>
462         * incremental.cc
463         (Output_section_incremental_inputs::write_input_files): Add cast
464         to avoid signed/unsigned comparison warning.
465         (Output_section_incremental_inputs::write_info_blocks): Likewise.
467 2010-08-12  Cary Coutant  <ccoutant@google.com>
469         * common.cc (Sort_commons::operator()): Remove unnecessary code.
471 2010-08-13  Ian Lance Taylor  <iant@google.com>
473         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
475 2010-08-12  Cary Coutant  <ccoutant@google.com>
476             Doug Kwan  <dougkwan@google.com>
478         * resolve.cc (Symbol_table::should_override): When a weak dynamic
479         defintion overrides non-weak undef, remember that the original undef
480         is not weak.
481         * symtab.cc (Symbol_table::sized_write_global): For undef without
482         an original weak binding, set binding to global in output.
483         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
484         * testsuite/Makefile.in: Regenerate.
485         * testsuite/strong_ref_weak_def.sh: New file.
486         * testsuite/strong_ref_weak_def_1.c: Ditto.
487         * testsuite/strong_ref_weak_def_2.c: Ditto.
489 2010-08-12  Cary Coutant  <ccoutant@google.com>
491         * testsuite/incremental_test.sh: Rewrite.
492         * testsuite/incremental_test_1.c: Rewrite.
493         * testsuite/incremental_test_2.c: Rewrite.
495 2010-08-12  Cary Coutant  <ccoutant@google.com>
497         * arm.cc (Target_arm::got_size): Add const.
498         (Target_arm::got_entry_count): New function.
499         (Target_arm::plt_entry_count): New function.
500         (Target_arm::first_plt_entry_offset): New function.
501         (Target_arm::plt_entry_size): New function.
502         (Output_data_plt_arm::entry_count): New function.
503         (Output_data_plt_arm::first_plt_entry_offset): New function.
504         (Output_data_plt_arm::get_plt_entry_size): New function.
505         * i386.cc (Target_i386::got_size): Add const.
506         (Target_i386::got_entry_count): New function.
507         (Target_i386::plt_entry_count): New function.
508         (Target_i386::first_plt_entry_offset): New function.
509         (Target_i386::plt_entry_size): New function.
510         (Output_data_plt_i386::entry_count): New function.
511         (Output_data_plt_i386::first_plt_entry_offset): New function.
512         (Output_data_plt_i386::get_plt_entry_size): New function.
513         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
514         find_incremental_inputs_sections.  Dump incremental_got_plt section.
515         * incremental.cc: Include target.h.
516         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
517         parameter.  Adjust all callers.  Find incremental_got_plt section.
518         (Incremental_inputs::create_data_sections): Create incremental_got_plt
519         section.
520         (Output_section_incremental_inputs::set_final_data_size): Calculate
521         size of incremental_got_plt section.
522         (Output_section_incremental_inputs::do_write): Write the
523         incremental_got_plt section.
524         (Got_plt_view_info): New struct.
525         (Local_got_offset_visitor): New class.
526         (Global_got_offset_visitor): New class.
527         (Global_symbol_visitor_got_plt): New class.
528         (Output_section_incremental_inputs::write_got_plt): New function.
529         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
530         Add parameter.  Adjust all callers.
531         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
532         (Incremental_inputs::got_plt_section): New function.
533         (Incremental_inputs::got_plt_section_): New data member.
534         (Incremental_got_plt_reader): New class.
535         * layout.cc (Layout::create_incremental_info_sections): Add the
536         incremental_got_plt section.
537         * object.h (Got_offset_list::get_list): New function.
538         (Got offset_list::for_all_got_offsets): New function.
539         (Sized_relobj::local_got_offset_list): New function.
540         * powerpc.cc (Target_powerpc::got_size): Add const.
541         (Target_powerpc::got_entry_count): New function.
542         (Target_powerpc::plt_entry_count): New function.
543         (Target_powerpc::first_plt_entry_offset): New function.
544         (Target_powerpc::plt_entry_size): New function.
545         (Output_data_plt_powerpc::entry_count): New function.
546         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
547         (Output_data_plt_powerpc::get_plt_entry_size): New function.
548         * sparc.cc (Target_sparc::got_size): Add const.
549         (Target_sparc::got_entry_count): New function.
550         (Target_sparc::plt_entry_count): New function.
551         (Target_sparc::first_plt_entry_offset): New function.
552         (Target_sparc::plt_entry_size): New function.
553         (Output_data_plt_sparc::entry_count): New function.
554         (Output_data_plt_sparc::first_plt_entry_offset): New function.
555         (Output_data_plt_sparc::get_plt_entry_size): New function.
556         * symtab.h (Symbol::got_offset_list): New function.
557         (Symbol_table::for_all_symbols): New function.
558         * target.h (Sized_target::got_entry_count): New function.
559         (Sized_target::plt_entry_count): New function.
560         (Sized_target::plt_entry_size): New function.
561         * x86_64.cc (Target_x86_64::got_size): Add const.
562         (Target_x86_64::got_entry_count): New function.
563         (Target_x86_64::plt_entry_count): New function.
564         (Target_x86_64::first_plt_entry_offset): New function.
565         (Target_x86_64::plt_entry_size): New function.
566         (Output_data_plt_x86_64::entry_count): New function.
567         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
568         (Output_data_plt_x86_64::get_plt_entry_size): New function.
570 2010-08-12  Cary Coutant  <ccoutant@google.com>
572         * archive.cc: Include incremental.h.
573         (Archive::Archive): Initialize incremental_info_.
574         (Archive::include_member): Record archive members in incremental info.
575         (Add_archive_symbols::run): Record begin and end of an archive in
576         incremental info.
577         (Lib_group::include_member): Record objects in incremental info.
578         * archive.h (Incremental_archive_entry): Forward declaration.
579         (Archive::set_incremental_info): New member function.
580         (Archive::incremental_info): New member function.
581         (Archive::Unused_symbol_iterator): New class.
582         (Archive::unused_symbols_begin): New member function.
583         (Archive::unused_symbols_end): New member function.
584         (Archive::incremental_info_): New data member.
585         * incremental-dump.cc (find_input_containing_global): New function.
586         (dump_incremental_inputs): Dump new incremental info sections.
587         * incremental.cc: Include symtab.h.
588         (Output_section_incremental_inputs): New class.
589         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
590         new incremental info sections.
591         (Sized_incremental_binary::do_check_inputs): Likewise.
592         (Incremental_inputs::report_archive): Remove.
593         (Incremental_inputs::report_archive_begin): New function.
594         (Incremental_inputs::report_archive_end): New function.
595         (Incremental_inputs::report_object): New function.
596         (Incremental_inputs::finalize_inputs): Remove.
597         (Incremental_inputs::report_input_section): New function.
598         (Incremental_inputs::report_script): Rewrite.
599         (Incremental_inputs::finalize): Do nothing but finalize string table.
600         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
601         (Incremental_inputs::sized_create_inputs_section_data): Remove.
602         (Incremental_inputs::create_data_sections): New function.
603         (Incremental_inputs::relocs_entsize): New function.
604         (Output_section_incremental_inputs::set_final_data_size): New function.
605         (Output_section_incremental_inputs::do_write): New function.
606         (Output_section_incremental_inputs::write_header): New function.
607         (Output_section_incremental_inputs::write_input_files): New function.
608         (Output_section_incremental_inputs::write_info_blocks): New function.
609         (Output_section_incremental_inputs::write_symtab): New function.
610         * incremental.h (Incremental_script_entry): Forward declaration.
611         (Incremental_object_entry): Forward declaration.
612         (Incremental_archive_entry): Forward declaration.
613         (Incremental_inputs): Forward declaration.
614         (Incremental_inputs_header_data): Remove.
615         (Incremental_inputs_header): Remove.
616         (Incremental_inputs_header_write): Remove.
617         (Incremental_inputs_entry_data): Remove.
618         (Incremental_inputs_entry): Remove.
619         (Incremental_inputs_entry_write): Remove.
620         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
621         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
622         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
623         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
624         Likewise.
625         (Incremental_input_entry): New class.
626         (Incremental_script_entry): New class.
627         (Incremental_object_entry): New class.
628         (Incremental_archive_entry): New class.
629         (Incremental_inputs::Incremental_inputs): Initialize new data members.
630         (Incremental_inputs::report_inputs): Remove.
631         (Incremental_inputs::report_archive): Remove.
632         (Incremental_inputs::report_archive_begin): New function.
633         (Incremental_inputs::report_archive_end): New function.
634         (Incremental_inputs::report_object): Change prototype.
635         (Incremental_inputs::report_input_section): New function.
636         (Incremental_inputs::report_script): Change prototype.
637         (Incremental_inputs::get_reloc_count): New function.
638         (Incremental_inputs::set_reloc_count): New function.
639         (Incremental_inputs::create_data_sections): New function.
640         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
641         (Incremental_inputs::inputs_section): New function.
642         (Incremental_inputs::symtab_section): New function.
643         (Incremental_inputs::relocs_section): New function.
644         (Incremental_inputs::get_stringpool): Add const.
645         (Incremental_inputs::command_line): Add const.
646         (Incremental_inputs::inputs): Remove.
647         (Incremental_inputs::command_line_key): New function.
648         (Incremental_inputs::input_file_count): New function.
649         (Incremental_inputs::input_files): New function.
650         (Incremental_inputs::relocs_entsize): New function.
651         (Incremental_inputs::sized_create_inputs_section_data): Remove.
652         (Incremental_inputs::finalize_inputs): Remove.
653         (Incremental_inputs::Input_info): Remove.
654         (Incremental_inputs::lock_): Remove.
655         (Incremental_inputs::inputs_): Change type.
656         (Incremental_inputs::inputs_map_): Remove.
657         (Incremental_inputs::current_object_entry_): New data member.
658         (Incremental_inputs::inputs_section_): New data member.
659         (Incremental_inputs::symtab_section_): New data member.
660         (Incremental_inputs::relocs_section_): New data member.
661         (Incremental_inputs::reloc_count_): New data member.
662         (Incremental_inputs_reader): New class.
663         (Incremental_symtab_reader): New class.
664         (Incremental_relocs_reader): New class.
665         * layout.cc (Layout::finalize): Move finalization of incremental info
666         and creation of incremental info sections to follow finalization of
667         symbol table.  Set offsets for postprocessing sections.
668         (Layout::create_incremental_info_sections): Call
669         Incremental_inputs::create_data_sections.  Add incremental symtab
670         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
671         sections to layout after input sections.
672         * layout.h (struct Timespec): Forward declaration.
673         (Layout::incremental_inputs): Add const.
674         (Layout::create_incremental_info_sections): Add parameter.
675         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
676         * object.cc: Include incremental.h.
677         (Relobj::finalize_incremental_relocs): New function.
678         (Sized_relobj::do_layout): Record input sections in incremental info.
679         * object.h (Object::output_section): New function.
680         (Object::output_section_offset): Moved from Relobj.
681         (Object::get_incremental_reloc_base): New function.
682         (Object::get_incremental_reloc_count): New function.
683         (Object::do_output_section): New function.
684         (Object::do_output_section_offset): Moved from Relobj.
685         (Object::do_get_incremental_reloc_base): New function.
686         (Object::do_get_incremental_reloc_count): New function.
687         (Object::Object): Initialize new data members.
688         (Relobj::output_section): Renamed do_output_section and moved to
689         protected.
690         (Relobj::output_section_offset): Moved to Object.
691         (Relobj::do_get_incremental_reloc_base): New function.
692         (Relobj::do_get_incremental_reloc_count): New function.
693         (Relobj::allocate_incremental_reloc_counts): New function.
694         (Relobj::count_incremental_reloc): New function.
695         (Relobj::finalize_incremental_relocs): New function.
696         (Relobj::next_incremental_reloc_index): New function.
697         (Relobj::reloc_counts_): New data member.
698         (Relobj::reloc_bases_): New data member.
699         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
700         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
701         (Sized_relobj::incremental_relocs_scan): New function.
702         (Sized_relobj::incremental_relocs_scan_reltype): New function.
703         (Sized_relobj::incremental_relocs_write): New function.
704         (Sized_relobj::incremental_relocs_write_reltype): New function.
705         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
706         incremental link.
707         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
708         archives and object files elsewhere.
709         (Add_symbols::run): Report object files here.
710         (Finish_group::run): Report end of archive at end of group.
711         * reloc.cc: Include layout.h, incremental.h.
712         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
713         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
714         (Sized_relobj::incremental_relocs_scan): New function.
715         (Sized_relobj::incremental_relocs_scan_reltype): New function.
716         (Sized_relobj::do_relocate_sections): Write incremental relocations.
717         (Sized_relobj::incremental_relocs_write): New function.
718         (Sized_relobj::incremental_relocs_write_reltype): New function.
719         * script.cc (read_input_script): Rewrite test for incremental link.
720         Change call to Incremental_inputs::report_script.
721         * symtab.h (Symbol_table::first_global_index): New function.
722         (Symbol_table::output_count): New function.
724 2010-08-12  Doug Kwan  <dougkwan@google.com>
726         * arm.cc (Target_arm::merge_object_attributes): Check command line
727         options --no-wchar-size-warning and --no-enum-size-warning.
728         * options.h (General_options): Add ld-compatible options
729         --no-enum-size-warning and --no-wchar-size-warning.
731 2010-08-04  Ian Lance Taylor  <iant@google.com>
733         * x86_64.cc (Target_x86_64::Scan::local): Use
734         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
735         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
736         (Target_x86_64::Scan::global): Likewise.
737         (Target_x86_64::Relocate::relocate): Likewise.
738         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
739         Likewise.
741 2010-08-03  Cary Coutant  <ccoutant@google.com>
743         * merge.cc (Output_merge_string::do_add_input_section): Count strings
744         to reserve space in merged_strings vector. Keep total input size
745         for stats.
746         (Output_merge_string::do_print_merge_stats): Print total input size.
747         * merge.h (Output_merge_string): Add input_size_ field.
748         * stringpool.cc (Stringpool_template::string_length): Move
749         implementations out of Stringpool_template class and place in
750         stringpool.h.
751         * stringpool.h (string_length): Move out of Stringpool_template.
753 2010-08-03  Ian Lance Taylor  <iant@google.com>
755         PR 11712
756         * layout.cc (relaxation_loop_body): If address of load segment is
757         set, adjust address to include headers if possible.
759 2010-08-03  Ian Lance Taylor  <iant@google.com>
761         * version.cc (version_string): Bump to 1.10.
763 2010-08-03  Ian Lance Taylor  <iant@google.com>
765         PR 11805
766         * layout.h (enum Output_section_order): Define.
767         (class Layout): Update declarations.
768         * layout.cc (Layout::get_output_section): Add order parameter.
769         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
770         is_first_non_relro parameters.  Change all callers.
771         (Layout::choose_output_section): Likewise.
772         (Layout::add_output_section_data): Likewise.
773         (Layout::make_output_section): Likewise.  Set order.
774         (Layout::default_section_order): New function.
775         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
776         * output.cc (Output_section::Output_section): Initialize order_.
777         Don't initialize deleted fields.
778         (Output_segment::Output_segment): Don't initialize deleted
779         fields.
780         (Output_segment::add_output_section_to_load): New function
781         replacing add_output_section.  Change all callers to call this or
782         add_output_section_to_nonload.
783         (Output_segment::add_output_section_to_nonload): New function.
784         (Output_segment::remove_output_section): Rewrite.
785         (Output_segment::add_initial_output_data): Likewise.
786         (Output_segment::has_any_data_sections): Likewise.
787         (Output_segment::is_first_section_relro): Likewise.
788         (Output_segment::maximum_alignment): Likewise.
789         (Output_segment::has_dynamic_reloc): New function replacing
790         dynamic_reloc_count.  Change all callers.
791         (Output_segment::has_dynamic_reloc_list): New function replacing
792         dynamic_reloc_count_list.  Change all callers.
793         (Output_segment::set_section_addresses): Rewrite.
794         (Output_segment::set_offset): Rewrite.
795         (Output_segment::find_first_and_last_list): Remove.
796         (Output_segment::set_tls_offsets): Rewrite.
797         (Output_segment::first_section_load_address): Likewise.
798         (Output_segment::output_section_count): Likewise.
799         (Output_segment::section_with_lowest_load_address): Likewise.
800         (Output_segment::write_section_headers): Likewise.
801         (Output_segment::print_sections_to_map): Likewise.
802         * output.h (class Output_data): Remove dynamic_reloc_count_
803         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
804         (Output_data::add_dynamic_reloc): Rewrite.
805         (Output_data::has_dynamic_reloc): New function.
806         (Output_data::dynamic_reloc_count): Remove.
807         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
808         is_last_relro_, is_first_non_relro_, is_interp_,
809         is_dynamic_linker_section_ fields.  Add order and set_order
810         functions.  Remove is_relro_local, set_is_relro_local,
811         is_last_relro, set_is_last_relro, is_first_non_relro,
812         set_is_first_non_relro functions, is_interp, set_is_interp,
813         is_dynamic_linker_section, and set_is_dynamic_linker_section
814         functions.
815         (class Output_segment): Change Output_data_list from std::list to
816         std:;vector.  Add output_lists_ field.  Remove output_data_ and
817         output_bss_ fields.  Update declarations.
819 2010-08-02  Ian Lance Taylor  <iant@google.com>
821         * arm.cc (Target_arm::gc_process_relocs): Use typename.
822         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
823         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
825 2010-08-02  Ian Lance Taylor  <iant@google.com>
827         PR 11855
828         * script.cc (Script_options::Script_options): Initialize
829         symbol_definitions_ and symbol_references_.
830         (Script_options::add_symbol_assignment): Update
831         symbol_definitions_ and symbol_references_.
832         (Script_options::add_symbol_reference): New function.
833         (script_symbol): New function.
834         * script.h (class Script_options): Add symbol_definitions_ and
835         symbol_references_ fields.
836         (Script_options::referenced_const_iterator): New type.
837         (Script_options::referenced_begin): New function.
838         (Script_options::referenced_end): New function.
839         (Script_options::is_referenced): New function.
840         (Script_options::any_unreferenced): New function.
841         * script-c.h (script_symbol): Declare.
842         * yyscript.y (exp): Call script_symbol.
843         * symtab.cc: Include "script.h".
844         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
845         Change all callers.  Check symbols referenced by scripts.
846         (Symbol_table::add_undefined_symbols_from_command_line): Add
847         layout parameter.  Change all callers.
848         (Symbol_table::do_add_undefined_symbols_from_command_line):
849         Likewise.  Break out loop body.  Check symbols referenced by
850         scripts.
851         (Symbol_table::add_undefined_symbol_from_command_line): New
852         function broken out of
853         do_add_undefined_symbols_from_command_line.
854         * symtab.h (class Symbol_table): Update declarations.
855         * archive.cc: Include "layout.h".
856         (Archive::should_include_member): Add layout parameter.  Change
857         all callers.  Check for symbol mentioned in expression.
858         * archive.h (class Archive): Update declaration.
859         * object.cc (Sized_relobj::do_should_include_member): Add layout
860         parameter.
861         * object.h (Object::should_include_member): Add layout parameter.
862         Change all callers.
863         (Object::do_should_include_member): Add layout parameter.
864         (class Sized_relobj): Update declaration.
865         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
866         parameter.
867         * dynobj.h (class Sized_dynobj): Update declaration.
868         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
869         layout parameter.
870         * plugin.h (class Sized_pluginobj): Update declaration.
872 2010-08-02  Ian Lance Taylor  <iant@google.com>
874         PR 11866
875         * output.cc (Output_segment::set_offset): Search for the first and
876         last sections rather than assuming that the list is in order.
877         (Output_segment::find_first_and_last_list): New function.
878         * output.h (class Output_segment): Update declarations.
879         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
880         (relro_strip_test_SOURCES): New variable.
881         (relro_strip_test_DEPENDENCIES): New variable.
882         (relro_strip_test_LDFLAGS): New variable.
883         (relro_strip_test_LDADD): New variable.
884         (relro_strip_test.so): New target.
886 2010-08-02  Ian Lance Taylor  <iant@google.com>
888         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
889         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
890         (Target_i386::got_tlsdesc_section): New function.
891         (Target_i386::got_section): Create space for GOT entries for
892         TLSDESC relocations.
893         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
894         R_386_TLS_GOTDESC.
895         (Target_i386::Scan::global): Likewise.
896         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
897         using TLSDESC GOT.
898         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
899         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
900         (Target_x86_64::got_tlsdesc_section): New function.
901         (Target_x86_64::got_section): Create space for GOT entries for
902         TLSDESC relocations.
903         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
904         R_386_TLS_GOTDESC.
905         (Target_x86_64::Scan::global): Likewise.
906         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
907         using TLSDESC GOT.
909 2010-08-02  Ian Lance Taylor  <iant@google.com>
911         * testsuite/final_layout.sh: Use dc to convert from hex to
912         decimal.
914 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
916         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
917         paramter to the call to gold::gc_process_relocs.
918         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
919         paramter to the call to gold::gc_process_relocs.
920         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
921         parameter to the call to gold::gc_process_relocs.
922         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
923         template parameter to the call to gold::gc_process_relocs.
924         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
925         paramter to the call to gold::gc_process_relocs.
926         * gc.h (get_embedded_addend_size): New function.
927         (gc_process_relocs): Save the size of the reloc for use by ICF.
928         * icf.cc (get_section_contents): Get the addend from the text section
929         for SHT_REL relocation sections.
930         * icf.h (Icf::Reloc_addend_size_info): New typedef.
931         (Icf::Reloc_info): Add new member reloc_addend_size_info.
932         * int_encoding.h (read_from_pointer): New overloaded function.
933         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
934         * testsuite/icf_sht_rel_addend_test.sh: New file.
935         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
936         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
938 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
940         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
941         * Makefile.in: Regenerate.
942         * testsuite/Makefile.in: Regenerate.
944 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
946         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
947         * gold/testsuite/debug_msg.cc: Likewise.
948         * gold/testsuite/odr_violation1.cc
949         * gold/testsuite/odr_violation2.cc
951 2010-07-21  Cary Coutant  <ccoutant@google.com>
953         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
954         string, and length fields.
955         (Output_merge_string::Merged_strings_list): New type.
956         (Output_merge_string::Merged_strings_lists): New typedef.
957         (Output_merge_string): Replace merged_strings_ with
958         merged_strings_lists_.
959         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
960         Merged_strings_list per input object and section.  Don't store pointer
961         to the string.  Don't store length with each merged string entry.
962         (Output_merge_string::finalize_merged_data): Loop over list of merged
963         strings lists.  Recompute length of each merged string.
965 2010-07-15  Cary Coutant  <ccoutant@google.com>
967         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
968         here.
970 2010-07-14  Ian Lance Taylor  <iant@google.com>
972         * descriptors.cc (Descriptors::open): Report correct name in error
973         message.
975 2010-07-13  Doug Kwan  <dougkwan@google.com>
977         * arm.cc (Arm_input_section::Arm_input_section): For a
978         SHT_ARM_EXIDX section, always keeps the input sections.
979         (Arm_input_section::set_exidx_section_link): New method.
980         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
981         has_errors_ to false.
982         (Arm_exidx_input_section::has_errors,
983         Arm_exidx_input_section::set_has_errors): New methods.
984         (Arm_exidx_input_section::has_errors_): New data member.
985         (Arm_relobj::get_exidx_shndx_list): New method.
986         (Arm_output_section::append_text_sections_to_list): Do not skip
987         section without SHF_EXECINSTR.
988         (Arm_output_section::fix_exidx_coverage): Skip input sections with
989         errors.
990         (Arm_relobj::make_exidx_input_section): Add new parameter for text
991         section header.  Make error messages more verbose.  Check for
992         a non-executable section linked to an EXIDX section.
993         (Arm_relobj::do_read_symbols): Remove error checking, which has been
994         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
995         check that there is no deferred EXIDX section if we exit early.
996         Instead of not making an EXIDX section in case of an error, make one
997         and set the has_errors flag of it.
998         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
999         in a relocatable link.
1000         (Target_arm::do_relax): Look for the EXIDX output section instead of
1001         assuming that it is called .ARM.exidx.
1002         (Target_arm::fix_exidx_coverage): Add a new parameter for input
1003         section list.  Do not check for SHF_EXECINSTR section flags but
1004         skip any input section with errors.
1005         * output.cc (Output_section::Output_section): Initialize
1006         always_keeps_input_sections_ to false.
1007         (Output_section::add_input_section): Check for
1008         always_keeps_input_sections_.
1009         *  output.h (Output_section::always_keeps_input_sections,
1010         Output_section::set_always_keeps_input_sections): New methods.
1011         (Output_section::always_keeps_input_sections): New data member.
1013 2010-07-13  Rafael Espindola  <espindola@google.com>
1015         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
1016         * fileread.h (Input_file): Add try_extra_search_path and find_file.
1018 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
1019             Ian Lance Taylor  <iant@google.com>
1021         * output.h (Output_section_lookup_maps::add_merge_section):
1022         Correct check of whether value was inserted.
1023         (Output_section_lookup_maps::add_merge_input_section): Likewise.
1024         (Output_section_lookup_maps::add_relaxed_input_section):
1025         Likewise.
1026         * arm.cc (Target_arm::got_section): Remove used local os.
1027         * i386.cc (Target_i386::got_section): Likewise.
1028         * x86_64.cc (Target_x86_64::got_section): Likewise.
1029         * sparc.cc (Target_sparc::got_section): Likewise.
1030         (Target_sparc::relocate): Remove unused local have_got_offset.
1031         * powerpc.cc (Target_powerpc::relocate): Likewise.
1033 2010-07-13  Ian Lance Taylor  <iant@google.com>
1035         * compressed_output.cc (zlib_decompress): Fix signature in
1036         !HAVE_ZLIB_H case.
1038         * archive.cc (Archive::include_member): Unlock an external member
1039         of a thin archive.  Don't bother to delete an object we know is
1040         NULL.
1042 2010-07-12  Cary Coutant  <ccoutant@google.com>
1044         * compressed_output.cc (zlib_decompress): New function.
1045         (get_uncompressed_size): New function.
1046         (decompress_input_section): New function.
1047         * compressed_output.h (get_uncompressed_size): New function.
1048         (decompress_input_section): New function.
1049         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
1050         Handle compressed debug sections.
1051         * layout.cc (is_compressed_debug_section): New function.
1052         (Layout::output_section_name): Map compressed section names to
1053         canonical names.
1054         * layout.h (is_compressed_debug_section): New function.
1055         (is_debug_info_section): Recognize compressed debug sections.
1056         * merge.cc: Include compressed_output.h.
1057         (Output_merge_data::do_add_input_section): Handle compressed
1058         debug sections.
1059         (Output_merge_string::do_add_input_section): Handle compressed
1060         debug sections.
1061         * object.cc: Include compressed_output.h.
1062         (Sized_relobj::Sized_relobj): Initialize new data members.
1063         (build_compressed_section_map): New function.
1064         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
1065         * object.h (Object::section_is_compressed): New method.
1066         (Object::do_section_is_compressed): New method.
1067         (Sized_relobj::Compressed_section_map): New type.
1068         (Sized_relobj::do_section_is_compressed): New method.
1069         (Sized_relobj::compressed_sections_): New data member.
1070         * output.cc (Output_section::add_input_section): Handle compressed
1071         debug sections.
1072         * reloc.cc: Include compressed_output.h.
1073         (Sized_relobj::write_sections): Handle compressed debug sections.
1075 2010-07-08  Cary Coutant  <ccoutant@google.com>
1077         * resolve.cc (Symbol_table::resolve): Remember whether undef was
1078         weak when resolving to a dynamic def.
1079         (Symbol_table::should_override): Add adjust_dyndef flag; set it
1080         for weak undef/dynamic def cases. Adjust callers.
1081         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
1082         undef_binding_weak_.
1083         (Symbol_table::sized_write_globals): Adjust symbol binding.
1084         (Symbol_table::sized_write_symbol): Add binding parameter.
1085         * symtab.h (Symbol::set_undef_binding): New method.
1086         (Symbol::is_undef_binding_weak): New method.
1087         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
1088         (Symbol_table::should_override): Add new parameter.
1089         (Symbol_table::sized_write_symbol): Add new parameter.
1091         * testsuite/weak_undef_file1.cc: Add new test case.
1092         * testsuite/weak_undef_file2.cc: Fix header comment.
1093         * testsuite/weak_undef_test.cc: Add new test case.
1095 2010-06-29  Doug Kwan  <dougkwan@google.com>
1097         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
1098         Initialize USE_SYMBOL_.
1099         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
1100         definition.
1101         (Arm_reloc_property::uses_symbol_): New data member declaration.
1102         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
1103         uses symbol value and symbol is undefined but not weakly undefined.
1105 2010-06-28  Rafael Espindola  <espindola@google.com>
1107         * plugin.cc (Plugin::load): Use dlerror.
1109 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
1111         * symtab.cc (detect_odr_violations): When reporting an ODR
1112         violation, report an object where the symbol is defined.
1114 2010-06-25  Doug Kwan  <dougkwan@google.com>
1116         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
1117         (Target_arm::section_may_have_icf_unsafe_pointers): New method
1118         definition.
1119         (Target_arm::Scan::local_reloc_may_be_function_pointer,
1120         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
1121         target hook to detect function points.
1122         (Target_arm::Scan::possible_function_pointer_reloc): New method.
1123         * icf.h (Icf::check_section_for_function_pointers): Change type of
1124         parameter SECTION_NAME to const reference to std::string.  Use
1125         target hook to determine if section may have unsafe pointers.
1126         * target.h (Target::section_may_have_icf_unsafe_pointers): New
1127         method definition.
1129 2010-06-21  Rafael Espindola  <espindola@google.com>
1131         * fileread.cc (Input_file::find_fie): New
1132         (Input_file::open): Use Input_file::find_fie.
1133         * fileread.h (Input_file::find_fie): New
1134         * plugin.cc (set_extra_library_path): New.
1135         (Plugin::load): Add set_extra_library_path to the transfer vector.
1136         (Plugin_manager::set_extra_library_path): New.
1137         (Plugin_manager::add_input_file): Use the extra search path if set.
1138         (set_extra_library_path(): New.
1139         * plugin.h (Plugin_manager): Add set_extra_library_path and
1140         extra_search_path_.
1142 2010-06-19  Cary Coutant  <ccoutant@google.com>
1144         * layout.cc (gdb_sections): Add .debug_types.
1145         (lines_only_debug_sections): Likewise.
1147 2010-06-18  Rafael Espindola  <espindola@google.com>
1149         * plugin.cc (add_input_file,add_input_library)
1150         (Plugin_manager::add_input_file): Make filename arguments const.
1151         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
1152         const.
1154 2010-06-16  Doug Kwan  <dougkwan@google.com>
1156         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
1157         .ARM.attributes section if we have not merged any input
1158         attributes sections.
1160 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1162         * arm.cc: Allow combining objects with no EABI version
1163         information.
1165 2010-06-15  Rafael Espindola  <espindola@google.com>
1167         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
1169 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1171         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
1172         (struct iovec): Correct !HAVE_READV definition.
1174 2010-06-10  Cary Coutant  <ccoutant@google.com>
1176         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
1177         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
1178         reloc sections.
1179         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
1181         PR 11683
1182         * symtab.h (Symbol::is_placeholder): New member function.
1183         * target-reloc.h (relocate_section): Check for placeholder symbols.
1185         * testsuite/Makefile.am (plugin_test_8): New test.
1186         (plugin_test_9): New test.
1187         * testsuite/Makefile.in: Regenerate.
1189 2010-06-09  Nick Clifton  <nickc@redhat.com>
1191         * yyscript.y (input_list_element): Allow strings prefixed with
1192         the '-' character.  Treat these as libraries.
1193         * script.cc (script_add_library): New function.  Adds a library
1194         specified by "-l<name>" found in an input script.
1195         * script-c.h: Add prototype for script_add_library.
1197 2010-06-07  Doug Kwan  <dougkwan@google.com>
1199         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
1200         Restrict stub-group size to be within long conditional branch
1201         range when working around cortex-A8 erratum.
1203 2010-06-07  Damien Diederen  <dd@crosstwine.com>
1205         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
1206         #ifdef typo.
1208 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
1210         PR gold/11658
1211         * output.cc
1212         (Output_section::Input_section_sort_entry::compare_section_ordering):
1213         Change to return non-zero correctly.
1214         (Output_section::Input_section_sort_section_order_index_compare
1215         ::operator()): Change to fix ambiguity in comparisons.
1217 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
1219         * gold.h (is_wildcard_string): New function.
1220         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
1221         (Layout::layout_eh_frame): Ditto.
1222         (Layout::find_section_order_index): New method.
1223         (Layout::read_layout_from_file): New method.
1224         * layout.h (Layout::find_section_order_index): New method.
1225         (Layout::read_layout_from_file): New method.
1226         (Layout::input_section_position_): New private member.
1227         (Layout::input_section_glob_): New private member.
1228         * main.cc (main): Call read_layout_from_file here.
1229         * options.h (--section-ordering-file): New option.
1230         * output.cc (Output_section::input_section_order_specified_): New
1231         member.
1232         (Output_section::Output_section): Initialize new member.
1233         (Output_section::add_input_section): Add new parameter.
1234         Keep input sections when --section-ordering-file is used.
1235         (Output_section::set_final_data_size): Sort input sections when
1236         section ordering file is specified.
1237         (Output_section::Input_section_sort_entry): Add new parameter.
1238         Check sorting type.
1239         (Output_section::Input_section_sort_entry::compare_section_ordering):
1240         New method.
1241         (Output_section::Input_section_sort_compare::operator()): Change to
1242         consider section_order_index.
1243         (Output_section::Input_section_sort_init_fini_compare::operator()):
1244         Change to consider section_order_index.
1245         (Output_section::Input_section_sort_section_order_index_compare
1246         ::operator()): New method.
1247         (Output_section::sort_attached_input_sections): Change to sort
1248         according to section order when specified.
1249         (Output_section::add_input_section<32, true>): Add new parameter.
1250         (Output_section::add_input_section<64, true>): Add new parameter.
1251         (Output_section::add_input_section<32, false>): Add new parameter.
1252         (Output_section::add_input_section<64, false>): Add new parameter.
1253         * output.h (Output_section::add_input_section): Add new parameter.
1254         (Output_section::input_section_order_specified): New
1255         method.
1256         (Output_section::set_input_section_order_specified): New method.
1257         (Input_section::Input_section): Initialize section_order_index_.
1258         (Input_section::section_order_index): New method.
1259         (Input_section::set_section_order_index): New method.
1260         (Input_section::section_order_index_): New member.
1261         (Input_section::Input_section_sort_section_order_index_compare): New
1262         struct.
1263         (Output_section::input_section_order_specified_): New member.
1264         * script-sections.cc (is_wildcard_string): Delete and move modified
1265         method to gold.h.
1266         (Output_section_element_input::Output_section_element_input): Modify
1267         call to is_wildcard_string.
1268         (Output_section_element_input::Input_section_pattern
1269         ::Input_section_pattern): Ditto.
1270         (Output_section_element_input::Output_section_element_input): Ditto.
1271         * testsuite/Makefile.am (final_layout): New test case.
1272         * testsuite/Makefile.in: Regenerate.
1273         * testsuite/final_layout.cc: New file.
1274         * testsuite/final_layout.sh: New file.
1276 2010-06-01  Rafael Espindola  <espindola@google.com>
1278         * plugin.cc (Plugin::load): Pass the output name to the plugin.
1280 2010-06-01  Rafael Espindola  <espindola@google.com>
1282         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1283         visibility of symbols.
1285 2010-05-27  Doug Kwan  <dougkwan@google.com>
1287         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1288         from start of output section instead of address for a local symbol
1289         in a merged or relaxed section when doing a relocatable link.
1291 2010-05-26  Rafael Espindola  <espindola@google.com>
1293        PR 11604
1294         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1295         adding sections the garbage collector removed.
1296         * gold/testsuite/Makefile.am: Add test.
1297         * gold/testsuite/Makefile.in: Regenerate.
1298         * gold/testsuite/plugin_test_7.sh: New.
1299         * gold/testsuite/plugin_test_7_1.c: New.
1300         * gold/testsuite/plugin_test_7_2.c: New.
1302 2010-05-26  Rafael Espindola  <espindola@google.com>
1304         * script-sections.cc (Output_section_definition::set_section_addresses):
1305         Check for --section-start.
1307 2010-05-26  Doug Kwan  <dougkwan@google.com>
1309         * arm.cc (Arm_scan_relocatable_relocs): New class.
1310         (Target_arm::relocate_special_relocatable): New method.
1311         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1312         (Arm_relocate_functions::thumb_branch_common): Same.
1313         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1314         instead of Default_scan_relocatable_relocs.
1315         * target-reloc.h (relocate_for_relocatable): Let target handle
1316         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1317         * target.h (Sized_target::relocate_special_relocatable): New method.
1319 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1321         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1323 2010-05-23  Doug Kwan  <dougkwan@google.com>
1325         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1326         instead of a cast.
1327         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1328         with a direct branch, not a conditional branch, to a stub.
1329         * merge.cc (Output_merge_base::record_input_section): New method
1330         defintion.
1331         (Output_merge_data::do_add_input_section): Record input section if
1332         keeps-input-sections flag is set.
1333         (Output_merge_string::do_add_input_section): Ditto.
1334         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1335         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1336         INPUT_SECTIONS_.
1337         (Output_merge_base::keeps_input_sections,
1338         Output_merge_base::set_keeps_input_sections,
1339         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1340         method definitions.
1341         (Output_merge_base::Input_sections): New type declaration.
1342         (Output_merge_base::input_sections_begin,
1343         Output_merge_base::input_sections_end,
1344         Output_merge_base::do_set_keeps_input_sections): New method definitions.
1345         (Output_merge_base::bool keeps_input_sections_,
1346         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1347         Output_merge_base::input_sections_): New data members.
1348         (Output_merge_data::do_set_keeps_input_sections): New method
1349         defintion.
1350         (Output_merge_string::do_set_keeps_input_sections): Ditto.
1351         * output.cc (Output_section::Input_section::relobj): Move method
1352         defintion from class declaration to here and handle merge sections.
1353         (Output_section::Input_section::shndx): Ditto.
1354         (Output_section::Output_section): Remove initializations of removed
1355         data members and initialize new data member LOOKUP_MAPS_.
1356         (Output_section::add_input_section): Set keeps-input-sections flag
1357         for a newly created merge output section as appropriate.  Adjust code
1358         to use Output_section_lookup_maps class.
1359         (Output_section::add_relaxed_input_section): Adjst code for lookup
1360         maps code refactoring.
1361         (Output_section::add_merge_input_section): Add a new parameter
1362         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
1363         class.  If adding input section to a newly created merge output
1364         section fails, remove the new merge section.
1365         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1366         Adjust code for use of the Output_section_lookup_maps class.
1367         (Output_section::find_merge_section): Ditto.
1368         (Output_section::build_lookup_maps): New method defintion.
1369         (Output_section::find_relaxed_input_section): Adjust code to use
1370         Output_section_lookup_maps class.
1371         (Output_section::get_input_sections): Export merge sections.  Adjust
1372         code to use Output_section_lookup_maps class.
1373         (Output_section:::add_script_input_section): Adjust code to use
1374         Output_section_lookup_maps class.  Update lookup maps for merge
1375         sections also.
1376         (Output_section::discard_states): Use Output_section_lookup_maps.
1377         (Output_section::restore_states): Same.
1378         * output.h (Merge_section_properties): Move class defintion out of
1379         Output_section.
1380         (Output_section_lookup_maps): New class.
1381         (Output_section::Input_section::is_merge_section): New method
1382         defintion.
1383         (Output_section::Input_section::relobj): Move defintion out of class
1384         defintion.  Declare method only.
1385         (Output_section::Input_section::shndx): Ditto.
1386         (Output_section::Input_section::output_merge_base): New method defintion.
1387         (Output_section::Input_section::u2_.pomb): New union field.
1388         (Output_section::Merge_section_by_properties_map,
1389         Output_section::Output_section_data_by_input_section_map,
1390         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1391         Remove types.
1392         (Output_section::add_merge_input_section): Add new parameter
1393         KEEPS_INPUT_SECTIONS.
1394         (Output_section::build_lookup_maps): New method declaration.
1395         (Output_section::merge_section_map_,
1396         Output_section::merge_section_by_properties_map_,
1397         Output_section::relaxed_input_section_map_,
1398         Output_section::is_relaxed_input_section_map_valid_): Remove data
1399         members.
1400         (Output_section::lookup_maps_): New data member.
1402 2010-05-21  Doug Kwan  <dougkwan@google.com>
1404         PR gold/11619
1405         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1406         avoid a compilation error.
1408 2010-05-19  Rafael Espindola  <espindola@google.com>
1410         * script-sections.cc (Output_section_definition::allocate_to_segment):
1411         Update the phdrs_list even when the output section is NULL.
1412         * testsuite/Makefile.am: Add test.
1413         * testsuite/Makefile.in: Regenerate.
1414         * testsuite/script_test_9.cc: New.
1415         * testsuite/script_test_9.sh: New.
1416         * testsuite/script_test_9.t: New.
1418 2010-05-19  Doug Kwan  <dougkwan@google.com>
1420         * arm.cc (Arm_input_section::original_size): New method.
1421         (Arm_input_section::do_addralign): Add a cast.
1422         (Arm_input_section::do_output_offset): Remove static cast.
1423         (Arm_input_section::original_addralign,
1424          Arm_input_section::original_size_): Change type to uint32_t.
1425         (Arm_input_section::init): Add safe casts for section alignment
1426         and size.
1427         (Arm_input_section::set_final_data_size): Do not set address and
1428         offset of stub table.
1429         (Arm_output_section::fix_exidx_coverage): Change use of of
1430         Output_section::Simple_input_section to that of
1431         Output_section::Input_section.
1432         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1433         except for the first pass.
1434         * output.cc (Output_section::get_input_sections): Change type of
1435         input_sections to std::list<Input_section>.
1436         (Output_section::add_script_input_section): Rename from
1437         Output_section::add_simple_input_section.  Change type of SIS
1438         parameter from Simple_input_section to Input_section.
1439         * output.h (Output_section::Simple_input_section): Remove class.
1440         (Output_section::Input_section): Change class visibility to public.
1441         (Output_section::Input_section::addralign): Use stored alignments
1442         for special input sections if set.
1443         (Output_section::Input_section::set_addralign): New method.
1444         (Output_section::get_input_sections): Change parameter type from
1445         list of Simple_input_section to list of Input_section.
1446         (Output_section::add_script_input_section): Rename from
1447         Output_section::add_simple_input_section. Change first parameter's
1448         type from Simple_input_section to Input_section and remove the
1449         second and third parameters.
1450         * script-sections.cc (Input_section::Input_section_list): Change
1451         type to list of Output_section::Input_section/
1452         (Input_section_info::Input_section_info): Change parameter type of
1453         INPUT_SECTION to Output_section::Input_section.
1454         (Input_section_info::input_section): Change return type.
1455         (Input_section_info::input_section_): Change type to
1456         Output_section::Input_section.
1457         (Output_section_element_input::set_section_addresses): Adjust code
1458         to use Output_section::Input_section instead of
1459         Output_section::Simple_input_section.  Adjust code for renaming
1460         of Output_section::add_simple_input_section.
1461         (Orphan_output_section::set_section_addresses): Ditto.
1463 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1465         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1466         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1468 2010-05-18  Rafael Espindola  <espindola@google.com>
1470         * options.cc (General_options::finalize): Handle -nostdlib.
1471         * options.h (nostdlib): New option.
1472         * script.cc (script_add_search_dir): Handle -nostdlib.
1474 2010-05-12  Doug Kwan  <dougkwan@google.com>
1476         * arm.cc (Target_arm::do_finalize_sections): Create an empty
1477         attributes section only if there no attributes section after merging.
1478         (Target_arm::merge_object_attributes): Move value of
1479         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1480         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1481         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1482         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1483         and arm_attr_merge_7.stdout.
1484         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1485         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1486         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1487         arm_attr_merge_7b.o): New rules.
1488         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1489         arm_attr_merge_7
1490         * testsuite/Makefile.in: Regenerate.
1491         * testsuite/arm_attr_merge.sh: New file.
1492         * testsuite/arm_attr_merge_[67][ab].s: Same.
1494 2010-05-05  Nick Clifton  <nickc@redhat.com>
1496         * po/es.po: Updated Spanish translation.
1498 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1500         * Makefile.am (install-exec-local): Properly install gold as
1501         default cross linker.
1502         * Makefile.in: Regenerated.
1504 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1505             Nick Clifton  <nickc@redhat.com>
1507         * configure.ac (install_as_default): Define and set to false
1508         unless --enable-gold or --enable-gold=both/gold has been
1509         specified.
1510         * configure: Regenerate.
1512         * Makefile.am (install-exec-local): Install the executable as
1513         'ld.gold'.  If install_as_default is true then also install it as
1514         'ld'.
1515         * Makefile.in: Regenerated.
1517 2010-04-24  Ian Lance Taylor  <iant@google.com>
1519         * layout.cc (Layout::layout_reloc): In relocatable link don't
1520         combine reloc sections for grouped sections.
1522 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
1524         * gc.h (gc_process_relocs): Pass information on relocs pointing to
1525         sections that are not ordinary to icf.
1526         * icf.cc (get_section_contents): Handle relocation pointing to section
1527         with no object or shndx information.
1528         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
1529         * testsuite/Makefile.in: Regenerate.
1530         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
1531         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
1533 2010-04-22  Ian Lance Taylor  <iant@google.com>
1535         * expression.cc (Expression::Expression_eval_info): Add
1536         result_alignment_pointer field.
1537         (Expression::eval_with_dot): Add result_alignment_pointer
1538         parameter.  Change all callers.
1539         (Expression::eval_maybe_dot): Likewise.
1540         (class Binary_expression): Add alignment_pointer parameter to
1541         left_value and right_value.  Change all callers.
1542         (BINARY_EXPRESSION): Set result alignment.
1543         (class Trinary_expression): Add alignment_pointer parameter to
1544         arg2_value and arg3_value.  Change all callers.
1545         (Trinary_cond::value): Set result alignment.
1546         (Max_expression::value, Min_expression::value): Likewise.
1547         (Align_expression::value): Likewise.
1548         * script-sections.cc (class Sections_element): Add dot_alignment
1549         parameter to set_section_addresses virtual function.  Update
1550         instantiations.
1551         (class Output_section_element): Likewise.
1552         (Script_sections::create_segments): Add dot_alignment parameter.
1553         Change all callers.
1554         (Script_sections::create_segments_from_phdrs_clause): Likewise.
1555         (Script_sections::set_phdrs_clause_addresses): Likewise.
1556         * script-sections.h: Update declarations.
1557         * script.h: Update declarations.
1558         * output.h (Output_segment::set_minimum_p_align): Don't decrease
1559         min_p_align.
1560         * testsuite/script_test_3.t: Set large alignment.
1561         * testsuite/script_test_3.sh: Make sure that at least one LOAD
1562         segment has expected alignment.
1564 2010-04-22  Nick Clifton  <nickc@redhat.com>
1566         * po/gold.pot: Updated by the Translation project.
1567         * po/vi.po: Updated Vietnamese translation.
1569 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
1571         * testsuite/Makefile.am (check_PROGRAMS): Add
1572         icf_virtual_function_folding_test.
1573         * testsuite/Makefile.in: Regenerated.
1575 2010-04-15  Andrew Haley  <aph@redhat.com>
1577         * options.h (merge_exidx_entries): New option.
1578         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
1579         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
1580         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
1581         (Target_arm::merge_exidx_entries): New function.
1582         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
1583         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
1584         to Arm_exidx_fixup constructor.
1585         Add new arg, merge_exidx_entries.
1586         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
1587         Arm_output_section::fix_exidx_coverage.
1589 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
1591         * icf.cc (get_section_contents): Check for preemptible functions.
1592         Ignore addend when appropriate.
1593         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
1594         section folded.
1595         (add_from_relobj): Check for section folded.
1596         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
1597         * symtab.h (should_add_dynsym_entry): Add new parameter.
1598         * target-reloc.h (scan_relocs): Check for section folded.
1599         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
1600         Check reloc types for function pointers in shared objects.
1601         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
1602         case.
1603         (icf_preemptible_functions_test): New test case.
1604         (icf_string_merge_test): New test case.
1605         * testsuite.Makefile.in: Regenerate.
1606         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
1607         bar_glob.  Refactor code.
1608         * testsuite/icf_preemptible_functions_test.cc: New file.
1609         * testsuite/icf_preemptible_functions_test.sh: New file.
1610         * testsuite/icf_string_merge_test.cc: New file.
1611         * testsuite/icf_string_merge_test.sh: New file.
1612         * testsuite/icf_virtual_function_folding_test.cc: New file.
1613         * testsuite/icf_virtual_function_folding_test.sh: New file.
1615 2010-04-14  Doug Kwan  <dougkwan@google.com>
1617         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
1618         for local symbol recounting if we remove a section due to ICF.
1619         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
1620         there are no regular objects in input.
1622 2010-04-13  Doug Kwan  <dougkwan@google.com>
1624         * arm.cc (Arm_input_section::set_final_data_size): Compute
1625         accurate final data size instead of using current data size.
1627 2010-04-09  Doug Kwan  <dougkwan@google.com>
1629         * layout.cc (Layout::choose_output_section): Handle script section
1630         types.
1631         (Layout::make_output_section_for_script): Add section type parameter.
1632         Handle script section types.
1633         * layout.h (Layout::make_output_section_for_script): Add section
1634         type parameter.
1635         * output.cc (Output_section::Output_section): Initialize data member
1636         is_noload_.
1637         (Output_section::do_reset_address_and_file_offset): Do not set address
1638         to 0 if section is a NOLOAD section.
1639         * output.h (Output_section::is_noload): New method.
1640         (Output_section::set_is_noload): Ditto.
1641         (Output_section::is_noload_): New data member.
1642         * script-c.h (Script_section_type): New enum type.
1643         (struct Parser_output_section_header): Add new file section_type.
1644         * script-sections.cc (Sections_element::output_section_name): Add
1645         parameter for returning script section type.
1646         (Output_section_definition::output_section_name): Ditto.
1647         (Output_section_definition::section_type)P; New method.
1648         (Output_section_definiton::script_section_type_name): Ditto.
1649         (Output_section_definition::script_section_type_): New data member.
1650         (Output_section_definition::Output_section_definition): Initialize
1651         data member Output_section_definition::script_section_type_.
1652         (Output_section_definition::create_sections): Pass script section type
1653         to Layout::make_output_section_for_script.
1654         (Output_section_definition::output_section_name): Return script
1655         section type to caller.
1656         (Output_section_definition::set_section_address): Do not advance
1657         dot value and load address if section type is NOLOAD.  Set address
1658         of NOLOAD sections regardless of section flags.
1659         (Output_section_definition::print): Print section type if it is
1660         not SCRIPT_SECTION_TYPE_NONE.
1661         (Output_section_definition::section_type): New method.
1662         (Output_section_definition::script_section_type_name): Ditto.
1663         (Script_sections::output_section_name): Add new parameter
1664         PSECTION_TYPE for returning script section type.  Pass it to
1665         section elements.  Handle discard sections.
1666         (Sort_output_sections::operator()): Handle NOLOAD sections.
1667         * script-sections.h (Script_sections::Section_type): New enum type.
1668         (Script_sections::output_section_name): Add a new parameter for
1669         returning script section type.
1670         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
1671         INFO and NOLOAD.
1672         * yyscript.y (union): Add new field SECTION_TYPE.
1673         (COPY, DSECT, INFO, NOLOAD): New tokens.
1674         (opt_address_and_section_type): Change type to output_section_header.
1675         (section_type): New non-terminal
1676         (section_header): Handle section type.
1677         (opt_address_and_section_type): Return section type value.
1679 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1681         * testsuite/plugin_common_test_1.c (foo): Add prototype.
1682         * testsuite/plugin_common_test_2.c (foo): Likewise.
1684 2010-04-08  Doug Kwan  <dougkwan@google.com>
1686         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
1687         Output_merge_data.
1688         * output.cc (Output_section::add_merge_input_section): Simplify
1689         code and return status of Output_merge_base::add_input_section.
1690         Update merge section map only if Output_merge_base::add_input_section
1691         returns true.
1693 2010-04-07  Doug Kwan  <dougkwan@google.com>
1695         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
1696         if section is marked as containing instructions but has no mapping
1697         symbols.
1698         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
1699         correct section index.
1700         (Arm_relobj::find_linked_text_section): Ditto.
1702 2010-04-07  Cary Coutant  <ccoutant@google.com>
1704         * archive.cc (include_member): Destroy Read_symbols_data object before
1705         releasing file.
1706         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
1707         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
1708         (Read_symbols_data::~Read_symbols_data) New destructor.
1709         (Section_relocs::Section_relocs) New constructor.
1710         (Section_relocs::~Section_relocs) New destructor.
1711         (Read_relocs_data::Read_relocs_data) New constructor.
1712         (Read_relocs_data::~Read_relocs_data) New destructor.
1713         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
1714         pointers to NULL after deleting.
1716 2010-04-07  Doug Kwan  <dougkwan@google.com>
1718         * arm.cc: Replace "endianity" with "endianness" in comments.
1719         (Arm_exidx_cantunwind): Ditto.
1720         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
1721         (Arm_relobj::merge_flags_and_attributes): New method.
1722         (Arm_relobj::merge_flags_and_attributes_): New data member.
1723         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
1724         (Arm_relobj::scan_sections_for_stubs): Ditto.
1725         (Arm_relobj::do_read_symbols): Check to see if we really want to
1726         merge processor-specific flags and attributes.  Exit early if
1727         an object is empty except for section names and the undefined symbol.
1728         (Target_arm::do_finalize_sections): Move check for ELF format to
1729         Arm_relobj::do_read_symbols.  Merge processor specific flags and
1730         attributes from a regular object only when we have determined that
1731         it is aapropriate.  Do not create an .ARM.attributes section in
1732         output if there is no regular input object.
1733         (Target_arm::merge_processor_specific_flags): Check
1734         --warn-mismatch before printing any error.
1735         (Target_arm::merge_object_attributes): Ditto.
1736         * gold.cc (queue_middle_tasks): Handle the case in which there is
1737         no regular object in input.
1738         * options.cc (General_options::parse_EB): New method.
1739         (General_options::parse_EL): Same.
1740         (General_options::General_options): Initialize endianness_.
1741         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
1742         New options.
1743         (General_options::Endianness): New enum.
1744         (General_options::endianness): New method.
1745         (General_options::endianness_): New data member.
1746         * parameters.cc (Parameters::set_options): Check target endianness.
1747         (Parameters::set_target_once): Ditto.
1748         (Parameters::check_target_endianness): New method.
1749         (parameters_force_valid_target): If either -EL or -EB is specified,
1750         use it to define endianness of default target.
1751         * parameters.h (Parameters::check_target_endianness): New method
1752         declaration.
1753         * target.h (class Target): Change "endianity" to "endianness"
1754         in comments.
1756 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1758         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
1759         * configure: Regenerate.
1760         * Makefile.in: Regenerate.
1761         * testsuite/Makefile.in: Regenerate.
1763 2010-04-06  Cary Coutant  <ccoutant@google.com>
1765         gcc PR lto/42757
1766         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
1767         prevailing definitions of common symbols.
1768         * testsuite/plugin_test_6.sh: New test case.
1769         * testsuite/plugin_common_test_1.c: New test case.
1770         * testsuite/plugin_common_test_2.c: New test case.
1771         * testsuite/Makefile.am (plugin_test_6): New test case.
1772         * testsuite/Makefile.in: Regenerate.
1774 2010-04-06  Nick Clifton  <nickc@redhat.com>
1776         * po/vi.po: New Vietnamese translation.
1778 2010-03-30  Doug Kwan  <dougkwan@google.com>
1780         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
1782 2010-03-25  Doug Kwan  <dougkwan@google.com>
1784         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
1785         to avoid a conversion warning on a 32-bit host.
1787 2010-03-24  Ian Lance Taylor  <iant@google.com>
1789         * testsuite/script_test_3.t: Add a TLS segment.
1790         * testsuite/Makefile.am (check_PROGRAMS): Add
1791         tls_phdrs_script_test.
1792         (tls_phdrs_script_test_SOURCES): Define.
1793         (tls_phdrs_script_test_DEPENDENCIES): Define.
1794         (tls_phdrs_script_test_LDFLAGS): Define.
1795         (tls_phdrs_script_test_LDADD): Define.
1796         * testsuite/Makefile.in: Rebuild.
1798 2010-03-23  Cary Coutant  <ccoutant@google.com>
1800         * fileread.cc (find_or_make_view): Fix comment.
1802 2010-03-23  Ian Lance Taylor  <iant@google.com>
1804         * script-sections.cc (class Orphan_section_placement): Define
1805         PLACE_TLS and PLACE_TLS_BSS.
1806         (Orphan_section_placement::Orphan_section_placement): Initialize
1807         new places.
1808         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
1809         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
1810         (tls_script_test_SOURCES): Define.
1811         (tls_script_test_DEPENDENCIES): Define.
1812         (tls_script_test_LDFLAGS): Define.
1813         (tls_script_test_LDADD): Define.
1814         * testsuite/Makefile.in: Rebuild.
1816 2010-03-22  Doug Kwan  <dougkwan@google.com>
1818         * arm.cc (Arm_relocate_functions::abs8,
1819         Arm_relocate_functions::abs16): Use correct check for overflow
1820         specified in the ARM ELF specs.
1821         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
1822         target of a BLX instruction specially.
1823         (Reloc_stub::stub_type_for_reloc): Ditto.
1824         (Relocate::relocate): Use symbolic names instead of numeric relocation
1825         codes to report error.
1826         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
1827         workaround.
1828         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
1829         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
1830         thumb2_blx_out_of_range.stdout
1831         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
1832         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
1833         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
1834         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
1835         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
1836         thumb2_blx_in_range, thumb2_blx_in_range.o,
1837         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
1838         thumb2_blx_out_of_range.o): New rules.
1839         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
1840         thumb2_blx_in_range and thumb2_blx_out_of_range.
1841         * testsuite/Makefile.in: Regenerate.
1842         * arm_branch_in_range.sh: Add tests for THUMB BLX.
1843         * testsuite/thumb_blx_in_range.s: New file.
1844         * testsuite/thumb_blx_out_of_range.s: New file.
1846 2010-03-22  Rafael Espindola  <espindola@google.com>
1848         * archive.cc (Should_include): Move to archive.h.
1849         (should_include_member): Make it a member of Archive.
1850         (Lib_group): New.
1851         (Add_lib_group_symbols): New.
1852         * archive.h: Include options.h.
1853         (Archive_member): Moved from Archive.
1854         (Should_include): Moved from archive.cc.
1855         (Lib_group): New.
1856         (Add_lib_group_symbols): New.
1857         * dynobj.cc (do_should_include_member): New.
1858         * dynobj.h (do_should_include_member): New.
1859         * gold.cc (queue_initial_tasks): Update call to queue.
1860         * main.cc (main): Print lib group stats.
1861         * object.cc (do_should_include_member): New.
1862         * object.h: Include archive.h.
1863         (Object::should_include_member): New.
1864         (Object::do_should_include_member): New.
1865         (Sized_relobj::do_should_include_member): New.
1866         * options.cc (General_options::parse_start_lib): New.
1867         (General_options::parse_end_lib): New.
1868         (Input_arguments::add_file): Handle lib groups.
1869         (Input_arguments::start_group): Check we are not in a lib.
1870         (Input_arguments::start_lib): New.
1871         (Input_arguments::end_lib): New.
1872         * options.h (General_options): Add start_lib and end_lib.
1873         (Input_argument::lib_): New.
1874         (Input_argument::lib): New.
1875         (Input_argument::is_lib): New.
1876         (Input_file_lib): New.
1877         (Input_arguments::in_lib_): New.
1878         (Input_arguments::in_lib): New.
1879         (Input_arguments::start_lib): New.
1880         (Input_arguments::end_lib_): New.
1881         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
1882         in unused members as preempted.
1883         (Sized_pluginobj::do_should_include_member): New.
1884         * plugin.h (Sized_pluginobj::do_should_include_member): New.
1885         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
1886         return the blocker.
1887         (Read_symbols::do_whole_lib_group): New.
1888         (Read_symbols::do_lib_group): New.
1889         (Read_symbols::do_read_symbols): Handle lib groups.
1890         (Read_symbols::get_name): Handle lib groups.
1891         * readsyms.h (Read_symbols): Add an archive member pointer.
1892         (Read_symbols::do_whole_lib_group): New.
1893         (Read_symbols::do_lib_group): New.
1894         (Read_symbols::member_): New.
1895         * script.cc (read_input_script): Update call to queue_soon.
1897 2010-03-19  Doug Kwan  <dougkwan@google.com>
1899         * arm.cc (Stub_table::Stub_table): Initialize new data members
1900         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1901         (Stub_table::add_reloc_stub): Assign stub offset and update
1902         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1903         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
1904         New data members.
1905         (Stub_table::update_data_size_and_addralign): Use
1906         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
1907         instead of going over all reloc stubs.
1908         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
1909         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1910         Stringpool_template::offset_ to size of Stringpool_char.
1911         (Stringpool_template::new_key_offset): Remove code to initialize
1912         Stringpool_template::offset_.
1913         * stringpool.h (Stringpool_template::set_no_zero_null): Set
1914         Stringpool_template::offset_ to zero.
1916 2010-03-15  Doug Kwan  <dougkwan@google.com>
1918         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1919         offset_.
1920         (Stringpool_template::new_key_offset): New method.
1921         (Stringpool_template::add_string): Assign offsets when adding new
1922         strings.
1923         (Stringpool_template::set_string_offsets): Do not set string offsets
1924         when not optimizing.
1925         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
1926         member size_.
1927         (Chunked_vector::clear): Clear size_.
1928         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
1929         (Chunked_vector::size): Return size_.
1930         (Chunked_vector::push_back): Use size_ to find insert position.
1931         (Chunked_vector::size_): New data member.
1932         (Stringpool_template::set_no_zero_null): Assert string set is empty.
1933         (Stringpool_template::new_key_offset): New method declaration.
1934         (Stringpool_template::offset_): New data member.
1936 2010-03-15   Rafael Espindola  <espindola@google.com>
1938         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
1939         Add_symbols' constructor.
1940         * readsyms.h (Add_symbols): Remove the input_group member.
1942 2010-03-10  Ian Lance Taylor  <iant@google.com>
1944         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
1945         target to ask whether a reference to a symbol requires a stack
1946         split.
1947         * target.h (Target::is_call_to_non_split): New function.
1948         (Target::do_is_call_to_non_split): Declare virtual function.
1949         * target.cc: Include "symtab.h".
1950         (Target::do_is_call_to_non_split): New function.
1951         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
1953 2010-03-10  Cary Coutant  <ccoutant@google.com>
1955         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
1956         (File_read::open[1]): Remove initial mapping of whole_file_view_.
1957         (File_read::open[2]): Add whole_file_view_ to list of views.
1958         (File_read::make_view): Remove test of whole_file_view_.
1959         (File_read::find_or_make_view): Create whole_file_view_ if
1960         necessary.
1961         (File_read::clear_views): Replace bool parameter with enum;
1962         adjust all callers.  Don't delete views with permanent data;
1963         do delete cached views and views from archives if
1964         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
1965         if clearing the corresponding view.
1966         * fileread.h (File_read::Clear_views_mode): New enum.
1967         (File_read::View::is_permanent_view): New method.
1968         (File_read::clear_views): Replace bool parameter
1969         with enum; adjust all callers.
1970         * options.h (General_options): Change keep_files_mapped option;
1971         add map_whole_files.
1972         * readsyms.cc (Add_symbols::run): Delete sd_ object before
1973         releasing the file.
1974         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
1975         the file.
1977 2010-03-10  David S. Miller  <davem@davemloft.net>
1979         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
1981 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
1983         * icf.cc (get_section_contents): Add '@' marker after processing the
1984         merge reloc.
1986 2010-03-08  Doug Kwan  <dougkwan@google.com>
1988         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
1989         due to a conversion warning.
1990         (Arm_relobj::update_output_local_symbol_count): Check for local
1991         symbol with unset output index.
1993 2010-03-05  Ian Lance Taylor  <iant@google.com>
1995         * options.h (class General_options): Add --spare-dynamic-tags.
1996         * output.cc (Output_data_dynamic::set_final_data_size): Implement
1997         --spare-dynamic-tags.
1999 2010-03-05  Ian Lance Taylor  <iant@google.com>
2001         * incremental.cc: Include "libiberty.h".
2003 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2005         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
2006         function, is_info_ member.
2007         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
2008         (Versions::Versions): Update caller.
2009         (Versions::define_base_version): Likewise.
2010         (Versions::add_def): Likewise.
2012 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
2014         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
2015         (Scan::possible_function_pointer_reloc): New function.
2016         (Scan::local_reloc_may_be_function_pointer): Change to call
2017         possible_function_pointer_reloc.
2018         (Scan::global_reloc_may_be_function_pointer): Ditto.
2019         * icf.h (Icf::check_section_for_function_pointers): Change to reject
2020         relocations in ".data.rel.ro._ZTV" section.
2021         * testsuite/icf_safe_so_test.sh: Change to pass i386.
2022         * testsuite/icf_safe_so_test.cc: Ditto.
2023         * testsuite/icf_safe_test.cc: Ditto.
2024         * testsuite/icf_safe_test.sh: Ditto.
2026 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2027             Ian Lance Taylor  <iant@google.com>
2029         * target-reloc.h (relocate_section): Check the symbol table index
2030         for -1U before setting the local symbol index.
2031         (scan_relocatable_relocs): If copying the relocation, record that
2032         the local symbol is required.
2033         * object.h (Symbol_value::is_output_symtab_index_set): New
2034         function.
2035         (Symbol_value::may_be_discarded_from_output_symtab): New
2036         function.
2037         (Symbol_value::has_output_symtab_entry): New function.
2038         (Symbol_value::needs_output_symtab_entry): Remove.
2039         (Symbol_value::output_symtab_index): Make sure the symbol index is
2040         set.
2041         (Symbol_value::set_output_symtab_index): Make sure the symbol
2042         index is not set.  Make sure the new index is valid.
2043         (Symbol_value::set_must_have_output_symtab_entry): New function.
2044         (Symbol_value::has_output_dynsym_entry): New function.
2045         (Symbol_value::set_output_dynsym_index): Make sure the new index
2046         is valid.
2047         (Sized_relobj::set_must_have_output_symtab_entry): New function.
2048         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
2049         local symbol if permitted.
2050         (Sized_relobj::do_finalize_local_symbols): Call
2051         is_output_symtab_index_set rather than needs_output_symtab_entry.
2052         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
2053         rather than needs_output_symtab_entry.  Call
2054         has_output_dynsym_entry rather than needs_output_dynsym_entry.
2055         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
2056         is_output_symtab_index_set rather than needs_output_symtab_entry.
2057         * testsuite/discard_locals_relocatable_test.c: New file.
2058         * testsuite/discard_locals_test.sh: Test -r.
2059         * testsuite/Makefile.am (check_DATA): Add
2060         discard_locals_relocatable_test1.syms,
2061         discard_local_relocatable_test2.syms.
2062         (MOSTLYCLEANFILES): Likewise.  Also add
2063         discard_locals_relocatable_test1.lout and
2064         discard_locals_relocatable_test2.out.
2065         (discard_locals_relocatable_test1.syms): New target.
2066         (discard_locals_relocatable_test.o): New target.
2067         (discard_locals_relocatable_test1.out): New target.
2068         (discard_locals_relocatable_test2.syms): New target.
2069         (discard_locals_relocatable_test2.out): New target.
2070         (various): Add missing ../ld-new dependencies.
2071         * testsuite/Makefile.in: Rebuild.
2073 2010-03-03  Nick Clifton  <nickc@redhat.com>
2075         * po/fi.po: New Finnish translation.
2077 2010-03-01  Doug Kwan  <dougkwan@google.com>
2079         * layout.cc (Layout::Layout): Force section types of .init_array*,
2080         .preinit_array* and .fini_array* sections.
2081         * output.cc (Output_section::Input_section_sort_entry::has_priority):
2082         Fix check of return value of std::string::find.().
2083         (Output_section::Input_section_sort_compare::operator()): Remove
2084         comment about .init_array.
2085         (Output_section::Input_section_sort_init_fini_compare::operator()):
2086         New method.
2087         (Output_section::sort_attached_input_sections): Handle .init_array
2088         and .fini_array specially.
2089         * output.h (Output_section::Inut_section_sort_compare): Update
2090         comment.
2091         (Output_section::Input_section_sort_init_fini_compare): New struct.
2093 2010-02-26  Doug Kwan  <dougkwan@google.com>
2095         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
2096         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
2097         * testsuite/debug_msg.sh: Avoid matching source line number for
2098         use of global variable undef_int.
2100 2010-02-26  Doug Kwan  <dougkwan@google.com>
2102         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
2103         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
2104         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
2105         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
2106         * options.cc (General_options::General_options): Initialize member
2107         fix_v4bx_.
2108         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
2109         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
2110         and rm_no_fix_v4bx.stdout
2111         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
2112         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
2113         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
2114         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
2115         and arm_no_fix_v4bx.
2116         * Makefile.in: Regenerate.
2117         * testsuite/arm_fix_v4bx.s: New file.
2118         * testsuite/arm_fix_v4bx.sh: Ditto.
2120 2010-02-24  Doug Kwan  <dougkwan@google.com>
2122         * arm.cc (Target_arm::got_section): Make the .got section the first
2123         non RELRO section in the data segment.
2124         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
2125         suffixes of section names.
2127 2010-02-24  Doug Kwan  <dougkwan@google.com>
2129         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
2130         flags and attributes merging if an input file is a binary file.
2131         * fileread.cc (Input_file::open): Record format of original file.
2132         * fileread.h (Input_file::Format): New enum type.
2133         (Input_file::Input_file): Initialize data member format_.
2134         (Input_file::format): New method definition.
2135         (Input_file::format_):: New data member.
2137 2010-02-24  Doug Kwan  <dougkwan@google.com>
2139         * arm.cc (Arm_output_data_got): New class.
2140         (ARM_TCB_SIZE): New constant
2141         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
2142         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
2143         If user uses a script with a SECTIONS clause, issue only a warning
2144         for a misplaced EXIDX input section.  Otherwise, issue an error.
2145         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
2146         garbage collection.
2147         (Target_arm::got_mode_index_entry): Handle static linking.
2148         (Target_arm::Scan::local): Ditto.
2149         (Target_arm::Scan::global): Ditto.
2150         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
2151         all incorrectly implemented relocations.
2152         (Target_arm::fix_exidx_coverage): Pass layout to
2153         Arm_output_section::fix_exidx_coverage.
2154         * layout.cc (Layout::section_name_mapping): Remove trailing dots
2155         from ".ARM.exidx." and ".ARM.extab.".
2157 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2159         * arm.cc (Target_arm::do_finalize_sections): Create attribute
2160         section if it does not already exist.
2161         * attributes.cc (Attributes_section_data::Attributes_section_data):
2162         Don't crash if size is zero.
2164 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2165             Ian Lance Taylor  <iant@google.com>
2167         * gold.cc (queue_middle_tasks): If no input files were opened,
2168         exit.
2169         * workqueue.h (Task_function::Task_function): Assert that there is
2170         a blocker.
2172 2010-02-22  Doug Kwan  <dougkwan@google.com>
2174         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
2175         * icf.cc (get_section_contents): Cast snprintf arguments to long long
2176         types to avoid warnings due to different uint64_t implementations
2177         on different hosts.
2179 2010-02-21  Doug Kwan  <dougkwan@google.com>
2181         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
2182         handling of the maximum backward branch offset.
2183         (Arm_relocate_functions::thumb_branch_common): Ditto.
2184         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
2185         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
2186         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2187         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
2188         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
2189         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
2190         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
2191         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
2192         thumb_bl_out_of_range thumb_bl_out_of_range.o,
2193         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
2194         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
2195         thumb2_bl_out_of_range.o): New rules.
2196         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
2197         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
2198         thumb2_bl_out_of_range
2199         * testsuite/Makefile.in: Regenerate.
2200         * testsuite/arm_bl_in_range.s: New file.
2201         * testsuite/arm_bl_out_of_range.s: Ditto.
2202         * testsuite/arm_branch_in_range.sh: Ditto.
2203         * testsuite/arm_branch_range.t: Ditto.
2204         * testsuite/thumb2_branch_range.t: Ditto.
2205         * testsuite/thumb_bl_in_range.s: Ditto.
2206         * testsuite/thumb_bl_out_of_range.s: Ditto.
2207         * testsuite/thumb_branch_range.t: Ditto.
2209 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
2211         * gc.h (gc_process_relocs): Change vectors to point to the new list.
2212         Add reloc offset information.
2213         * icf.cc (get_section_contents): Change iterators to point to the new
2214         vectors. Add reloc offset information to the contents.
2215         * icf.h (Icf::Sections_reachable_info): New typedef.
2216         (Icf::Sections_reachable_list): New typedef.
2217         (Icf::Offset_info): New typedef.
2218         (Icf::Reloc_info): New struct typedef.
2219         (Icf::Reloc_info_list): New typedef.
2220         (Icf::symbol_reloc_list): Delete method.
2221         (Icf::addend_reloc_list): Delete method.
2222         (Icf::section_reloc_list): Delete method.
2223         (Icf::reloc_info_list): New method.
2224         (Icf::reloc_info_list_): New member.
2226 2010-02-19  Doug Kwan  <dougkwan@google.com>
2228         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
2229         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
2230         * arm.cc (Arm_relocation_functions): New forward declaration.
2231         (Target_arm::Target_arm): Initialize new data members
2232         got_mod_index_offset_ and tls_base_symbol_defined_.
2233         (Target_arm::Relocate::relocate_tls): New method.
2234         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
2235          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
2236         New methods.
2237         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
2238         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
2239         (Target_arm::got_mod_index_offset_,
2240         Target_arm::tls_base_symbol_defined_): New data members.
2241         (Target_arm::Scan::local, Target::Scan::global,
2242         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
2243         relocations.
2245 2010-02-18  Doug Kwan  <dougkwan@google.com>
2247         * arm.cc (Arm_relobj::find_linked_text_section): New method.
2248         (Arm_relobj::make_exidx_input_section): Pass section index of linked
2249         text section as a parameter becuase some broken tools may not set
2250         the link in section header.
2251         (Target_arm::has_got_section): New method.
2252         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2253         without any mapping symbol as data only.  Remove warning.
2254         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2255         link in its section header, try to discover the link by inspecting the
2256         REL31 relocation at the beginning of the section.
2257         (Target_arm::Scan::check_non_pic): Report name of offending relocation
2258         in error message.
2259         (Target_arm::Scan::global): Treat any reference to the symbol
2260         _GLOBAL_OFFSET_TABLE_ as a GOT access.
2262 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
2264         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2265         (Scan::global_reloc_may_be_function_pointer): New function.
2266         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2267         (Scan::global_reloc_may_be_function_pointer): New function.
2268         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2269         (Scan::global_reloc_may_be_function_pointer): New function.
2270         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2271         (Scan::global_reloc_may_be_function_pointer): New function.
2272         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2273         (Scan::global_reloc_may_be_function_pointer): New function.
2274         (Scan::possible_function_pointer_reloc): New function.
2275         (Target_x86_64::can_check_for_function_pointers): New function.
2276         * gc.h (gc_process_relocs): Scan relocation types to determine if
2277         function pointers were taken for targets that support it.
2278         * icf.cc (Icf::find_identical_sections): Include functions for
2279         folding in safe ICF whose pointer is not taken.
2280         * icf.h (Secn_fptr_taken_set): New typedef.
2281         (fptr_section_id_): New member.
2282         (section_has_function_pointers): New function.
2283         (set_section_has_function_pointers): New function.
2284         (check_section_for_function_pointers): New function.
2285         * options.h: Fix comment for safe ICF option.
2286         * target.h (can_check_for_function_pointers): New function.
2287         * testsuite/Makefile.am: Add icf_safe_so_test test case.
2288         Modify icf_safe_test for X86-64.
2289         * testsuite/Makefile.in: Regenerate.
2290         * testsuite/icf_safe_so_test.cc: New file.
2291         * testsuite/icf_safe_so_test.sh: New file.
2292         * testsuite/icf_safe_test.cc (kept_func_3): New function.
2293         (main): Change to take pointer to function kept_func_3.
2294         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2295         folding is done correctly for X86-64.
2297 2010-02-12  David S. Miller  <davem@davemloft.net>
2299         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2300         is_symbolless parameter.
2301         (Output_reloc<SHT_REL>::is_symbolless): New.
2302         (Output_reloc<SHT_REL>::is_symbolless_): New.
2303         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2304         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2305         (Output_reloc<SHT_RELA>::is_symbolless): New.
2306         (Output_data_reloc::add_global): Handle is_symbolless.
2307         (Output_data_reloc::add_global_relative): Likewise.
2308         (Output_data_reloc::add_local): Likewise.
2309         (Output_data_reloc::add_local_relative): Likewise.
2310         (Output_data_reloc::add_symbolless_global_addend): New.
2311         (Output_data_reloc::add_symbolless_local_addend): New.
2312         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2313         is_symbolless.
2314         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2315         instead of ->is_relative_
2316         (Output_reloc::write): Likewise.
2317         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2318         (Output_reloc::write_rel): Simplify.
2320         * sparc.cc (Target_sparc::Scan::local): Use
2321         ->add_symbolless_local_addend as needed.
2322         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2323         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
2324         based upon relocation offset.
2326 2010-02-11  Doug Kwan  <dougkwan@google.com>
2328         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2329         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
2330         beginning of function.
2331         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2332         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
2333         parameter is_32bit in calls to should_apply_static_reloc.
2334         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2335         (check_DATA): Add arm_abs_global.stdout.
2336         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2337         arm_abs_global.stdout): New rules.
2338         (MOSTLLYCLEANFILES): Add arm_abs_global
2339         * Makefile.in: Regenerate.
2340         * testsuite/arm_abs_global.s: New file.
2341         * testsuite/arm_abs_global.sh: Ditto.
2342         * testsuite/arm_abs_lib.s: Ditto.
2344 2010-02-11  Ian Lance Taylor  <iant@google.com>
2346         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2347         Read_relocs task.
2348         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
2349         Allocate_commons_task first.
2350         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2351         task, rather than symtab_lock_.
2352         (Gc_process_relocs::~Gc_process_relocs): New function.
2353         (Gc_process_relocs::is_runnable): Check this_blocker_.
2354         (Gc_process_relocs::locks): Use next_blocker_ rather than
2355         blocker_.
2356         (Scan_relocs::~Scan_relocs): New function.
2357         (Scan_relocs::is_runnable): Check this_blocker_ rather than
2358         symtab_lock_.
2359         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
2360         next_blocker_.
2361         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2362         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
2363         constructor accordingly.
2364         (class Gc_process_relocs): Likewise.
2365         (class Scan_relocs): Likewise.
2366         * common.h (class Allocate_commons_task): Remove symtab_lock_
2367         field, and corresponding constructor parameter.
2368         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2369         symtab_lock_.
2370         (Allocate_commons_task::locks): Likewise.
2372 2010-02-11  Ian Lance Taylor  <iant@google.com>
2374         * gold-threads.h (class Once): Define.
2375         (class Initialize_lock): Rewrite as child of Once.
2376         * gold-threads.cc (class Once_initialize): Define.
2377         (once_pointer_control): New static variable.
2378         (once_pointer, once_arg): New static variables.
2379         (c_run_once): New static function.
2380         (Once::Once, Once::run_once, Once::internal_run): New functions.
2381         (class Initialize_lock_once): Remove.
2382         (initialize_lock_control): Remove.
2383         (initialize_lock_pointer): Remove.
2384         (initialize_lock_once): Remove.
2385         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2386         (Initialize_lock::initialize): Rewrite.
2387         (Initialize_lock::do_run_once): New function.
2388         * archive.cc (Archive::interpret_header): Only clear name if it is
2389         not already empty.
2390         * fileread.cc: Include "gold-threads.h"
2391         (file_counts_lock): New static variable.
2392         (file_counts_initialize_lock): Likewise.
2393         (File_read::release): Only increment counts when using --stats.
2394         Use a lock around the increment.
2395         * parameters.cc (class Set_parameters_target_once): Define.
2396         (set_parameters_target_once): New static variable.
2397         (Parameters::Parameters): Move here from parameters.h.
2398         (Parameters::set_target): Rewrite.
2399         (Parameters::set_target_once): New function.
2400         (Parameters::clear_target): Move here and rewrite.
2401         * parameters.h (class Parameters): Update declarations.  Add
2402         set_parameters_target_once_ field.
2403         (Parameters::Parameters): Move to parameters.cc.
2404         (Parameters::clear_target): Likewise.
2405         * readsyms.cc (Read_symbols::do_group): Create a Start_group
2406         task.
2407         (Start_group::~Start_group): New function.
2408         (Start_group::is_runnable): New function.
2409         (Start_group::locks, Start_group::run): New functions.
2410         (Finish_group::run): Change saw_undefined to size_t.
2411         * readsyms.h (class Start_group): Define.
2412         (class Finish_group): Change saw_undefined_ field to size_t.
2413         (Finish_group::Finish_group): Remove saw_undefined and
2414         this_blocker parameters.  Change all callers.
2415         (Finish_group::set_saw_undefined): New function.
2416         (Finish_group::set_blocker): New function.
2417         * symtab.h (class Symbol_table): Change saw_undefined to return
2418         size_t.  Change saw_undefined_ field to size_t.
2419         * target-select.cc (Set_target_once::do_run_once): New function.
2420         (Target_selector::Target_selector): Initialize set_target_once_
2421         field.  Don't initialize lock_ and initialize_lock_ fields.
2422         (Target_selector::instantiate_target): Rewrite.
2423         (Target_selector::set_target): New function.
2424         * target-select.h (class Set_target_once): Define.
2425         (class Target_selector): Update declarations.  Make
2426         Set_target_once a friend.  Remove lock_ and initialize_lock_
2427         fields.  Add set_target_once_ field.
2429 2010-02-10  Ian Lance Taylor  <iant@google.com>
2431         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2432         queueing any tasks.
2433         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
2434         (queue_middle_tasks): Add all blockers before queueing any tasks.
2435         (queue_final_tasks): Likewise.
2436         * token.h (Task_token::add_blockers): New function.
2437         * object.h (Input_objects::number_of_relobjs): New function.
2439 2010-02-10  Ian Lance Taylor  <iant@google.com>
2441         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2442         shared, not if not position independent.
2443         * x86_64.cc (Relocate::relocate_tls): Likewise.
2444         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2445         (tls_pie_pic_test): New target.
2446         * testsuite/Makefile.in: Rebuild.
2448         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2449         (tls_test_main_pie.o, tls_test_pie.o): New targets.
2450         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2451         * testsuite/Makefile.in: Rebuild.
2453 2010-02-09  David S. Miller  <davem@davemloft.net>
2455         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2456         R_SPARC_RELATIVE using ->add_local_relative().
2457         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2459         * output.h (Output_data_dynamic::add_section_size): New method
2460         that takes two Output_data objects.
2461         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2462         entry param.  Handle it in initializers.
2463         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2464         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2465         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2466         arg.
2467         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2468         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2469         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2470         for dynrel_includes_plt.
2471         * i386.cc (Target_i386::do_finalize_sections): Likewise.
2472         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2473         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2474         before .rela.plt
2475         (Target_sparc::do_finalize_sections): Update to pass true for
2476         dynrel_includes_plt.
2477         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2478         output before .rela.plt
2479         (Target_powerpc::do_finalize_sections): Update to pass true for
2480         dynrel_includes_plt when 32-bit.
2482 2010-02-08  Doug Kwan  <dougkwan@google.com>
2484         * arm.cc (Arm_relobj::simple_input_section_output_address): New
2485         method.
2486         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2487         Arm_relobj::scan_section_for_cortex_a8_stubs,
2488         Arm_relobj::do_relocation_section): Instead of calling
2489         Output_section::output_address, use faster
2490         Arm_relobj::simple_input_section_output_address.
2492 2010-02-08  David S. Miller  <davem@davemloft.net>
2494         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2495         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2496         relocation helper function.
2498         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2499         just like R_SPARC_GOT{10,13,22}.
2500         (Target_sparc::Scan::local): Likewise.
2501         (Target_sparc::Relocate:relocate): Likewise.
2503 2010-02-06  Ian Lance Taylor  <iant@google.com>
2505         * configure.ac: Rewrite targetobjs duplicate removal code to use
2506         only shell constructs.
2507         * configure: Rebuild.
2509 2010-02-05  Doug Kwan  <dougkwan@google.com>
2511         PR 11247
2512         * arm.cc (Arm_relobj::section_is_scannable): New method.
2513         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
2514         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2516 2010-02-04  Doug Kwan  <dougkwan@google.com>
2518         PR 11247
2519         * arm-reloc-property.cc (cstdio): Include.
2520         * configure.ac (targetobjs): Remove duplicates.
2521         * configure: Regenerate.
2522         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
2523         big and little endian version for a given address size.
2525 2010-02-03  Doug Kwan  <dougkwan@google.com>
2527         * arm-reloc-property.cc
2528         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2529         definition.
2530         * arm-reloc-property.h
2531         (Arm_reloc_property_table::get_implemented_static_reloc_property):
2532         New method definition.
2533         (Arm_reloc_property_table::reloc_name_in_error_message): New method
2534         declaration.
2535         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
2536         overflow to N.
2537         (GOT_PREL): Change implemented to Y.
2538         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
2539         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
2540         (Arm_relocate_functions::movw_abs_nc): Remove method.
2541         (Arm_relocate_functions::movt_abs): Ditto.
2542         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
2543         (Arm_relocate_functions::thm_movt_abs): Ditto.
2544         (Arm_relocate_functions::movw_rel_nc): Ditto.
2545         (Arm_relocate_functions::movw_rel): Ditto.
2546         (Arm_relocate_functions::movt_rel): Ditto.
2547         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
2548         (Arm_relocate_functions:thm_movw_rel): Ditto.
2549         (Arm_relocate_functions:thm_movt_rel): Ditto.
2550         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
2551         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
2552         New method definitions.
2553         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
2554         (Arm_relocation_functions::arm_grp_ldr): Ditto.
2555         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
2556         (Arm_relocation_functions::arm_grp_ldc): Ditto.
2557         (Target_arm::Relocate::relocate): Check for non-static or
2558         unimplemented relocation code and exit early.  Change calls to
2559         Target_arm::reloc_uses_thumb_bit and
2560         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
2561         instead.  Refactor code to handle similar relocations to increase
2562         code sharing.  Remove check for unsupported relocation code in switch
2563         statement.
2564         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
2565         relocation property table to find out size.  Change error message to
2566         print out the name of a relocation code instead of the numeric value.
2567         (Target_arm::scan_reloc_for_stub): Use relocation property table
2568         instead of calling Target_arm::reloc_uses_thumb_bit().
2570 2010-02-02  Doug Kwan  <dougkwan@google.com>
2572         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
2573         types of relaxed input section.
2575 2010-02-02  Doug Kwan  <dougkwan@google.com>
2577         * Makefile.am (HFILES): Add arm-reloc-property.h.
2578         (DEFFILES): New.
2579         (TARGETSOURCES): Add arm-reloc-property.cc
2580         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
2581         (libgold_a_SOURCES): $(DEFFILES)
2582         * Makefile.in: Regenerate.
2583         * arm-reloc-property.cc: New file.
2584         * arm-reloc-property.h: New file.
2585         * arm-reloc.def: New file.
2586         * arm.cc: Update comments.
2587         (arm-reloc-property.h): New included header.
2588         (arm_reloc_property_table): New global variable.
2589         (Target_arm::do_select_as_default_target): New method definition.
2590         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
2591         arm-reloc-property to targ_extra_obj.
2592         * parameters.cc (set_parameters_target): Call
2593         Target::select_as_default_target().
2594         * target.h (Target::select_as_default_target): New method definition.
2595         (Target::do_select_as_default_target): Same.
2597 2010-02-01  Doug Kwan  <dougkwan@google.com>
2599         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
2600         first_output_text_section_.
2601         (Arm_exidx_fixup::first_output_text_section): New method definition.
2602         (Arm_exidx_fixup::first_output_text_section_): New data member.
2603         (Arm_exidx_fixup::process_exidx_section): Record the first text
2604         output section seen.
2605         (Arm_output_section::fix_exidx_coverage): Set correct linked section
2606         and entsize in output section header.
2608 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2610         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
2611         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
2612         (Arm_relocate_functions::thm_alu11): New Method.
2613         (Arm_relocate_functions::thm_pc8): New Method.
2614         (Arm_relocate_functions::thm_pc12): New Method.
2615         (Target_arm::Scan::local): Handle the relocations.
2616         (Target_arm::Scan::global): Likewise.
2617         (Target_arm::Relocate::relocate): Likewise.
2618         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2620 2010-01-29  Doug Kwan  <dougkwan@google.com>
2622         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
2623         of relocation types as ld.
2625 2010-01-29  Doug Kwan  <dougkwan@google.com>
2627         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
2628         to public.
2629         (Arm_relocate_functions::thumb_branch_common): Ditto.
2630         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
2631         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
2632         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
2633         Arm_relocate_functions::jump24): Remove.
2634         (Target_arm::Relocate::relocate): Adjust code to call
2635         Arm_relocation_functions::arm_branch_common and
2636         Arm_relocation_functions::thumb_branch_common instead of their removed
2637         wrappers.  Merge switch-cases together to reduce source code size.
2639 2010-01-29  Doug Kwan  <dougkwan@google.com>
2641         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
2642         output_local_symbol_count_needs_update_.
2643         (Arm_relobj::output_local_symbol_count_needs_update,
2644          Arm_relobj::set_output_local_symbol_count_needs_update,
2645          Arm_relobj::update_output_local_symbol_count): New methods.
2646         (Arm_relobj::output_local_symbol_count_needs_update_): New data
2647         member.
2648         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
2649         of pointed function as in a R_ARM_PREL31 relocation.
2650         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
2651         for output local symbol count updating.
2652         (Target_arm::do_relax): Update output local symbol counts in objects
2653         if necessary.
2654         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
2656 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2658         * arm.cc: Added support for the ARM relocations:
2659         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
2660         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
2661         (Arm_relocate_functions::movw_rel_nc): Renamed (was
2662         movw_prel_nc).
2663         (Arm_relocate_functions::movw_rel): New method.
2664         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
2665         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
2666         thm_movw_prel_nc).
2667         (Arm_relocate_functions::thm_movw_rel): New method.
2668         (Arm_relocate_functions::thm_movt_rel): Renamed (was
2669         thm_movt_prel).
2670         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
2671         relocations.
2672         (Target_arm::Scan::global): Likewise.
2673         (Target_arm::Relocate::relocate): Likewise.
2674         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2675         Likewise.
2677 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2679         * arm.cc: Added support for ARM group relocations.
2680         (Target_arm::reloc_needs_sym_origin): New method.
2681         (Arm_relocate_functions::calc_grp_kn): New method.
2682         (Arm_relocate_functions::calc_grp_residual): New method.
2683         (Arm_relocate_functions::calc_grp_gn): New method.
2684         (Arm_relocate_functions::arm_grp_alu): New Method.
2685         (Arm_relocate_functions::arm_grp_ldr): New Method.
2686         (Arm_relocate_functions::arm_grp_ldrs): New Method.
2687         (Arm_relocate_functions::arm_grp_ldc): New Method.
2688         (Target_arm::Scan::local): Handle the ARM group relocations.
2689         (Target_arm::Scan::global): Likewise.
2690         (Target_arm::Relocate::relocate): Likewise.
2691         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2692         Likewise.
2694 2010-01-26  Doug Kwan  <dougkwan@google.com>
2696         * arm.cc (set): Include.
2697         (class Arm_exidx_fixup): Change type of last_input_section_ to const
2698         pointer type.
2699         (Arm_output_section::Text_section_list): New type.
2700         (Arm_output_section::append_text_sections_to_list): New method.
2701         (Arm_output_section::fix_exidx_coverage): Ditto.
2702         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
2703         (Arm_relobj::convert_input_section_to_relaxed_section): Use
2704         Relobj::set_section_offset() instead of
2705         Sized_relobj::invalidate_section_offset().
2706         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
2707         parameter for section headers. Ignore relocation sections for
2708         unallocated sections and EXIDX sections.
2709         (Target_arm::fix_exidx_coverage): New method.
2710         (Target_arm::output_section_address_less_than): New type.
2711         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
2712         linked text section instead of the EXIDX section.
2713         (Arm_output_section::create_stub_group): Add an assertion to check
2714         that this is not an EXIDX output section.
2715         (Arm_output_section::append_text_sections_to_list): New method.
2716         (Arm_output_section::fix_exidx_coverage): Ditto.
2717         (Arm_relobj::scan_sections_for_stubs): Adjust call to
2718         Arm_relobj::section_needs_reloc_stub_scanning.
2719         (Target_arm::do_relax): Fix EXIDX output section coverage in the
2720         first pass.
2721         (Target_arm::fix_exidx_coverage): New method.
2722         * object.h (Relobj::set_output_section): New method.
2723         (Sized_relobj::invalidate_section_offset): Remove method.
2724         (Sized_relobj::do_invalidate_section_offset): Remove method.
2725         (Sized_relobj::do_set_section_offset): Handle offset value -1.
2727 2010-01-25  Doug Kwan  <dougkwan@google.com>
2729         * arm.cc (Arm_exidx_merged_section::do_output_offset):
2730         Fix warning due to signed and unsigned comparison on a 32-bit host.
2732 2010-01-22  Doug Kwan  <dougkwan@google.com>
2734         * arm.cc (Target_arm::do_relax): Record an output section for section
2735         offset adjustment it contains any stub table that has changed.
2736         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
2737         offsets in an output section if necessary.
2738         * output.cc (Output_section::Output_section): Initialize
2739         section_offsets_need_adjustments_.
2740         (Output_section::add_input_section_for_script): Renamed to
2741         Output_section::add_simple_input_section.
2742         (Output_section::save_states): Add a comment.
2743         (Output_section::discard_states): New method defintion.
2744         (Output_section::adjust_section_offsets): Same.
2745         * output.h (Output_section::add_input_section_for_script): Renamed to
2746         Output_section::add_simple_input_section.
2747         (Output_section::discard_states): New method declaration.
2748         (Output_section::adjust_section_offsets): Same.
2749         (Output_section::section_offsets_need_adjustment,
2750         Output_section::set_section_offsets_need_adjustment): New method
2751         definitions.
2752         (Output_section::section_offsets_need_adjustment_): New data member.
2753         * script-sections.cc
2754         (Output_section_element_input::set_section_address): Adjust code for
2755         renaming of Output_section::add_input_section_for_script.
2756         (Orphan_output_section::set_section_address): Same.
2758 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2760         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
2761         Fix_v4bx enum values .
2762         * gold/options.h (General_options): New option definitions.
2763         (General_options::fix_v4bx): New method.
2764         (General_options::Fix_v4bx): New enum.
2765         * gold/options.cc (General_options::parse_fix_v4bx): New method.
2766         (General_options::parse_fix_v4bx_interworking): New method.
2768 2010-01-22  Doug Kwan  <dougkwan@google.com>
2770         * arm.cc (Arm_exidx_fixup): New class.
2772 2010-01-21  Doug Kwan  <dougkwan@google.com>
2774         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
2775         classes.
2776         (Arm_exidx_section_offset_map): New type.
2778 2010-01-21  Doug Kwan  <dougkwan@google.com>
2780         * arm.cc (Arm_exidx_input_section): New class.
2781         (Arm_relobj::exidx_input_section_by_link,
2782         Arm_relobj::exidx_input_section_by_shndx,
2783         Arm_relobj::make_exidx_input_section): New methods.
2784         (read_arm_attributes_section): Remove.
2785         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
2786         information about them.
2787         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
2788         to here.
2790 2010-01-20  Doug Kwan  <dougkwan@google.com>
2792         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
2793         Input_section_specifier to Section_id.
2794         (Target_arm::new_arm_input_section: Adjust code for change of key
2795         type.
2796         (Target_arm::find_arm_input_section): Ditto.
2797         * gc.h (object.h): Include for Section_id nand Section_id_hash.
2798         (Section_id): Remove.
2799         (Garbage_collection::Section_id_hash): Remove.
2800         * icf.h (object.h): Include for Section_id nand Section_id_hash.
2801         (Section_id): Remove.
2802         (Icf::Section_id_hash): Remove.
2803         * object.h (Section_id, Const_section_id, Section_id_hash,
2804         Const_section_id_hash): New type definitions.
2805         * output.cc (Output_section::add_relaxed_input_section): Change to
2806         use Const_section_id instead of Input_section_specifier as key type.
2807         (Output_section::add_merge_input_section): Ditto.
2808         (Output_section::build_relaxation_map): Change to use Section_id
2809         instead of Input_section_specifier as key type.
2810         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2811         Ditto.
2812         (Output_section::convert_input_sections_to_relaxed_sections): Change
2813         to use Const_section_id instead of Input_section_specifier as key type.
2814         (Output_section::find_merge_section): Ditto.
2815         (Output_section::find_relaxed_input_section): Ditto.
2816         * output.h (Input_section_specifier): Remove class.
2817         (Output_section::Output_section_data_by_input_section_map): Change
2818         key type to Const_section_id.
2819         (Output_section::Output_relaxed_input_section_by_input_section_map):
2820         Ditto.
2821         (Output_section::Relaxation_map): Change key type to Section_id.
2823 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2825         * gold/arm.cc: Added support for R_ARM_V4BX relocation
2826         (class Arm_v4bx_stub): New class.
2827         (DEF_STUBS): Updated definition to support v4_veneer_bx.
2828         (Stub_factory::make_arm_v4bx_stub): New method.
2829         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
2830         (Stub_table::empty): Handle v4bx stubs.
2831         (Stub_table::add_arm_v4bx_stub): New method.
2832         (Stub_table::find_arm_v4bx_stub): New method.
2833         (Arm_relocate_functions::v4bx): New method.
2834         (Target_arm::fix_v4bx): New method.
2835         (Target_arm::Target_arm): Handle R_ARM_V4BX.
2836         (Stub_table::relocate_stubs): Likewise.
2837         (Stub_table::do_write): Likewise.
2838         (Stub_table::update_data_size_and_addralign): Likewise.
2839         (Stub_table::finalize_stubs):  Likewise.
2840         (Target_arm::Scan::local): Likewise.
2841         (Target_arm::Scan::global): Likewise.
2842         (Target_arm::do_finalize_sections): Likewise.
2843         (Target_arm::Relocate::relocate): Likewise.
2844         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2845         Likewise.
2846         (Target_arm::scan_reloc_for_stub): Likewise.
2847         (Target_arm::scan_reloc_section_for_stubs): Likewise.
2849 2010-01-19  Ian Lance Taylor  <iant@google.com>
2851         * output.cc (Output_section_headers::do_sized_write): Write large
2852         segment count to sh_info field.
2853         (Output_file_header::do_sized_write): For large segment count,
2854         write PN_XNUM to e_phnum field.
2856 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2858         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
2859         (Arm_relocate_functions::thm_jump8): New function.
2860         (Arm_relocate_functions::thm_jump11): New function.
2861         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
2862         R_ARM_THM_JUMP11.
2863         (Target_arm::Scan::global): Likewise.
2864         (Target_arm::Relocate::relocate): Likewise.
2865         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2866         Likewise.
2868 2010-01-14  Doug Kwan  <dougkwan@google.com>
2870         * arm.cc (map, utility): Include headers.
2871         (Target_arm::apply_cortex_a8_workaround): New method.
2872         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
2873         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
2874         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
2875         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
2876         the --[no-]fix-cortex-a8 command line options.
2877         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
2878         (Target_arm::relocate_stub): Use addend in instruction template.
2879         * options.h (DEFINE_bool): Set the user-set flag.
2880         (General_options): Add --[no-]-fix-cortex options.
2881         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
2882         : Update fast look-up map after conversion.
2884 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
2886         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
2887         in the first pass of do_layout.
2889 2010-01-13  Doug Kwan  <dougkwan@google.com>
2891         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2892         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
2893         apparent compiler problem of not folding static constant integral
2894         data members of elfcpp::Elf_sizes<32>.
2896 2010-01-13  Doug Kwan  <dougkwan@google.com>
2898         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2899         Arm_relobj::section_needs_cortex_a8_stub_scanning,
2900         Arm_relobj::scan_section_for_cortex_a8_erratum,
2901         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
2902         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
2903         sections to scan for relocation stubs into a new method
2904         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
2905         relocation and Cortex-A8 stub scanning.
2906         (Target_arm::do_relax): Force stubs to be after stubbed sections
2907         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
2908         the beginning of a new relaxation pass.  Update a comment.
2909         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
2911 2010-01-12  Ian Lance Taylor  <iant@google.com>
2913         * target-reloc.h (visibility_error): New inline function.
2914         (relocate_section): Call visibility_error.
2915         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
2916         (MOSTLYCLEANFILES): Likewise.
2917         (protected_4_pic.o, protected_3.err): New targets.
2918         * testsuite/protected_4.cc: New file.
2920 2010-01-12  Doug Kwan  <dougkwan@google.com>
2922         * arm.cc (Cortex_a8_reloc): New class.
2923         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
2924         and cortex_a8_relocs_info_.
2925         (Target_arm::fix_cortex_a8): New method definition.
2926         (Target_arm::Cortex_a8_relocs_info): New type.
2927         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
2928         New data member declarations.
2929         (Target_arm::scan_reloc_for_stub): Record information about
2930         relocations for THUMB branches that might be exempted from the
2931         Cortex-A8 workaround.
2932         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
2933         at the beginning of a relaxation pass.
2935 2010-01-12  Doug Kwan  <dougkwan@google.com>
2937         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
2938         (Arm_relobj::Mapping_symbol_position,
2939          Arm_reloj::Mapping_symbol_position_less,
2940          Arm_relobj::Mapping_symbols_info): New types.
2941         (Target_arm::is_mapping_symbol_name): New method definition.
2942         (Arm_relobj::do_count_local_symbols): Save information about mapping
2943         symbols.
2945 2010-01-11  Doug Kwan  <dougkwan@google.com>
2947         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
2948         Arm_relocate_functions::thumb32_branch_upper,
2949         Arm_relocate_functions::thumb32_branch_lower,
2950         Arm_relocate_functions::thumb32_cond_branch_offset,
2951         Arm_relocate_functions::thumb32_cond_branch_upper,
2952         Arm_relocate_functions::thumb32_cond_branch_lower,
2953         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
2954         branch offset encoding.
2955         (Arm_relocate_functions::thumb_branch_common): Use new branch
2956         offset encoding methods to avoid code duplication.
2957         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
2958         (Stub_addend_reader::operator()): Use new branch encoding method
2959         to avoid code duplication.
2961 2010-01-11  Doug Kwan  <dougkwan@google.com>
2963         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
2964         (Target_arm::do_finalize_sections): Define special EXIDX section
2965         symbols only if referenced.
2966         * gc.h (Garbage_collection::add_reference): New method.
2967         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
2968         code duplication.
2970 2010-01-11  Ian Lance Taylor  <iant@google.com>
2972         * script.cc (Version_script_info::build_expression_list_lookup):
2973         Change complaing about duplicate wildcard match from error to
2974         warning.
2976         * script.cc (class Lazy_demangler): Recreate--revert part of patch
2977         of 2009-12-30.
2978         (Version_script_info::Version_script_info): Initialize globs_,
2979         default_version_, default_is_global_, and exact_.  Don't
2980         initialize globals_ or locals_.
2981         (Version_script_info::build_lookup_tables): Build local symbols
2982         first.
2983         (Version_script_info::unquote): New function.
2984         (Version_script_info::add_exact_match): New function.
2985         (Version_script_info::build_expression_list_lookup): Remove lookup
2986         parameter.  Add is_global parameter.  Change all callers.  Handle
2987         wildcard pattern specially.  Unquote pattern.  Call
2988         add_exact_match.
2989         (Version_script_info::get_name_to_match): New function.
2990         (Version_script_info::get_symbol_version): New function.
2991         (Version_script_info::get_symbol_version_helper): Remove.
2992         (Version_script_info::check_unmatched_names): Call unquote.
2993         * script.h (class Version_script_info): Change get_symbol_version
2994         to be non-inline and add is_global parameter; change all callers.
2995         Rewrite symbol_is_local.  Update declarations.  Define struct
2996         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
2997         Remove globals_ and locals_ members.  Add exact_, globs_,
2998         default_version_, is_global_.
2999         (Version_script_info::Glob): Remove pattern, add expression and
3000         is_global.  Update constructor.  Change all callers.
3001         * dynobj.cc (Versions::finalize): Mark the version symbol as the
3002         default version.
3003         (Versions::symbol_section_contents): If a symbol is undefined, or
3004         defined in a dynamic object, set the version index to
3005         VER_NDX_LOCAL.
3006         * symtab.cc (Symbol_table::add_from_relobj): Don't call
3007         symbol_is_local.
3008         (Symbol_table::add_from_pluginobj): Likewise.
3009         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
3011 2010-01-11  Doug Kwan  <dougkwan@google.com>
3013         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
3014         (incremental_dump_LDADD): Add linking option for libintl.
3015         * Makefile.in: Regenerate.
3017 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
3019         PR gold/11144
3020         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
3021         instead of -Ds.
3022         * testsuite/Makefile.in: Regenerated.
3024 2010-01-10  Doug Kwan  <dougkwan@google.com>
3026         * options.h (DEFINE_var): Use parentheses around argument varname__
3027         in macro body to avoid any unintended subsequent substitutions.
3029 2010-01-10  Ian Lance Taylor  <iant@google.com>
3031         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
3032         candidates before doing symbol resolution.
3034         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
3035         ODR candidates if only one is weak.
3037 2010-01-08  Ian Lance Taylor  <iant@google.com>
3039         * script.cc (Version_script_info::build_expression_list_lookup):
3040         Don't warn about ambiguous version, just record the ambiguity.
3041         (Version_script_info::get_symbol_version_helper): Give error if
3042         version is ambiguous.
3044 2010-01-08  Doug Kwan  <dougkwan@google.com>
3046         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
3047           prev_data_size_ and prev_addralign_.  Remove initializer for
3048           deleted data member has_been_changed_.
3049           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
3050           to determine if the table is empty.
3051           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
3052           Remove.
3053           (Stub_table::add_reloc_stub): Define method in class definition
3054           instead of just declaring it there.
3055           (Stub_table::add_cortex_a8_stub): New method definition.
3056           (Stub_table::update_data_size_and_addralign): Ditto.
3057           (Stub_table::finalize_stubs): Ditto.
3058           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
3059           (Stub_table::do_addralign_): Return address alignment in the
3060           (Stub_table::do_reset_address_and_file_offset): Define method in
3061           class definition instead of declaring it there.  Set current data
3062           size to be the data size of the previous pass.
3063           (Stub_table::set_final_data_size): Use current data size as the
3064           final data size.
3065           (Stub_table::relocate_stub): Change parameter type of stub from
3066           Reloc_stub pointer to Stub pointer.
3067           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
3068           (Stub_table::Cortex_a8_stub_list): New typedef.
3069           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
3070            Stub_table::prev_addralign_): New data member.
3071           (Arm_relobj::Arm_relobj): Initialize data member
3072           section_has_cortex_a8_workaround_.
3073           (Arm_relobj::section_has_cortex_a8_workaround,
3074            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
3075            definitions.
3076           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
3077           declarations.
3078           (Target_arm::relocate_stub): Change parameter type of stub from
3079           Reloc_stub pointer to Stub pointer.
3080           (Insn_template::size, Insn_template::alignment): Handle
3081           THUMB16_SPECIAL_TYPE.
3082           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
3083            Stub_table::update_data_size_and_addralign,
3084            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
3085           definitions.
3086           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
3087           (Stub_table::do_write): Ditto.
3088           (Target_arm::do_relax): Adjust code for changes in Stub_table.
3090 2010-01-08  Ian Lance Taylor  <iant@google.com>
3092         PR 11108
3093         * symtab.h (class Symbol): Remove fields is_target_special_ and
3094         has_plt_offset_.  Add field is_defined_in_discarded_section_.
3095         (Symbol::is_defined_in_discarded_section): New function.
3096         (Symbol::set_is_defined_in_discarded_section): New function.
3097         (Symbol::has_plt_offset): Rewrite.
3098         (Symbol::set_plt_offset): Verify that new offset is not -1U.
3099         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
3100         Don't initialize is_target_special_ or has_plt_offset_.
3101         Initialize is_defined_in_discarded_section_.
3102         (Symbol_table::add_from_relobj): If appropriate, set
3103         is_defined_in_discarded_section.
3104         * resolve.cc (Symbol::override_base_with_special): Don't test
3105         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
3106         * target-reloc.h (relocate_section): Do special handling for
3107         symbols defined in discarded sections for global symbols as well
3108         as local symbols.
3110 2010-01-08  Ian Lance Taylor  <iant@google.com>
3112         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
3113         the SHT_SYMTAB case.
3115 2010-01-08  Ian Lance Taylor  <iant@google.com>
3117         * object.cc (Sized_relobj::do_layout): Don't get confused if
3118         layout_eh_frame returns NULL.
3120 2010-01-08  Ian Lance Taylor  <iant@google.com>
3122         PR 11084
3123         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
3124         dynamic symbol table, use the normal symbol table.
3125         (Sized_dynobj::do_read_symbols): Remove assertion about type of
3126         symbol table.
3128 2010-01-08  Ian Lance Taylor  <iant@google.com>
3130         PR 11072
3131         * layout.cc (Layout::include_section): Remove .gnu_debuglink
3132         sections.
3134 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
3136         * version.cc (print_version): Change to "Copyright 2010".
3138 2010-01-08  Ian Lance Taylor  <iant@google.com>
3140         PR 10287
3141         PR 11063
3142         * i386.cc (class Target_i386): Change return type of plt_section
3143         to be non-const.
3144         (class Output_data_plt_i386): Add tls_desc_rel_ field.
3145         (Output_data_plt_i386::Output_data_plt_i386): Initialize
3146         tls_desc_rel_ field.
3147         (Output_data_plt_i386::rel_tls_desc): New function.
3148         (Target_i386::rel_tls_desc_section): New function.
3149         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
3150         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
3151         R_386_TLS_DESC reloc in rel_tls_desc_section.
3152         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
3153         Define struct Tlsdesc_info.
3154         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
3155         (Target_x86_64::do_reloc_symbol_index): New function.
3156         (Target_x86_64::add_tlsdesc_info): New function.
3157         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
3158         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
3159         tlsdesc_rel_ field.
3160         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
3161         all callers.
3162         (Output_data_plt_x86_64::rela_tlsdesc): New function.
3163         (Target_x86_64::rela_tlsdesc_section): New function.
3164         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
3165         handling.
3166         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
3167         (Target_x86_64::do_reloc_addend): New function.
3168         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
3169         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
3170         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
3171         (Output_reloc::type): New function.
3172         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
3173         (Output_reloc::is_target_specific): New function.
3174         (Output_reloc::target_arg): New function.
3175         (class Output_reloc) [SHT_RELA]: Add four new constructors for
3176         absolute relocs and target specific relocs.
3177         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
3178         add_target_specific.
3179         (class Output_data_reloc) [SHT_RELA]: Likewise.
3180         * output.cc (Output_reloc::Output_reloc): Add four new versions
3181         for absolute relocs and target specific relocs.
3182         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
3183         (Output_reloc::get_symbol_index): Likewise.
3184         (Output_reloc::local_section_offset): Check that local_sym_index_
3185         is not TARGET_CODE or 0.
3186         (Output_reloc::symbol_value): Likewise.
3187         (Output_reloc::write) [SHT_RELA]: Call target for target specific
3188         reloc.
3189         * target.h (class Target): Add reloc_symbol_index and reloc_addend
3190         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
3191         functions.
3192         * layout.cc (add_target_dynamic_tags): Use output section for
3193         DT_PLTRELSZ and DT_JMPREL.
3195 2010-01-07  Ian Lance Taylor  <iant@google.com>
3197         PR 11061
3198         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
3199         function.
3200         (class Output_data_reloc_generic): Define.
3201         (class Output_data_reloc_base): Change base class to
3202         Output_data_reloc_generic.  Change add() method to call
3203         bump_relative_reloc_count for a relative reloc.  Remove
3204         sort_relocs_ field.
3205         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
3206         to sort_relocs().
3207         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
3208         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
3209         appropriate.
3210         * layout.h (class Layout): Update declaration.
3212 2010-01-07  Ian Lance Taylor  <iant@google.com>
3214         * output.h (class Output_data): Add const version of
3215         output_section and do_output_section.
3216         (class Output_section_data): Add const version of
3217         do_output_section.
3218         (class Output_section): Likewise.
3219         * layout.cc (Layout::add_target_dynamic_tags): New function.
3220         * layout.h (class Layout): Update declarations.
3221         * arm.cc (Target_arm::do_finalize_sections): Use
3222         add_target_dynamic_tags.
3223         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3224         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3225         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3226         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3228 2010-01-07  Ian Lance Taylor  <iant@google.com>
3230         PR 11042
3231         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
3232         object as needed.
3234 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
3235             Ian Lance Taylor  <iant@google.com>
3237         PR 11019
3238         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
3239         Xindex::read_symtab_xindex.
3241 2010-01-07  Doug Kwan  <dougkwan@google.com>
3243         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
3244         (Insn_template::thumb16_bcond_insn): New method declaration.
3245         (Insn_template): Fix spelling.
3246         (Stub::thumb16_special): New method declaration.
3247         (Stub::do_write): Define virtual method which was previously pure
3248         virtual.
3249         (Stub::do_thumb16_special): New method declaration.
3250         (Stub::do_fixed_endian_write): New template member.
3251         (Reloc_stub::do_write): Remove.
3252         (Reloc_stub::do_fixed_endian_write): Remove.
3253         (Cortex_a8_stub): New class definition.
3254         (Stub_factory::make_cortex_a8_stub): New method definition.
3255         (Stub_factory::Stub_factory): Add missing static storage class
3256         qualifier for elf32_arm_stub_a8_veneer_blx.
3258 2010-01-07  Ian Lance Taylor  <iant@google.com>
3260         PR 10980
3261         * options.h (class General_options): Add --warn-unresolved-symbols
3262         and --error-unresolved-symbols.
3263         * errors.cc (Errors::undefined_symbol): Implement
3264         --warn-unresolved-symbols.
3266         * options.h (class General_options): Add -z text and -z textoff.
3267         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3269 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
3271         * gc.h (Garbage_collection::Cident_section_map): New typedef.
3272         (Garbage_collection::cident_sections): New function.
3273         (Garbage_collection::add_cident_section): New function.
3274         (Garbage_collection::cident_sections_): New member.
3275         (gc_process_relocs): Add references to sections whose names are C
3276         identifiers.
3277         * gold.h (cident_section_start_prefix): New constant.
3278         (cident_section_stop_prefix): New constant.
3279         (is_cident): New function.
3280         * layout.cc (Layout::define_section_symbols): Replace string constants
3281         with the newly defined constants.
3282         * object.cc (Sized_relobj::do_layout): Track sections whose names are
3283         C identifiers.
3284         * testsuite/Makefile.am: Add gc_orphan_section_test.
3285         * testsuite/Makefile.in: Regenerate.
3286         * testsuite/gc_orphan_section_test.cc: New file.
3287         * testsuite/gc_orphan_section_test.sh: New file.
3289 2010-01-06  Ian Lance Taylor  <iant@google.com>
3291         PR 10980
3292         * options.h (class General_options): Add --warn-shared-textrel.
3293         * layout.cc (Layout::finish_dynamic_section): Implement
3294         --warn-shared-textrel.
3296         PR 10980
3297         * options.h (class General_options): Add --warn-multiple-gp.
3299 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3301         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3302         $(THREADSLIB) and $(LIBDL).
3303         * Makefile.in: Rebuild.
3305 2010-01-06  Ian Lance Taylor  <iant@google.com>
3307         PR 10980
3308         * options.cc (General_options::parse_section_start): New function.
3309         (General_options::section_start): New function.
3310         (General_options::General_options): Initialize all members.
3311         * options.h: Include <map>
3312         (class General_options): Add --section-start.  Add section_starts_
3313         member.
3314         * layout.cc (Layout::attach_allocated_section_to_segment): If
3315         --section-start was used, set the address of the segment.  Remove
3316         local sort_sections.
3317         (Layout::relaxation_loop_body): If the address of the load segment
3318         has been set by --section-start, don't use it.
3319         * output.h (Output_segment::update_flags_for_output_section): New
3320         function.
3321         * output.cc (Output_segment::add_output_section): Call
3322         update_flags_for_output_section.
3324 2010-01-05  Ian Lance Taylor  <iant@google.com>
3326         PR 10980
3327         * options.h (class General_options): Add --undefined-version.
3328         * script.cc (struct Version_expression): Add was_matched_by_symbol
3329         field.
3330         (Version_script_info::matched_symbol): New function.
3331         (Version_script_info::get_symbol_version_helper): Call
3332         matched_symbol.
3333         (Version_script_info::check_unmatched_names): New function.
3334         * script.h (class Version_script_info): Update declarations.
3335         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3337         * options.h (class General_options): Use DEFINE_bool_alias for
3338         allow_multiple_definition.
3339         * resolve.cc (Symbol_table::should_override): Don't test
3340         allow_multiple_definition.
3342         PR 10980
3343         * options.h (class General_options): Add --cref.
3344         * main.cc (main): Print cref table if --cref.  Don't close mapfile
3345         until after printing cref table.
3346         * cref.cc: Include "symtab.h".
3347         (class Cref_inputs): Define Cref_table_compare and Cref_table.
3348         (Cref_table_compare::operator()): New function.
3349         (Cref_inputs::gather_cref): New function.
3350         (filecol): New static const.
3351         (Cref_inputs::print_cref): New function.
3352         (Cref::print_cref): New function.
3353         * cref.h: Include <cstdio>.
3354         (class Cref): Update declarations.
3355         * mapfile.h (Mapfile::file): New function.
3356         * object.h (class Object): Define Symbols.  Declare virtual
3357         do_get_global_symbols.
3358         (Object::get_global_symbols): New function.
3359         * object.cc (Input_objects::add_object): Pass object to cref_ if
3360         --cref.
3361         (Input_objects::archive_start): Likewise.
3362         (Input_objects::archive_stop): Likewise.
3363         (Input_objects::print_cref): New function.
3364         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3365         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3366         --cref.
3367         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3368         function.
3369         * plugin.h (class Sized_pluginobj): Update declarations.
3371 2010-01-05  Ian Lance Taylor  <iant@google.com>
3373         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3374         to is_default_version.  Rename insdef to insdefault.
3375         (Symbol_table::add_from_relobj): Rename def to is_default_version
3376         and local to is_forced_local.
3377         (Symbol_table::add_from_pluginobj): Likewise.
3378         (Symbol_table::add_from_dynobj): Likewise.
3379         (Symbol_table::define_special_symbol): Rename insdef to
3380         insdefault.
3382 2010-01-04  Ian Lance Taylor  <iant@google.com>
3384         PR 10980
3385         * options.h (class General_options): Add
3386         --allow-multiple-definition and -z muldefs.
3387         * resolve.cc (Symbol_table::should_override): Don't warn about a
3388         multiple symbol definition if --allow-multiple-definition or -z
3389         muldefs.
3391         PR 10980
3392         * options.h (class General_options): Add --add-needed and
3393         --copy-dt-needed-entries.  Tweak --as-needed help entry.
3394         * object.cc (Input_objects::check_dynamic_dependencies): Give an
3395         error if --copy-dt-needed-entries aka --add-needed is used and
3396         would cause a change in behaviour.
3398         PR 10980
3399         * options.h (class General_options): Add -G as a short version of
3400         --shared.  Add no-op options -assert, -g, and -i.
3402 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
3404         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3405         check for .text or .gnu.linkonce.t sections.
3406         * icf.cc (Icf::find_identical_sections): Ditto.
3407         Change the detection for mangled function name within the section
3408         name.
3409         * icf.h (is_section_foldable_candidate): New function.
3411 2009-12-30  Ian Lance Taylor  <iant@google.com>
3413         PR 10980
3414         * options.h (class General_options): Permit two dashes with
3415         --retain-symbols-file.
3417 2009-12-30  Ian Lance Taylor  <iant@google.com>
3419         PR 10979
3420         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3421         don't put the file header and segment headers in the text
3422         segment.
3424         PR 10979
3425         * common.cc (Sort_commons::operator()): Stabilize sort when both
3426         entries are NULL.
3427         (Symbol_table::do_allocate_commons_list): When allocating common
3428         symbols, skip a symbol which is no longer common.
3429         * symtab.h (Symbol::is_common): Test whether the symbol comes from
3430         an object before checking its type.
3431         * testsuite/common_test_2.c: New file.
3432         * testsuite/common_test_3.c: New file.
3433         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3434         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3435         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3436         (common_test_2_pic.o, common_test_2.so): New targets.
3437         (common_test_3_pic.o, common_test_3.so): New targets.
3438         * testsuite/Makefile.in: Rebuild.
3440         PR 10979
3441         * script.cc (read_input_script): If we see a new SECTIONS clause,
3442         and we have added an input section, give an error.
3443         * layout.h (class Layout): Add have_added_input_section function.
3444         Add have_added_input_section_ field.
3445         * layout.cc (Layout::Layout): Initialize
3446         have_added_input_section_.
3447         (Layout::layout): Set have_added_input_section_.
3448         (Layout::layout_eh_frame): Likewise.
3450 2009-12-30  Ian Lance Taylor  <iant@google.com>
3452         PR 10931
3453         * options.h (class General_options): Add --sort-common option.
3454         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3455         * common.cc (Sort_common): Add sort_order parameter to
3456         constructor.  Add sort_order_ field.
3457         (Sort_commons::operator): Check sort_order_.
3458         (Symbol_table::allocate_commons): Determine the sort order.
3459         (Symbol_table::do_allocate_commons): Add sort_order parameter.
3460         Change all callers.
3461         (Symbol_table::do_allocate_commons_list): Likewise.
3463 2009-12-30  Ian Lance Taylor  <iant@google.com>
3465         PR 10916
3466         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3467         symbols from this object, don't change the visibility of an
3468         undefined symbol.
3469         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3471 2009-12-30  Ian Lance Taylor  <iant@google.com>
3473         PR 10861
3474         * script.h (class Version_script_info): Define Language enum.
3475         Update declarations.  Define Glob, Exact, and Lookup types.  Add
3476         new fields globals_, locals_, and is_finalized_.
3477         * script.cc: Various formatting fixes.
3478         (class Parser_closure): Change language_stack_ from a vector of
3479         std::string to one of Version_script_info::Language.  Adjust all
3480         uses accordingly.
3481         (class Lazy_demangler): Remove.
3482         (struct Version_expression): Change language from std::string to
3483         Version_script_info::Language.
3484         (Version_script_info::Version_script_info): New function.
3485         (Version_script_info::~Version_script_info): Don't call clear.
3486         (Version_script_info::finalize): New function.
3487         (Version_script_info::build_lookup_tables): New function.
3488         (Version_script_info::build_expression_list_lookup): New
3489         function.
3490         (Version_script_info::get_symbol_version_helper): Rewrite to use
3491         lookup tables.
3492         (Version_script_info::print_expression_list): Adjust to use
3493         Version_script_info::Language.
3494         (script_push_lex_into_version_mode): Check that the version script
3495         has not been finalized.
3496         (version_script_push_lang): Change language string to
3497         Version_script_info::Language.
3498         * options.cc (Command_line::version_script): New function.
3499         * options.h (class General_options): Add finalize_dynamic_list
3500         function.  Change version_script from declaration to definition.
3501         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3502         * testsuite/version_script.map: Remove duplicate def of foo.
3503         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3504         version_script.map.
3505         * testsuite/Makefile.in: Rebuild.
3507 2009-12-30  Ian Lance Taylor  <iant@google.com>
3509         PR 10843
3510         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3511         if the input symbol index is 0, make the output symbol index 0.
3513 2009-12-30  Ian Lance Taylor  <iant@google.com>
3515         PR 10670
3516         * options.h (class General_options): Add -x/--discard-all.
3517         * object.cc (Sized_relobj::do_count_local_symbols): Handle
3518         --discard-all.  If the local symbol needs a dynamic entry, check
3519         that before handling --discard-locals.
3521 2009-12-30  Ian Lance Taylor  <iant@google.com>
3523         PR 10450
3524         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
3525         flags to PF_R.
3526         (Output_segment::add_output_section): Don't change the flags if
3527         the type is PT_TLS.
3529         PR 10450
3530         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
3531         GNU hash table if they need a dynamic value.  Otherwise, don't add
3532         them if they are defined in a dynamic object or are forced local.
3534 2009-12-29  Ian Lance Taylor  <iant@google.com>
3536         PR 10450
3537         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
3538         .gnu.hash table for a 32-bit target.
3540         PR 10450
3541         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
3542         regular and a dynamic object only needs a dynamic symbol table
3543         entry if it is externally visible.
3545         PR 10450
3546         * i386.cc (class Target_i386): Initialize global_offset_table_ in
3547         constructor.  Add global_offset_table_ field.
3548         (Target_i386::got_section): Set global_offset_table_.
3549         (Target_i386::do_finalize_sections): Set global_offset_table_
3550         size.
3551         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
3552         in constructor.  Add global_offset_table_ field.
3553         (Target_x86_64::got_section): Set global_offset_table_.
3554         (Target_x86_64::do_finalize_sections): Set global_offset_table_
3555         size.
3557         * layout.cc (Layout::Layout): Initialize increase_relro_.
3558         (Layout::get_output_section): Add is_relro, is_last_relro, and
3559         is_first_non_relro parameters.  Change all callers.
3560         (Layout::choose_output_section): Likewise.
3561         (Layout::add_output_section_data): Likewise.
3562         (Layout::make_output_section): Likewise.
3563         (Layout::set_segment_offsets): Clear increase_relro when using a
3564         linker script.
3565         * layout.h (class Layout): Add increase_relro method.  Add
3566         increase_relro_ field.  Update declarations.
3567         * output.cc (Output_section::Output_section): Initialize
3568         is_last_relro_ and is_first_non_relro_.
3569         (Output_segment::add_output_section): Group relro sections is
3570         do_sort is true.  Handle is_last_relro and is_first_non_relro.
3571         (Output_segment::maximum_alignment): Remove relro handling.
3572         (Output_segment::set_section_addresses): Add increase_relro
3573         parameter.  Change all callers.  Add initial alignment to align
3574         relro sections on separate page.  Remove old relro handling.
3575         (Output_segment::set_section_list_addresses): Remove in_relro
3576         parameter.  Change all callers.
3577         (Output_segment::set_offset): Add increase parameter.  Change all
3578         callers.  Remove old relro handling.
3579         * output.h (class Output_section): Add new methods: is_last_relro,
3580         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
3581         Add is_last_relro_ and is_first_non_relro_ fields.
3582         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
3583         Create separate .got.plt section.  Call increase_relro.
3584         * x86_64.cc (Target_x86_64::got_section): Likewise.
3585         * testsuite/relro_script_test.t: Add .got.plt.
3587         PR 10450
3588         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
3589         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
3590         (Layout::finalize): Call set_dynamic_symbol_size.
3591         (Layout::set_dynamic_symbol_size): New function.
3592         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
3593         set_dynamic_symbol_size.
3595         PR 10450
3596         * output.h (class Output_section): Add is_entsize_zero_ field.
3597         * output.cc (Output_section::Output_section): Initialize
3598         is_entsize_zero_.
3599         (Output_section::set_entsize): If two different entsizes are
3600         requested, force it to zero.
3601         (Output_section::add_input_section): Set flags for .debug_str
3602         before updating section flags.  Set entsize.
3603         (Output_section::update_flags_for_input_section): Set SHF_MERGE
3604         and SHF_STRING if all input sections have those flags.
3606 2009-12-29   Rafael Espindola  <espindola@google.com>
3608         * main.cc (main): Fix the sys time reporting.
3609         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
3610         reporting.
3612 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
3614         * options.cc (General_options::parse_version): Allow -v to exit
3615         without an error if there is nothing to link.
3617 2009-12-29  Ian Lance Taylor  <iant@google.com>
3619         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
3620         using a version of gcc before 4.1.
3621         * configure: Rebuild.
3623 2009-12-28  Chris Demetriou  <cgd@google.com>
3625         * attributes.cc (Output_attributes_section_data::do_write): Use
3626         std::vector::front rather than std::vector::data.
3628 2009-12-28  Ian Lance Taylor  <iant@google.com>
3630         * symtab.h (class Symbol_table): Add enum Defined.
3631         * resolve.cc (Symbol_table::should_override): Add defined
3632         parameter.  Change all callers.  Test whether object is NULL
3633         before calling a method on it.
3634         (Symbol_table::report_resolve_problem): Add defined parameter.
3635         Change all callers.
3636         (Symbol_table::should_override_with_special): Likewise.
3637         * symtab.cc (Symbol_table::define_in_output_data): Add defined
3638         parameter.  Change all callers.
3639         (Symbol_table::do_define_in_output_data): Likewise.
3640         (Symbol_table::define_in_output_segment): Likewise.
3641         (Symbol_table::do_define_in_output_segment): Likewise.
3642         (Symbol_table::define_as_constant): Likewise.
3643         (Symbol_table::do_define_as_constant): Likewise.
3644         * script.h (class Symbol_assignment): Add is_defsym parameter to
3645         constructor; change all callers.
3646         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
3647         parameter.  Change all callers.  Add is_defsym_ field.
3648         (class Parser_closure): Add parsing_defsym parameter to
3649         constructor; change all callers.  Add parsing_defsym accessor
3650         function.  Add parsing_defsym_ field.
3652 2009-12-28  Ian Lance Taylor  <iant@google.com>
3654         * gold.cc (queue_middle_tasks): Fix formatting.
3655         * object.cc (Relobj::is_section_name_included): Likewise.
3657 2009-12-23  Ian Lance Taylor  <iant@google.com>
3659         * i386.cc (Target_i386::do_calls_non_split): Recognize
3660         -fsplit-stack prologue for a function with a static chain.
3661         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
3662         -fsplit-stack prologue when using %r11.
3664 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
3666         * options.cc (General_options::parse_version): Make -v continue and do
3667         the link like GNU ld does.
3669 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
3671         * Makefile.am (CCFILES): Add timer.cc.
3672         (HFILES): Add timer.h.
3673         * configure.ac: Check for sysconf and times.
3674         * main.cc: include timer.h.
3675         (main): Use Timer instead of get_run_time.
3676         * timer.cc: New.
3677         * timer.h: New.
3678         * workqueue.cc: include timer.h.
3679         (Workqueue::find_and_run_task):
3680         Report user, sys and wall time.
3681         * Makefile.in: Regenerate.
3682         * config.in: Regenerate.
3683         * configure: Regenerate.
3685 2009-12-16  Doug Kwan  <dougkwan@google.com>
3687         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
3688         sections.
3689         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
3690         relaxed input sections.
3691         * output.cc (Output_section::find_relaxed_input_section): Change
3692         return type to Output_relaxed_input_section pointer.  Adjust code
3693         for new type of relaxed_input_section_map_.
3694         * output.h (Output_section::find_relaxed_input_section): Change
3695         return type to Output_relaxed_input_section pointer.
3696         (Output_section::Output_relaxed_input_section_by_input_section_map):
3697         New type.
3698         (Output_section::relaxed_input_section_map_): Change type to
3699         Output_section::Output_relaxed_input_section_by_input_section_map.
3700         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
3701         input section.
3703 2009-12-15  Ian Lance Taylor  <iant@google.com>
3705         * layout.cc (Layout::create_shstrtab): Only write out after input
3706         sections if we are compressing debug sections.
3708 2009-12-15  Ian Lance Taylor  <iant@google.com>
3710         * archive.cc (Archive::add_symbols): Only look up a symbol without
3711         a version if there is, in fact, a version.
3713 2009-12-14  Ian Lance Taylor  <iant@google.com>
3715         Revert -Wshadow changes, all changes from:
3716         2009-12-11  Doug Kwan  <dougkwan@google.com>
3717         2009-12-11  Nick Clifton  <nickc@redhat.com>
3718         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
3720 2009-12-11  Doug Kwan  <dougkwan@google.com>
3722         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
3723         due to -Wshadow.
3724         * attributes.cc (Object_attribute::size): Ditto.
3725         (Attributes_section_data::size): Ditto.
3726         (Attributes_section_data::Attributes_section_data): Ditto.
3727         (Output_attributes_section_data::do_write): Ditto.
3728         * attributes.h (Object_attribute::set_type): Ditto.
3729         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
3731 2009-12-11  Nick Clifton  <nickc@redhat.com>
3733         * archive.cc: Fix shadowed variable warnings.
3734         * arm.cc: Likewise.
3735         * compressed_output.cc: Likewise.
3736         * compressed_output.h: Likewise.
3737         * configure: Likewise.
3738         * dwarf_reader.cc: Likewise.
3739         * dynobj.cc: Likewise.
3740         * dynobj.h: Likewise.
3741         * ehframe.cc: Likewise.
3742         * ehframe.h: Likewise.
3743         * errors.cc: Likewise.
3744         * expression.cc: Likewise.
3745         * fileread.cc: Likewise.
3746         * fileread.h: Likewise.
3747         * freebsd.h: Likewise.
3748         * i386.cc: Likewise.
3749         * icf.cc: Likewise.
3750         * incremental.h: Likewise.
3751         * layout.cc: Likewise.
3752         * layout.h: Likewise.
3753         * mapfile.cc: Likewise.
3754         * merge.cc: Likewise.
3755         * merge.h: Likewise.
3756         * object.cc: Likewise.
3757         * object.h: Likewise.
3758         * options.h: Likewise.
3759         * output.cc: Likewise.
3760         * output.h: Likewise.
3761         * parameters.cc: Likewise.
3762         * plugin.cc: Likewise.
3763         * powerpc.cc: Likewise.
3764         * reduced_debug_output.cc: Likewise.
3765         * reduced_debug_output.h: Likewise.
3766         * reloc.cc: Likewise.
3767         * reloc.h: Likewise.
3768         * resolve.cc: Likewise.
3769         * script-sections.cc: Likewise.
3770         * script.cc: Likewise.
3771         * script.h: Likewise.
3772         * sparc.cc: Likewise.
3773         * symtab.cc: Likewise.
3774         * symtab.h: Likewise.
3775         * target-select.cc: Likewise.
3776         * target-select.h: Likewise.
3777         * token.h: Likewise.
3778         * workqueue.cc: Likewise.
3779         * workqueue.h: Likewise.
3780         * x86_64.cc: Likewise.
3782 2009-12-10  Doug Kwan  <dougkwan@google.com>
3784         * arm.cc (attributes.h): New include.
3785         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
3786         (Arm_relobj::~Arm_relobj): Delete object pointed by
3787         attributes_section_data_.
3788         (Arm_relobj::attributes_section_data): New method definition.
3789         (Arm_relobj::attributes_section_data_): New data member declaration.
3790         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
3791         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
3792         attributes_section_data_.
3793         (Arm_dynobj::attributes_section_data): New method definition.
3794         (Arm_dynobj::attributes_section_data_): New data member declaration.
3795         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
3796         initialization value of may_use_blx_ to false.
3797         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
3798         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
3799         object attributes to compute results instead of hard-coding.
3800         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
3801         Target_arm::get_secondary_compatible_arch,
3802         Target_arm::set_secondary_compatible_arch
3803         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3804         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
3805         New method declarations.
3806         (Target_arm::get_aeabi_object_attribute): New method definition.
3807         (Target_arm::attributes_section_data_): New data member declaration.
3808         (read_arm_attributes_section): New template definition.
3809         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
3810         (Arm_dynobj::do_read_symbols): Ditto.
3811         (Target_arm::do_finalize_sections): Merge attributes sections from
3812         input.  Check for BLX use after attributes section merging.
3813         Fix __exidx_start and __exidx_end visibility.  Create an
3814         .ARM.attributes section if necessary.
3815         (Target_arm::get_secondary_compatible_arch,
3816         Target_arm::set_secondary_compatible_arch,
3817         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3818         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
3819         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
3820         New method definitions.
3822 2009-12-09  Ian Lance Taylor  <iant@google.com>
3824         * plugin.cc (Plugin::load): Don't cast from void* to a function
3825         pointer.
3827 2009-12-09  Ian Lance Taylor  <iant@google.com>
3829         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
3830         information fields.
3832 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
3834         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
3835         Replace two_file_shared_1.so with two_file_shared_2.so.
3836         * testsuite/Makefile.in: Regenerated.
3838 2009-12-08  Doug Kwan  <dougkwan@google.com>
3840         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
3841         (HFILES): Add attributes.h and int_encoding.h.
3842         * Makefile.in: Regenerate.
3843         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
3844         function definitions to int_encoding.cc
3845         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
3846         prototypes to int_encoding.h
3847         * reduced_debug_output.cc (int_encoding.h): New include.
3848         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
3849         function definitions to int_encoding.cc
3850         (insert_into_vector, read_from_pointer): Move template definitions to
3851         int_encoding.h
3852         * attributes.cc: New file.
3853         * attributes.h: New file.
3854         * int_encoding.cc: New file.
3855         * int_encoding.h: New file.
3857 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
3859         PR gold/11055
3860         * incremental-dump.cc (dump_incremental_inputs): New.
3861         (main): Use dump_incremental_inputs.
3863 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
3865         PR gold/10893
3866         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
3867         checking elfcpp::STT_FUNC.
3868         (Target_i386::Relocate::relocate): Likewise.
3869         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3871         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
3872         symbols from shared libraries into normal FUNC symbols.
3874         * symtab.h (Symbol): Add is_func and use it.
3876 2009-12-05  Doug Kwan  <dougkwan@google.com>
3878         * arm.cc (Target_arm::arm_info): Initialize new fields
3879         attributes_section and attributes_vendor.
3880         * i386.cc (Target_i386::i386_info): Same.
3881         * object.cc (Sized_relobj::do_layout): Skip attribute section.
3882         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
3883         fields attributes_section and attributes_vendor.
3884         * sparc.cc (Target_sparc::sparc_info): Same.
3885         * target.h (Target::attributes_section, Target::attributes_vendor,
3886         Target::is_attributes_section, Target::attribute_arg_type,
3887         Target::attributes_order): New method definitions.
3888         (Target::Target_info::attributes_section,
3889         Target::Target_info::attributes_vendor): New fields.
3890         (Target::do_attribute_arg_type, Target::do_attributes_order): New
3891         virtual method definitions.
3892         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
3893         attributes_section and attributes_vendor.
3894         * testsuite/testfile.cc (Target_test::test_target_info): Same.
3896 2009-12-05  Doug Kwan  <dougkwan@google.com>
3898         * arm.cc: Update comments about interworking and stub generation.
3899         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
3900         considered as non-PIC.
3901         (Arm_relocate_functions::base_abs): Fix formatting.
3902         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
3903         of function to use GOT entry address instead of offset.
3904         (Target_arm::Scan::global): Issue an error if a symbol would need a
3905         PLT does not get one because it is untyped.  Remove code to create
3906         dynamic symbols for relative branches.
3907         (Target_arm::Relocate::relocate: Use 0 instead of false since function
3908         takes unsigned integer instead of boolean.
3910 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
3912         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
3913         (two_file_test_LDADD): Likewise.
3914         (common_test_1_LDADD): Likewise.
3915         (exception_test_LDADD) Likewise.
3916         (weak_test_LDADD): Likewise.
3917         (many_sections_test_LDADD): Likewise.
3918         (initpri1_LDADD): Likewise.
3919         (script_test_1_LDADD): Likewise.
3920         (script_test_2_LDADD): Likewise.
3921         (justsyms_LDADD): Likewise.
3922         (binary_test_LDADD): Likewise.
3923         (large_LDADD): Likewise.
3924         * testsuite/Makefile.in: Regenerated.
3926 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
3928         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
3929         (Symbol_table::override_with_special): Likewise.
3930         (Symbol_table::add_from_object): Likewise.
3932 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
3934         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3935         Don't set the data_offset twice.
3937 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
3939         * testsuite/Makefile.in: Regenerate.
3941 2009-12-03  Doug Kwan  <dougkwan@google.com>
3943         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
3944         (Target_arm::do_finalize_sections): Add parameter for symbol table
3945         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
3946         * i386.cc (Target_i386::do_finalize_sections): Add an additional
3947         parameter for symbol table pointer.
3948         * layout.cc (Layout::finalize): Call Target::finalize_sections with
3949         an additional parameter for a pointer to symbol table.
3950         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
3951         parameter for a symbol table pointer.
3952         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
3953         * target.h (Target::finalize_sections, Target::do_finalize_sections):
3954         Ditto.
3955         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
3956         parameter for a symbol table pointer.
3958 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
3960         * incremental.cc (Incremental_inputs_header)
3961         (Incremental_inputs_header_write, Incremental_inputs_entry)
3962         (Incremental_inputs_entry_write): Move ...
3963         * incremental.h (Incremental_inputs_header)
3964         (Incremental_inputs_header_write, Incremental_inputs_entry)
3965         (Incremental_inputs_entry_write): here.
3967 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3969         * incremental.cc (make_sized_incremental_binary): Set the target.
3970         Error if it is incompatible.
3971         * output.h (Output_file): Add filename method.
3973 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3975         * incremental.cc (Incremental_inputs_entry): Remove unused argument
3976         from the get_* methods.
3978 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3980         * incremental-dump.cc (main): Check that the offeset of a script is 0.
3981         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3982         Write 0 for the data_offset of scripts.
3984 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
3986         * testsuite/Makefile.am: Add the incremental_test.sh test.
3987         * testsuite/incremental_test.sh: New.
3988         * testsuite/incremental_test_1.c: New.
3989         * testsuite/incremental_test_2.c: New.
3991 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
3993        * incremental-dump.cc (main): Fix typos.
3995 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
3997         PR gold/11025
3998         * incremental-dump.cc (main): Use llu to print 64 bit values.
4000 2009-11-26  Per Ã˜yvind Karlsen <peroyvind@mandriva.org>
4001             H.J. Lu  <hongjiu.lu@intel.com>
4003         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
4004         $(LIBDL).
4005         (incremental_dump_LDADD): Likewise.
4006         * Makefile.in: Regenerated.
4008 2009-11-25  Doug Kwan  <dougkwan@google.com>
4010         Revert:
4012         2009-11-25  Doug Kwan  <dougkwan@google.com>
4014                 * arm.cc (Target_arm::Target_arm): Move method definition
4015                 outside of class definition.  Add code to handle
4016                 --target1-rel, --target1-abs and --target2= options.
4017                 (Target_arm::get_reloc_reloc_type): Change method to be
4018                 non-static and const.
4019                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
4020                 New data member declaration.
4021                 (Target_arm::Scan::local, Target_arm::Scan::global,
4022                 Target_arm::Relocate::relocate,
4023                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4024                 Adjust call to Target_arm::get_real_reloc_type.
4025                 (Target_arm::get_real_reloc_type): Use command line options
4026                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4027                 * options.h (--target1-rel, --target1-abs, --target2): New
4028                 ARM-only options.
4030 2009-11-25  Doug Kwan  <dougkwan@google.com>
4032         * arm.cc (Target_arm::Target_arm): Move method definition outside of
4033         class definition.  Add code to handle --target1-rel, --target1-abs
4034         and --target2= options.
4035         (Target_arm::get_reloc_reloc_type): Change method to be non-static
4036         and const.
4037         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
4038         member declaration.
4039         (Target_arm::Scan::local, Target_arm::Scan::global,
4040         Target_arm::Relocate::relocate,
4041         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
4042         call to Target_arm::get_real_reloc_type.
4043         (Target_arm::get_real_reloc_type): Use command line options to
4044         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
4045         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
4046         options.
4048 2009-11-25  Doug Kwan  <dougkwan@google.com>
4050         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
4051         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
4052         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
4053         formatting.
4054         (Arm_relocate_functions::thm_call): Replace body with a call to
4055         Arm_relocate_functions::thumb_branch_common.
4056         (Arm_relocate_functions::thm_jump24,
4057         Arm_relocate_functions::thm_xpc22): New method definitions.
4058         (Arm_relocate_functions::thumb_branch_common): New method definition.
4059         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
4060         operator.
4061         (Target_arm::Relocate::relocate): Adjust call to thm_call.
4062         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
4064 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4066         * Makefile.am: Build incremental-dump
4067         * Makefile.in: Regenerate.
4068         * incremental-dump.cc: New.
4069         * incremental.cc (Incremental_inputs_header_data,
4070         Incremental_inputs_entry_data): Move to incremental.h
4071         * incremental.h: (Incremental_inputs_header_data,
4072         Incremental_inputs_entry_data): Move from incremental.cc
4074 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4076         * incremental.cc (Incremental_inputs_header,
4077         Incremental_inputs_header_write, Incremental_inputs_entry,
4078         Incremental_inputs_entry_write): Add a typedef with the data type.
4080 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
4082         * incremental.cc (Incremental_inputs_header,
4083         Incremental_inputs_header_write, Incremental_inputs_entry,
4084         Incremental_inputs_entry_write): Update comment about which
4085         type has the filed descriptions.
4087 2009-11-15  Doug Kwan  <dougkwan@google.com>
4089         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
4090         (Arm_relocate_functions::arm_branch_common): Change method defintion
4091         in class definition to a method declaration and update list of formal
4092         parameters.
4093         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
4094         Arm_relocation_functions::jump24): Adjust call to
4095         Arm_relocate_functions::arm_branch_common.  Update list of formal
4096         parameters.
4097         (Arm_relocate_functions::xpc25): New method definition.
4098         (Arm_relocate_functions::arm_branch_common): Move method defintion
4099         out from class definition.  Use stubs for mode-switching and extending
4100         branch ranges.
4101         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
4102         specially.  Change code to enable use of stubs in ARM branches.
4104 2009-11-10  Doug Kwan  <dougkwan@google.com>
4106         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
4107         in method declaration.
4108         (Target_arm::relocate_stub): New method declaration.
4109         (Target_arm::default_target): Change to return a pointer instead of
4110         a const reference.
4111         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
4112         Target_arm::default_target.
4113         (Arm_Relobj::do_relocate_sections): Remove options paramater in
4114         method definition.
4115         (Target_arm::relocate_section): Adjust view.
4116         (Target_arm::relocate_stub): New method definition.
4118 2009-11-10  Doug Kwan  <dougkwan@google.com>
4120         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
4121         a format warning.
4122         * incremental.cc (open_incremental_binary): Initialized local
4123         variables to avoid warnings.
4124         * object.cc (make_elf_object): Ditto.
4125         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
4126         a format warning.
4128 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
4130         PR gold/10930
4131         * testsuite/plugin_test.c: Include "config.h".
4133 2009-11-09  Doug Kwan  <dougkwan@google.com>
4135         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
4136         (arm_symbol_value): Remove.
4137         (Arm_relocate_functions::arm_branch_common,
4138         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
4139         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
4140         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
4141         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
4142         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
4143         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
4144         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
4145         Arm_relocate_functions::thm_mobw_abs_nc,
4146         Arm_relocate_functions::thm_mov_abs,
4147         Arm_relocate_functions::movw_prel_nc,
4148         Arm_relocate_functions::thm_movt_abs,
4149         Arm_relocate_functions::movt_prel,
4150         Arm_relocate_functions::thm_movw_prel_nc,
4151         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
4152         (Target_arm::Relocate::relocate): Only decompose address into two
4153         parts if relocation type uses the thumb-bit and pass the actual
4154         bit instead of a flag indicating that the thumb-bit is used.  Adjust
4155         calls to methods in Arm_relocate_functions for this change.
4157 2009-11-08  Ian Lance Taylor  <iant@google.com>
4159         PR 10925
4160         * reloc.cc: Instantiate
4161         Sized_relobj::initialize_input_to_output_maps and
4162         Sized_relobj:free_input_to_output_maps.
4164 2009-11-06  Ian Lance Taylor  <iant@google.com>
4166         PR 10876
4167         * defstd.cc (in_segment): Set only_if_ref true for "end".
4169 2009-11-06  Doug Kwan  <dougkwan@google.com>
4171         * arm.cc (class Reloc_stub): Correct a comment.
4172         (Target_arm::Target_arm): Initialize arm_input_section_map_.
4173         (Target_arm::scan_section_for_stubs): New method declaration.
4174         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
4175         Change methods from private to protected.
4176         (Target_arm::do_may_relax): New method definition.
4177         (Target_arm::do_relax, Target_arm::group_sections,
4178         Target_arm::scan_reloc_for_stub,
4179         Target_arm::scan_reloc_section_for_stubs): New method declarations.
4180         (Target_arm::arm_input_section_map_): New data member declaration.
4181         (Target_arm::scan_reloc_for_stub,
4182         Target_arm::scan_reloc_section_for_stubs,
4183         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
4184         Target_arm::do_relax): New method definitions.
4186 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
4188         * configure.ac: Check for (struct stat)::st_mtim
4189         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
4190         * config.in: Regenerate.
4191         * configure: Regenerate.
4193 2009-11-05  Ian Lance Taylor  <iant@google.com>
4195         PR 10910
4196         * output.cc (Output_segment::add_output_section): Add missing
4197         return statement.
4199 2009-11-04  Ian Lance Taylor  <iant@google.com>
4201         PR 10880
4202         * object.h (class Object): Add is_needed and set_is_needed
4203         methods.  Add is_needed_ field.  Make bool fields into bitfields.
4204         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
4205         defined in a dynamic object and referenced by a regular object,
4206         set is_needed for the dynamic object.
4207         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
4208         if the file is marked with as_needed and it is not needed.
4210 2009-11-04  Ian Lance Taylor  <iant@google.com>
4212         PR 10887
4213         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
4214         tags if data is discarded by linker script.
4215         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4216         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4217         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4218         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4220 2009-11-04  Ian Lance Taylor  <iant@google.com>
4222         * layout.cc (Layout::get_output_section): Add is_interp and
4223         is_dynamic_linker_section parameters.  Change all callers.
4224         (Layout::choose_output_section): Likewise.
4225         (Layout::make_output_section): Likewise.
4226         (Layout::add_output_section_data): Add is_dynamic_linker_section
4227         parameter.  Change all callers.
4228         * layout.h (class Layout): Update declarations.
4229         * output.h (class Output_section): Add is_interp, set_is_interp,
4230         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
4231         Add is_interp_, is_dynamic_linker_section_ fields.  Change
4232         generate_code_fills_at_write_ to a bitfield.
4233         * output.cc (Output_section::Output_sections): Initialize new
4234         fields.
4235         (Output_segment::add_output_section): Add do_sort parameter.
4236         Change all callers.
4238 2009-11-03  Ian Lance Taylor  <iant@google.com>
4240         PR 10860
4241         * options.h (class General_options): Add --warn-common.
4242         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
4243         merging two common symbols.
4244         (Symbol_table::should_override): Handle --warn-common when merging
4245         a common symbol with a defined symbol.  Use report_resolve_problem
4246         for multiple definitions.
4247         (Symbol_table::report_resolve_problem): New function.
4248         * symtab.h (class Symbol_table): Declare report_resolve_problem.
4250 2009-11-03  Doug Kwan  <dougkwan@google.com>
4252         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4253         stub_factory_.
4254         (Target_arm::stub_factory): New method definition.
4255         (Target_arm::new_arm_input_section,
4256         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4257         Target_arm::reloc_uses_thumb_bit): New method declarations.
4258         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4259         New type definitions.
4260         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4261         member declarations.
4262         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4263         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4264         New method definitions.
4266 2009-11-03  Ian Lance Taylor  <iant@google.com>
4268         * options.h (class General_options): Add --warn_constructors.
4270 2009-11-03  Ian Lance Taylor  <iant@google.com>
4272         PR 10893
4273         * defstd.cc (in_section): Add entries for __rel_iplt_start,
4274         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4276 2009-11-03  Ian Lance Taylor  <iant@google.com>
4278         PR 10895
4279         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4280         --msgid-bugs-address.
4281         (install-pdf): New target.
4282         (install-data_yes): Look up one directory to find mkinstalldirs.
4284 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
4286         * po/Make-in (.po.gmo): Don't generate .gmo files in source
4287         tree.
4289 2009-10-30  Doug Kwan  <dougkwan@google.com>
4291         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4293 2009-10-30  Doug Kwan  <dougkwan@google.com>
4295         * arm.cc (Stub_addend_reader): New struct template definition
4296         and partial specializations.
4297         (Stub_addend_reader::operator()): New method definition for a
4298         partially specialized template.
4300 2009-10-30  Doug Kwan  <dougkwan@google.com>
4302         * arm.cc (Arm_relobj::processor_specific_flags): New method
4303         definition.
4304         (Arm_relobj::do_read_symbols): New method declaration.
4305         (Arm_relobj::processor_specific_flags_): New data member declaration.
4306         (Arm_dynobj): New class definition.
4307         (Target_arm::do_finalize_sections): Add input_objects parameter.
4308         (Target_arm::do_adjust_elf_header): New method declaration.
4309         (Target_arm::are_eabi_versions_compatible,
4310         (Target_arm::merge_processor_specific_flags): New method declaration.
4311         (Target_arm::do_make_elf_object): New overloaded method definitions
4312         and declaration.
4313         (Arm_relobj::do_read_symbols): New method definition.
4314         (Arm_dynobj::do_read_symbols): Ditto.
4315         (Target_arm::do_finalize_sections): Add input_objects parameters.
4316         Merge processor-specific flags from all input objects.
4317         (Target_arm::are_eabi_versions_compatible,
4318         Target_arm::merge_processor_specific_flags,
4319         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4320         New method definitions.
4321         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4322         Input_objects pointer type parameter.
4323         * layout.cc (Layout::finalize): Pass input objects to target's.
4324         finalize_sections function.
4325         * output.cc (Output_file_header::do_sized_write): Set ELF file
4326         header's processor-specific flags.
4327         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4328         Input_objects pointer type parameter.
4329         * sparc.cc (Target_sparc::do_finalize_sections): Same.
4330         * target.h (Input_objects): New forward class declaration.
4331         (Target::processor_specific_flags,
4332         Target::are_processor_specific_flags_sect): New method definitions.
4333         (Target::finalize_sections): Add input_objects parameter.
4334         (Target::Target): Initialize processor_specific_flags_ and
4335         are_processor_specific_flags_set_.
4336         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4337         parameter.
4338         (Target::set_processor_specific_flags): New method definition.
4339         (Target::processor_specific_flags_,
4340         Target::are_processor_specific_flags_set_): New data member
4341         declarations.
4342         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4343         Input_objects pointer type parameter.
4345 2009-10-30  Doug Kwan  <dougkwan@google.com>
4347         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4349 2009-10-28  Ian Lance Taylor  <iant@google.com>
4351         * object.h (class Relobj): Drop options parameter from
4352         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4353         do_scan_relocs, do_relocate.  Change all callers.
4354         (class Sized_relobj): Drop options parameters from
4355         do_gc_process_relocs, do_scan_relocs, do_relocate,
4356         do_relocate_sections, relocate_sections, emit_relocs_scan,
4357         emit_relocs_scan_reltype.  Change all callers.
4358         (struct Relocate_info): Remove options field and all references to
4359         it.
4360         * reloc.h (class Read_relocs): Remove options constructor
4361         parameter and options_ field.  Change all callers.
4362         (class Gc_process_relocs, class Scan_relocs): Likewise.
4363         (class Relocate_task): Likewise.
4364         * target-reloc.h (scan_relocs): Remove options parameter.  Change
4365         all callers.
4366         (scan_relocatable_relocs): Likewise.
4367         * target.h (class Sized_target): Remove options parameter from
4368         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
4369         all callers.
4370         * gc.h (gc_process_relocs): Remove options parameter.  Change all
4371         callers.
4372         * arm.cc: Update functions to remove options parameters.
4373         * i386.cc: Likewise.
4374         * powerpc.cc: Likewise.
4375         * sparc.cc: Likewise.
4376         * x86_64.cc: Likewise.
4377         * testsuite/testfile.cc: Likewise.
4379 2009-10-28  Doug Kwan  <dougkwan@google.com>
4381         * arm.cc (Arm_relobj): New class definition.
4382         (Arm_relobj::scan_sections_for_stubs,
4383         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4384         New method definitions.
4386 2009-10-28  Cary Coutant  <ccoutant@google.com>
4388         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4389         (Plugin::cleanup_done_): New member.
4390         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4391         (Plugin_manager::cleanup_done_): Remove.
4392         (Plugin_manager::add_input_file): Edit error message.
4393         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4394         (Plugin_manager::cleanup): Remove use of cleanup_done_.
4396 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
4398         * fileread.cc: (File_read::View::~View): Use the new
4399         data_ownership_ filed.
4400         (File_read::~File_read): Dispose the new whole_file_view_.
4401         (File_read::open): Mmap the whole file if needed.
4402         (File_read::open): Use whole_file_view_ instead of contents_.
4403         (File_read::find_view): Use whole_file_view_ if applicable.
4404         (File_read::do_read): Use whole_file_view_ instead of contents_.
4405         (File_read::make_view): Use whole_file_view_ instead of contents_,
4406         update File_read::View::View call.
4407         (File_read::find_or_make_view): Update File_read::View::View
4408         call.
4409         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4410         remove contents_
4411         (File_read::View::Data_ownership): New enum.
4412         (File_read::View::View): Replace bool mapped_ with Data_ownership
4413         argument.
4414         (File_read::View::mapped_): Remove (replaced by data_ownership_).
4415         (File_read::View::data_ownership_): New field.
4416         (File_read::contents_): Remove (replaced by whole_file_view_).
4417         (File_read::whole_file_view_): New field.
4418         * options.h (class General_options): Add --keep-files-mapped.
4420 2009-10-27  Cary Coutant  <ccoutant@google.com>
4422         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4423         * testsuite/Makefile.am (plugin_test_5): New test case.
4424         * testsuite/Makefile.in: Regenerate.
4426 2009-10-25  Doug Kwan  <dougkwan@google.com>
4428         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4429         from private to protected to allow access by child class.
4430         (Sized_relobj::do_relocate_sections): New method declaration.
4431         (Sized_relobj::relocate_sections): Virtualize.
4432         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4433         Sized_relobj::relocate_sections.  Instantiate template explicitly
4434         for different target sizes and endianity.
4436 2009-10-24  Doug Kwan  <dougkwan@google.com>
4438         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4439         (Arm_input_section::as_arm_input_section): New method.
4440         (Arm_output_section): New class definition.
4441         (Arm_output_section::create_stub_group,
4442         Arm_output_section::group_sections): New method definitions.
4444 2009-10-22  Doug Kwan  <dougkwan@google.com>
4446         * arm.cc (Arm_input_section): New class definition.
4447         (Arm_input_section::init, Arm_input_section:do_write,
4448         Arm_input_section::set_final_data_size,
4449         Arm_input_section::do_reset_address_and_file_offset): New method
4450         definitions.
4452 2009-10-21  Doug Kwan  <dougkwan@google.com>
4454         * arm.cc (Stub_table, Arm_input_section): New forward class
4455         declarations.
4456         (Stub_table): New class defintion.
4457         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4458         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4459         New method definition.
4461 2009-10-21  Doug Kwan  <dougkwan@google.com>
4463         * arm.cc: Update copyright comments.
4464         (Target_arm): New forward class template declaration.
4465         (Arm_address): New type.
4466         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4467         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4468         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4469         constants.
4470         (Insn_template): Same.
4471         (DEF_STUBS): New macro.
4472         (Stub_type): New enum type.
4473         (Stub_template): New class definition.
4474         (Stub): Same.
4475         (Reloc_stub): Same.
4476         (Stub_factory): Same.
4477         (Target_arm::Target_arm): Initialize may_use_blx_ and
4478         should_force_pic_veneer_.
4479         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4480         Target_arm::should_force_pic_veneer,
4481         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4482         Target_arm::using_thumb_only, Target_arm:;default_target): New
4483         method defintions.
4484         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4485         New data member declarations.
4486         (Insn_template::size, Insn_template::alignment): New method defintions.
4487         (Stub_template::Stub_template): New method definition.
4488         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4489         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4490         (Stub_factory::Stub_factory): New method definition.
4491         * gold.h (string_hash): New template.
4492         * output.h (Input_section_specifier::hash_value): Use
4493         gold::string_hash.
4494         (Input_section_specifier::string_hash): Remove.
4495         * stringpool.cc (Stringpool_template::string_hash): Use
4496         gold::string_hash.
4498 2009-10-20  Doug Kwan  <dougkwan@google.com>
4500         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4501         symbols of relaxed input sections.
4502         * output.h (Output_section::find_relaxed_input_section): Make
4503         method public.
4505 2009-10-16  Doug Kwan  <dougkwan@google.com>
4507         * dynobj.cc (Versions::Versions): Initialize version_script_.
4508         Only insert base version symbol definition for a shared object
4509         if version script defines any version versions.
4510         (Versions::define_base_version): New method definition.
4511         (Versions::add_def): Check that base version is not needed.
4512         (Versions::add_need): Define base version lazily.
4513         * dynobj.h (Versions::define_base_version): New method declaration.
4514         (Versions::needs_base_version_): New data member declaration.
4515         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
4516         (check_DATA): Add no_version_test.stdout.
4517         (libno_version_test.so, no_version_test.o no_version_test.stdout):
4518         New make rules.
4519         * testsuite/Makefile.in: Regenerate.
4520         * testsuite/no_version_test.c: New file.
4521         * testsuite/no_version_test.sh: Ditto.
4523 2009-10-16  Doug Kwan  <dougkwan@google.com>
4525         * expression.cc (class Segment_start_expression): New class definition.
4526         (Segment_start_expression::value): New method definition.
4527         (script_exp_function_segment_start): Return a new
4528         Segment_start_expression.
4529         * gold/script-c.h (script_saw_segment_start_expression): New function
4530         prototype.
4531         * script-sections.cc (Script_sections::Script_sections): Initialize
4532         SAW_SEGMENT_START_EXPRESSION_ to false.
4533         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
4534         and -Tbbs options to specify section addresses if given in
4535         command line and no SEGMENT_START expression is seen in a script.
4536         * script-sections.h (Script_sections::saw_segment_start_expression,
4537         Script_sections::set_saw_segment_start_expression): New method
4538         definition.
4539         (Script_sections::saw_segment_start_expression_): New data member
4540         declaration.
4541         * script.cc (script_saw_segment_start_expression): New function.
4542         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
4543         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
4544         script_test_7.sh and script_test_8.sh.
4545         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
4546         script_test_8.stdout.
4547         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
4548         (script_test_6, script_test_6.stdout, script_test_7,
4549         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
4550         * Makefile.in: Regenerate.
4551         * testsuite/script_test_6.sh: New file.
4552         * testsuite/script_test_6.t: Same.
4553         * testsuite/script_test_7.sh: Same.
4554         * testsuite/script_test_7.t: Same.
4555         * testsuite/script_test_8.sh: Same.
4557 2009-10-16  Doug Kwan  <dougkwan@google.com>
4559         * output.cc (Output_segment::set_section_list_address): Cast
4560         expressions to unsigned long long type to avoid format warnings.
4562 2009-10-15  Ian Lance Taylor  <iant@google.com>
4564         * script.cc (Script_options::add_symbol_assignment): Always add a
4565         dot assignment to script_sections_.
4566         * script-sections.cc (Script_sections::add_dot_assignment):
4567         Initialize if necessary.
4569         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
4570         program headers with no load segment if there is a linker script.
4572         * layout.cc (Layout::set_segment_offsets): Align the file offset
4573         to the segment aligment for -N or -n with no load segment.
4574         * output.cc (Output_segment::add_output_section): Don't crash if
4575         the first section is a TLS section.
4576         (Output_segment::set_section_list_addresses): Print an error
4577         message if the address moves backward in a linker script.
4578         * script-sections.cc
4579         (Output_section_element_input::set_section_addresses): Don't
4580         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
4581         (Orphan_output_section::set_section_addresses): Likewise.
4583 2009-10-15  Doug Kwan  <dougkwan@google.com>
4585         * layout.cc (Layout::finish_dynamic_section): Generate tags
4586         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
4587         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
4588         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
4590 2009-10-14  Ian Lance Taylor  <iant@google.com>
4592         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
4593         fields.
4594         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
4595         data_shdr fields of relinfo.
4596         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
4597         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
4598         R_386_TLS_LDO_32, adjust based on section flags.
4599         (Target_i386::Relocate::fix_up_ldo): Remove.
4601 2009-10-13  Ian Lance Taylor  <iant@google.com>
4603         Add support for -pie.
4604         * options.h (class General_options): Add -pie and
4605         --pic-executable.
4606         (General_options::output_is_position_independent): Test -pie.
4607         (General_options::output_is_executable): Return true if not shared
4608         and not relocatable.
4609         (General_options::output_is_pie): Remove.
4610         * options.cc (General_options::finalize): Reject incompatible uses
4611         of -pie.
4612         * gold.cc (queue_middle_tasks): A -pie link is not static.
4613         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
4614         * symtab.cc (Symbol::final_value_is_known): Return false if
4615         output_is_position_independent.
4616         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
4617         output_is_position_independent.
4618         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
4619         output_is_position_independent.
4620         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
4621         output_is_position_independent.
4622         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
4623         two_file_pie_test.
4624         (basic_pie_test.o, basic_pie_test): New targets.
4625         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
4626         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
4627         (two_file_pie_test): New target.
4628         * testsuite/Makefile.in: Rebuild.
4629         * README: Remove note saying that -pie is not supported.
4631 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
4633         * options.h (class General_options): Add -init and -fini.
4634         * layout.cc (Layout::finish_dynamic_section): Emit
4635         given init and fini functions.
4637 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
4639         * gc.h (gc_process_relocs): Check if icf is enabled using new
4640         function.
4641         * gold.cc (queue_initial_tasks): Likewise.
4642         (queue_middle_tasks): Likewise.
4643         * object.cc (do_layout): Likewise.
4644         * symtab.cc (is_section_folded): Likewise.
4645         * main.cc (main): Likewise.
4646         * reloc.cc (Read_relocs::run): Likewise.
4647         (Sized_relobj::do_scan_relocs): Likewise.
4648         * icf.cc (is_function_ctor_or_dtor): New function.
4649         (Icf::find_identical_sections): Check if function is ctor or dtor when
4650         safe icf is chosen.
4651         * options.h (General_options::icf): Change option to be an enum.
4652         (Icf_status): New enum.
4653         (icf_enabled): New method.
4654         (icf_safe_folding): New method.
4655         (set_icf_status): New method.
4656         (icf_status_): New variable.
4657         * (options.cc) (General_options::finalize): Set icf_status_.
4658         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
4659         icf_test and icf_keep_unique_test to use the --icf enum flag.
4660         * testsuite/icf_safe_test.sh: New file.
4661         * testsuite/icf_safe_test.cc: New file.
4663 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
4665         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
4666         includes to gc.h and icf.h.
4667         * arm.cc: Include gc.h.
4668         * gold.cc: Likewise.
4669         * i386.cc: Likewise.
4670         * powerpc.cc: Likewise.
4671         * sparc.cc: Likewise.
4672         * x86_64.cc: Likewise.
4673         * gc.h: Include icf.h.
4675 2009-10-11  Ian Lance Taylor  <iant@google.com>
4677         * plugin.cc: Include "gold.h" before other header files.
4679 2009-10-10  Chris Demetriou  <cgd@google.com>
4681         * options.h (Input_file_argument::Input_file_type): New enum.
4682         (Input_file_argument::is_lib_): Replace with...
4683         (Input_file_argument::type_): New member.
4684         (Input_file_argument::Input_file_argument): Take Input_file_type
4685         'type' rather than boolean 'is_lib' as second argument.
4686         (Input_file_argument::is_lib): Use type_.
4687         (Input_file_argument::is_searched_file): New function.
4688         (Input_file_argument::may_need_search): Handle is_searched_file.
4689         * options.cc (General_options::parse_library): Support -l:filename.
4690         (General_options::parse_just_symbols): Update for Input_file_argument
4691         changes.
4692         (Command_line::process): Likewise.
4693         * archive.cc (Archive::get_file_and_offset): Likewise.
4694         * plugin.cc (Plugin_manager::release_input_file): Likewise.
4695         * script.cc (read_script_file, script_add_file): Likewise.
4696         * fileread.cc (Input_file::Input_file): Likewise.
4697         (Input_file::will_search_for): Handle is_searched_file.
4698         (Input_file::open): Likewise.
4699         * readsyms.cc (Read_symbols::get_name): Likewise.
4700         * testsuite/Makefile.am (searched_file_test): New test.
4701         * testsuite/Makefile.in: Regenerate.
4702         * testsuite/searched_file_test.cc: New file.
4703         * testsuite/searched_file_test_lib.cc: New file.
4705 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4706             Ian Lance Taylor  <iant@google.com>
4708         * descriptor.cc: Include <cstdio> and "binary-io.h".
4709         (Descriptors::open): Open the files in binary mode always.
4710         * script.cc (Lex::get_token): Treat \r as whitespace.
4712 2009-10-09  Ian Lance Taylor  <iant@google.com>
4714         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
4716 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4717             Ian Lance Taylor  <iant@google.com>
4719         * configure.ac: Check for readv function also.
4720         * fileread.cc (readv): Define if not HAVE_READV.
4721         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
4722         does not exist.
4723         * config.in: Regenerate.
4724         * configure: Regenerate.
4726 2009-10-09  Doug Kwan  <dougkwan@google.com>
4728         * layout.cc (Layout::make_output_section): Call target hook to make
4729         ordinary output section.
4730         (Layout::finalize): Adjust parameter list of call the
4731         Target::may_relax().
4732         * layout.h (class Layout::section_list): New method.
4733         * merge.h (Output_merge_base::entsize): Change visibility to public.
4734         (Output_merge_base::is_string, Output_merge_base::do_is_string):
4735         New methods.
4736         (Output_merge_string::do_is_string): New method.
4737         * object.cc (Sized_relobj::do_setup): renamed from
4738         Sized_relobj::set_up.
4739         * object.h (Sized_relobj::adjust_shndx,
4740         Sized_relobj::initializ_input_to_output_maps,
4741         Sized_relobj::free_input_to_output_maps): Change visibilities to
4742         protected.
4743         (Sized_relobj::setup): Virtualize.
4744         (Sized_relobj::do_setup): New method declaration.
4745         (Sized_relobj::invalidate_section_offset,
4746         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
4747         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
4748         * options.cc (parse_int): New function.
4749         * options.h (parse_int): New declaration.
4750         (DEFINE_int): New macro.
4751         (stub_group_size): New option.
4752         * output.cc (Output_section::Output_section): Initialize memebers
4753         merge_section_map_, merge_section_by_properties_map_,
4754         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
4755         (Output_section::add_input_section): Handled deferred code-fill
4756         generation and remove an old comment.
4757         (Output_section::add_relaxed_input_section): New method definition.
4758         (Output_section::add_merge_input_section): Use merge section by
4759         properties map to speed to search.  Update merge section maps
4760         as appropriate.
4761         (Output_section::build_relaxation_map): New method definition.
4762         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4763         Same.
4764         (Output_section::relax_input_section): Renamed to
4765         Output_section::convert_input_sections_to_relaxed_sections and change
4766         interface to take a vector of pointers to relaxed sections.
4767         (Output_section::find_merge_section,
4768         Output_section::find_relaxed_input_section): New method definitions.
4769         (Output_section::is_input_address_mapped,
4770         Output_section::output_offset, Output_section::output_address):
4771         Use output section data maps to speed up searching.
4772         (Output_section::find_starting_output_address): Add comments.
4773         (Output_section::do_write,
4774         Output_section::write_to_postprocessing_buffer): Do code-fill
4775         generation as appropriate.
4776         (Output_section::get_input_sections): Invalidate relaxed input section
4777         map.
4778         (Output_section::restore_states): Adjust type of checkpoint .
4779         Invalidate relaxed input section map.
4780         * output.h (Output_merge_base): New class declaration.
4781         (Input_section_specifier): New class defintion.
4782         (class Output_relaxed_input_section) Change base class to
4783         Output_section_data_build.
4784         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
4785         base class initializer.
4786         (Output_section::add_relaxed_input_section): New method declaration.
4787         (Output_section::Input_section): Change visibility to protected.
4788         (Output_section::Input_section::relobj,
4789         Output_section::Input_section::shndx): Handle relaxed input sections.
4790         Output_section::input_sections) Change visibility to protected.  Also
4791         define overload to return a non-const pointer.
4792         (Output_section::Merge_section_properties): New class defintion.
4793         (Output_section::Merge_section_by_properties_map,
4794         Output_section::Output_section_data_by_input_section_map,
4795         Output_section::Relaxation_map): New types.
4796         (Output_section::relax_input_section): Rename method to
4797         Output_section::convert_input_sections_to_relaxed_sections and change
4798         interface to take a vector of relaxed section pointers.
4799         (Output_section::find_merge_section,
4800         Output_section::find_relaxed_input_section,
4801         Output_section::build_relaxation_map,
4802         Output_section::convert_input_sections_in_list_to_relaxed_sections):
4803         New method declarations.
4804         (Output_section::merge_section_map_
4805         Output_section::merge_section_by_properties_map_,
4806         Output_section::relaxed_input_section_map_,
4807         Output_section::is_relaxed_input_section_map_valid_,
4808         Output_section::generate_code_fills_at_write_): New data members.
4809         * script-sections.cc
4810         (Output_section_element_input::set_section_addresses): Call
4811         current_data_size and addralign methods of relaxed input sections.
4812         (Orphan_output_section::set_section_addresses): Call current_data_size
4813         and addralign methods of relaxed input sections.
4814         * symtab.cc (Symbol_table::compute_final_value): Extract template
4815         from the body of Symbol_table::sized_finalize_symbol.
4816         (Symbol_table::sized_finalized_symbol): Call
4817         Symbol_table::compute_final_value.
4818         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
4819         (Symbol_table::compute_final_value): New templated method declaration.
4820         * target.cc (Target::do_make_output_section): New method defintion.
4821         * target.h (Target::make_output_section): New method declaration.
4822         (Target::relax): Add more parameters for input objects, symbol table
4823         and layout.  Adjust call to do_relax.
4824         (Target::do_make_output_section): New method declaration.
4825         (Target::do_relax): Add parameters for input objects, symbol table
4826         and layout.
4828 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4830         * pread.c: Include stdio.h.
4832 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4834         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
4835         defined.
4837 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4839         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4840         Change read_shndx type to unsigned int.
4841         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4842         int.
4843         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4844         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
4845         Change read_shndx type to unsigned int.
4846         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4847         int.
4848         (Sized_dwarf_line_info::read_line_mappings): Likewise.
4849         * layout.cc (Layout::create_symtab_sections): Cast the result of
4850         local_symcount * symsize to off_t in the gold_assert.
4852 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4854         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
4855         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
4856         R_ARM_BASE_ABS.
4857         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
4858         (Arm_relocate_functions::thm_abs5): New function.
4859         (Arm_relocate_functions::abs12): New function.
4860         (Arm_relocate_functions::abs16): New function.
4861         (Arm_relocate_functions::base_abs): New function.
4862         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
4863         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
4864         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
4865         R_ARM_BASE_ABS.
4866         (Scan::global): Likewise.
4867         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
4868         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
4869         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
4870         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
4871         R_ARM_BASE_ABS.
4873 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4875         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
4876         (Arm_relocate_functions::movt_prel): New function.
4877         (Arm_relocate_functions::thm_movw_prel_nc): New function.
4878         (Arm_relocate_functions::thm_movt_prel): New function.
4879         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
4880         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
4881         (Scan::global, Relocate::relocate): Likewise.
4882         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4884 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4886         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
4887         Incremental_checker.
4888         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
4889         unsigned int.
4890         (class Incremental_inputs_header): New class.
4891         (Incremental_inputs_header_writer): Edit comment.
4892         (Incremental_inputs_entry): New class.
4893         (Incremental_inputs_entry_writer): Edit comment.
4894         (Sized_incremental_binary::do_find_incremental_inputs_section):
4895         Add *strtab_shndx parameter, fill it.
4896         (Sized_incremental_binary::do_check_inputs): New method.
4897         (Incremental_checker::can_incrementally_link_output_file): Use
4898         Sized_incremental_binary::check_inputs.
4899         (Incremental_inputs::report_command_line): Save command line in
4900         command_line_.
4901         * incremental.h:
4902         (Incremental_binary::find_incremental_inputs_section): New
4903         method.
4904         (Incremental_binary::do_find_incremental_inputs_section): Add
4905         strtab_shndx parameter.
4906         (Incremental_binary::do_check_inputs): New pure virtual method.
4907         (Sized_incremental_binary::do_check_inputs): Declare.
4908         (Incremental_checker::Incremental_checker): Add incremental_inputs
4909         parameter, use it to initialize incremental_inputs_.
4910         (Incremental_checker::incremental_inputs_): New field.
4911         (Incremental_checker::command_line): New method.
4912         (Incremental_checker::inputs): New method.
4913         (Incremental_checker::command_line_): New field.
4915 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
4917         * incremental.cc: Include <cstdarg> and "target-select.h".
4918         (vexplain_no_incremental): New function.
4919         (explain_no_incremental): New function.
4920         (Incremental_binary::error): New method.
4921         (Sized_incremental_binary::do_find_incremental_inputs_section): New
4922         method.
4923         (make_sized_incremental_binary): New function.
4924         (open_incremental_binary): New function.
4925         (can_incrementally_link_file): Add checks if output is ELF and has
4926         inputs section.
4927         * incremental.h: Include "elfcpp_file.h" and "output.h".
4928         (Incremental_binary): New class.
4929         (Sized_incremental_binary): New class.
4930         (open_incremental_binary): Declare.
4931         * object.cc (is_elf_object): Use
4932         elfcpp::Elf_recognizer::is_elf_file.
4933         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
4934         * output.h (Output_file::filesize): New method.
4936 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4938         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
4939         New function.
4940         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
4941         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
4942         function.
4943         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
4944         function.
4945         (Arm_relocate_functions::movw_abs_nc): New function.
4946         (Arm_relocate_functions::movt_abs): New function.
4947         (Arm_relocate_functions::thm_movw_abs_nc): New function.
4948         (Arm_relocate_functions::thm_movt_abs): New function.
4949         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
4950         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
4951         (Scan::global): Likewise.
4952         (Relocate::relocate): Likewise.
4953         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4955 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4957         * arm.cc (Arm_relocate_functions::got_prel) New function.
4958         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
4959         (Relocate::relocate): Likewise.
4960         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4962 2009-10-06  Ian Lance Taylor  <iant@google.com>
4964         * options.h (class General_options): Define
4965         split_stack_adjust_size parameter.
4966         * object.h (class Object): Add uses_split_stack_ and
4967         has_no_split_stack_ fields.  Add uses_split_stack and
4968         has_no_split_stack accessor functions.  Declare
4969         handle_split_stack_section.
4970         (class Reloc_symbol_changes): Define.
4971         (class Sized_relobj): Define Function_offsets.  Declare
4972         split_stack_adjust, split_stack_adjust_reltype, and
4973         find_functions.
4974         * object.cc (Object::handle_split_stack_section): New function.
4975         (Sized_relobj::do_layout): Call handle_split_stack_section.
4976         * dynobj.cc (Sized_dynobj::do_layout): Call
4977         handle_split_stack_section.
4978         * reloc.cc (Sized_relobj::relocate_sections): Call
4979         split_stack_adjust for executable sections in split_stack
4980         objects.  Pass reloc_map to relocate_section.
4981         (Sized_relobj::split_stack_adjust): New function.
4982         (Sized_relobj::split_stack_adjust_reltype): New function.
4983         (Sized_relobj::find_functions): New function.
4984         * target-reloc.h: Include "object.h".
4985         (relocate_section): Add reloc_symbol_changes parameter.  Change
4986         all callers.
4987         * target.h (class Target): Add calls_non_split method.  Declare
4988         do_calls_non_split virtual method.  Declare match_view and
4989         set_view_to_nop.
4990         * target.cc: Include "elfcpp.h".
4991         (Target::do_calls_non_split): New function.
4992         (Target::match_view): New function.
4993         (Target::set_view_to_nop): New function.
4994         * gold.cc (queue_middle_tasks): Give an error if mixing
4995         split-stack and non-split-stack objects with -r.
4996         * i386.cc (Target_i386::relocate_section): Add
4997         reloc_symbol_changes parameter.
4998         (Target_i386::do_calls_non_split): New function.
4999         * x86_64.cc (Target_x86_64::relocate_section): Add
5000         reloc_symbol_changes parameter.
5001         (Target_x86_64::do_calls_non_split): New function.
5002         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
5003         parameter.
5004         * powerpc.cc (Target_powerpc::relocate_section): Add
5005         reloc_symbol_changes parameter.
5006         * sparc.cc (Target_sparc::relocate_section): Add
5007         reloc_symbol_changes parameter.
5008         * configure.ac: Call AM_CONDITIONAL for the default target.
5009         * configure: Rebuild.
5010         * testsuite/Makefile.am (TEST_AS): New variable.
5011         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
5012         (check_DATA): Add split_i386 and split_x86_64 files.
5013         (SPLIT_DEFSYMS): Define.
5014         (split_i386_[1234n].o): New targets.
5015         (split_i386_[124]): New targets.
5016         (split_i386_[1234r].stdout): New targets.
5017         (split_x86_64_[1234n].o): New targets.
5018         (split_x86_64_[124]): New targets.
5019         (split_x86_64_[1234r].stdout): New targets.
5020         (MOSTLYCLEANFILES): Add new executables.
5021         * testsuite/split_i386.sh: New file.
5022         * testsuite/split_x86_64.sh: New file.
5023         * testsuite/split_i386_1.s: New file.
5024         * testsuite/split_i386_2.s: New file.
5025         * testsuite/split_i386_3.s: New file.
5026         * testsuite/split_i386_4.s: New file.
5027         * testsuite/split_i386_n.s: New file.
5028         * testsuite/split_x86_64_1.s: New file.
5029         * testsuite/split_x86_64_2.s: New file.
5030         * testsuite/split_x86_64_3.s: New file.
5031         * testsuite/split_x86_64_4.s: New file.
5032         * testsuite/split_x86_64_n.s: New file.
5033         * testsuite/testfile.cc (Target_test): Update relocation_section
5034         function.
5035         * testsuite/Makefile.in: Rebuild.
5037 2009-10-06  Ian Lance Taylor  <iant@google.com>
5039         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
5040         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
5041         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
5042         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
5043         the address on ldo_addrs_.
5044         (Target_i386::Relocate::fix_up_ldo): New function.
5046 2009-10-06   Rafael Espindola  <espindola@google.com>
5048         * plugin.cc (add_input_library): New.
5049         (Plugin::load): Add add_input_library to tv.
5050         (Plugin_manager::add_input_file): Add the is_lib argument.
5051         (add_input_file): Update call to Plugin_manager::add_input_file.
5052         (add_input_library): New.
5053         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
5055 2009-09-30  Doug Kwan  <dougkwan@google.com>
5057         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
5058         symbol and call Symbol::may_need_copy_reloc to determine if
5059         a copy reloc is needed.
5060         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
5061         nocopyreloc is given in command line.
5062         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
5063         given in command line.
5064         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
5065         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
5066         of the removed Target_i386::may_need_copy_reloc.
5067         * options.h (copyreloc): New option with default value false.
5068         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5069         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
5070         instead of the removed Target_powerpc::may_need_copy_reloc.
5071         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
5072         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
5073         instead of the removed Target_sparc::may_need_copy_reloc.
5074         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
5075         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
5076         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
5077         instead of the removed Target_x86_64::may_need_copy_reloc.
5079 2009-09-30  Ian Lance Taylor  <iant@google.com>
5081         * object.h (class Object): Remove target_ field, and target,
5082         sized_target, and set_target methods.
5083         (Object::sized_target): Remove.
5084         (class Sized_relobj): Update declarations.  Remove sized_target.
5085         * object.cc (Sized_relobj::setup): Remove target parameter.
5086         Change all callers.
5087         (Input_objects::add_object): Don't do anything with the target.
5088         (make_elf_sized_object): Add punconfigured parameter.  Change all
5089         callers.  Set or test parameter target.
5090         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
5091         Change all callers.
5092         * parameters.cc (Parameters::set_target): Change parameter type to
5093         be non-const.
5094         (Parameters::default_target): Remove.
5095         (set_parameters_target): Change parameter type to be non-const.
5096         (parameters_force_valid_target): New function.
5097         (parameters_clear_target): New function.
5098         * parameters.h (class Parameters): Update declarations.  Remove
5099         default_target method.  Add sized_target and clear_target
5100         methods.  Change target_ to be non-const.
5101         (set_parameters_target): Update declaration.
5102         (parameters_force_valid_target): Declare.
5103         (parameters_clear_target): Declare.
5104         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
5105         as NULL if we aren't searching.
5106         (Add_symbols::run): Don't check for compatible target.
5107         * fileread.cc (Input_file::open_binary): Call
5108         parameters_force_valid_target.
5109         * gold.cc (queue_middle_tasks): Likewise.
5110         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
5111         set_target on object.
5112         * dynobj.h (class Sized_dynobj): Update declarations.
5113         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
5114         make_elf_object returns NULL.
5115         (Archive::include_member): Don't check whether object target is
5116         compatible.
5117         * output.cc (Output_section::add_input_section): Get target from
5118         parameters.
5119         (Output_section::relax_input_section): Likewise.
5120         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
5121         parameters.
5122         (Sized_relobj::do_scan_relocs): Likewise.
5123         (Sized_relobj::relocate_sections): Likewise.
5124         * resolve.cc (Symbol_table::resolve): Likewise.
5125         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
5126         parameter.  Change all callers.
5127         (Symbol_table::add_from_object): Get target from parameters.
5128         (Symbol_table::add_from_relobj): Don't check object target.
5129         (Symbol_table::add_from_dynobj): Likewise.
5130         (Symbol_table::define_special_symbol): Get target from
5131         parameters.
5132         * symtab.h (class Symbol_table): Update declaration.
5133         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
5134         parameter.  Change all callers.  Clear parameter target.
5135         (Binary_test): Test target here.
5136         * testsuite/object_unittest.cc (gold_testsuite): Remove
5137         target_test_pointer parameter.  Change all callers.
5138         (Object_test): Test target here.
5140 2009-09-26  Ian Lance Taylor  <iant@google.com>
5142         * testsuite/initpri1.c: Don't try to use constructor priorities if
5143         compiling with gcc before 4.3.
5145 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
5147         * testsuite/retain_symbols_file_test.sh (check_present): Change
5148         output file name to retain_symbols_file_test.stdout.
5149         (check_absent): Likewise.
5151 2009-09-18  Craig Silverstein  <csilvers@google.com>
5153         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
5154         * options.cc: Include <cerrno> and <fstream>.
5155         (General_options::finalize): Parse -retain-symbols-file tag.
5156         * options.h: New flag.
5157         (General_options): New method should_retain_symbol, new
5158         variable symbols_to_retain.
5159         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
5160         should_retain_symbol map.
5161         * testsuite/Makefile.am (retain_symbols_file_test): New test.
5162         * testsuite/Makefile.in: Regenerate.
5163         * testsuite/retain_symbols_file_test.sh: New file.
5165 2009-09-18  Nick Clifton  <nickc@redhat.com>
5167         * po/es.po: Updated Spanish translation.
5169 2009-09-17  Doug Kwan  <dougkwan@google.com>
5171         * debug.h (DEBUG_RELAXATION): New constant.
5172         (DEBUG_ALL): Add DEBUG_RELAXATION.
5173         (debug_string_to_enum): Add relaxation debug option.
5174         * layout.cc
5175         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
5176         Layout::Relaxation_debug_check::read_sections,
5177         Layout::Relaxation_debug_check::read_sections): New method definitions.
5178         (Layout::Layout): Initialize data members
5179         record_output_section_data_from_scrips_,
5180         script_output_section_data_list_ and relaxation_debug_check_.
5181         (Layout::save_segments, Layout::restore_segments,
5182         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5183         Layout::relaxation_loop_body): New method definitions.
5184         (Layout::finalize): Support relaxation.  Move section layout code to
5185         Layout::relaxation_loop_body.
5186         (Layout::set_asection_address_from_script): Move code for orphan
5187         section placement out.
5188         (Layout::place_orphan_sections_in_script): New method definition.
5189         * layout.h (Output_segment_headers, Output_file_header):
5190         New forward class declarations.
5191         (Layout::~Layout): Define.
5192         (Layout::new_output_section_data_from_script): New method definition.
5193         (Layout::place_orphan_sections_in_script): New method declaration.
5194         (Layout::Segment_states): New type declaration.
5195         (Layout::save_segments, Layout::restore_segments,
5196         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
5197         Layout::relaxation_loop_body): New method declarations.
5198         (Layout::Output_section_data_list): New type declaration.
5199         (Layout::Relaxation_debug_check): New class definition.
5200         (Layout::record_output_section_data_from_script_,
5201         Layout::script_output_section_data_list_, Layout::segment_states_,
5202         Layout::relaxation_debug_check_): New data members.
5203         * output.cc: (Output_section_headers::do_size): New method definition.
5204         (Output_section_headers::Output_section_headers): Move size
5205         computation to Output_section_headers::do_size.
5206         (Output_segment_headers::do_size): New method definition.
5207         (Output_file_header::Output_file_header): Move size computation to
5208         Output_file_header::do_size and call it.
5209         (Output_file_header::do_size): New method definition.
5210         (Output_data_group::Output_data_group): Adjust call to
5211         Output_section_data.
5212         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
5213         (Output_symtab_xindex::do_write): Add array bound check.
5214         (Output_section::Input_section::print_to_mapfile): Handle
5215         RELAXED_INPUT_SECTION_CODE.
5216         (Output_section::Output_section): Initialize data member checkpoint_.
5217         (Output_section::~Output_section): Delete checkpoint object pointed
5218         by checkpoint_.
5219         (Output_section::add_input_section): Always add an Input_section if
5220         relaxing.
5221         (Output_section::add_merge_input_section): Add assert.
5222         (Output_section::relax_input_section): New method definition.
5223         (Output_section::set_final_data_size): Set load address to zero for
5224         an unallocated section.
5225         (Output_section::do_address_and_file_offset_have_reset_values):
5226         New method definition.
5227         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
5228         Handle relaxed input section.
5229         (Output_section::sort_attached_input_sections): Checkpoint input
5230         section list lazily.
5231         (Output_section::get_input_sections): Change type of input_sections to
5232         list of Simple_input_section pointers.  Checkpoint input section list
5233         lazily.  Also handle relaxed input sections.
5234         (Output_section::add_input_section_for_script): Take a reference to
5235         a Simple_input_section object instead of Relobj pointer and section
5236         index as parameter.  Handle relaxed input sections.
5237         (Output_section::save_states, Output_section::restore_states): New
5238         method definitions.
5239         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
5240         (Output_data::is_data_size_fixed): New method definition.
5241         (Output_data::reset_addresss_and_file_offset): Do not reset data size
5242         if it is fixed.
5243         (Output_data::address_and_file_offset_have_reset_values): New method
5244         definition.
5245         (Output_data::do_address_and_file_offset_have_reset_values): New method
5246         definition.
5247         (Output_data::set_data_size): Check that data size is not fixed.
5248         (Output_data::fix_data_size): New method definition.
5249         (Output_data::is_data_size_fixed_): New data member.
5250         (Output_section_headers::set_final_data_size): New method definition.
5251         (Output_section_headers::do_size): New method declaration.
5252         (Output_segment_headers::set_final_data_size): New method definition.
5253         (Output_segment_headers::do_size): New method declaration.
5254         (Output_file_header::set_final_data_size)::New method definition.
5255         (Output_file_header::do_size)::New method declaration.
5256         (Output_section_data::Output_section_data): Add new parameter
5257         is_data_size_fixed and use it to fix data size.
5258         (Output_data_const::Output_data_const): Adjust call to base class
5259         constructor and fix data size.
5260         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5261         base class constructor and fix data size.
5262         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5263         base class constructor and fix data size.
5264         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5265         class constructor and fix data size.
5266         (Output_data_group::set_final_data_size): New method definition.
5267         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5268         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5269         class constructor and fix data size.
5270         (Output_relaxed_input_section): New class definition.
5271         (Output_section::Simple_input_section): New class definition.
5272         (Output_section::get_input_sections): Adjust parameter list.
5273         (Output_section::add_input_section_for_script): Same.
5274         (Output_section::save_states, Output_section::restore_states,
5275         Output_section::do_address_and_file_offset_have_reset_values,
5276         (Output_section::Input_section::Input_section): Handle
5277         RELAXED_INPUT_SECTION_CODE.  Add new overload for
5278         Output_relaxed_input_section.
5279         (Output_section::Input_section::is_input_section,
5280         Output_section::Input_section::set_output_section): Handle relaxed
5281         input section.
5282         (Output_section::Input_section::is_relaxed_input_section,
5283         Output_section::Input_section::output_section_data,
5284         Output_section::Input_section::relaxed_input_section): New method
5285         definitions.
5286         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5287         value.
5288         (Output_section::Input_section::u1_): Update comments.
5289         (Output_section::Input_section::u2_): Add new union member poris.
5290         (Output_section::Checkpoint_output_section): New classs definition.
5291         (Output_section::relax_input_section): New method declaration.
5292         (Output_section::checkpoint_): New data member.
5293         (Output_segment): Update comments.
5294         (Output_segment::Output_segment): Un-privatize copy constructor.
5295         (Output_segment::operator=): Un-privatize.
5296         * script-sections.cc (Output_section_element::Input_section_list):
5297         Change element type to Output_section::Simple_input_section.
5298         (Output_section_element_dot_assignment::set_section_addresses):
5299         Register output section data for relaxation clean up.
5300         (Output_data_exression::Output_data_expression): Adjust call to base
5301         constructor to fix data size.
5302         (Output_section_element_data::set_section_addresses): Register
5303         Output_data_expression object for relaxation clean up.
5304         (struct Input_section_info): Replace Relobj pointer and section index
5305         pair with Output_section::Simple_input_section and Convert struct to a
5306         class.
5307         (Input_section_sorter::operator()): Adjust access to
5308         Input_section_info data member to use accessors.
5309         (Output_section_element_input::set_section_addresses): Use layout
5310         parameter.  Adjust code to use Output_section::Simple_input_section
5311         and Input_secction_info classes.  Register filler for relaxation
5312         clean up.
5313         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5314         and section index pair with Output_section::Simple_input_section
5315         class.  Adjust code accordingly.
5316         (Phdrs_element::release_segment): New method definition.
5317         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5318         segment list.
5319         (Script_sections::release_segments): New method definition.
5320         * gold/script-sections.h (Script_sections::release_segments): New
5321         method declaration.
5322         * gold/target.h (Target::may_relax, Target::relax,
5323         Target::do_may_relax, Target::do_relax): New method definitions.
5325 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5327         * arm.cc (has_signed_unsigned_overflow): New function.
5328         (Arm_relocate_functions::abs8): New function.
5329         (Target_arm::Scan::local): Handle R_ARM_ABS8.
5330         (Target_arm::Scan::global): Likewise.
5331         (Target_arm::relocate::relocate): Likewise.
5332         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5333         Likewise.
5335 2009-09-16  Cary Coutant  <ccoutant@google.com>
5337         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5338         * testsuite/Makefile.in: Regenerate.
5340 2009-09-11  Nick Clifton  <nickc@redhat.com>
5342         * po/gold.pot: Updated by the Translation project.
5344 2009-09-08  Cary Coutant  <ccoutant@google.com>
5346         * output.cc (Output_file::open): Add execute permission to empty file.
5347         * testsuite/Makefile.am (permission_test): New test.
5348         * testsuite/Makefile.in: Regenerate.
5350 2009-09-02  Ian Lance Taylor  <iant@google.com>
5352         * output.cc (Output_file::resize): Call map_no_anonymous rather
5353         than map.
5355 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
5357         * gold.cc: Include "incremental.h".
5358         (queue_initial_tasks): Call Incremental_checker methods.
5359         * incremental.cc: Include "output.h".
5360         (Incremental_checker::can_incrementally_link_output_file): New
5361         method.
5362         * incremental.h (Incremental_checker): New class.
5364         * output.cc (Output_file::open_for_modification): New method.
5365         (Output_file::map_anonymous): Changed return type to bool.  Record
5366         map in base_ field.
5367         (Output_file::map_no_anonymous): New method, broken out of map.
5368         (Output_file::map): Use map_no_anonymous and map_anonymous.
5369         * output.h (class Output_file): Update declarations.
5371 2009-08-24  Cary Coutant  <ccoutant@google.com>
5373         * options.h (Command_line::Pre_options): New class.
5374         (Command_line::pre_options): New member.
5375         * options.cc (gold::options::ready_to_register): New variable.
5376         (One_option::register_option): Do nothing if not registering options.
5377         Assert if same short option registered twice.
5378         (General_options::General_options): Turn off option registration when
5379         done constructing.
5380         (Command_line::Pre_options::Pre_options): New constructor.
5382 2009-08-24  Cary Coutant  <ccoutant@google.com>
5384         * options.h (General_options::no_keep_memory): Remove incorrect
5385         short option.
5387 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5389         * Makefile.am (am__skiplex, am__skipyacc): New.
5390         * Makefile.in: Regenerate.
5392 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5394         * Makefile.am (AM_CPPFLAGS): Renamed from ...
5395         (INCLUDES): ... this.
5396         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5397         (AM_CPPFLAGS): Renamed from ...
5398         (INCLUDE): ... this.
5399         * Makefile.in, testsuite/Makefile.in: Regenerate.
5401         * Makefile.in: Regenerate.
5402         * aclocal.m4: Likewise.
5403         * config.in: Likewise.
5404         * configure: Likewise.
5405         * testsuite/Makefile.in: Likewise.
5407         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5408         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5409         * Makefile.in: Regenerate.
5410         * testsuite/Makefile.in: Regenerate.
5412 2009-08-19  Cary Coutant  <ccoutant@google.com>
5414         * resolve.cc (Symbol_table::resolve): Don't complain about defined
5415         symbols in shared libraries overridden by hidden or internal symbols
5416         in the main program.
5418 2009-08-19  Chris Demetriou  <cgd@google.com>
5420         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5421         checking source file names in error messages.
5423 2009-08-18  Doug Kwan  <dougkwan@google.com>
5425         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5426         an elcpp::Ehdr as parameter.  Adjust call to set_target.
5427         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5428         an elfcpp::Ehdr as parameter.
5429         * object.cc (Object::set_target): Remove the version that looks up
5430         a target and sets it.
5431         (Sized_relobj::setup): Take a Target object instead of
5432         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
5433         (make_elf_sized_object): Find target and ask target to
5434         make an ELF object.
5435         * object.h: (Object::set_target): Remove the version that looks up
5436         a target and sets it.
5437         (Sized_relobj::setup): Take a Target object instead of
5438         an elfcpp:Ehdr as parameter.
5439         * target.cc: Include dynobj.h.
5440         (Target::do_make_elf_object_implementation): New.
5441         (Target::do_make_elf_object): New.
5442         * target.h (Target::make_elf_object): New template declaration.
5443         (Target::do_make_elf_object): New method declarations.
5444         (Target::do_make_elf_object_implementation): New template declaration.
5446 2009-08-14  Ian Lance Taylor  <iant@google.com>
5448         * gold.h (FUNCTION_NAME): Define.
5449         (gold_unreachable): Use FUNCTION_NAME.
5451 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5453         * icf.cc (Icf::find_identical_sections): Issue a warning when a
5454         symbol in the --keep-unique list is not found.
5456 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
5458         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5459         been maked as --keep-unique.
5460         (Icf::unfold_section): New function.
5461         * icf.h (Icf::unfold_section): New function.
5462         * options.h (General_options::keep_unique): New option.
5463         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5464         * testsuite/Makefile.in: Regenerate.
5465         * testsuite/icf_keep_unique_test.sh: New file.
5466         * testsuite/icf_keep_unique_test.cc: New file.
5468 2009-08-12  Cary Coutant  <ccoutant@google.com>
5470         PR 10471
5471         * resolve.cc (Symbol_table::resolve): Check for references from
5472         dynamic objects to hidden and internal symbols.
5473         * testsuite/Makefile.am (hidden_test.sh): New test.
5474         * testsuite/Makefile.in: Regenerate.
5475         * testsuite/hidden_test.sh: New script.
5476         * testsuite/hidden_test_1.c: New test source.
5477         * testsuite/hidden_test_main.c: New test source.
5479 2009-08-11  Doug Kwan  <dougkwan@google.com>
5481         * arm.cc: Update comments.
5482         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5483         segment to locate the .ARM.exidx section if present.
5485 2009-08-09  Doug Kwan  <dougkwan@google.com>
5487         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5488         patch.
5490 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
5491         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5492         compiler warnings.
5494 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
5496         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5497         valid tls_segment only for non-debug-section relocations.
5498         * testsuite/Makefile.am: Add gc_tls_test.
5499         * testsuite/Makefile.in: Regenerate.
5500         * testsuite/gc_tls_test.cc: New file.
5501         * testsuite/gc_tls_test.sh: New file.
5503 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
5505         * icf.cc: New file.
5506         * icf.h: New file.
5507         * Makefile.am (CCFILES): Add icf.cc.
5508         (HFILES): Add icf.h
5509         * Makefile.in: Regenerate.
5510         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5511         * gc.h (gc_process_relocs): Populate lists used by icf to contain
5512         section, symbol and addend information for the relocs.
5513         * gold.cc (queue_middle_tasks): Call identical code folding.
5514         * gold.h: Add defines for multimap.
5515         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
5516         to the call of finalize_local_symbols.
5517         * main.cc (main): Create object of class Icf.
5518         * object.cc (Sized_relobj::do_layout): Allow this function to be
5519         called twice during icf.
5520         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
5521         to sections marked as identical by icf.
5522         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
5523         when available.
5524         (Sized_relobj::do_section_entsize): New function.
5525         * object.h (Object::section_entsize): New function.
5526         (Object::do_section_entsize): New pure virtual function.
5527         (Relobj::finalize_local_symbols): Add new parameter.
5528         (Relobj::do_section_entsize): New function.
5529         * options.h (General_options::icf): New option.
5530         (General_options::icf_iterations): New option.
5531         (General_options::print_icf_sections): New option.
5532         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
5533         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
5534         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
5535         icf.
5536         * symtab.cc (Symbol_table::is_section_folded): New function.
5537         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
5538         to sections marked as identical by icf.
5539         * symtab.h (Symbol_table::set_icf): New function.
5540         (Symbol_table::icf): New function.
5541         (Symbol_table::is_section_folded): New function.
5542         (Symbol_table::icf_): New data member.
5543         * target-reloc.h (relocate_section): Ignore sections folded by icf.
5544         * testsuite/Makefile.am: Add commands to build icf_test.
5545         * testsuite/Makefile.in: Regenerate.
5546         * testsuite/icf_test.sh: New file.
5547         * testsuite/icf_test.cc: New file.
5549 2009-07-24  Chris Demetriou  <cgd@google.com>
5551         * layout.cc (is_compressible_debug_section): Fix incorrect
5552         comment about compressed section names.
5554 2009-07-20  Ian Lance Taylor  <ian@airs.com>
5556         PR 10419
5557         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
5559 2009-07-16  Ian Lance Taylor  <iant@google.com>
5561         PR 10400
5562         * layout.h: #include <map>.
5563         (class Kept_section): Change from struct to class.  Add accessors
5564         and setters.  Add section size to Comdat_group mapping.  Change
5565         Comdat_group to std::map.  Add is_comdat_ field.  Add
5566         linkonce_size field in union.
5567         (class Layout): Update declaration of find_or_add_kept_section.
5568         Don't declare find_kept_object.
5569         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
5570         parameter.  Add object, shndx, is_comdat, and is_group_name
5571         parameters.  Change all callers.  Adjust for new Kept_section.
5572         (Layout::find_kept_object): Remove.
5573         * object.cc (Sized_relobj::include_section_group): Update use of
5574         Kept_section.  Rename secnum to shndx.  Only record
5575         Kept_comdat_section if sections are the same size.
5576         (Sized_relobj::include_linkonce_section): Update use of
5577         Kept_section.  Only record Kept_comdat_section if sections are the
5578         same size.  Set size of linkonce section.
5579         (Sized_relobj::map_to_kept_section): Update call to
5580         get_kept_comdat_section.
5581         * object.h (class Sized_relobj): Rename fields in
5582         Kept_comdat_section to drop trailing underscores; change object
5583         field to Relobj*.  Change Kept_comdat_section_table to store
5584         struct rather than pointer.
5585         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
5586         Add kept_object and kept_shndx parameters.  Change all callers.
5587         (Sized_relobj::get_kept_comdat_section): Change return type to
5588         bool.  Add kept_object and kept_shndx parameters.  Change all
5589         callers.
5590         * plugin.cc (Pluginobj::include_comdat_group): Update call to
5591         Layout::find_or_add_kept_section.
5593 2009-07-09  Ian Lance Taylor  <iant@google.com>
5595         * merge.cc (Object_merge_map::initialize_input_to_output_map):
5596         Reserve space in the hash table.
5598 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
5600         * fileread.cc (File_read::get_mtime): New method.
5601         * fileread.h (Timespec): New structure.
5602         (File_read::get_mtime): New method.
5603         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
5604         Renamed from timestamp_nsec.
5605         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
5606         Elf_Xword.
5607         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
5608         timestamp_nsec.
5609         (Incremental_inputs::report_archive): Save mtime; style fix.
5610         (Incremental_inputs::report_obejct): Save mtime; style fix.
5611         (Incremental_inputs::report_script): Save mtime; style fix.
5612         (Incremental_inputs::finalize_inputs): Style fix.
5613         (Incremental_inputs::finalize): Style fix.
5614         (Incremental_inputs::create_input_section_data): Store inputs
5615         mtime.
5616         * incremental.h (Incremental_inputs::report_script): Add mtime
5617         argument.
5618         (Incremental_inputs::Input_info::Input_info): Intialize only one
5619         union member.
5620         (Incremental_inputs::Input_info::archive): Move to nameless
5621         union.
5622         (Incremental_inputs::Input_info::obejct): Move to nameless union.
5623         (Incremental_inputs::Input_info::script): Move to nameless union.
5624         (Incremental_inputs::mtime): New field.
5625         * script.cc (read_input_script): Pass file mtime to
5626         Incremental_input.
5627         * script.h (Script_info::inputs): Style fix.
5629 2009-07-01  Ian Lance Taylor  <ian@airs.com>
5631         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
5632         instead of 32.
5634 2009-06-24  Ian Lance Taylor  <iant@google.com>
5636         PR 10156
5637         * layout.cc (Layout::choose_output_section): If we find an
5638         existing section, update the flags.
5639         (Layout::create_notes): New function, broken out of
5640         Layout::finalize.
5641         (Layout::finalize): Don't create note sections.
5642         (Layout::create_note): Don't crash if linker script discards
5643         section.
5644         (Layout::create_gold_note): Likewise.
5645         (Layout::create_build_id): Likewise.  Don't set
5646         after_input_sections on the section.
5647         (Layout::create_executable_stack_info): Remove target parameter.
5648         Change caller.
5649         * layout.h (class Layout): Declare create_notes.  Update
5650         declaration of create_executable_stack_info.
5651         * gold.cc (queue_middle_tasks): Call create_notes.
5652         * output.cc (Output_section::update_flags_for_input_section): Move
5653         here from output.h.  If SHF_ALLOC flag is newly set, mark address
5654         invalid.
5655         * output.h (Output_data::mark_address_invalid): New function.
5656         (class Output_section): Only declare, not define,
5657         update_flags_for_input_section.  Remove set_flags.
5659 2009-06-24  Ian Lance Taylor  <iant@google.com>
5661         * script-sections.cc (Output_section_definition::
5662         set_section_addresses): Rename shadowing local load_address to
5663         laddr.
5665 2009-06-24  Ian Lance Taylor  <iant@google.com>
5667         PR 10244
5668         * reloc.cc (relocate_sections): Skip empty relocation sections.
5670 2009-06-23  Ian Lance Taylor  <iant@google.com>
5672         PR 10156
5673         * layout.cc (Layout::create_note): Use choose_output_section
5674         rather than make_output_section.
5676 2009-06-23  Ian Lance Taylor  <iant@google.com>
5678         PR 10237
5679         * options.cc (General_options::parse_V): Set printed_version_.
5680         (General_options::General_options): Initialize printed_version_.
5681         * options.h (class General_options): Add printed_version_ field.
5682         * gold.cc (queue_initial_tasks): If there are no input files,
5683         don't give a fatal error if we printed the version information.
5684         (queue_middle_tasks): If using -r with a shared object, give a
5685         fatal error rather than an ordinary error.
5687 2009-06-23  Ian Lance Taylor  <iant@google.com>
5689         PR 10219
5690         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
5691         (Layout::make_output_section): Set have_stabstr_section_ if we see
5692         a .stab*str section.
5693         (Layout::finalize): Call link_stabs_sections.
5694         (Layout::link_stabs_sections): New file.
5695         * layout.h (class Layout): Add have_stabstr_section_ field.
5696         Declare link_stabs_sections.
5698 2009-06-23  Doug Kwan  <dougkwan@google.com>
5700         * Makefile.am (libgold_a_LIBADD): New.
5701         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
5702         * Makefile.in: Regenerate.
5703         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
5704         * configure: Regenerate.
5705         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
5706         * fileread.cc: Include sys/state.h
5707         * gold.h: Declare memmem and strndup if found missing.
5708         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
5710 2009-06-23  Ian Lance Taylor  <iant@google.com>
5712         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
5713         * configure: Rebuild.
5715 2009-06-23  Ian Lance Taylor  <iant@google.com>
5717         PR 10147
5718         * object.cc (Object::section_contents): Don't try to get a view if
5719         the section has length zero.
5720         (Object::handle_gnu_warning_section): If the section is empty, use
5721         the name of the section as the warning.
5723 2009-06-23  Ian Lance Taylor  <iant@google.com>
5725         PR 10133
5726         * stringpool.h (class Stringpool_template): Add optimize_ field.
5727         (Stringpool_template::set_optimize): New function.
5728         * stringpool.cc (Stringpool_template::Stringpool_template):
5729         Initialize optimize_ field.
5730         (Stringpool_template::set_string_offsets): Test local optimize
5731         fild rather than parameter.
5732         * layout.cc (Layout::Layout): Call set_optimize on the section
5733         name stringpool.
5735 2009-06-22  Ian Lance Taylor  <iant@google.com>
5737         PR 10030
5738         * yyscript.y: Parse TARGET.
5739         * script.cc (script_set_target): New function.
5740         * script-c.h (script_set_target): Declare.
5741         * options.cc (General_options::string_to_object_format): Rename
5742         from string_to_object_format in anonymous namespace.  Change
5743         callers.
5744         * options.h (class General_options): Declare
5745         string_to_object_format.
5747 2009-06-22  Ian Lance Taylor  <iant@google.com>
5749         * script-sections.cc (Script_sections::create_segments): Don't put
5750         program headers in a PT_LOAD segment if -n or -N.
5752 2009-06-22  Ian Lance Taylor  <iant@google.com>
5754         PR 10141
5755         * options.h (class General_options): Add -z lazy and -z now.  Sort
5756         -z options into alphabetical order.
5757         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
5759 2009-06-21  Ian Lance Taylor  <iant@google.com>
5761         * layout.cc (Layout::make_output_section): Call
5762         Target::new_output_section.
5763         (Layout::attach_allocated_section_to_segment): Put large section
5764         sections in a separate load segment with the large segment flag
5765         set.
5766         (Layout::segment_precedes): Sort large data segments after other
5767         load segments.
5768         (align_file_offset): New static function.
5769         (Layout::set_segment_offsets): Use align_file_offset.
5770         * output.h (class Output_section): Add is_small_section_ and
5771         is_large_section_ fields.
5772         (Output_section::is_small_section): New function.
5773         (Output_section::set_is_small_section):  New function.
5774         (Output_section::is_large_section): New function.
5775         (Output_section::set_is_large_section): New function.
5776         (Output_section::is_large_data_section): New function.
5777         (class Output_segment): Add is_large_data_segment_ field.
5778         (Output_segment::is_large_data_segment): New function.
5779         (Output_segment::set_is_large_data_segment): New function.
5780         * output.cc (Output_section::Output_section): Initialize new
5781         fields.
5782         (Output_segment::Output_segment): Likewise.
5783         (Output_segment::add_output_section): Add assertion that large
5784         data sections always go in large data segments.  Force small data
5785         sections to the end of the list of data sections.  Force small BSS
5786         sections to the start of the list of BSS sections.  For large BSS
5787         sections to the end of the list of BSS sections.
5788         * symtab.h (class Symbol): Declare is_common_shndx.
5789         (Symbol::is_defined): Check Symbol::is_common_shndx.
5790         (Symbol::is_common): Likewise.
5791         (class Symbol_table): Define enum Commons_section_type.  Update
5792         declarations.  Add small_commons_ and large_commons_ fields.
5793         * symtab.cc (Symbol::is_common_shndx): New function.
5794         (Symbol_table::Symbol_table): Initialize new fields.
5795         (Symbol_table::add_from_object): Put small and large common
5796         symbols in the right list.
5797         (Symbol_table::sized_finalized_symbol): Check
5798         Symbol::is_common_shndx.
5799         (Symbol_table::sized_write_globals): Likewise.
5800         * common.cc (Symbol_table::do_allocate_commons): Allocate new
5801         common symbol lists.  Don't call do_allocate_commons_list if the
5802         list is empty.
5803         (Symbol_table::do_allocate_commons_list): Remove is_tls
5804         parameter.  Add comons_section_type parameter.  Change all
5805         callers.  Handle small and large common symbols.
5806         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
5807         Symbol::is_common_shndx.
5808         * resolve.cc (symbol_to_bits): Likewise.
5809         * target.h (Target::small_common_shndx): New function.
5810         (Target::small_common_section_flags): New function.
5811         (Target::large_common_shndx): New function.
5812         (Target::large_common_section_flags): New function.
5813         (Target::new_output_section): New function.
5814         (Target::Target_info): Add small_common_shndx, large_common_shndx,
5815         small_common_section_flags, and large_common_section_flags
5816         fields.
5817         (Target::do_new_output_section): New virtual function.
5818         * arm.cc (Target_arm::arm_info): Initialize new fields.
5819         * i386.cc (Target_i386::i386_info): Likewise.
5820         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
5821         Likewise.
5822         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
5823         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5824         (Target_x86_64::do_new_output_section): New function.
5825         * configure.ac: Define conditional MCMODEL_MEDIUM.
5826         * testsuite/Makefile.am (check_PROGRAMS): Add large.
5827         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
5828         (large_LDFLAGS): Define.
5829         * testsuite/large.c: New file.
5830         * testsuite/testfile.cc (Target_test::test_target_info):
5831         Initialize new fields.
5832         * configure, testsuite/Makefile.in: Rebuild.
5834 2009-06-05  Doug Kwan  <dougkwan@google.com>
5836         * Makefile.am (CCFILES): Add target.cc.
5837         * Makefile.in: Regenerate.
5838         * i386.cc (class Target_i386): Define new virtual method to
5839         override do_is_local_label_name in parent.
5840         * object.cc (Sized_relobj::do_count_local_symbols): Discard
5841         local symbols if --discard-locals or -X is given.
5842         * options.h (class General_options): Declare new options
5843         '--discard-locals' and '-X' for discarding locals.
5844         * target.h (class Target): Define new methods is_local_label_name.
5845         Declare new virtual method do_is_local_label_name.
5846         * target.cc: New file.
5847         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
5848         (check_SCRIPTS): Add discard_locals_test.sh.
5849         (check_DATA): Add discard_local_tests.syms.
5850         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
5851         (discard_local_tests.syms, discard_locals_test.o): New make rules.
5852         * testsuite/Makefile.in: Regenerate.
5853         * testsuite/discard_locals_test.c: New file.
5854         * testsuite/discard_locals_test.sh: Same.
5856 2009-06-05  Doug Kwan  <dougkwan@google.com>
5858         * object.cc (Sized_relobj::Sized_relobj): Initialize
5859         discarded_eh_frame_shndx_ to -1U.
5860         (Sized_relobj::do_layout): Record index of a discard .eh_frame
5861         section.
5862         (Sized_relobj::do_count_local_symbols): Skip local symbols in
5863         a discarded .eh_frame section.
5864         (Sized_relobj::do_finalize_local_symbols): Ditto.
5865         * object.h (class Sized_relobj): Declare new member
5866         discarded_eh_frame_shndx_.
5867         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
5868         (local_labels_test.o, local_labels_test): New rules.
5869         * testsuite/Makefile.in: Regenerate.
5871 2009-06-04  Doug Kwan  <dougkwan@google.com>
5873         * layout.cc (Layout::section_name_mapping): Add mapping for
5874         special ARM sections.
5876 2009-06-03  Doug Kwan  <dougkwan@google.com>
5878         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
5879         (utils::has_overflow): Same.
5881 2009-06-03  Ian Lance Taylor  <iant@google.com>
5883         * layout.cc (Layout::section_name_mapping): New array, replacing
5884         Layout::linkonce_mapping.
5885         (Layout::section_name_mapping_count): New variable, replacing
5886         Layout::linkonce_mapping_count.
5887         (Layout::linkonce_output_name): Remove.
5888         (Layout::output_section_name): Rewrite.
5889         * layout.h (class Layout): Rename Linkonce_mapping to
5890         Section_name_mapping, linkonce_mapping to section_name_mapping,
5891         linkonce_mapping_count to section_name_mapping_count.  Don't
5892         declare linkonce_output_name.
5894 2009-06-03  Doug Kwan  <dougkwan@google.com>
5896         * gold/arm.cc (namespace utils): New.
5897         (Target_arm::reloc_is_non_pic): Define new method.
5898         (class Arm_relocate_functions): New.
5899         (Target_arm::Relocate::relocate): Handle relocation types used by
5900         Android.
5902 2009-06-03  Ian Lance Taylor  <iant@google.com>
5904         * arm.cc (Target_arm::scan::global): Use || instead of |.
5906 2009-06-02  Doug Kwan  <dougkwan@google.com>
5908         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
5909         issued_non_pic_error_.
5910         (class Target_arm::Scan): Declare new method check_non_pic.
5911         Define new method symbol_needs_plt_entry.
5912         Declare new data member issued_non_pic_error_.
5913         (class Target_arm::Relocate): Declare new method
5914         should_apply_static_reloc.
5915         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
5916         (Target_arm::Scan::check_non_pic): Define new method.
5917         (Target_arm::Scan::local): Handle a small subset of reloc types used
5918         by Android.
5919         (Target_arm::Scan::local): Same.
5920         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
5922 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
5924         * incremental.cc (Incremental_inputs::report_command_line): Filter
5925         out --incremental-* options.
5927 2009-05-29  Doug Kwan  <dougkwan@google.com>
5929         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
5930         template class.
5931         (class Target_arm): Update comment.
5932         (Target_arm::Target_arm): Initialize new data members GOT_,
5933         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
5934         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
5935         and Target_arm::rel_dyn_section.
5936         Declare new_enum Target_arm::Got_type.
5937         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
5938         and DYNBSS_.
5939         Update commments for member do_dynsym_value.
5940         (Target_arm::got_size, Target_arm::plt_section,
5941         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
5942         new methods inside class defintion.
5943         (Target_arm::got_section): Define new method.
5944         (Target_arm::rel_dyn_section): Same.
5945         (Output_data_plt_arm): New template class.
5946         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
5947         (Output_data_plt_arm:do_adjust_output_section): Define new method.
5948         (Output_data_plt_arm::add_entry): Same.
5949         (Output_data_plt_arm::first_plt_entry): Define new
5950         static data member for PLT instruction template.
5951         (Output_data_plt_arm::plt_entry): Same.
5952         (Output_data_plt_arm::do_write): Define new method.
5953         (Target_arm::make_plt_entry): Same.
5954         (Target_arm::do_finalize_sections): Same.
5955         (Target_arm::do_dynsym_value): Same.
5957 2009-05-28  Doug Kwan  <dougkwan@google.com>
5959         * Makefile.am (TARGETSOURCES): Add arm.cc.
5960         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
5961         * Makefile.in: Regenerate.
5962         * arm.cc: New file.
5963         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
5965 2009-05-26  Doug Kwan  <dougkwan@google.com>
5967         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
5968         (General_options::check_excluded_libs): Strip off directories in
5969         archive name before matching like GNU ld does.
5970         * testsuite/Makefile.am (MOSTLYCLEANFILES,
5971         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
5972         (exclude_libs_test_LDFLAGS): Add linker option
5973         -Wl,--exclude-libs,libexclude_libs_test_3
5974         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
5975         an explicit archive without using -l.
5976         (alt/libexclude_libs_test_3.a): New make rule.
5977         * testsuite/Makefile.in: Regenerate.
5978         * testsuite/exclude_libs_test.c : Declare lib3_default().
5979         (main): Call it.
5980         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
5981         * exclude_libs_test_3.c: New file.
5983 2009-05-26  Nick Clifton  <nickc@redhat.com>
5985         * po/id.po: New Indonesian translation.
5986         * po/gold.pot: Updated template file.
5988 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
5990         * testsuite/Makefile.am: Add -ffunction-sections to compile
5991         gc_comdat_test files.  Add -Wl,--gc-sections to build
5992         gc_comdat_test.
5993         * testsuite/Makefile.in: Regenerate.
5994         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
5996 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
5998         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
5999         kept comdat section was garbage collected.
6000         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
6001         * testsuite/Makefile.in: Regenerate.
6002         * testsuite/gc_comdat_test.sh: New file.
6003         * testsuite/gc_comdat_test_1.cc: New file.
6004         * testsuite/gc_comdat_test_2.cc: New file.
6006 2009-05-19  Doug Kwan  <dougkwan@google.com>
6008         * archive.cc (Archive::Archive): Move constructor from archive.h
6009         to here.  Initialize no_export_.
6010         (Archive::get_elf_object_for_member): Set no_export flag of object.
6011         * archive.h (Archive::Archive): Move constructor body to
6012         archive.cc.
6013         (Archive::no_export): New method.
6014         (Archive::no_export_): New field.
6015         * object.h (Object::Object): Initialize no_export_ to false.
6016         (Object::no_export, Object::set_no_export): New methods.
6017         (Object::no_export_): New field.
6018         * options.cc (General_options::parse_exclude_libs): New method.
6019         (General_options::check_excluded_libs) Same.
6020         * options.h (exclude_libs): New option.
6021         (General_options::check_excluded_libs): New method declaration.
6022         (General_options::excluded_libs_): New field.
6023         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
6024         default or protected visibility if an object has no-export flag set.
6025         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
6026         (check_SCRIPTS): Add exclude_libs_test.sh.
6027         (check_DATA): Add exclude_libs_test.syms.
6028         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
6029         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
6030         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
6031         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
6032         (exclude_libs_test.syms, libexclude_libs_test_1.a,
6033         libexclude_libs_test_2.a): New rules.
6034         * testsuite/Makefile.in: Regenerate.
6035         * testsuite/exclude_libs_test.c: New file.
6036         * testsuite/exclude_libs_test.sh: Ditto.
6037         * testsuite/exclude_libs_test_1.c: Ditto.
6038         * testsuite/exclude_libs_test_2.c: Ditto.
6040 2009-05-15  Ian Lance Taylor  <iant@google.com>
6042         * configure.ac: Check for declarations for cases where libiberty.h
6043         checks HAVE_DECL_xxx.
6044         * configure, config.in: Rebuild.
6046 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
6048         * gold.h (Incremental_argument_list): Remove (invalid) forward
6049         declaration.
6050         * incremental.cc (Incremental_inputs::report_achive): New method.
6051         (Incremental_inputs::report_object): New method.
6052         (Incremental_inputs::report_script): New method.
6053         (Incremental_inputs::finalize_inputs): New method.
6054         (Incremental_inputs::finalize): Call finalize_inputs().
6055         (Incremental_inputs::sized_create_incremental_inputs_section_data):
6056         Create inputs entries.
6057         * incremental.h (Incremental_input_type): New enum.
6058         (Incremental_inputs::Incremental_input): Initialize new fields.
6059         (Incremental_inputs::report_inputs): New method.
6060         (Incremental_inputs::report_achive): New method.
6061         (Incremental_inputs::report_object): New method.
6062         (Incremental_inputs::report_script): New method.
6063         (Incremental_inputs::finalize_inputs): New method.
6064         (Incremental_inputs::Input_info): New struct.
6065         (Incremental_inputs::Input_info_map): New typedef.
6066         (Incremental_inputs::lock_): New field.
6067         (Incremental_inputs::Inputs_): New field.
6068         (Incremental_inputs::Inputs_map): New field.
6069         * main.cc (main): Call Incremental_input::report_inputs.
6070         * options.h (Input_argument_list): Typedef moved from
6071         Input_arguments.
6072         (Input_file_group::Files): Remove, use ::Input_argument_list.
6073         (Input_file_group::Input_argument_list): Remove, use
6074         ::Input_argument_list.
6075         * plugin.cc (Plugin_manager::add_input_file): Add error in
6076         incremental build.
6077         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
6078         functions.
6079         * script.cc (read_input_script): Call
6080         Incremental_input::report_script.
6081         * script.h (Script_info): New class.
6083 2009-04-27  Ian Lance Taylor  <iant@google.com>
6085         * x86_64.cc (do_adjust_output_section): Set entsize to
6086         plt_entry_size.
6088 2009-04-23  Elliott Hughes  <enh@google.com>
6090         * output.cc (Output_file::close): After short writes, continue
6091         writing from the correct offset in the buffer being written.
6093 2009-04-23  Chris Demetriou  <cgd@google.com>
6095         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
6096         * configure: Regenerate.
6097         * config.in: Regenerate.
6098         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
6099         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
6101 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
6103         * incremental.cc (Incremental_inputs_header_data): Renamed from
6104         Incremental_input_header_data.
6105         (Incremental_inputs_header_data::data_size): New field.
6106         (Incremental_inputs_header_data::put_input_file_count): Renamed
6107         from input_file_count.
6108         (Incremental_inputs_header_data::put_command_line_offset): Renamed
6109         from command_line_offset.
6110         (Incremental_inputs_header_data::put_reserved): Renamed from
6111         put_reserved.
6112         (Incremental_inputs_entry_data): Renamed from
6113         Incremental_input_entry_data.
6114         (Incremental_inputs_entry_data::data_size): New field.
6115         (Incremental_inputs::report_command_line): New method.
6116         (Incremental_inputs::finalize): New method.
6117         (Incremental_inputs::create_incremental_inputs_data): New method.
6118         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
6119         * incremental.h: New file.
6120         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
6121        (Layout::finalize): Create incremental inputs section in
6122         incremental builds.
6123        (Layout::create_incremental_info_sections): New method.
6124         * layout.h (Layout::incremental_inputs): New method.
6125        (Layout::create_incremental_info_sections): New method.
6126        (Layout::incremental_inputs_): New field.
6127         * main.cc (main): Notify Incremental_input of the command line.
6129 2009-04-01  Ian Lance Taylor  <iant@google.com>
6130             Mikolaj Zalewski  <mikolajz@google.com>
6132         * gold.h (reserve_unordered_map): Define, three versions, one for
6133         each version of Unordered_map.
6134         * layout.cc (Layout::Layout): Remove options parameter.  Add
6135         number_of_input_files parameter.  Don't initialize options_.
6136         Initialize number_of_input_files_ and resized_signatures_.  Move
6137         sections_are_attached_.
6138         (Layout::layout_group): Reserve space for group_signatures_.
6139         (Layout::find_or_add_kept_section): Change name parameter to be a
6140         reference.  Resize signatures_ map when it gets large enough.
6141         (Layout::layout_eh_frame): Use parameters->options() instead of
6142         this->options_.
6143         (Layout::make_output_section): Likewise.
6144         (Layout::attach_allocated_section_to_segment): Likewise.
6145         (Layout::finalize, Layout::create_executable_stack): Likewise.
6146         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
6147         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
6148         * layout.h (class Layout): Update declarations.  Remove options_
6149         field.  Add number_of_input_files_ and resized_signatures_
6150         fields.  Move sections_are_attached_ field.
6151         * main.cc (main): Pass number of input files to Layout
6152         constructor.  Don't pass options.
6154 2009-03-30  Ian Lance Taylor  <iant@google.com>
6156         * ffsll.c (ffsll): Correct implementation.
6158 2009-03-27  Ian Lance Taylor  <iant@google.com>
6160         * ffsll.c: New file.
6161         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
6162         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
6163         * ftruncate.c (ftruncate): Declare before definition.
6164         * mremap.c (mremap): Likewise.
6165         * pread.c (pread): Likewise.
6166         * configure, Makefile.in, config.in: Rebuild.
6168         * mremap.c: New file.
6169         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
6170         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
6171         (mremap): Declare if HAVE_MREMAP is not defined.
6172         * configure, Makefile.in, config.in: Rebuild.
6174 2009-03-27  Cary Coutant  <ccoutant@google.com>
6176         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
6177         position independent.
6178         * sparc.cc (Target_sparc::check_non_pic): Likewise.
6179         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
6181 2009-03-24  Cary Coutant  <ccoutant@google.com>
6183         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
6184         an executable.
6185         (needs_dynamic_reloc): Likewise.
6187 2009-03-24  Ian Lance Taylor  <iant@google.com>
6189         * yyscript.y (file_cmd): Recognize EXTERN.
6190         (extern_name_list, extern_name_list_body): New nonterminals.
6191         * script.cc (script_add_extern): Define.
6192         * script-c.h (script_add_extern): Declare.
6194 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
6196         * object.cc (is_elf_object): Define.
6197         * object.h (is_elf_object): Declare.
6198         * archive.cc (Archive::get_elf_object_for_member): Call
6199         is_elf_object.
6200         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
6202 2009-03-24  Elliott Hughes  <enh@google.com>
6204         * output.cc (Output_file::map_anonymous): Define.
6205         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
6206         try an anonymous one.  Report the size if the mmap fails.
6207         * output.h (class Output_file): Declare map_anonymous.
6209 2009-03-24  Ian Lance Taylor  <iant@google.com>
6211         * target-select.cc (instantiate_target): Don't acquire the lock if
6212         the instantiated_target_ field has already been set.
6214 2009-03-23  Ian Lance Taylor  <iant@google.com>
6216         * gold-threads.h (class Initialize_lock): Define.
6217         * gold-threads.cc (class Initialize_lock_once): Define.
6218         (initialize_lock_control): New static variable.
6219         (initialize_lock_pointer): New static variable.
6220         (initialize_lock_once): New static function.
6221         (Initialize_lock::Initialize_lock): Define.
6222         (Initialize_lock::initialize): Define.
6223         * target-select.h: Include "gold-threads.h".
6224         (class Target_selector): Add lock_ and initialize_lock_ fields.
6225         Don't define instantiate_target, just declare it.
6226         * target-select.cc (Target_selector::Target_selector): Initialize
6227         new fields.
6228         (Target_selector::instantiate_target): Define.
6229         * descriptors.h: Include "gold-threads.h".
6230         (class Descriptors): Add initialize_lock_ field.
6231         * descriptors.cc (Descriptors::Descriptors): Initialize new
6232         field.
6233         (Descriptors::open): Use initialize_lock_ field
6234         * errors.h (class Errors): Add initialize_lock_ field.
6235         * errors.cc (Errors::Errors): Initialize new field.
6236         (Errors::initialize_lock): Use initialize_lock_ field.
6237         * powerpc.cc (class Target_selector_powerpc): Remove
6238         instantiated_target_ field.  In do_recognize call
6239         instantiate_target rather than do_instantiate_target.  In
6240         do_instantiate_target just allocate a new target.
6241         * sparc.cc (class Target_selector_sparc): Likewise.
6243         * freebsd.h: New file.
6244         * i386.cc: Include "freebsd.h".
6245         (Target_i386): Derive from Target_freebsd rather than
6246         Sized_target.
6247         (Target_selector_i386): Derive from Target_selector_freebsd rather
6248         than Target_selector.
6249         * x86_64.cc: Include "freebsd.h".
6250         (Target_x86_64): Derive from Target_freebsd rather than
6251         Sized_target.
6252         (Target_selector_x86_64): Derive from Target_selector_freebsd
6253         rather than Target_selector.
6254         * target.h (class Target): Add adjust_elf_header and
6255         do_adjust_elf_header.
6256         * output.cc (Output_file_header:: do_sized_write): Call target
6257         adjust_elf_header routine.
6258         * configure.tgt: Set targ_osabi.
6259         * configure.ac: Define GOLD_DEFAULT_OSABI.
6260         * parameters.cc (Parameters::default_target): Pass
6261         GOLD_DEFAULT_OSABI to select_target.
6262         * target-select.h (class Target_selector): Make instantiate_target
6263         protected rather than private.
6264         * Makefile.am (HFILES): Add freebsd.h.
6265         * configure, Makefile.in, config.in: Rebuild.
6267         * merge.cc (do_add_input_section): Correct pend value.  Change
6268         message about last entry not being null terminated from error to
6269         warning.
6271 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
6273         * incremental.cc: New file.
6274         * Makefile.am (CCFILES): Add incremental.cc.
6275         * Makefile.in: Rebuild.
6277 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
6279         * layout.cc (Layout::output_section_name): Preserve names
6280         of '.note.' sections.
6282 2009-03-19  Ian Lance Taylor  <iant@google.com>
6284         * descriptors.cc (Descriptors::open): Check that the options are
6285         valid before using them.
6287 2009-03-18  Ian Lance Taylor  <iant@google.com>
6289         * script-sections.h: Include <list>.
6290         (class Script_sections): Change Sections_elements from std::vector
6291         to std::list.  Typedef public Elements_iterator.  Add
6292         orphan_section_placement_, data_segment_align_start_, and
6293         saw_data_segment_align_ fields.  Remove data_segment_align_index_
6294         field.
6295         * script-sections.cc (class Orphan_section_placement): New class.
6296         (class Sections_element): Add virtual functions is_relro and
6297         orphan_section_init.  Remove virtual function place_orphan_here.
6298         (class Output_section_definition): Add is_relro and
6299         orphan_section_init.  Remove place_orphan_here.
6300         (class Orphan_output_section): Likewise.
6301         (Script_sections::Script_sections): Update for field changes.
6302         (Script_sections::data_segment_align): Set saw_data_segment_align_
6303         and data_segment_align_start_, not data_segment_align_index.
6304         (Script_sections::data_segment_relro_end): Check
6305         saw_data_segment_align_.  Use data_segment_align_start_ rather
6306         than data_segment_align_index_.
6307         (Script_sections::place_orphan): Rewrite to use
6308         Orphan_section_placement.
6310 2009-03-17  Ian Lance Taylor  <iant@google.com>
6312         * archive.cc (Archive::add_symbols): Check for a version attached
6313         to the symbol name in the archive map.
6314         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6315         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6316         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6317         (ver_test_11.a): New target.
6318         * testsuite/Makefile.in: Rebuild.
6320         * configure.ac: Check for chsize and posix_fallocate.  Replace
6321         ftruncate.
6322         * ftruncate.c: New file, from gnulib.
6323         * output.cc (posix_fallocate): Define dummy version if not
6324         HAVE_POSIX_FALLOCATE.
6325         (Output_file::map): Call posix_fallocate rather than lseek and
6326         write.
6327         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6328         * configure, Makefile.in, config.in: Rebuild.
6330 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
6332         * layout.h (Layout::create_note): Add section_name parameter.
6333         * layout.cc (Layout::create_note): Likewise.
6334         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6336 2009-03-17  Ian Lance Taylor  <iant@google.com>
6338         * descriptors.cc: Include "options.h".
6339         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6340         (Descriptors::open): Always use O_CLOEXEC when opening a new
6341         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
6342         then set FD_CLOEXEC.
6344         * sparc.cc (class Target_sparc): Add has_got_section.
6345         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6346         make sure we have a GOT section.
6348         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6349         (Target_sparc::Scan::local): Likewise.
6350         (Target_sparc::Scan::global): Likewise.
6351         (Target_sparc::Relocate::relocate): Likewise.
6352         (Target_sparc::Relocate::relocate_tls): Likewise.
6354         * symtab.cc (Symbol_table::define_default_version): New function,
6355         broken out of add_from_object.
6356         (Symbol_table::add_from_object): Call define_default_version.
6357         (Symbol_table::define_special_symbol): Add resolve_oldsym
6358         parameter.  Change all callers.  If the version for a symbol comes
6359         from a version script, resolve it with the symbol with the same
6360         name with no version.  Also add the symbol without a version if
6361         appropriate.
6362         (do_define_in_output_data): If resolving with oldsym, don't delete
6363         sym.
6364         (do_define_in_output_segment): Likewise.
6365         (do_define_as_constant): Likewise.
6366         * symtab.h (class Symbol_table): Update declarations.
6368 2009-03-13  Ian Lance Taylor  <iant@google.com>
6370         * readsyms.cc (Read_symbols::incompatible_warning): New function.
6371         (Read_symbols::requeue): New function.
6372         (Read_symbols::do_read_symbols): If make_elf_object fails because
6373         the target type is not configured, and the file was searched for,
6374         issue a warning and retry with the next directory.
6375         (Add_symbols::run): If the file has an incompatible format, and
6376         it was searched for, requeue the Read_symbols task.  On error,
6377         release the object.
6378         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
6379         dirindex parameter to constructor.  Change all callers.  Declare
6380         incompatible_warning and requeue.
6381         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6382         input_argument_ and input_group_ fields.  Add them to
6383         constructor.  Change all callers.
6384         (class Read_script): Add dirindex_ field.  Add it to constructor.
6385         Change all callers.
6386         * archive.cc (Archive::setup): Remove input_objects parameter.
6387         Change all callers.
6388         (Archive::get_file_and_offset): Likewise.
6389         (Archive::read_all_symbols): Likewise.
6390         (Archive::read_symbols): Likewise.
6391         (Archive::get_elf_object_for_member): Remove input_objects
6392         parameter.  Add punconfigured parameter.  Change all callers.
6393         (Archive::add_symbols): Change return type to bool.  Check return
6394         value of include_member.
6395         (Archive::include_all_members): Likewise.
6396         (Archive::include_member): Change return type to bool.  Return
6397         false if first included object has incompatible target.  Set
6398         included_member_ field.
6399         (Add_archive_symbols::run): If add_symbols returns false, requeue
6400         Read_symbols task.
6401         * archive.h (class Archive): Add included_member_ field.
6402         Initialize it in constructor.  Add input_file and searched_for
6403         methods.  Update declarations.
6404         (class Add_archive_symbols): Add dirpath_, dirindex_, and
6405         input_argument_ fields.  Add them to constructor.  Change all
6406         callers.
6407         * script.cc: Include "target-select.h".
6408         (class Parser_closure): Add skip_on_incompatible_target_ and
6409         found_incompatible_target_ fields.  Add
6410         skip_on_incompatible_target parameter to constructor.  Change all
6411         callers.  Add methods skip_on_incompatible_target,
6412         clear_skip_on_incompatible_target, found_incompatible_target, and
6413         set_found_incompatible_target.
6414         (read_input_script): Add dirindex parameter.  Change all callers.
6415         If parser finds an incompatible target, requeue Read_symbols
6416         task.
6417         (script_set_symbol): Clear skip_on_incompatible_target in
6418         closure.
6419         (script_add_assertion, script_parse_option): Likewise.
6420         (script_start_sections, script_add_phdr): Likewise.
6421         (script_check_output_format): New function.
6422         * script.h (read_input_script): Update declaration.
6423         * script-c.h (script_check_output_format): Declare.
6424         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6425         (ignore_cmd): Remove OUTPUT_FORMAT.
6426         * fileread.cc (Input_file::Input_file): Add explicit this.
6427         (Input_file::will_search_for): New function.
6428         (Input_file::open): Add pindex parameter.  Change all callers.
6429         * fileread.h (class Input_file): Add input_file_argument method.
6430         Declare will_search_for.  Update declarations.
6431         * object.cc (make_elf_object): Add punconfigured parameter.
6432         Change all callers.
6433         * object.h (class Object): Make input_file public.  Add
6434         searched_for method.
6435         (make_elf_object): Update declaration.
6436         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
6437         restart search.
6438         * dirsearch.h (class Dirsearch): Update declaration.
6439         * options.h (class General_options): Add --warn-search-mismatch.
6440         * parameters.cc (Parameters::is_compatible_target): New function.
6441         * parameters.h (class Parameters): Declare is_compatible_target.
6442         * workqueue.cc (Workqueue::add_blocker): New function.
6443         * workqueue.h (class Workqueue): Declare add_blocker.
6445         * fileread.cc (Input_file::open): Remove options parameter.
6446         Change all callers.
6447         (Input_file::open_binary): Likewise.
6448         * script.cc (read_input_script): Likewise.
6449         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
6450         options parameter from constructor.  Change all callers.
6451         (class Read_script): Likewise.
6452         * fileread.h (class Input_file): Update declarations.
6453         * script.h (read_input_script): Update declaration.
6455 2009-03-10  Nick Clifton  <nickc@redhat.com>
6457         * po/es.po: New Spanish translation.
6459 2009-03-06  Cary Coutant  <ccoutant@google.com>
6461         * options.cc (parse_short_option): Keep dash_z from registering itself.
6463 2009-03-03  Ian Lance Taylor  <iant@google.com>
6465         PR 9918
6466         * target-reloc.h (relocate_section): Pass output_section to
6467         relocate.
6468         * i386.cc (Target_i386::should_apply_static_reloc): Add
6469         output_section parameter.  Change all callers.
6470         (Target_i386::Relocate::relocate): Add output_section parameter.
6471         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6472         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6473         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6474         * testsuite/two_file_shared.sh: New script.
6475         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6476         (check_DATA): Add two_file_shared.dbg.
6477         (two_file_shared.dbg): New target.
6478         * testsuite/Makefile.in: Rebuild.
6480 2009-03-01  Ian Lance Taylor  <iant@google.com>
6482         * configure.ac: Check for byteswap.h.
6483         * configure: Rebuild.
6484         * config.in: Rebuild.
6486 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
6488         * layout.cc (Layout::find_or_add_kept_section): New function.
6489         (Layout::add_comdat): Removed.
6490         * layout.h (struct Kept_section): Move out of class Layout.
6491         Remove trailing underscores from field names.  Add group_sections
6492         field.  Rename group_ field to is_group.  Change all uses.
6493         (class Layout): Declare find_or_add_kept_section, not add_comdat.
6494         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6495         comdat_groups_ field.
6496         (Sized_relobj::include_section_group): Use
6497         find_or_add_kept_section and Kept_section::group_sections.
6498         (Sized_relobj::include_linkonce_section): Likewise.
6499         * object.cc (class Sized_relobj): Don't define Comdat_group or
6500         Comdat_group_table.  Remove find_comdat_group and
6501         add_comdat_group.  Remove comdat_groups_ field.
6502         * plugin.cc (include_comdat_group): Use
6503         Layout::find_or_add_kept_section.
6505 2009-02-28  Ian Lance Taylor  <iant@google.com>
6507         * README: --gc-sections and map files are now supported.  Document
6508         some build requirements.
6510         PR 6992
6511         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6512         relocatable link set the value of the section symbol to zero.
6513         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
6514         relocatable link don't include the section address in the local
6515         symbol value.
6517 2009-02-27  Ian Lance Taylor  <iant@google.com>
6519         PR 6811
6520         * options.h (class Search_directory): Add is_system_directory.
6521         (class General_options): Declare is_in_system_directory.
6522         * options.cc (get_relative_sysroot): Make static.
6523         (get_default_sysroot): Make static.
6524         (General_optoins::is_in_system_directory): New function.
6525         * fileread.cc (Input_file::is_in_system_directory): New function.
6526         * fileread.h (class Input_file): Declare is_in_system_directory.
6527         * object.h (class Object): Add is_in_system_directory.
6528         (class Input_objects): Remove system_library_directory_ field.
6529         * object.cc (Input_objects::add_object): Don't set
6530         system_library_directory_.
6531         (input_objects::found_in_system_library_directory): Remove.
6532         * symtab.cc (Symbol_table::write_globals): Remove input_objects
6533         parameter.  Change all callers.
6534         (Symbol_table::sized_write_globals): Likewise.
6535         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
6536         Call Object::is_in_system_directory.
6537         * symtab.h (class Symbol_table): Update declarations.
6539         PR 5990
6540         * descriptors.h (Open_descriptor): Add is_on_stack field.
6541         * descriptors.cc (Descriptors::open): If the descriptor is on the
6542         top of the stack, remove it.  Initialize is_on_stack field.
6543         (Descriptors::release): Only add pod to stack if it is not on the
6544         stack already.
6545         (Descriptors::close_some_descriptor): Clear stack_next and
6546         is_on_stack fields.
6548         PR 7091
6549         * output.cc (Output_section::find_starting_output_address): Rename
6550         from starting_output_address; add PADDR parameter; change return
6551         type.
6552         * output.h (class Output_section): Declare
6553         find_starting_output_address instead of starting_output_address.
6554         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
6555         section symbol for which we can't find a merge section.
6557         PR 9836
6558         * symtab.cc (Symbol_table::add_from_object): If the visibility is
6559         hidden or internal, force the symbol to be local.
6560         * resolve.cc (Symbol::override_visibility): Define.
6561         (Symbol::override_base): Use override_visibility.
6562         (Symbol_table::resolve): Likewise.
6563         (Symbol::override_base_with_special): Likewise.
6564         (Symbol_table::override_with_special): If the visibility is hidden
6565         or internal, force the symbol to be local.
6566         * symtab.h (class Symbol): Add set_visibility and
6567         override_visibility.
6568         * testsuite/ver_test_1.sh: New file.
6569         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
6570         (check_DATA): Add ver_test_1.syms.
6571         (ver_test_1.syms): New target.
6572         * testsuite/Makefile.in: Rebuild.
6574 2009-02-25  Cary Coutant  <ccoutant@google.com>
6576         * layout.cc (Layout::choose_output_section): Don't rename sections
6577         when using a linker script that has a SECTIONS clause.
6578         * Makefile.in: Regenerate.
6580         * testsuite/Makefile.am (script_test_5.sh): New test case.
6581         * testsuite/Makefile.in: Regenerate.
6582         * testsuite/script_test_5.cc: New file.
6583         * testsuite/script_test_5.sh: New file.
6584         * testsuite/script_test_5.t: New file.
6586 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
6588         * archive.cc (Archive::include_member): Update calls to add_symbols.
6589         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
6590         the Layout argument.
6591         * dynobj.h (do_add_symbols): Add the Layout argument.
6592         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
6593         Layout argument.
6594         * object.h (Object::add_symbols): Add the Layout argument.
6595         (Object::do_add_symbols): Add the Layout argument.
6596         (Sized_relobj::do_add_symbols): Add the Layout argument.
6597         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
6598         Unify the two versions.
6599         (Add_plugin_symbols): Remove.
6600         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
6601         (Sized_pluginobj::do_add_symbols): Unify the two versions.
6602         (Add_plugin_symbols): Remove.
6603         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
6604         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
6605         (Add_symbols::run): Make it work with Pulginobj.
6607 2009-02-06  Ian Lance Taylor  <iant@google.com>
6609         * object.cc (Sized_relobj::do_layout): Make info message start
6610         with lower case letter.
6612 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
6614         * binary.cc: Fix file comment.
6616         * options.h (enum Incremental_disposition): Define.
6617         (class General_options): Add new options: --incremental,
6618         --incremental_changed, --incremental_unchanged,
6619         --incremental_unknown.  Add incremental_disposition_ and
6620         implicit_incremental_ fields.
6621         (General_options::incremental_disposition): New function.
6622         (class Position_dependent_options): Add incremental_disposition
6623         option.
6624         (Position_dependent_options::copy_from_options): Set incremental
6625         dispositions.
6626         * options.cc (General_options::parse_incremental_changed): New
6627         function.
6628         (General_options::parse_incremental_unchanged): New function.
6629         (General_options::parse_incremental_unknown): New function.
6630         (General_options::General_options): Initialize new fields
6631         incremental_disposition_ and implicit_incremental_.
6632         (General_options::finalize): Check for uasge of --incremental-*
6633         without --incremental.
6635 2009-02-06  Chris Demetriou  <cgd@google.com>
6637         * gold.h (gold_undefined_symbol): Change to take only a Symbol
6638         pointer and to report location as the file name associated with
6639         the symbol.
6640         (gold_undefined_symbol_at_location): New function to replace the
6641         old gold_undefined_symbol functionality.
6642         * target-reloc.h (relocate_section): Update to use
6643         gold_undefined_symbol_at_location.
6644         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6645         Call gold_undefined_symbol function rather than gold_error.
6646         * errors.h (Errors::undefined_symbol): Take location as a
6647         string, rather than calculating it from a relocation.
6648         * errors.cc (Errors::fatal): Print "fatal error:" before the
6649         formatted message.
6650         (Errors::error, Errors::error_at_location): Print "error: "
6651         before the formatted message.
6652         (Errors::undefined_symbol): Take location as a string, rather
6653         than calculating it from a relocation.
6654         (gold_undefined_symbol_at_location): New function akin to
6655         old gold_undefined_symbol, calculates location from relocation.
6656         (gold_undefined_symbol): Change to take only a Symbol pointer
6657         and to report location as the file name associated with the symbol.
6658         * testsuite/debug_msg.sh: Update for changed error messages.
6659         * testsuite/undef_symbol.sh: Likewise.
6661 2009-02-04  Duncan Sands  <baldrick@free.fr>
6663         PR 9812
6664         * reduced_debug_output.h
6665         (Output_reduced_debug_abbrev_section::failed): Use format for
6666         gold_warning.
6667         (Output_reduced_debug_info_section::faild): Likewise.
6669 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
6671         * script.cc (Lazy_demangler): New class.
6672         (Version_script_info::get_symbol_version_helper): Demangle a
6673         symbol only once.
6675 2009-01-29  Cary Coutant  <ccoutant@google.com>
6677         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
6678         to __tls_get_addr.
6679         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6681 2009-01-28  Ian Lance Taylor  <iant@google.com>
6683         * version.cc (version_string): Bump to 1.9.
6685         * gold.h: Include <cstring> and <stdint.h>.
6686         * version.cc: Include <cstdio>.
6687         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
6688         warning.
6689         * reduced_debug_output.cc (insert_into_vector): Rename from
6690         Insert_into_vector; change all callers.  Use Swap_unaligned to
6691         avoid aliasing issue; remove union since it is unnecessary.
6693 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
6695         * Makefile.am (CCFILES): Add gc.cc.
6696         (HFILES): Add gc.h.
6697         * Makefile.in: Regenerate.
6698         * gold.cc (Gc_runner): New class.
6699         (queue_initial_tasks): Call garbage collection related tasks
6700         when corresponding options are invoked.
6701         (queue_middle_gc_tasks): New function.
6702         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
6703         processed early before laying out sections during garbage collection.
6704         * gold.h (queue_middle_gc_tasks): New function.
6705         (is_prefix_of): Move from "layout.cc".
6706         * i386.cc (Target_i386::gc_process_relocs): New function.
6707         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
6708         * main.cc (main): Create object of class "Garbage_collection".
6709         * object.cc (Relobj::copy_symbols_data): New function.
6710         (Relobj::is_section_name_included): New function.
6711         (Sized_relobj::do_layout): Allow this function to be called twice
6712         during garbage collection and defer layout of section during the
6713         first call.
6714         * object.h (Relobj::get_symbols_data): New function.
6715         (Relobj::is_section_name_included): New function.
6716         (Relobj::copy_symbols_data): New function.
6717         (Relobj::set_symbols_data): New function.
6718         (Relobj::get_relocs_data): New function.
6719         (Relobj::set_relocs_data): New function.
6720         (Relobj::is_output_section_offset_invalid): New pure virtual function.
6721         (Relobj::gc_process_relocs): New function.
6722         (Relobj::do_gc_process_relocs): New pure virtual function.
6723         (Relobj::sd_): New data member.
6724         (Sized_relobj::is_output_section_offset_invalid): New function.
6725         (Sized_relobj::do_gc_process_relocs): New function.
6726         * options.h (General_options::gc_sections): Modify to not be a no-op.
6727         (General_options::print_gc_sections): New option.
6728         * plugin.cc (Plugin_finish::run): Remove function call to
6729         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
6730         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
6731         * reloc.cc (Read_relocs::run): Add task to process relocs and
6732         determine unreferenced sections when doing garbage collection.
6733         (Gc_process_relocs): New class.
6734         (Sized_relobj::do_gc_process_relocs): New function.
6735         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
6736         sections that are garbage collected.
6737         * reloc.h (Gc_process_relocs): New class.
6738         * sparc.cc (Target_sparc::gc_process_relocs): New function.
6739         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
6740         symbols whose corresponding sections are garbage collected.
6741         (Symbol_table::Symbol_table): Add new parameter for the garbage
6742         collection object.
6743         (Symbol_table::gc_mark_undef_symbols): New function.
6744         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6745         (Symbol_table::gc_mark_dyn_syms): New function.
6746         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
6747         as garbage.
6748         (Symbol_table::add_from_object): Likewise.
6749         (Symbol_table::add_from_relobj): When building shared objects, do not
6750         treat externally visible symbols as garbage.
6751         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
6752         table information for static and relocatable links.
6753         * symtab.h (Symbol_table::set_gc): New function.
6754         (Symbol_table::gc): New function.
6755         (Symbol_table::gc_mark_undef_symbols): New function.
6756         (Symbol_table::gc_mark_symbol_for_shlib): New function.
6757         (Symbol_table::gc_mark_dyn_syms): New function.
6758         (Symbol_table::gc_): New data member.
6759         * target.h (Sized_target::gc_process_relocs): New pure virtual
6760         function.
6761         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
6762         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
6764 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
6766         * options.h (General_options::gc_sections): Define as a no-op for now.
6767         (General_options::no_keep_memory): Ditto.
6768         (General_options::Bshareable): Define.
6769         * options.cc (General_options::finalize): Honor -Bshareable.
6771 2009-01-20  Andreas Schwab  <schwab@suse.de>
6773         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
6774         read the value in the contents, since we don't use it.  Use the
6775         template endianness when writing.
6776         (Relocate::relocate): Use it for R_PPC_REL16_HA.
6778 2009-01-19  Andreas Schwab  <schwab@suse.de>
6780         * configure.tgt (powerpc64-*): Fix targ_obj.
6782 2009-01-15  Ian Lance Taylor  <iant@google.com>
6784         * object.cc (Sized_relobj::write_local_symbols): Don't write out
6785         local symbols when stripping all symbols.
6787 2009-01-14  Cary Coutant  <ccoutant@google.com>
6789         * output.cc (Output_reloc): Add explicit instantiations.
6791 2009-01-14  Cary Coutant  <ccoutant@google.com>
6793         * archive.cc (Archive::get_elf_object_for_member): Remove call
6794         to File_read::claim_for_plugin.
6795         * descriptors.cc (Descriptors::open): Remove reference to
6796         is_claimed.
6797         (Descriptors::claim_for_plugin): Remove.
6798         * descriptors.h (Descriptors::claim_for_plugin): Remove.
6799         (Descriptors::is_claimed): Remove.
6800         (claim_descriptor_for_plugin): Remove.
6801         * fileread.cc (File_read::claim_for_plugin): Remove.
6802         * fileread.h (File_read::claim_for_plugin): Remove.
6803         (File_read::descriptor): Reopen descriptor if necessary.
6804         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
6805         (Plugin_manager::all_symbols_read): Add task parameter. Change
6806         all callers.
6807         (Plugin_manager::get_input_file): New function.
6808         (Plugin_manager::release_input_file): New function.
6809         (Pluginobj::Pluginobj): Add filesize parameter and initialize
6810         corresponding data member.
6811         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
6812         and pass to base constructor. Change all callers.
6813         (get_input_file, release_input_file): New functions.
6814         (make_sized_plugin_object): Add filesize parameter. Change all callers.
6815         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
6816         (Plugin_manager::all_symbols_read): Add task parameter.
6817         (Plugin_manager::get_input_file): New function.
6818         (Plugin_manager::release_input_file): New function.
6819         (Plugin_manager::task_): New data member.
6820         (Pluginobj::Pluginobj): Add filesize parameter.
6821         (Pluginobj::filename): New function.
6822         (Pluginobj::descriptor): New function.
6823         (Pluginobj::filesize): New function.
6824         (Pluginobj::filesize_): New data member.
6825         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
6826         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
6827         File_read::claim_for_plugin; use Object::unlock to unlock the file.
6829         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
6830         with archive libraries.
6831         * testsuite/Makefile.in: Regenerate.
6832         * testsuite/plugin_test.c (struct sym_info): New type.
6833         (get_input_file, release_input_file): New static variables.
6834         (onload): Capture new transfer vector entries.
6835         (claim_file_hook): Stop reading at end of file according to filesize.
6836         Factor out parsing of readelf output into separate function.
6837         (all_symbols_read_hook): Exercise get_input_file and release_input_file
6838         APIs and get the source file name from the symbol table.  Convert
6839         source file name to corresponding object file name.  Print info
6840         message when adding new input files.
6841         (parse_readelf_line): New function.
6842         * testsuite/plugin_test_1.sh: Add checks for new info messages.
6843         * testsuite/plugin_test_2.sh: Likewise.
6844         * testsuite/plugin_test_3.sh: Likewise.
6845         * testsuite/plugin_test_4.sh: New test case.
6847 2009-01-07  Ian Lance Taylor  <iant@google.com>
6849         * version.cc (version_string): Bump to 1.8.
6851 2008-12-23  Cary Coutant  <ccoutant@google.com>
6853         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
6854         * plugin.cc (Plugin_manager::finish): Rename as
6855         layout_deferred_objects.  Move cleanup to separate function.
6856         (Plugin_manager::cleanup): New function.
6857         (Plugin_finish::run): Call layout_deferred_objects and cleanup
6858         separately.
6859         * plugin.h (Plugin_manager::finish): Rename as
6860         layout_deferred_objects.
6861         (Plugin_manager::cleanup): New function.
6862         (Plugin_manager::cleanup_done): New field.
6864 2008-12-23  Cary Coutant  <ccoutant@google.com>
6866         * plugin.cc (is_visible_from_outside): New function.
6867         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
6868         so we don't return "IR only" status for exported symbols or -r links.
6870         * testsuite/Makefile.am (plugin_test_3): New test case.
6871         * testsuite/Makefile.in: Regenerate.
6872         * testsuite/plugin_test_3.sh: New file.
6874 2008-12-22  Cary Coutant  <ccoutant@google.com>
6876         * object.cc (Sized_relobj::layout_section): New function.
6877         (Sized_relobj::do_layout): Defer layout of input sections until after
6878         plugin has provided replacement files.
6879         (Sized_relobj::do_layout_deferred_sections): New function.
6880         * object.h (Relobj::set_section_offset): Remove virtual keyword.
6881         (Relobj::layout_deferred_sections): New function.
6882         (Relobj::do_layout_deferred_sections): New function.
6883         (Sized_relobj::do_layout_deferred_sections): New function.
6884         (Sized_relobj::layout_section): New function.
6885         (Sized_relobj::Deferred_layout): New structure.
6886         (Sized_relobj::deferred_layout_): New field.
6887         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
6888         Change all callers.  Layout deferred sections.
6889         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
6890         references.
6891         (Plugin_hook::run): Move code from do_plugin_hook inline.
6892         (Plugin_hook::do_plugin_hook): Remove.
6893         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
6894         (Plugin_manager::finish): Renamed, was cleanup.
6895         (Plugin_manager::should_defer_layout): New function.
6896         (Plugin_manager::add_deferred_layout_object): New function.
6897         (Plugin_manager::Deferred_layout_list): New type.
6898         (Plugin_manager::deferred_layout_objects_): New field.
6899         (Plugin_hook::do_plugin_hook): Remove.
6901 2008-12-17  Ian Lance Taylor  <iant@google.com>
6903         * options.h (class General_options): Add --no case for
6904         --export-dynamic.
6906 2008-12-16  Cary Coutant  <ccoutant@google.com>
6908         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
6909         vector.
6910         (Plugin_manager::claim_file): Create plugin object even if
6911         plugin did not call the add_symbols callback.
6912         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
6913         asking for more symbols than were added.
6914         * testsuite/Makefile.am (plugin_test_1): Add test case with
6915         no global symbols.
6916         (empty.syms): New target.
6917         * testsuite/Makefile.in: Regenerate.
6918         * testsuite/plugin_test.c (claim_file_hook): Add new debug
6919         message. Don't call add_symbols if no globals.
6920         (all_symbols_read_hook): Don't provide replacement for empty
6921         claimed file.
6923 2008-12-12  Ian Lance Taylor  <iant@google.com>
6925         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
6926         r_type == 0 for a local symbol with r_sym == 0.
6927         (scan_relocatable_relocs): Pass r_sym to
6928         local_non_section_strategy.
6929         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
6930         r_sym parameter.
6932         * configure.ac: Update test for TLS descriptors: they are
6933         supported as of glibc 2.9.
6934         * configure: Rebuild.
6936 2008-12-11  Ian Lance Taylor  <iant@google.com>
6938         PR 7091
6939         * target-reloc.h (Default_scan_relocatable_relocs): For each
6940         function, map r_type == 0 to RELOC_DISCARD.
6942 2008-12-10  Cary Coutant  <ccoutant@google.com>
6944         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
6945         object to override a kept COMDAT group from a plugin object.
6947 2008-12-09  Ian Lance Taylor  <iant@google.com>
6949         PR 7088
6950         * yyscript.y (file_cmd): Handle INPUT.
6952         * testsuite/initpri1.c: Change all declarations to be full
6953         prototypes by adding void, to avoid compiler warnings.
6955 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
6957         * options.cc (General_options::parse_plugin_opt): New.
6958         (General_options::add_plugin): The argument now is just the filename.
6959         (General_options::add_plugin_option): New.
6960         * options.h (plugin_opt): New.
6961         (add_plugin): Change argument name.
6962         (add_plugin_option): New.
6963         * plugin.cc (Plugin::load): Don't parse the plugin option.
6964         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
6965         (Plugin::add_option): New.
6966         (Plugin::args_): Change type.
6967         (Plugin::filename_): New.
6968         (Plugin_manager::add_plugin_option): New.
6969         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
6970         * testsuite/Makefile.in: Regenerate.
6972 2008-12-05  Cary Coutant  <ccoutant@google.com>
6974         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
6975         Handle --strip-lto-sections option.
6976         * options.h (strip_lto_sections): New option.
6978 2008-12-01  Cary Coutant  <ccoutant@google.com>
6980         * plugin.cc (ld_plugin_message): Change format parameter to const.
6981         Fix mismatch between new[] and delete.
6983 2008-11-14  Cary Coutant  <ccoutant@google.com>
6985         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
6986         instead of -1U.
6988 2008-11-05  Craig Silverstein  <csilvers@google.com>
6990         * options.cc (General_options::parse_dynamic_list): New function.
6991         * options.h (General_options): New flags dynamic_list,
6992         dynamic_list_data, dynamic_list_cpp_new, and
6993         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
6994         (General_options::in_dynamic_list): New function.
6995         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
6996         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
6997         (Lex::can_continue_name): Likewise.
6998         (yylex): Likewise.
6999         (read_script_file): New parameter script_options.
7000         (read_dynamic_list): New function.
7001         (Script_options::define_dynamic_list): New function.
7002         (dynamic_list_keyword_parsecodes): New variable.
7003         (dynamic_list_keywords): New variable.
7004         * script.h (Script_options::define_dynamic_list): New function
7005         prototype.
7006         (read_dynamic_list): New function prototype.
7007         * symtab.cc (strprefix): New macro.
7008         (Symbol::should_add_dynsym_entry): Support dynamic_list,
7009         dynamic_list_data, dynamic_list_cpp_new, and
7010         dynamic_list_cpp_typeinfo.
7011         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
7012         (dynamic_list_expr): New rule.
7013         (dynamic_list_nodes): Likewise.
7014         (dynamic_list_node): Likewise.
7015         * testsuite/Makefile.am (dynamic_list): New test.
7016         * testsuite/Makefile.in: Regenerated.
7017         * testsuite/dynamic_list.t: New file.
7018         * testsuite/dynamic_list.sh: New file.
7020 2008-11-05  Craig Silverstein  <csilvers@google.com>
7022         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
7023         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
7024         (t11_last): Likewise.
7025         * testsuite/ver_test_6.c (main): Likewise.
7027 2008-10-07  Cary Coutant  <ccoutant@google.com>
7029         * options.c (General_options::finalize): Add check for -static and
7030         -shared.
7031         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
7032         is not empty.
7034 2008-10-02  Cary Coutant  <ccoutant@google.com>
7036         * plugin.cc (make_sized_plugin_object): Fix conditional
7037         compilation to work when not all targets are enabled.
7039 2008-09-29  Cary Coutant  <ccoutant@google.com>
7041         * archive.cc (Archive::get_file_and_offset): Use filename instead
7042         of name to get library path.
7043         (Archive::include_member): Unlock external member of a thin archive.
7045         * testsuite/Makefile.am (TEST_AR): New variable.
7046         (thin_archive_test_1): New test.
7047         (thin_archive_test_2): New test.
7048         * testsuite/Makefile.in: Regenerate.
7049         * testsuite/thin_archive_main.cc: New file.
7050         * testsuite/thin_archive_test_1.cc: New file.
7051         * testsuite/thin_archive_test_2.cc: New file.
7052         * testsuite/thin_archive_test_3.cc: New file.
7053         * testsuite/thin_archive_test_4.cc: New file.
7055 2008-09-29  Cary Coutant  <ccoutant@google.com>
7057         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
7058         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
7059         instead of -1U.
7060         (Sized_relobj::do_finalize_local_symbols): Likewise.
7061         (Sized_relobj::map_to_kept_section): Likewise.
7062         * object.h (Sized_relobj::invalid_address): New constant.
7063         (Sized_relobj::do_output_section_offset): Check for invalid_address
7064         and return -1ULL.
7065         * output.cc (Output_reloc::local_section_offset): Use constant
7066         invalid_address instead of -1U.
7067         (Output_reloc::get_address): Likewise.
7068         (Output_section::output_address): Change -1U to -1ULL.
7069         * output.h (Output_reloc::invalid_address): New constant.
7070         * reloc.cc (Sized_relobj::write_sections): Use constant
7071         invalid_address instead of -1U.
7072         (Sized_relobj::relocate_sections): Likewise.
7073         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
7074         values for merge sections.
7075         * target-reloc.h (relocate_for_relocatable): Use constant
7076         invalid_address instead of -1U.
7078 2008-09-19  Cary Coutant  <ccoutant@google.com>
7080         Add plugin functionality for link-time optimization (LTO).
7081         * configure.ac (plugins): Add --enable-plugins option.
7082         * configure: Regenerate.
7083         * config.in: Regenerate.
7084         * Makefile.am (LIBDL): New variable.
7085         (CCFILES): Add plugin.cc.
7086         (HFILES): Add plugin.h.
7087         (ldadd_var): Add LIBDL.
7088         * Makefile.in: Regenerate.
7090         * archive.cc: Include "plugin.h".
7091         (Archive::setup): Don't preread archive symbols when using a plugin.
7092         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
7093         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
7094         files.
7095         (Archive::include_member): Add symbols from plugin objects.
7096         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
7097         * descriptors.cc (Descriptors::open): Check for file descriptors
7098         abandoned by plugins.
7099         (Descriptors::claim_for_plugin): New function.
7100         * descriptors.h (Descriptors::claim_for_plugin): New function.
7101         (Open_descriptor::is_claimed): New field.
7102         (claim_descriptor_for_plugin): New function.
7103         * fileread.cc (File_read::claim_for_plugin): New function.
7104         * fileread.h (File_read::claim_for_plugin): New function.
7105         (File_read::descriptor): New function.
7106         * gold.cc: Include "plugin.h".
7107         (queue_initial_tasks): Add task to call plugin hooks for generating
7108         new object files.
7109         * main.cc: Include "plugin.h".
7110         (main): Load plugin libraries.
7111         * object.h (Pluginobj): Declare.
7112         (Object::pluginobj): New function.
7113         (Object::do_pluginobj): New function.
7114         (Object::set_target): New function.
7115         * options.cc: Include "plugin.h".
7116         (General_options::parse_plugin): New function.
7117         (General_options::General_options): Initialize plugins_ field.
7118         (General_options::add_plugin): New function.
7119         * options.h (Plugin_manager): Declare.
7120         (General_options): Add --plugin option.
7121         (General_options::has_plugins): New function.
7122         (General_options::plugins): New function.
7123         (General_options::add_plugin): New function.
7124         (General_options::plugins_): New field.
7125         * plugin.cc: New file.
7126         * plugin.h: New file.
7127         * readsyms.cc: Include "plugin.h".
7128         (Read_symbols::do_read_symbols): Check for archive before checking
7129         for ELF file.  Call plugin hooks to claim files.
7130         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
7131         from a real object file; force override when processing replacement
7132         files.
7133         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
7134         (Symbol::init_base_object): Likewise.
7135         (Symbol::init_base_output_data): Likewise.
7136         (Symbol::init_base_output_segment): Likewise.
7137         (Symbol::init_base_constant): Likewise.
7138         (Symbol::init_base_undefined): Likewise.
7139         (Symbol::output_section): Assert that object is not a plugin.
7140         (Symbol_table::add_from_pluginobj): New function.
7141         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
7142         undefined.
7143         (Symbol_table::sized_write_globals): Likewise.
7144         (Symbol_table::add_from_pluginobj): Instantiate template.
7145         * symtab.h (Sized_pluginobj): Declare.
7146         (Symbol::in_real_elf): New function.
7147         (Symbol::set_in_real_elf): New function.
7148         (Symbol::in_real_elf_): New field.
7149         (Symbol_table::add_from_pluginobj): New function.
7151         * testsuite/Makefile.am (AM_CFLAGS): New variable.
7152         (LIBDL): New variable.
7153         (LDADD): Add LIBDL.
7154         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
7155         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
7156         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
7157         (MOSTLYCLEANFILES): Likewise.
7158         * testsuite/Makefile.in: Regenerate.
7159         * testsuite/plugin_test.c: New file.
7160         * testsuite/plugin_test_1.sh: New file.
7161         * testsuite/plugin_test_2.sh: New file.
7163 2008-09-16  Ian Lance Taylor  <iant@google.com>
7165         * target-reloc.h (relocate_section): Check whether a symbol is
7166         defined by the ABI before reporting an undefined symbol error.
7167         * target.h (Target::is_defined_by_abi): Make parameter const.
7168         (Target::do_is_defined_by_abi): Likewise.
7169         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
7170         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
7171         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
7172         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
7173         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
7174         * testsuite/Makefile.in: Rebuild.
7176         * fileread.cc (make_view): Add casts to avoid warning.
7178 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7180         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
7181         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7183 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
7185         * options.h (General_options::output_is_executable): New.
7186         (General_options::output_is_pie): New.
7187         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
7188         for shared libraries.
7189         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
7191 2008-09-11  Chris Demetriou  <cgd@google.com>
7193         * options.h (origin): New -z option.
7194         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
7195         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
7196         in DT_FLAGS_1.
7198 2008-09-05  Cary Coutant  <ccoutant@google.com>
7200         * fileread.cc (File_read::make_view): Add check for attempt to map
7201         beyond end of file.
7203 2008-09-05  Cary Coutant  <ccoutant@google.com>
7205         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
7206         explicit instantiations.
7208 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
7210         PR gold/6858
7211         * options.cc (General_options::finalize): Allow undefined symbols
7212         in shlibs if linking -shared.
7214         PR gold/6859
7215         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
7216         symbols as not needing a dynsym entry.
7218 2008-08-20  Craig Silverstein  <csilvers@google.com>
7220         * fileread.cc (File_read::open): Do not lock the file unless it
7221         was successfully opened.
7223 2008-08-14  Cary Coutant  <ccoutant@google.com>
7225         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
7226         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
7227         * testsuite/tls_test.cc (struct int128): 128-bit struct
7228         for testing TLS relocs with non-zero addend.
7229         (v12): New TLS variable.
7230         (t12): New test.
7231         (t_last): Add check for v12.
7232         * testsuite/tls_test.h (t12): New function.
7233         * testsuite/tls_test_main.cc (thread_routine): Call new test.
7235 2008-08-13  Ian Lance Taylor  <iant@google.com>
7237         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
7238         set tls_segment_ or relro_segment_.
7239         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
7240         when appropriate.
7241         * output.h (Output_section::clear_is_relro): New function.
7242         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
7243         sections specially even when output_data_ is empty.
7244         (Output_segment::maximum_alignment): When first section is relro,
7245         only force alignment for PT_LOAD segments.
7246         * script.cc (script_data_segment_align): New function.
7247         (script_data_segment_relro_end): New function.
7248         * script-c.h (script_data_segment_align): Declare.
7249         (script_data_segment_relro_end): Declare.
7250         * script-sections.h (class Script_sections): Declare
7251         data_segment_align and data_segment_relro_end.  Add fields
7252         segment_align_index_ and saw_relro_end_.
7253         * script-sections.cc (class Sections_element): Add set_is_relro
7254         virtual function.  Add new bool* parameter to place_orphan_here.
7255         Add get_output_section virtual function.
7256         (class Output_section_definition): Add set_is_relro.  Add new
7257         bool* parameter to place_orphan_here.  Add get_output_section.
7258         Add is_relro_ field.
7259         (Output_section_definition::Output_section_definition): Initialize
7260         evaluated_address_, evaluated_load_address, evaluated_addralign_,
7261         and is_relro_ fields.
7262         (Output_section_definition::place_orphan_here): Add is_relro
7263         parameter.
7264         (Output_section_definition::set_section_addresses): Set relro for
7265         output section.
7266         (Output_section_definition::alternate_constraint): Likewise.
7267         (class Orphan_output_section): Add new bool* parameter to
7268         place_orphan_here.  Add get_output_section.
7269         (Orphan_output_section::place_orphan_here): Add is_relro
7270         parameter.
7271         (Script_sections::Script_sections): Initialize
7272         data_segment_align_index_ and saw_relro_end_.
7273         (Script_sections::data_segment_align): New function.
7274         (Script_sections::data_segment_relro_end): New function.
7275         (Script_sections::place_orphan): Set or clear is_relro.
7276         (Script_sections::set_section_addresses): Force alignment of first
7277         TLS section.
7278         * yyscript.y (exp): Call script_data_segment_align and
7279         script_data_segment_relro_end.
7280         * testsuite/relro_script_test.t: New file.
7281         * testsuite/relro_test.cc (using_script): Declare.
7282         (t1, t2): Test using_script.
7283         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7284         (relro_script_test_SOURCES): Define.
7285         (relro_script_test_DEPENDENCIES): Define.
7286         (relro_script_test_LDFLAGS): Define.
7287         (relro_script_test_LDADD): Define.
7288         (relro_script_test.so): New target.
7289         * testsuite/Makefile.in: Rebuild.
7291 2008-08-06  Cary Coutant <ccoutant@google.com>
7293         * archive.cc (Archive::total_archives, Archive::total_members)
7294         (Archive::total_members_loaded): New variables.
7295         (Archive::setup): Add parameter.  Add option to preread
7296         archive symbols.
7297         (Archive::read_armap): Add counter.
7298         (Archive::get_file_and_offset): New function.
7299         (Archive::get_elf_object_for_member): New function.
7300         (Archive::read_all_symbols): New function.
7301         (Archive::read_symbols): New function.
7302         (Archive::add_symbols): Add counters.
7303         (Archive::include_all_members): Use armap to find members if it's
7304         already built.
7305         (Archive::include_member): Skip reading symbols if already read.
7306         Factored code into Archive::get_file_and_offset and
7307         Archive::get_elf_object_for_member.  Changed call to
7308         Mapfile::report_include_archive_member.
7309         (Archive::print_stats): New function.
7310         * archive.h: Declare Object and Read_symbols_data classes.
7311         (Archive::Archive): Add initializers for new members.
7312         (Archive::setup): Add parameter.
7313         (Archive::print_stats): New function.
7314         (Archive::total_archives, Archive::total_members)
7315         (Archive::total_members_loaded): New variables.
7316         (Archive::get_file_and_offset): New function.
7317         (Archive::get_elf_object_for_member): New function.
7318         (Archive::read_all_symbols): New function.
7319         (Archive::read_symbols): New function.
7320         (Archive::Archive_member): New class.
7321         (Archive::members_): New member.
7322         (Archive::num_members_): New member.
7323         * main.cc: Include archive.h.
7324         (main): Call Archive::print_stats.
7325         * mapfile.cc (Mapfile::report_include_archive_member): Delete
7326         archive parameter; member_name is now the fully-decorated name.
7327         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7328         * options.h: (General_options): Add --preread-archive-symbols option.
7329         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7330         Archive::setup.
7332 2008-08-04  Ian Lance Taylor  <iant@google.com>
7334         * symtab.h (Symbol::use_plt_offset): New function.
7335         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7336         * powerpc.cc (Relocate::relocate): Likewise.
7337         * sparc.cc (Relocate::relocate): Likewise.
7338         * x86_64.cc (Relocate::relocate): Likewise.
7339         * testsuite/weak_plt.sh: New test.
7340         * testsuite/weak_plt_main.cc: New test.
7341         * testsuite/weak_plt_shared.cc: New test.
7342         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7343         (check_PROGRAMS): Add weak_plt.
7344         (check_DATA): Add weak_plt_shared.so.
7345         (weak_plt_main_pic.o, weak_plt): New targets.
7346         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7347         * testsuite/Makefile.in: Rebuild.
7349         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7350         gcctestdir/ld.
7351         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7352         * testsuite/Makefile.in: Rebuild.
7354 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
7356         * Makefile.am (POTFILES.in): Set LC_ALL=C.
7357         * Makefile.in: Regenerate.
7358         * po/POTFILES.in: Regenerate.
7360 2008-07-29  Ian Lance Taylor  <iant@google.com>
7362         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7363         symbols before other symbols.
7364         * testsuite/script_test_2.cc (test_addr): Declare.
7365         (test_addr_alias): Declare.
7366         (main): Check that test_addr and test_addr_alias have the right
7367         values.
7368         * testsuite/script_test_2.t: Define test_addr_alias and
7369         test_addr.
7371 2008-07-24  Ian Lance Taylor  <iant@google.com>
7373         PR 5990
7374         * descriptors.cc: New file.
7375         * descriptors.h: New file.
7376         * gold-threads.h (class Hold_optional_lock): New class.
7377         * fileread.cc: Include "descriptors.h".
7378         (File_read::~File_read): Release descriptor rather than closing
7379         it.
7380         (File_read::open) [file]: Call open_descriptor rather than open.
7381         Set is_descriptor_opened_.
7382         (File_read::open) [memory]: Assert that descriptor is not open.
7383         (File_read::reopen_descriptor): New function.
7384         (File_read::release): Release descriptor.
7385         (File_read::do_read): Make non-const.  Reopen descriptor.
7386         (File_read::read): Make non-const.
7387         (File_read::make_view): Reopen descriptor.
7388         (File_read::do_readv): Likewise.
7389         * fileread.h (class File_read): Add is_descriptor_opened_ field.
7390         Update declarations.
7391         * layout.cc: Include "descriptors.h".
7392         (Layout::create_build_id): Use open_descriptor rather than open.
7393         * output.cc: Include "descriptors.h".
7394         (Output_file::open): Use open_descriptor rather than open.
7395         * archive.cc (Archive::const_iterator): Change Archive to be
7396         non-const.
7397         (Archive::begin, Archive::end): Make non-const.
7398         (Archive::count_members): Likewise.
7399         * archive.h (class Archive): Update declarations.
7400         * object.h (Object::read): Make non-const.
7401         * Makefile.am (CCFILES): Add descriptors.cc.
7402         (HFILES): Add descriptors.h.
7403         * Makefile.in: Rebuild.
7405         PR 6716
7406         * gold.h: Always include <clocale>.  Add Solaris workarounds
7407         following code in binutils/sysdep.h.
7409         PR 6048
7410         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7411         this->eh_frame_hdr_ is NULL before using it.
7413         * dynobj.cc (Versions::Versions): Update comment.
7415         * dynobj.cc (Versions::Versions): If there is an soname, use it as
7416         the base version name.
7418         * stringpool.cc (Stringpool_template::add_with_length): Set key to
7419         array size plus one.
7420         (Stringpool_template::set_string_offsets): Subtract one from key
7421         before using it as an array index.
7422         (Stringpool_template::get_offset_with_length): Likewise.
7423         (Stringpool_template::write_to_buffer): Likewise.
7424         * stringpool.h (Stringpool_template::get_offset_from_key):
7425         Likewise.
7427 2008-07-23  Ian Lance Taylor  <iant@google.com>
7429         PR 6658
7430         * object.h (Merged_symbol_value::value): Do our best to handle a
7431         negative addend.
7433         PR 6647
7434         * script.cc (Version_script_info::get_versions): Don't add empty
7435         version tag to return value.
7436         (Version_script_info::get_symbol_version_helper): Change return
7437         type to bool.  Add pversion parameter.  Change all callers.
7438         (script_register_vers_node): Don't require a non-NULL tag.
7439         * script.h (class Version_script_info): Update declarations.
7440         (Version_script_info::get_symbol_version): Change return type to
7441         bool.  Add version parameter.  Change all callers.
7442         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7443         handling.  Handle an empty version from a version script.
7444         (Symbol_table::define_special_symbol): Likewise.
7445         * testsuite/ver_test_10.script: New file.
7446         * testsuite/ver_test_10.sh: New file.
7447         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7448         (check_DATA): Add ver_test_10.syms.
7449         (ver_test_10.syms, ver_test_10.so): New target.
7450         * testsuite/Makefile.in: Rebuild.
7452 2008-07-23  Simon Baldwin  <simonb@google.com>
7454         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7455         to zero for undefined symbols from dynamic libraries.
7457 2008-07-23  Ian Lance Taylor  <iant@google.com>
7459         * symtab.cc (Symbol_table::resolve): Remove version parameter.
7460         Change all callers.
7461         * symtab.h (class Symbol_table): Update declaration.
7462         * testsuite/ver_test_9.cc: New file.
7463         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7464         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7465         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7466         (ver_test_9.so, ver_test_9.o): New targets.
7467         * testsuite/Makefile.in: Rebuild.
7469 2008-07-22  Ian Lance Taylor  <iant@google.com>
7471         * options.h (class General_options): Define --check-sections.
7472         * layout.cc (Layout::set_segment_offsets): Handle
7473         --check-sections.
7475         * options.h (class General_options): Define -n/--nmagic and
7476         -N/--omagic.
7477         * options.cc (General_options::finalize): For -n/--nmagic or
7478         -N/--omagic, set -static.
7479         * layout.cc (Layout::attach_allocated_section_to_segment): If
7480         -N/--omagic, don't put read-only and read-write sections in
7481         different segments.
7482         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7483         finding a read-only segment.
7484         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7485         don't set the minimum segment alignment to the common page size,
7486         and don't set the file offset to the address modulo the page size.
7487         * script-sections.cc (Script_sections::create_segments): If
7488         -n/--omagic, don't put read-only and read-write sections in
7489         different segments.
7491         * cref.cc: New file.
7492         * cref.h: New file.
7493         * options.h (class General_options): Add --print-symbol-counts.
7494         * main.cc (main): Issue defined symbol report if requested.
7495         * archive.cc (Archive::interpret_header): Make into a const member
7496         function.
7497         (Archive::add_symbols): Call Input_objects::archive_start and
7498         archive_stop.
7499         (Archive::const_iterator): Define new class.
7500         (Archive::begin, Archive::end): New functions.
7501         (Archive::include_all_members): Rewrite to use iterator.
7502         (Archive::count_members): New function.
7503         * archive.h (class Archive): Update declarations.
7504         (Archive::filename): New function.
7505         * object.cc: Include "cref.h".
7506         (Sized_relobj::Sized_relobj): Initialize defined_count_.
7507         (Sized_relobj::do_get_global_symbol_counts): New function.
7508         (Input_objects::add_object): Add object to cross-referencer.
7509         (Input_objects::archive_start): New function.
7510         (Input_objects::archive_stop): New function.
7511         (Input_objects::print_symbol_counts): New function.
7512         * object.h: Declare Cref and Archive.
7513         (Object::get_global_symbol_counts): New function.
7514         (Object::do_get_global_symbol_counts): New pure virtual function.
7515         (class Sized_relobj): Add defined_count_ field.  Update
7516         declarations.
7517         (class Input_objects): Add cref_ field.  Update constructor.
7518         Update declarations.
7519         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
7520         defined_count_.
7521         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
7522         symbol counts.
7523         (Sized_dynobj::do_get_global_symbol_counts): New function.
7524         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
7525         defined_count_.  Update declarations.  Define Symbols typedef.
7526         * symtab.cc (Symbol_table::add_from_relobj): Add defined
7527         parameter.  Change all callers.
7528         (Symbol_table::add_from_dynobj): Add sympointers and defined
7529         parameters.  Change all callers.
7530         * symtab.h (class Symbol_table): Update declarations.
7531         * Makefile.am (CCFILES): Add cref.cc.
7532         (HFILES): Add cref.h.
7533         * Makefile.in: Rebuild.
7535 2008-07-22  Simon Baldwin  <simonb@google.com>
7537         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
7538         to zero when writing undefined symbols.
7540 2008-07-22  Ian Lance Taylor  <iant@google.com>
7542         * output.cc (Output_section::add_input_section): Don't try to
7543         merge empty merge sections.
7545 2008-07-21  Craig Silverstein  <csilvers@google.com>
7547         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7548         Include symbol version in error message.
7550 2008-07-20  Chris Demetriou  <cgd@google.com>
7552         * configure.ac (gold_cv_c_random_seed): New configured variable.
7553         (RANDOM_SEED_CFLAGS): New substituted variable.
7554         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
7555         * configure: Rebuild.
7556         * Makefile.in: Likewise.
7557         * testsuite/Makefile.in: Likewise.
7559 2008-07-18  Ian Lance Taylor  <iant@google.com>
7561         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
7562         where we see NAME/NULL and NAME/VERSION  as separate symbols.
7563         * testsuite/ver_test_main.cc (main): Call t4.
7564         (t4, t4_2a): Define.
7565         * testsuite/ver_test_2.cc (t4_2): Define.
7566         * testsuite/ver_test_2.script: Put t4_2a in VER2.
7567         * testsuite/ver_test_4.cc (t4_2a): Define.
7568         * testsuite/ver_test_4.script: Put t4_2a in VER2.
7569         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
7571 2008-07-17  Ian Lance Taylor  <iant@google.com>
7573         * dynobj.cc (Versions::add_def): If we give an error about a
7574         missing version, go ahead and create the version anyhow.
7576 2008-07-10  Ian Lance Taylor  <iant@google.com>
7578         Handle output sections with more than 0x7fffffff bytes.
7579         * object.h (class Relobj): Change map_to_output_ to
7580         output_sections_, and just keep a section pointer.  Change all
7581         uses.  Move comdat group support to Sized_relobj.
7582         (Relobj::is_section_specially_mapped): Remove.
7583         (Relobj::output_section): Remove poff parameter.  Change all
7584         callers.
7585         (Relobj::output_section_offset): New function.
7586         (Relobj::set_section_offset): Rewrite.
7587         (Relobj::map_to_output): Remove.
7588         (Relobj::output_sections): New function.
7589         (Relobj::do_output_section_offset): New pure virtual function.
7590         (Relobj::do_set_section_offset): Likewise.
7591         (class Sized_relobj): Add section_offsets_ field.  Add comdat
7592         group support from Relobj.  Update declarations.
7593         (Sized_relobj::get_output_section_offset): New function.
7594         (Sized_relobj::do_output_section_offset): New function.
7595         (Sized_relobj::do_set_section_offset): New function.
7596         * object.cc (Relobj::output_section_address): Remove.
7597         (Sized_relobj::Sized_relobj): Initialize new fields.
7598         (Sized_relobj::include_section_group): Cast find_kept_object to
7599         Sized_relobj.
7600         (Sized_relobj::include_linkonce_section): Likewise.
7601         (Sized_relobj::do_layout): Use separate arrays for output section
7602         and output offset.
7603         (Sized_relobj::do_count_local_symbols): Change map_to_output to
7604         output_sections.
7605         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
7606         output_sections and section_offsets.
7607         (Sized_relobj::write_local_symbols): Likewise.
7608         (map_to_kept_section): Compute output address directly.
7609         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
7610         output_sections and section_offsets.
7611         (Sized_relobj::write_sections): Likewise.
7612         (Sized_relobj::relocate_sections): Likewise.
7613         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
7614         * output.h (class Output_reloc): Update declarations.  Change
7615         u2_.relobj to Sized_relobj*.
7616         (class Output_data_reloc): Change add functions to use
7617         Sized_relobj*.
7618         * output.cc (Output_reloc::Output_reloc): Change relobj to
7619         Sized_relobj*.
7620         (Output_reloc::local_section_offset): Change return type to
7621         Elf_Addr.  Use get_output_section_offset.
7622         (Output_reloc::get_address): Likewise.
7623         (Output_section::is_input_address_mapped): Don't call
7624         is_section_specially_mapped.
7625         (Output_section::output_offset): Likewise.
7626         (Output_section::output_address): Likewise.
7627         (Output_section::starting_output_address): Likewise.
7628         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
7629         parameter to Sized_relobj*.
7630         (Copy_relocs::need_copy_reloc): Likewise.
7631         (Copy_relocs::save): Likewise.
7632         * copy-relocs.h (class Copy_relocs): Update declarations.
7633         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
7634         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
7635         * target-reloc.h (relocate_for_relocatable): Change
7636         offset_in_output_section type to Elf_Addr.  Change code that uses
7637         it as well.
7638         * layout.cc (Layout::layout): Always set *off.
7639         * mapfile.cc (Mapfile::print_input_section): Use
7640         output_section_offset.
7641         * i386.cc (Target_i386::copy_reloc): Change object parameter to
7642         Sized_relobj*.
7643         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
7644         * sparc.cc (Target_sparc::copy_reloc): Likewise.
7645         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
7647 2008-07-03  Ian Lance Taylor  <iant@google.com>
7649         * layout.cc (Layout::include_section): Do not discard unrecognized
7650         SHT_STRTAB sections.
7652 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
7654         * script.cc (Lex::can_continue_name): Make '?' allowable in
7655         version-script names.
7656         * testsuite/version_script.map: Change glob pattern to use '?'
7658 2008-06-30  Manish Singh  <yosh@gimp.org>
7660         PR 6585
7661         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
7662         Correct typo.
7664 2008-06-30  Ian Lance Taylor  <iant@google.com>
7666         PR 6660
7667         PR 6682
7668         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
7669         versions]: Don't try to read the value in the contents, since we
7670         don't use it.  Use the template endianness when writing.
7672 2008-06-25  Cary Coutant  <ccoutant@google.com>
7674         * fileread.cc (File_read::make_view): Assert on zero-length view.
7675         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
7676         symbol table when there are no symbols to read.
7678 2008-06-23  Craig Silverstein  <csilvers@google.com>
7680         * version.cc (version_string): Bump to 1.7
7682 2008-06-18  Craig Silverstein  <csilvers@google.com>
7684         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
7685         constant 0xFFFF to type Valtype.
7686         (Powerpc_relocate_functions::rel16_ha): Likewise.
7688 2008-06-17  Ian Lance Taylor  <iant@google.com>
7690         * output.h (Output_section::Input_section): Initialize p2align_ to
7691         zero for Output_section_data constructors.
7692         (Output_section::Input_section::addralign): If not an input
7693         section, return the alignment of the Output_section_data.
7694         * testsuite/copy_test.cc: New file.
7695         * testsuite/copy_test_1.cc: New file.
7696         * testsuite/copy_test_2.cc: New file.
7697         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
7698         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
7699         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
7700         (copy_test_1_pic.o, copy_test_1.so): New targets.
7701         (copy_test_2_pic.o, copy_test_2.so): New targets.
7702         * testsuite/Makefile.in: Rebuild.
7704         * script-sections.cc (Script_sections::place_orphan): Initialize
7705         local variable exact.
7707 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
7709         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
7711 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
7712             David S. Miller  <davem@davemloft.net>
7714         * powerpc.cc: New file.
7715         * Makefile.am (TARGETSOURCES): Add powerpc.cc
7716         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
7717         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
7718         * Makefile.in: Rebuild.
7720 2008-06-09  Ian Lance Taylor  <iant@google.com>
7722         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
7723         <exception>.
7724         (throwing, orig_terminate): New static variables.
7725         (terminate_handler): New static function.
7726         (t2): Set terminate handler.
7728 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
7730         PR 6584
7731         * binary.cc (Binary_to_elf::sized_convert): Fix .data
7732         alignment.
7734 2008-05-30  Cary Coutant  <ccoutant@google.com>
7736         * archive.cc (Archive::include_all_members) Correct to step
7737         over symbol table and extended name table in thin archives.
7739 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
7741         PR 6407
7742         * target-reloc.h (relocate_for_relocatable): Fix new_offset
7743         calculation.
7745 2008-05-28  Caleb Howe  <cshowe@google.com>
7747         * reduced_debug_output.cc: New file.
7748         * reduced_debug_output.h: New file.
7749         * options.h (class General_options): Add --strip-debug-non-line.
7750         * options.cc (General_options::finalize): Add strip_debug_non_line
7751         to the strip heirarchy.
7752         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
7753         fields.
7754         * layout.cc: Include "reduced_debug_output.h".
7755         (Layout::Layout): Initialize new fields.
7756         (line_only_debug_sections): New static array.
7757         (is_lines_only_debug_sections): New static inline function.
7758         (Layout::include_section): Handle --strip-debug-non-line.
7759         (Layout::make_output_section): If --strip-debug-non-line, build
7760         new output sections for .debug_abbrev and .debug_info.
7761         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
7762         gold.  Warn about possible overflow.
7763         (read_signed_LEB_128): Likewise.
7764         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
7765         (read_signed_LEB_128): Declare.
7766         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
7767         (HFILES): Add reduced_debug_output.h.
7768         * Makefile.in: Rebuild.
7770 2008-05-21  Ian Lance Taylor  <iant@google.com>
7772         * mapfile.cc: New file.
7773         * mapfile.h: New file.
7774         * options.h (class General_options): Add -M/--print-map and -Map.
7775         * options.cc (General_options::finalize): Make -M equivalent to
7776         -Map -.
7777         * main.cc: Include <cstdio> and "mapfile.h".
7778         (main): Open mapfile if requested.
7779         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
7780         constructor.  Change caller.
7781         (queue_initial_tasks): Add mapfile parameter.  Change caller.
7782         (queue_middle_tasks): Likewise.
7783         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
7784         declarations.
7785         * archive.cc: Include "mapfile.h".
7786         (Archive::add_symbols): Add mapfile parameter.  Change all
7787         callers.  Pass mapfile, symbol, and reason to include_member.
7788         (Archive::include_all_members): Add mapfile parameter.  Change all
7789         callers.
7790         (Archive::include_member): Add mapfile, sym, and why parameters.
7791         Change all callers.  Report inclusion to map file.
7792         * archive.h: Include "fileread.h".
7793         (class Archive): Update declarations.
7794         (Archive::file): New const method.
7795         (class Add_archive_symbols): Add mapfile_ field.  Update
7796         constructor.  Change all callers.
7797         * readsyms.h (class Read_symbols): Likewise.
7798         (class Finish_group): Likewise.
7799         (class Read_script): Likewise.
7800         * common.cc: Include "mapfile.h".
7801         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
7802         all callers.
7803         (Symbol_table::do_allocate_commons): Likewise.
7804         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
7805         symbol allocation to mapfile.
7806         * common.h (class Allocate_commons_task): Add mapfile_ field.
7807         Update constructor.  Change all callers.
7808         * symtab.h (class Symbol_table): Update declarations.
7809         * layout.cc: Include "mapfile.h".
7810         (Layout_task_runner::run): Print information to mapfile.
7811         (Layout::create_gold_note): Change Output_data_fixed_space to
7812         Output_data_zero_fill.
7813         (Layout::create_build_id): Likewise.
7814         (Layout::print_to_mapfile): New function.
7815         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
7816         constructor.  Change caller.
7817         (class Layout): Declare print_to_mapfile.
7818         * output.cc (Output_section::Input_section::print_to_mapfile): New
7819         function.
7820         (Output_section::add_input_section): If producing a map, always
7821         add to input_sections_ list.
7822         (Output_section::do_print_to_mapfile): New function.
7823         (Output_segment::print_sections_to_mapfile): New function.
7824         (Output_segment::print_section_list_to_mapfile): New function.
7825         * output.h: Include "mapfile.h".
7826         (Output_data::print_to_mapfile): New function.
7827         (Output_data::do_print_to_mapfile): New virtual function.
7828         (Output_segment_headers::do_print_to_mapfile): New function.
7829         (Output_file_header::do_print_to_mapfile): New function.
7830         (Output_data_const::do_print_to_mapfile): New function.
7831         (class Output_data_const_buffer): Add map_name_ field.  Update
7832         constructor.  Change all callers.  Add do_print_to_mapfile
7833         function.
7834         (class Output_data_fixed_space): Likewise.
7835         (class Output_data_space): Likewise.
7836         (class Output_data_zero_fill): New class.
7837         (Output_data_strtab::do_print_to_mapfile): New function.
7838         (Output_data_reloc_base::do_print_to_mapfile): New function.
7839         (Output_relocatable_relocs::do_print_to_mapfile): New function.
7840         (Output_data_group::do_print_to_mapfile): New function.
7841         (Output_data_got::do_print_to_mapfile): New function.
7842         (Output_data_dynamic::do_print_to_mapfile): New function.
7843         (Output_symtab_xindex::do_print_to_mapfile): New function.
7844         (class Output_section): Declare do_print_to_mapflie.  Declare
7845         print_to_mapfile in Input_section.
7846         (class Output_segment): Declare new functions.
7847         * object.h (Sized_relobj::symbol_count): New function.
7848         * script-sections.cc
7849         (Output_section_element_dot_assignment::set_section_addresses):
7850         Change Output_data_fixed_space to Output_data_zero_fill.
7851         (Output_data_expression::do_print_to_mapfile): New function.
7852         * script.cc (read_input_script): Add mapfile parameter.  Change
7853         all callers.
7854         * script.h (read_input_script): Update declaration.
7855         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
7856         (Eh_frame::do_print_to_mapfile): New function.
7857         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
7858         (Output_merge_string::do_print_to_mapfile): New function.
7859         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
7860         function.
7861         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
7862         function.
7863         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
7864         function.
7865         * Makefile.am (CCFILES): Add mapfile.cc.
7866         (HFILES): Add mapfile.h.
7867         * Makefile.in: Rebuild.
7869 2008-05-19  Ian Lance Taylor  <iant@google.com>
7871         * options.h (class General_options): Add -z relro.
7872         * layout.cc (Layout::Layout): Initialize relro_segment_.
7873         (Layout::add_output_section_data): Return the output section.
7874         (Layout::make_output_section): Rcognize relro sections and mark
7875         them appropriately.
7876         (Layout::attach_allocated_section_to_segment): Put relro sections
7877         in a PT_GNU_RELRO segment.
7878         (Layout::create_initial_dynamic_sections): Mark the .dynamic
7879         section as relro.
7880         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
7881         PT_TLS segments.
7882         (Layout::linkonce_mapping): Map d.rel.ro.local to
7883         .data.rel.ro.local.
7884         (Layout::output_section_name): Us .data.rel.ro.local for any
7885         section which begins with that.
7886         * layout.h (class Layout): Update add_output_section_data
7887         declaration.  Add relro_segment_ field.
7888         * output.cc (Output_section::Output_section): Initialize is_relro_
7889         and is_relro_local_ fields.
7890         (Output_segment::add_output_section): Group relro sections.
7891         (Output_segment::is_first_section_relro): New function.
7892         (Output_segment::maximum_alignment): If there is a relro section,
7893         align the segment to the common page size.
7894         (Output_segment::set_section_addresses): Track whether we are
7895         looking at relro sections.  If the last section is a relro
7896         section, align to the common page size.
7897         (Output_segment::set_section_list_addresses): Add in_relro
7898         parameter.  Change all callers.  Align to the page size when
7899         moving from relro to non-relro section.
7900         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
7901         segment.
7902         * output.h (class Output_section): Add is_relro_ and
7903         is_relro_local_ fields.
7904         (Output_section::is_relro): New function.
7905         (Output_section::set_is_relro): New function.
7906         (Output_section::is_relro_local): New function.
7907         (Output_section::set_is_relro_local): New function.
7908         (class Output_segment): Update declarations.
7909         * i386.cc (Target_i386::got_section): Mark .got section as relro.
7910         * sparc.cc (Target_sparc::got_section): Likewise.
7911         * x86_64.cc (Target_x86_64::got_section): Likewise.
7912         * testsuite/relro_test_main.cc: New file.
7913         * testsuite/relro_test.cc: New file.
7914         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
7915         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
7916         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
7917         (relro_test.so, relro_test_pic.o): New targets.
7918         * testsuite/Makefile.in: Rebuild.
7920 2008-05-16  Ian Lance Taylor  <iant@google.com>
7922         * output.cc (Output_segment::add_output_section): Remove front
7923         parameter.
7924         * output.h (class Output_segment): Remove
7925         add_initial_output_section and overloaded add_output_section.
7926         Update declaration of remaining add_output_section.
7927         * layout.cc (Layout::create_interp): Call add_output_section
7928         rather than add_initial_output_section.
7929         (Layout::finish_dynamic_section): Likewise.
7931         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
7932         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
7933         know the dynamic type.
7934         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
7935         field.  Initialize it in constructor.
7936         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
7937         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
7938         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
7939         reloc.
7941         * output.cc (Output_reloc::get_address): Change return type to
7942         Elf_Addr.
7943         * output.h (class Output_reloc): Update get_address declaration.
7944         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
7945         for section addresses.
7947 2008-05-09  Ian Lance Taylor  <iant@google.com>
7949         PR 6493
7950         * gold.cc (gold_nomem): Use return value of write.
7952 2008-05-08  Ian Lance Taylor  <iant@google.com>
7954         * symtab.c (Symbol::init_base_output_data): Add version
7955         parameter.  Change all callers.
7956         (Symbol::init_base_output_segment): Likewise.
7957         (Symbol::init_base_constant): Likewise.
7958         (Symbol::init_base_undefined): Likewise.
7959         (Sized_symbol::init_output_data): Likewise.
7960         (Sized_symbol::init_output_segment): Likewise.
7961         (Sized_symbol::init_constant): Likewise.
7962         (Sized_symbol::init_undefined): Likewise.
7963         (Symbol_table::do_define_in_output_data): If the new symbol has a
7964         version, mark it as the default.
7965         (Symbol_table::do_define_in_output_segment): Likewise.
7966         (Symbol_table::do_define_as_constant): Likewise.
7967         * symtab.h (class Symbol): Update declarations.
7968         (class Sized_symbol): Likewise.
7969         * resolve.cc (Symbol::override_version): New function.
7970         (Symbol::override_base): Call override_version.
7971         (Symbol::override_base_with_special): Likewise.
7972         * testsuite/ver_script_8.script: New file.
7973         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
7974         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
7975         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
7976         (ver_test_8_1.so, ver_test_8_2.so): New targets.
7978 2008-05-06  Ian Lance Taylor  <iant@google.com>
7980         PR 6049
7981         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
7982         functions.
7983         (class General_options): Remove existing --undefined, and add
7984         --no-undefined instead.  Add new --undefined as synonym for -u.
7985         * archive.cc (Archive::add_symbols): Check whether symbol was
7986         named with -u.
7987         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
7988         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
7989         all uses.  Add IS_UNDEFINED.  Update declarations to split
7990         different versions of init_base.  Declare init_base_undefined.
7991         (Symbol::is_defined): Handle IS_UNDEFINED.
7992         (Symbol::is_undefined): Likewise.
7993         (Symbol::is_weak_undefined): Call is_undefined.
7994         (Symbol::is_absolute): Handle IS_CONSTANT.
7995         (class Sized_symbol): Update declarations to split different
7996         versions of init.  Declare init_undefined.
7997         (class Symbol_table): Declare new functions.
7998         * symtab.cc (Symbol::init_base_object): Rename from init_base.
7999         Change all callers.
8000         (Symbol::init_base_output_data): Likewise.
8001         (Symbol::init_base_output_segment): Likewise.
8002         (Symbol::init_base_constant): Likewise.
8003         (Symbol::init_base_undefined): New function.
8004         (Sized_symbol::init_object): Rename from init.  Change all
8005         callers.
8006         (Sized_symbol::init_output_data): Likewise.
8007         (Sized_symbol::init_output_segment): Likewise.
8008         (Sized_symbol::init_constant): Likewise.
8009         (Sized_symbol::init_undefined): New function.
8010         (Symbol_table::add_undefined_symbols_from_command_line): New
8011         function.
8012         (Symbol_table::do_add_undefined_symbols_from_command_line): New
8013         function.
8014         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
8015         (Symbol::output_section): Likewise.
8016         (Symbol::set_output_section): Likewise.
8017         (Symbol_table::sized_finalize_symbol): Likewise.
8018         (Symbol_table::sized_write_globals): Likewise.
8019         * resolve.cc (Symbol_table::should_override): Likewise.
8020         (Symbol::override_base_with_special): Likewise.
8022         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
8023         symbol, change it to have default visibility.
8024         * testsuite/protected_1.cc: New file.
8025         * testsuite/protected_2.cc: New file.
8026         * testsuite/protected_3.cc: New file.
8027         * testsuite/protected_main_1.cc: New file.
8028         * testsuite/protected_main_2.cc: New file.
8029         * testsuite/protected_main_3.cc: New file.
8030         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
8031         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
8032         (protected_1_LDFLAGS, protected_1_LDADD): Define.
8033         (protected_1.so): New target.
8034         (protected_1_pic.o, protected_2_pic.o): New targets.
8035         (protected_3_pic.o): New target.
8036         (check_PROGRAMS): Add protected_2.
8037         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
8038         (protected_2_LDFLAGS, protected_2_LDADD): Define.
8039         * testsuite/Makefile.in: Rebuild.
8041         * options.h (DEFINE_var): Add set_user_set_##varname__.
8042         (DEFINE_bool_alias): New macro.
8043         (class General_options): Define -Bstatic using DEFINE_bool_alias
8044         rather than DEFINE_special.  Add --undefined as an alias for -z
8045         defs.
8046         * options.cc (General_options::parse_Bstatic): Remove.
8048         * options.h (class General_options): Add --fatal-warnings.
8049         * main.cc (main): Implement --fatal-warnings.
8050         * errors.h (Errors::warning_count): New function.
8052         * options.h (class General_options): Add -Bsymbolic-functions.
8053         * symtab.h (Symbol::is_preemptible): Check for
8054         -Bsymbolic-functions.
8056 2008-05-05  Ian Lance Taylor  <iant@google.com>
8058         * options.h (DEFINE_bool): For DASH_Z, create the negative option
8059         as noVARNAME rather than no-VARNAME.
8060         (class General_options): Add option -z combreloc.
8061         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
8062         get_address.
8063         (Output_reloc::sort_before) [SHT_REL]: New function.
8064         (Output_reloc::sort_before) [SHT_RELA]: New function.
8065         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
8066         Sort_relocs_comparison.
8067         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
8068         parameter.  Change all callers.
8069         (Output_data_reloc::Output_data_reloc) [both versions]: Add
8070         sort_relocs parameter.  Change all callers.
8071         * output.cc (Output_reloc::get_address): New function, broken out
8072         of write_rel.
8073         (Output_reloc::write_rel): Call it.
8074         (Output_reloc::compare): New function.
8075         (Output_data_reloc_base::do_write): Optionally sort relocs.
8077         * configure.ac: If targ_extra_obj is set, link it in.
8078         * configure.tgt: Initialize all variables.
8079         (x86_64*): Set targ_extra_obj and targ_extra_size.
8080         * configure: Rebuild.
8082         * object.cc (Sized_relobj::include_section_group): Adjust section
8083         indexes read from group data.  Build vector to pass to
8084         layout_group.
8085         * layout.cc (Layout::layout_group): Add flags and shndxes
8086         parameters.  Remove contents parameter.  Change caller.  Update
8087         explicit instantiations.
8088         * layout.h (class Layout): Update layout_group declaration.
8089         * output.cc (Output_data_group::Output_data_group): Add flags and
8090         input_shndxes parameters.  Remove contents parameter.  Change
8091         caller.
8092         (Output_data_group::do_write): Change input_sections_ to
8093         input_shndxes_.
8094         * output.h (class Output_data_group): Update constructor
8095         declaration.  Rename input_sections_ to input_shndxes_.
8096         * testsuite/many_sections_test.cc: Add template.
8098 2008-04-30  Cary Coutant  <ccoutant@google.com>
8100         * target-reloc.h (relocate_section): Fix dead-pointer bug.
8102         * layout.cc (Layout::include_section): Refactored check for debug
8103         info section.
8104         (Layout::add_comdat): Add new parameters.  Change type
8105         of signature parameter.  Add object and shndx to signatures table.
8106         (Layout::find_kept_object): New function.
8107         * layout.h: Include <cstring>.
8108         (Layout::is_debug_info_section): New function.
8109         (Layout::add_comdat): Add new parameters.
8110         (Layout::find_kept_object): New function.
8111         (Layout::Kept_section): New struct.
8112         (Layout::Signatures): Change type of map range.
8113         * object.cc (Relobj::output_section_address): New function.
8114         (Sized_relobj::include_section_group): Add new parameters.  Change
8115         calls to Layout::add_comdat.  Change to build table of kept comdat
8116         groups and table mapping discarded sections to kept sections.
8117         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
8118         (Sized_relobj::do_layout): Change calls to include_section_group and
8119         include_linkonce_section.
8120         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
8121         value to zero when section is discarded.
8122         (Sized_relobj::map_to_kept_section): New function.
8123         * object.h (Relobj::output_section_address): New function.
8124         (Relobj::Comdat_group): New type.
8125         (Relobj::find_comdat_group): New function.
8126         (Relobj::Comdat_group_table): New type.
8127         (Relobj::Kept_comdat_section): New type.
8128         (Relobj::Kept_comdat_section_table): New type.
8129         (Relobj::add_comdat_group): New function.
8130         (Relobj::set_kept_comdat_section): New function.
8131         (Relobj::get_kept_comdat_section): New function.
8132         (Relobj::comdat_groups_): New field.
8133         (Relobj::kept_comdat_sections_): New field.
8134         (Symbol_value::input_value): Update comment.
8135         (Sized_relobj::map_to_kept_section) New function.
8136         (Sized_relobj::include_linkonce_section): Add new parameter.
8137         * target-reloc.h (Comdat_behavior): New type.
8138         (get_comdat_behavior): New function.
8139         (relocate_section): Add code to map a discarded section to the
8140         corresponding kept section when applying a relocation.
8142 2008-04-30  Craig Silverstein  <csilvers@google.com>
8144         * dwarf_reader.cc (next_generation_count): New static var.
8145         (Addr2line_cache_entry): New struct.
8146         (addr2line_cache): New static var.
8147         (Dwarf_line_info::one_addr2line): Added caching.
8148         (Dwarf_line_info::clear_addr2line_cache): New function.
8149         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
8150         cache-size parameter.
8151         (Dwarf_line_info::one_addr2line_cache): New function.
8152         * symtab.cc (Symbol_table::detect_odr_violations): Pass
8153         new cache-size argument to one_addr2line(), and clear cache.
8155 2008-04-28  Cary Coutant  <ccoutant@google.com>
8157         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
8158         R_386_PC8 relocations.
8160 2008-04-23  Ian Lance Taylor  <iant@google.com>
8162         * object.cc (Sized_relobj::include_section_group): Check for
8163         invalid section group.
8165         * object.cc (make_elf_object): Correct test for 64-bit ELF file
8166         header size.
8168         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
8169         than read for file header.
8170         * archive.cc (Archive::include_member): Likewise.
8172 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
8174         * aclocal.m4: Regenerate.
8175         * configure: Regenerate.
8177 2008-04-19  Ian Lance Taylor  <iant@google.com>
8179         * version.cc (version_string): Bump to 1.6.
8181         * testsuite/Makefile.am (many_sections_r_test): New target.
8182         (many_sections_r_test_SOURCES): Remove.
8183         (many_sections_r_test_DEPENDENCIES): Remove.
8184         (many_sections_r_test_LDFLAGS): Remove.
8185         (many_sections_r_test_LDADD): Remove.
8187         * object.cc (Sized_relobj::do_add_symbols): Always pass
8188         local_symbol_count_ to add_from_relobj.
8190         * testsuite/Makefile.am (many_sections_check.h): Only check one in
8191         every thousand variables.
8192         * testsuite/Makefile.in: Rebuild.
8194         * object.cc (Xindex::initialize_symtab_xindex): New function.
8195         (Xindex::read_symtab_xindex): New function.
8196         (Xindex::sym_xindex_to_shndx): New function.
8197         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
8198         available.
8199         (Sized_relobj::do_initialize_xindex): New function.
8200         (Sized_relobj::do_read_symbols): Adjust section links.
8201         (Sized_relobj::symbol_section_and_value): Add is_ordinary
8202         parameter.  Change all callers.
8203         (Sized_relobj::include_section_group): Adjust section links and
8204         symbol section indexes.
8205         (Sized_relobj::do_layout): Adjust section links.
8206         (Sized_relobj::do_count_local_symbols): Adjust section links and
8207         symbol section indexes.
8208         (Sized_relobj::do_finalize_local_symbols): Distinguish between
8209         ordinary and special symbols.
8210         (Sized_relobj::write_local_symbols): Add symtab_xindex and
8211         dynsym_xindex parameters.  Change all callers.  Adjust section
8212         links.  Use SHN_XINDEX when needed.
8213         (Sized_relobj::get_symbol_location_info): Adjust section links.
8214         Don't get fooled by special symbols.
8215         * object.h (class Xindex): Define.
8216         (class Object): Add xindex_ parameter.  Declare virtual functoin
8217         do_initialize_xindex.
8218         (Object::adjust_sym_shndx): New function.
8219         (Object::set_xindex): New protected function.
8220         (class Symbol_value): Add is_ordinary_shndx_ field.
8221         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
8222         (Symbol_value::value): Assert ordinary section.
8223         (Symbol_value::initialize_input_to_output_map): Likewise.
8224         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
8225         Change all callers.
8226         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
8227         all callers.
8228         (class Sized_relobj): Update declarations.
8229         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
8230         parameter.  Change all callers.
8231         (Sized_relobj::adjust_shndx): New function.
8232         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
8233         field.
8234         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
8235         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
8236         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
8237         (Sized_dynobj::read_dynsym_section): Adjust section links.
8238         (Sized_dynobj::read_dynamic): Likewise.
8239         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
8240         section links.
8241         (Sized_dynobj::do_initialize_xindex): New function.
8242         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
8243         do_initialize_xindex.
8244         (Sized_dynobj::adjust_shndx): New function.
8245         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8246         dynsym_xindex_ fields.
8247         (Layout::finalize): Add a call to set_section_indexes before
8248         creating the symtab sections.
8249         (Layout::set_section_indexes): Don't do anything if the section
8250         already has a section index.
8251         (Layout::create_symtab_sections): Add shnum parameter.  Change
8252         caller.  Create .symtab_shndx section if needed.
8253         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
8254         caller.
8255         (Layout::allocated_output_section_count): New function.
8256         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8257         needed.
8258         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8259         fields.  Update declarations.
8260         (Layout::symtab_xindex): New function.
8261         (Layout::dynsym_xindex): New function.
8262         (class Write_symbols_task): Add layout_ field.
8263         (Write_symbols_task::Write_symbols_task): Add layout parameter.
8264         Change caller.
8265         * output.cc (Output_section_headers::Output_section_headers): Add
8266         shstrtab_section parameter.  Change all callers.
8267         (Output_section_headers::do_sized_write): Store overflow values
8268         for section count and section string table section index in
8269         section header zero.
8270         (Output_file_header::do_sized_write): Check for overflow of
8271         section count and section string table section index.
8272         (Output_symtab_xindex::do_write): New function.
8273         (Output_symtab_xindex::endian_do_write): New function.
8274         * output.h (class Output_section_headers): Add shstrtab_section_.
8275         Update declarations.
8276         (class Output_symtab_xindex): Define.
8277         (Output_section::has_out_shndx): New function.
8278         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8279         field.
8280         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8281         Change all callers.
8282         (Sized_symbol::init): Likewise.
8283         (Symbol::output_section): Check for ordinary symbol.
8284         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
8285         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
8286         callers.
8287         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8288         Change all callers.  Simplify handling of symbols from sections
8289         not included in the link.
8290         (Symbol_table::add_from_dynobj): Handle ordinary symbol
8291         distinction.
8292         (Weak_alias_sorter::operator()): Assert that symbols are
8293         ordinary.
8294         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8295         distinction.
8296         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8297         parameters.  Change all callers.
8298         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
8299         symbol distinction.  Use SHN_XINDEX when needed.
8300         (Symbol_table::write_section_symbol): Add symtab_xindex
8301         parameter.  Change all callers.
8302         (Symbol_table::sized_write_section_symbol): Likewise.  Use
8303         SHN_XINDEX when needed.
8304         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
8305         declarations.
8306         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
8307         (Symbol::is_defined): Check is_ordinary.
8308         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8309         (Symbol::is_absolute, Symbol::is_common): Likewise.
8310         (class Sized_symbol): Update declarations.
8311         (class Symbol_table): Update declarations.
8312         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8313         parameters.  Change all callers.
8314         (Sized_symbol::override): Likewise.
8315         (Symbol_table::override): Likewise.
8316         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
8317         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
8318         is_ordinary, and orig_st_shndx parameters.  Change all callers.
8319         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8320         to be in an ordinary section.
8321         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8322         object and is_ordinary parameters.  Change all callers.
8323         (Sized_dwarf_line_info::read_relocs): Add object parameter.
8324         Change all callers.  Don't add undefined or non-ordinary symbols
8325         to reloc_map_.
8326         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8327         Change all callers.
8328         * dwarf_reader.h (class Sized_dwarf_line_info): Update
8329         declarations.
8330         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8331         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8332         (Sized_relobj::relocate_sections): Likewise.
8333         * target-reloc.h (scan_relocs): Adjust section symbol index.
8334         (scan_relocatable_relocs): Likewise.
8335         * i386.cc (Scan::local): Check for ordinary symbols.
8336         * sparc.cc (Scan::local): Likewise.
8337         * x86_64.cc (Scan::local): Likewise.
8338         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8339         to symbol_section_and_value.
8340         * testsuite/many_sections_test.cc: New file.
8341         * testsuite/Makefile.am (BUILT_SOURCES): Define.
8342         (check_PROGRAMS): Add many_sections_test.
8343         (many_sections_test_SOURCES): Define.
8344         (many_sections_test_DEPENDENCIES): Define.
8345         (many_sections_test_LDFLAGS): Define.
8346         (BUILT_SOURCES): Add many_sections_define.h.
8347         (many_sections_define.h): New target.
8348         (BUILT_SOURCES): Add many_sections_check.h.
8349         (many_sections_check.h): New target.
8350         (check_PROGRAMS): Add many_sections_r_test.
8351         (many_sections_r_test_SOURCES): Define.
8352         (many_sections_r_test_DEPENDENCIES): Define.
8353         (many_sections_r_test_LDFLAGS): Define.
8354         (many_sections_r_test_LDADD): Define.
8355         (many_sections_r_test.o): New target.
8356         * testsuite/Makefile.in: Rebuild.
8358 2008-04-17  Cary Coutant  <ccoutant@google.com>
8360         * errors.cc (Errors::info): New function.
8361         (gold_info): New function.
8362         * errors.h (Errors::info): New function.
8363         * gold.h (gold_info): New function.
8364         * object.cc (Input_objects::add_object): Print trace output.
8365         * options.cc (options::parse_set): New function.
8366         (General_options::parse_wrap): Deleted.
8367         (General_options::General_options): Deleted initializer.
8368         * options.h (options::String_set): New typedef.
8369         (options::parse_set): New function.
8370         (DEFINE_set): New macro.
8371         (General_options::wrap): Changed to use DEFINE_set. Changed
8372         callers of any_wrap_symbols and is_wrap_symbol.
8373         (General_options::trace, General_options::trace_symbol):
8374         New options.
8375         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8376         (General_options::wrap_symbols_): Deleted.
8377         * symtab.cc (Symbol_table::add_from_object): Print trace output.
8379 2008-04-17  David S. Miller  <davem@davemloft.net>
8381         * options.cc (General_options::parse_V): New function.
8382         * options.h: Add entries for -V and -Qy.
8384 2008-04-17  Ian Lance Taylor  <iant@google.com>
8386         * common.cc (Symbol_table::allocate_commons): Remove options
8387         parameter.  Change caller.
8388         (Symbol_table::do_allocate_commons): Remove options parameter.
8389         Change caller.  Just call do_allocate_commons_list twice.
8390         (Symbol_table::do_allocate_commons_list): New function, broken out
8391         of do_allocate_commons.
8392         * common.h (class Allocate_commons_task): Remove options_ field.
8393         Update constructor.
8394         * symtab.cc (Symbol_table::Symbol_table): Initialize
8395         tls_commons_.
8396         (Symbol_table::add_from_object): Put TLS common symbols on
8397         tls_commons_ list.
8398         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8399         which are IN_OUTPUT_DATA.
8400         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
8401         allocate_commons and do_allocate_commons declarations.  Declare
8402         do_allocate_commons_list.
8403         * gold.cc (queue_middle_tasks): Update creation of
8404         Allocate_commons_task to not pass options.
8405         * testsuite/Makefile.am (INCLUDES): Add -I.. .
8406         (TLS_TEST_C_FLAGS): New variable.
8407         (tls_test_c_pic.o): New target.
8408         (tls_test_shared.so): Link in tls_test_c_pic.o.
8409         (tls_test_c_pic_ie.o): New target.
8410         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8411         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8412         (tls_test_c.o): New target.
8413         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8414         (tls_pic_test_LDADD): Likewise.
8415         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8416         (tls_shared_gd_to_ie_test_LDADD): Likewise.
8417         (tls_test_c_gnu2.o): New target.
8418         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8419         tls_test_c_gnu2.o.
8420         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8421         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8422         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8423         * testsuite/tls_test.cc: Include "config.h".
8424         (t_last): Call t11_last.
8425         * testsuite/tls_test.h (t11, t11_last): Declare.
8426         * testsuite/tls_test_c.c: New file.
8427         * testsuite/tls_test_main.cc (thread_routine): Call t11.
8428         * configure.ac: Check for OpenMP support.
8429         * configure, config.in, Makefile.in: Rebuild.
8430         * testsuite/Makefile.in: Rebuild.
8432 2008-04-16  Cary Coutant  <ccoutant@google.com>
8434         * i386.cc (Target_i386::define_tls_base_symbol): New function.
8435         (Target_i386::tls_base_symbol_defined_): New field.
8436         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8437         (Target_i386::Scan::global): Likewise.
8438         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8439         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8440         (Target_x86_64::tls_base_symbol_defined_): New field.
8441         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8442         (Target_x86_64::Scan::global): Likewise.
8444 2008-04-16  Cary Coutant  <ccoutant@google.com>
8446         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8447         (Symbol::needs_plt_entry): Allow weak undefined symbols.
8448         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8449         building shared libraries.
8450         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8451         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8452         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8453         * testsuite/Makefile.in: Rebuild.
8454         * testsuite/weak_undef.h: New file.
8455         * testsuite/weak_undef_file1.cc: Add extra test cases.
8456         * testsuite/weak_undef_file2.cc: Likewise.
8457         * testsuite/weak_undef_test.cc: Likewise.
8459 2008-04-16  David S. Miller  <davem@davemloft.net>
8461         * sparc.cc (Target_sparc::Scan): Change from struct to class.
8462         Add issued_non_pic_error_ field.  Declare check_non_pic.
8463         (Target_sparc::Scan::check_non_pic): New function.
8464         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8465         (Target_sparc::Scan::global): Likewise.
8467         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8468         * configure: Rebuild.
8470         * options.h (DEFINE_enable): New macro.
8471         (new_dtags): New enable option.
8472         (initfirst, interpose, loadfltr, nodefaultlib,
8473         nodelete, nodlopen, nodump): New -z options.
8474         * layout.cc (Layout:finish_dynamic_section): If new
8475         dtags enabled, emit DT_RUNPATH.  Also, emit a
8476         DT_FLAGS_1 containing any specified -z flags.
8478 2008-04-16  Ian Lance Taylor  <iant@google.com>
8480         * copy-relocs.cc: New file.
8481         * copy-relocs.h: New file.
8482         * reloc.cc: Remove Copy_relocs code.
8483         * reloc.h: Likewise.
8484         * reloc-types.h (struct Reloc_types) [both versions]: Add
8485         get_reloc_addend_noerror.
8486         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8487         variants of add_global which take an addend which must be zero.
8488         * i386.cc: Include "copy-relocs.h".
8489         (class Target_i386): Change type of copy_relocs_ to variable,
8490         update initializer.
8491         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8492         Change all callers.
8493         (Target_i386::do_finalize_sections): Change handling of
8494         copy_relocs_.
8495         * sparc.cc: Include "copy-relocs.h".
8496         (class Target_sparc): Change type of copy_relocs_ to variable,
8497         update initializer.
8498         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8499         Change all callers.
8500         (Target_sparc::do_finalize_sections): Change handling of
8501         copy_relocs_.
8502         * x86_64.cc: Include "copy-relocs.h".
8503         (class Target_x86_64): Change type of copy_relocs_ to variable,
8504         update initializer.
8505         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8506         class.  Change all callers.
8507         (Target_x86_64::do_finalize_sections): Change handling of
8508         copy_relocs_.
8509         * Makefile.am (CCFILES): Add copy-relocs.cc.
8510         (HFILES): Add copy-relocs.h.
8512         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
8514         * testsuite/script_test_4.sh: Permit leading zeroes.
8516 2008-04-15  Ian Lance Taylor  <iant@google.com>
8518         * script-sections.cc (Script_sections::create_segments): Use
8519         header_size_adjustment even when there is enough room for the
8520         headers.
8521         * testsuite/script_test_4.sh: New file.
8522         * testsuite/script_test_4.t: New file.
8523         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
8524         (check_DATA): Add script_test_4.stdout.
8525         (MOSTLYCLEANFILES): Likewise.
8526         (script_test_4): New target.
8527         (script_test_4.stdout): New target.
8528         * testsuite/Makefile.in: Rebuild.
8530         * sparc.cc: Add definitions for Output_data_plt_sparc class
8531         constants.
8533 2008-04-14  David S. Miller  <davem@davemloft.net>
8535         * sparc.cc: New file.
8536         * Makefile.am (TARGETSOURCES): Add sparc.cc
8537         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
8538         * configure.tgt: Document targ_extra_size and
8539         targ_extra_big_endian.  Add entries for sparc-* and
8540         sparc64-*.
8541         * configure.ac: Handle targ_extra_size and
8542         targ_extra_big_endian.
8543         * Makefile.in: Rebuild.
8544         * configure: Likewise.
8545         * po/POTFILES.in: Likewise.
8546         * po/gold.pot: Likewise.
8548 2008-04-14  Ian Lance Taylor  <iant@google.com>
8550         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
8551         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
8552         in the name/type/flags to section mapping.  Don't call
8553         allocate_output_section.
8554         (Layout::choose_output_section): Change parameter from adjust_name
8555         to is_input_section.  Don't permit input sections after sections
8556         are attached to segments.  Don't call allocate_output_section.
8557         (Layout::layout_eh_frame): Call update_flags_for_input_section,
8558         not write_enable_output_section.
8559         (Layout::make_output_section): Don't push to
8560         unattached_section_list_ nor call attach_to_segment.  Call
8561         attach_section_to_segment if sections are attached.
8562         (Layout::attach_sections_to_segments): New function.
8563         (Layout::attach_section_to_segment): New function.
8564         (Layout::attach_allocated_section_to_segment): Rename from
8565         attach_to_segment.  Remove flags parameter.
8566         (Layout::allocate_output_section): Remove function.
8567         (Layout::write_enable_output_section): Remove function.
8568         * layout.h (class Layout): Update for above changes.  Add new
8569         field sections_are_attached_.
8570         * output.h (Output_section::update_flags_for_input_section): New
8571         function.
8572         * output.cc (Output_section::add_input_section): Call
8573         update_flags_for_input_section.
8574         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
8576 2008-04-11  Cary Coutant  <ccoutant@google.com>
8578         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
8579         thought unnecessary.
8580         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
8582 2008-04-11  Ian Lance Taylor  <iant@google.com>
8584         * output.h (class Output_section_data): Remove inline definition
8585         of set_addralign.
8586         * output.cc (Output_section_data::set_addralign): New function.
8588 2008-04-11  Cary Coutant  <ccoutant@google.com>
8590         Add support for TLS descriptors for i386 and x86_64.
8591         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
8592         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
8593         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
8594         GOT_TYPE_TLS_DESC.
8595         (Target_i386::got_mod_index_entry): Remove unnecessary code.
8596         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
8597         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
8598         relocations.
8599         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
8600         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
8601         Fix problem with initial-exec relocations.
8602         (Target_i386::Relocate::relocate_tls): Likewise.
8603         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
8604         relaxation.
8605         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
8606         support for section-plus-offset dynamic table entries.
8607         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
8608         (Output_data_dynamic::Dynamic_entry): Add support for
8609         section-plus-offset dynamic table entries.
8610         (Output_data_dynamic::Classification): Likewise.
8611         (Output_data_dynamic::classification_): Renamed offset_.
8612         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
8613         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
8614         (Target_x86_64::make_plt_section): New function.
8615         (Target_x86_64::reserve_tlsdesc_entries): New function.
8616         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
8617         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
8618         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
8619         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
8620         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
8621         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
8622         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
8623         add extra PLT entry for TLS descriptors.
8624         (Output_data_plt_x86_64::got_): New field.
8625         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
8626         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
8627         fields.
8628         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
8629         descriptors.
8630         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
8631         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
8632         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
8633         R_386_TLS_DESC_CALL relocations.
8634         (Target_x86_64::Scan::global): Likewise.
8635         (Target_x86_64::do_finalize_sections): Add dynamic table entries
8636         for TLS descriptors.
8637         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
8638         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
8639         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
8640         GD-to-IE relaxation.
8641         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
8642         and TLS_DESCRIPTORS.
8643         * Makefile.in: Rebuild.
8644         * configure: Rebuild.
8645         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
8646         (tls_test_shared2.so): New target.
8647         (tls_shared_gd_to_ie_test_SOURCES): New variable.
8648         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
8649         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
8650         (tls_shared_gd_to_ie_test_LDADD): New variable.
8651         (tls_shared_gnu2_gd_to_ie_test): New target.
8652         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
8653         New targets.
8654         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
8655         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
8656         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
8657         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
8658         (tls_shared_gnu2_test): New target.
8659         (tls_test_gnu2_shared.so): New target.
8660         (tls_shared_gnu2_test_SOURCES): New variable.
8661         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
8662         (tls_shared_gnu2_test_LDFLAGS): New variable.
8663         (tls_shared_gnu2_test_LDADD): New variable.
8664         * testsuite/Makefile.in: Rebuild.
8665         * testsuite/Makefile.
8667 2008-04-11  Ian Lance Taylor  <iant@google.com>
8669         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
8670         justsyms.t.
8671         * testsuite/Makefile.in: Rebuild.
8673         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
8674         long.
8675         * testsuite/script_test_2.cc (main): Adjust test.
8677 2008-04-11  David S. Miller  <davem@davemloft.net>
8678             Ian Lance Taylor  <iant@google.com>
8680         * options.h (General_options): Add entries for '-Y' and
8681         '-relax'.
8682         * options.cc (General_options:finalize): If -Y was used, add those
8683         entries to the library path instead of the default "/lib" and
8684         "/usr/lib".
8686 2008-04-11  David S. Miller  <davem@davemloft.net>
8688         * testsuite/justsyms.t: Start at 0x100.
8689         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
8690         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
8691         long.
8692         * testsuite/script_test_2.cc: Adjust string and section length
8693         checks.
8695 2008-04-09  Ian Lance Taylor  <iant@google.com>
8697         PR gold/5996
8698         * script-sections.cc (Sections_element::allocate_to_segment): Add
8699         orphan parameter.
8700         (Output_section_definition::allocate_to_segment): Likewise.
8701         (Orphan_output_section::allocate_to_segment): Likewise.
8702         (Script_sections::attach_sections_using_phdrs_clause): Don't
8703         propagate non-PT_LOAD segments to orphan sections.
8704         * testsuite/Makefile.am (script_test_3.stdout): Generate using
8705         readelf rather than objdump.
8706         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
8707         .interp section and PT_INTERP segment are the same size.
8708         * testsuite/Makefile.in: Rebuild.
8710         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
8711         aliases for symbols defined in the same object.
8712         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
8713         (weak_alias_test_SOURCES): New variable.
8714         (weak_alias_test_DEPENDENCIES): New variable.
8715         (weak_alias_test_LDFLAGS): New variable.
8716         (weak_alias_test_LDADD): New variable.
8717         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
8718         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
8719         (weak_alias_test_3.o): New target.
8720         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
8721         * testsuite/weak_alias_test_main.cc: New file.
8722         * testsuite/weak_alias_test_1.cc: New file.
8723         * testsuite/weak_alias_test_2.cc: New file.
8724         * testsuite/weak_alias_test_3.cc: New file.
8726 2008-04-08  Ian Lance Taylor  <iant@google.com>
8728         * options.h (class General_options): Add --noinhibit-exec option.
8729         * main.cc (main): Check --noinhibit-exec.
8731         * options.h (class General_options): Define --wrap as a special
8732         option.  Add wrap_symbols_ field.
8733         (General_options::any_wrap_symbols): New function.
8734         (General_options::is_wrap_symbol): New function.
8735         * options.cc (General_options::parse_wrap): New function.
8736         (General_options::General_options): Initialize wrap_symbols_.
8737         * symtab.cc (Symbol_table::wrap_symbol): New function.
8738         (Symbol_table::add_from_object): Handle --wrap.
8739         * symtab.h (class Symbol_table): Declare wrap_symbol.
8740         * target.h (Target::wrap_char): New function.
8741         (Target::Target_info): Add wrap_char field.
8742         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
8743         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8744         * testsuite/testfile.cc (Target_test::test_target_info):
8745         Likewise.
8747         * errors.cc (Errors::undefined_symbol): Mention symbol version if
8748         there is one.
8750         * layout.h (class Layout): Add added_eh_frame_data_ field.
8751         * layout.cc (Layout::Layout): Initialize new field.
8752         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
8753         output section until we find a section we merged successfully.
8754         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
8755         that the size be non-zero.
8757         * merge.cc (Object_merge_map::get_output_offset): Remove inline
8758         qualifier.
8760 2008-04-08  Craig Silverstein  <csilvers@google.com>
8762         * configure.ac: Export new conditional variable HAVE_ZLIB.
8763         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
8764         on HAVE_ZLIB.
8765         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
8766         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8768 2008-04-07  Ian Lance Taylor  <iant@google.com>
8770         * version.cc (version_string): Set to "1.5".
8772         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
8773         Add issued_non_pic_error_ field.  Declare check_non_pic.
8774         (Target_x86_64::Scan::check_non_pic): New function.
8775         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
8776         (Target_x86_64::Scan::global): Likewise.
8778         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
8779         addend parameter.  Change caller.  Handle merge sections.
8780         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
8781         Address to Addend.  Don't add in the result of
8782         local_section_offset, pass down the addend and use the returned
8783         value.
8784         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
8785         Update declarations of local_section_offset and symbol_value.
8786         * testsuite/two_file_test_1.cc (t18): New function.
8787         * testsuite/two_file_test_2.cc (f18): New function.
8788         * testsuite/two_file_test_main.cc (main): Call t18.
8789         * testsuite/two_file_test.h (t18, f18): Declare.
8791         * configure.ac: Don't test for objdump, c++filt, or readelf.
8792         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
8793         conditionals.
8794         (TEST_READELF): New variable.
8795         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
8796         (check_PROGRAMS): Add two_file_strip_test.
8797         (two_file_strip_test): New target.
8798         (check_PROGRAMS): Add two_file_same_shared_strip_test.
8799         (two_file_same_shared_strip_test_SOURCES): New variable.
8800         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
8801         (two_file_same_shared_strip_test_LDFLAGS): New variable.
8802         (two_file_same_shared_strip_test_LDADD): New variable.
8803         (two_file_shared_strip.so): New target.
8804         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
8805         (ver_test_5.syms, ver_test_7.syms): Likewise.
8806         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
8807         (strip_test_3.stdout): Use TEST_OBJDUMP.
8808         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8810 2008-04-04  Cary Coutant  <ccoutant@google.com>
8812         * symtab.h (Symbol::is_weak_undefined): New function.
8813         (Symbol::is_strong_undefined): New function.
8814         (Symbol::is_absolute): New function.
8815         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
8816         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
8817         absolute symbols.
8818         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
8819         (weak_undef_test): New target.
8820         * testsuite/Makefile.in: Rebuild.
8821         * testsuite/weak_undef_file1.cc: New file.
8822         * testsuite/weak_undef_file2.cc: New file.
8823         * testsuite/weak_undef_test.cc: New file.
8825 2008-04-03  Craig Silverstein  <csilvers@google.com>
8827         * compressed_output.h (class Output_compressed_section): Use
8828         unsigned buffer.
8829         * compressed_output.cc (zlib_compress): Use unsigned buffers,
8830         add zlib header.
8831         (zlib_compressed_suffix): Removed.
8832         (Output_compressed_section::set_final_data_size): Use unsigned
8833         buffers.
8834         * testsuite/Makefile.am (flagstest_compress_debug_sections):
8835         Fix linker invocation.
8836         (flagstest_o_specialfile_and_compress_debug_sections):
8837         Likewise.
8838         * testsuite/Makefile.in: Regenerated.
8840 2008-04-02  David S. Miller  <davem@davemloft.net>
8842         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
8843         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
8845 2008-04-02  Craig Silverstein  <csilvers@google.com>
8847         * TODO: New file.
8849 2008-04-02  Ian Lance Taylor  <iant@google.com>
8851         * fileread.cc (File_read::find_view): Add byteshift and vshifted
8852         parameters.  Update for new key type to views_.  Change all
8853         callers.
8854         (File_read::read): Adjust for byteshift in returned view.
8855         (File_read::add_view): New function, broken out of
8856         find_and_make_view.
8857         (File_read::make_view): New function, broken out of
8858         find_and_make_view.
8859         (File_read::find_or_make_view): Add offset and aligned
8860         parameters.  Rewrite accordingly.  Change all callers.
8861         (File_read::get_view): Add offset and aligned parameters.  Adjust
8862         for byteshift in return value.
8863         (File_read::get_lasting_view): Likewise.
8864         * fileread.h (class File_read): Update declarations.
8865         (class File_read::View): Add byteshift_ field.  Add byteshift to
8866         constructor.  Add byteshift method.
8867         * archive.h (Archive::clear_uncached_views): New function.
8868         (Archive::get_view): Add aligned parameter.  Change all callers.
8869         * object.h (Object::get_view): Add aligned parameter.  Change all
8870         callers.
8871         (Object::get_lasting_view): Likewise.
8873         * fileread.cc (File_read::release): Don't call clear_views if
8874         there are multiple objects.
8875         * fileread.h (File_read::clear_uncached_views): New function.
8876         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
8877         on the archive.
8879 2008-03-31  Cary Coutant  <ccoutant@google.com>
8881         Add thin archive support.
8882         * archive.cc (Archive::armagt): New const.
8883         (Archive::setup): Remove task parameter and calls to unlock.
8884         (Archive::unlock_nested_archives): New function.
8885         (Archive::read_header): Add nested_off parameter. Change
8886         all callers.
8887         (Archive::interpret_header): Likewise.
8888         (Archive::include_all_members): Change to handle thin
8889         archives.
8890         (Archive::include_member): Likewise.
8891         * archive.h (Archive::Archive): Add new parameters and
8892         initializers.
8893         (Archive::armagt): New const.
8894         (Archive::setup): Remove task parameter.
8895         (Archive::unlock_nested_archives): New function.
8896         (Archive::read_header): Add nested_off parameter.
8897         (Archive::interpret_header): Likewise.
8898         (Archive::Nested_archive_table): New typedef.
8899         (Archive::is_thin_archive_): New field.
8900         (Archive::nested_archives_): New field.
8901         (Archive::options_): New field.
8902         (Archive::dirpath_): New field.
8903         (Archive::task_): New field.
8904         * readsyms.cc (Read_symbols::do_read_symbols): Add check
8905         for thin archives.  Pass additional parameters to
8906         Archive::Archive.  Unlock the archive file after calling
8907         Archive::setup.
8909 2008-03-29  Ian Lance Taylor  <iant@google.com>
8911         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
8912         version symbol to be local.
8913         * testsuite/ver_test_4.sh: New file.
8914         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
8915         (check_DATA): Add ver_test_4.syms.
8916         (ver_test_4.syms): New target.
8917         * testsuite/Makefile.in: Rebuild.
8919         * output.cc
8920         (Output_section::Input_section_sort_entry::has_priority): New
8921         function.
8922         (Output_section::Input_section_sort_entry::match_file_name): New
8923         function.
8924         (Output_section::Input_section_sort_entry::match_section_name):
8925         Remove.
8926         (Output_section::Input_section_sort_entry::match_section_name_prefix):
8927         Remove.
8928         (Output_section::Input_section_sort_entry::match_section_file):
8929         Remove.
8930         (Output_section::Input_section_sort_compare::operator()): Rewrite
8931         using new Input_section_sort_entry functions.  Sort crtbegin and
8932         crtend first.  Sort sections with no priority before sections with
8933         a priority.
8934         * testsuite/initpri1.c (d3): Check j != 4.
8935         (cd5): New constructor/destructor function.
8936         (main): Check j != 2.
8938         * symtab.cc (Symbol_table::add_from_object): If we don't use the
8939         new symbol when resolving, don't call set_is_default.
8940         * testsuite/ver_test_7.cc: New file.
8941         * testsuite/ver_test_7.sh: New file.
8942         * testsuite/Makefile.am (ver_test_7.so): New target.
8943         (ver_test_7.o): New target.
8944         (check_SCRIPTS): Add ver_test_7.sh.
8945         (check_DATA): Add ver_test_7.syms.
8946         (ver_test_7.syms): New target.
8948 2008-03-28  Ian Lance Taylor  <iant@google.com>
8950         * layout.cc (Layout::layout): If we see an input section with a
8951         name that needs sorting, set the must_sort flag for the output
8952         section.
8953         (Layout::make_output_section): If the name of the output section
8954         indicates that it might require sorting, set the may_sort flag.
8955         * output.h (Output_section::may_sort_attached_input_sections): New
8956         function.
8957         (Output_section::set_may_sort_attached_input_sections): New
8958         function.
8959         (Output_section::must_sort_attached_input_sections): New
8960         function.
8961         (Output_section::set_must_sort_attached_input_sections): New
8962         function.
8963         (class Output_section): Declare Input_section_sort_entry.  Define
8964         Input_section_sort_compare.  Declare
8965         sort_attached_input_sections.  Add new fields:
8966         may_sort_attached_input_sections_,
8967         must_sort_attached_input_sections_,
8968         attached_input_sections_are_sorted_.
8969         * output.cc (Output_section::Output_section): Initialize new
8970         fields.
8971         (Output_section::add_input_section): Add an entry to
8972         input_sections_ if may_sort or must_sort are true.
8973         (Output_section::set_final_data_size): Call
8974         sort_attached_input_sections if necessary.
8975         (Output_section::Input_section_sort_entry): Define new class.
8976         (Output_section::Input_section_sort_compare::operator()): New
8977         function.
8978         (Output_section::sort_attached_input_sections): New function.
8979         * configure.ac: Check whether the compiler supports constructor
8980         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
8981         * testsuite/initpri1.c: New file.
8982         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
8983         CONSTRUCTOR_PRIORITY.
8984         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
8985         (initpri1_LDFLAGS): New variable.
8986         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8988 2008-03-27  Ian Lance Taylor  <iant@google.com>
8990         * common.cc (Sort_commons::operator): Correct sorting algorithm.
8991         * testsuite/common_test_1.c: New file.
8992         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
8993         (common_test_1_SOURCES): New variable.
8994         (common_test_1_DEPENDENCIES): New variable.
8995         (common_test_1_LDFLAGS): New variable.
8997         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
8998         and commons_ correctly when NAME/VERSION does not override
8999         NAME/NULL.
9000         * testsuite/ver_test_6.c: New file.
9001         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
9002         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
9003         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
9005 2008-03-26  Ian Lance Taylor  <iant@google.com>
9007         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
9008         of an undefined symbol from a version script.
9009         * testsuite/Makefile.am (ver_test_5.so): New target.
9010         (ver_test_5.o): New target.
9011         (check_SCRIPTS): Add ver_test_5.sh.
9012         (check_DATA): Add ver_test_5.syms.
9013         (ver_test_5.syms): New target.
9014         * testsuite/ver_test_5.cc: New file.
9015         * testsuite/ver_test_5.script: New file.
9016         * testsuite/ver_test_5.sh: New file.
9017         * Makefile.in, testsuite/Makefile.in: Rebuild.
9019         PR gold/5986
9020         Fix problems building gold with gcc 4.3.0.
9021         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
9022         (gold_error_at_location, gold_warning_at_location): Use it.
9023         * configure.ac: Check whether we can compile and use a template
9024         function with a printf attribute.
9025         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
9026         when jumping over bytes.
9027         * object.cc: Instantiate Object::read_section_data.
9028         * debug.h: Include <cstring>
9029         * dwarf_reader.cc: Include <algorithm>
9030         * main.cc: Include <cstring>.
9031         * options.cc: Include <cstring>.
9032         * output.cc: Include <cstring>.
9033         * script.cc: Include <cstring>.
9034         * script.h: Include <string>.
9035         * symtab.cc: Include <cstring> and <algorithm>.
9036         * target-select.cc: Include <cstring>.
9037         * version.cc: Include <string>.
9038         * testsuite/testmain.cc: Include <cstdlib>.
9039         * configure, config.in: Rebuild.
9041 2008-03-25  Ian Lance Taylor  <iant@google.com>
9043         * options.cc: Include "../bfd/bfdver.h".
9044         (options::help): Print bug reporting address.
9046         * version.cc (print_version): Adjust output for current value of
9047         BFD_VERSION_STRING.
9049         * NEWS: New file.
9051         * options.cc (options::help): Print list of supported targets.
9052         * target-select.h: Include <vector>.
9053         (class Target_selector): Make machine_, size_, and is_big_endian_
9054         fields const.  Add bfd_name_ and instantiated_target_ fields.
9055         (Target_selector::Target_selector): Add bfd_name parameter.
9056         (Target_selector::recognize): Make non-virtual, call
9057         do_recognize.
9058         (Target_selector::recognize_by_name): Make non-virtual, call
9059         do_recognize_by_name.
9060         (Target_selector::supported_names): New function.
9061         (Target_selector::bfd_name): New function.
9062         (Target_selector::do_instantiate_target): New pure virtual
9063         function.
9064         (Target_selector::do_recognize): New virtual function.
9065         (Target_selector::do_recognize_by_name): New virtual function.
9066         (Target_selector::instantiate_target): New private function.
9067         (supported_target_names): Declare.
9068         * target-select.cc (Target_selector::Target_selector): Update for
9069         new parameter and fields.
9070         (select_target_by_name): Check that the name matches before
9071         calling recognize_by_name.
9072         (supported_target_names): New function.
9073         * i386.cc (class Target_selector_i386): Update Target_selector
9074         constructor call.  Remove recognize and recognize_by_name.  Add
9075         do_instantiate_target.
9076         * x86_64.cc (class Target_selector_x86_64): Likewise.
9077         * testsuite/testfile.cc (class Target_selector_test): Update for
9078         changes to Target_selector.
9080         * README: Rewrite, with some notes on unsupported features.
9082 2008-03-24  Cary Coutant  <ccoutant@google.com>
9084         * i386.cc (Target_i386::Got_type): New enum declaration.
9085         (Target_i386::Scan::local): Updated callers of Output_data_got
9086         member functions.
9087         (Target_i386::Scan::global): Likewise.
9088         (Target_i386::Relocate::relocate): Likewise.
9089         (Target_i386::Relocate::relocate_tls): Likewise.
9090         * object.h (Got_offset_list): New class.
9091         (Sized_relobj::local_has_got_offset): Added got_type parameter.
9092         (Sized_relobj::local_got_offset): Likewise.
9093         (Sized_relobj::set_local_got_offset): Likewise.
9094         (Sized_relobj::local_has_tls_got_offset): Removed.
9095         (Sized_relobj::local_tls_got_offset): Removed.
9096         (Sized_relobj::set_local_tls_got_offset): Removed.
9097         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
9098         * output.cc (Output_data_got::add_global): Added got_type parameter.
9099         (Output_data_got::add_global_with_rel): Likewise.
9100         (Output_data_got::add_global_with_rela): Likewise.
9101         (Output_data_got::add_global_pair_with_rel): New function.
9102         (Output_data_got::add_global_pair_with_rela): New function.
9103         (Output_data_got::add_local): Added got_type parameter.
9104         (Output_data_got::add_local_with_rel): Likewise.
9105         (Output_data_got::add_local_with_rela): Likewise.
9106         (Output_data_got::add_local_pair_with_rel): New function.
9107         (Output_data_got::add_local_pair_with_rela): New function.
9108         (Output_data_got::add_global_tls): Removed.
9109         (Output_data_got::add_global_tls_with_rel): Removed.
9110         (Output_data_got::add_global_tls_with_rela): Removed.
9111         (Output_data_got::add_local_tls): Removed.
9112         (Output_data_got::add_local_tls_with_rel): Removed.
9113         (Output_data_got::add_local_tls_with_rela): Removed.
9114         * output.h (Output_data_got::add_global): Added got_type parameter.
9115         (Output_data_got::add_global_with_rel): Likewise.
9116         (Output_data_got::add_global_with_rela): Likewise.
9117         (Output_data_got::add_global_pair_with_rel): New function.
9118         (Output_data_got::add_global_pair_with_rela): New function.
9119         (Output_data_got::add_local): Added got_type parameter.
9120         (Output_data_got::add_local_with_rel): Likewise.
9121         (Output_data_got::add_local_with_rela): Likewise.
9122         (Output_data_got::add_local_pair_with_rel): New function.
9123         (Output_data_got::add_local_pair_with_rela): New function.
9124         (Output_data_got::add_global_tls): Removed.
9125         (Output_data_got::add_global_tls_with_rel): Removed.
9126         (Output_data_got::add_global_tls_with_rela): Removed.
9127         (Output_data_got::add_local_tls): Removed.
9128         (Output_data_got::add_local_tls_with_rel): Removed.
9129         (Output_data_got::add_local_tls_with_rela): Removed.
9130         * resolve.cc (Symbol::override_base_with_special): Removed
9131         reference to has_got_offset_ field.
9132         * symtab.cc (Symbol::init_fields): Replaced initialization
9133         of got_offset_ with got_offsets_.  Removed initialization
9134         of has_got_offset_
9135         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
9136         (Symbol::got_offset): Likewise.
9137         (Symbol::set_got_offset): Likewise.
9138         (Symbol::has_tls_got_offset): Removed.
9139         (Symbol::tls_got_offset): Removed.
9140         (Symbol::set_tls_got_offset): Removed.
9141         (Symbol::got_offset_): Removed.
9142         (Symbol::tls_mod_got_offset_): Removed.
9143         (Symbol::tls_pair_got_offset_): Removed.
9144         (Symbol::got_offsets_): New field.
9145         (Symbol::has_got_offset): Removed.
9146         (Symbol::has_tls_mod_got_offset): Removed.
9147         (Symbol::has_tls_pair_got_offset): Removed.
9148         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
9149         (Target_x86_64::Scan::local): Updated callers of Output_data_got
9150         member functions.
9151         (Target_x86_64::Scan::global): Likewise.
9152         (Target_x86_64::Relocate::relocate): Likewise.
9153         (Target_x86_64::Relocate::relocate_tls): Likewise.
9155 2008-03-25  Ben Elliston  <bje@au.ibm.com>
9157         * yyscript.y: Fix spelling error in comment.
9159 2008-03-24  Ian Lance Taylor  <iant@google.com>
9161         * options.h (class General_options): Define build_id option.
9162         * layout.h (class Layout): Declare write_build_id, create_note,
9163         create_build_id.  Add build_id_note_ member.
9164         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
9165         "libiberty.h", "md5.h", "sha1.h".
9166         (Layout::Layout): Initialize eh_frame_data_,
9167         eh_frame_hdr_section_, and build_id_note_.
9168         (Layout::finalize): Call create_build_id.
9169         (Layout::create_note): New function, broken out of
9170         Layout::create_gold_note.
9171         (Layout::create_gold_note): Call create_note.
9172         (Layout::create_build_id): New function.
9173         (Layout::write_build_id): New function.
9174         (Close_task_runner::run): Call write_build_id.
9176         * x86_64.cc: Correct license to GPLv3.
9178 2008-03-23  Ian Lance Taylor  <iant@google.com>
9180         * options.cc: Include "demangle.h".
9181         (parse_optional_string): New function.
9182         (parse_long_option): Handle takes_optional_argument.
9183         (parse_short_option): Update dash_z initializer.  Handle
9184         takes_optional_argument.
9185         (General_options::General_options): Initialize do_demangle_.
9186         (General_options::finalize): Set do_demangle_.  Handle demangling
9187         style.
9188         * options.h (parse_optional_string): Declare.
9189         (struct One_option): Add optional_arg field.  Update constructor.
9190         Update call constructor calls.  Add takes_optional_argument
9191         function.
9192         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
9193         (DEFINE_optional_string): Define.
9194         (General_options::demangle): Change from DEFINE_bool to
9195         DEFINE_optional_string.
9196         (General_options::no_demangle): New function.
9197         (General_options::do_demangle): New function.
9198         (General_options::set_do_demangle): New function.
9199         (General_options::execstack_status_): Move definition to end of
9200         class definition.
9201         (General_options::static_): Likewise.
9202         (General_options::do_demangle_): New field.
9203         * object.cc (big_endian>::get_symbol_location_info): Call
9204         Options::do_demangle, not Options::demangle.
9205         * symtab.cc (demangle): Likewise.
9207 2008-03-22  Ian Lance Taylor  <iant@google.com>
9209         * gold.h: Include <cstddef> and <sys/types.h>
9210         * options.h: Include <cstring>.
9212 2008-03-21  Ian Lance Taylor  <iant@google.com>
9214         * Added source code to GNU binutils.