gold/
[external/binutils.git] / gold / ChangeLog
1 2013-04-15  Cary Coutant  <ccoutant@google.com>
2
3         * symtab.cc (Symbol_table::sized_write_globals): Subtract
4         section starting address for relocatable link.
5         * testsuite/Makefile.am (script_test_11): New test.
6         * testsuite/Makefile.in: Regenerate.
7         * testsuite/script_test_11.c: New source file.
8         * testsuite/script_test_11.t: New linker script.
9
10 2013-04-13  Alan Modra  <amodra@gmail.com>
11
12         * powerpc.cc (Stub_control::can_add_to_stub_group): Don't set
13         owner when sections are not adjacent and exceed group size.
14         (Target_powerpc::group_sections): Handle corner case.
15         (Target_powerpc::Branch_info::make_stub): Handle case where
16         stub table doesn't exist due to branches in non-exec sections.
17         (Target_powerpc::Relocate::relocate): Likewise.
18
19 2013-04-11  Alan Modra  <amodra@gmail.com>
20
21         PR gold/15354
22         * powerpc.cc (Target_powerpc::make_brlt_section): Name section
23         .branch_lt to match bfd ld.  Adjust comments throughout file.
24
25 2013-04-04  Ian Lance Taylor  <iant@google.com>
26
27         GCC PR c++/56840
28         * object.cc (do_layout_deferred_sections): Handle .eh_frame
29         sections before checking whether they are included in the link.
30
31 2013-03-29  Sriraman Tallam  <tmsriram@google.com>
32
33         * archive.cc (Archive::get_elf_object_for_member):  Create the elf
34         object before calling the plugin claim_file handler.  Pass the elf
35         object of the archive to the plugin. Delete the elf object if the
36         plugin claims the file.
37
38 2013-03-21  Alan Modra  <amodra@gmail.com>
39
40         * layout.cc (Layout::set_segment_offsets): Accept writable .text
41         segment when omagic.
42
43 2013-03-21  Alan Modra  <amodra@gmail.com>
44
45         * dwp.cc (Dwp_output_file::add_contribution): Avoid signed/unsigned
46         comparison warning.
47         * layout.cc (Layout::create_dynamic_symtab): Avoid "may be used
48         uninitialized" warning.
49
50 2013-03-20  Alan Modra  <amodra@gmail.com>
51
52         * symtab.h (Symbol::clear_version): New function.
53         * symtab.cc (Symbol_table::set_dynsym_indexes): Don't set object
54         is_needed by weak references.  Clear version for symbols defined
55         in as-needed objects that are not needed.
56
57 2013-03-15  Alan Modra  <amodra@gmail.com>
58
59         * powerpc.cc (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Make
60         static and public.  Add report_err param.  Return false for data refs.
61         (Target_powerpc::rela_dyn_section): New overloaded function.
62         (Target_powerpc::plt_, iplt_): Elucidate.
63         (Output_data_plt_powerpc::entry_count): Handle current_data_size()==0.
64         (Output_data_plt_powerpc::do_write): Don't write .iplt.
65         (Output_data_plt_powerpc::plt_entry_count): Don't add .iplt entries.
66         (Target_powerpc::Scan::local, global): Adjust reloc_needs_plt_for_ifunc
67         calls.  Put ifunc dynamic relocs in irela_dyn_section.  Only
68         push_branch and make_plt_entry for ifunc syms when
69         reloc_needs_plt_for_ifunc.
70         (Target_powerpc::Relocate::relocate): Don't use plt entry value
71         for ifunc unless reloc_needs_plt_for_ifunc.
72
73 2013-03-15  Alan Modra  <amodra@gmail.com>
74
75         * gc.h (gc_process_relocs): Don't look through function descriptors.
76         * icf.cc (get_section_contents): Do so here instead.
77
78 2013-03-13  Alan Modra  <amodra@gmail.com>
79
80         * powerpc.cc (is_branch_reloc): Forward declare.
81         (Target_powerpc::do_can_check_for_function_pointers): New predicate.
82         (Target_powerpc::Scan::local_reloc_may_be_function_pointer): Return
83         false for 64-bit, true for 32-bit non-branch relocs.
84         (Target_powerpc::Scan::global_reloc_may_be_function_pointer): Likewise.
85         * testsuite/Makefile.am (icf_test): Use linker map file instead of
86         nm output.
87         (icf_safe_test): Generate linker map file as well as nm output.
88         (icf_safe_so_test): Likewise.
89         * testsuite/Makefile.in: Regenerate.
90         * testsuite/icf_test.sh: Parse linker map file to determine
91         section folding.
92         * testsuite/icf_safe_test.sh: Likewise.  Expect folding for PowerPC.
93         * testsuite/icf_safe_so_test.sh: Likewise.
94         (X86_32_or_ARM_specific_safe_fold): Merge into..
95         (arch_specific_safe_fold): ..this.
96         (X86_64_specific_safe_fold): Delete unused function.
97
98 2013-03-12  Alan Modra  <amodra@gmail.com>
99
100         * gc.h (gc_process_relocs): Look through function descriptors
101         to determine shndx, symvalue and addend used by ICF.  Tidy
102         variable duplication.
103
104 2013-03-11  Alan Modra  <amodra@gmail.com>
105
106         * gold.cc (queue_middle_tasks): Move detect_odr_violations..
107         * layout.cc (Layout_task_runner::run): ..to here.
108         * symtab.h (struct Symbol_location): Extract from..
109         (class Symbol_table): ..here.
110         * symtab.cc (Symbol_table::linenos_from_loc): Invoke function_location.
111         * target.h (class Target): Add function_location and
112         do_function_location functions.
113         (class Sized_target): Add do_function_location.
114         * object.h (class Sized_relobj_file): Move find_shdr..
115         (class Object): ..to here.
116         * object.cc: Likewise.  Update to suit.  Instantiate.
117         (Sized_relobj_file::find_eh_frame): Update find_shdr call.
118         * powerpc.cc (class Powerpc_dynobj): New.
119         (Target_powerpc::do_function_location): New function.
120         (Powerpc_relobj::do_find_special_sections): Update find_shdr call.
121         (Powerpc_dynobj::do_read_symbols): New function.
122         (Target_powerpc::do_make_elf_object): Make a Powerpc_dynobj.
123
124 2013-03-08  Ian Lance Taylor  <iant@google.com>
125
126         * options.cc (General_options::string_to_object_format): Accept
127         "default".
128
129 2013-03-08  Alan Modra  <amodra@gmail.com>
130
131         * ehframe.h (Post_fdes) Make it a vector of Post_fde rather than
132         pointer to Post_fde.
133         (struct Post_fde): Move definition to here..
134         * ehframe.cc (struct Post_fde): ..from here.
135         (Cie::write): Don't alloc Post_fde.
136         (Eh_frame::do_sized_write): Update.  Don't free Post_fde.
137
138 2013-03-07  Alan Modra  <amodra@gmail.com>
139
140         * testsuite/discard_locals_relocatable_test.c: Add a powerpc
141         relocation referencing .LC0.
142         * testsuite/discard_locals_test.sh: Remove FIXMEs.
143
144 2013-03-07  Alan Modra  <amodra@gmail.com>
145
146         * testsuite/ifunc-sel.h (ifunc_sel, ifunc_one): Mark
147         always_inline.  Add assembly for powerpc to avoid GOT.
148
149 2013-03-07  Alan Modra  <amodra@gmail.com>
150
151         * testsuite/script_test_10.sh: Don't test .bss section
152         header number.
153
154 2013-03-06  Alan Modra  <amodra@gmail.com>
155
156         * powerpc.cc (class Powerpc_relobj): Move some member functions.
157         (Target_powerpc::symval_for_branch):  Add symtab param.  Update
158         all callers.  Handle folded sections.
159         (Target_powerpc::do_gc_add_reference): Don't cast dynamic object
160         to Powerpc_relobj.
161         (Global_symbol_visitor_opd::operator()): Likewise.
162
163 2013-03-04  Alan Modra  <amodra@gmail.com>
164
165         * testsuite/Makefile.am (final_layout_script.lds): Add .sbss.
166         * testsuite/Makefile.in: Regenerate.
167
168 2013-03-01  Cary Coutant  <ccoutant@google.com>
169
170         Add dwp support for v2 DWARF package file format.
171         * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
172         tu_length parameter.  Adjust all callers.
173         * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
174         * dwp.cc: Include dwarf.h.
175         (Section_bounds): New struct type.
176         (Unit_set): New struct type.
177         (Dwo_file::Dwo_file): Initialize new data member.
178         (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
179         Combine and rename to...
180         (Dwo_file::read_unit_index): ...this.
181         (Dwo_file::sized_read_compunit_index)
182         (Dwo_file::sized_read_typeunit_index): Combine and rename to...
183         (Dwo_file::sized_read_unit_index): ...this.
184         (Dwo_file::copy_section): Remove section_name, is_str_offsets
185         parameters; add section_id parameter.
186         (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
187         (Dwo_file::add_unit_set): ...this.
188         (Dwo_file::shndx_map_): Remove.
189         (Dwo_file::sect_offsets_): New data member.
190         (Dwp_output_file::Dwp_output_file): Initialize new data members.
191         (Dwp_output_file::add_section): Rename to...
192         (Dwp_output_file::add_contribution): ...this.
193         (Dwp_output_file::add_cu_set): Combine parameters into a struct.
194         (Dwp_output_file::add_tu_set): Likewise.
195         (Dwp_output_file::Contribution): New type.
196         (Dwp_output_file::Section::contributions): New data member.
197         (Dwp_output_file::Cu_or_tu_set): Remove.
198         (Dwp_output_file::Section::Section): New ctor.
199         (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
200         (Dwp_output_file::Dwp_index::Section_table): New type.
201         (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
202         (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
203         parameter.
204         (Dwp_output_file::Dwp_index::shndx_pool): Remove.
205         (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
206         (Dwp_output_file::Dwp_index::section_table): New member function.
207         (Dwp_output_file::Dwp_index::section_table_end): New member function.
208         (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
209         (Dwp_output_file::Dwp_index::section_table_rows): New member function.
210         (Dwp_output_file::Dwp_index::section_table_cols): New member function.
211         (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
212         (Dwp_output_file::Dwp_index::section_table_): New data member.
213         (Dwp_output_file::Dwp_index::section_mask_): New data member.
214         (Dwp_output_file::add_output_section): New member function.
215         (Dwp_output_file::write_new_section): New member function.
216         (Dwp_output_file::write_contributions): New member function.
217         (Dwp_output_file::section_id_map_): New data member.
218         (class Dwo_id_info_reader): Remove.
219         (class Unit_reader): New class.
220         (get_dwarf_section_name): New function.
221         (Dwo_file::read_executable): Adjust initializations of class data.
222         (Dwo_file::read): Add support for v2 package file format.
223         (Dwo_file::read_unit_index): Likewise.
224         (Dwo_file::sized_read_unit_index): Likewise.
225         (Dwo_file::copy_section): Likewise.
226         (Dwo_file::add_unit_set): Likewise.
227         (Dwp_output_file::add_output_section): Likewise.
228         (Dwp_output_file::add_contribution): Likewise.
229         (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
230         for empty slot.
231         (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
232         file format.
233         (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
234         slot.
235         (Dwp_output_file::initialize): Remove unused function.
236         (Dwp_output_file::finalize): Add support for v2 package file format.
237         (Dwp_output_file::write_index): Likewise.
238         * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
239         function prototype.
240
241 2013-03-01  Cary Coutant  <ccoutant@google.com>
242
243         * dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move
244         function into class definition in header file.
245         (Dwarf_info_reader::warn_corrupt_debug_section): New function.
246         * dwarf_reader.h (Dwarf_info_reader::warn_corrupt_debug_section):
247         New function.
248         (Dwarf_info_reader::check_buffer): Move here from .cc file.
249
250 2013-02-28  Alan Modra  <amodra@gmail.com>
251
252         * target.h (Target::plt_fde_location, do_plt_fde_location): Declare.
253         * target.cc (Target::do_plt_fde_location): New function.
254         * ehframe.h (class FDE): Add post_map field to u_.from_linker,
255         accessor function, and constructor param.
256         (struct Post_fde, Post_fdes): Declare.
257         (Cie::write): Add post_fdes param.
258         * ehframe.cc (Fde::write): Use plt_fde_location.
259         (struct Post_fde): Define.
260         (Cie::write): Stash FDEs added post merge mapping.
261         (Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping.
262         Adjust Fde constructor call.  Bump final_data_size_ for post map FDEs.
263         (Eh_frame::do_sized_write): Arrange to write post map FDES after
264         other FDEs.
265         * powerpc.cc (Target_powerpc::do_plt_fde_location): New function.
266         (Target_powerpc::has_glink): New function.
267         (Target_powerpc::do_relax): Add eh_frame info for stubs.
268         (struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64,
269         glink_eh_frame_fde_32, default_fde): New data.
270         (Stub_table::eh_frame_added_): New var.
271         (Stub_table::find_long_branch_entry, stub_address, stub_offset):
272         Make const.
273         (Stub_table::add_eh_frame): New function.
274         (Output_data_glink::add_eh_frame): New function.
275         (Target_powerpc::make_glink_section): Call add_eh_frame.
276
277 2013-02-15  Ian Lance Taylor  <iant@google.com>
278
279         * options.h (DEFINE_uint64_alias): Define.
280         (class General_options): Add -Ttext-segment as an alias for
281         -Ttext.
282
283 2013-02-15  Alan Modra  <amodra@gmail.com>
284
285         * powerpc.cc (Stub_table::plt_off): New function, extracted from..
286         (Stub_table::do_write): ..here, two places.
287         (Stub_table::plt_call_size): Use it here too.
288
289 2013-02-11  Ian Lance Taylor  <iant@google.com>
290
291         * descriptors.cc (Descriptors::close_all): New function.
292         * descriptors.h (class Descriptors): Declare close_all.
293         (close_all_descriptors): New inline function.
294         * plugin.cc: Include "descriptors.h".
295         (Plugin_manager::cleanup): Call close_all_descriptors.
296
297 2013-02-06  Alan Modra  <amodra@gmail.com>
298
299         * README: Update coding style link.
300
301 2013-01-28  Cary Coutant  <ccoutant@google.com>
302
303         * dwp.cc (File_list): New typedef.
304         (Dwo_name_info_reader): New class.
305         (Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters.
306         (Dwo_id_info_reader::visit_top_die): Remove unused member function.
307         (Dwo_file::~Dwo_file): Delete input_file_ after obj_.
308         (Dwo_file::read_executable): New function.
309         (Dwo_file::read): Move common setup code to ...
310         (Dwo_file::make_object): ... here.
311         (dwp_options): Add --exec/-e.
312         (usage): Likewise.
313         (main): Likewise.
314
315 2013-01-24  Sriraman Tallam  <tmsriram@google.com>
316
317         * layout.cc (Layout::layout): Check for option text_reorder.
318         (Layout::make_output_section): Ditto.
319         * options.h (text_reorder): New option.
320         * output.cc (Input_section_sort_compare): Remove special ordering
321         of section names.
322         (Output_section::
323          Input_section_sort_section_name_special_ordering_compare::
324          operator()): New function.
325         (Output_section::sort_attached_input_sections): Use new sort function
326         for .text.
327         * output.h (Input_section_sort_section_name_special_ordering_compare):
328         New struct.
329         * testsuite/Makefile.am (text_section_grouping): Test option
330         --no-text-reorder
331         * testsuite/Makefile.in: Regenerate.
332         * testsuite/text_section_grouping.sh: Check order of functions without
333         default text reordering.
334
335 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
336
337         * options.h (General_options): Change default to true for new_dtags.
338
339 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
340
341         * layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH
342         when enable_new_dtags is false.  Only add DT_RUNPATH when
343         enable_new_dtags is true.
344
345 2013-01-17  Serge Pavlov  <serge.v.pavlov@gmail.com>
346
347         * powerpc.cc (Stub_table::find_plt_call_entry): Make types
348         used in declaration and definition consistent.
349         (Target_powerpc::symval_for_branch): Ditto.
350
351 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
352
353         * testsuite/plugin_final_layout.cc: Fix comment.
354
355 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
356
357         * layout.cc (Layout::layout): Do not do default sorting for
358         text sections when section ordering is specified.
359         (make_output_section): Ditto.
360         * testsuite/plugin_final_layout.cc: Name the function sections
361         to catch reordering issues.
362
363 2013-01-15  Alan Modra  <amodra@gmail.com>
364
365         * powerpc.cc (Target_powerpc::do_relax): Default shared libs to
366         plt-thread-safe.
367
368 2013-01-15  Alan Modra  <amodra@gmail.com>
369
370         * testsuite/Makefile.am (final_layout_script.lds): Handle .got section.
371         * testsuite/Makefile.in: Regenerate.
372
373 2013-01-14  Alan Modra  <amodra@gmail.com>
374
375         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.
376         * testsuite/Makefile.in: Regenerate.
377
378 2013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>
379
380         PR bfd/14430
381         Fix mingw gold build with plugins enabled
382         * Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
383         * configure.ac: Export DLOPEN_LIBS and add headers check.
384         * plugin.cc: Handle non-dlfcn case.
385         * Makefile.in: Regenerate.
386         * config.in: Regenerate.
387         * configure: Regenerate.
388         * testsuite/Makefile.in: Regenerate.
389
390 2013-01-09  Sriraman Tallam  <tmsriram@google.com>
391
392         * output.h (sort_attached_input_sections): Change to be public.
393         * script-sections.cc
394         (Output_section_definition::set_section_addresses): Sort
395         attached input sections according to section order before linker
396         script assigns section addresses.
397         (Orphan_output_section::set_section_addresses): Sort
398         attached input sections according to section order before linker
399         script assigns section addresses.
400         * Makefile.am (final_layout.sh): Use a simple linker script to
401         check if section ordering still works.
402         * Makefile.in: Regenerate.
403
404 2013-01-09  Ben Cheng  <bccheng@google.com>
405
406         * arm.cc (Target_arm::attributes_accept_div): New function.
407         (Target_arm::attributes_forbid_div): New function.
408         (Target_arm::merge_object_attributes): Merge the Tag_DIV_use
409         attribute using the same new functions as what bfd/elf32_arm.c
410         does.
411
412 2013-01-07  Cary Coutant  <ccoutant@google.com>
413
414         PR gold/14993
415         * output.cc (Output_section::add_input_section): For incremental
416         updates, don't track input sections that are allocated from patch
417         space.
418
419 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
420             Ian Lance Taylor  <iant@google.com>
421
422         PR gold/14897
423         * configure.ac (--enable-ld): Removed.
424         (install_as_default): Set to yes only for --enable-gold=default
425         or --disable-ld.
426         * configure: Regenerated.
427
428 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
429
430         * options.h (General_options): Add -fuse-ld= for GCC linker
431         option compatibility.
432
433 2013-01-04  Cary Coutant  <ccoutant@google.com>
434
435         * configure.ac: Fix typo restoring CXXFLAGS.
436         * configure: Regenerate.
437
438 2013-01-04  Cary Coutant  <ccoutant@google.com>
439
440         * testsuite/Makefile.am (CXXLINK_S): New macro.
441         (debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S.
442         * testsuite/Makefile.in: Regenerate.
443
444 2013-01-02  H.J. Lu  <hongjiu.lu@intel.com>
445
446         * version.cc (print_version): Update copyright year to 2013.
447
448 2012-12-20  Ian Lance Taylor  <iant@google.com>
449
450         * layout.cc (Layout::special_ordering_of_input_section): New
451         function.
452         (Layout::layout): If input section requires special ordering, must
453         sort input sections.
454         (Layout::make_output_section): May sort .text input sections.
455         (Layout::is_section_name_prefix_grouped): Remove.
456         * layout.h (class Layout): Declare
457         special_ordering_of_input_section.  Don't declare
458         is_section_name_prefix_grouped.
459         * output.cc (Output_section::add_input_section): Revert last
460         change.
461         (Output_section::Input_section_sort::match_file_name): Don't crash
462         if called on output section data.
463         (Output_section::Input_section_sort_compare): Sort based on
464         special ordering.
465         (Output_section::Input_section_sort_section_order_index_compare):
466         Revert last patch.
467         (Output_section::sort_attached_input_sections): Likewise.
468
469 2012-12-18  Sriraman Tallam  <tmsriram@google.com>
470
471         * layout.cc (Layout::is_section_name_prefix_grouped): New function.
472         * layout.h (Layout::is_section_name_prefix_grouped): New function.
473         * output.cc (Output_section::add_input_section): Check if section
474         name contains special prefix.  Keep input sections to sort such
475         sections.
476         (Output_section::Input_section_sort_section_order_index_compare
477          ::operator()): Group sections according to prefixes.
478         (Output_section::sort_attached_input_sections): Add condition to
479         Input_section_entry constructor call.
480         * testsuite/Makefile.am (text_section_grouping): New test.
481         * testsuite/Makefile.in: Regenerate.
482         * testsuite/text_section_grouping.cc: New file.
483         * testsuite/text_section_grouping.sh: New file.
484
485 2012-12-17  Nick Clifton  <nickc@redhat.com>
486
487         * Makefile.am: Add copyright notice.
488         * NEWS: Likewise.
489         * README: Likewise.
490         * configure.ac: Likewise.
491         * ftruncate.c: Likewise.
492         * Makefile.in: Regenerate.
493
494 2012-12-14  Cary Coutant  <ccoutant@google.com>
495
496         * testsuite/Makefile.am (exception_separate_shared_12_test): Add
497         --no-as-needed flag.
498         (exception_separate_shared_12_test): Likewise.
499         (incremental_copy_test): Likewise.
500         * testsuite/Makefile.in: Regenerate.
501
502 2012-12-14  Cary Coutant  <ccoutant@google.com>
503
504         * dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
505         (Dwp_output_file::Dwp_index::enter_set): Add assert.
506
507 2012-12-12  Alan Modra  <amodra@gmail.com>
508
509         * powerpc.cc (class Track_tls): New.
510         (class Relocate, class Scan): Inherit Track_tls.
511         (Target_powerpc::Scan::local, global): Track tls optimization
512         and avoid creating plt entry for __tls_get_addr if all uses
513         are optimized away.
514         (Target_powerpc::Relocate::relocate): Update to use Track_tls.
515
516 2012-12-12  Alan Modra  <amodra@gmail.com>
517
518         * options.h (General_options): Add --toc-sort/--no-toc-sort.
519         Replace no_toc_optimize with toc_optimize.
520         * output.h (Output_section::input_sections): Provide non-const variant.
521         * powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
522         set_has_small_toc_reloc, has_small_toc_reloc): New variable and
523         accessors.
524         (Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
525         (class Sort_toc_sections): New.
526         (Target_powerpc::do_finalize_sections): Sort toc sections.
527         (Target_powerpc::Relocate::relocate): Update toc_optimize test.
528
529 2012-12-10  Roland McGrath  <mcgrathr@google.com>
530
531         * testsuite/binary_unittest.cc (read_all): New function.
532         (Sized_binary_test): Use it instead of ::read.
533         * fileread.cc (do_read): Don't assume pread always reads the whole
534         amount in a single call.
535
536 2012-12-10  Alan Modra  <amodra@gmail.com>
537
538         * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
539         Set EM_PPC64 or EM_PPC here.
540         (Target_selector_powerpc::do_recognize): Delete.
541
542 2012-12-10  Alan Modra  <amodra@gmail.com>
543
544         * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
545         stub_table_.
546         (Target_powerpc::Branch_info::make_stub): Don't omit addend.
547
548 2012-12-07  Roland McGrath  <mcgrathr@google.com>
549
550         * testsuite/binary_unittest.cc (Sized_binary_test):
551         Use open_descriptor rather than ::open.
552
553 2012-12-07  Alan Modra  <amodra@gmail.com>
554
555         * powerpc.cc (Stub_table::do_write): Delete redundant Address
556         typedef and invalid_address constant.
557         (Output_data_glink, Stub_table, Target_powerpc): Explicitly
558         instantiate constants.
559
560 2012-12-06  Roland McGrath  <mcgrathr@google.com>
561
562         * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
563         Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
564         * aclocal.m4: Regenerate.
565         * configure: Regenerate.
566         * Makefile.in: Regenerate.
567         * testsuite/Makefile.in: Regenerate.
568
569 2012-12-07  Alan Modra  <amodra@gmail.com>
570
571         * options.h (General_options): Add no_toc_optimize.
572         * powerpc.cc (ok_lo_toc_insn): New function.
573         (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
574
575 2012-12-06  Alan Modra  <amodra@gmail.com>
576
577         * options.h (General_options): Add plt_align, plt_static_chain,
578         plt_thread_safe.  Update stub_group_size help text.
579         * powerpc.cc (Target_powerpc::plt_thread_safe): New access function
580         for new plt_thread_safe_ var.
581         (use_plt_offset): Correct comments.
582         (Target_powerpc::do_relax): Look for thread creation symbols to
583         determine default plt_thread_safe value.  Clear plt call stubs
584         as well as branch stubs each iteration.
585         (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
586         insn constants.
587         (l, hi, ha, write_insn): Move earlier.
588         (Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
589         (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
590         plt stubs too.
591         (Stub_table::update_size): Adjust.
592         (Stub_table::prev_size, set_prev_size): Delete.
593         (Stub_table::stub_align): Let --plt-align affect result.
594         (Stub_table::plt_call_size): Calculate sizes for various stubs.
595         (Stub_table::branch_stub_size): Use last_plt_size in address calc.
596         (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
597         (Stub_table::do_write): Support more stub variants.
598
599 2012-12-04  Alan Modra  <amodra@gmail.com>
600
601         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
602         (Target_powerpc::do_define_standard_symbols): New function.
603
604 2012-12-03  Alan Modra  <amodra@gmail.com>
605
606         * output.h: Formatting, whitespace.
607
608 2012-12-03  Alan Modra  <amodra@gmail.com>
609
610         * layout.h (Layout::get_executable_sections): Declare.
611         * layout.cc (Layout::get_executable_sections): New function.
612         * arm.cc (Target_arm::group_sections): Use it.
613         (Arm_output_section::group_sections): Delete now redundant test.
614         * output.cc (Output_reloc::Output_reloc): Add is_relative.
615         param to handle relative relocs.
616         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
617         (Output_data_reloc::add_absolute): Adjust.
618         (Output_data_reloc::add_relative): New function.
619         (Output_data::reset_data_size): New function.
620         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
621         (Output_section::set_addralign): New function.
622         (Output_section::checkpoint_set_addralign): New function.
623         (Output_section::clear_section_offsets_need_adjustment): New function.
624         (Output_section::input_sections): Make public.
625         * powerpc.cc (class Output_data_brlt_powerpc): New.
626         (class Stub_table, class Stub_control): New.
627         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
628         stub_table_, set_stub_table, stub_table): New vectors and accessor
629         functions.
630         (Target_powerpc::do_may_relax, do_relax, push_branch,
631         new_stub_table, stub_tables, brlt_section, group_sections,
632         add_branch_lookup_table, find_branch_lookup_table,
633         write_branch_lookup_table, make_brlt_section): New functions.
634         (Target_powerpc::struct Sort_sections, class Branch_info): New.
635         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
636         branch_info_): New vars.
637         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
638         make call stubs here.
639         (Output_data_glink): Remove all call stub handling from this class.
640         (Target_powerpc::Scan::local, global): Save interesting branch
641         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
642         (Target_powerpc::do_finalize_sections): Only make reg save/restore
643         functions on final link.
644         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
645         Handle long branch destinations too.
646         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
647         do_plt_address_for_local): Adjust lookup of plt call stubs.
648
649 2012-11-30  Alan Modra  <amodra@gmail.com>
650
651         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
652         relocs against protected symbols when building 32-bit shared libs.
653
654 2012-11-30  Alan Modra  <amodra@gmail.com>
655
656         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
657         param.  Call got_section() to make .got.  Update all callers
658         and their callers and so on.
659
660 2012-11-30  Alan Modra  <amodra@gmail.com>
661
662         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
663         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
664         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
665         value if it already exists.
666
667 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
668
669         PR gold/14858
670         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
671
672 2012-11-14  Roland McGrath  <mcgrathr@google.com>
673
674         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
675         than bfc instruction for data sandboxing.
676
677 2012-11-08  Alan Modra  <amodra@gmail.com>
678
679         * po/POTFILES.in: Regenerate.
680
681 2012-11-05  Alan Modra  <amodra@gmail.com>
682
683         * configure.ac: Apply 2012-09-10 change to config.in here.
684         * configure: Regenerate.
685
686 2012-11-05  Alan Modra  <amodra@gmail.com>
687
688         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
689         (struct Opd_ent): Use "Address" rather than "Offset".
690         (Output_data_got_powerpc::got_base_offset): Return Valtype.
691         (Target_powerpc::got_section): Make public.
692         (Target_powerpc::scan_relocs): Move code setting symbols..
693         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
694         Create _SDA_BASE_ only when referenced.
695
696 2012-11-02  Roland McGrath  <mcgrathr@google.com>
697
698         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
699         from last change.
700
701 2012-11-01  Roland McGrath  <mcgrathr@google.com>
702
703         * target.h (Sized_target::relocate_relocs): Use Elf_Off
704         for offset_in_output_section parameter.
705         (Sized_target::relocate_special_relocatable): Likewise.
706         * arm.cc (Target_arm::relocate_relocs): Likewise.
707         (Target_arm::relocate_special_relocatable): Likewise.
708         * i386.cc (Target_i386::relocate_relocs): Likewise.
709         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
710         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
711         * target-reloc.h (relocate_relocs): Likewise.
712         * testsuite/testfile.cc (Target_test): Likewise.
713         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
714         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
715
716         * system.h: Move inclusion of <clocale> to after <libintl.h> in
717         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
718
719         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
720         parameter, which is unused in the [!F_SETFD] case.
721
722         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
723         SYMNDX to off_t before comparing it to this->data_size().
724         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
725         * incremental.cc (Output_section_incremental_inputs::do_write):
726         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
727
728         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
729
730 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
731
732         * gold.cc (Target_arm::do_adjust_elf_header): Add the
733         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
734         in EABI_VER5.
735
736 2012-10-29  Cary Coutant  <ccoutant@google.com>
737
738         * dwp.cc (usage): Add file and exit status parameters;
739         add --help and --version options.
740         (print_version): New function.
741         (main): Add --help and --version options.
742
743 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
744
745         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
746         final_layout_sequence.txt.
747         * testsuite/Makefile.in: Regenerated.
748
749 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
750
751         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
752         COMPILE generated by automake.
753         (LINK1): Likewise.
754         (CXXCOMPILE1): Likewise.
755         (CXXLINK1): Likewise.
756         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
757         (LINK): Likewise.
758         (CXXCOMPILE): Likewise.
759         (CXXLINK): Likewise.
760         * testsuite/Makefile.in: Regenerated.
761
762 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
763
764         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
765         on bad fwrite return.
766
767 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
768
769         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
770         on val.
771
772 2012-10-23  Cary Coutant  <ccoutant@google.com>
773
774         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
775         * testsuite/Makefile.in: Regenerate.
776         * testsuite/dwp_test.h: New source file.
777         * testsuite/dwp_test_1.cc: New source file.
778         * testsuite/dwp_test_1.s: New source file.
779         * testsuite/dwp_test_1.sh: New source file.
780         * testsuite/dwp_test_1b.cc: New source file.
781         * testsuite/dwp_test_1b.s: New source file.
782         * testsuite/dwp_test_2.cc: New source file.
783         * testsuite/dwp_test_2.s: New source file.
784         * testsuite/dwp_test_2.sh: New source file.
785         * testsuite/dwp_test_main.cc: New source file.
786         * testsuite/dwp_test_main.s: New source file.
787
788 2012-10-23  Cary Coutant  <ccoutant@google.com>
789
790         * dwp.h: New header file.
791         * dwp.cc: New source file.
792         * gold.h: Move shared declarations to system.h.
793         * system.h: New header file.
794         * Makefile.am: Add dwp.
795         * Makefile.in: Regenerate.
796
797 2012-10-23  Cary Coutant  <ccoutant@google.com>
798
799         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
800         Dwarf_info_reader::read_from_pointer.
801         (Dwarf_pubnames_table::read_header): Likewise.
802         (Dwarf_pubnames_table::next_name): Likewise.
803         (Dwarf_die::read_attributes): Likewise.
804         (Dwarf_die::skip_attributes): Likewise.
805         (Dwarf_info_reader::read_from_pointer): New function template.
806         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
807         (Dwarf_pubnames_table): Likewise.
808         (Dwarf_info_reader::read_from_pointer): New function template.
809         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
810         Dwarf_pubnames_table ctor.
811
812 2012-10-23  Cary Coutant  <ccoutant@google.com>
813
814         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
815         abbrev_shndx.
816         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
817         abbrev_shndx_.
818         (Dwarf_info_reader::set_abbrev_shndx): New method.
819         (Dwarf_info_reader::abbrev_shndx_): New data member.
820
821 2012-10-23  Cary Coutant  <ccoutant@google.com>
822
823         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
824         from object, not parameters.
825         (Dwarf_info_reader::parse): Likewise.
826         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
827         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
828         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
829         methods.
830
831 2012-10-23  Cary Coutant  <ccoutant@google.com>
832
833         * fileread.cc (Input_file::Input_file): New constructor.
834         * fileread.h (class Input_file): Add new constructor.
835
836 2012-10-18  Alan Modra  <amodra@gmail.com>
837
838         PR gold/14727
839         * object.cc (Relobj::is_section_name_included): Also match
840         .sdata personality section.
841
842 2012-10-18  Alan Modra  <amodra@gmail.com>
843
844         * target-reloc.h (class Default_comdat_behavior): New, package up..
845         (get_comdat_behaviour): ..this.
846         (relocate_section): Add Relocate_comdat_behavior template arg,
847         adjust code to suit.
848         * arm.cc (Target_arm::relocate_section): Adjust to suit.
849         (Target_arm::scan_reloc_section): Likewise.
850         * i386.cc (Target_i386::relocate_section): Likewise.
851         * sparc.cc (Target_sparc::relocate_section): Likewise.
852         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
853         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
854         * powerpc.cc (class Relocate_comdat_behavior): New.
855         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
856         gold::relocate_section with new template arg.
857
858 2012-10-18  Alan Modra  <amodra@gmail.com>
859
860         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
861         dynamic relocs for GOT_TPREL got entries, without symbol if
862         resolving locally.
863         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
864         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
865         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
866
867 2012-10-17  Alan Modra  <amodra@gmail.com>
868
869         PR gold/14726
870         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
871
872 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
873
874         * layout.cc (Layout::include_section): Keep sections marked
875         SHF_EXCLUDE when doing relocatable links.
876
877 2012-10-16  Alan Modra  <amodra@gmail.com>
878
879         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
880         (Target_powerpc::do_finalize_sections): Call it.
881         (Output_data_save_res): New class and supporting functions.
882         (Target_powerpc::symval_for_branch): Only look up .opd entry for
883         normal symbols defined in object files.
884
885 2012-10-12  Alan Modra  <amodra@gmail.com>
886
887         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
888         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
889         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
890         section if scan_opd_relocs not yet called.
891         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
892
893 2012-10-12  Alan Modra  <amodra@gmail.com>
894
895         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
896         add_local_ifunc_entry): Revert last change.
897         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
898
899 2012-10-05  Alan Modra  <amodra@gmail.com>
900
901         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
902         do_plt_address_for_global): New functions.
903         (Output_data_got_powerpc::do_write): Don't segfault when linking
904         statically.
905         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
906         add_local_ifunc_entry): Return true on adding entry..
907         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
908         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
909         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
910         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
911         set up symbols here.
912         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
913         syms here.  Do so even when no .iplt.  Don't segfault when linking
914         statically.
915         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
916         new variants without reloc param.
917         (Glink_sym_ent::Glink_sym_ent): Likewise.
918         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
919         reloc when refs will resolve to plt call stub.
920         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
921         R_PPC_PLTREL24 to resolve locally.
922         (Target_powerpc::Scan::global): Correct ifunc handling.
923         (Target_powerpc::Relocate::relocate): Correct local sym glink
924         lookup.  Don't destroy "value" when we have a plt call stub,
925         and when checking plt call validity.
926         (Target_powerpc::do_dynsym_value): Simplify.
927
928 2012-10-05  Alan Modra  <amodra@gmail.com>
929
930         * i386.cc (Output_data_plt_i386::address_for_global,
931         address_for_local): Add plt offset to returned value.  Adjust uses.
932         * sparc.cc (Output_data_plt_sparc::address_for_global,
933         address_for_local): Likewise.
934         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
935         address_for_local): Likewise.
936         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
937         address_for_local): Likewise.
938         * target.h (Target::plt_address_for_global, plt_address_for_local):
939         Update comment.
940         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
941         (Output_data_got::Got_entry::write): Nor here.
942         * output.h: Comment fix.
943
944 2012-10-02  Jiong Wang  <jiwang@tilera.com>
945
946         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
947         global_offset_table_ value for larget got.
948         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
949
950 2012-09-29  Alan Modra  <amodra@gmail.com>
951
952         * powerpc.cc (Target_powerpc::iplt_): New output section.
953         (Target_powerpc::iplt_section, make_iplt_section,
954         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
955         (Target_powerpc::make_plt_entry): Handle ifunc syms.
956         Target_powerpc::plt_entry_count): Count iplt entries too.
957         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
958         reloc section in constructor.  New params.
959         (Target_powerpc::make_plt_section): Create reloc section here instead.
960         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
961         functions.
962         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
963         (Output_data_glink::add_entry, find_entry): New functions to
964         deal with local syms.
965         (Glink_sym_ent): Add support for local syms.
966         (Output_data_glink::do_write): Handle ifunc plt entries.
967         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
968         (Target_powerpc::Scan::local, global): Handle ifunc syms.
969         (Target_powerpc::Relocate::relocate): Likewise.
970         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
971
972 2012-09-25  Alan Modra  <amodra@gmail.com>
973
974         * object.h (Sized_relobj_file::adjust_local_symbol,
975         do_adjust_local_symbol): New functions.
976         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
977         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
978         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
979         and irregular opd entry spacing.
980         (Powerpc_relobj::do_read_relocs): Add opd size checks.
981         (Global_symbol_visitor_opd): New functor.
982         (Target_powerpc::do_finalize_sections): Omit global symbols defined
983         on deleted opd entries.
984
985 2012-09-15  Jiong Wang  <jiwang@tilera.com>
986
987         * tilegx.cc: New file.
988         * Makefile.am (TARGETSOURCES): Add tilegx.cc
989         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
990         * configure.tgt: Add entries for tilegx*.
991         * configure.ac: Likewise.
992         * Makefile.in: Rebuild.
993         * configure: Likewise.
994         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
995         tilegx.
996
997 2012-09-13  Alan Modra  <amodra@gmail.com>
998
999         * target-reloc.h (scan_relocs): Call scan.local for relocs
1000         against symbols in discarded sections.  Pass is_discarded
1001         param.
1002         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
1003         Add is_discarded param.
1004         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
1005         is_discarded to flag opd entry as discarded.  Don't emit dyn
1006         relocs on such entries.
1007         (Target_powerpc::Scan::global): Similarly detect and handle
1008         such opd entries.
1009         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
1010         opd_ent_.  Update all uses.
1011         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
1012         (Target_powerpc::relocate_section): Zero out discarded opd
1013         entry relocs.
1014
1015 2012-09-12  Ian Lance Taylor  <iant@google.com>
1016
1017         PR gold/14570
1018         * output.cc: Rename Output_data_got template parameter from size
1019         to got_size for all functions.  Compile all variants of
1020         Output_data_got.
1021         (Output_data_got::Got_entry::write): Correct use of size for
1022         symbol value.  Use local_is_tls rather than casting to
1023         Sized_relobj_file.
1024         * object.h (class Object): Add local_is_tls and do_local_is_tls.
1025         (class Sized_relobj_file): Add do_local_is_tls.
1026         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
1027
1028 2012-09-11  Alan Modra  <amodra@gmail.com>
1029
1030         PR gold/14566
1031         * layout.cc (Layout::set_segment_offsets): When using
1032         common-page-size alignment, ensure we are on a new max-page-size
1033         page.
1034         * output.cc (Output_segment::set_section_addresses): Use
1035         abi_pagesize, not common_pagesize for relro boundary.
1036         (Output_segment::set_offset): Likewise.
1037
1038 2012-09-11  Alan Modra  <amodra@gmail.com>
1039
1040         * output.h (Output_data_got::add_global_tls, add_local_tls,
1041         add_local_tls_pair): New functions.
1042         (Output_data_got::add_local_pair_with_rel): Remove second
1043         reloc param.  Expand comment.
1044         (Output_data_got::Got_entry): Rename use_plt_offset_ to
1045         use_plt_or_tls_offset_, similarly for constructor param.
1046         (Output_data_got::Got_entry::write): Add got_index param.
1047         * output.cc (Output_data_got::add_global_tls, add_local_tls,
1048         add_local_tls_pair): New functions.
1049         (Output_data_got::Got_entry::write): Handle tls symbols
1050         with use_plt_or_tls_offset_ set specially.
1051         (Output_data_got::add_local_pair_with_rel): Only one reloc.
1052         (Output_data_got::do_write): Replace iterator with index, pass
1053         index to entry write function.
1054         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
1055         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
1056         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
1057         call.
1058         * i386.cc (Target_i386::Scan::local): Likewise.
1059         * sparc.cc (Target_sparc::Scan::local): Likewise.
1060         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
1061         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
1062         do_tls_offset_for_global): New functions.
1063         (Target_powerpc::Scan::local): Correct TLS relocations and got
1064         entry values.
1065         (Target_powerpc::Scan::global): Don't emit unnecessary
1066         dynamic relocations on TLS GOT entries.
1067
1068 2012-09-10  Matthias Klose  <doko@ubuntu.com>
1069
1070         * config.in: Disable sanity check for kfreebsd.
1071
1072 2012-09-10  Sterling Augustine  <saugustine@google.com>
1073
1074         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
1075         (Gdb_index::pubtypes_read): New parameter.
1076         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
1077         to calls.
1078         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
1079         pubtypes_object_.
1080
1081 2012-09-09  Alan Modra  <amodra@gmail.com>
1082
1083         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
1084         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
1085         * gc.h (gc_process_relocs): Call target gc_add_reference.
1086         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
1087         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
1088         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
1089         unnecessary cast.
1090         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
1091         to cater for when we don't need code offset.  Update use.
1092         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
1093         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
1094         set_opd_valid): New functions.
1095         (Target_powerpc::do_gc_add_reference): New function.
1096         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
1097         stashed refs.
1098         (Target_powerpc::do_gc_mark_symbol): New function.
1099
1100 2012-09-06  Cary Coutant  <ccoutant@google.com>
1101
1102         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
1103         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
1104         (Dwarf_die::skip_attributes): Likewise.
1105         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
1106         * testsuite/gdb_index_test.cc (inline_func_1): New function.
1107         (main): Call it.
1108         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
1109
1110 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
1111
1112         * testsuite/script_test_3.t: Add .got.plt output section
1113         statement.
1114         * testsuite/script_test_4.t: Likewise.
1115
1116 2012-09-05  Alan Modra  <amodra@gmail.com>
1117
1118         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
1119         update all uses and lose "enum" when using type.
1120
1121 2012-09-05  Alan Modra  <amodra@gmail.com>
1122
1123         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
1124         * configure: Regenerate.
1125         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
1126         (plugin_final_layout.stdout): Likewise.
1127         (memory_test): Set page sizes to 0x1000.
1128         * testsuite/Makefile.in: Regenerate.
1129         * testsuite/discard_locals_test.sh: Add FIXME comment.
1130         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
1131         * testsuite/pr14265.t: Add .got output section statement.
1132         * testsuite/script_test_2.t: Likewise.
1133         * testsuite/script_test_3.t: Likewise.
1134         * testsuite/script_test_4.t: Likewise.
1135         * testsuite/script_test_5.t: Likewise.
1136         * testsuite/script_test_6.t: Likewise.
1137         * testsuite/script_test_7.t: Likewise.
1138         * testsuite/script_test_9.t: Likewise.
1139
1140 2012-09-05  Alan Modra  <amodra@gmail.com>
1141
1142         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
1143         (Powerpc_relocate_functions::Status): New typedef.
1144         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1145         (Target_powerpc::Scan::local): Handle REL64.
1146         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
1147         for REL32 and REL64.
1148         (Target_powerpc::symval_for_branch): New function, extracted from..
1149         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
1150         checks.  Report overflow errors.
1151
1152 2012-09-05  Alan Modra  <amodra@gmail.com>
1153
1154         * object.h (Sized_relobj_file::emit_relocs): Delete.
1155         (Sized_relobj_file::emit_relocs_reltype): Delete.
1156         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
1157         relocate_relocs for --emit-relocs.
1158         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
1159         * output.h: Update comment.
1160         (Output_segment::first_section): New function.
1161         (Output_segment::first_section_load_address): Use first_section.
1162         * output.cc (Output_segment::first_section): New function extracted..
1163         (Output_segment::first_section_load_address): ..from here.  Delete.
1164         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
1165         * target.h (Sized_target::relocate_for_relocatable): Likewise.
1166         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
1167         adjust call to target.h function.
1168         * i386.cc (Target_i386): Likewise.
1169         * sparc.cc (Target_sparc): Likewise.
1170         * x86_64.cc (Target_x86_64): Likewise.
1171         * powerpc.cc (Target_powerpc): Likewise.
1172         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
1173         first tls section has section symbol for optimised local dynamic
1174         output relocs.
1175         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
1176         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
1177         optimised tls code.
1178         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
1179         Rename to relocate_relocs.  Update error message.
1180
1181 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
1182
1183         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
1184         --just-symbols.
1185
1186 2012-08-31  Alan Modra  <amodra@gmail.com>
1187
1188         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
1189         (Powerpc_relobj::toc_base_offset): New stub function.
1190         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
1191         got_mod_index_offset to tlsld_got_offset.  Update all refs.
1192         (Target_powerpc::Relocate::enum skip_tls): New.
1193         (Target_powerpc::call_tls_get_addr_): New var.
1194         (Target_powerpc::is_branch_reloc): Move to file scope.
1195         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
1196         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
1197         New functions.
1198         (Target_powerpc::enum Got_type): Delete old values, add new ones.
1199         (powerpc_info): Correct common_pagesize for ppc64.
1200         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
1201         (Powerpc_relocate_functions): Add overflow check enums and functions.
1202         Add non-shift version of rela, rela_ua.  Delete all rel public
1203         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
1204         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
1205         addr16_ha3, addr14 functions.
1206         (Output_data_got_powerpc::add_constant_pair): New function.
1207         (Output_data_got_powerpc::got_base_offset): Likewise.
1208         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
1209         (instruction constants): Sort, add some more.
1210         (Output_data_glink::do_write): Add and use Address typedef.  Use
1211         object->toc_base_offset() stub for 64-bit.
1212         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
1213         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1214         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
1215         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
1216         Always treat .opd relocs as against locally defined symbol.
1217         Correct condition for RELATIVE relocs.
1218         (Target_powerpc::do_finalize_sections): Test for NULL sections.
1219         (Target_powerpc::Relocate::relocate): Use plt call stub as value
1220         for 32-bit syms with a plt entry.  Correct ppc64 toc base
1221         calculations.  Handle TLS relocs, and more.  Add overflow
1222         checking and adjust for Powerpc_relocate_functions changes.
1223         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
1224         Reinstate --emit-relocs code with FIXME.
1225
1226 2012-08-30  Alan Modra  <amodra@gmail.com>
1227
1228         * layout.cc (Layout::set_segment_offsets): Set p_align to
1229         abi_pagesize, not common_pagesize.
1230         (Layout::relaxation_loop_body): Similarly use abi_pagesize
1231         to determine whether file header can go in segment.
1232
1233 2012-08-30  Alan Modra  <amodra@gmail.com>
1234
1235         * output.h (Output_reloc::Output_reloc <output section>): Add
1236         is_relative param.  Adjust calls.
1237         (Output_reloc::add_output_section_relative): New functions.
1238         * output.cc (Output_reloc::Output_reloc <output section>): Handle
1239         is_relative.
1240         (Output_reloc::symbol_value): Handle SECTION_CODE.
1241
1242 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
1243
1244         * gold.cc (queue_middle_tasks): Call layout again when unique
1245         segments for sections is desired.
1246         * layout.cc (Layout::Layout): Initialize new members.
1247         (Layout::get_output_section_flags): New function.
1248         (Layout::choose_output_section): Call get_output_section_flags.
1249         (Layout::layout): Make output section for mapping to a unique segment.
1250         (Layout::insert_section_segment_map): New function.
1251         (Layout::attach_allocated_section_to_segment): Make unique segment for
1252         output sections marked so.
1253         (Layout::segment_precedes): Check for unique segments when sorting.
1254         * layout.h (Layout::Unique_segment_info): New struct.
1255         (Layout::Section_segment_map): New typedef.
1256         (Layout::insert_section_segment_map): New function.
1257         (Layout::get_output_section_flags): New function.
1258         (Layout::is_unique_segment_for_sections_specified): New function.
1259         (Layout::set_unique_segment_for_sections_specified): New function.
1260         (Layout::unique_segment_for_sections_specified_): New member.
1261         (Layout::section_segment_map_): New member.
1262         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
1263         Rename is_gc_pass_one to is_pass_one.
1264         Rename is_gc_pass_two to is_pass_two.
1265         Rename is_gc_or_icf to is_two_pass.
1266         Check for which pass based on whether symbols data is present.
1267         Make it two pass when unique segments for sections is desired.
1268         * output.cc (Output_section::Output_section): Initialize new
1269         members.
1270         * output.h (Output_section::is_unique_segment): New function.
1271         (Output_section::set_is_unique_segment): New function.
1272         (Output_section::is_unique_segment_): New member.
1273         (Output_section::extra_segment_flags): New function.
1274         (Output_section::set_extra_segment_flags): New function.
1275         (Output_section::extra_segment_flags_): New member.
1276         (Output_section::segment_alignment): New function.
1277         (Output_section::set_segment_alignment): New function.
1278         (Output_section::segment_alignment_): New member.
1279         (Output_segment::Output_segment): Initialize is_unique_segment_.
1280         (Output_segment::is_unique_segment): New function.
1281         (Output_segment::set_is_unique_segment): New function.
1282         (Output_segment::is_unique_segment_): New member.
1283         * plugin.cc (allow_unique_segment_for_sections): New function.
1284         (unique_segment_for_sections): New function.
1285         (Plugin::load): Add new functions to transfer vector.
1286         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
1287         * Makefile.in: Regenerate.
1288         * testsuite/plugin_final_layout.sh: Check if unique segment
1289         functionality works.
1290         * testsuite/plugin_section_order.c (onload): Check if new interfaces
1291         are available.
1292         (allow_unique_segment_for_sections): New global.
1293         (unique_segment_for_sections): New global.
1294         (claim_file_hook): Call allow_unique_segment_for_sections.
1295         (all_symbols_read_hook): Call unique_segment_for_sections.
1296
1297 2012-08-22  Cary Coutant  <ccoutant@google.com>
1298
1299         * layout.cc (Layout::include_section): Don't assert on GROUP
1300         sections with --emit-relocs.
1301
1302 2012-08-21  Cary Coutant  <ccoutant@google.com>
1303
1304         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
1305         if --export-dynamic-symbol names an undef symbol.
1306
1307 2012-08-18  Alan Modra  <amodra@gmail.com>
1308
1309         * powerpc.cc: Formatting and white space.
1310         (Powerpc_relobj): Rename got2_section_ to special_.
1311         Add opd_ent_shndx_ and opd_ent_off_ vectors.
1312         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
1313         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
1314         (Target_powerpc): Add Address typedef and invalid_address.  Use
1315         throughout.
1316         (Target_powerpc::is_branch_reloc): New function.
1317         (Powerpc_relocate_functions): Add Address typedef, use throughout.
1318         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
1319         for dst_mask, value and addend.
1320         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
1321         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
1322         (Output_data_glink::do_write): Correct toc base.  Don't try to use
1323         uint16_t for 24-bit offset.  Use get_output_section_offset and
1324         check return.
1325         (Target_powerpc::Scan::local): Handle more relocs.
1326         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
1327         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
1328         Plug in toc restoring insn after plt calls.  Translate branches
1329         to function descriptor symbols to corresponding entry point.
1330         (Target_powerpc::relocate_for_relocatable): Check return from
1331         get_output_section_offset.
1332         * symtab.h: Comment typo.
1333
1334 2012-08-14  Ian Lance Taylor  <iant@google.com>
1335
1336         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
1337         unsupported_relocal_local to call unsupported_reloc_global.
1338
1339 2012-08-14  Nick Clifton  <nickc@redhat.com>
1340
1341         PR ld/14265
1342         * script-sections.cc (Sections_element::output_section_name): Add
1343         keep return parameter.
1344         (Output_section_element::match_name): Add keep return parameter.
1345         Return the value of the keep_ member.
1346         * script-sections.h (class Output_section): Update
1347         output_section_name prototype.
1348         * layout.cc (Layout::keep_input_section): New public member
1349         function.
1350         (Layout::choose_output_section): Pass keep parameter to
1351         output_section_name.
1352         * layout.h (class Layout): Add keep_input_section.
1353         * object.cc (Sized_relobj_file::do_layout): Check for kept input
1354         sections.
1355         * testsuite/Makefile.am: Add a test.
1356         * testsuite/Makefile.in: Regenerate.
1357         * testsuite/pr14265.c: Source file for the test.
1358         * testsuite/pr14265.t: Linker script for the test.
1359         * testsuite/pr14265.sh: Shell script for the test.
1360
1361 2012-08-14  Alan Modra  <amodra@gmail.com>
1362
1363         * target.h (Target::output_section_name): New function.
1364         (Target::do_output_section_name): New function.
1365         * layout.cc (Layout::choose_output_section): Call the above.
1366         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
1367
1368 2012-08-14  Alan Modra  <amodra@gmail.com>
1369
1370         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
1371         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
1372         for replace_constant call.
1373         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
1374         (Output_data_glink::do_print_to_mapfile): New function.
1375         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
1376         (Target_powerpc::Relocate::relocate): Likewise.
1377
1378 2012-08-14  Alan Modra  <amodra@gmail.com>
1379
1380         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
1381         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
1382         (Output_data_glink::add_entry,find_entry): Remove shndx param.
1383         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
1384         all references to shndx_.  Handle special case for R_PPC_PLTREL24
1385         here.
1386         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
1387         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
1388         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
1389         here.
1390         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
1391         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
1392
1393 2012-08-12  Alan Modra  <amodra@gmail.com>
1394
1395         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
1396         (glink insn constants): Use uint32_t.
1397         (Output_data_glink::add_entry): Use insert, not [] operator.
1398
1399 2012-08-11  Alan Modra  <amodra@gmail.com>
1400
1401         * object.h (Sized_relobj_file::find_shdr): New function.
1402         (Sized_relobj_file::find_special_sections): New function.
1403         * object.cc (Sized_relobj_file::find_shdr): New function.
1404         (Sized_relobj_file::find_eh_frame): Use find_shdr.
1405         (Sized_relobj_file::find_special_sections): New function, split out..
1406         (Sized_relobj_file::do_read_symbols): ..from here.
1407         * output.h (Output_data_got::replace_constant): New function.
1408         (Output_data_got::num_entries): New function.
1409         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
1410         (Output_data_got::got_offset): Protected rather than private.
1411         (Output_data_got::replace_got_entry): New function.
1412         * output.cc (Output_data_got::replace_got_entry): New function.
1413         * powerpc.cc (class Powerpc_relobj): New.
1414         (class Powerpc_relocate_functions): Delete all psymval variants or
1415         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
1416         Implement _ha functions using corresponding _hi function.
1417         (Powerpc_relobj::find_special_sections): New function.
1418         (Target_powerpc::do_make_elf_object): New function.
1419         (class Output_data_got_powerpc): New.
1420         (class Output_data_glink): New.
1421         (class Powerpc_scan_relocatable_reloc): New.
1422         Many more changes througout file.
1423
1424 2012-08-09  Nick Clifton  <nickc@redhat.com>
1425
1426         * po/vi.po: Updated Vietnamese translation.
1427
1428 2012-08-07  Ian Lance Taylor  <iant@google.com>
1429
1430         * layout.cc (Layout::add_target_dynamic_tags): If
1431         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
1432         plt_rel.
1433
1434 2012-07-30  Nick Clifton  <nickc@redhat.com>
1435
1436         * po/gold.pot: Updated template.
1437         * po/es.po: Updated Spanish translation.
1438
1439 2012-07-18  Cary Coutant  <ccoutant@google.com>
1440
1441         PR gold/14344
1442         * configure.ac: Add check for -gpubnames support.
1443         * configure: Regenerate.
1444         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
1445         support; force -gno-pubnames.
1446         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
1447         support.
1448         (gdb_index_test_4): New test.
1449         * testsuite/Makefile.in: Regenerate.
1450         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
1451         * testsuite/gdb_index_test_2.sh: Likewise.
1452         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
1453         * testsuite/gdb_index_test_4.sh: New script.
1454         * testsuite/gdb_index_test_comm.sh: New script with common code;
1455         don't look for space after colon.
1456
1457 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
1458
1459         * gold.cc (queue_middle_tasks): Update function order only after
1460         deferred objects due to plugins are processed.
1461
1462 2012-07-11  Ian Lance Taylor  <iant@google.com>
1463
1464         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
1465         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
1466         (Target_arm::scan_reloc_for_stub): Likewise.
1467         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
1468         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
1469         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
1470         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
1471         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
1472
1473 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
1474             Ian Lance Taylor  <iant@google.com>
1475
1476         PR gold/14309
1477         * configure.ac: Test whether std::tr1::hash<off_t> works.
1478         * gold.h: Add a specialization for std::tr1::hash<off_t> if
1479         needed.
1480         * output.h (class Output_fill): Add virtual destructor.
1481         * configure, config.in: Rebuild.
1482
1483 2012-06-22  Roland McGrath  <mcgrathr@google.com>
1484
1485         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
1486
1487 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
1488
1489         * plugin.cc (Plugin::load): Handle position independent executables.
1490
1491 2012-06-06  Cary Coutant  <ccoutant@google.com>
1492
1493         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
1494         add .debug_macro.
1495         (lines_only_debug_sections): Likewise.
1496         (gdb_fast_lookup_sections): New static array.
1497         (is_gdb_debug_section): Rename formal parameter.
1498         (is_lines_only_debug_section): Likewise.
1499         (is_gdb_fast_lookup_section): New function.
1500         (Layout::include_section): Check for ".zdebug_" prefix; pass
1501         section name suffix to is_gdb_debug_section, et al.; check for
1502         fast-lookup sections when building .gdb_index.
1503         * options.h (--strip-debug-gdb): Update GDB version number.
1504
1505 2012-06-06  Cary Coutant  <ccoutant@google.com>
1506
1507         * configure.ac: Add check for fallocate.
1508         * configure: Regenerate.
1509         * config.in: Regenerate.
1510
1511         * options.h (class General_options): Add --mmap-output-file and
1512         --posix-fallocate options.
1513         * output.cc: (posix_fallocate): Remove; replace with...
1514         (gold_fallocate): New function.
1515         (Output_file::map_no_anonymous): Call gold_fallocate.
1516         (Output_file::map): Check --mmap-output-file option.
1517
1518 2012-06-05  Jing Yu  <jingyu@google.com>
1519
1520         * gold.h (textdomain): Add do {} to empty while(0).
1521         (bindtextdomain): Likewise.
1522
1523 2012-06-04  Cary Coutant  <ccoutant@google.com>
1524
1525         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
1526         has_dynsym_index.
1527
1528 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
1529
1530         * symtab.cc (Symbol_table::define_special_symbol):
1531         Initialize *poldsym to prevent uninitialized variable errors.
1532
1533 2012-05-23  Cary Coutant  <ccoutant@google.com>
1534
1535         * layout.cc (Layout::section_name_mapping): Add rules to handle
1536         exact match on .data.rel.ro.local or .data.rel.ro.
1537         (Layout::output_section_name): Check for exact matches.
1538
1539 2012-05-23  Cary Coutant  <ccoutant@google.com>
1540
1541         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
1542         more carefully.
1543
1544 2012-05-22  Cary Coutant  <ccoutant@google.com>
1545
1546         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
1547         object before exporting symbol.
1548
1549 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1550
1551         * testsuite/tls_test.cc: Include "config.h" first.
1552         * testsuite/tls_test_c.c: Likewise.
1553
1554 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
1555             Nick Clifton  <nickc@redhat.com>
1556
1557         PR 14072
1558         * configure.in: Add check that sysdep.h has been included before
1559         any system header files.
1560         * configure: Regenerate.
1561         * config.in: Regenerate.
1562
1563 2012-05-14  Cary Coutant  <ccoutant@google.com>
1564
1565         * layout.cc (Layout::make_output_section): Mark .tdata section
1566         as RELRO.
1567         * testsuite/relro_test.cc: Add a TLS variable.
1568
1569 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1570
1571         PR gold/14091
1572         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
1573         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
1574         R_X86_64_64.
1575
1576 2012-05-08  Cary Coutant  <ccoutant@google.com>
1577
1578         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
1579         (lines_only_debug_sections): Likewise.
1580
1581 2012-05-02  Roland McGrath  <mcgrathr@google.com>
1582
1583         * nacl.cc: New file.
1584         * nacl.h: New file.
1585         * Makefile.am (CCFILES, HFILES): Add them.
1586         * Makefile.in: Regenerate.
1587         * i386.cc (Output_data_plt_i386_nacl): New class.
1588         (Output_data_plt_i386_nacl_exec): New class.
1589         (Output_data_plt_i386_nacl_dyn): New class.
1590         (Target_i386_nacl): New class.
1591         (Target_selector_i386_nacl): New class.
1592         (target_selector_i386): Use it instead of Target_selector_i386.
1593         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
1594         (Target_x86_64_nacl): New class.
1595         (Target_selector_x86_64_nacl): New class.
1596         (target_selector_x86_64, target_selector_x32): Use it instead of
1597         Target_selector_x86_64.
1598         * arm.cc (Output_data_plt_arm_nacl): New class.
1599         (Target_arm_nacl): New class.
1600         (Target_selector_arm_nacl): New class.
1601         (target_selector_arm, target_selector_armbe): Use it instead of
1602         Target_selector_arm.
1603
1604         * target-select.cc (select_target): Take new Input_file* and off_t
1605         arguments, pass them on to recognize method of selector.
1606         * object.cc (make_elf_sized_object): Update caller.
1607         * parameters.cc (parameters_force_valid_target): Likewise.
1608         * incremental.cc (make_sized_incremental_binary): Likewise.
1609         * target-select.h: Update decl.
1610         (Target_selector::recognize): Take new Input_file* argument,
1611         pass it on to do_recognize.
1612         (Target_selector::do_recognize): Take new Input_file* argument.
1613         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
1614         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
1615         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
1616         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
1617
1618         * target.h (Target::Target_info): New members isolate_execinstr
1619         and rosegment_gap.
1620         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
1621         * arm.cc (Target_arm::arm_info): Update initializer.
1622         * i386.cc (Target_i386::i386_info): Likewise.
1623         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
1624         * sparc.cc (Target_sparc::sparc_info): Likewise.
1625         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1626         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
1627         * layout.cc (Layout::attach_allocated_section_to_segment):
1628         Take new const Target* argument.  If target->isolate_execinstr(), act
1629         like --rosegment.
1630         (Layout::find_first_load_seg): Take new const Target* argument;
1631         if target->isolate_execinstr(), reject PF_X segments.
1632         (Layout::relaxation_loop_body): Update caller.
1633         (Layout::set_segment_offsets): If target->isolate_execinstr(),
1634         reset file offset to zero when we hit LOAD_SEG, and then do a second
1635         loop over the segments before LOAD_SEG to reassign offsets after
1636         addresses have been determined.  Handle target->rosegment_gap().
1637         (Layout::attach_section_to_segment): Take new const Target* argument;
1638         pass it to attach_allocated_section_to_segment.
1639         (Layout::make_output_section): Update caller.
1640         (Layout::attach_sections_to_segments): Take new const Target* argument;
1641         pass it to attach_section_to_segment.
1642         * gold.cc (queue_middle_tasks): Update caller.
1643         * layout.h (Layout): Update method decls with new arguments.
1644
1645         * arm.cc (Target_arm::Target_arm): Take optional argument for the
1646         Target_info pointer to use.
1647         (Target_arm::do_make_data_plt): New virtual method.
1648         (Target_arm::make_data_plt): New method that calls it.
1649         (Target_arm::make_plt_entry): Use it.
1650         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
1651         for the section alignment.
1652         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
1653         method.
1654         (Output_data_plt_arm::first_plt_entry_offset): Call it.
1655         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
1656         method.
1657         (Output_data_plt_arm::get_plt_entry_size): Call it.
1658         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
1659         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
1660         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
1661         method.
1662         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
1663         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
1664         method instead of sizeof(plt_entry).
1665         (Output_data_plt_arm::add_entry): Likewise.
1666         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
1667         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
1668         than static method.
1669         (Target_arm::plt_entry_size): Likewise.
1670         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
1671         Move to ...
1672         (Output_data_plt_arm_standard): ... here, new class.
1673         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
1674         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
1675         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
1676
1677         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1678         Take additional argument for the PLT entry size.
1679         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
1680         Use get_plt_entry_size method rather than plt_entry_size variable.
1681         (Output_data_plt_x86_64::reserve_slot): Likewise.
1682         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
1683         (Output_data_plt_x86_64::add_entry): Likewise.
1684         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
1685         (Output_data_plt_x86_64::address_for_global): Likewise.
1686         (Output_data_plt_x86_64::address_for_local): Likewise.
1687         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1688         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
1689         Make method non-static.
1690         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
1691         method.
1692         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
1693         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
1694         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
1695         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
1696         virtual method.
1697         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
1698         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
1699         virtual method.
1700         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
1701         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
1702         virtual method.
1703         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
1704         (Output_data_plt_x86_64::plt_entry_size)
1705         (Output_data_plt_x86_64::first_plt_entry)
1706         (Output_data_plt_x86_64::plt_entry)
1707         (Output_data_plt_x86_64::tlsdesc_plt_entry)
1708         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
1709         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
1710         (Output_data_plt_x86_64_standard): ... here, new class.
1711         (Target_x86_64::Target_x86_64): Take optional argument for the
1712         Target_info pointer to use.
1713         (Target_x86_64::do_make_data_plt): New virtual method.
1714         (Target_x86_64::make_data_plt): New method to call it.
1715         (Target_x86_64::init_got_plt_for_update): Use that.
1716         Call this->plt_->add_eh_frame method here.
1717         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
1718         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
1719         rather than static method.
1720         (Target_x86_64::plt_entry_size): Likewise.
1721         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
1722         rather than plt_entry_size variable.  Move guts of PLT filling to...
1723         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
1724         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
1725         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
1726
1727         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
1728         additional argument for the section alignment.
1729         Don't do add_eh_frame_for_plt here.
1730         (Output_data_plt_i386::first_plt_entry_offset): Make the method
1731         non-static.  Use get_plt_entry_size method rather than plt_entry_size
1732         variable.
1733         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
1734         method.
1735         (Output_data_plt_i386::get_plt_entry_size): Call it.
1736         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
1737         (Output_data_plt_i386::add_eh_frame): New method to call it.
1738         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
1739         method.
1740         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
1741         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
1742         method.
1743         (Output_data_plt_i386::fill_plt_entry): New method to call it.
1744         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
1745         method instead of plt_entry_size.
1746         (Output_data_plt_i386::plt_entry_size)
1747         (Output_data_plt_i386::plt_eh_frame_fde_size)
1748         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
1749         (Output_data_plt_i386_standard): ... here, new class.
1750         (Output_data_plt_i386_exec): New class.
1751         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
1752         (Output_data_plt_i386_exec::first_plt_entry): ... here.
1753         (Output_data_plt_i386::exec_plt_entry): Move to ...
1754         (Output_data_plt_i386_exec::plt_entry): ... here.
1755         (Output_data_plt_i386_dyn): New class.
1756         (Output_data_plt_i386::first_plt_entry): Move to ...
1757         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
1758         (Output_data_plt_i386::dyn_plt_entry): Move to ...
1759         (Output_data_plt_i386_dyn::plt_entry): ... here.
1760         (Target_i386::Target_i386): Take optional argument for the Target_info
1761         pointer to use.
1762         (Target_i386::do_make_data_plt): New virtual method.
1763         (Target_i386::make_data_plt): New method to call it.
1764         (Target_i386::make_plt_section): Use that.
1765         Call this->plt_->add_eh_frame method here.
1766         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
1767         rather than plt_entry_size variable.
1768         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
1769         (Output_data_plt_i386::address_for_local): Likewise.
1770         (Output_data_plt_i386::do_write): Likewise.
1771         Move guts of PLT filling to...
1772         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1773         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1774         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1775         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1776
1777 2012-05-01  Cary Coutant  <ccoutant@google.com>
1778
1779         * dwarf_reader.cc (Dwarf_die::read_attributes)
1780         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1781         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1782         * reduced_debug_output.cc
1783         (Output_reduced_debug_info_section::get_die_end): Remove
1784         DW_FORM_GNU_ref_index.  Add default case.
1785
1786 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1787
1788         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1789         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1790         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1791         DW_AT_high_pc as offset from DW_AT_low_pc.
1792
1793         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1794         * testsuite/Makefile.in: Regenerate.
1795         * testsuite/gdb_index_test_3.c: New test source file.
1796         * testsuite/gdb_index_test_3.sh: New test source file.
1797
1798 2012-04-25  Ian Lance Taylor  <iant@google.com>
1799
1800         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1801         pointer.
1802         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1803         as a class, not a struct.
1804         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1805         (Target_arm::apply_cortex_a8_workaround): Likewise.
1806         * gc.h: Declare Reloc_types as a struct, not a class.
1807         * object.h: Declare Symbols_data as a struct.
1808         * reloc.h: Declare Read_relocs_data as a struct.
1809         * target.h: Declare Relocate_info as a struct.
1810
1811 2012-04-24  David S. Miller  <davem@davemloft.net>
1812
1813         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1814         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1815         and R_SPARC_WPLT30.
1816
1817 2012-04-24  Cary Coutant  <ccoutant@google.com>
1818
1819         * incremental-dump.cc (find_input_containing_global): Replace
1820         magic number with symbolic constant.
1821         (dump_incremental_inputs): Update version number.
1822         * incremental.cc (Output_section_incremental_inputs): Update version
1823         number; import symbolic constants from Incremental_inputs_reader.
1824         (Incremental_inputs::create_data_sections): Align relocations
1825         section correctly for 64-bit targets.
1826         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1827         constants; add padding.
1828         (Output_section_incremental_inputs::write_header): Add assert for
1829         header_size.
1830         (Output_section_incremental_inputs::write_input_files): Add assert
1831         for input_entry_size.
1832         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1833         add assert for object_info_size, input_section_entry_size,
1834         global_sym_entry_size.
1835         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1836         for data structure sizes; use them.
1837         (Incremental_input_entry_reader): Import symbolic constants from
1838         Incremental_inputs_reader; use them.
1839
1840 2012-04-23  David S. Miller  <davem@davemloft.net>
1841
1842         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1843         and elf_flags_set_.
1844         (Target_sparc::Target_sparc): Initialize new fields.
1845         (Target_sparc::do_make_elf_object): New function.
1846         (Target_sparc::do_adjust_elf_header): New function.
1847
1848 2012-04-23  Cary Coutant  <ccoutant@google.com>
1849
1850         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1851         CU range table of gdb index.
1852
1853 2012-04-20  David S. Miller  <davem@davemloft.net>
1854
1855         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1856         instead of false.
1857
1858 2012-04-16  David S. Miller  <davem@davemloft.net>
1859
1860         * sparc.cc (Target_sparc::got_address): New function.
1861         (Sparc_relocate_functions::gdop_hix22): New function.
1862         (Sparc_relocate_functions::gdop_lox10): New function.
1863         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1864         relocs.
1865         (Target_sparc::Scan::local): Likewise if the global symbol is not
1866         preemptible and is not IFUNC.
1867         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1868         transformations for local and non-preemptible non-IFUNC global
1869         symbols.
1870
1871         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1872         writing out 64-bit part of ranges.
1873
1874         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
1875         -fpic and -fpie respectively.
1876         * Makefile.in: Regenerate.
1877
1878         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1879         (Target_sparc::Target_sparc): Initialize new field.
1880         (Target_sparc::do_plt_section_for_global): New function.
1881         (Target_sparc::do_plt_section_for_local): New function.
1882         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1883         (Target_sparc::make_plt_section): New function, broken out of
1884         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1885         (Target_sparc::make_plt_entry): Call make_plt_section.
1886         (Target_sparc::make_local_ifunc_plt_entry): New function.
1887         (Target_sparc::rela_ifunc_section): New function.
1888         (Target_sparc::plt_section): Remove const.
1889         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1890         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1891         and ifunc_count_ fields.
1892         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1893         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1894         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1895         (Output_data_plt_sparc::rela_ifunc): New function.
1896         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1897         (Output_data_plt_sparc::has_ifunc_section): New function.
1898         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1899         (Output_data_plt_sparc::address_for_global): New function.
1900         (Output_data_plt_sparc::address_for_local): New function.
1901         (Output_data_plt_sparc::plt_index_to_offset): New function.
1902         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1903         and entry_count.
1904         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1905         entry_count.
1906         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
1907         R_SPARC_JMP_IREL to switch.
1908         (Target_sparc::Scan::check_non_pic): Likewise.
1909         (Target_sparc::Scan::local): Handle IFUNC symbols.
1910         (Target_sparc::Scan::local): Likewise.
1911         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
1912         and plt_address_for_local.
1913         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
1914         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
1915
1916         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
1917         (class Output_data_reloc): Adjust calls to Output_reloc_type.
1918         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
1919         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
1920         global relocs too.
1921         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
1922         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
1923         calls.
1924         * sparc.cc (Target_sparc::Scan::global): Likewise.
1925         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1926
1927 2012-04-16  Cary Coutant  <ccoutant@google.com>
1928
1929         * archive.cc (Library_base::should_include_member): Check for
1930         --export-dynamic-symbol.
1931         * options.h (class General_options): Add --export-dynamic-symbol.
1932         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
1933         --export-dynamic-symbol.
1934         (Symbol_table::gc_mark_undef_symbols): Likewise.
1935         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
1936
1937 2012-04-12  David S. Miller  <davem@davemloft.net>
1938
1939         * sparc.cc (Reloc::wdisp10): New relocation method.
1940         (Reloc::h34): Likewise.
1941         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
1942         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
1943         R_SPARC_WDISP10.
1944         (Target_sparc::Scan::local): Likewise.
1945         (Target_sparc::Scan::global): Likewise.
1946         (Target_sparc::Relocate::relocate): Likewise.
1947
1948 2012-04-09  Cary Coutant  <ccoutant@google.com>
1949
1950         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
1951         low_pc == 0.
1952
1953 2012-04-06  Ian Lance Taylor  <iant@google.com>
1954
1955         * timer.cc: #include <unistd.h>.
1956
1957 2012-04-06  Roland McGrath  <mcgrathr@google.com>
1958
1959         * configure.in (AC_CHECK_HEADERS): Add locale.h.
1960         * config.in: Regenerate.
1961         * configure: Regenerate.
1962
1963 2012-04-05  Nick Clifton  <nickc@redhat.com>
1964
1965         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
1966         (AM_LC_MESSAGES): Add.
1967         * aclocal.m4: Regenerate.
1968         * config.in: Regenerate.
1969         * configure: Regenerate.
1970
1971 2012-03-21  Cary Coutant  <ccoutant@google.com>
1972
1973         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1974         * Makefile.in: Regenerate.
1975         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1976         (Sized_elf_reloc_mapper::symbol_section): New function.
1977         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1978         (make_elf_reloc_mapper): New function.
1979         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1980         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1981         (Dwarf_abbrev_table::do_get_abbrev): New function.
1982         (Dwarf_ranges_table::read_ranges_table): New function.
1983         (Dwarf_ranges_table::read_range_list): New function.
1984         (Dwarf_pubnames_table::read_section): New function.
1985         (Dwarf_pubnames_table::read_header): New function.
1986         (Dwarf_pubnames_table::next_name): New function.
1987         (Dwarf_die::Dwarf_die): New function.
1988         (Dwarf_die::read_attributes): New function.
1989         (Dwarf_die::skip_attributes): New function.
1990         (Dwarf_die::set_name): New function.
1991         (Dwarf_die::set_linkage_name): New function.
1992         (Dwarf_die::attribute): New function.
1993         (Dwarf_die::string_attribute): New function.
1994         (Dwarf_die::int_attribute): New function.
1995         (Dwarf_die::uint_attribute): New function.
1996         (Dwarf_die::ref_attribute): New function.
1997         (Dwarf_die::child_offset): New function.
1998         (Dwarf_die::sibling_offset): New function.
1999         (Dwarf_info_reader::check_buffer): New function.
2000         (Dwarf_info_reader::parse): New function.
2001         (Dwarf_info_reader::do_parse): New function.
2002         (Dwarf_info_reader::do_read_string_table): New function.
2003         (Dwarf_info_reader::lookup_reloc): New function.
2004         (Dwarf_info_reader::get_string): New function.
2005         (Dwarf_info_reader::visit_compilation_unit): New function.
2006         (Dwarf_info_reader::visit_type_unit): New function.
2007         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
2008         Sized_elf_reloc_mapper.
2009         (Sized_dwarf_line_info::symbol_section): Remove function.
2010         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
2011         (Sized_dwarf_line_info::read_line_mappings): Remove object
2012         parameter, adjust callers.
2013         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
2014         * dwarf_reader.h: Include <sys/types.h>.
2015         (class Track_relocs): Remove forward declaration.
2016         (class Elf_reloc_mapper): New class.
2017         (class Sized_elf_reloc_mapper): New class.
2018         (class Dwarf_abbrev_table): New class.
2019         (class Dwarf_range_list): New class.
2020         (class Dwarf_ranges_table): New class.
2021         (class Dwarf_pubnames_table): New class.
2022         (class Dwarf_die): New class.
2023         (class Dwarf_info_reader): New class.
2024         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
2025         (Sized_dwarf_line_info::symbol_section): Remove member function.
2026         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
2027         base class.
2028         * gdb-index.cc: New source file.
2029         * gdb-index.h: New source file.
2030         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
2031         and .debug_types sections, call Layout::add_to_gdb_index.
2032         (Sized_relobj_incr::do_section_name): Implement.
2033         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
2034         return type; Implement.
2035         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
2036         return type.
2037         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
2038         parameter list and return type.
2039         (Sized_incr_dynobj::do_section_contents): Likewise.
2040         * layout.cc: Include gdb-index.h.
2041         (Layout::Layout): Initialize gdb_index_data_.
2042         (Layout::init_fixed_output_section): Check for .gdb_index section.
2043         (Layout::add_to_gdb_index): New function. Instantiate.
2044         * layout.h: Add forward declaration for class Gdb_index.
2045         (Layout::add_to_gdb_index): New member function.
2046         (Layout::gdb_index_data_): New data member.
2047         * main.cc: Include gdb-index.h.
2048         (main): Print statistics for gdb index.
2049         * object.cc (Object::section_contents): Move code into
2050         do_section_contents.
2051         (need_decompressed_section): Check for sections needed when building
2052         gdb index.
2053         (build_compressed_section_map): Likewise.
2054         (Sized_relobj_file::do_read_symbols): Need local symbols when building
2055         gdb index.
2056         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
2057         sections; call Layout::add_to_gdb_index.
2058         (Sized_relobj_file::do_decompressed_section_contents): Call
2059         do_section_contents directly.
2060         * object.h (Object::do_section_contents): Adjust parameter list and
2061         return type.
2062         (Object::do_decompressed_section_contents): Call do_section_contents
2063         directly.
2064         (Sized_relobj_file::do_section_contents): Adjust parameter list and
2065         return type.
2066         * options.h (class General_options): Add --gdb-index option.
2067         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
2068         list and return type.
2069         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
2070         * reloc.h (Track_relocs::checkpoint): New function.
2071         (Track_relocs::reset): New function.
2072
2073         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
2074         New test cases.
2075         * testsuite/Makefile.in: Regenerate.
2076         * testsuite/gdb_index_test.cc: New test source file.
2077         * testsuite/gdb_index_test_1.sh: New test source file.
2078         * testsuite/gdb_index_test_2.sh: New test source file.
2079
2080 2012-03-19  Doug Kwan  <dougkwan@google.com>
2081
2082         * arm.cc (Target_arm::do_define_standard_symbols): New method.
2083         (Target_arm::do_finalize_sections): Remove code which defines
2084         __exidx_start and __exidx_end.  Make symbol table parameter
2085         anonymous as it is not used.
2086         * gold.cc (queue_middle_tasks): Call target hook to define any
2087         target-specific symbols.
2088         * target.h (Target::define_standard_symbols): New method.
2089         (Target::do_define_standard_symbols): Same.
2090         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
2091         * testsuite/Makefile.in: Regenerate.
2092         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
2093         and __exidx_end.
2094         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
2095         relocations are generated for __exidx_start and __exidx_end.
2096
2097 2012-03-16  Doug Kwan  <dougkwan@google.com>
2098
2099         * testsuite/Makefile.am: Disable test initpri3b.
2100         * testsuite/Makefile.in: Regenerate.
2101
2102 2012-03-15  Doug Kwan  <dougkwan@google.com>
2103
2104         * arm.cc (Target_arm::got_section): Make .got section read-only
2105         if -z now is given.
2106
2107 2012-03-15  Ian Lance Taylor  <iant@google.com>
2108
2109         PR gold/13850
2110         * layout.cc (Layout::make_output_section): Correctly mark
2111         SHT_INIT_ARRAY, et. al., as relro.
2112
2113 2012-03-14  Doug Kwan  <dougkwan@google.com>
2114
2115         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
2116         dynamic relocations for protected symbols in shared objects.
2117
2118 2012-03-13  Ian Lance Taylor  <iant@google.com>
2119
2120         * resolve.cc (Symbol_table::resolve): When merging common symbols,
2121         keep the larger alignment.
2122
2123 2012-03-12  Cary Coutant  <ccoutant@google.com>
2124
2125         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
2126         handling of DW_LNE_define_file.
2127
2128 2012-03-12  Cary Coutant  <ccoutant@google.com>
2129
2130         * reduced_debug_output.cc
2131         (Output_reduced_debug_info_section::get_die_end): Add new FORM
2132         codes to switch.
2133
2134 2012-02-29  Cary Coutant  <ccoutant@google.com>
2135
2136         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
2137
2138 2012-02-29  Cary Coutant  <ccoutant@google.com>
2139
2140         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2141         Call Object::decompressed_section_contents.
2142         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
2143         New dtor.
2144         (Sized_dwarf_line_info::buffer_start_): New data member.
2145         * merge.cc (Output_merge_data::do_add_input_section): Call
2146         Object::decompressed_section_contents.
2147         (Output_merge_string::do_add_input_section): Likewise.
2148         * object.cc (need_decompressed_section): New function.
2149         (build_compressed_section_map): Decompress sections needed later.
2150         (Sized_relobj_file::do_decompressed_section_contents): New function.
2151         (Sized_relobj_file::do_discard_decompressed_sections): New function.
2152         * object.h (Object::decompressed_section_contents): New function.
2153         (Object::discard_decompressed_sections): New function.
2154         (Object::do_decompressed_section_contents): New function.
2155         (Object::do_discard_decompressed_sections): New function.
2156         (Compressed_section_info): New type.
2157         (Compressed_section_map): Include decompressed section contents.
2158         (Sized_relobj_file::do_decompressed_section_contents): New function.
2159         (Sized_relobj_file::do_discard_decompressed_sections): New function.
2160
2161 2012-02-16  Cary Coutant  <ccoutant@google.com>
2162
2163         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
2164         * testsuite/Makefile.in: Regenerate.
2165
2166 2012-02-14  Cary Coutant  <ccoutant@google.com>
2167
2168         * options.cc (General_options::finalize): Disallow -pie and -static.
2169
2170 2012-02-03  Doug Kwan  <dougkwan@google.com>
2171
2172         * arm.cc (Arm_relocate_functions::abs8,
2173         Arm_relocate_functions::abs16): Use
2174         Bits::has_signed_unsigned_overflow32.
2175         (Arm_relocate_functions::thm_abs8): Correct range of
2176         overflow check.
2177         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
2178         in assertions.
2179
2180 2012-02-02  Doug Kwan  <dougkwan@google.com>
2181
2182         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
2183         position independent outputs, not just shared objects.
2184
2185 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
2186
2187         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
2188         * configure: Regenerated.
2189
2190 2012-01-27  Ian Lance Taylor  <iant@google.com>
2191
2192         * reloc.h (Bits): New class with static functions, copied from
2193         namespace utils in arm.cc.
2194         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
2195         instead.
2196
2197 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2198
2199         * incremental.cc (write_info_blocks): Correct relocation offset.
2200
2201 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2202
2203         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
2204         (Relocate::tls_gd_to_le): Likewise.
2205
2206 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2207
2208         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
2209
2210 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2211
2212         * configure.ac: Check if -mcmodel=medium works.
2213         * configure: Regenerated.
2214
2215 2012-01-24  Cary Coutant  <ccoutant@google.com>
2216
2217         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
2218         definition and ...
2219         (read_unsigned_LEB_128_x): ... this new function.
2220         (read_signed_LEB_128): Replaced with inline definition and ...
2221         (read_signed_LEB_128_x): ... this new function.
2222         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
2223         (read_unsigned_LEB_128): Add inline definition.
2224         (read_signed_LEB_128_x): New function.
2225         (read_signed_LEB_128): Add inline definition.
2226         * testsuite/Makefile.am (leb128_unittest): New unit test.
2227         * testsuite/Makefile.in: Regenerate.
2228         * testsuite/leb128_unittest.cc: New unit test.
2229
2230 2012-01-23  Ian Lance Taylor  <iant@google.com>
2231
2232         PR gold/13617
2233         * i386.cc (Target_i386::do_code_fill): When using a jmp
2234         instruction, pad with nop instructions.
2235         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
2236
2237 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2238
2239         * x86_64.cc (gc_process_relocs): Add typename on types used in
2240         template.
2241         (scan_relocs): Likewise.
2242         (relocate_section): Likewise.
2243         (apply_relocation): Likewise.
2244
2245 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
2246
2247         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
2248         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
2249         under x32.
2250
2251 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
2252
2253         * x86_64.cc: Initial support for x32.
2254
2255 2012-01-03  Cary Coutant  <ccoutant@google.com>
2256
2257         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
2258         Use abstract base class for GOT.
2259         * gold/output.h (class Output_data_got_base): New abstract base class.
2260         (class Output_data_got): Derive from new base class, adjust ctors.
2261         (Output_data_got::reserve_slot): Make virtual; rename to
2262         do_reserve_slot; Adjust callers.
2263         * gold/target.h (Sized_target::init_got_plt_for_update): Return
2264         pointer to abstract base class.
2265         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
2266
2267 2011-12-18  Ian Lance Taylor  <iant@google.com>
2268
2269         * object.h (Relobj::local_symbol_value): New function.
2270         (Relobj::local_plt_offset): New function.
2271         (Relobj::local_has_got_offset): New function.
2272         (Relobj::local_got_offset): New function.
2273         (Relobj::set_local_got_offset): New function.
2274         (Relobj::do_local_symbol_value): New pure virtual function.
2275         (Relobj::do_local_plt_offset): Likewise.
2276         (Relobj::do_local_has_got_offset): Likewise.
2277         (Relobj::do_local_got_offset): Likewise.
2278         (Relobj::do_set_local_got_offset): Likewise.
2279         (Sized_relobj::do_local_has_got_offset): Rename from
2280         local_has_got_offset.
2281         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
2282         (Sized_relobj::do_set_local_got_offset): Rename from
2283         set_local_got_offset.
2284         (Sized_relobj_file::do_local_plt_offset): Rename from
2285         local_plt_offset.
2286         (Sized_relobj_file::do_local_symbol_value): New function.
2287         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
2288         local_plt_offset.
2289         * output.cc (Output_data_got::Got_entry::write): Change object to
2290         Relobj.  Use local_symbol_value.
2291         (Output_data_got::add_global_with_rel): Change rel_dyn to
2292         Output_data_reloc_generic*.  Use add_global_generic.
2293         (Output_data_got::add_global_with_rela): Remove.  Change all
2294         callers to use add_global_with_rel.
2295         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
2296         Output_data_reloc_generic*.  Use add_global_generic.
2297         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
2298         callers to use add_global_pair_with_rel.
2299         (Output_data_got::add_local): Change object to Relobj*.
2300         (Output_data_got::add_local_plt): Likewise.
2301         (Output_data_got::add_local_with_rel): Change object to Relobj*,
2302         change rel_dyn to Output_data_reloc_generic*.  Use
2303         add_local_generic.
2304         (Output_data_got::add_local_with_rela): Remove.  Change all
2305         callers to use all_local_with_rel.
2306         (Output_data_got::add_local_pair_with_rel): Change object to
2307         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
2308         add_output_section_generic.
2309         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
2310         callers to use add_local_pair_with_rel.
2311         (Output_data_got::reserve_local): Change object to Relobj*.
2312         * output.h: (class Output_data_reloc_generic): Add pure virtual
2313         declarations for add_global_generic, add_local_generic,
2314         add_output_section_generic.
2315         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
2316         functions for Output_data_reloc_generic.  Update declarations for
2317         changes listed in output.cc.
2318         (class Output_data_got): Change template parameter to got_size.
2319         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
2320         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
2321         function.
2322         (Sized_relobj_incr::do_local_plt_offset): New function.
2323         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
2324         add_global_generic.
2325
2326 2011-12-17  Cary Coutant  <ccoutant@google.com>
2327
2328         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
2329         * resolve.cc (Symbol_table::resolve): Likewise.
2330         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
2331         arrays.
2332         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
2333
2334 2011-12-16  Ian Lance Taylor  <iant@google.com>
2335
2336         * output.h (Output_data_reloc_generic::add): Only call
2337         add_dynamic_reloc if this is a dynamic reloc section.
2338
2339 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
2340
2341         PR gold/13505
2342         * target-reloc.h (apply_relocation): Replace <64, false> with
2343         <size, big_endian>.
2344
2345 2011-11-25  Nick Clifton  <nickc@redhat.com>
2346
2347         * po/it.po: New Italian translation.
2348
2349 2011-11-17  Sterling Augustine  <saugustine@google.com>
2350
2351         * script.cc (script_include_directive): Implement.
2352         (read_script_file): New local variables name and search_path. Update
2353         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
2354         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
2355         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
2356
2357 2011-11-11  Sterling Augustine  <saugustine@google.com>
2358
2359         * yyscript.y (section_cmd): Add support for INCLUDE directive.
2360         (file_or_sections_cmd): Likewise.
2361
2362 2011-11-11  Doug Kwan  <dougkwan@google.com>
2363
2364         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
2365         if --just-symbols is given.
2366
2367 2011-11-10  Doug Kwan  <dougkwan@google.com>
2368
2369         PR gold/13362
2370         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
2371         when processing data relocs.
2372         * reloc.h (Relocate_functions::rel_unaligned): New method.
2373         (Relocate_functions::pcrel_unaligned): Ditto.
2374         (Relocate_functions::rel32_unaligned): Ditto.
2375         (Relocate_functions::pcrel32_unaligned): Ditto.
2376
2377 2011-11-09  Doug Kwan  <dougkwan@google.com>
2378
2379         PR gold/13362
2380         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
2381         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
2382         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
2383         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2384         (Relocate_functions::rel_unaligned): New.
2385         (Relocate_functions::rel32_unaligned): New.
2386         * target-reloc.h (relocate_for_relocatable): Add code to handle
2387         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2388         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
2389         arm_unaligned_reloc_r): New targets.
2390         * testsuite/Makefile.in: Regenerate.
2391         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
2392         linking.
2393
2394 2011-11-02  Ian Lance Taylor  <iant@google.com>
2395
2396         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
2397         NATIVE_LINKER.
2398         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
2399         * options.cc (General_options::finalize): Use library search path
2400         from configure script if specified.  If not native and no sysroot,
2401         only search TOOLLIBDIR.
2402         * options.h (Search_directory::Search_directory): Change name to
2403         const std::string&.
2404         (General_options::add_to_library_path_with_sysroot): Change arg to
2405         const std::string&.
2406         * configure, Makefile.in, config.in: Rebuild.
2407
2408 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2409
2410         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
2411         we are working around the ARM1176 Erratum.
2412         * options.h (General_options::fix_arm1176): Add option.
2413         * testsuite/Makefile.am: Add testcases, and keep current ones
2414         working.
2415         * testsuite/Makefile.in: Regenerate.
2416         * testsuite/arm_fix_1176.s: New file.
2417         * testsuite/arm_fix_1176.sh: Likewise.
2418
2419 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2420
2421         * arm.cc (Target_arm::Target_arm): Remove initialisation of
2422         may_use_blx_.
2423         (Target_arm::may_use_blx): Remove method.
2424         (Target_arm::set_may_use_blx): Likewise.
2425         (Target_arm::may_use_v4t_interworking): New method.
2426         (Target_arm::may_use_v5t_interworking): Likewise.
2427         (Target_arm::may_use_blx_): Remove member variable.
2428         (Arm_relocate_functions::arm_branch_common): Check for v5T
2429         interworking.
2430         (Arm_relocate_functions::thumb_branch_common): Likewise.
2431         (Reloc_stub::stub_type_for_reloc): Likewise.
2432         (Target_arm::do_finalize_sections): Correct interworking checks.
2433         * testsuite/Makefile.am: Add new tests.
2434         * testsuite/Makefile.in: Regenerate.
2435         * testsuite/arm_farcall_arm_arm.s: New test.
2436         * testsuite/arm_farcall_arm_arm.sh: Likewise.
2437         * testsuite/arm_farcall_arm_thumb.s: Likewise.
2438         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
2439         * testsuite/arm_farcall_thumb_arm.s: Likewise.
2440         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
2441         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
2442         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
2443
2444 2011-10-31  Cary Coutant  <ccoutant@google.com>
2445
2446         PR gold/13023
2447         * expression.cc (Expression::eval_with_dot): Add
2448         is_section_dot_assignment parameter.
2449         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
2450         absolute and assigning to dot within a section.
2451         * script-sections.cc
2452         (Output_section_element_assignment::set_section_addresses): Pass
2453         dot_section to set_if_absolute.
2454         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
2455         as is_section_dot_assignment flag to eval_with_dot.
2456         (Output_section_element_dot_assignment::set_section_addresses):
2457         Likewise.
2458         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
2459         parameter.  Also set value if relative to dot_section; set the
2460         symbol's output_section.
2461         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
2462         parameter.  Adjust all callers.
2463         (Expression::eval_maybe_dot): Likewise.
2464         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
2465         Adjust all callers.
2466         * testsuite/script_test_2.t: Test assignment of an absolute value
2467         to dot within an output section element.
2468
2469 2011-10-31  Cary Coutant  <ccoutant@google.com>
2470
2471         * options.h (class General_options): Add --[no-]gnu-unique options.
2472         * symtab.cc (Symbol_table::sized_write_globals): Convert
2473         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
2474
2475 2011-10-31  Cary Coutant  <ccoutant@google.com>
2476
2477         PR gold/13359
2478         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
2479         unnecessary assertion.
2480         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
2481
2482 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
2483
2484         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2485         gc_mark_symbol.
2486         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2487         gc_mark_symbol.
2488         Change to just keep the section associated with symbol.
2489         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
2490         they are externally visible and --export-dynamic is turned on.
2491         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
2492
2493 2011-10-19  Ian Lance Taylor  <iant@google.com>
2494
2495         PR gold/13163
2496         * script-sections.cc
2497         (Output_section_element_dot_assignment::needs_output_section): New
2498         function.
2499
2500 2011-10-19  Ian Lance Taylor  <iant@google.com>
2501
2502         PR gold/13204
2503         * layout.cc (Layout::segment_precedes): Don't assert failure if a
2504         --section-start option was seen.
2505         * options.h (General_options::any_section_start): New function.
2506
2507 2011-10-18  David S. Miller  <davem@davemloft.net>
2508
2509         PR binutils/13301
2510         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
2511         member to track relocation locations that have moved during TLS
2512         reloc optimizations.
2513         (Target_sparc::Relocate::Relocate): Initialize to NULL.
2514         (Target_sparc::Relocate::relocate): Adjust view down by 4
2515         bytes if it matches reloc_adjust_addr_.
2516         (Target_sparc::Relocate::relocate_tls): Always move the
2517         __tls_get_addr call delay slot instruction forward 4 bytes when
2518         performing relaxation.
2519
2520 2011-10-18  Cary Coutant  <ccoutant@google.com>
2521
2522         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
2523         (Output_file::map_no_anonymous): Check for non-zero
2524         return code from posix_fallocate.
2525
2526 2011-10-17  Cary Coutant  <ccoutant@google.com>
2527
2528         PR gold/13245
2529         * plugin.cc (is_visible_from_outside): Check for symbols
2530         referenced from dynamic objects.
2531         * resolve.cc (Symbol_table::resolve): Don't count references
2532         from dynamic objects as references from real ELF files.
2533         * testsuite/plugin_test_2.sh: Adjust expected result.
2534
2535 2011-10-17  Cary Coutant  <ccoutant@google.com>
2536
2537         * gold.cc: Include timer.h.
2538         (queue_middle_tasks): Stamp time.
2539         (queue_final_tasks): Likewise.
2540         * main.cc (main): Store timer in parameters.  Print timers
2541         for each pass.
2542         * parameters.cc (Parameters::Parameters): Initialize timer_.
2543         (Parameters::set_timer): New function.
2544         (set_parameters_timer): New function.
2545         * parameters.h (Parameters::set_timer): New function.
2546         (Parameters::timer): New function.
2547         (Parameters::timer_): New data member.
2548         (set_parameters_timer): New function.
2549         * timer.cc (Timer::stamp): New function.
2550         (Timer::get_pass_time): New function.
2551         * timer.h (Timer::stamp): New function.
2552         (Timer::get_pass_time): New function.
2553         (Timer::pass_times_): New data member.
2554
2555 2011-10-17  Cary Coutant  <ccoutant@google.com>
2556
2557         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
2558         task for members of lib groups.
2559
2560 2011-10-17  Cary Coutant  <ccoutant@google.com>
2561
2562         PR gold/13288
2563         * fileread.cc (File_read::find_view): Add assert.
2564         (File_read::make_view): Move bounds check (replace with assert)...
2565         (File_read::find_or_make_view): ... to here.
2566
2567 2011-10-12  Cary Coutant  <ccoutant@google.com>
2568
2569         * output.cc (Output_file::open_base_file): Handle case where
2570         ::read returns less than requested size.
2571
2572 2011-10-10  Cary Coutant  <ccoutant@google.com>
2573
2574         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
2575         Initialize defined_count_.
2576         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
2577         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
2578         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
2579         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
2580         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
2581         * incremental.h (Sized_relobj_incr::defined_count_): New data
2582         member.
2583         (Sized_incr_dynobj::defined_count_): New data member.
2584         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
2585         Return zeroes instead of internal error.
2586
2587 2011-10-10  Cary Coutant  <ccoutant@google.com>
2588
2589         PR gold/13249
2590         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
2591         (Output_reloc::symbol_value): Return PLT offset if flag is set.
2592         * output.h (class Output_reloc): Add use_plt_offset flag.
2593         (Output_reloc::type_): Adjust size of bit field.
2594         (Output_reloc::use_plt_offset_): New bit field.
2595         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
2596         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
2597         flag.  Adjust all callers.
2598         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
2599         creating RELATIVE relocations.
2600
2601 2011-10-10  Nick Clifton  <nickc@redhat.com>
2602
2603         * po/es.po: Updated Spanish translation.
2604         * po/fi.po: Updated Finnish translation.
2605
2606 2011-10-03   Diego Novillo  <dnovillo@google.com>
2607
2608         * options.cc (parse_uint): Fix dereference of RETVAL.
2609
2610 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
2611
2612         * layout.h (section_order_map_): New member.
2613         (get_section_order_map): New member function.
2614         * output.cc (Output_section::add_input_section): Check for patterns
2615         only when --section-ordering-file is specified.
2616         * gold.cc (queue_middle_tasks): Delay updating order of sections till
2617         output_sections have been formed.
2618         * layout.cc (Layout_Layout): Initialize section_order_map_.
2619         * plugin.cc (update_section_order): Store order in order_map. Do not
2620         update the order.
2621         * testsuite/Makefile.am: Add test case for plugin_final_layout.
2622         * testsuite/Makefile.in: Regenerate.
2623         * testsuite/plugin_section_order.c: New file.
2624         * testsuite/plugin_final_layout.cc: New file.
2625         * testsuite/plugin_final_layout.sh: New file.
2626
2627 2011-09-29  Cary Coutant  <ccoutant@google.com>
2628
2629         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2630         Check for NULL.
2631         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
2632         symbols during incremental update.
2633         (Symbol_table::add_from_dynobj): Likewise.
2634
2635 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2636             Ian Lance Taylor  <iant@google.com>
2637
2638         * symtab.cc (Symbol_table::define_special_symbol): Always
2639         canonicalize version string.
2640
2641 2011-09-26  Cary Coutant  <ccoutant@google.com>
2642
2643         * gold.cc (queue_initial_tasks): Move option checks ...
2644         * options.cc (General_options::finalize): ... to here. Disable
2645         some options; make others fatal.
2646
2647 2011-09-26  Cary Coutant  <ccoutant@google.com>
2648
2649         gcc PR lto/47247
2650         * plugin.cc (get_symbols_v2): New function.
2651         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
2652         (is_referenced_from_outside): New function.
2653         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
2654         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
2655         (get_symbols): Pass version parameter.
2656         (get_symbols_v2): New function.
2657         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
2658         parameter.
2659         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
2660         (onload): Add LDPT_GET_SYMBOLS_V2.
2661         (all_symbols_read_hook): Use get_symbols_v2; check for
2662         LDPR_PREVAILING_DEF_IRONLY_EXP.
2663         * testsuite/plugin_test_3.sh: Update expected results.
2664
2665 2011-09-23  Simon Baldwin  <simonb@google.com>
2666
2667         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
2668         configuration options.
2669         * configure: Regenerate.
2670         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
2671         * Makefile.in: Regenerate.
2672         * testsuite/Makefile.in: Regenerate.
2673
2674 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
2675
2676         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
2677
2678 2011-09-19  Cary Coutant  <ccoutant@google.com>
2679
2680         * incremental.cc (can_incremental_update): Fix typo in comment.
2681         * incremental.h (can_incremental_update): Likewise.
2682
2683 2011-09-18  Cary Coutant  <ccoutant@google.com>
2684
2685         * incremental.cc (can_incremental_update): New function.
2686         * incremental.h (can_incremental_update): New function.
2687         * layout.cc (Layout::init_fixed_output_section): Call it.
2688         (Layout::make_output_section): Don't allow patch space in .eh_frame.
2689         * object.cc (Sized_relobj_file::do_layout): Call
2690         can_incremental_update.
2691
2692 2011-09-13  Cary Coutant  <ccoutant@google.com>
2693
2694         * configure.ac: Check for glibc support for gnu_indirect_function
2695         support with static linking, setting automake conditional
2696         IFUNC_STATIC.
2697         * Makefile.in: Regenerate.
2698         * configure: Regenerate.
2699
2700         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
2701         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
2702         for IFUNC_STATIC.
2703         * testsuite/Makefile.in: Regenerate.
2704
2705 2011-09-13  Cary Coutant  <ccoutant@google.com>
2706
2707         * incremental.cc (Sized_relobj_incr::do_layout): Call
2708         report_comdat_group for kept comdat sections.
2709         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
2710         * testsuite/Makefile.in: Regenerate.
2711         * testsuite/incr_comdat_test_1.cc: New source file.
2712         * testsuite/incr_comdat_test_2_v1.cc: New source file.
2713         * testsuite/incr_comdat_test_2_v2.cc: New source file.
2714         * testsuite/incr_comdat_test_2_v3.cc: New source file.
2715
2716 2011-09-13  Ian Lance Taylor  <iant@google.com>
2717
2718         * object.cc (Sized_relobj_file::do_layout): Remove unused local
2719         variable external_symbols_offset.
2720
2721 2011-09-12  Ian Lance Taylor  <iant@google.com>
2722
2723         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
2724         triggered if object has no symbols.
2725
2726 2011-09-09  David S. Miller  <davem@davemloft.net>
2727
2728         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
2729         (Output_fill_debug_line::do_write): Likewise.
2730
2731 2011-08-29  Cary Coutant  <ccoutant@google.com>
2732
2733         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
2734         casts to match formatting specs.
2735         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
2736
2737 2011-08-26  Cary Coutant  <ccoutant@google.com>
2738
2739         * layout.cc (Free_list::allocate): Provide guarantee of minimum
2740         remaining hole size when allocating.
2741         (Layout::make_output_section): Set fill methods for debug sections.
2742         * layout.h (Free_list::Free_list_node): Move from private to
2743         public.
2744         (Free_list::set_min_hole_size): New function.
2745         (Free_list::begin, Free_list::end): New functions.
2746         (Free_list::min_hole_): New data member.
2747         * output.cc: Include dwarf.h.
2748         (Output_fill_debug_info::do_minimum_hole_size): New function.
2749         (Output_fill_debug_info::do_write): New function.
2750         (Output_fill_debug_line::do_minimum_hole_size): New function.
2751         (Output_fill_debug_line::do_write): New function.
2752         (Output_section::Output_section): Initialize new data member.
2753         (Output_section::set_final_data_size): Ensure patch space is larger
2754         than minimum hole size.
2755         (Output_section::do_write): Fill holes in debug sections.
2756         * output.h (Output_fill): New class.
2757         (Output_fill_debug_info): New class.
2758         (Output_fill_debug_line): New class.
2759         (Output_section::set_free_space_fill): New function.
2760         (Output_section::free_space_fill_): New data member.
2761         * testsuite/Makefile.am (incremental_test_3): Add
2762         --incremental-patch option.
2763         (incremental_test_4): Likewise.
2764         (incremental_test_5): Likewise.
2765         (incremental_test_6): Likewise.
2766         (incremental_copy_test): Likewise.
2767         (incremental_common_test_1): Likewise.
2768         * testsuite/Makefile.in: Regenerate.
2769
2770 2011-08-26  Nick Clifton  <nickc@redhat.com>
2771
2772         * po/es.po: Updated Spanish translation.
2773
2774 2011-08-01  Cary Coutant  <ccoutant@google.com>
2775
2776         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2777         * gold/testsuite/Makefile.in: Regenerate.
2778         * gold/testsuite/justsyms_exec.c: New source file.
2779         * gold/testsuite/justsyms_lib.c: New source file.
2780
2781 2011-08-01  Cary Coutant  <ccoutant@google.com>
2782
2783         * layout.cc (Layout::set_segment_offsets): Don't realign text
2784         segment if -Ttext was specified.
2785         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2786         file type.
2787         * object.h (Sized_relobj_file::e_type): New function.
2788         (Sized_relobj_file::e_type_): New data member.
2789         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2790         base address for ET_EXEC files.
2791         * target.cc (Target::do_make_elf_object_implementation): Allow
2792         ET_EXEC files with --just-symbols option.
2793
2794 2011-07-28  Cary Coutant  <ccoutant@google.com>
2795
2796         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2797         Add thread_number parameter.
2798         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2799         * workqueue-threads.cc
2800         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2801         current thread if its thread number is greater than desired thread
2802         count.
2803         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2804         Add thread_number parameter.
2805         (Workqueue::should_cancel_thread): Likewise.
2806         (Workqueue::find_runnable_or_wait): Pass thread_number to
2807         should_cancel_thread.
2808         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2809         parameter.
2810
2811 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2812
2813         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2814         only after checking if it cannot be forced local.
2815         * symtab.h (is_externally_visible): Check if the symbol is not forced
2816         local.
2817
2818 2011-07-15  Ian Lance Taylor  <iant@google.com>
2819
2820         * options.h (class General_options): Add --print-output-format.
2821         Move -EL next to -EB, for  better --help output.
2822         * target-select.cc: Include <cstdio>, "options.h", and
2823         "parameters.h".
2824         (Target_selector::do_target_bfd_name): New function.
2825         (print_output_format): New function.
2826         * target-select.h (class Target_selector): Update declarations.
2827         (Target_selector::target_bfd_name): New function.
2828         (print_output_format): Declare.
2829         * main.cc: Include "target-select.h".
2830         (main): Handle --print-output-format.
2831         * gold.cc: Include "target-select.h".
2832         (queue_initial_tasks): Handle --print-output-format when there are
2833         no input files.
2834         * parameters.cc (parameters_force_valid_target): Give a better
2835         error message if -EB/-EL does not match target.
2836         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2837         function.
2838
2839 2011-07-15  Ian Lance Taylor  <iant@google.com>
2840
2841         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2842         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2843         (Output_data_plt_i386::do_write): Write address of .dynamic
2844         section to first entry in .got.plt section.
2845         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2846         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2847         Initialize layout_.
2848         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2849         section to first entry in .got.plt section.
2850         * layout.h (Layout::dynamic_section): New function.
2851
2852 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2853
2854         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2855         to claim_file call.
2856         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2857         input_section_position_, and input_section_glob_.
2858         (read_layout_from_file): Call function section_ordering_specified.
2859         * layout.h (is_section_ordering_specified): New function.
2860         (section_ordering_specified): New function.
2861         (section_ordering_specified_): New boolean member.
2862         * main.cc(main): Call load_plugins after layout object is defined.
2863         * output.cc (Output_section::add_input_section): Use
2864         function section_ordering_specified to check if section ordering is
2865         needed.
2866         * output.cc (Output_section::add_relaxed_input_section): Use
2867         function section_ordering_specified to check if section ordering is
2868         needed.
2869         (Output_section::update_section_layout): New function.
2870         (Output_section::sort_attached_input_sections): Check if input section
2871         must be reordered.
2872         * output.h (Output_section::update_section_layout): New function.
2873         * plugin.cc (get_section_count): New function.
2874         (get_section_type): New function.
2875         (get_section_name): New function.
2876         (get_section_contents): New function.
2877         (update_section_order): New function.
2878         (allow_section_ordering): New function.
2879         (Plugin::load): Add the new interfaces to the transfer vector.
2880         (Plugin_manager::load_plugins): New parameter.
2881         (Plugin_manager::all_symbols_read): New parameter.
2882         (Plugin_manager::claim_file): New parameter. Save the elf object for
2883         unclaimed objects.
2884         (Plugin_manager::get_elf_object): New function.
2885         (Plugin_manager::get_view): Change to directly use the bool to check
2886         if get_view is called from claim_file_hook.
2887         * plugin.h (input_objects): New function
2888         (Plugin__manager::load_plugins): New parameter.
2889         (Plugin_manager::claim_file): New parameter.
2890         (Plugin_manager::get_elf_object): New function.
2891         (Plugin_manager::in_claim_file_handler): New function.
2892         (Plugin_manager::in_claim_file_handler_): New member.
2893         (layout): New function.
2894         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2895         handler with an extra parameter. Make the elf object before calling
2896         claim_file handler.
2897         * testsuite/plugin_test.c (get_section_count): New function pointer.
2898         (get_section_type): New function pointer.
2899         (get_section_name): New function pointer.
2900         (get_section_contents): New function pointer.
2901         (update_section_order): New function pointer.
2902         (allow_section_ordering): New function pointer.
2903         (onload): Check if the new interfaces exist.
2904
2905 2011-07-13  Ian Lance Taylor  <iant@google.com>
2906
2907         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
2908         relro section.
2909         * x86_64.cc (Target_x86_64::got_section): Likewise.
2910         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
2911         (relro_now_test_SOURCES): New variable.
2912         (relro_now_test_DEPENDENCIES): New variable.
2913         (relro_now_test_LDFLAGS): New variable.
2914         (relro_now_test_LDADD): New variable.
2915         (relro_now_test.so): New target.
2916         * testsuite/Makefile.in: Rebuild.
2917
2918 2011-07-12  Ian Lance Taylor  <iant@google.com>
2919
2920         PR gold/12980
2921         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
2922         GLOB_DAT relocation rather than a RELATIVE relocation for a
2923         protected symbol when creating a shared library.
2924         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2925         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
2926         * testsuite/protected_main_1.cc (main): Test that protected
2927         function has same address.
2928
2929 2011-07-11  Ian Lance Taylor  <iant@google.com>
2930
2931         PR gold/12979
2932         * options.h (class General_options): Add -Bgroup.
2933         * options.cc (General_options::finalize): If -Bgroup is set,
2934         default to --unresolved-symbols=report-all.
2935         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
2936         * target-reloc.h (issue_undefined_symbol_error): Handle
2937         --unresolved-symbols=report-all.
2938
2939 2011-07-08  Ian Lance Taylor  <iant@google.com>
2940
2941         PR gold/11985
2942         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
2943         if linker script discards key sections.
2944         (Layout::create_dynamic_symtab): Likewise.
2945         (Layout::assign_local_dynsym_offsets): Likewise.
2946         (Layout::sized_create_version_sections): Likewise.
2947         (Layout::create_interp): Likewise.
2948         (Layout::finish_dynamic_section): Likewise.
2949         (Layout::set_dynamic_symbol_size): Likewise.
2950
2951 2011-07-08  Ian Lance Taylor  <iant@google.com>
2952
2953         PR gold/12386
2954         * options.h (class General_options): Add --unresolved-symbols.
2955         * target-reloc.h (issue_undefined_symbol_error): Check
2956         --unresolved-symbols.  Add comments.
2957
2958 2011-07-08  Ian Lance Taylor  <iant@google.com>
2959
2960         * testsuite/odr_violation2.cc (Ordering::operator()): Make
2961         expression more complex.
2962
2963 2011-07-08  Ian Lance Taylor  <iant@google.com>
2964
2965         PR gold/11317
2966         * target-reloc.h (issue_undefined_symbol_error): New inline
2967         function, broken out of relocate_section.
2968         (relocate_section): Call issue_undefined_symbol_error.
2969         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2970         there is no TLS segment if we are about to issue an undefined
2971         symbol error.
2972         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2973
2974 2011-07-08  Ian Lance Taylor  <iant@google.com>
2975
2976         PR gold/12279
2977         * resolve.cc (Symbol_table::should_override): Add fromtype
2978         parameter.  Change all callers.  Give error when linking together
2979         TLS and non-TLS symbol.
2980         (Symbol_table::should_override_with_special): Add fromtype
2981         parameter.  Change all callers.
2982         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2983         there is no TLS segment if we have reported some errors.
2984         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2985
2986 2011-07-08  Ian Lance Taylor  <iant@google.com>
2987
2988         PR gold/12372
2989         * target.h (Target::plt_address_for_global): New function.
2990         (Target::plt_address_for_local): New function.
2991         (Target::plt_section_for_global): Remove.
2992         (Target::plt_section_for_local): Remove.
2993         (Target::do_plt_address_for_global): New virtual function.
2994         (Target::do_plt_address_for_local): New virtual function.
2995         (Target::do_plt_section_for_global): Remove.
2996         (Target::do_plt_section_for_local): Remove.
2997         (Target::register_global_plt_entry): Add Symbol_table and Layout
2998         parameters.
2999         * output.cc (Output_data_got::Got_entry::write): Use
3000         plt_address_for_global and plt_address_for_local.
3001         * layout.cc (Layout::add_target_dynamic_tags): Use size and
3002         address of output section.
3003         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
3004         got_irelative_, and irelative_count_ fields.  Update
3005         declarations.
3006         (Output_data_plt_i386::has_irelative_section): New function.
3007         (Output_data_plt_i386::entry_count): Add irelative_count_.
3008         (Output_data_plt_i386::set_final_data_size): Likewise.
3009         (class Target_i386): Add got_irelative_ and rel_irelative_
3010         fields.  Update declarations.
3011         (Target_i386::Target_i386): Initialize new fields.
3012         (Target_i386::do_plt_address_for_global): New function replacing
3013         do_plt_section_for_global.
3014         (Target_i386::do_plt_address_for_local): New function replacing
3015         do_plt_section_for_local.
3016         (Target_i386::got_section): Create got_irelative_.
3017         (Target_i386::rel_irelative_section): New function.
3018         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
3019         fields.  Don't define __rel_iplt_{start,end}.
3020         (Output_data_plt_i386::add_entry): Add symtab and layout
3021         parameters.  Change all callers.  Use different PLT and GOT for
3022         IFUNC symbols.
3023         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
3024         layout parameters.  Change all callers.  Use different PLT and
3025         GOT.
3026         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
3027         (Output_data_plt_i386::rel_irelative): New function.
3028         (Output_data_plt_i386::address_for_global): New function.
3029         (Output_data_plt_i386::address_for_local): New function.
3030         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
3031         IRELATIVE GOT when changing IFUNC GOT entries.
3032         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
3033         reloc.
3034         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
3035         if we didn't create an IRELATIVE GOT.
3036         (Target_i386::Relocate::relocate): Use plt_address_for_global and
3037         plt_address_for_local.
3038         (Target_i386::do_dynsym_value): Use plt_address_for_global.
3039         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
3040         got_irelative_, and irelative_count_ fields.  Update
3041         declarations.
3042         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
3043         Initialize new fields.  Remove symtab parameter.  Change all
3044         callers.
3045         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
3046         irelative_count_.
3047         (Output_data_plt_x86_64::has_irelative_section): New function.
3048         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
3049         (class Target_x86_64): Add got_irelative_ and rel_irelative_
3050         fields.  Update declarations.
3051         (Target_x86_64::Target_x86_64): Initialize new fields.
3052         (Target_x86_64::do_plt_address_for_global): New function replacing
3053         do_plt_section_for_global.
3054         (Target_x86_64::do_plt_address_for_local): New function replacing
3055         do_plt_section_for_local.
3056         (Target_x86_64::got_section): Create got_irelative_.
3057         (Target_x86_64::rela_irelative_section): New function.
3058         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
3059         all callers.  Don't create __rel_iplt_{start,end}.
3060         (Output_data_plt_x86_64::add_entry): Add symtab and layout
3061         parameters.  Change all callers.  Use different PLT and GOT for
3062         IFUNC symbols.
3063         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
3064         layout parameters.  Change all callers.  Use different PLT and
3065         GOT.
3066         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
3067         parameters.  Change all callers.  Use different PLT and GOT for
3068         IFUNC symbols.
3069         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
3070         (Output_data_plt_x86_64::rela_irelative): New function.
3071         (Output_data_plt_x86_64::address_for_global): New function.
3072         (Output_data_plt_x86_64::address_for_local): New function.
3073         (Output_data_plt_x86_64::set_final_data_size): Likewise.
3074         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
3075         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
3076         (Target_x86_64::register_global_plt_entry): Add symtab and layout
3077         parameters.
3078         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
3079         reloc.
3080         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
3081         symbols if we didn't create an IRELATIVE GOT.
3082         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
3083         plt_address_for_local.
3084         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
3085         * testsuite/ifuncvar1.c: New test file.
3086         * testsuite/ifuncvar2.c: New test file.
3087         * testsuite/ifuncvar3.c: New test file.
3088         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
3089         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
3090         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
3091         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
3092         * testsuite/Makefile.in: Rebuild.
3093
3094 2011-07-07  Cary Coutant  <ccoutant@google.com>
3095
3096         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
3097         (two_file_test_1_ndebug.o): Likewise.
3098         (two_file_test_1b_ndebug.o): Likewise.
3099         (two_file_test_2_ndebug.o): Likewise.
3100         (two_file_test_main_ndebug.o): Likewise.
3101         (incremental_test_2): Link with no-debug versions.
3102
3103 2011-07-06  Cary Coutant  <ccoutant@google.com>
3104
3105         * gold/incremental.cc
3106         (Output_section_incremental_inputs::write_info_blocks): Check for
3107         hidden and internal symbols.
3108
3109 2011-07-06  Cary Coutant  <ccoutant@google.com>
3110
3111         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
3112         Check disposition for startup file.
3113         (Incremental_inputs::report_command_line): Ignore
3114         --incremental-startup-unchanged option.
3115         * options.cc (General_options::parse_incremental_startup_unchanged):
3116         New function.
3117         (General_options::General_options): Initialize new data member.
3118         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
3119         (General_options): Add --incremental-startup-unchanged option.
3120         (General_options::incremental_startup_disposition): New function.
3121         (General_options::incremental_startup_disposition_): New data member.
3122
3123 2011-07-06  Cary Coutant  <ccoutant@google.com>
3124
3125         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
3126         input file index to Script_info ctor.
3127         (Sized_incremental_binary::do_file_has_changed): Find the
3128         command-line argument for files named in scripts.
3129         * incremental.h (Script_info::Script_info): New ctor
3130         with input file index.
3131         (Script_info::input_file_index): New function.
3132         (Script_info::input_file_index_): New data member.
3133         (Incremental_binary::get_library): Add const.
3134         (Incremental_binary::get_script_info): Add const.
3135         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
3136         * testsuite/Makefile.am (incremental_test_5): New test case.
3137         (incremental_test_6): New test case.
3138         * testsuite/Makefile.in: Regenerate.
3139
3140 2011-07-06  Cary Coutant  <ccoutant@google.com>
3141
3142         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
3143         debug output when command lines differ.
3144
3145 2011-07-06  Cary Coutant  <ccoutant@google.com>
3146
3147         * incremental.cc (Incremental_inputs::report_command_line): Ignore
3148         --incremental-patch option.
3149         * layout.cc (Free_list::allocate): Extend allocation beyond original
3150         end if enabled.
3151         (Layout::make_output_section): Mark sections that should get
3152         patch space.
3153         * options.cc (parse_percent): New function.
3154         * options.h (parse_percent): New function.
3155         (DEFINE_percent): New macro.
3156         (General_options): Add --incremental-patch option.
3157         * output.cc (Output_section::Output_section): Initialize new data
3158         members.
3159         (Output_section::add_input_section): Print section name when out
3160         of patch space.
3161         (Output_section::add_output_section_data): Likewise.
3162         (Output_section::set_final_data_size): Add patch space when
3163         doing --incremental-full.
3164         (Output_section::do_reset_address_and_file_offset): Remove patch
3165         space.
3166         (Output_segment::set_section_list_addresses): Print debug output
3167         only if --incremental-update.
3168         * output.h (Output_section::set_is_patch_space_allowed): New function.
3169         (Output_section::is_patch_space_allowed_): New data member.
3170         (Output_section::patch_space_): New data member.
3171         * parameters.cc (Parameters::incremental_full): New function.
3172         * parameters.h (Parameters::incremental_full): New function
3173         * testsuite/Makefile.am (incremental_test_2): Add test for
3174         --incremental-patch option.
3175         * testsuite/Makefile.in: Regenerate.
3176         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
3177         (t18): Remove function body.
3178
3179 2011-07-05  Doug Kwan  <dougkwan@google.com>
3180
3181         PR gold/12771
3182         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
3183         Arm_Address type for relocation result.
3184         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
3185         overflow check.
3186         (Arm_relocate_functions::abs32): Use unaligned access.
3187         (Arm_relocate_functions::rel32): Ditto.
3188         (Arm_relocate_functions::prel31): Ditto.
3189         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
3190         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
3191         static data relocations.
3192         * testsuite/Makefile.in: Regnerate.
3193         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
3194
3195 2011-07-05  Ian Lance Taylor  <iant@google.com>
3196
3197         PR gold/12392
3198         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
3199         symbols if necessary.
3200         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3201
3202 2011-07-05  Ian Lance Taylor  <iant@google.com>
3203
3204         PR gold/12952
3205         * resolve.cc (Symbol::override_base_with_special): Simply override
3206         version with special symbol version, ignoring previous version.
3207
3208 2011-07-05  Ian Lance Taylor  <iant@google.com>
3209
3210         * object.cc (Sized_relobj_file::include_section_group): Add
3211         information to comment about signature location.
3212
3213 2011-07-02  Ian Lance Taylor  <iant@google.com>
3214
3215         PR gold/12957
3216         * options.h (class General_options): Add -f and -F.
3217         * options.cc (General_options::finalize): Fatal error if -f/-F
3218         are used without -shared.
3219         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
3220
3221 2011-07-02  Ian Lance Taylor  <iant@google.com>
3222
3223         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
3224
3225 2011-07-01  Ian Lance Taylor  <iant@google.com>
3226
3227         PR gold/12525
3228         PR gold/12952
3229         * resolve.cc (Symbol::override_base_with_special): Don't override
3230         the version if the overriding symbol has a different name.
3231         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
3232         all callers.  If we give an error about an undefined version,
3233         define the base version if necessary.
3234         * dynobj.h (class Versions): Update declaration.
3235         * testsuite/weak_alias_test_5.cc: New file.
3236         * testsuite/weak_alias_test.script: New file.
3237         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
3238         and versioned_alias have the right value, and call t2.
3239         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
3240         weak_alias_test_5.so.
3241         (weak_alias_test_LDADD): Likewise.
3242         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
3243         * testsuite/Makefile.in: Rebuild.
3244
3245 2011-07-01  Ian Lance Taylor  <iant@google.com>
3246
3247         PR gold/12525
3248         * options.h (class General_options): Support -z notext.
3249         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
3250         -Wl,-z,notext.
3251         (two_file_shared_nonpic.so): Likewise.
3252         (two_file_shared_mixed.so): Likewise.
3253         (two_file_shared_mixed_1.so): Likewise.
3254         (weak_undef_lib_nonpic.so): Likewise.
3255         (alt/weak_undef_lib_nonpic.so): Likewise.
3256         (tls_test_shared_nonpic.so): Likewise.
3257         * testsuite/Makefile.in: Rebuild.
3258
3259 2011-07-01  Ian Lance Taylor  <iant@google.com>
3260
3261         PR gold/12525
3262         * configure.ac: Test whether static linking works, setting
3263         the automake conditional HAVE_STATIC.
3264         * testsuite/Makefile.am: Disable tests using -static if
3265         HAVE_STATIC is not true.
3266         * configure, testsuite/Makefile.in: Rebuild.
3267
3268 2011-07-01  Ian Lance Taylor  <iant@google.com>
3269
3270         PR gold/12525
3271         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
3272         Assert if we see DW_EH_PE_indirect.
3273         * target.h (Target::ehframe_datarel_base): New function.
3274         (Target::do_ehframe_datarel_base): New target function.
3275         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
3276         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
3277         function.
3278
3279 2011-07-01  Ian Lance Taylor  <iant@google.com>
3280
3281         PR gold/12571
3282         * options.h (class General_options): Add
3283         --ld-generated-unwind-info.
3284         * ehframe.cc (Fde::write): Add address parameter.  Change all
3285         callers.  If associated with PLT, fill in address and size.
3286         (Cie::set_output_offset): Only add merge mapping if there is an
3287         object.
3288         (Cie::write): Add address parameter.  Change all callers.
3289         (Eh_frame::add_ehframe_for_plt): New function.
3290         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
3291         input_offset_ fields into union u_, with new plt field.
3292         (Fde::Fde): Adjust for new union field.
3293         (Fde::Fde) [Output_data version]: New constructor.
3294         (Fde::add_mapping): Only add merge mapping if there is an object.
3295         (class Cie): Update declarations.
3296         (class Eh_frame): Declare add_ehframe_for_plt.
3297         * layout.cc (Layout::layout_eh_frame): Break out code into
3298         make_eh_frame_section, and call it.
3299         (Layout::make_eh_frame_section): New function.
3300         (Layout::add_eh_frame_for_plt): New function.
3301         * layout.h (class Layout): Update declarations.
3302         * merge.cc (Merge_map::add_mapping): Add assertion.
3303         * i386.cc: Include "dwarf.h".
3304         (class Output_data_plt_i386): Make first_plt_entry,
3305         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
3306         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
3307         and plt_eh_frame_fde.
3308         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
3309         boundary.  Call add_eh_frame_for_plt if appropriate.
3310         * x86_64.cc: Include "dwarf.h".
3311         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
3312         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
3313         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
3314         and plt_eh_frame_fde.
3315         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
3316         appropriate.
3317
3318 2011-06-29  Ian Lance Taylor  <iant@google.com>
3319
3320         PR gold/12629
3321         * object.cc (Sized_relobj_file::layout_section): Change shdr
3322         parameter to be const.
3323         (Sized_relobj_file::layout_eh_frame_section): New function, broken
3324         out of do_layout.
3325         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
3326         appropriate.  Call layout_eh_frame_section.
3327         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
3328         sections.
3329         * object.h (class Sized_relobj_file): Update declarations.
3330
3331 2011-06-29  Ian Lance Taylor  <iant@google.com>
3332
3333         PR gold/12652
3334         * script.cc (Token::integer_value): Accept trailing M/m/K/k
3335         modifier.
3336         (Lex::gather_token): Accept trailing M/m/K/k for integers.
3337
3338 2011-06-29  Ian Lance Taylor  <iant@google.com>
3339
3340         PR gold/12675
3341         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
3342         SHT_X86_64_UNWIND.
3343         * layout.cc (Layout::layout_eh_frame): Likewise.
3344
3345 2011-06-29  Ian Lance Taylor  <iant@google.com>
3346
3347         PR gold/12695
3348         * layout.cc (Layout::symtab_section_shndx): New function.
3349         * layout.h (class Layout): Declare symtab_section_shndx.
3350         * output.cc (Output_section::write_header): Call it.
3351
3352 2011-06-29  Ian Lance Taylor  <iant@google.com>
3353
3354         PR gold/12818
3355         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
3356         symbols which are not used in a relocation.
3357
3358 2011-06-28  Ian Lance Taylor  <iant@google.com>
3359
3360         PR gold/12898
3361         * layout.cc (Layout::segment_precedes): Don't crash if a linker
3362         script create indistinguishable segments.
3363         (Layout::set_segment_offsets): Use stable_sort when sorting
3364         segments.  Pass this to Compare_segments constructor.
3365         * layout.h (class Layout): Make segment_precedes non-static.
3366         (class Compare_segments): Change from struct to class.  Add
3367         layout_ field.  Add constructor.
3368         * script-sections.cc
3369         (Script_sections::attach_sections_using_phdrs_clause): Rename
3370         local orphan to is_orphan.  Don't report failure to put empty
3371         section in segment.  On attachment failure, report name of
3372         section, and attach to first PT_LOAD segment.
3373
3374 2011-06-28  Ian Lance Taylor  <iant@google.com>
3375
3376         PR gold/12934
3377         * target-select.cc (Target_selector::Target_selector): Add
3378         emulation parameter.  Change all callers.
3379         (select_target_by_bfd_name): Rename from select_target_by_name.
3380         Change all callers.
3381         (select_target_by_emulation): New function.
3382         (supported_emulation_names): New function.
3383         * target-select.h (class Target_selector): Add emulation_ field.
3384         Update declarations.
3385         (Target_selector::recognize_by_bfd_name): Rename from
3386         recognize_by_name.  Change all callers.
3387         (Target_selector::supported_bfd_names): Rename from
3388         supported_names.  Change all callers.
3389         (Target_selector::recognize_by_emulation): New function.
3390         (Target_selector::supported_emulations): New function.
3391         (Target_selector::emulation): New function.
3392         (Target_selector::do_recognize_by_bfd_name): Rename from
3393         do_recognize_by_name.  Change all callers.
3394         (Target_selector::do_supported_bfd_names): Rename from
3395         do_supported_names.  Change all callers.
3396         (Target_selector::do_recognize_by_emulation): New function.
3397         (Target_selector::do_supported_emulations): New function.
3398         (select_target_by_bfd_name): Change name in declaration.
3399         (select_target_by_emulation): Declare.
3400         (supported_emulation_names): Declare.
3401         * parameters.cc (parameters_force_valid_target): Try to find
3402         target based on emulation from -m option.
3403         * options.h (class General_options): Change doc string for -m.
3404         * options.cc (help): Print emulations.
3405         (General_options::parse_V): Likewise.
3406         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
3407         Add emulation parameter.  Change all callers.
3408
3409 2011-06-28  Ian Lance Taylor  <iant@google.com>
3410
3411         * target.h (class Target): Add osabi_ field.
3412         (Target::osabi): New function.
3413         (Target::set_osabi): New function.
3414         (Target::Target): Initialize osabi_.
3415         (Target::do_adjust_elf_header): Make pure virtual.
3416         (Sized_target::do_adjust_elf_header): Declare.
3417         * target.cc (Sized_target::do_adjust_elf_header): New function.
3418         (class Sized_target): Instantiate all versions.
3419         * freebsd.h (class Target_freebsd): Remove.
3420         (Target_selector_freebsd::do_recognize): Call set_osabi on
3421         Target.
3422         (Target_selector_freebsd::do_recognize_by_name): Likewise.
3423         (Target_selector_freebsd::set_osabi): Remove.
3424         * i386.cc (class Target_i386): Inherit from Sized_target rather
3425         than Target_freebsd.
3426         * x86_64.cc (class Target_x86_64): Likewise.
3427
3428 2011-06-28  Ian Lance Taylor  <iant@google.com>
3429
3430         * target.h (Target::can_check_for_function_pointers): Rewrite.
3431         Make non-virtual.
3432         (Target::can_icf_inline_merge_sections): Likewise.
3433         (Target::section_may_have_icf_unsafe_poineters): Likewise.
3434         (Target::Target_info): Add can_icf_inline_merge_sections field.
3435         (Target::do_can_check_for_function_pointers): New virtual
3436         function.
3437         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
3438         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
3439         from can_check_for_function_pointers, move in file.
3440         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
3441         section_may_have_icf_unsafe_poineters, move in file.
3442         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
3443         * i386.cc (Target_i386::do_can_check_for_function_pointers):
3444         Rename from can_check_for_function_pointers, move in file.
3445         (Target_i386::can_icf_inline_merge_sections): Remove.
3446         (Target_i386::i386_info): Initialize
3447         can_icf_inline_merge_sections.
3448         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3449         Initialize can_icf_inline_merge_sections.
3450         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
3451         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
3452         Rename from can_check_for_function_pointers, move in file.
3453         (Target_x86_64::can_icf_inline_merge_sections): Remove.
3454         (Target_x86_64::x86_64_info): Initialize
3455         can_icf_inline_merge_sections.
3456         * testsuite/testfile.cc (Target_test::test_target_info):
3457         Likewise.
3458         * icf.cc (get_section_contents): Correct formatting.
3459
3460 2011-06-27  Ian Lance Taylor  <iant@google.com>
3461
3462         * symtab.cc (Symbol::versioned_name): New function.
3463         (Symbol_table::add_to_final_symtab): Use versioned_name when
3464         appropriate.
3465         (Symbol_table::sized_write_symbol): Likewise.
3466         * symtab.h (class Symbol): Declare versioned_name.
3467         * stringpool.h (class Stringpool_template): Add variant of add
3468         which takes a std::basic_string.
3469         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
3470         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
3471         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
3472         (ver_test_12.o): New target.
3473         * testsuite/Makefile.in: Rebuild.
3474
3475 2011-06-27  Doug Kwan  <dougkwan@google.com>
3476
3477         * arm.cc (Arm_relocate_functions::thm_jump8,
3478         Arm_relocate_functions::thm_jump11): Use a wider signed
3479         type to compute offset.
3480         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
3481         arm_thm_jump8.
3482         * testsuite/Makefile.in: Regenerate.
3483         * testsuite/arm_branch_in_range.sh: Check test results of
3484         arm_thm_jump11 and arm_thm_jump8.
3485         * testsuite/arm_thm_jump11.s: New test source file.
3486         * testsuite/arm_thm_jump11.t: New linker script.
3487         * testsuite/arm_thm_jump8.s: New test source file.
3488         * testsuite/arm_thm_jump8.t: New linker script.
3489
3490 2011-06-24  Ian Lance Taylor  <iant@google.com>
3491
3492         * layout.cc: Include "object.h".
3493         (ctors_sections_in_init_array): New static variable.
3494         (Layout::is_ctors_in_init_array): New function.
3495         (Layout::layout): Add entry to ctors_sections_in_init_array if
3496         appropriate.
3497         * layout.h (class Layout): Declare is_ctors_in_init_array.
3498         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
3499         is_ctors_reverse_view is set.
3500         (Sized_relobj_file::write_sections): Add layout parameter.  Change
3501         all callers.  Set is_ctors_reverse_view field of View_size.
3502         (Sized_relobj_file::reverse_words): New function.
3503         * object.h (Sized_relobj_file::View_size): Add
3504         is_ctors_reverse_view field.
3505         (class Sized_relobj_file): Update declarations.
3506         * testsuite/initpri3.c: New test.
3507         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
3508         initpri3b.
3509         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
3510         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
3511         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
3512         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
3513         * testsuite/Makefile.in: Rebuild.
3514
3515 2011-06-24  Cary Coutant  <ccoutant@google.com>
3516
3517         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
3518         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
3519         (debug_msg_cdebug.err): New targets.
3520         * testsuite/Makefile.in: Regenerate.
3521         * testsuite/debug_msg.sh: Check output of link with compressed debug.
3522         Fix checks for link with shared library.
3523
3524 2011-06-24  Doug Kwan  <dougkwan@google.com>
3525
3526         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
3527         skip empty text sections.
3528         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
3529
3530 2011-06-22  Ian Lance Taylor  <iant@google.com>
3531
3532         PR gold/12910
3533         * options.h (class General_options): Add --ctors-in-init-array.
3534         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
3535         friends as SHT_PROGBITS for merging sections.
3536         (Layout::layout): Remove special handling of .init_array and
3537         friends.  Don't sort if doing relocatable link.  Sort for .ctors
3538         and .dtors if ctors_in_init_array.
3539         (Layout::make_output_section): Force correct section types for
3540         .init_array and friends.  Don't sort if doing relocatable link,
3541         Don't sort .ctors and .dtors if ctors_in_init_array.
3542         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
3543         (Layout::output_section_name): Add relobj parameter.  Change all
3544         callers.  Handle .ctors. and .dtors. in code rather than table.
3545         Handle .ctors and .dtors if ctors_in_init_array.
3546         (Layout::match_file_name): New function, moved from output.cc.
3547         * layout.h (class Layout): Update declarations.
3548         * output.cc: Include "layout.h".
3549         (Input_section_sort_entry::get_priority): New function.
3550         (Input_section_sort_entry::match_file_name): Just call
3551         Layout::match_file_name.
3552         (Output_section::Input_section_sort_init_fini_compare::operator()):
3553         Handle .ctors and .dtors.  Sort by explicit priority rather than
3554         by name.
3555         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
3556         * testsuite/initpri2.c: New test.
3557         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
3558         (check_PROGRAMS): Add initpri2.
3559         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
3560         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
3561         * configure, testsuite/Makefile.in: Rebuild.
3562
3563 2011-06-19  Ian Lance Taylor  <iant@google.com>
3564
3565         PR gold/12880
3566         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
3567         .interp section to a PT_INTERP segment even if we have seen a
3568         --dynamic-linker option.  Don't do it if we have seen a PHDRS
3569         clause in a linker script.
3570         (Layout::finalize): Don't create a .interp section if we've
3571         already create a PT_INTERP segment.
3572         (Layout::create_interp): Always call choose_output_section (revert
3573         patch of 2011-06-17).  Don't create PT_INTERP segment.
3574         * script-sections.cc
3575         (Script_sections::create_note_and_tls_segments): Add a .interp
3576         section to a PT_INTERP segment even if we have seen a
3577         --dynamic-linker option.
3578
3579 2011-06-18  Ian Lance Taylor  <iant@google.com>
3580
3581         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
3582         merely because a non-PT_LOAD segment has a dynamic reloc.
3583
3584 2011-06-18  Ian Lance Taylor  <iant@google.com>
3585
3586         * layout.cc (Layout::finish_dynamic_section): Don't create
3587         DT_FLAGS entry if not needed.
3588
3589 2011-06-18  Ian Lance Taylor  <iant@google.com>
3590
3591         PR gold/12745
3592         * layout.cc (Layout::layout_eh_frame): Correct handling of
3593         writable .eh_frame section.
3594
3595 2011-06-17  Ian Lance Taylor  <iant@google.com>
3596
3597         PR gold/12893
3598         * resolve.cc (Symbol_table::resolve): Don't give an error if a
3599         symbol is redefined with the exact same object and value.
3600
3601 2011-06-17  Ian Lance Taylor  <iant@google.com>
3602
3603         PR gold/12880
3604         * layout.h (class Layout): Add interp_segment_ field.
3605         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
3606         (Layout::attach_allocated_section_to_segment): If making shared
3607         library, put .interp section in PT_INTERP segment.
3608         (Layout::finalize): Also call create_interp if -dynamic-linker
3609         option was used.
3610         (Layout::create_interp): Assert that there is no PT_INTERP
3611         segment.  If not using a SECTIONS clause, use make_output_section.
3612         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
3613         * script-sections.cc
3614         (Script_sections::create_note_and_tls_segments): If making shared
3615         library, put .interp section in PT_INTERP segment.
3616
3617 2011-06-17  Ian Lance Taylor  <iant@google.com>
3618
3619         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
3620         when making a shared library.
3621
3622 2011-06-17  Ian Lance Taylor  <iant@google.com>
3623
3624         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
3625         parameter.  Change all callers.  Don't issue warning about PC32
3626         against locally defined symbol.
3627
3628 2011-06-16  Ian Lance Taylor  <iant@google.com>
3629
3630         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
3631         occurs in same object.
3632
3633 2011-06-14  Alan Modra  <amodra@gmail.com>
3634
3635         * po/POTFILES.in: Regenerate.
3636
3637 2011-06-09  Ian Lance Taylor  <iant@google.com>
3638
3639         * script-sections.cc
3640         (Orphan_output_section::set_section_addresses): For a relocatable
3641         link set address to 0.
3642
3643 2011-06-09  Cary Coutant  <ccoutant@google.com>
3644
3645         PR gold/12804
3646         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
3647         used with --compress-debug-sections.
3648         * gold/object.cc (Sized_relobj_file::do_layout): Report
3649         uncompressed size of compressed input sections.
3650
3651 2011-06-08  Cary Coutant  <ccoutant@google.com>
3652
3653         PR gold/12804
3654         * testsuite/two_file_test_2_v1.cc: Change initialization of
3655         v2 to keep it in .data.
3656
3657 2011-06-07  Cary Coutant  <ccoutant@google.com>
3658
3659         * common.cc (Symbol_table::do_allocate_commons_list): Call
3660         gold_fallback.
3661         * errors.cc (Errors::fatal): Adjust call to gold_exit.
3662         (Errors::fallback): New function.
3663         (gold_fallback): New function.
3664         * errors.h (Errors::fallback): New function.
3665         * gold.cc (gold_exit): Change status parameter to enum; adjust
3666         all callers.
3667         (queue_initial_tasks): Call gold_fallback.
3668         * gold.h: Include cstdlib.
3669         (Exit_status): New enum type.
3670         (gold_exit): Change status parameter to enum.
3671         (gold_fallback): New function.
3672         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
3673         (Layout::create_symtab_sections): Likewise.
3674         (Layout::create_shdrs): Likewise.
3675         * main.cc (main): Adjust call to gold_exit.
3676         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
3677         (Output_data_got::add_got_entry_pair): Likewise.
3678         (Output_section::add_input_section): Likewise.
3679         (Output_section::add_output_section_data): Likewise.
3680         (Output_segment::set_section_list_addresses): Likewise.
3681         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
3682
3683 2011-06-07  Cary Coutant  <ccoutant@google.com>
3684
3685         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
3686         for incremental links.
3687         * output.cc (Output_segment::set_section_list_addresses): Remove
3688         FIXME and test for TLS or BSS.
3689
3690 2011-06-07  Cary Coutant  <ccoutant@google.com>
3691
3692         * testsuite/Makefile.am: Add incremental_copy_test,
3693         incremental_common_test_1.
3694         * testsuite/Makefile.in: Regenerate.
3695         * testsuite/common_test_1_v1.c: New source file.
3696         * testsuite/common_test_1_v2.c: New source file.
3697         * testsuite/copy_test_v1.cc: New source file.
3698
3699 2011-06-07  Cary Coutant  <ccoutant@google.com>
3700
3701         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
3702         update, allocate common from bss section's free list.
3703         * incremental-dump.cc (dump_incremental_inputs): Print flag for
3704         linker-defined symbols.
3705         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3706         Skip GOT and PLT entries that are no longer referenced.
3707         (Output_section_incremental_inputs::write_info_blocks): Mark
3708         linker-defined symbols.
3709         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
3710         * output.cc (Output_section::allocate): New function.
3711         * output.h (Output_section::allocate): New function.
3712         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
3713         linker-defined symbols.
3714         (Symbol::override_base_with_special): Copy is_predefined_ flag.
3715         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
3716         (Symbol::init_base_output_data): Likewise.
3717         (Symbol::init_base_output_segment): Likewise.
3718         (Symbol::init_base_constant): Likewise.
3719         (Sized_symbol::init_output_data): Likewise.
3720         (Sized_symbol::init_output_segment): Likewise.
3721         (Sized_symbol::init_constant): Likewise.
3722         (Symbol_table::do_define_in_output_data): Likewise.
3723         (Symbol_table::do_define_in_output_segment): Likewise.
3724         (Symbol_table::do_define_as_constant): Likewise.
3725         * symtab.h (Symbol::is_predefined): New function.
3726         (Symbol::init_base_output_data): Add is_predefined parameter.
3727         (Symbol::init_base_output_segment): Likewise.
3728         (Symbol::init_base_constant): Likewise.
3729         (Symbol::is_predefined_): New data member.
3730         (Sized_symbol::init_output_data): Add is_predefined parameter.
3731         (Sized_symbol::init_output_segment): Likewise.
3732         (Sized_symbol::init_constant): Likewise.
3733         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
3734
3735 2011-06-07  Cary Coutant  <ccoutant@google.com>
3736
3737         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
3738         instead of emit_copy_reloc.
3739         (Copy_relocs::emit_copy_reloc): Refactor.
3740         (Copy_relocs::make_copy_reloc): New function.
3741         (Copy_relocs::add_copy_reloc): Remove.
3742         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
3743         section.
3744         (Copy_relocs::make_copy_reloc): New function.
3745         (Copy_relocs::add_copy_reloc): Remove.
3746         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
3747         unchanged input files.
3748         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
3749         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
3750         Reserve BSS space for COPY relocations.
3751         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3752         (Output_section_incremental_inputs::write_info_blocks): Record
3753         whether a symbol is copied from a shared object.
3754         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
3755         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
3756         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
3757         (Incremental_input_entry_reader::get_output_symbol_index): Add
3758         is_copy parameter.
3759         (Incremental_binary::emit_copy_relocs): New function.
3760         (Incremental_binary::do_emit_copy_relocs): New function.
3761         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3762         new data member.
3763         (Sized_incremental_binary::add_copy_reloc): New function.
3764         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3765         (Sized_incremental_binary::Copy_reloc): New struct.
3766         (Sized_incremental_binary::Copy_relocs): New typedef.
3767         (Sized_incremental_binary::copy_relocs_): New data member.
3768         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
3769         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
3770         * target.h (Sized_target::emit_copy_reloc): New function.
3771         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3772
3773 2011-06-02  Cary Coutant  <ccoutant@google.com>
3774
3775         PR gold/12163
3776         * gold/archive.cc (Archive::Archive): Initialize new data member.
3777         (Archive::include_all_members): Return if archive has already been
3778         included.
3779         * gold/archive.h (Archive::include_all_members_): New data member.
3780
3781 2011-06-02  Nick Clifton  <nickc@redhat.com>
3782
3783         * dynobj.h: Fix spelling mistake in comment.
3784         * output.cc: Likewise.
3785
3786 2011-05-31  Doug Kwan  <dougkwan@google.com>
3787             Asier Llano
3788
3789         PR gold/12826
3790         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3791         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3792         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3793         redundant arm_exidx_test.so.
3794         * testsuite/Makefile.in: Regenerate.
3795         (check_SCRIPTS): Add pr12826.sh
3796         (check_DATA): Add pr12826.stdout
3797         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3798         * testsuite/pr12826.sh: New file.
3799         * testsuite/pr12826_1.s: Ditto.
3800         * testsuite/pr12826_1.s: Ditto.
3801
3802 2011-05-30  Ian Lance Taylor  <iant@google.com>
3803
3804         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3805         sections.
3806
3807 2011-05-29  Ian Lance Taylor  <iant@google.com>
3808
3809         PR gold/12804
3810         * testsuite/Makefile.am: Use different file name for two_file_test
3811         temporary file for each incremental test.
3812         * testsuite/Makefile.in: Rebuild.
3813
3814 2011-05-29  Ian Lance Taylor  <iant@google.com>
3815
3816         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3817         binary input file is empty.
3818
3819 2011-05-27  Ian Lance Taylor  <iant@google.com>
3820
3821         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3822         (ver_test_9.so): Likewise.
3823         * testsuite/Makefile.in: Rebuild.
3824
3825 2011-05-26 Cary Coutant  <ccoutant@google.com>
3826
3827         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3828         * incremental.cc (Incremental_inputs::report_input_section): Fix
3829         comment, indentation.
3830         (Incremental_inputs::report_comdat_group): New function.
3831         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3832         of data for incremental input file entry.
3833         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3834         group count, COMDAT group signatures.
3835         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3836         an unchanged input file.
3837         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3838         Initialize new data member.
3839         (Incremental_object_entry::add_comdat_group): New function.
3840         (Incremental_object_entry::get_comdat_group_count): New function.
3841         (Incremental_object_entry::get_comdat_signature_key): New function.
3842         (Incremental_object_entry::groups_): New data member.
3843         (Incremental_inputs::report_comdat_group): New function.
3844         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3845         data for incremental input file entry.
3846         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3847         (Incremental_input_entry_reader::get_input_section): Adjust size of
3848         data for incremental input file entry.
3849         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3850         (Incremental_input_entry_reader::get_comdat_group_signature): New
3851         function.
3852         * object.cc (Sized_relobj::include_section_group): Report kept
3853         COMDAT groups for incremental links.
3854
3855 2011-05-24  David Meyer  <pdox@google.com>
3856
3857         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3858         with name parameter.  Add found_name parameter.
3859         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3860         * dirsearch.h (class Dirsearch): Update declaration.
3861
3862 2011-05-24  Ian Lance Taylor  <iant@google.com>
3863
3864         * archive.cc (Library_base::should_include_member): Pull in object
3865         from archive if it defines the entry symbol.
3866         * parameters.cc (Parameters::entry): New function.
3867         * parameters.h (class Parameters): Declare entry.
3868         * output.h (class Output_file_header): Remove entry_ field.
3869         * output.cc (Output_file_header::Output_file_header): Remove entry
3870         parameter.  Change all callers.
3871         (Output_file_header::entry): Use parameters->entry.
3872         * gold.cc (queue_middle_tasks): Likewise.
3873         * plugin.cc (Plugin_hook::run): Likewise.
3874
3875 2011-05-24 Cary Coutant  <ccoutant@google.com>
3876
3877         * gold.cc (queue_initial_tasks): Pass incremental base filename
3878         to Output_file::open_base_file; don't print error message.
3879         * incremental-dump.cc (main): Adjust call to
3880         Output_file::open_for_modification.
3881         * incremental-dump.cc (main): Likewise.
3882         * incremental.cc (Incremental_inputs::report_command_line):
3883         Ignore --incremental-base option when comparing command lines.
3884         Ignore parameter when given as separate argument.
3885         * options.h (class General_options): Add --incremental-base.
3886         * output.cc (Output_file::Output_file):
3887         (Output_file::open_base_file): Add base_name and writable parameters;
3888         read base file into new file; print error message here.
3889         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3890         callers.
3891         * output.h (Output_file::open_for_modification): Rename to...
3892         (Output_file::open_base_file): ...this; add base_name and
3893         writable parameters; adjust all callers.
3894         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3895         callers.
3896         * testsuite/Makefile.am (incremental_test_4): Test
3897         --incremental-base.
3898         * testsuite/Makefile.in: Regenerate.
3899
3900 2011-05-24 Cary Coutant  <ccoutant@google.com>
3901
3902         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3903         incremental_test_4.
3904         * testsuite/Makefile.in: Regenerate.
3905         * testsuite/two_file_test_1_v1.cc: New test source file.
3906         * testsuite/two_file_test_1b_v1.cc: New test source file.
3907         * testsuite/two_file_test_2_v1.cc: New test source file.
3908
3909 2011-05-24 Cary Coutant  <ccoutant@google.com>
3910
3911         * dynobj.h (Dynobj::do_dynobj): New function.
3912         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
3913         flag and soname for shared objects.
3914         * incremental.cc (Incremental_inputs::report_object): Make
3915         either Incremental_object_entry or Incremental_dynobj_entry; add
3916         soname to string table.
3917         (Incremental_inputs::report_input_section): Add assertion.
3918         (Output_section_incremental_inputs::set_final_data_size): Adjust
3919         type of input file entry for shared libraries; adjust size of
3920         shared library info entry.
3921         (Output_section_incremental_inputs::write_input_files): Write
3922         as_needed flag for shared libraries.
3923         (Output_section_incremental_inputs::write_info_blocks): Adjust type
3924         of input file entry for shared libraries; write soname.
3925         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
3926         soname from incremental info.
3927         * incremental.h (enum Incremental_input_flags): Add
3928         INCREMENTAL_INPUT_AS_NEEDED.
3929         (Incremental_input_entry::Incremental_input_entry): Initialize new
3930         data member.
3931         (Incremental_input_entry::set_as_needed): New function.
3932         (Incremental_input_entry::as_needed): New function.
3933         (Incremental_input_entry::do_dynobj_entry): New function.
3934         (Incremental_input_entry::as_needed_): New data member.
3935         (Incremental_object_entry::Incremental_object_entry): Don't check
3936         for shared library.
3937         (Incremental_object_entry::do_type): Likewise.
3938         (class Incremental_dynobj_entry): New class.
3939         (Incremental_input_entry_reader::as_needed): New function.
3940         (Incremental_input_entry_reader::get_soname): New function.
3941         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
3942         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
3943         size of shared library info entry.
3944         * layout.cc (Layout::finish_dynamic_section): Don't test for
3945         incremental link when adding DT_NEEDED entries.
3946         * object.h (Object::Object): Initialize new data member.
3947         (Object::dynobj): New function.
3948         (Object::set_as_needed): New function.
3949         (Object::as_needed): New function.
3950         (Object::do_dynobj): New function.
3951         (Object::as_needed_): New data member.
3952
3953 2011-05-24 Cary Coutant  <ccoutant@google.com>
3954
3955         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
3956         info; adjust display of GOT entries.
3957         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3958         vector of input objects; remove file_status_.
3959         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
3960         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
3961         got_plt reader; call target hooks to reserve GOT entries.
3962         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3963         of input file info header and GOT info entry.
3964         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
3965         relocation info.
3966         (Got_plt_view_info::got_descriptor): Remove.
3967         (Got_plt_view_info::sym_index): New data member.
3968         (Got_plt_view_info::input_index): New data member.
3969         (Local_got_offset_visitor::visit): Write input file index.
3970         (Global_got_offset_visitor::visit): Write 0 for input file index.
3971         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3972         with sym_index and input_index.
3973         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3974         incremental info GOT entry; replace got_descriptor with input_index.
3975         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3976         map from input file index to object.
3977         (Sized_relobj_incr::do_layout): Replace direct data member reference
3978         with accessor function.
3979         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3980         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3981         Adjust size of input file info header.
3982         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3983         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3984         (Incremental_input_entry_reader::get_input_section): Adjust size of
3985         input file info header.
3986         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3987         of incremental info GOT entry.
3988         (Incremental_got_plt_reader::get_got_desc): Remove.
3989         (Incremental_got_plt_reader::get_got_symndx): New function.
3990         (Incremental_got_plt_reader::get_got_input_index): New function.
3991         (Sized_incremental_binary::Sized_incremental_binary): Remove
3992         file_status_; add input_objects_.
3993         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3994         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3995         (Sized_incremental_binary::file_is_unchanged): Remove.
3996         (Sized_incremental_binary::set_input_object): New function.
3997         (Sized_incremental_binary::input_object): New function.
3998         (Sized_incremental_binary::file_status_): Remove.
3999         (Sized_incremental_binary::input_objects_): New data member.
4000         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
4001         references.
4002         (Sized_relobj_incr::invalid_address): Move to base class.
4003         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
4004         class.
4005         (Sized_relobj_incr::do_output_section_offset): Likewise.
4006         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
4007         (Sized_relobj_incr::section_offsets_): Likewise.
4008         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
4009         function.
4010         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
4011         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
4012         with accessor function.
4013         (Sized_relobj_file::do_layout): Likewise.
4014         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
4015         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
4016         (Sized_relobj_file::compute_final_local_value): Replace refs to
4017         section_offsets_ with accessor function.
4018         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
4019         * object.h (Relobj::Relobj): Initialize new data members.
4020         (Relobj::add_dyn_reloc): New function.
4021         (Relobj::first_dyn_reloc): New function.
4022         (Relobj::dyn_reloc_count): New function.
4023         (Relobj::first_dyn_reloc_): New data member.
4024         (Relobj::dyn_reloc_count_): New data member.
4025         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
4026         references.
4027         (Sized_relobj::Address): New typedef.
4028         (Sized_relobj::invalid_address): Move here from child class.
4029         (Sized_relobj::Sized_relobj): Initialize new data members.
4030         (Sized_relobj::sized_relobj): New function.
4031         (Sized_relobj::is_output_section_offset_invalid): Move here from
4032         child class.
4033         (Sized_relobj::get_output_section_offset): Likewise.
4034         (Sized_relobj::local_has_got_offset): Likewise.
4035         (Sized_relobj::local_got_offset): Likewise.
4036         (Sized_relobj::set_local_got_offset): Likewise.
4037         (Sized_relobj::do_for_all_local_got_entries): Likewise.
4038         (Sized_relobj::clear_got_offsets): New function.
4039         (Sized_relobj::section_offsets): Move here from child class.
4040         (Sized_relobj::do_output_section_offset): Likewise.
4041         (Sized_relobj::do_set_section_offset): Likewise.
4042         (Sized_relobj::Local_got_offsets): Likewise.
4043         (Sized_relobj::local_got_offsets_): Likewise.
4044         (Sized_relobj::section_offsets_): Likewise.
4045         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
4046         references.
4047         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
4048         class.
4049         (Sized_relobj_file::sized_relobj): New function
4050         (Sized_relobj_file::local_has_got_offset): Move to base class.
4051         (Sized_relobj_file::local_got_offset): Likewise.
4052         (Sized_relobj_file::set_local_got_offset): Likewise.
4053         (Sized_relobj_file::get_output_section_offset): Likewise.
4054         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
4055         (Sized_relobj_file::do_output_section_offset): Likewise.
4056         (Sized_relobj_file::do_set_section_offset): Likewise.
4057         (Sized_relobj_file::Local_got_offsets): Likewise.
4058         (Sized_relobj_file::local_got_offsets_): Likewise.
4059         (Sized_relobj_file::section_offsets_): Likewise.
4060         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
4061         (all constructors).
4062         (set_needs_dynsym_index): Convert relobj to derived class pointer.
4063         (Output_reloc::get_symbol_index): Likewise.
4064         (Output_reloc::local_section_offset): Likewise.
4065         (Output_reloc::get_address): Likewise.
4066         (Output_reloc::symbol_value): Likewise.
4067         (Output_data_got::reserve_slot): Move to class definition.
4068         (Output_data_got::reserve_local): New function.
4069         (Output_data_got::reserve_slot_for_global): Remove.
4070         (Output_data_got::reserve_global): New function.
4071         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
4072         (all constructors, two instantiations).
4073         (Output_reloc::get_relobj): New function (two instantiations).
4074         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
4075         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
4076         (Output_data_reloc::add_global): Adjust type of relobj.
4077         (Output_data_reloc::add_global_relative): Likewise.
4078         (Output_data_reloc::add_symbolless_global_addend): Likewise.
4079         (Output_data_reloc::add_local): Likewise.
4080         (Output_data_reloc::add_local_relative): Likewise.
4081         (Output_data_reloc::add_symbolless_local_addend): Likewise.
4082         (Output_data_reloc::add_local_section): Likewise.
4083         (Output_data_reloc::add_output_section): Likewise.
4084         (Output_data_reloc::add_absolute): Likewise.
4085         (Output_data_reloc::add_target_specific): Likewise.
4086         (Output_data_got::reserve_slot): Move definition here.
4087         (Output_data_got::reserve_local): New function.
4088         (Output_data_got::reserve_global): New function.
4089         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
4090         section_offsets_ with accessor function.
4091         (Sized_relobj_file::write_sections): Likewise.
4092         (Sized_relobj_file::do_relocate_sections): Likewise.
4093         * target.h (Sized_target::reserve_local_got_entry): New function.
4094         (Sized_target::reserve_global_got_entry): New function.
4095         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
4096         (Target_x86_64::reserve_global_got_entry): New function.
4097         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
4098
4099 2011-05-23 Cary Coutant  <ccoutant@google.com>
4100
4101         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
4102         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
4103         bit when checking got_type.
4104         * incremental.cc (Sized_incremental_binary::setup_readers):
4105         Store symbol table and string table locations; initialize bit vector
4106         of file status flags.
4107         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
4108         unchanged files.
4109         (Sized_incremental_binary::do_process_got_plt): New function.
4110         (Sized_incremental_binary::get_symtab_view): Use stored locations.
4111         (Output_section_incremental_inputs::set_final_data_size): Record
4112         file index for each input file.
4113         (Output_section_incremental_inputs::write_got_plt): Store file index
4114         instead of input entry offset for each GOT entry.
4115         * incremental.h
4116         (Incremental_input_entry::Incremental_input_entry): Initialize new
4117         data member.
4118         (Incremental_input_entry::set_offset): Store file index.
4119         (Incremental_input_entry::get_file_index): New function.
4120         (Incremental_input_entry::file_index_): New data member.
4121         (Incremental_binary::process_got_plt): New function.
4122         (Incremental_binary::do_process_got_plt): New function.
4123         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
4124         data members.
4125         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
4126         (Sized_incremental_binary::set_file_is_unchanged): New function.
4127         (Sized_incremental_binary::file_is_unchanged): New function.
4128         (Sized_incremental_binary::do_process_got_plt): New function.
4129         (Sized_incremental_binary::file_status_): New data member.
4130         (Sized_incremental_binary::main_symtab_loc_): New data member.
4131         (Sized_incremental_binary::main_strtab_loc_): New data member.
4132         * output.cc (Output_data_got::Got_entry::write): Add case
4133         RESERVED_CODE.
4134         (Output_data_got::add_global): Call add_got_entry.
4135         (Output_data_got::add_global_plt): Likewise.
4136         (Output_data_got::add_global_with_rel): Likewise.
4137         (Output_data_got::add_global_with_rela): Likewise.
4138         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
4139         (Output_data_got::add_global_pair_with_rela): Likewise.
4140         (Output_data_got::add_local): Call add_got_entry.
4141         (Output_data_got::add_local_plt): Likewise.
4142         (Output_data_got::add_local_with_rel): Likewise.
4143         (Output_data_got::add_local_with_rela): Likewise.
4144         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
4145         (Output_data_got::add_local_pair_with_rela): Likewise.
4146         (Output_data_got::reserve_slot): New function.
4147         (Output_data_got::reserve_slot_for_global): New function.
4148         (Output_data_got::add_got_entry): New function.
4149         (Output_data_got::add_got_entry_pair): New function.
4150         (Output_section::add_output_section_data): Edit FIXME.
4151         * output.h
4152         (Output_section_data_build::Output_section_data_build): New
4153         constructor with size parameter.
4154         (Output_data_space::Output_data_space): Likewise.
4155         (Output_data_got::Output_data_got): Initialize new data member; new
4156         constructor with size parameter.
4157         (Output_data_got::add_constant): Call add_got_entry.
4158         (Output_data_got::reserve_slot): New function.
4159         (Output_data_got::reserve_slot_for_global): New function.
4160         (class Output_data_got::Got_entry): Add RESERVED_CODE.
4161         (Output_data_got::add_got_entry): New function.
4162         (Output_data_got::add_got_entry_pair): New function.
4163         (Output_data_got::free_list_): New data member.
4164         * target.h (Sized_target::init_got_plt_for_update): New function.
4165         (Sized_target::register_global_plt_entry): New function.
4166         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
4167         Initialize new data member; call init; add constructor with PLT count.
4168         (Output_data_plt_x86_64::init): New function.
4169         (Output_data_plt_x86_64::add_relocation): New function.
4170         (Output_data_plt_x86_64::reserve_slot): New function.
4171         (Output_data_plt_x86_64::free_list_): New data member.
4172         (Target_x86_64::init_got_plt_for_update): New function.
4173         (Target_x86_64::register_global_plt_entry): New function.
4174         (Output_data_plt_x86_64::add_entry): Allocate from free list for
4175         incremental updates.
4176         (Output_data_plt_x86_64::add_relocation): New function.
4177         * testsuite/object_unittest.cc (Object_test): Set default options.
4178
4179 2011-05-16  Ian Lance Taylor  <iant@google.com>
4180
4181         * options.h (class General_options): Make -i a synonym for -r.
4182
4183 2011-05-16  Ian Lance Taylor  <iant@google.com>
4184
4185         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
4186
4187 2011-05-10 Cary Coutant  <ccoutant@google.com>
4188
4189         * object.cc (Sized_relobj::do_count_local_symbols): Check for
4190         strip_all (-s).
4191
4192 2011-05-06  Ian Lance Taylor  <iant@google.com>
4193
4194         * layout.cc (Layout::layout): If the output section flags change,
4195         update the ordering.
4196
4197 2011-04-25 Cary Coutant  <ccoutant@google.com>
4198
4199         * incremental-dump.cc (dump_incremental_inputs): Print local
4200         symbol info for each input file.
4201         * incremental.cc
4202         (Output_section_incremental_inputs::set_final_data_size): Add local
4203         symbol info to input file entries in incremental info.
4204         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4205         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
4206         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
4207         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
4208         implementation.
4209         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
4210         (Sized_incr_relobj::do_relocate): Write the local symbols.
4211         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
4212         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
4213         Adjust size of input file header.
4214         (Incremental_inputs_reader::get_local_symbol_offset): New function.
4215         (Incremental_inputs_reader::get_local_symbol_count): New function.
4216         (Incremental_inputs_reader::get_input_section): Adjust size of input
4217         file header.
4218         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
4219         (Sized_incr_relobj::This): New typedef.
4220         (Sized_incr_relobj::sym_size): New const data member.
4221         (Sized_incr_relobj::Local_symbol): New struct.
4222         (Sized_incr_relobj::do_output_local_symbol_count): New function.
4223         (Sized_incr_relobj::do_local_symbol_offset): New function.
4224         (Sized_incr_relobj::local_symbol_count_): New data member.
4225         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
4226         (Sized_incr_relobj::local_symbol_index_): New data member.
4227         (Sized_incr_relobj::local_symbol_offset_): New data member.
4228         (Sized_incr_relobj::local_dynsym_offset_): New data member.
4229         (Sized_incr_relobj::local_symbols_): New data member.
4230         * object.h (Relobj::output_local_symbol_count): New function.
4231         (Relobj::local_symbol_offset): New function.
4232         (Relobj::do_output_local_symbol_count): New function.
4233         (Relobj::do_local_symbol_offset): New function.
4234         (Sized_relobj::do_output_local_symbol_count): New function.
4235         (Sized_relobj::do_local_symbol_offset): New function.
4236
4237 2011-04-22  Vladimir Simonov  <sv@sw.ru>
4238
4239         * descriptors.cc (set_close_on_exec): New function.
4240         (Descriptors::open): Use set_close_on_exec.
4241         * output.cc (S_ISLNK): Define if not defined.
4242
4243 2011-04-22 Cary Coutant  <ccoutant@google.com>
4244
4245         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
4246         global symbol map.
4247         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
4248         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
4249         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
4250         relocations.
4251         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
4252         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
4253         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
4254         * incremental.h
4255         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
4256         function.
4257         (Incremental_binary::apply_incremental_relocs): New function.
4258         (Incremental_binary::do_apply_incremental_relocs): New function.
4259         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
4260         data member.
4261         (Sized_incremental_binary::add_global_symbol): New function.
4262         (Sized_incremental_binary::global_symbol): New function.
4263         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
4264         (Sized_incremental_binary::symbol_map_): New data member.
4265         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
4266         * target.h (Sized_target::apply_relocation): New function.
4267         * target-reloc.h (apply_relocation): New function.
4268         * x86_64.cc (Target_x86_64::apply_relocation): New function.
4269
4270 2011-04-22  Doug Kwan  <dougkwan@google.com>
4271
4272         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
4273         flag of a SHT_ARM_EXIDX section.
4274         * testsuite/Makefile.am (arm_exidx_test): New test rules.
4275         * testsuite/Makefile.in: Regenerate.
4276         * testsuite/arm_exidx_test.s: New file.
4277         * testsuite/arm_exidx_test.sh: Same.
4278
4279 2011-04-20 Cary Coutant  <ccoutant@google.com>
4280
4281         PR gold/12689
4282         * archive.h (Incremental_archive_entry::Archive_member):
4283         Initialize arg_serial_ (second constructor).
4284
4285 2011-04-17  Ian Lance Taylor  <iant@google.com>
4286
4287         * object.cc (Relocate_info::location): Simplify location string.
4288         * errors.cc (Errors::error_at_location): Don't print program
4289         name.
4290         (Errors::warning_at_location): Likewise.
4291         (Errors::undefined_symbol): Likewise.
4292         * testsuite/debug_msg.sh: Update accordingly.
4293
4294 2011-04-14 Cary Coutant  <ccoutant@google.com>
4295
4296         * gold/layout.cc (Layout::symtab_section_offset): New function.
4297         * gold/layout.h (Layout::symtab_section_offset): New function.
4298         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
4299
4300 2011-04-12  Ian Lance Taylor  <iant@google.com>
4301
4302         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
4303         with MREMAP_MAYMOVE.
4304         * output.h (class Output_file): Add map_is_allocated_ field.
4305         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
4306         not available, provide stubs.  If mremap is not available, #define
4307         it to gold_mremap.
4308         (MREMAP_MAYMOVE): Define if not defined.
4309         (Output_file::Output_file): Initialize map_is_allocated_.
4310         (Output_file::resize): Check map_is_allocated_.
4311         (Output_file::map_anonymous): If mmap fails, use malloc.
4312         (Output_file::unmap): Don't do anything for an anonymous map.
4313         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
4314         is not available, provide stubs.
4315         (File_read::View::~View): Use free rather than delete[].
4316         (File_read::make_view): Use malloc rather than new[].  If mmap
4317         fails, use malloc.
4318         (File_read::find_or_make_view): Use malloc rather than new[].
4319         * gold.h: Remove HAVE_REMAP code.
4320         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
4321         exists.  Rename mremap to gold_mremap.  If mmap is not available
4322         don't do anything.
4323         * configure, config.in: Rebuild.
4324
4325 2011-04-11  Ian Lance Taylor  <iant@google.com>
4326
4327         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
4328         initialize local variable v.
4329
4330 2011-04-11  Cary Coutant  <ccoutant@google.com>
4331
4332         * archive.cc (Archive::include_member): Adjust call to
4333         report_object.
4334         (Add_archive_symbols::run): Track argument serial numbers.
4335         (Lib_group::include_member): Likewise.
4336         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
4337         * archive.h (Incremental_archive_entry::Archive_member):
4338         Initialize arg_serial_.
4339         (Archive_member::arg_serial_): New data member.
4340         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
4341         (Sized_dynobj::do_add_symbols): Track symbols when doing an
4342         incremental link.
4343         (Sized_dynobj::do_for_all_local_got_entries): New function.
4344         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
4345         function.
4346         * fileread.cc (get_mtime): New function.
4347         * fileread.h (get_mtime): New function.
4348         * gold.cc (queue_initial_tasks): Check for incremental update.
4349         (process_incremental_input): New function.
4350         (queue_middle_tasks): Don't force valid target for incremental
4351         update.
4352         * incremental-dump.cc (find_input_containing_global): Adjust
4353         size of symbol info entry.
4354         (dump_incremental_inputs): Dump argument serial number and
4355         in_system_directory flag; bias shndx by 1; print symbol names
4356         when dumping per-file symbol lists; use new symbol info readers.
4357         * incremental.cc
4358         (Output_section_incremental_inputs:update_data_size): New function.
4359         (Sized_incremental_binary::setup_readers): Setup input readers
4360         for each input file; build maps for files added from libraries
4361         and scripts.
4362         (Sized_incremental_binary::check_input_args): New function.
4363         (Sized_incremental_binary::do_check_inputs): Build map of argument
4364         serial numbers to input arguments.
4365         (Sized_incremental_binary::do_file_has_changed): Rename
4366         do_file_is_unchanged to this; compare file modification times.
4367         (Sized_incremental_binary::do_init_layout): New function.
4368         (Sized_incremental_binary::do_reserve_layout): New function.
4369         (Sized_incremental_binary::do_get_input_reader): Remove.
4370         (Sized_incremental_binary::get_symtab_view): New function.
4371         (Incremental_checker::can_incrementally_link_output_file): Remove.
4372         (Incremental_inputs::report_command_line): Exclude --debug options.
4373         (Incremental_inputs::report_archive_begin): Add parameter; track
4374         argument serial numbers; don't put input file entry for archive
4375         before archive members.
4376         (Incremental_inputs::report_archive_end): Put input file entry
4377         for archive after archive members.
4378         (Incremental_inputs::report_object): Add parameter; track argument
4379         serial numbers and in_system_directory flag.
4380         (Incremental_inputs::report_script): Add parameter; track argument
4381         serial numbers.
4382         (Output_section_incremental_inputs::set_final_data_size): Adjust
4383         size of symbol info entry; check for forwarding symbols.
4384         (Output_section_incremental_inputs::write_input_files): Write
4385         in_system_directory flag and argument serial number.
4386         (Output_section_incremental_inputs::write_info_blocks): Map section
4387         indices between incremental info and original input file; store
4388         input section index for each symbol.
4389         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
4390         change operator() to visit().
4391         (class Global_got_offset_visitor): Likewise.
4392         (class Global_symbol_visitor_got_plt):
4393         (Output_section_incremental_inputs::write_got_plt): Use new visitor
4394         classes.
4395         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
4396         (Sized_incr_relobj::do_read_symbols): New function.
4397         (Sized_incr_relobj::do_layout): New function.
4398         (Sized_incr_relobj::do_layout_deferred_sections): New function.
4399         (Sized_incr_relobj::do_add_symbols): New function.
4400         (Sized_incr_relobj::do_should_include_member): New function.
4401         (Sized_incr_relobj::do_for_all_global_symbols): New function.
4402         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
4403         (Sized_incr_relobj::do_section_size): New function.
4404         (Sized_incr_relobj::do_section_name): New function.
4405         (Sized_incr_relobj::do_section_contents): New function.
4406         (Sized_incr_relobj::do_section_flags): New function.
4407         (Sized_incr_relobj::do_section_entsize): New function.
4408         (Sized_incr_relobj::do_section_address): New function.
4409         (Sized_incr_relobj::do_section_type): New function.
4410         (Sized_incr_relobj::do_section_link): New function.
4411         (Sized_incr_relobj::do_section_info): New function.
4412         (Sized_incr_relobj::do_section_addralign): New function.
4413         (Sized_incr_relobj::do_initialize_xindex): New function.
4414         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
4415         (Sized_incr_relobj::do_read_relocs): New function.
4416         (Sized_incr_relobj::do_gc_process_relocs): New function.
4417         (Sized_incr_relobj::do_scan_relocs): New function.
4418         (Sized_incr_relobj::do_count_local_symbols): New function.
4419         (Sized_incr_relobj::do_finalize_local_symbols): New function.
4420         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
4421         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
4422         (Sized_incr_relobj::do_relocate): New function.
4423         (Sized_incr_relobj::do_set_section_offset): New function.
4424         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
4425         (Sized_incr_dynobj::do_read_symbols): New function.
4426         (Sized_incr_dynobj::do_layout): New function.
4427         (Sized_incr_dynobj::do_add_symbols): New function.
4428         (Sized_incr_dynobj::do_should_include_member): New function.
4429         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
4430         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
4431         (Sized_incr_dynobj::do_section_size): New function.
4432         (Sized_incr_dynobj::do_section_name): New function.
4433         (Sized_incr_dynobj::do_section_contents): New function.
4434         (Sized_incr_dynobj::do_section_flags): New function.
4435         (Sized_incr_dynobj::do_section_entsize): New function.
4436         (Sized_incr_dynobj::do_section_address): New function.
4437         (Sized_incr_dynobj::do_section_type): New function.
4438         (Sized_incr_dynobj::do_section_link): New function.
4439         (Sized_incr_dynobj::do_section_info): New function.
4440         (Sized_incr_dynobj::do_section_addralign): New function.
4441         (Sized_incr_dynobj::do_initialize_xindex): New function.
4442         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
4443         (make_sized_incremental_object): New function.
4444         (Incremental_library::copy_unused_symbols): New function.
4445         (Incremental_library::do_for_all_unused_symbols): New function.
4446         * incremental.h (enum Incremental_input_flags): New type.
4447         (class Incremental_checker): Remove.
4448         (Incremental_input_entry::Incremental_input_entry): Add argument
4449         serial number.
4450         (Incremental_input_entry::arg_serial): New function.
4451         (Incremental_input_entry::set_is_in_system_directory): New function.
4452         (Incremental_input_entry::is_in_system_directory): New function.
4453         (Incremental_input_entry::arg_serial_): New data member.
4454         (Incremental_input_entry::is_in_system_directory_): New data member.
4455         (class Script_info): Move here from script.h.
4456         (Script_info::Script_info): Add filename parameter.
4457         (Script_info::filename): New function.
4458         (Script_info::filename_): New data member.
4459         (Incremental_script_entry::Incremental_script_entry): Add argument
4460         serial number.
4461         (Incremental_object_entry::Incremental_object_entry): Likewise.
4462         (Incremental_object_entry::add_input_section): Build list of input
4463         sections with map to original shndx.
4464         (Incremental_object_entry::get_input_section_index): New function.
4465         (Incremental_object_entry::shndx_): New data member.
4466         (Incremental_object_entry::name_key_): Rename; adjust all refs.
4467         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
4468         (Incremental_archive_entry::Incremental_archive_entry): Add argument
4469         serial number.
4470         (Incremental_inputs::report_archive_begin): Likewise.
4471         (Incremental_inputs::report_object): Likewise.
4472         (Incremental_inputs::report_script): Likewise.
4473         (class Incremental_global_symbol_reader): New class.
4474         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
4475         and store flags and input file type.
4476         (Incremental_input_entry_reader::arg_serial): New function.
4477         (Incremental_input_entry_reader::type): Extract type from flags.
4478         (Incremental_input_entry_reader::is_in_system_directory): New function.
4479         (Incremental_input_entry_reader::get_input_section_count): Call
4480         accessor function for type.
4481         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
4482         function for type; adjust size of global symbol entry.
4483         (Incremental_input_entry_reader::get_global_symbol_count): Call
4484         accessor function for type.
4485         (Incremental_input_entry_reader::get_object_count): Likewise.
4486         (Incremental_input_entry_reader::get_object_offset): Likewise.
4487         (Incremental_input_entry_reader::get_member_count): Likewise.
4488         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
4489         (Incremental_input_entry_reader::get_member_offset): Likewise.
4490         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
4491         (Incremental_input_entry_reader::Global_symbol_info): Remove.
4492         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
4493         (Incremental_input_entry_reader::get_global_symbol_reader): New
4494         function.
4495         (Incremental_input_entry_reader::get_output_symbol_index): New
4496         function.
4497         (Incremental_input_entry_reader::type_): Remove.
4498         (Incremental_input_entry_reader::flags_): New data member.
4499         (Incremental_inputs_reader::input_file_offset): New function.
4500         (Incremental_inputs_reader::input_file_index): New function.
4501         (Incremental_inputs_reader::input_file): Call input_file_offset.
4502         (Incremental_inputs_reader::input_file_at_offset): New function.
4503         (Incremental_relocs_reader::get_r_type): Reformat.
4504         (Incremental_relocs_reader::get_r_shndx): Reformat.
4505         (Incremental_relocs_reader::get_r_offset): Reformat.
4506         (Incremental_relocs_reader::data): New function.
4507         (Incremental_binary::Incremental_binary): Initialize new data members.
4508         (Incremental_binary::check_inputs): Add cmdline parameter.
4509         (Incremental_binary::file_is_unchanged): Remove.
4510         (Input_reader::arg_serial): New function.
4511         (Input_reader::get_unused_symbol_count): New function.
4512         (Input_reader::get_unused_symbol): New function.
4513         (Input_reader::do_arg_serial): New function.
4514         (Input_reader::do_get_unused_symbol_count): New function.
4515         (Input_reader::do_get_unused_symbol): New function.
4516         (Incremental_binary::input_file_count): New function.
4517         (Incremental_binary::get_input_reader): Change signature to use
4518         index instead of filename.
4519         (Incremental_binary::file_has_changed): New function.
4520         (Incremental_binary::get_input_argument): New function.
4521         (Incremental_binary::get_library): New function.
4522         (Incremental_binary::get_script_info): New function.
4523         (Incremental_binary::init_layout): New function.
4524         (Incremental_binary::reserve_layout): New function.
4525         (Incremental_binary::output_file): New function.
4526         (Incremental_binary::do_check_inputs): New function.
4527         (Incremental_binary::do_file_is_unchanged): Remove.
4528         (Incremental_binary::do_file_has_changed): New function.
4529         (Incremental_binary::do_init_layout): New function.
4530         (Incremental_binary::do_reserve_layout): New function.
4531         (Incremental_binary::do_input_file_count): New function.
4532         (Incremental_binary::do_get_input_reader): Change signature.
4533         (Incremental_binary::input_args_map_): New data member.
4534         (Incremental_binary::library_map_): New data member.
4535         (Incremental_binary::script_map_): New data member.
4536         (Sized_incremental_binary::Sized_incremental_binary): Initialize
4537         new data members.
4538         (Sized_incremental_binary::output_section): New function.
4539         (Sized_incremental_binary::inputs_reader): Add const.
4540         (Sized_incremental_binary::symtab_reader): Add const.
4541         (Sized_incremental_binary::relocs_reader): Add const.
4542         (Sized_incremental_binary::got_plt_reader): Add const.
4543         (Sized_incremental_binary::get_symtab_view): New function.
4544         (Sized_incremental_binary::Inputs_reader): New typedef.
4545         (Sized_incremental_binary::Input_entry_reader): New typedef.
4546         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
4547         (Sized_incremental_binary::do_file_is_unchanged): Remove.
4548         (Sized_incremental_binary::do_file_has_changed): New function.
4549         (Sized_incremental_binary::do_init_layout): New function.
4550         (Sized_incremental_binary::do_reserve_layout): New function.
4551         (Sized_input_reader::Inputs_reader): Remove.
4552         (Sized_input_reader::Input_entry_reader): Remove.
4553         (Sized_input_reader::do_arg_serial): New function.
4554         (Sized_input_reader::do_get_unused_symbol_count): New function.
4555         (Sized_input_reader::do_get_unused_symbol): New function.
4556         (Sized_incremental_binary::do_input_file_count): New function.
4557         (Sized_incremental_binary::do_get_input_reader): Change signature;
4558         use index instead of filename.
4559         (Sized_incremental_binary::section_map_): New data member.
4560         (Sized_incremental_binary::input_entry_readers_): New data member.
4561         (class Sized_incr_relobj): New class.
4562         (class Sized_incr_dynobj): New class.
4563         (make_sized_incremental_object): New function.
4564         (class Incremental_library): New class.
4565         * layout.cc (Free_list::num_lists): New static data member.
4566         (Free_list::num_nodes): New static data member.
4567         (Free_list::num_removes): New static data member.
4568         (Free_list::num_remove_visits): New static data member.
4569         (Free_list::num_allocates): New static data member.
4570         (Free_list::num_allocate_visits): New static data member.
4571         (Free_list::init): New function.
4572         (Free_list::remove): New function.
4573         (Free_list::allocate): New function.
4574         (Free_list::dump): New function.
4575         (Free_list::print_stats): New function.
4576         (Layout_task_runner::run): Resize output file for incremental updates.
4577         (Layout::Layout): Initialize new data members.
4578         (Layout::set_incremental_base): New function.
4579         (Layout::init_fixed_output_section): New function.
4580         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
4581         incremental updates.
4582         (Layout::create_gold_note): Do not create gold note section for
4583         incremental updates.
4584         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
4585         for incremental updates.
4586         (Layout::set_section_offsets): For incremental updates, allocate space
4587         from free list.
4588         (Layout::create_symtab_sections): Layout with offsets relative to
4589         start of section; for incremental updates, allocate space from free
4590         list.
4591         (Layout::create_shdrs): For incremental updates, allocate space from
4592         free list.
4593         (Layout::finish_dynamic_section): For incremental updates, do not
4594         check --as-needed (fixed in subsequent patch).
4595         * layout.h (class Free_list): New class.
4596         (Layout::set_incremental_base): New function.
4597         (Layout::incremental_base): New function.
4598         (Layout::init_fixed_output_section): New function.
4599         (Layout::allocate): New function.
4600         (Layout::incremental_base_): New data member.
4601         (Layout::free_list_): New data member.
4602         * main.cc (main): Print Free_list statistics.
4603         * object.cc (Relobj::finalize_incremental_relocs): Add
4604         clear_counts parameter; clear counts only when clear_counts is set.
4605         (Sized_relobj::Sized_relobj): Initialize new base class.
4606         (Sized_relobj::do_layout): Don't report special sections.
4607         (Sized_relobj::do_for_all_local_got_entries): New function.
4608         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
4609         symtab_off to all symbol table offsets.
4610         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
4611         * object.h (class Got_offset_list): Move to top of file.
4612         (Object::Object): Allow case where input_file == NULL.
4613         (Object::~Object): Likewise.
4614         (Object::input_file): Assert that input_file != NULL.
4615         (Object::lock): Allow case where input_file == NULL.
4616         (Object::unlock): Likewise.
4617         (Object::is_locked): Likewise.
4618         (Object::token): Likewise.
4619         (Object::release): Likewise.
4620         (Object::is_incremental): New function.
4621         (Object::get_mtime): New function.
4622         (Object::for_all_local_got_entries): New function.
4623         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
4624         (Object::set_is_in_system_directory): New function.
4625         (Object::is_in_system_directory): New function.
4626         (Object::do_is_incremental): New function.
4627         (Object::do_get_mtime): New function.
4628         (Object::do_for_all_local_got_entries): New function.
4629         (Object::is_in_system_directory_): New data member.
4630         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
4631         (class Sized_relobj_base): New class.
4632         (class Sized_relobj): Derive from Sized_relobj_base.
4633         (class Sized_relobj::Symbols): Redeclare from base class.
4634         (class Sized_relobj::local_got_offset_list): Remove.
4635         (class Sized_relobj::Output_sections): Redeclare from base class.
4636         (class Sized_relobj::do_for_all_local_got_entries): New function.
4637         (class Sized_relobj::write_local_symbols): Add offset parameter.
4638         (class Sized_relobj::local_symbol_offset_): Update comment.
4639         (class Sized_relobj::local_dynsym_offset_): Update comment.
4640         * options.cc (Input_arguments::add_file): Remove const.
4641         * options.h (Input_file_argument::Input_file_argument):
4642         Initialize arg_serial_ (all constructors).
4643         (Input_file_argument::set_arg_serial): New function.
4644         (Input_file_argument::arg_serial): New function.
4645         (Input_file_argument::arg_serial_): New data member.
4646         (Input_arguments::Input_arguments): Initialize file_count_.
4647         (Input_arguments::add_file): Remove const.
4648         (Input_arguments::number_of_input_files): New function.
4649         (Input_arguments::file_count_): New data member.
4650         (Command_line::number_of_input_files): Call
4651         Input_arguments::number_of_input_files.
4652         * output.cc (Output_segment_headers::Output_segment_headers):
4653         Set current size.
4654         (Output_section::Input_section::current_data_size): New function.
4655         (Output_section::Output_section): Initialize new data members.
4656         (Output_section::add_input_section): Don't do merge sections for
4657         an incremental link; allocate space from free list for an
4658         incremental update.
4659         (Output_section::add_output_section_data): Allocate space from
4660         free list for an incremental update.
4661         (Output_section::update_data_size): New function.
4662         (Output_section::set_fixed_layout): New function.
4663         (Output_section::reserve): New function.
4664         (Output_segment::set_section_addresses): Remove const.
4665         (Output_segment::set_section_list_addresses): Remove const; allocate
4666         space from free list for an incremental update.
4667         (Output_segment::set_offset): Adjust size of RELRO segment for an
4668         incremental update.
4669         * output.h (Output_data::current_data_size): Move here from
4670         child classes.
4671         (Output_data::pre_finalize_data_size): New function.
4672         (Output_data::update_data_size): New function.
4673         (Output_section_headers::update_data_size): new function.
4674         (Output_section_data_build::current_data_size): Move to Output_data.
4675         (Output_data_strtab::update_data_size): New function.
4676         (Output_section::current_data_size): Move to Output_data.
4677         (Output_section::set_fixed_layout): New function.
4678         (Output_section::has_fixed_layout): New function.
4679         (Output_section::reserve): New function.
4680         (Output_section::update_data_size): New function.
4681         (Output_section::has_fixed_layout_): New data member.
4682         (Output_section::free_list_): New data member.
4683         (Output_segment::set_section_addresses): Remove const.
4684         (Output_segment::set_section_list_addresses): Remove const.
4685         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
4686         New function.
4687         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
4688         New function.
4689         * readsyms.cc (Read_symbols::do_read_symbols): Add library
4690         parameter when calling Add_symbols constructor; store argument
4691         serial number for members of a lib group.
4692         (Add_symbols::locks): Allow case where token == NULL.
4693         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
4694         (Read_member::~Read_member): New function.
4695         (Read_member::is_runnable): New function.
4696         (Read_member::locks): New function.
4697         (Read_member::run): New function.
4698         (Check_script::~Check_script): New function.
4699         (Check_script::is_runnable): New function.
4700         (Check_script::locks): New function.
4701         (Check_script::run): New function.
4702         (Check_library::~Check_library): New function.
4703         (Check_library::is_runnable): New function.
4704         (Check_library::locks): New function.
4705         (Check_library::run): New function.
4706         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
4707         (Add_symbols::library_): New data member.
4708         (class Read_member): New class.
4709         (class Check_script): New class.
4710         (class Check_library): New class.
4711         * reloc.cc (Read_relocs::is_runnable): Allow case where
4712         token == NULL.
4713         (Read_relocs::locks): Likewise.
4714         (Scan_relocs::locks): Likewise.
4715         (Relocate_task::locks): Likewise.
4716         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
4717         to clear counters.
4718         (Sized_relobj::incremental_relocs_scan): Fix comment.
4719         (Sized_relobj::do_relocate): Pass output file offset to
4720         write_local_symbols.
4721         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
4722         from class declaration.
4723         * script.cc (read_input_script): Allocate Script_info; pass
4724         argument serial number to report_script.
4725         * script.h (class Script_info): Move to incremental.h.
4726         * symtab.cc (Symbol_table::add_from_incrobj): New function.
4727         * symtab.h (Symbol_table::add_from_incrobj): New function.
4728         (Symbol_table::set_file_offset): New function.
4729
4730 2011-04-05  Cary Coutant  <ccoutant@google.com>
4731
4732         * incremental-dump.cc (dump_incremental_inputs): Change signature
4733         to take a Sized_incremental_binary; change caller.  Use readers
4734         in Sized_incremental_binary.
4735         * incremental.cc
4736         (Sized_incremental_binary::find_incremental_inputs_sections):
4737         Rename do_find_incremental_inputs_sections to this.
4738         (Sized_incremental_binary::setup_readers): New function.
4739         (Sized_incremental_binary::do_check_inputs): Check
4740         has_incremental_info_ flag; move setup code to setup_readers;
4741         use input readers.
4742         (Sized_incremental_binary::do_file_is_unchanged): New function.
4743         (Sized_incremental_binary::do_get_input_reader): New function.
4744         * incremental.h (class Incremental_binary): Move to end of file.
4745         (Incremental_binary::file_is_unchanged): New function.
4746         (Incremental_binary::do_file_is_unchanged): New function.
4747         (Incremental_binary::Input_reader): New class.
4748         (Incremental_binary::get_input_reader): New function.
4749         (class Sized_incremental_binary): Move to end of file.
4750         (Sized_incremental_binary::Sized_incremental_binary): Setup the
4751         input section reader classes.
4752         (Sized_incremental_binary::has_incremental_info): New function.
4753         (Sized_incremental_binary::inputs_reader): New function.
4754         (Sized_incremental_binary::symtab_reader): New function.
4755         (Sized_incremental_binary::relocs_reader): New function.
4756         (Sized_incremental_binary::got_plt_reader): New function.
4757         (Sized_incremental_binary::do_file_is_unchanged): New function.
4758         (Sized_incremental_binary::Sized_input_reader): New class.
4759         (Sized_incremental_binary::get_input_reader): New function.
4760         (Sized_incremental_binary::find_incremental_inputs_sections):
4761         Rename do_find_incremental_inputs_sections to this.
4762         (Sized_incremental_binary::setup_readers): New function.
4763         (Sized_incremental_binary::has_incremental_info_): New data member.
4764         (Sized_incremental_binary::inputs_reader_): New data member.
4765         (Sized_incremental_binary::symtab_reader_): New data member.
4766         (Sized_incremental_binary::relocs_reader_): New data member.
4767         (Sized_incremental_binary::got_plt_reader_): New data member.
4768         (Sized_incremental_binary::current_input_file_): New data member.
4769
4770 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4771
4772         PR gold/12640
4773         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4774         violation.
4775
4776 2011-03-30  Cary Coutant  <ccoutant@google.com>
4777
4778         * archive.cc (Archive::include_member): Adjust call to report_object.
4779         (Add_archive_symbols::run): Add script_info to call to
4780         report_archive_begin.
4781         (Lib_group::include_member): Adjust call to report_object.
4782         (Add_lib_group_symbols::run): Adjust call to report_object.
4783         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4784         blocks.  Add object count for script input files.
4785         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4786         script_info parameter; change all callers.
4787         (Incremental_inputs::report_object): Add script_info parameter;
4788         change all callers.
4789         (Incremental_inputs::report_script): Store backpointer to
4790         incremental info entry.
4791         (Output_section_incremental_inputs::set_final_data_size): Record
4792         additional information for scripts.
4793         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4794         * incremental.h (Incremental_script_entry::add_object): New function.
4795         (Incremental_script_entry::get_object_count): New function.
4796         (Incremental_script_entry::get_object): New function.
4797         (Incremental_script_entry::objects_): New data member; adjust
4798         constructor.
4799         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4800         (Incremental_inputs::report_object): Add script_info parameter.
4801         (Incremental_inputs_reader::get_object_count): New function.
4802         (Incremental_inputs_reader::get_object_offset): New function.
4803         * options.cc (Input_arguments::add_file): Return reference to
4804         new input argument.
4805         * options.h (Input_argument::set_script_info): New function.
4806         (Input_argument::script_info): New function.
4807         (Input_argument::script_info_): New data member; adjust all
4808         constructors.
4809         (Input_file_group::add_file): Return reference to new input argument.
4810         (Input_file_lib::add_file): Likewise.
4811         (Input_arguments::add_file): Likewise.
4812         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4813         * script.cc (Parser_closure::Parser_closure): Add script_info
4814         parameter; adjust all callers.
4815         (Parser_closure::script_info): New function.
4816         (Parser_closure::script_info_): New data member.
4817         (read_input_script): Report scripts earlier to incremental info.
4818         (script_add_file): Set script_info in Input_argument.
4819         (script_add_library): Likewise.
4820         * script.h (Script_options::Script_info): Rewrite class.
4821
4822 2011-03-29  Cary Coutant  <ccoutant@google.com>
4823
4824         * archive.cc (Library_base::should_include_member): Move
4825         method here from class Archive.
4826         (Archive::Archive): Initialize base class.
4827         (Archive::should_include_member): Move to base class.
4828         (Archive::do_for_all_unused_symbols): New function.
4829         (Add_archive_symbols::run): Remove redundant access to
4830         incremental_inputs.
4831         (Lib_group::Lib_group): Initialize base class.
4832         (Lib_group::do_filename): New function.
4833         (Lib_group::include_member): Pass pointer to Lib_group to
4834         report_object.
4835         (Lib_group::do_for_all_unused_symbols): New function.
4836         (Add_lib_group_symbols::run): Report archive information for
4837         incremental links.
4838         * archive.h (class Library_base): New base class.
4839         (class Archive): Derive from Library_base.
4840         (Archive::filename): Move to base class.
4841         (Archive::set_incremental_info): Likewise.
4842         (Archive::incremental_info): Likewise.
4843         (Archive::Should_include): Likewise.
4844         (Archive::should_include_member): Likewise.
4845         (Archive::Armap_entry): Remove.
4846         (Archive::Unused_symbol_iterator): Remove.
4847         (Archive::unused_symbols_begin): Remove.
4848         (Archive::unused_symbols_end): Remove.
4849         (Archive::do_filename): New function.
4850         (Archive::do_get_mtime): New function.
4851         (Archive::do_for_all_unused_symbols): New function.
4852         (Archive::task_): Move to base class.
4853         (Archive::incremental_info_): Likewise.
4854         (class Lib_group): Derive from Library_base.
4855         (Lib_group::do_filename): New function.
4856         (Lib_group::do_get_mtime): New function.
4857         (Lib_group::do_for_all_unused_symbols): New function.
4858         (Lib_group::task_): Move to base class.
4859         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4860         function.
4861         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4862         function.
4863         * incremental.cc (Incremental_inputs::report_archive_begin):
4864         Use Library_base; call library's get_mtime; add incremental inputs
4865         entry before members.
4866         (class Unused_symbol_visitor): New class.
4867         (Incremental_inputs::report_archive_end): Use Library_base; use
4868         visitor class to record unused symbols; don't add incremental inputs
4869         entry after members.
4870         (Incremental_inputs::report_object): Use Library_base.
4871         * incremental.h
4872         (Incremental_archive_entry::Incremental_archive_entry): Remove
4873         unused Archive parameter.
4874         (Incremental_inputs::report_archive_begin): Use Library_base.
4875         (Incremental_inputs::report_archive_end): Likewise.
4876         (Incremental_inputs::report_object): Likewise.
4877         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4878         function.
4879         * object.h (Object::for_all_global_symbols): New function.
4880         (Object::do_for_all_global_symbols): New function.
4881         (Sized_relobj::do_for_all_global_symbols): New function.
4882         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4883         function.
4884         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4885         function.
4886
4887 2011-03-27  Ian Lance Taylor  <iant@google.com>
4888
4889         * archive.cc (Archive::interpret_header): Return -1 if something
4890         goes wrong.  Change callers accordingly.
4891
4892 2011-03-25  Cary Coutant  <ccoutant@google.com>
4893
4894         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4895         * testsuite/Makefile.in: Regenerate.
4896
4897 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4898
4899         * plugin.cc (get_view): New.
4900         (Plugin::load): Pass get_view to the plugin.
4901         (Plugin_manager::get_view): New.
4902
4903 2011-03-21  Ian Lance Taylor  <iant@google.com>
4904
4905         * testsuite/final_layout.sh: Rewrite to not use dc.
4906         * testsuite/relro_test.sh: Fail if dc is not present.
4907
4908 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
4909
4910         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
4911         Change == to -eq.
4912         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
4913         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
4914         Change == to -eq.
4915         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
4916         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
4917
4918 2011-03-14  Ian Lance Taylor  <iant@google.com>
4919
4920         * script-sections.cc (Sort_output_sections::script_compare):
4921         Rename from is_before, change return type.
4922         (Sort_output_sections::operator()): Adjust accordingly.
4923
4924 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
4925
4926         PR gold/12572
4927         * testsuite/odr_violation2.cc: Add comment to make all error line
4928         numbers double digits.
4929         * testsuite/debug_msg.sh: Adjust expected errors.
4930
4931 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
4932
4933         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
4934         but mark earlier ones as non-canonical
4935         (offset_to_iterator): Update search target and example
4936         (do_addr2line): Return extra lines in a vector*
4937         (format_file_lineno): Extract from do_addr2line
4938         (one_addr2line): Add vector* out-param
4939         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
4940         when a lineno entry appeared last for its instruction
4941         (Dwarf_line_info): Add vector* out-param
4942         * object.cc (Relocate_info): Pass NULL for the vector* out-param
4943         * symtab.cc (Odr_violation_compare): Include the lineno in the
4944         comparison again.
4945         (linenos_from_loc): New. Combine the canonical line for an
4946         address with its other lines.
4947         (True_if_intersect): New. Helper functor to make
4948         std::set_intersection a query.
4949         (detect_odr_violations): Compare sets of lines instead of just
4950         one line for each function. This became less deterministic, but
4951         has fewer false positives.
4952         * symtab.h: Declarations.
4953         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
4954         mix an optimized and non-optimized object in the same binary
4955         (odr_violation2.so): Same.
4956         * testsuite/Makefile.in: Regenerate from Makefile.am.
4957         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
4958         * testsuite/debug_msg.sh: Update line numbers and add
4959         assertions.
4960         * testsuite/odr_violation1.cc: Use OdrDerived, in a
4961         non-optimized context.
4962         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
4963         isn't inlined, and use OdrDerived in an optimized context.
4964         * testsuite/odr_header1.h: Defines OdrDerived, where
4965         optimization will change the
4966         first-instruction-in-the-destructor's file and line number.
4967         * testsuite/odr_header2.h: Defines OdrBase.
4968
4969 2011-03-09  Ian Lance Taylor  <iant@google.com>
4970
4971         * fileread.cc (File_read::clear_views): Don't delete the whole
4972         file view.
4973
4974 2011-03-08  Ian Lance Taylor  <iant@google.com>
4975
4976         PR gold/12525
4977         * fileread.cc: #include <climits>.
4978         (GOLD_IOV_MAX): Define.
4979         (File_read::read_multiple): Limit number of entries by iov_max.
4980         * fileread.h (class File_read): Always set max_readv_entries to
4981         128.
4982
4983 2011-03-07  Ian Lance Taylor  <iant@google.com>
4984
4985         PR gold/12525
4986         * options.h (class General_options): Add -dy and -dn.
4987
4988 2011-03-02  Cary Coutant  <ccoutant@google.com>
4989
4990         * testsuite/script_test_9.t: Add TLS segment.
4991
4992 2011-03-02  Simon Baldwin  <simonb@google.com>
4993
4994         * configure.ac: Add check for gnu_indirect_function support in
4995         the toolchain building binutils.
4996         * configure: Rebuild.
4997
4998 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4999
5000         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
5001         plugin only symbols.
5002         (Symbol_table::sized_finalize_symbol) Mark symbol only present
5003         in plugin files as not needed in the symbol table.
5004
5005 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
5006
5007         * output.cc (Output_section::add_input_section): Delay fill
5008         generation for section ordering.
5009
5010 2011-02-09  Ian Lance Taylor  <iant@google.com>
5011
5012         PR gold/12316
5013         * object.h (class Sized_relobj): Remove clear_local_symbols.
5014         * reloc.cc (Sized_relobj::do_relocate): Don't call
5015         clear_local_symbols.
5016
5017 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
5018
5019         * plugin.cc (is_visible_from_outside): Return true for symbols
5020         in the -u option.
5021
5022 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
5023
5024         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
5025         filename.
5026
5027 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
5028
5029         * icf.h (is_section_foldable_candidate): Change type of parameter
5030         to std::string.
5031         * icf.cc (Icf::find_identical_sections): Change type of local variable
5032         section_name to be std::string.
5033         (is_function_ctor_or_dtor): Change type of parameter to std::string.
5034
5035 2011-01-25  Ian Lance Taylor  <iant@google.com>
5036
5037         * script.cc (script_add_extern): Rewrite to use
5038         add_symbol_reference.
5039
5040 2011-01-25  Doug Kwan  <dougkwan@google.com>
5041
5042         * icf.cc (get_section_contents): Always lock section's object.
5043
5044 2011-01-24  Ian Lance Taylor  <iant@google.com>
5045
5046         * options.h (class General_options): Accept
5047         --no-detect-odr-violations.
5048
5049 2011-01-24  Ian Lance Taylor  <iant@google.com>
5050
5051         * version.cc (version_string): Bump to 1.11.
5052
5053 2011-01-24  Ian Lance Taylor  <iant@google.com>
5054
5055         * plugin.cc (class Plugin_rescan): Define new class.
5056         (Plugin_manager::claim_file): Set any_claimed_.
5057         (Plugin_manager::save_archive): New function.
5058         (Plugin_manager::save_input_group): New function.
5059         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
5060         necessary.
5061         (Plugin_manager::new_undefined_symbol): New function.
5062         (Plugin_manager::rescan): New function.
5063         (Plugin_manager::rescannable_defines): New function.
5064         (Plugin_manager::add_input_file): Set any_added_.
5065         * plugin.h (class Plugin_manager): define new fields rescannable_,
5066         undefined_symbols_, any_claimed_, and any_added_.  Declare
5067         Plugin_rescan as friend.  Declare new functions.
5068         (Plugin_manager::Rescannable): Define type.
5069         (Plugin_manager::Rescannable_list): Define type.
5070         (Plugin_manager::Undefined_symbol_list): Define type.
5071         (Plugin_manager::Plugin_manager): Initialize new fields.
5072         * archive.cc (Archive::defines_symbol): New function.
5073         (Add_archive_symbols::run): Pass archive to plugins if any.
5074         * archive.h (class Archive): Declare defines_symbol.
5075         * readsyms.cc (Input_group::~Input_group): New function.
5076         (Finish_group::run): Pass input_group to plugins if any.
5077         * readsyms.h (class Input_group): Declare destructor.
5078         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
5079         any.
5080
5081 2011-01-10  Ian Lance Taylor  <iant@google.com>
5082
5083         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
5084         section as relro.
5085         (Layout::set_segment_offsets): Reset increase_relro before calling
5086         set_section_addresses a second time.
5087
5088 2011-01-04  Cary Coutant  <ccoutant@google.com>
5089
5090         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
5091         sections before NOBITS sections.
5092
5093 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
5094
5095         * version.cc (print_version): Update copyright to 2011.
5096
5097 2010-12-23  Cary Coutant  <ccoutant@google.com>
5098
5099         * output.h (Output_data_reloc::add_output_section): Pass OD instead
5100         of OS to this->add.  Add OD parameter to second form of the function.
5101
5102 2010-12-20  Ian Lance Taylor  <iant@google.com>
5103
5104         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
5105         second of two consecutive entries with same offset.
5106
5107 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5108
5109         * testsuite/Makefile.am (ifuncmain2static_LDADD)
5110         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
5111         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
5112         to avoid unneeded links against $(LDADD).
5113         * testsuite/Makefile.in: Regenerate.
5114
5115 2010-12-15  Ian Lance Taylor  <iant@google.com>
5116
5117         PR gold/12324
5118         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
5119         for R_X86_64_32 and R_X86_64_PC32.
5120         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
5121         ver_matching_def_pic.o.
5122         (ver_matching_def_pic.o): New target.
5123
5124 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5125
5126         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
5127         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
5128         Move definition before File_read::View member definitions.
5129         (File_read::View::~View): Initialize and hold lock before
5130         updating current_mapped_bytes.
5131
5132 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5133
5134         * dwarf_reader.cc: Remove outdated comment.
5135         * gold-threads.cc: Fix typo in error message.
5136         * archive.cc: Fix typos in comments.
5137         * archive.h: Likewise.
5138         * arm-reloc-property.cc: Likewise.
5139         * arm-reloc-property.h: Likewise.
5140         * arm-reloc.def: Likewise.
5141         * arm.cc: Likewise.
5142         * attributes.h: Likewise.
5143         * cref.cc: Likewise.
5144         * ehframe.cc: Likewise.
5145         * fileread.h: Likewise.
5146         * gold.h: Likewise.
5147         * i386.cc: Likewise.
5148         * icf.cc: Likewise.
5149         * incremental.h: Likewise.
5150         * int_encoding.cc: Likewise.
5151         * layout.h: Likewise.
5152         * main.cc: Likewise.
5153         * merge.h: Likewise.
5154         * object.cc: Likewise.
5155         * object.h: Likewise.
5156         * options.cc: Likewise.
5157         * readsyms.cc: Likewise.
5158         * reduced_debug_output.cc: Likewise.
5159         * reloc.cc: Likewise.
5160         * script-sections.cc: Likewise.
5161         * sparc.cc: Likewise.
5162         * symtab.h: Likewise.
5163         * target-reloc.h: Likewise.
5164         * target.cc: Likewise.
5165         * target.h: Likewise.
5166         * timer.cc: Likewise.
5167         * timer.h: Likewise.
5168         * x86_64.cc: Likewise.
5169
5170 2010-12-09  Cary Coutant  <ccoutant@google.com>
5171
5172         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
5173         stack.
5174         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
5175         parameter; change all callers.
5176         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
5177         * options.h (warn_execstack): New option.
5178
5179 2010-12-07  Doug Kwan  <dougkwan@google.com>
5180
5181         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
5182         like function call relocations.
5183
5184 2010-12-07  Ian Lance Taylor  <iant@google.com>
5185
5186         * archive.cc (Archive::get_elf_object_for_member): Permit
5187         punconfigured to be NULL.
5188         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
5189         (Archive::include_member): Pass NULL to get_elf_object_for_member
5190         if we searched for the archive and this is the first included
5191         object.
5192
5193 2010-12-01  Ian Lance Taylor  <iant@google.com>
5194
5195         * dwarf_reader.h (class Sized_dwarf_line_info): Add
5196         track_relocs_type_ field.
5197         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5198         Set track_relocs_type_.
5199         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
5200         contents when using RELA relocs.
5201         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
5202         reloc_map_.
5203         * reloc.cc (Track_relocs::next_addend): New function.
5204         * reloc.h (class Track_relocs): Declare next_addend.
5205
5206 2010-12-01  Ian Lance Taylor  <iant@google.com>
5207
5208         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
5209         virtual destructor.
5210
5211 2010-12-01  Ian Lance Taylor  <iant@google.com>
5212
5213         * README: Update compilers known to work and fail.
5214
5215 2010-11-23  Matthias Klose  <doko@ubuntu.com>
5216
5217         * configure.in: For --enable-gold, handle value `default' instead of
5218         `both*'.  Always install ld as ld.bfd, install as ld if gold is
5219         not the default.
5220         * configure: Regenerate.
5221
5222 2010-11-18  Doug Kwan  <dougkwan@google.com>
5223
5224         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
5225         and right_alignment to be zero.  Store result alignment only if it is
5226         greater than existing alignment.
5227
5228 2010-11-16  Cary Coutant  <ccoutant@google.com>
5229
5230         PR gold/12220
5231         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5232         Check for ".zdebug_line".
5233
5234 2010-11-16  Doug Kwan  <dougkwan@google.com>
5235             Cary Coutant  <ccoutant@google.com>
5236
5237         * output.h (Output_segment::set_section_addresses): Pass increase_relro
5238         by reference; adjust all callers.
5239         * output.cc (Output_segment::set_section_addresses): Adjust references
5240         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
5241         list is empty.
5242         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
5243         end at page boundary.
5244
5245 2010-11-16  Cary Coutant  <ccoutant@google.com>
5246
5247         PR gold/12220
5248         * layout.cc (Layout::choose_output_section): Transform names of
5249         compressed sections even when using a script with a SECTIONS clause.
5250         (Layout::output_section_name): Remove code to transform
5251         compressed debug section names.
5252         * output.cc (Output_section::add_input_section): Use uncompressed
5253         section size when tracking input sections.
5254
5255 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
5256
5257         * symtab.h (Symbol::NON_PIC_REF): Remove.
5258         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
5259         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
5260         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
5261         (Symbol::use_plt_offset): Take a flags argument and pass it
5262         directly to needs_dynamic_reloc.  Restrict check for undefined
5263         weak symbols to function calls.
5264         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
5265         (Target_arm::Scan::global): Use it.
5266         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
5267         (Target_arm::Relocate::relocate): Likewise.
5268         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
5269         parameter with an r_type parameter.  Use get_reference_flags
5270         to get the flags.
5271         (Target_arm::Relocate::relocate): Update accordingly.
5272         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
5273         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
5274         (Target_i386::Scan::global): Likewise.
5275         (Target_i386::Relocate::relocate): Likewise.
5276         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
5277         parameter with an r_type parameter.  Use get_reference_flags
5278         to get the flags.
5279         (Target_i386::Relocate::relocate): Update accordingly.
5280         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
5281         (Target_powerpc::Scan::global): Use it.
5282         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
5283         (Target_powerpc::Relocate::relocate): Likewise.
5284         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
5285         (Target_sparc::Scan::global): Use it.
5286         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
5287         (Target_sparc::Relocate::relocate): Likewise.
5288         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
5289         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
5290         (Target_x86_64::Scan::global): Likewise.
5291         (Target_x86_64::Relocate::relocate): Likewise.
5292
5293 2010-11-08  Doug Kwan  <dougkwan@google.com>
5294             Cary Coutant  <ccoutant@google.com>
5295
5296         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
5297         (Arm_exidx_merge_section::section_contents_): New data member.
5298         (Arm_input_section::Arm_input_section): Initialize original_contents_.
5299         (Arm_input_section::~Arm_input_section): De-allocate memory.
5300         (Arm_input_section::original_contents_): New data member.
5301         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
5302         in parameters instead of calling Object::section_contents without
5303         locking.
5304         (Arm_output_section::group_section): New parameter TASK.  Pass it
5305         to callees that need locking objects.
5306         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
5307         to lock EXIDX input sections.  Fix a formatting issue.  Call
5308         Arm_exidx_merged_section::build_contents to create merged section
5309         contents.
5310         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
5311         to lock object of stub table owner.
5312         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
5313         TEXT_SIZE to initialize data member TEXT_SIZE_.
5314         (Arm_exidx_input_section::addralign): Fix typo in comment.
5315         (Arm_exidx_input_section::text_size): New method.
5316         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
5317         that require locking objects.  Lock objects before scanning for stubs
5318         and updating local symbols.
5319         (Arm_input_section<big_endian>::init): Copy contents of original
5320         input section.
5321         (Arm_input_section<big_endian>::do_write): Use saved contents of
5322         original input section instead of calling Object::section_contents
5323         without locking.
5324         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
5325         size without calling Object::section_size().
5326         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
5327         for size.  Allocate a buffer for merged EXIDX entries.
5328         (Arm_exidx_merged_section::build_contents): New method.
5329         (Arm_exidx_merged_section::do_write): Move merge section contents
5330         building code to Arm_exidx_merged_section::build_contetns.  Write
5331         out contetns in buffer instead of building it on the fly.
5332         (Arm_relobj::make_exidx_input_section): Also pass text section size
5333         to Arm_exidx_input_section constructor.
5334         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
5335         (Arm_dynobj::do_read_symbols): Fix memory leak.
5336         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
5337         * target.h: (class Task): Add forward declaration.
5338         (Target::relax): Add new parameter TASK and pass it to
5339         Target::do_relax().
5340         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
5341
5342 2010-11-05  Cary Coutant  <ccoutant@google.com>
5343
5344         PR gold/10708
5345         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
5346         object when reading from the file.
5347         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
5348         second layout pass.
5349         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
5350         when reading section contents.
5351         (get_section_contents): Likewise.
5352         (icf::find_identical_sections): Likewise.
5353         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
5354         object when reading from the file.
5355         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
5356         the object when doing deferred section layout.
5357
5358 2010-11-03  Nick Clifton  <nickc@redhat.com>
5359
5360         PR gold/12001
5361         * script.h (class Symbol_assignment: name): New member.  Returns
5362         the name of the symbol.
5363         * scrfipt.cc (Script_options::is_pending_assignment): New member.
5364         Returns true if the given symbol name is on the list of
5365         assignments wating to be processed.
5366         * archive.cc (should_incldue_member): If the symbol is undefined,
5367         check to see if it is on the list of symbols pending assignment.
5368
5369 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
5370
5371         * script-sections.cc (Script_sections::find_memory_region): Check
5372         for a NULL output section pointer.
5373
5374 2010-10-29  Doug Kwan  <dougkwan@google.com>
5375
5376         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
5377         Output_section::add_relaxed_input_section.
5378         * output.cc (Output_section::add_relaxed_input_section): Add new
5379         arguments LAYOUT and NAME.  Set section order index.
5380         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5381         Copy section order index.
5382         * output.h (Output_section::add_relaxed_input_section): Add new
5383         arguments LAYOUT and NAME.
5384
5385 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5386
5387         * testsuite/Makefile.am: Move gcctestdir/ld rule to
5388         NATIVE_OR_CROSS_LINKER.
5389         * testsuite/Makefile.in: Regenerate.
5390
5391 2010-10-20  Doug Kwan  <dougkwan@google.com>
5392
5393         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
5394         without SHF_LINK_ORDER flags.
5395         * layout.cc (Layout::choose_output_section): Do not filter
5396         SHF_LINK_ORDER flag in a relocatable link.
5397
5398 2010-10-17  Cary Coutant  <ccoutant@google.com>
5399
5400         * output.h (Output_segment::set_section_addresses): Change function
5401         signature.  Update all callers.
5402         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
5403         sections.
5404         (Output_segment::set_section_addresses): Align after last TLS
5405         section.  Add padding before last relro section instead of after.
5406
5407 2010-10-17  Doug Kwan  <dougkwan@google.com>
5408
5409         * gold/arm.cc (Target_arm::got_section): Use correct order and set
5410         GOT output section to be writable.
5411
5412 2010-10-14  Cary Coutant  <ccoutant@google.com>
5413
5414         * debug.h (DEBUG_INCREMENTAL): New flag.
5415         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
5416         * gold.cc (queue_initial_tasks): Check parameters for incremental link
5417         mode.
5418         * incremental.cc (report_command_line): Ignore all forms of
5419         --incremental.
5420         * layout.cc (Layout::Layout): Check parameters for incremental link
5421         mode.
5422         * options.cc (General_options::parse_incremental): New function.
5423         (General_options::parse_no_incremental): New function.
5424         (General_options::parse_incremental_full): New function.
5425         (General_options::parse_incremental_update): New function.
5426         (General_options::incremental_mode_): New data member.
5427         (General_options::finalize): Check incremental_mode_.
5428         * options.h (General_options): Update help text for --incremental.
5429         Add --no-incremental, --incremental-full, --incremental-update.
5430         (General_options::Incremental_mode): New enum type.
5431         (General_options::incremental_mode): New function.
5432         (General_options::incremental_mode_): New data member.
5433         * parameters.cc (Parameters::incremental_mode_): New data member.
5434         (Parameters::set_options): Set incremental_mode_.
5435         (Parameters::set_incremental_full): New function.
5436         (Parameters::incremental): New function.
5437         (Parameters::incremental_update): New function.
5438         (set_parameters_incremental_full): New function.
5439         * parameters.h (Parameters::set_incremental_full): New function.
5440         (Parameters::incremental): New function.
5441         (Parameters::incremental_update): New function.
5442         (Parameters::incremental_mode_): New data member.
5443         (set_parameters_incremental_full): New function.
5444         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
5445         incremental link mode.
5446         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
5447         (Sized_relobj::do_relocate_sections): Likewise.
5448         * testsuite/Makefile.am (incremental_test): Use --incremental-full
5449         option.
5450         * testsuite/Makefile.in: Regenerate.
5451         * testsuite/incremental_test.sh: Filter all forms of --incremental.
5452
5453 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5454
5455         * script-sections.h (class Script_sections): Make
5456         Sections_elements typedef public.
5457         * script-sections.cc (class Sort_output_sections): Add elements_
5458         field.  Add constructor which sets it; change all callers.
5459         (Sort_output_sections::is_before): New function.
5460         (Sort_output_sections::operator()): Call is_before.
5461         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
5462         conditional.
5463         * testsuite/script_test_10.sh: New test. Test script section
5464         order.
5465         * testsuite/script_test_10.t: Likewise.
5466         * testsuite/script_test_10.s: Likewise.
5467         * testsuite/Makefile.am: Wrap the cross linker tests and the
5468         common tests into NATIVE_OR_CROSS_LINKER.
5469         (check_SCRIPTS): Add script_test_10.sh.
5470         (check_DATA): Add script_test_10.stdout.
5471         (script_test_10.o, script_test_10): New targets.
5472         (script_test_10.stdout): New target.
5473         * configure, testsuite/Makefile.in: Regenerate.
5474
5475 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5476
5477         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
5478         error for the deprecated relocations.
5479         (Target_arm::Scan::global): Likewise.
5480         (Target_arm::Relocate::relocate): Likewise.
5481
5482 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
5483
5484         * fileread.cc (Input_file::find_file): Initialize *found_name
5485         and *namep when using the fallback search for case 4.
5486
5487 2010-10-11  Cary Coutant  <ccoutant@google.com>
5488
5489         * options.h (class General_options): Redefine -z lazy as an alias for
5490         the negation of -z now.
5491
5492 2010-10-11  Ian Lance Taylor  <iant@google.com>
5493
5494         * resolve.cc (symbol_to_bits): Report the value of the unsupported
5495         binding.
5496
5497 2010-10-06  Nick Clifton  <nickc@redhat.com>
5498
5499         * script-sections.cc(class Memory_region): Remove
5500         current_lma_offset_ field.  Rename current_vma_offset_ to
5501         current_offset_.  Add last_section_ field.
5502         (Memory_region::get_current_vma_address): Rename to
5503         get_current_address.
5504         (Memory_region::get_current_lma_address): Delete.
5505         (Memory_region::increment_vma_offset): Rename to
5506         increment_offset.
5507         (Memory_region::increment_lma_offset): Delete.
5508         (Memory_region::attributes_compatible): New method.  Returns
5509         true if the provided section is compatible with the region.
5510         (Memory_region::get_last_section): New method.  Returns the last
5511         section to use the region.
5512         (Memory_region::set_last_section): New method.  Stores the last
5513         section to use the region.
5514         (Script_sections::block_in_region): New method.  Returns true if
5515         a block of memory is contained within a region.
5516         (Script_sections::find_memory_region): New method.  Locates a
5517         memory region to be used to set a VMA or LMA address.
5518         (Output_section_definition::set_section_addresses): Add code to
5519         check for addresses set by memory regions.
5520         (Output_segment::set_section_addresses): Remove memory region
5521         walking code.
5522         (Script_sections::create_segment): Add a warning if a header
5523         segment is created outside of any region.
5524         * script-sections.h (class Script_sections): Add prototypes for
5525         find_memory_region and block_in_region methods.
5526         * testsuite/memory_test.s: Use .long instead of .word.
5527         * testsuite/memory_test.t: Add some more output sections.
5528         * testsuite/memory_test.sh: Update expected output.
5529
5530 2010-10-02  Doug Kwan  <dougkwan@google.com>
5531
5532         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
5533         defintion to symtab.h
5534         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
5535         declaration to defintion.
5536
5537 2010-10-01  Nick Clifton  <nickc@redhat.com>
5538
5539         * expression.cc (eval): Replace dummy argument with NULL.
5540         (eval_maybe_dot): Check for a NULL result section pointer.
5541         (Symbol_expression::value): Likewise.
5542         (Dot_expression::value): Likewise.
5543         (BINARY_EXPRESSION): Likewise.
5544         (Max_expression::value): Likewise.
5545         (Min_expression::value): Likewise.
5546         (Absolute_expression::value): Likewise.
5547         (Addr_expression::value_from_output_section): Likewise.
5548         (Loaddddr_expression::value_from_output_section): Likewise.
5549         (Segment_start_expression::value): Likewise.
5550         * script-sections.cc
5551         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
5552         argument with NULL.
5553         (Sections_elememt_dot_assignment::set_section_addresses):
5554         Likewise.
5555         (Output_data_expression::do_write_to_buffer): Likewise.
5556         (Output_section_definition::finalize_symbols): Likewise.
5557         (Output_section_definition::set_section_addresses): Likewise.
5558
5559 2010-09-30  Doug Kwan  <dougkwan@google.com>
5560
5561         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
5562
5563 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
5564
5565         * target.h (Target::can_icf_inline_merge_sections): New virtual
5566         function.
5567         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
5568         virtual function.
5569         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
5570         virtual function.
5571         * icf.cc (get_section_contents): Inline merge sections only when
5572         target allows it.
5573
5574 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5575
5576         * configure: Regenerate.
5577
5578 2010-09-17  Ian Lance Taylor  <iant@google.com>
5579
5580         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
5581         * testsuite/Makefile.am (memory_test.o): New target.
5582         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
5583         memory_test.t.
5584         * testsuite/Makefile.in: Rebuild.
5585
5586 2010-09-17  Doug Kwan  <dougkwan@google.com>
5587
5588         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
5589         defintion if relocation uses GOT entries of the symbol.
5590         * testsuite/icf_safe_test.sh: Fix test.
5591         * testsuite/icf_safe_so_test.sh: Fix test.
5592
5593 2010-09-16  Cary Coutant  <ccoutant@google.com>
5594
5595         * script_sections.cc (class Memory_region): Remove "NULL" from
5596         vector initializations.
5597
5598 2010-09-15  Cary Coutant  <ccoutant@google.com>
5599
5600         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
5601         Resolve forwarding symbols.
5602
5603 2010-09-15  Doug Kwan  <dougkwan@google.com>
5604
5605         * gold/testsuite/script_test_3.t: Add ARM special sections.
5606         * gold/testsuite/script_test_4.t: Same.
5607         * gold/testsuite/script_test_5.t: Same.
5608         * gold/testsuite/script_test_6.t: Same.
5609         * gold/testsuite/script_test_7.t: Same.
5610         * gold/testsuite/script_test_7.t: Same.
5611         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
5612
5613 2010-09-14  Cary Coutant  <ccoutant@google.com>
5614
5615         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
5616         (Target_x86_64::Relocate::relocate_tls): Replace check for
5617         saw_tls_block_reloc_ with test for executable section.
5618
5619 2010-09-12  Cary Coutant  <ccoutant@google.com>
5620
5621         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
5622         position-independent executables to shared libraries need dynamic
5623         relocations.
5624         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
5625         position-independent executables.
5626         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
5627         * testsuite/Makefile.in: Regenerate.
5628
5629 2010-09-10  Nick Clifton  <nickc@redhat.com>
5630
5631         PR gold/11997
5632         * testsuite/memory_test.t: Discard any sections that are not
5633         needed.
5634
5635 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
5636
5637         PR gold/11996
5638         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
5639         "This::" to work around a bug in gcc 4.2.
5640
5641         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
5642
5643 2010-09-09  Rafael Espindola  <espindola@google.com>
5644
5645         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
5646         sections with different PF_X flags in the same segment.
5647         (Layout::find_first_load_seg): Search all segments to find the first
5648         one.
5649         * options.h (rosegment): New.
5650
5651 2010-09-08  Rafael Espindola  <espindola@google.com>
5652
5653         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
5654
5655 2010-09-08  Doug Kwan  <dougkwan@google.com>
5656
5657         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
5658         (Arm_relobj::do_relocate_sections): Add new parameter for output
5659         file to match the parent.
5660         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
5661         of local symbols instead of input values.  Update code to track
5662         changes in gold::relocate_section.
5663         * object.cc (Sized_relobj::compute_final_local_value): New methods.
5664         (Sized_relobj::compute_final_local_value_internal): New methods.
5665         (Sized_relobj::do_finalize_local_symbols): Move code from loop
5666         body into private version of Sized_relobj::compute_final_local_value.
5667         Call the inline method.
5668         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
5669         merged symbol value if there is one.
5670         (Symbol_value::has_output_value): New method defintiion.
5671         (Sized_relobj::Compute_final_local_value_status): New enum type.
5672         (Sized_relobj::compute_final_local_value): New methods.
5673         (Sized_relobj::compute_final_local_value_internal): New methods.
5674         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
5675         and arm_cortex_a8.sh.
5676         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
5677         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
5678         New tests.
5679         * Makefile.in: Regenerate.
5680         * testsuite/arm_bl_out_of_range.s: Update test.
5681         * testsuite/thumb_bl_out_of_range.s: Ditto.
5682         * testsuite/thumb_blx_out_of_range.s: Ditto.
5683         * testsuite/arm_branch_out_of_range.sh: New file.
5684         * testsuite/arm_cortex_a8.sh: Ditto.
5685         * testsuite/arm_cortex_a8_b.s: Ditto.
5686         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
5687         * testsuite/arm_cortex_a8_b_local.s: Ditto.
5688         * testsuite/arm_cortex_a8_bl.s: Ditto.
5689         * testsuite/arm_cortex_a8_blx.s: Ditto.
5690         * testsuite/arm_cortex_a8_local.s: Ditto.
5691         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
5692         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
5693
5694 2010-09-08  Rafael Espindola  <espindola@google.com>
5695
5696         * Makefile.am (memory_test.stdout): Run readelf with -W.
5697         * Makefile.in: Regenerate.
5698         * testsuite/memory_test.sh: Make the regexps accept both 32 and
5699         64 bit output.
5700
5701 2010-09-08  Rafael Espindola  <espindola@google.com>
5702
5703         * script-sections.cc (Script_sections::add_memory_region): Convert
5704         field precision to int.
5705         * script.cc (script_set_section_region, script_set_section_region):
5706         Convert field precision to int.
5707
5708 2010-09-08  Rafael Espindola  <espindola@google.com>
5709
5710         * arm.cc (do_finalize_sections): Create the __exidx_start and
5711         __exdix_end symbols even when the section is missing.
5712
5713 2010-09-08  Nick Clifton  <nickc@redhat.com>
5714
5715         * README: Remove claim that MEMORY is not supported.
5716         * expression.cc (script_exp_function_origin)
5717         (script_exp_function_length): Move from here to ...
5718         * script.cc: ... here.
5719         (script_set_section_region, script_add_memory)
5720         (script_parse_memory_attr, script_include_directive): New
5721         functions.
5722         * script-sections.cc
5723         (class Memory_region): New class.
5724         (class Output_section_definition): Add set_memory_region,
5725         set_section_vma, set_section_lma and get_section_name methods.
5726         (class Script_Sections): Add add_memory_region,
5727         find_memory_region, find_memory_region_origin,
5728         find_memory_region_length and set_memory_region methods.
5729         Have set_section_addresses method walk the list of set memory
5730         regions.
5731         Extend the print methos to display memory regions.
5732         * script-sections.h: Add prototypes for new methods.
5733         Add enum for MEMORY region attributes.
5734         * yyscript.y: Add support for parsing MEMORY regions.
5735         * script-c.h: Add prototypes for new functions.
5736         * testsuite/Makefile.am: Add test of MEMORY region functionality.
5737         * testsuite/Makefile.in: Regenerate.
5738         * testsuite/memory_test.sh: New script.
5739         * testsuite/memory_test.s: New assembler source file.
5740         * testsuite/memory_test.t: New linker script.
5741
5742 2010-08-27  Doug Kwan  <dougkwan@google.com>
5743
5744         * gold/resolve.cc (Symbol_table::should_override): Let a weak
5745         reference override an existing dynamic weak reference.
5746         * testsuite/Makefile.am: Add new test dyn_weak_ref.
5747         * testsuite/Makefile.in: Regenerate.
5748         * testsuite/dyn_weak_ref.sh: New file.
5749         * testsuite/dyn_weak_ref_1.c: Ditto.
5750         * testsuite/dyn_weak_ref_2.c: Ditto.
5751
5752 2010-08-27  Ian Lance Taylor  <iant@google.com>
5753
5754         * incremental.h (class Incremental_input_entry): Add virtual
5755         destructor.
5756
5757 2010-08-27  Ian Lance Taylor  <iant@google.com>
5758
5759         * testsuite/start_lib_test_3.c: Mark t3 as used.
5760
5761 2010-08-27  Nick Clifton  <nickc@redhat.com>
5762
5763         * options.cc (version_script): Fix small typo in previous
5764         whitespace tidyup.
5765
5766 2010-08-25  Nick Clifton  <nickc@redhat.com>
5767
5768         * archive.cc: Formatting fixes: Remove whitespace between
5769         typename and following asterisk.  Remove whitespace between
5770         function name and opening parenthesis.
5771         * archive.h: Likewise.
5772         * arm.cc: Likewise.
5773         * attributes.cc: Likewise.
5774         * attributes.h: Likewise.
5775         * common.cc: Likewise.
5776         * copy-relocs.cc: Likewise.
5777         * dirsearch.h: Likewise.
5778         * dynobj.cc: Likewise.
5779         * ehframe.cc: Likewise.
5780         * ehframe.h: Likewise.
5781         * expression.cc: Likewise.
5782         * fileread.cc: Likewise.
5783         * fileread.h: Likewise.
5784         * gc.h: Likewise.
5785         * gold-threads.cc: Likewise.
5786         * gold.cc: Likewise.
5787         * i386.cc: Likewise.
5788         * icf.h: Likewise.
5789         * incremental-dump.cc: Likewise.
5790         * incremental.cc: Likewise.
5791         * layout.cc: Likewise.
5792         * layout.h: Likewise.
5793         * main.cc: Likewise.
5794         * merge.cc: Likewise.
5795         * merge.h: Likewise.
5796         * object.cc: Likewise.
5797         * object.h: Likewise.
5798         * options.cc: Likewise.
5799         * options.h: Likewise.
5800         * output.cc: Likewise.
5801         * output.h: Likewise.
5802         * plugin.cc: Likewise.
5803         * plugin.h: Likewise.
5804         * powerpc.cc: Likewise.
5805         * reloc.cc: Likewise.
5806         * script-c.h: Likewise.
5807         * script-sections.cc: Likewise.
5808         * script.cc: Likewise.
5809         * stringpool.cc: Likewise.
5810         * symtab.cc: Likewise.
5811         * symtab.h: Likewise.
5812         * target.cc: Likewise.
5813         * timer.cc: Likewise.
5814         * timer.h: Likewise.
5815         * version.cc: Likewise.
5816         * x86_64.cc: Likewise.
5817
5818 2010-08-24  Nick Clifton  <nickc@redhat.com>
5819
5820         PR 11899
5821         * layout.cc (segment_precedes): Sort segments by their physical
5822         addresses, if they have been set.
5823
5824 2010-08-23  Cary Coutant  <ccoutant@google.com>
5825
5826         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5827         symbols data.
5828         (Lib_group::include_member): Unlock object after deleting its
5829         symbols data.
5830         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5831         the bug fixed here.
5832
5833 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5834             Cary Coutant  <ccoutant@google.com>
5835
5836         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5837         constructor, and set_blocker.
5838         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5839         readsyms_blocker_.
5840         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5841         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5842         * testsuite/Makefile.am (start_lib_test): New test case.
5843         * testsuite/Makefile.in: Regenerate.
5844         * testsuite/start_lib_test_main.c: New file.
5845         * testsuite/start_lib_test_1.c: New file.
5846         * testsuite/start_lib_test_2.c: New file.
5847         * testsuite/start_lib_test_3.c: New file.
5848
5849 2010-08-19  Ian Lance Taylor  <iant@google.com>
5850
5851         * Makefile.in: Rebuild with automake 1.11.1.
5852         * aclocal.m4: Likewise.
5853         * testsuite/Makefile.in: Likewise.
5854
5855 2010-08-19  Ian Lance Taylor  <iant@google.com>
5856
5857         PR 10893
5858         * i386.cc (class Output_data_plt_i386): Update declarations.
5859         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5860         local_ifuncs_ fields.
5861         (Target_i386::do_plt_section_for_global): New function.
5862         (Target_i386::do_plt_section_for_local): New function.
5863         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5864         parameter; change all callers.  Initialize global_ifuncs_ and
5865         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5866         __rel_iplt_end.
5867         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5868         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5869         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5870         symbols.
5871         (Target_i386::make_plt_section): New function, broken out of
5872         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5873         (Target_i386::make_plt_entry): Call make_plt_section.
5874         (Target_i386::make_local_ifunc_plt_entry): New function.
5875         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5876         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5877         R_386_IRELATIVE to switch.
5878         (Target_i386::Scan::global): Likewise.
5879         (Target_i386::Relocate::relocate): Likewise.
5880         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5881         switch.
5882         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5883         (Target_x86_64::do_plt_section_for_global): New function.
5884         (Target_x86_64::do_plt_section_for_local): New function.
5885         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5886         parameter; change all callers.  If doing a static link define
5887         __rela_iplt_start and __rela_iplt_end.
5888         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5889         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5890         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5891         to point to .plt.
5892         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5893         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5894         switch.
5895         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5896         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5897         R_X86_64_IRELATIVE to switch.
5898         (Target_x86_64::Scan::global): Likewise.
5899         (Target_x86_64::Relocate::relocate): Likewise.
5900         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5901         switch.
5902         * target.h (class Target): Add plt_section_for_global and
5903         plt_section_for_local functions.  Add do_plt_section_for_global
5904         and do_plt_section_for_local virtual functions.
5905         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5906         clarifying comments.
5907         (Symbol::use_plt_offset): Handle IFUNC symbol.
5908         * object.cc (Sized_relobj::Sized_relobj): Initialize
5909         local_plt_offsets_.
5910         (Sized_relobj::local_has_plt_offset): New function.
5911         (Sized_relobj::local_plt_offset): New function.
5912         (Sized_relobj::set_local_plt_offset): New function.
5913         (Sized_relobj::do_count): Handle IFUNC symbol.
5914         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
5915         a bit away from input_shndx_ field.  Add set_is_func_symbol and
5916         is_ifunc_symbol functions.
5917         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
5918         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
5919         local_plt_offsets_ field.
5920         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
5921         * output.h (class Output_section_data): Add non-const
5922         output_section function.
5923         (class Output_data_got): Update declarations.
5924         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
5925         Add use_plt_offset parameter to global and local constructors.
5926         Change all callers.  Change local_sym_index_ field to 31 bits.
5927         Change GSYM_CODE and CONSTANT_CODE accordingly.
5928         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
5929         doing a static link don't set sh_link field.
5930         (Output_data_got::Got_entry::write): Use PLT offset if
5931         appropriate.
5932         (Output_data_got::add_global_plt): New function.
5933         (Output_data_got::add_local_plt): New function.
5934         * target-reloc.h (relocate_section): Handle IFUNC symbol.
5935         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
5936         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
5937         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
5938         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
5939         IFUNC conditional.
5940         * testsuite/ifunc-sel.h: New file.
5941         * testsuite/ifuncmain1.c: New file.
5942         * testsuite/ifuncmain1vis.c: New file.
5943         * testsuite/ifuncmod1.c: New file.
5944         * testsuite/ifuncdep2.c: New file.
5945         * testsuite/ifuncmain2.c: New file.
5946         * testsuite/ifuncmain3.c: New file.
5947         * testsuite/ifuncmod3.c: New file.
5948         * testsuite/ifuncmain4.c: New file.
5949         * testsuite/ifuncmain5.c: New file.
5950         * testsuite/ifuncmod5.c: New file.
5951         * testsuite/ifuncmain6pie.c: New file.
5952         * testsuite/ifuncmod6.c: New file.
5953         * testsuite/ifuncmain7.c: New file.
5954         * configure, testsuite/Makefile.in: Rebuild.
5955
5956 2010-08-18  Ian Lance Taylor  <iant@google.com>
5957
5958         * incremental.cc
5959         (Output_section_incremental_inputs::write_input_files): Add cast
5960         to avoid signed/unsigned comparison warning.
5961         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5962
5963 2010-08-12  Cary Coutant  <ccoutant@google.com>
5964
5965         * common.cc (Sort_commons::operator()): Remove unnecessary code.
5966
5967 2010-08-13  Ian Lance Taylor  <iant@google.com>
5968
5969         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
5970
5971 2010-08-12  Cary Coutant  <ccoutant@google.com>
5972             Doug Kwan  <dougkwan@google.com>
5973
5974         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5975         defintion overrides non-weak undef, remember that the original undef
5976         is not weak.
5977         * symtab.cc (Symbol_table::sized_write_global): For undef without
5978         an original weak binding, set binding to global in output.
5979         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5980         * testsuite/Makefile.in: Regenerate.
5981         * testsuite/strong_ref_weak_def.sh: New file.
5982         * testsuite/strong_ref_weak_def_1.c: Ditto.
5983         * testsuite/strong_ref_weak_def_2.c: Ditto.
5984
5985 2010-08-12  Cary Coutant  <ccoutant@google.com>
5986
5987         * testsuite/incremental_test.sh: Rewrite.
5988         * testsuite/incremental_test_1.c: Rewrite.
5989         * testsuite/incremental_test_2.c: Rewrite.
5990
5991 2010-08-12  Cary Coutant  <ccoutant@google.com>
5992
5993         * arm.cc (Target_arm::got_size): Add const.
5994         (Target_arm::got_entry_count): New function.
5995         (Target_arm::plt_entry_count): New function.
5996         (Target_arm::first_plt_entry_offset): New function.
5997         (Target_arm::plt_entry_size): New function.
5998         (Output_data_plt_arm::entry_count): New function.
5999         (Output_data_plt_arm::first_plt_entry_offset): New function.
6000         (Output_data_plt_arm::get_plt_entry_size): New function.
6001         * i386.cc (Target_i386::got_size): Add const.
6002         (Target_i386::got_entry_count): New function.
6003         (Target_i386::plt_entry_count): New function.
6004         (Target_i386::first_plt_entry_offset): New function.
6005         (Target_i386::plt_entry_size): New function.
6006         (Output_data_plt_i386::entry_count): New function.
6007         (Output_data_plt_i386::first_plt_entry_offset): New function.
6008         (Output_data_plt_i386::get_plt_entry_size): New function.
6009         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
6010         find_incremental_inputs_sections.  Dump incremental_got_plt section.
6011         * incremental.cc: Include target.h.
6012         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
6013         parameter.  Adjust all callers.  Find incremental_got_plt section.
6014         (Incremental_inputs::create_data_sections): Create incremental_got_plt
6015         section.
6016         (Output_section_incremental_inputs::set_final_data_size): Calculate
6017         size of incremental_got_plt section.
6018         (Output_section_incremental_inputs::do_write): Write the
6019         incremental_got_plt section.
6020         (Got_plt_view_info): New struct.
6021         (Local_got_offset_visitor): New class.
6022         (Global_got_offset_visitor): New class.
6023         (Global_symbol_visitor_got_plt): New class.
6024         (Output_section_incremental_inputs::write_got_plt): New function.
6025         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
6026         Add parameter.  Adjust all callers.
6027         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
6028         (Incremental_inputs::got_plt_section): New function.
6029         (Incremental_inputs::got_plt_section_): New data member.
6030         (Incremental_got_plt_reader): New class.
6031         * layout.cc (Layout::create_incremental_info_sections): Add the
6032         incremental_got_plt section.
6033         * object.h (Got_offset_list::get_list): New function.
6034         (Got offset_list::for_all_got_offsets): New function.
6035         (Sized_relobj::local_got_offset_list): New function.
6036         * powerpc.cc (Target_powerpc::got_size): Add const.
6037         (Target_powerpc::got_entry_count): New function.
6038         (Target_powerpc::plt_entry_count): New function.
6039         (Target_powerpc::first_plt_entry_offset): New function.
6040         (Target_powerpc::plt_entry_size): New function.
6041         (Output_data_plt_powerpc::entry_count): New function.
6042         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
6043         (Output_data_plt_powerpc::get_plt_entry_size): New function.
6044         * sparc.cc (Target_sparc::got_size): Add const.
6045         (Target_sparc::got_entry_count): New function.
6046         (Target_sparc::plt_entry_count): New function.
6047         (Target_sparc::first_plt_entry_offset): New function.
6048         (Target_sparc::plt_entry_size): New function.
6049         (Output_data_plt_sparc::entry_count): New function.
6050         (Output_data_plt_sparc::first_plt_entry_offset): New function.
6051         (Output_data_plt_sparc::get_plt_entry_size): New function.
6052         * symtab.h (Symbol::got_offset_list): New function.
6053         (Symbol_table::for_all_symbols): New function.
6054         * target.h (Sized_target::got_entry_count): New function.
6055         (Sized_target::plt_entry_count): New function.
6056         (Sized_target::plt_entry_size): New function.
6057         * x86_64.cc (Target_x86_64::got_size): Add const.
6058         (Target_x86_64::got_entry_count): New function.
6059         (Target_x86_64::plt_entry_count): New function.
6060         (Target_x86_64::first_plt_entry_offset): New function.
6061         (Target_x86_64::plt_entry_size): New function.
6062         (Output_data_plt_x86_64::entry_count): New function.
6063         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
6064         (Output_data_plt_x86_64::get_plt_entry_size): New function.
6065
6066 2010-08-12  Cary Coutant  <ccoutant@google.com>
6067
6068         * archive.cc: Include incremental.h.
6069         (Archive::Archive): Initialize incremental_info_.
6070         (Archive::include_member): Record archive members in incremental info.
6071         (Add_archive_symbols::run): Record begin and end of an archive in
6072         incremental info.
6073         (Lib_group::include_member): Record objects in incremental info.
6074         * archive.h (Incremental_archive_entry): Forward declaration.
6075         (Archive::set_incremental_info): New member function.
6076         (Archive::incremental_info): New member function.
6077         (Archive::Unused_symbol_iterator): New class.
6078         (Archive::unused_symbols_begin): New member function.
6079         (Archive::unused_symbols_end): New member function.
6080         (Archive::incremental_info_): New data member.
6081         * incremental-dump.cc (find_input_containing_global): New function.
6082         (dump_incremental_inputs): Dump new incremental info sections.
6083         * incremental.cc: Include symtab.h.
6084         (Output_section_incremental_inputs): New class.
6085         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
6086         new incremental info sections.
6087         (Sized_incremental_binary::do_check_inputs): Likewise.
6088         (Incremental_inputs::report_archive): Remove.
6089         (Incremental_inputs::report_archive_begin): New function.
6090         (Incremental_inputs::report_archive_end): New function.
6091         (Incremental_inputs::report_object): New function.
6092         (Incremental_inputs::finalize_inputs): Remove.
6093         (Incremental_inputs::report_input_section): New function.
6094         (Incremental_inputs::report_script): Rewrite.
6095         (Incremental_inputs::finalize): Do nothing but finalize string table.
6096         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
6097         (Incremental_inputs::sized_create_inputs_section_data): Remove.
6098         (Incremental_inputs::create_data_sections): New function.
6099         (Incremental_inputs::relocs_entsize): New function.
6100         (Output_section_incremental_inputs::set_final_data_size): New function.
6101         (Output_section_incremental_inputs::do_write): New function.
6102         (Output_section_incremental_inputs::write_header): New function.
6103         (Output_section_incremental_inputs::write_input_files): New function.
6104         (Output_section_incremental_inputs::write_info_blocks): New function.
6105         (Output_section_incremental_inputs::write_symtab): New function.
6106         * incremental.h (Incremental_script_entry): Forward declaration.
6107         (Incremental_object_entry): Forward declaration.
6108         (Incremental_archive_entry): Forward declaration.
6109         (Incremental_inputs): Forward declaration.
6110         (Incremental_inputs_header_data): Remove.
6111         (Incremental_inputs_header): Remove.
6112         (Incremental_inputs_header_write): Remove.
6113         (Incremental_inputs_entry_data): Remove.
6114         (Incremental_inputs_entry): Remove.
6115         (Incremental_inputs_entry_write): Remove.
6116         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
6117         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
6118         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
6119         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
6120         Likewise.
6121         (Incremental_input_entry): New class.
6122         (Incremental_script_entry): New class.
6123         (Incremental_object_entry): New class.
6124         (Incremental_archive_entry): New class.
6125         (Incremental_inputs::Incremental_inputs): Initialize new data members.
6126         (Incremental_inputs::report_inputs): Remove.
6127         (Incremental_inputs::report_archive): Remove.
6128         (Incremental_inputs::report_archive_begin): New function.
6129         (Incremental_inputs::report_archive_end): New function.
6130         (Incremental_inputs::report_object): Change prototype.
6131         (Incremental_inputs::report_input_section): New function.
6132         (Incremental_inputs::report_script): Change prototype.
6133         (Incremental_inputs::get_reloc_count): New function.
6134         (Incremental_inputs::set_reloc_count): New function.
6135         (Incremental_inputs::create_data_sections): New function.
6136         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
6137         (Incremental_inputs::inputs_section): New function.
6138         (Incremental_inputs::symtab_section): New function.
6139         (Incremental_inputs::relocs_section): New function.
6140         (Incremental_inputs::get_stringpool): Add const.
6141         (Incremental_inputs::command_line): Add const.
6142         (Incremental_inputs::inputs): Remove.
6143         (Incremental_inputs::command_line_key): New function.
6144         (Incremental_inputs::input_file_count): New function.
6145         (Incremental_inputs::input_files): New function.
6146         (Incremental_inputs::relocs_entsize): New function.
6147         (Incremental_inputs::sized_create_inputs_section_data): Remove.
6148         (Incremental_inputs::finalize_inputs): Remove.
6149         (Incremental_inputs::Input_info): Remove.
6150         (Incremental_inputs::lock_): Remove.
6151         (Incremental_inputs::inputs_): Change type.
6152         (Incremental_inputs::inputs_map_): Remove.
6153         (Incremental_inputs::current_object_entry_): New data member.
6154         (Incremental_inputs::inputs_section_): New data member.
6155         (Incremental_inputs::symtab_section_): New data member.
6156         (Incremental_inputs::relocs_section_): New data member.
6157         (Incremental_inputs::reloc_count_): New data member.
6158         (Incremental_inputs_reader): New class.
6159         (Incremental_symtab_reader): New class.
6160         (Incremental_relocs_reader): New class.
6161         * layout.cc (Layout::finalize): Move finalization of incremental info
6162         and creation of incremental info sections to follow finalization of
6163         symbol table.  Set offsets for postprocessing sections.
6164         (Layout::create_incremental_info_sections): Call
6165         Incremental_inputs::create_data_sections.  Add incremental symtab
6166         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
6167         sections to layout after input sections.
6168         * layout.h (struct Timespec): Forward declaration.
6169         (Layout::incremental_inputs): Add const.
6170         (Layout::create_incremental_info_sections): Add parameter.
6171         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
6172         * object.cc: Include incremental.h.
6173         (Relobj::finalize_incremental_relocs): New function.
6174         (Sized_relobj::do_layout): Record input sections in incremental info.
6175         * object.h (Object::output_section): New function.
6176         (Object::output_section_offset): Moved from Relobj.
6177         (Object::get_incremental_reloc_base): New function.
6178         (Object::get_incremental_reloc_count): New function.
6179         (Object::do_output_section): New function.
6180         (Object::do_output_section_offset): Moved from Relobj.
6181         (Object::do_get_incremental_reloc_base): New function.
6182         (Object::do_get_incremental_reloc_count): New function.
6183         (Object::Object): Initialize new data members.
6184         (Relobj::output_section): Renamed do_output_section and moved to
6185         protected.
6186         (Relobj::output_section_offset): Moved to Object.
6187         (Relobj::do_get_incremental_reloc_base): New function.
6188         (Relobj::do_get_incremental_reloc_count): New function.
6189         (Relobj::allocate_incremental_reloc_counts): New function.
6190         (Relobj::count_incremental_reloc): New function.
6191         (Relobj::finalize_incremental_relocs): New function.
6192         (Relobj::next_incremental_reloc_index): New function.
6193         (Relobj::reloc_counts_): New data member.
6194         (Relobj::reloc_bases_): New data member.
6195         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
6196         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
6197         (Sized_relobj::incremental_relocs_scan): New function.
6198         (Sized_relobj::incremental_relocs_scan_reltype): New function.
6199         (Sized_relobj::incremental_relocs_write): New function.
6200         (Sized_relobj::incremental_relocs_write_reltype): New function.
6201         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
6202         incremental link.
6203         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
6204         archives and object files elsewhere.
6205         (Add_symbols::run): Report object files here.
6206         (Finish_group::run): Report end of archive at end of group.
6207         * reloc.cc: Include layout.h, incremental.h.
6208         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
6209         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
6210         (Sized_relobj::incremental_relocs_scan): New function.
6211         (Sized_relobj::incremental_relocs_scan_reltype): New function.
6212         (Sized_relobj::do_relocate_sections): Write incremental relocations.
6213         (Sized_relobj::incremental_relocs_write): New function.
6214         (Sized_relobj::incremental_relocs_write_reltype): New function.
6215         * script.cc (read_input_script): Rewrite test for incremental link.
6216         Change call to Incremental_inputs::report_script.
6217         * symtab.h (Symbol_table::first_global_index): New function.
6218         (Symbol_table::output_count): New function.
6219
6220 2010-08-12  Doug Kwan  <dougkwan@google.com>
6221
6222         * arm.cc (Target_arm::merge_object_attributes): Check command line
6223         options --no-wchar-size-warning and --no-enum-size-warning.
6224         * options.h (General_options): Add ld-compatible options
6225         --no-enum-size-warning and --no-wchar-size-warning.
6226
6227 2010-08-04  Ian Lance Taylor  <iant@google.com>
6228
6229         * x86_64.cc (Target_x86_64::Scan::local): Use
6230         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
6231         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
6232         (Target_x86_64::Scan::global): Likewise.
6233         (Target_x86_64::Relocate::relocate): Likewise.
6234         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
6235         Likewise.
6236
6237 2010-08-03  Cary Coutant  <ccoutant@google.com>
6238
6239         * merge.cc (Output_merge_string::do_add_input_section): Count strings
6240         to reserve space in merged_strings vector. Keep total input size
6241         for stats.
6242         (Output_merge_string::do_print_merge_stats): Print total input size.
6243         * merge.h (Output_merge_string): Add input_size_ field.
6244         * stringpool.cc (Stringpool_template::string_length): Move
6245         implementations out of Stringpool_template class and place in
6246         stringpool.h.
6247         * stringpool.h (string_length): Move out of Stringpool_template.
6248
6249 2010-08-03  Ian Lance Taylor  <iant@google.com>
6250
6251         PR 11712
6252         * layout.cc (relaxation_loop_body): If address of load segment is
6253         set, adjust address to include headers if possible.
6254
6255 2010-08-03  Ian Lance Taylor  <iant@google.com>
6256
6257         * version.cc (version_string): Bump to 1.10.
6258
6259 2010-08-03  Ian Lance Taylor  <iant@google.com>
6260
6261         PR 11805
6262         * layout.h (enum Output_section_order): Define.
6263         (class Layout): Update declarations.
6264         * layout.cc (Layout::get_output_section): Add order parameter.
6265         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
6266         is_first_non_relro parameters.  Change all callers.
6267         (Layout::choose_output_section): Likewise.
6268         (Layout::add_output_section_data): Likewise.
6269         (Layout::make_output_section): Likewise.  Set order.
6270         (Layout::default_section_order): New function.
6271         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
6272         * output.cc (Output_section::Output_section): Initialize order_.
6273         Don't initialize deleted fields.
6274         (Output_segment::Output_segment): Don't initialize deleted
6275         fields.
6276         (Output_segment::add_output_section_to_load): New function
6277         replacing add_output_section.  Change all callers to call this or
6278         add_output_section_to_nonload.
6279         (Output_segment::add_output_section_to_nonload): New function.
6280         (Output_segment::remove_output_section): Rewrite.
6281         (Output_segment::add_initial_output_data): Likewise.
6282         (Output_segment::has_any_data_sections): Likewise.
6283         (Output_segment::is_first_section_relro): Likewise.
6284         (Output_segment::maximum_alignment): Likewise.
6285         (Output_segment::has_dynamic_reloc): New function replacing
6286         dynamic_reloc_count.  Change all callers.
6287         (Output_segment::has_dynamic_reloc_list): New function replacing
6288         dynamic_reloc_count_list.  Change all callers.
6289         (Output_segment::set_section_addresses): Rewrite.
6290         (Output_segment::set_offset): Rewrite.
6291         (Output_segment::find_first_and_last_list): Remove.
6292         (Output_segment::set_tls_offsets): Rewrite.
6293         (Output_segment::first_section_load_address): Likewise.
6294         (Output_segment::output_section_count): Likewise.
6295         (Output_segment::section_with_lowest_load_address): Likewise.
6296         (Output_segment::write_section_headers): Likewise.
6297         (Output_segment::print_sections_to_map): Likewise.
6298         * output.h (class Output_data): Remove dynamic_reloc_count_
6299         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
6300         (Output_data::add_dynamic_reloc): Rewrite.
6301         (Output_data::has_dynamic_reloc): New function.
6302         (Output_data::dynamic_reloc_count): Remove.
6303         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
6304         is_last_relro_, is_first_non_relro_, is_interp_,
6305         is_dynamic_linker_section_ fields.  Add order and set_order
6306         functions.  Remove is_relro_local, set_is_relro_local,
6307         is_last_relro, set_is_last_relro, is_first_non_relro,
6308         set_is_first_non_relro functions, is_interp, set_is_interp,
6309         is_dynamic_linker_section, and set_is_dynamic_linker_section
6310         functions.
6311         (class Output_segment): Change Output_data_list from std::list to
6312         std:;vector.  Add output_lists_ field.  Remove output_data_ and
6313         output_bss_ fields.  Update declarations.
6314
6315 2010-08-02  Ian Lance Taylor  <iant@google.com>
6316
6317         * arm.cc (Target_arm::gc_process_relocs): Use typename.
6318         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
6319         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
6320
6321 2010-08-02  Ian Lance Taylor  <iant@google.com>
6322
6323         PR 11855
6324         * script.cc (Script_options::Script_options): Initialize
6325         symbol_definitions_ and symbol_references_.
6326         (Script_options::add_symbol_assignment): Update
6327         symbol_definitions_ and symbol_references_.
6328         (Script_options::add_symbol_reference): New function.
6329         (script_symbol): New function.
6330         * script.h (class Script_options): Add symbol_definitions_ and
6331         symbol_references_ fields.
6332         (Script_options::referenced_const_iterator): New type.
6333         (Script_options::referenced_begin): New function.
6334         (Script_options::referenced_end): New function.
6335         (Script_options::is_referenced): New function.
6336         (Script_options::any_unreferenced): New function.
6337         * script-c.h (script_symbol): Declare.
6338         * yyscript.y (exp): Call script_symbol.
6339         * symtab.cc: Include "script.h".
6340         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
6341         Change all callers.  Check symbols referenced by scripts.
6342         (Symbol_table::add_undefined_symbols_from_command_line): Add
6343         layout parameter.  Change all callers.
6344         (Symbol_table::do_add_undefined_symbols_from_command_line):
6345         Likewise.  Break out loop body.  Check symbols referenced by
6346         scripts.
6347         (Symbol_table::add_undefined_symbol_from_command_line): New
6348         function broken out of
6349         do_add_undefined_symbols_from_command_line.
6350         * symtab.h (class Symbol_table): Update declarations.
6351         * archive.cc: Include "layout.h".
6352         (Archive::should_include_member): Add layout parameter.  Change
6353         all callers.  Check for symbol mentioned in expression.
6354         * archive.h (class Archive): Update declaration.
6355         * object.cc (Sized_relobj::do_should_include_member): Add layout
6356         parameter.
6357         * object.h (Object::should_include_member): Add layout parameter.
6358         Change all callers.
6359         (Object::do_should_include_member): Add layout parameter.
6360         (class Sized_relobj): Update declaration.
6361         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
6362         parameter.
6363         * dynobj.h (class Sized_dynobj): Update declaration.
6364         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
6365         layout parameter.
6366         * plugin.h (class Sized_pluginobj): Update declaration.
6367
6368 2010-08-02  Ian Lance Taylor  <iant@google.com>
6369
6370         PR 11866
6371         * output.cc (Output_segment::set_offset): Search for the first and
6372         last sections rather than assuming that the list is in order.
6373         (Output_segment::find_first_and_last_list): New function.
6374         * output.h (class Output_segment): Update declarations.
6375         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
6376         (relro_strip_test_SOURCES): New variable.
6377         (relro_strip_test_DEPENDENCIES): New variable.
6378         (relro_strip_test_LDFLAGS): New variable.
6379         (relro_strip_test_LDADD): New variable.
6380         (relro_strip_test.so): New target.
6381
6382 2010-08-02  Ian Lance Taylor  <iant@google.com>
6383
6384         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
6385         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
6386         (Target_i386::got_tlsdesc_section): New function.
6387         (Target_i386::got_section): Create space for GOT entries for
6388         TLSDESC relocations.
6389         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
6390         R_386_TLS_GOTDESC.
6391         (Target_i386::Scan::global): Likewise.
6392         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
6393         using TLSDESC GOT.
6394         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
6395         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
6396         (Target_x86_64::got_tlsdesc_section): New function.
6397         (Target_x86_64::got_section): Create space for GOT entries for
6398         TLSDESC relocations.
6399         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
6400         R_386_TLS_GOTDESC.
6401         (Target_x86_64::Scan::global): Likewise.
6402         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
6403         using TLSDESC GOT.
6404
6405 2010-08-02  Ian Lance Taylor  <iant@google.com>
6406
6407         * testsuite/final_layout.sh: Use dc to convert from hex to
6408         decimal.
6409
6410 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
6411
6412         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
6413         paramter to the call to gold::gc_process_relocs.
6414         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
6415         paramter to the call to gold::gc_process_relocs.
6416         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
6417         parameter to the call to gold::gc_process_relocs.
6418         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
6419         template parameter to the call to gold::gc_process_relocs.
6420         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
6421         paramter to the call to gold::gc_process_relocs.
6422         * gc.h (get_embedded_addend_size): New function.
6423         (gc_process_relocs): Save the size of the reloc for use by ICF.
6424         * icf.cc (get_section_contents): Get the addend from the text section
6425         for SHT_REL relocation sections.
6426         * icf.h (Icf::Reloc_addend_size_info): New typedef.
6427         (Icf::Reloc_info): Add new member reloc_addend_size_info.
6428         * int_encoding.h (read_from_pointer): New overloaded function.
6429         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
6430         * testsuite/icf_sht_rel_addend_test.sh: New file.
6431         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
6432         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
6433
6434 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6435
6436         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
6437         * Makefile.in: Regenerate.
6438         * testsuite/Makefile.in: Regenerate.
6439
6440 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
6441
6442         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
6443         * gold/testsuite/debug_msg.cc: Likewise.
6444         * gold/testsuite/odr_violation1.cc
6445         * gold/testsuite/odr_violation2.cc
6446
6447 2010-07-21  Cary Coutant  <ccoutant@google.com>
6448
6449         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
6450         string, and length fields.
6451         (Output_merge_string::Merged_strings_list): New type.
6452         (Output_merge_string::Merged_strings_lists): New typedef.
6453         (Output_merge_string): Replace merged_strings_ with
6454         merged_strings_lists_.
6455         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
6456         Merged_strings_list per input object and section.  Don't store pointer
6457         to the string.  Don't store length with each merged string entry.
6458         (Output_merge_string::finalize_merged_data): Loop over list of merged
6459         strings lists.  Recompute length of each merged string.
6460
6461 2010-07-15  Cary Coutant  <ccoutant@google.com>
6462
6463         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
6464         here.
6465
6466 2010-07-14  Ian Lance Taylor  <iant@google.com>
6467
6468         * descriptors.cc (Descriptors::open): Report correct name in error
6469         message.
6470
6471 2010-07-13  Doug Kwan  <dougkwan@google.com>
6472
6473         * arm.cc (Arm_input_section::Arm_input_section): For a
6474         SHT_ARM_EXIDX section, always keeps the input sections.
6475         (Arm_input_section::set_exidx_section_link): New method.
6476         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
6477         has_errors_ to false.
6478         (Arm_exidx_input_section::has_errors,
6479         Arm_exidx_input_section::set_has_errors): New methods.
6480         (Arm_exidx_input_section::has_errors_): New data member.
6481         (Arm_relobj::get_exidx_shndx_list): New method.
6482         (Arm_output_section::append_text_sections_to_list): Do not skip
6483         section without SHF_EXECINSTR.
6484         (Arm_output_section::fix_exidx_coverage): Skip input sections with
6485         errors.
6486         (Arm_relobj::make_exidx_input_section): Add new parameter for text
6487         section header.  Make error messages more verbose.  Check for
6488         a non-executable section linked to an EXIDX section.
6489         (Arm_relobj::do_read_symbols): Remove error checking, which has been
6490         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
6491         check that there is no deferred EXIDX section if we exit early.
6492         Instead of not making an EXIDX section in case of an error, make one
6493         and set the has_errors flag of it.
6494         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
6495         in a relocatable link.
6496         (Target_arm::do_relax): Look for the EXIDX output section instead of
6497         assuming that it is called .ARM.exidx.
6498         (Target_arm::fix_exidx_coverage): Add a new parameter for input
6499         section list.  Do not check for SHF_EXECINSTR section flags but
6500         skip any input section with errors.
6501         * output.cc (Output_section::Output_section): Initialize
6502         always_keeps_input_sections_ to false.
6503         (Output_section::add_input_section): Check for
6504         always_keeps_input_sections_.
6505         *  output.h (Output_section::always_keeps_input_sections,
6506         Output_section::set_always_keeps_input_sections): New methods.
6507         (Output_section::always_keeps_input_sections): New data member.
6508
6509 2010-07-13  Rafael Espindola  <espindola@google.com>
6510
6511         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
6512         * fileread.h (Input_file): Add try_extra_search_path and find_file.
6513
6514 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
6515             Ian Lance Taylor  <iant@google.com>
6516
6517         * output.h (Output_section_lookup_maps::add_merge_section):
6518         Correct check of whether value was inserted.
6519         (Output_section_lookup_maps::add_merge_input_section): Likewise.
6520         (Output_section_lookup_maps::add_relaxed_input_section):
6521         Likewise.
6522         * arm.cc (Target_arm::got_section): Remove used local os.
6523         * i386.cc (Target_i386::got_section): Likewise.
6524         * x86_64.cc (Target_x86_64::got_section): Likewise.
6525         * sparc.cc (Target_sparc::got_section): Likewise.
6526         (Target_sparc::relocate): Remove unused local have_got_offset.
6527         * powerpc.cc (Target_powerpc::relocate): Likewise.
6528
6529 2010-07-13  Ian Lance Taylor  <iant@google.com>
6530
6531         * compressed_output.cc (zlib_decompress): Fix signature in
6532         !HAVE_ZLIB_H case.
6533
6534         * archive.cc (Archive::include_member): Unlock an external member
6535         of a thin archive.  Don't bother to delete an object we know is
6536         NULL.
6537
6538 2010-07-12  Cary Coutant  <ccoutant@google.com>
6539
6540         * compressed_output.cc (zlib_decompress): New function.
6541         (get_uncompressed_size): New function.
6542         (decompress_input_section): New function.
6543         * compressed_output.h (get_uncompressed_size): New function.
6544         (decompress_input_section): New function.
6545         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
6546         Handle compressed debug sections.
6547         * layout.cc (is_compressed_debug_section): New function.
6548         (Layout::output_section_name): Map compressed section names to
6549         canonical names.
6550         * layout.h (is_compressed_debug_section): New function.
6551         (is_debug_info_section): Recognize compressed debug sections.
6552         * merge.cc: Include compressed_output.h.
6553         (Output_merge_data::do_add_input_section): Handle compressed
6554         debug sections.
6555         (Output_merge_string::do_add_input_section): Handle compressed
6556         debug sections.
6557         * object.cc: Include compressed_output.h.
6558         (Sized_relobj::Sized_relobj): Initialize new data members.
6559         (build_compressed_section_map): New function.
6560         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
6561         * object.h (Object::section_is_compressed): New method.
6562         (Object::do_section_is_compressed): New method.
6563         (Sized_relobj::Compressed_section_map): New type.
6564         (Sized_relobj::do_section_is_compressed): New method.
6565         (Sized_relobj::compressed_sections_): New data member.
6566         * output.cc (Output_section::add_input_section): Handle compressed
6567         debug sections.
6568         * reloc.cc: Include compressed_output.h.
6569         (Sized_relobj::write_sections): Handle compressed debug sections.
6570
6571 2010-07-08  Cary Coutant  <ccoutant@google.com>
6572
6573         * resolve.cc (Symbol_table::resolve): Remember whether undef was
6574         weak when resolving to a dynamic def.
6575         (Symbol_table::should_override): Add adjust_dyndef flag; set it
6576         for weak undef/dynamic def cases. Adjust callers.
6577         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
6578         undef_binding_weak_.
6579         (Symbol_table::sized_write_globals): Adjust symbol binding.
6580         (Symbol_table::sized_write_symbol): Add binding parameter.
6581         * symtab.h (Symbol::set_undef_binding): New method.
6582         (Symbol::is_undef_binding_weak): New method.
6583         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
6584         (Symbol_table::should_override): Add new parameter.
6585         (Symbol_table::sized_write_symbol): Add new parameter.
6586
6587         * testsuite/weak_undef_file1.cc: Add new test case.
6588         * testsuite/weak_undef_file2.cc: Fix header comment.
6589         * testsuite/weak_undef_test.cc: Add new test case.
6590
6591 2010-06-29  Doug Kwan  <dougkwan@google.com>
6592
6593         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
6594         Initialize USE_SYMBOL_.
6595         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
6596         definition.
6597         (Arm_reloc_property::uses_symbol_): New data member declaration.
6598         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
6599         uses symbol value and symbol is undefined but not weakly undefined.
6600
6601 2010-06-28  Rafael Espindola  <espindola@google.com>
6602
6603         * plugin.cc (Plugin::load): Use dlerror.
6604
6605 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
6606
6607         * symtab.cc (detect_odr_violations): When reporting an ODR
6608         violation, report an object where the symbol is defined.
6609
6610 2010-06-25  Doug Kwan  <dougkwan@google.com>
6611
6612         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
6613         (Target_arm::section_may_have_icf_unsafe_pointers): New method
6614         definition.
6615         (Target_arm::Scan::local_reloc_may_be_function_pointer,
6616         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
6617         target hook to detect function points.
6618         (Target_arm::Scan::possible_function_pointer_reloc): New method.
6619         * icf.h (Icf::check_section_for_function_pointers): Change type of
6620         parameter SECTION_NAME to const reference to std::string.  Use
6621         target hook to determine if section may have unsafe pointers.
6622         * target.h (Target::section_may_have_icf_unsafe_pointers): New
6623         method definition.
6624
6625 2010-06-21  Rafael Espindola  <espindola@google.com>
6626
6627         * fileread.cc (Input_file::find_fie): New
6628         (Input_file::open): Use Input_file::find_fie.
6629         * fileread.h (Input_file::find_fie): New
6630         * plugin.cc (set_extra_library_path): New.
6631         (Plugin::load): Add set_extra_library_path to the transfer vector.
6632         (Plugin_manager::set_extra_library_path): New.
6633         (Plugin_manager::add_input_file): Use the extra search path if set.
6634         (set_extra_library_path(): New.
6635         * plugin.h (Plugin_manager): Add set_extra_library_path and
6636         extra_search_path_.
6637
6638 2010-06-19  Cary Coutant  <ccoutant@google.com>
6639
6640         * layout.cc (gdb_sections): Add .debug_types.
6641         (lines_only_debug_sections): Likewise.
6642
6643 2010-06-18  Rafael Espindola  <espindola@google.com>
6644
6645         * plugin.cc (add_input_file,add_input_library)
6646         (Plugin_manager::add_input_file): Make filename arguments const.
6647         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
6648         const.
6649
6650 2010-06-16  Doug Kwan  <dougkwan@google.com>
6651
6652         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
6653         .ARM.attributes section if we have not merged any input
6654         attributes sections.
6655
6656 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6657
6658         * arm.cc: Allow combining objects with no EABI version
6659         information.
6660
6661 2010-06-15  Rafael Espindola  <espindola@google.com>
6662
6663         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
6664
6665 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6666
6667         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
6668         (struct iovec): Correct !HAVE_READV definition.
6669
6670 2010-06-10  Cary Coutant  <ccoutant@google.com>
6671
6672         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
6673         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
6674         reloc sections.
6675         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
6676
6677         PR 11683
6678         * symtab.h (Symbol::is_placeholder): New member function.
6679         * target-reloc.h (relocate_section): Check for placeholder symbols.
6680
6681         * testsuite/Makefile.am (plugin_test_8): New test.
6682         (plugin_test_9): New test.
6683         * testsuite/Makefile.in: Regenerate.
6684
6685 2010-06-09  Nick Clifton  <nickc@redhat.com>
6686
6687         * yyscript.y (input_list_element): Allow strings prefixed with
6688         the '-' character.  Treat these as libraries.
6689         * script.cc (script_add_library): New function.  Adds a library
6690         specified by "-l<name>" found in an input script.
6691         * script-c.h: Add prototype for script_add_library.
6692
6693 2010-06-07  Doug Kwan  <dougkwan@google.com>
6694
6695         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
6696         Restrict stub-group size to be within long conditional branch
6697         range when working around cortex-A8 erratum.
6698
6699 2010-06-07  Damien Diederen  <dd@crosstwine.com>
6700
6701         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
6702         #ifdef typo.
6703
6704 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
6705
6706         PR gold/11658
6707         * output.cc
6708         (Output_section::Input_section_sort_entry::compare_section_ordering):
6709         Change to return non-zero correctly.
6710         (Output_section::Input_section_sort_section_order_index_compare
6711         ::operator()): Change to fix ambiguity in comparisons.
6712
6713 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
6714
6715         * gold.h (is_wildcard_string): New function.
6716         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
6717         (Layout::layout_eh_frame): Ditto.
6718         (Layout::find_section_order_index): New method.
6719         (Layout::read_layout_from_file): New method.
6720         * layout.h (Layout::find_section_order_index): New method.
6721         (Layout::read_layout_from_file): New method.
6722         (Layout::input_section_position_): New private member.
6723         (Layout::input_section_glob_): New private member.
6724         * main.cc (main): Call read_layout_from_file here.
6725         * options.h (--section-ordering-file): New option.
6726         * output.cc (Output_section::input_section_order_specified_): New
6727         member.
6728         (Output_section::Output_section): Initialize new member.
6729         (Output_section::add_input_section): Add new parameter.
6730         Keep input sections when --section-ordering-file is used.
6731         (Output_section::set_final_data_size): Sort input sections when
6732         section ordering file is specified.
6733         (Output_section::Input_section_sort_entry): Add new parameter.
6734         Check sorting type.
6735         (Output_section::Input_section_sort_entry::compare_section_ordering):
6736         New method.
6737         (Output_section::Input_section_sort_compare::operator()): Change to
6738         consider section_order_index.
6739         (Output_section::Input_section_sort_init_fini_compare::operator()):
6740         Change to consider section_order_index.
6741         (Output_section::Input_section_sort_section_order_index_compare
6742         ::operator()): New method.
6743         (Output_section::sort_attached_input_sections): Change to sort
6744         according to section order when specified.
6745         (Output_section::add_input_section<32, true>): Add new parameter.
6746         (Output_section::add_input_section<64, true>): Add new parameter.
6747         (Output_section::add_input_section<32, false>): Add new parameter.
6748         (Output_section::add_input_section<64, false>): Add new parameter.
6749         * output.h (Output_section::add_input_section): Add new parameter.
6750         (Output_section::input_section_order_specified): New
6751         method.
6752         (Output_section::set_input_section_order_specified): New method.
6753         (Input_section::Input_section): Initialize section_order_index_.
6754         (Input_section::section_order_index): New method.
6755         (Input_section::set_section_order_index): New method.
6756         (Input_section::section_order_index_): New member.
6757         (Input_section::Input_section_sort_section_order_index_compare): New
6758         struct.
6759         (Output_section::input_section_order_specified_): New member.
6760         * script-sections.cc (is_wildcard_string): Delete and move modified
6761         method to gold.h.
6762         (Output_section_element_input::Output_section_element_input): Modify
6763         call to is_wildcard_string.
6764         (Output_section_element_input::Input_section_pattern
6765         ::Input_section_pattern): Ditto.
6766         (Output_section_element_input::Output_section_element_input): Ditto.
6767         * testsuite/Makefile.am (final_layout): New test case.
6768         * testsuite/Makefile.in: Regenerate.
6769         * testsuite/final_layout.cc: New file.
6770         * testsuite/final_layout.sh: New file.
6771
6772 2010-06-01  Rafael Espindola  <espindola@google.com>
6773
6774         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6775
6776 2010-06-01  Rafael Espindola  <espindola@google.com>
6777
6778         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6779         visibility of symbols.
6780
6781 2010-05-27  Doug Kwan  <dougkwan@google.com>
6782
6783         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6784         from start of output section instead of address for a local symbol
6785         in a merged or relaxed section when doing a relocatable link.
6786
6787 2010-05-26  Rafael Espindola  <espindola@google.com>
6788
6789         PR 11604
6790         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6791         adding sections the garbage collector removed.
6792         * gold/testsuite/Makefile.am: Add test.
6793         * gold/testsuite/Makefile.in: Regenerate.
6794         * gold/testsuite/plugin_test_7.sh: New.
6795         * gold/testsuite/plugin_test_7_1.c: New.
6796         * gold/testsuite/plugin_test_7_2.c: New.
6797
6798 2010-05-26  Rafael Espindola  <espindola@google.com>
6799
6800         * script-sections.cc (Output_section_definition::set_section_addresses):
6801         Check for --section-start.
6802
6803 2010-05-26  Doug Kwan  <dougkwan@google.com>
6804
6805         * arm.cc (Arm_scan_relocatable_relocs): New class.
6806         (Target_arm::relocate_special_relocatable): New method.
6807         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6808         (Arm_relocate_functions::thumb_branch_common): Same.
6809         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6810         instead of Default_scan_relocatable_relocs.
6811         * target-reloc.h (relocate_for_relocatable): Let target handle
6812         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6813         * target.h (Sized_target::relocate_special_relocatable): New method.
6814
6815 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6816
6817         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6818
6819 2010-05-23  Doug Kwan  <dougkwan@google.com>
6820
6821         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6822         instead of a cast.
6823         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6824         with a direct branch, not a conditional branch, to a stub.
6825         * merge.cc (Output_merge_base::record_input_section): New method
6826         defintion.
6827         (Output_merge_data::do_add_input_section): Record input section if
6828         keeps-input-sections flag is set.
6829         (Output_merge_string::do_add_input_section): Ditto.
6830         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6831         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6832         INPUT_SECTIONS_.
6833         (Output_merge_base::keeps_input_sections,
6834         Output_merge_base::set_keeps_input_sections,
6835         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6836         method definitions.
6837         (Output_merge_base::Input_sections): New type declaration.
6838         (Output_merge_base::input_sections_begin,
6839         Output_merge_base::input_sections_end,
6840         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6841         (Output_merge_base::bool keeps_input_sections_,
6842         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6843         Output_merge_base::input_sections_): New data members.
6844         (Output_merge_data::do_set_keeps_input_sections): New method
6845         defintion.
6846         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6847         * output.cc (Output_section::Input_section::relobj): Move method
6848         defintion from class declaration to here and handle merge sections.
6849         (Output_section::Input_section::shndx): Ditto.
6850         (Output_section::Output_section): Remove initializations of removed
6851         data members and initialize new data member LOOKUP_MAPS_.
6852         (Output_section::add_input_section): Set keeps-input-sections flag
6853         for a newly created merge output section as appropriate.  Adjust code
6854         to use Output_section_lookup_maps class.
6855         (Output_section::add_relaxed_input_section): Adjst code for lookup
6856         maps code refactoring.
6857         (Output_section::add_merge_input_section): Add a new parameter
6858         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6859         class.  If adding input section to a newly created merge output
6860         section fails, remove the new merge section.
6861         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6862         Adjust code for use of the Output_section_lookup_maps class.
6863         (Output_section::find_merge_section): Ditto.
6864         (Output_section::build_lookup_maps): New method defintion.
6865         (Output_section::find_relaxed_input_section): Adjust code to use
6866         Output_section_lookup_maps class.
6867         (Output_section::get_input_sections): Export merge sections.  Adjust
6868         code to use Output_section_lookup_maps class.
6869         (Output_section:::add_script_input_section): Adjust code to use
6870         Output_section_lookup_maps class.  Update lookup maps for merge
6871         sections also.
6872         (Output_section::discard_states): Use Output_section_lookup_maps.
6873         (Output_section::restore_states): Same.
6874         * output.h (Merge_section_properties): Move class defintion out of
6875         Output_section.
6876         (Output_section_lookup_maps): New class.
6877         (Output_section::Input_section::is_merge_section): New method
6878         defintion.
6879         (Output_section::Input_section::relobj): Move defintion out of class
6880         defintion.  Declare method only.
6881         (Output_section::Input_section::shndx): Ditto.
6882         (Output_section::Input_section::output_merge_base): New method defintion.
6883         (Output_section::Input_section::u2_.pomb): New union field.
6884         (Output_section::Merge_section_by_properties_map,
6885         Output_section::Output_section_data_by_input_section_map,
6886         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6887         Remove types.
6888         (Output_section::add_merge_input_section): Add new parameter
6889         KEEPS_INPUT_SECTIONS.
6890         (Output_section::build_lookup_maps): New method declaration.
6891         (Output_section::merge_section_map_,
6892         Output_section::merge_section_by_properties_map_,
6893         Output_section::relaxed_input_section_map_,
6894         Output_section::is_relaxed_input_section_map_valid_): Remove data
6895         members.
6896         (Output_section::lookup_maps_): New data member.
6897
6898 2010-05-21  Doug Kwan  <dougkwan@google.com>
6899
6900         PR gold/11619
6901         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6902         avoid a compilation error.
6903
6904 2010-05-19  Rafael Espindola  <espindola@google.com>
6905
6906         * script-sections.cc (Output_section_definition::allocate_to_segment):
6907         Update the phdrs_list even when the output section is NULL.
6908         * testsuite/Makefile.am: Add test.
6909         * testsuite/Makefile.in: Regenerate.
6910         * testsuite/script_test_9.cc: New.
6911         * testsuite/script_test_9.sh: New.
6912         * testsuite/script_test_9.t: New.
6913
6914 2010-05-19  Doug Kwan  <dougkwan@google.com>
6915
6916         * arm.cc (Arm_input_section::original_size): New method.
6917         (Arm_input_section::do_addralign): Add a cast.
6918         (Arm_input_section::do_output_offset): Remove static cast.
6919         (Arm_input_section::original_addralign,
6920          Arm_input_section::original_size_): Change type to uint32_t.
6921         (Arm_input_section::init): Add safe casts for section alignment
6922         and size.
6923         (Arm_input_section::set_final_data_size): Do not set address and
6924         offset of stub table.
6925         (Arm_output_section::fix_exidx_coverage): Change use of of
6926         Output_section::Simple_input_section to that of
6927         Output_section::Input_section.
6928         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
6929         except for the first pass.
6930         * output.cc (Output_section::get_input_sections): Change type of
6931         input_sections to std::list<Input_section>.
6932         (Output_section::add_script_input_section): Rename from
6933         Output_section::add_simple_input_section.  Change type of SIS
6934         parameter from Simple_input_section to Input_section.
6935         * output.h (Output_section::Simple_input_section): Remove class.
6936         (Output_section::Input_section): Change class visibility to public.
6937         (Output_section::Input_section::addralign): Use stored alignments
6938         for special input sections if set.
6939         (Output_section::Input_section::set_addralign): New method.
6940         (Output_section::get_input_sections): Change parameter type from
6941         list of Simple_input_section to list of Input_section.
6942         (Output_section::add_script_input_section): Rename from
6943         Output_section::add_simple_input_section. Change first parameter's
6944         type from Simple_input_section to Input_section and remove the
6945         second and third parameters.
6946         * script-sections.cc (Input_section::Input_section_list): Change
6947         type to list of Output_section::Input_section/
6948         (Input_section_info::Input_section_info): Change parameter type of
6949         INPUT_SECTION to Output_section::Input_section.
6950         (Input_section_info::input_section): Change return type.
6951         (Input_section_info::input_section_): Change type to
6952         Output_section::Input_section.
6953         (Output_section_element_input::set_section_addresses): Adjust code
6954         to use Output_section::Input_section instead of
6955         Output_section::Simple_input_section.  Adjust code for renaming
6956         of Output_section::add_simple_input_section.
6957         (Orphan_output_section::set_section_addresses): Ditto.
6958
6959 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6960
6961         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
6962         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
6963
6964 2010-05-18  Rafael Espindola  <espindola@google.com>
6965
6966         * options.cc (General_options::finalize): Handle -nostdlib.
6967         * options.h (nostdlib): New option.
6968         * script.cc (script_add_search_dir): Handle -nostdlib.
6969
6970 2010-05-12  Doug Kwan  <dougkwan@google.com>
6971
6972         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6973         attributes section only if there no attributes section after merging.
6974         (Target_arm::merge_object_attributes): Move value of
6975         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6976         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6977         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6978         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6979         and arm_attr_merge_7.stdout.
6980         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6981         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6982         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6983         arm_attr_merge_7b.o): New rules.
6984         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6985         arm_attr_merge_7
6986         * testsuite/Makefile.in: Regenerate.
6987         * testsuite/arm_attr_merge.sh: New file.
6988         * testsuite/arm_attr_merge_[67][ab].s: Same.
6989
6990 2010-05-05  Nick Clifton  <nickc@redhat.com>
6991
6992         * po/es.po: Updated Spanish translation.
6993
6994 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6995
6996         * Makefile.am (install-exec-local): Properly install gold as
6997         default cross linker.
6998         * Makefile.in: Regenerated.
6999
7000 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7001             Nick Clifton  <nickc@redhat.com>
7002
7003         * configure.ac (install_as_default): Define and set to false
7004         unless --enable-gold or --enable-gold=both/gold has been
7005         specified.
7006         * configure: Regenerate.
7007
7008         * Makefile.am (install-exec-local): Install the executable as
7009         'ld.gold'.  If install_as_default is true then also install it as
7010         'ld'.
7011         * Makefile.in: Regenerated.
7012
7013 2010-04-24  Ian Lance Taylor  <iant@google.com>
7014
7015         * layout.cc (Layout::layout_reloc): In relocatable link don't
7016         combine reloc sections for grouped sections.
7017
7018 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
7019
7020         * gc.h (gc_process_relocs): Pass information on relocs pointing to
7021         sections that are not ordinary to icf.
7022         * icf.cc (get_section_contents): Handle relocation pointing to section
7023         with no object or shndx information.
7024         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
7025         * testsuite/Makefile.in: Regenerate.
7026         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
7027         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
7028
7029 2010-04-22  Ian Lance Taylor  <iant@google.com>
7030
7031         * expression.cc (Expression::Expression_eval_info): Add
7032         result_alignment_pointer field.
7033         (Expression::eval_with_dot): Add result_alignment_pointer
7034         parameter.  Change all callers.
7035         (Expression::eval_maybe_dot): Likewise.
7036         (class Binary_expression): Add alignment_pointer parameter to
7037         left_value and right_value.  Change all callers.
7038         (BINARY_EXPRESSION): Set result alignment.
7039         (class Trinary_expression): Add alignment_pointer parameter to
7040         arg2_value and arg3_value.  Change all callers.
7041         (Trinary_cond::value): Set result alignment.
7042         (Max_expression::value, Min_expression::value): Likewise.
7043         (Align_expression::value): Likewise.
7044         * script-sections.cc (class Sections_element): Add dot_alignment
7045         parameter to set_section_addresses virtual function.  Update
7046         instantiations.
7047         (class Output_section_element): Likewise.
7048         (Script_sections::create_segments): Add dot_alignment parameter.
7049         Change all callers.
7050         (Script_sections::create_segments_from_phdrs_clause): Likewise.
7051         (Script_sections::set_phdrs_clause_addresses): Likewise.
7052         * script-sections.h: Update declarations.
7053         * script.h: Update declarations.
7054         * output.h (Output_segment::set_minimum_p_align): Don't decrease
7055         min_p_align.
7056         * testsuite/script_test_3.t: Set large alignment.
7057         * testsuite/script_test_3.sh: Make sure that at least one LOAD
7058         segment has expected alignment.
7059
7060 2010-04-22  Nick Clifton  <nickc@redhat.com>
7061
7062         * po/gold.pot: Updated by the Translation project.
7063         * po/vi.po: Updated Vietnamese translation.
7064
7065 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
7066
7067         * testsuite/Makefile.am (check_PROGRAMS): Add
7068         icf_virtual_function_folding_test.
7069         * testsuite/Makefile.in: Regenerated.
7070
7071 2010-04-15  Andrew Haley  <aph@redhat.com>
7072
7073         * options.h (merge_exidx_entries): New option.
7074         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
7075         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
7076         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
7077         (Target_arm::merge_exidx_entries): New function.
7078         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
7079         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
7080         to Arm_exidx_fixup constructor.
7081         Add new arg, merge_exidx_entries.
7082         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
7083         Arm_output_section::fix_exidx_coverage.
7084
7085 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
7086
7087         * icf.cc (get_section_contents): Check for preemptible functions.
7088         Ignore addend when appropriate.
7089         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
7090         section folded.
7091         (add_from_relobj): Check for section folded.
7092         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
7093         * symtab.h (should_add_dynsym_entry): Add new parameter.
7094         * target-reloc.h (scan_relocs): Check for section folded.
7095         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
7096         Check reloc types for function pointers in shared objects.
7097         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
7098         case.
7099         (icf_preemptible_functions_test): New test case.
7100         (icf_string_merge_test): New test case.
7101         * testsuite.Makefile.in: Regenerate.
7102         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
7103         bar_glob.  Refactor code.
7104         * testsuite/icf_preemptible_functions_test.cc: New file.
7105         * testsuite/icf_preemptible_functions_test.sh: New file.
7106         * testsuite/icf_string_merge_test.cc: New file.
7107         * testsuite/icf_string_merge_test.sh: New file.
7108         * testsuite/icf_virtual_function_folding_test.cc: New file.
7109         * testsuite/icf_virtual_function_folding_test.sh: New file.
7110
7111 2010-04-14  Doug Kwan  <dougkwan@google.com>
7112
7113         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
7114         for local symbol recounting if we remove a section due to ICF.
7115         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
7116         there are no regular objects in input.
7117
7118 2010-04-13  Doug Kwan  <dougkwan@google.com>
7119
7120         * arm.cc (Arm_input_section::set_final_data_size): Compute
7121         accurate final data size instead of using current data size.
7122
7123 2010-04-09  Doug Kwan  <dougkwan@google.com>
7124
7125         * layout.cc (Layout::choose_output_section): Handle script section
7126         types.
7127         (Layout::make_output_section_for_script): Add section type parameter.
7128         Handle script section types.
7129         * layout.h (Layout::make_output_section_for_script): Add section
7130         type parameter.
7131         * output.cc (Output_section::Output_section): Initialize data member
7132         is_noload_.
7133         (Output_section::do_reset_address_and_file_offset): Do not set address
7134         to 0 if section is a NOLOAD section.
7135         * output.h (Output_section::is_noload): New method.
7136         (Output_section::set_is_noload): Ditto.
7137         (Output_section::is_noload_): New data member.
7138         * script-c.h (Script_section_type): New enum type.
7139         (struct Parser_output_section_header): Add new file section_type.
7140         * script-sections.cc (Sections_element::output_section_name): Add
7141         parameter for returning script section type.
7142         (Output_section_definition::output_section_name): Ditto.
7143         (Output_section_definition::section_type)P; New method.
7144         (Output_section_definiton::script_section_type_name): Ditto.
7145         (Output_section_definition::script_section_type_): New data member.
7146         (Output_section_definition::Output_section_definition): Initialize
7147         data member Output_section_definition::script_section_type_.
7148         (Output_section_definition::create_sections): Pass script section type
7149         to Layout::make_output_section_for_script.
7150         (Output_section_definition::output_section_name): Return script
7151         section type to caller.
7152         (Output_section_definition::set_section_address): Do not advance
7153         dot value and load address if section type is NOLOAD.  Set address
7154         of NOLOAD sections regardless of section flags.
7155         (Output_section_definition::print): Print section type if it is
7156         not SCRIPT_SECTION_TYPE_NONE.
7157         (Output_section_definition::section_type): New method.
7158         (Output_section_definition::script_section_type_name): Ditto.
7159         (Script_sections::output_section_name): Add new parameter
7160         PSECTION_TYPE for returning script section type.  Pass it to
7161         section elements.  Handle discard sections.
7162         (Sort_output_sections::operator()): Handle NOLOAD sections.
7163         * script-sections.h (Script_sections::Section_type): New enum type.
7164         (Script_sections::output_section_name): Add a new parameter for
7165         returning script section type.
7166         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
7167         INFO and NOLOAD.
7168         * yyscript.y (union): Add new field SECTION_TYPE.
7169         (COPY, DSECT, INFO, NOLOAD): New tokens.
7170         (opt_address_and_section_type): Change type to output_section_header.
7171         (section_type): New non-terminal
7172         (section_header): Handle section type.
7173         (opt_address_and_section_type): Return section type value.
7174
7175 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
7176
7177         * testsuite/plugin_common_test_1.c (foo): Add prototype.
7178         * testsuite/plugin_common_test_2.c (foo): Likewise.
7179
7180 2010-04-08  Doug Kwan  <dougkwan@google.com>
7181
7182         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
7183         Output_merge_data.
7184         * output.cc (Output_section::add_merge_input_section): Simplify
7185         code and return status of Output_merge_base::add_input_section.
7186         Update merge section map only if Output_merge_base::add_input_section
7187         returns true.
7188
7189 2010-04-07  Doug Kwan  <dougkwan@google.com>
7190
7191         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
7192         if section is marked as containing instructions but has no mapping
7193         symbols.
7194         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
7195         correct section index.
7196         (Arm_relobj::find_linked_text_section): Ditto.
7197
7198 2010-04-07  Cary Coutant  <ccoutant@google.com>
7199
7200         * archive.cc (include_member): Destroy Read_symbols_data object before
7201         releasing file.
7202         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
7203         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
7204         (Read_symbols_data::~Read_symbols_data) New destructor.
7205         (Section_relocs::Section_relocs) New constructor.
7206         (Section_relocs::~Section_relocs) New destructor.
7207         (Read_relocs_data::Read_relocs_data) New constructor.
7208         (Read_relocs_data::~Read_relocs_data) New destructor.
7209         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
7210         pointers to NULL after deleting.
7211
7212 2010-04-07  Doug Kwan  <dougkwan@google.com>
7213
7214         * arm.cc: Replace "endianity" with "endianness" in comments.
7215         (Arm_exidx_cantunwind): Ditto.
7216         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
7217         (Arm_relobj::merge_flags_and_attributes): New method.
7218         (Arm_relobj::merge_flags_and_attributes_): New data member.
7219         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
7220         (Arm_relobj::scan_sections_for_stubs): Ditto.
7221         (Arm_relobj::do_read_symbols): Check to see if we really want to
7222         merge processor-specific flags and attributes.  Exit early if
7223         an object is empty except for section names and the undefined symbol.
7224         (Target_arm::do_finalize_sections): Move check for ELF format to
7225         Arm_relobj::do_read_symbols.  Merge processor specific flags and
7226         attributes from a regular object only when we have determined that
7227         it is aapropriate.  Do not create an .ARM.attributes section in
7228         output if there is no regular input object.
7229         (Target_arm::merge_processor_specific_flags): Check
7230         --warn-mismatch before printing any error.
7231         (Target_arm::merge_object_attributes): Ditto.
7232         * gold.cc (queue_middle_tasks): Handle the case in which there is
7233         no regular object in input.
7234         * options.cc (General_options::parse_EB): New method.
7235         (General_options::parse_EL): Same.
7236         (General_options::General_options): Initialize endianness_.
7237         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
7238         New options.
7239         (General_options::Endianness): New enum.
7240         (General_options::endianness): New method.
7241         (General_options::endianness_): New data member.
7242         * parameters.cc (Parameters::set_options): Check target endianness.
7243         (Parameters::set_target_once): Ditto.
7244         (Parameters::check_target_endianness): New method.
7245         (parameters_force_valid_target): If either -EL or -EB is specified,
7246         use it to define endianness of default target.
7247         * parameters.h (Parameters::check_target_endianness): New method
7248         declaration.
7249         * target.h (class Target): Change "endianity" to "endianness"
7250         in comments.
7251
7252 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7253
7254         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
7255         * configure: Regenerate.
7256         * Makefile.in: Regenerate.
7257         * testsuite/Makefile.in: Regenerate.
7258
7259 2010-04-06  Cary Coutant  <ccoutant@google.com>
7260
7261         gcc PR lto/42757
7262         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
7263         prevailing definitions of common symbols.
7264         * testsuite/plugin_test_6.sh: New test case.
7265         * testsuite/plugin_common_test_1.c: New test case.
7266         * testsuite/plugin_common_test_2.c: New test case.
7267         * testsuite/Makefile.am (plugin_test_6): New test case.
7268         * testsuite/Makefile.in: Regenerate.
7269
7270 2010-04-06  Nick Clifton  <nickc@redhat.com>
7271
7272         * po/vi.po: New Vietnamese translation.
7273
7274 2010-03-30  Doug Kwan  <dougkwan@google.com>
7275
7276         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
7277
7278 2010-03-25  Doug Kwan  <dougkwan@google.com>
7279
7280         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
7281         to avoid a conversion warning on a 32-bit host.
7282
7283 2010-03-24  Ian Lance Taylor  <iant@google.com>
7284
7285         * testsuite/script_test_3.t: Add a TLS segment.
7286         * testsuite/Makefile.am (check_PROGRAMS): Add
7287         tls_phdrs_script_test.
7288         (tls_phdrs_script_test_SOURCES): Define.
7289         (tls_phdrs_script_test_DEPENDENCIES): Define.
7290         (tls_phdrs_script_test_LDFLAGS): Define.
7291         (tls_phdrs_script_test_LDADD): Define.
7292         * testsuite/Makefile.in: Rebuild.
7293
7294 2010-03-23  Cary Coutant  <ccoutant@google.com>
7295
7296         * fileread.cc (find_or_make_view): Fix comment.
7297
7298 2010-03-23  Ian Lance Taylor  <iant@google.com>
7299
7300         * script-sections.cc (class Orphan_section_placement): Define
7301         PLACE_TLS and PLACE_TLS_BSS.
7302         (Orphan_section_placement::Orphan_section_placement): Initialize
7303         new places.
7304         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
7305         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
7306         (tls_script_test_SOURCES): Define.
7307         (tls_script_test_DEPENDENCIES): Define.
7308         (tls_script_test_LDFLAGS): Define.
7309         (tls_script_test_LDADD): Define.
7310         * testsuite/Makefile.in: Rebuild.
7311
7312 2010-03-22  Doug Kwan  <dougkwan@google.com>
7313
7314         * arm.cc (Arm_relocate_functions::abs8,
7315         Arm_relocate_functions::abs16): Use correct check for overflow
7316         specified in the ARM ELF specs.
7317         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
7318         target of a BLX instruction specially.
7319         (Reloc_stub::stub_type_for_reloc): Ditto.
7320         (Relocate::relocate): Use symbolic names instead of numeric relocation
7321         codes to report error.
7322         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
7323         workaround.
7324         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
7325         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
7326         thumb2_blx_out_of_range.stdout
7327         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
7328         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
7329         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
7330         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
7331         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
7332         thumb2_blx_in_range, thumb2_blx_in_range.o,
7333         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
7334         thumb2_blx_out_of_range.o): New rules.
7335         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
7336         thumb2_blx_in_range and thumb2_blx_out_of_range.
7337         * testsuite/Makefile.in: Regenerate.
7338         * arm_branch_in_range.sh: Add tests for THUMB BLX.
7339         * testsuite/thumb_blx_in_range.s: New file.
7340         * testsuite/thumb_blx_out_of_range.s: New file.
7341
7342 2010-03-22  Rafael Espindola  <espindola@google.com>
7343
7344         * archive.cc (Should_include): Move to archive.h.
7345         (should_include_member): Make it a member of Archive.
7346         (Lib_group): New.
7347         (Add_lib_group_symbols): New.
7348         * archive.h: Include options.h.
7349         (Archive_member): Moved from Archive.
7350         (Should_include): Moved from archive.cc.
7351         (Lib_group): New.
7352         (Add_lib_group_symbols): New.
7353         * dynobj.cc (do_should_include_member): New.
7354         * dynobj.h (do_should_include_member): New.
7355         * gold.cc (queue_initial_tasks): Update call to queue.
7356         * main.cc (main): Print lib group stats.
7357         * object.cc (do_should_include_member): New.
7358         * object.h: Include archive.h.
7359         (Object::should_include_member): New.
7360         (Object::do_should_include_member): New.
7361         (Sized_relobj::do_should_include_member): New.
7362         * options.cc (General_options::parse_start_lib): New.
7363         (General_options::parse_end_lib): New.
7364         (Input_arguments::add_file): Handle lib groups.
7365         (Input_arguments::start_group): Check we are not in a lib.
7366         (Input_arguments::start_lib): New.
7367         (Input_arguments::end_lib): New.
7368         * options.h (General_options): Add start_lib and end_lib.
7369         (Input_argument::lib_): New.
7370         (Input_argument::lib): New.
7371         (Input_argument::is_lib): New.
7372         (Input_file_lib): New.
7373         (Input_arguments::in_lib_): New.
7374         (Input_arguments::in_lib): New.
7375         (Input_arguments::start_lib): New.
7376         (Input_arguments::end_lib_): New.
7377         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
7378         in unused members as preempted.
7379         (Sized_pluginobj::do_should_include_member): New.
7380         * plugin.h (Sized_pluginobj::do_should_include_member): New.
7381         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
7382         return the blocker.
7383         (Read_symbols::do_whole_lib_group): New.
7384         (Read_symbols::do_lib_group): New.
7385         (Read_symbols::do_read_symbols): Handle lib groups.
7386         (Read_symbols::get_name): Handle lib groups.
7387         * readsyms.h (Read_symbols): Add an archive member pointer.
7388         (Read_symbols::do_whole_lib_group): New.
7389         (Read_symbols::do_lib_group): New.
7390         (Read_symbols::member_): New.
7391         * script.cc (read_input_script): Update call to queue_soon.
7392
7393 2010-03-19  Doug Kwan  <dougkwan@google.com>
7394
7395         * arm.cc (Stub_table::Stub_table): Initialize new data members
7396         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7397         (Stub_table::add_reloc_stub): Assign stub offset and update
7398         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7399         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
7400         New data members.
7401         (Stub_table::update_data_size_and_addralign): Use
7402         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
7403         instead of going over all reloc stubs.
7404         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
7405         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7406         Stringpool_template::offset_ to size of Stringpool_char.
7407         (Stringpool_template::new_key_offset): Remove code to initialize
7408         Stringpool_template::offset_.
7409         * stringpool.h (Stringpool_template::set_no_zero_null): Set
7410         Stringpool_template::offset_ to zero.
7411
7412 2010-03-15  Doug Kwan  <dougkwan@google.com>
7413
7414         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7415         offset_.
7416         (Stringpool_template::new_key_offset): New method.
7417         (Stringpool_template::add_string): Assign offsets when adding new
7418         strings.
7419         (Stringpool_template::set_string_offsets): Do not set string offsets
7420         when not optimizing.
7421         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
7422         member size_.
7423         (Chunked_vector::clear): Clear size_.
7424         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
7425         (Chunked_vector::size): Return size_.
7426         (Chunked_vector::push_back): Use size_ to find insert position.
7427         (Chunked_vector::size_): New data member.
7428         (Stringpool_template::set_no_zero_null): Assert string set is empty.
7429         (Stringpool_template::new_key_offset): New method declaration.
7430         (Stringpool_template::offset_): New data member.
7431
7432 2010-03-15   Rafael Espindola  <espindola@google.com>
7433
7434         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
7435         Add_symbols' constructor.
7436         * readsyms.h (Add_symbols): Remove the input_group member.
7437
7438 2010-03-10  Ian Lance Taylor  <iant@google.com>
7439
7440         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
7441         target to ask whether a reference to a symbol requires a stack
7442         split.
7443         * target.h (Target::is_call_to_non_split): New function.
7444         (Target::do_is_call_to_non_split): Declare virtual function.
7445         * target.cc: Include "symtab.h".
7446         (Target::do_is_call_to_non_split): New function.
7447         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
7448
7449 2010-03-10  Cary Coutant  <ccoutant@google.com>
7450
7451         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
7452         (File_read::open[1]): Remove initial mapping of whole_file_view_.
7453         (File_read::open[2]): Add whole_file_view_ to list of views.
7454         (File_read::make_view): Remove test of whole_file_view_.
7455         (File_read::find_or_make_view): Create whole_file_view_ if
7456         necessary.
7457         (File_read::clear_views): Replace bool parameter with enum;
7458         adjust all callers.  Don't delete views with permanent data;
7459         do delete cached views and views from archives if
7460         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
7461         if clearing the corresponding view.
7462         * fileread.h (File_read::Clear_views_mode): New enum.
7463         (File_read::View::is_permanent_view): New method.
7464         (File_read::clear_views): Replace bool parameter
7465         with enum; adjust all callers.
7466         * options.h (General_options): Change keep_files_mapped option;
7467         add map_whole_files.
7468         * readsyms.cc (Add_symbols::run): Delete sd_ object before
7469         releasing the file.
7470         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
7471         the file.
7472
7473 2010-03-10  David S. Miller  <davem@davemloft.net>
7474
7475         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
7476
7477 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
7478
7479         * icf.cc (get_section_contents): Add '@' marker after processing the
7480         merge reloc.
7481
7482 2010-03-08  Doug Kwan  <dougkwan@google.com>
7483
7484         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
7485         due to a conversion warning.
7486         (Arm_relobj::update_output_local_symbol_count): Check for local
7487         symbol with unset output index.
7488
7489 2010-03-05  Ian Lance Taylor  <iant@google.com>
7490
7491         * options.h (class General_options): Add --spare-dynamic-tags.
7492         * output.cc (Output_data_dynamic::set_final_data_size): Implement
7493         --spare-dynamic-tags.
7494
7495 2010-03-05  Ian Lance Taylor  <iant@google.com>
7496
7497         * incremental.cc: Include "libiberty.h".
7498
7499 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7500
7501         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
7502         function, is_info_ member.
7503         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
7504         (Versions::Versions): Update caller.
7505         (Versions::define_base_version): Likewise.
7506         (Versions::add_def): Likewise.
7507
7508 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
7509
7510         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
7511         (Scan::possible_function_pointer_reloc): New function.
7512         (Scan::local_reloc_may_be_function_pointer): Change to call
7513         possible_function_pointer_reloc.
7514         (Scan::global_reloc_may_be_function_pointer): Ditto.
7515         * icf.h (Icf::check_section_for_function_pointers): Change to reject
7516         relocations in ".data.rel.ro._ZTV" section.
7517         * testsuite/icf_safe_so_test.sh: Change to pass i386.
7518         * testsuite/icf_safe_so_test.cc: Ditto.
7519         * testsuite/icf_safe_test.cc: Ditto.
7520         * testsuite/icf_safe_test.sh: Ditto.
7521
7522 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7523             Ian Lance Taylor  <iant@google.com>
7524
7525         * target-reloc.h (relocate_section): Check the symbol table index
7526         for -1U before setting the local symbol index.
7527         (scan_relocatable_relocs): If copying the relocation, record that
7528         the local symbol is required.
7529         * object.h (Symbol_value::is_output_symtab_index_set): New
7530         function.
7531         (Symbol_value::may_be_discarded_from_output_symtab): New
7532         function.
7533         (Symbol_value::has_output_symtab_entry): New function.
7534         (Symbol_value::needs_output_symtab_entry): Remove.
7535         (Symbol_value::output_symtab_index): Make sure the symbol index is
7536         set.
7537         (Symbol_value::set_output_symtab_index): Make sure the symbol
7538         index is not set.  Make sure the new index is valid.
7539         (Symbol_value::set_must_have_output_symtab_entry): New function.
7540         (Symbol_value::has_output_dynsym_entry): New function.
7541         (Symbol_value::set_output_dynsym_index): Make sure the new index
7542         is valid.
7543         (Sized_relobj::set_must_have_output_symtab_entry): New function.
7544         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
7545         local symbol if permitted.
7546         (Sized_relobj::do_finalize_local_symbols): Call
7547         is_output_symtab_index_set rather than needs_output_symtab_entry.
7548         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
7549         rather than needs_output_symtab_entry.  Call
7550         has_output_dynsym_entry rather than needs_output_dynsym_entry.
7551         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
7552         is_output_symtab_index_set rather than needs_output_symtab_entry.
7553         * testsuite/discard_locals_relocatable_test.c: New file.
7554         * testsuite/discard_locals_test.sh: Test -r.
7555         * testsuite/Makefile.am (check_DATA): Add
7556         discard_locals_relocatable_test1.syms,
7557         discard_local_relocatable_test2.syms.
7558         (MOSTLYCLEANFILES): Likewise.  Also add
7559         discard_locals_relocatable_test1.lout and
7560         discard_locals_relocatable_test2.out.
7561         (discard_locals_relocatable_test1.syms): New target.
7562         (discard_locals_relocatable_test.o): New target.
7563         (discard_locals_relocatable_test1.out): New target.
7564         (discard_locals_relocatable_test2.syms): New target.
7565         (discard_locals_relocatable_test2.out): New target.
7566         (various): Add missing ../ld-new dependencies.
7567         * testsuite/Makefile.in: Rebuild.
7568
7569 2010-03-03  Nick Clifton  <nickc@redhat.com>
7570
7571         * po/fi.po: New Finnish translation.
7572
7573 2010-03-01  Doug Kwan  <dougkwan@google.com>
7574
7575         * layout.cc (Layout::Layout): Force section types of .init_array*,
7576         .preinit_array* and .fini_array* sections.
7577         * output.cc (Output_section::Input_section_sort_entry::has_priority):
7578         Fix check of return value of std::string::find.().
7579         (Output_section::Input_section_sort_compare::operator()): Remove
7580         comment about .init_array.
7581         (Output_section::Input_section_sort_init_fini_compare::operator()):
7582         New method.
7583         (Output_section::sort_attached_input_sections): Handle .init_array
7584         and .fini_array specially.
7585         * output.h (Output_section::Inut_section_sort_compare): Update
7586         comment.
7587         (Output_section::Input_section_sort_init_fini_compare): New struct.
7588
7589 2010-02-26  Doug Kwan  <dougkwan@google.com>
7590
7591         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
7592         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
7593         * testsuite/debug_msg.sh: Avoid matching source line number for
7594         use of global variable undef_int.
7595
7596 2010-02-26  Doug Kwan  <dougkwan@google.com>
7597
7598         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
7599         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
7600         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
7601         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
7602         * options.cc (General_options::General_options): Initialize member
7603         fix_v4bx_.
7604         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
7605         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
7606         and rm_no_fix_v4bx.stdout
7607         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
7608         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
7609         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
7610         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
7611         and arm_no_fix_v4bx.
7612         * Makefile.in: Regenerate.
7613         * testsuite/arm_fix_v4bx.s: New file.
7614         * testsuite/arm_fix_v4bx.sh: Ditto.
7615
7616 2010-02-24  Doug Kwan  <dougkwan@google.com>
7617
7618         * arm.cc (Target_arm::got_section): Make the .got section the first
7619         non RELRO section in the data segment.
7620         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
7621         suffixes of section names.
7622
7623 2010-02-24  Doug Kwan  <dougkwan@google.com>
7624
7625         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
7626         flags and attributes merging if an input file is a binary file.
7627         * fileread.cc (Input_file::open): Record format of original file.
7628         * fileread.h (Input_file::Format): New enum type.
7629         (Input_file::Input_file): Initialize data member format_.
7630         (Input_file::format): New method definition.
7631         (Input_file::format_):: New data member.
7632
7633 2010-02-24  Doug Kwan  <dougkwan@google.com>
7634
7635         * arm.cc (Arm_output_data_got): New class.
7636         (ARM_TCB_SIZE): New constant
7637         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
7638         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
7639         If user uses a script with a SECTIONS clause, issue only a warning
7640         for a misplaced EXIDX input section.  Otherwise, issue an error.
7641         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
7642         garbage collection.
7643         (Target_arm::got_mode_index_entry): Handle static linking.
7644         (Target_arm::Scan::local): Ditto.
7645         (Target_arm::Scan::global): Ditto.
7646         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
7647         all incorrectly implemented relocations.
7648         (Target_arm::fix_exidx_coverage): Pass layout to
7649         Arm_output_section::fix_exidx_coverage.
7650         * layout.cc (Layout::section_name_mapping): Remove trailing dots
7651         from ".ARM.exidx." and ".ARM.extab.".
7652
7653 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7654
7655         * arm.cc (Target_arm::do_finalize_sections): Create attribute
7656         section if it does not already exist.
7657         * attributes.cc (Attributes_section_data::Attributes_section_data):
7658         Don't crash if size is zero.
7659
7660 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7661             Ian Lance Taylor  <iant@google.com>
7662
7663         * gold.cc (queue_middle_tasks): If no input files were opened,
7664         exit.
7665         * workqueue.h (Task_function::Task_function): Assert that there is
7666         a blocker.
7667
7668 2010-02-22  Doug Kwan  <dougkwan@google.com>
7669
7670         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
7671         * icf.cc (get_section_contents): Cast snprintf arguments to long long
7672         types to avoid warnings due to different uint64_t implementations
7673         on different hosts.
7674
7675 2010-02-21  Doug Kwan  <dougkwan@google.com>
7676
7677         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
7678         handling of the maximum backward branch offset.
7679         (Arm_relocate_functions::thumb_branch_common): Ditto.
7680         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
7681         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
7682         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
7683         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
7684         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
7685         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
7686         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
7687         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
7688         thumb_bl_out_of_range thumb_bl_out_of_range.o,
7689         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
7690         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
7691         thumb2_bl_out_of_range.o): New rules.
7692         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
7693         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
7694         thumb2_bl_out_of_range
7695         * testsuite/Makefile.in: Regenerate.
7696         * testsuite/arm_bl_in_range.s: New file.
7697         * testsuite/arm_bl_out_of_range.s: Ditto.
7698         * testsuite/arm_branch_in_range.sh: Ditto.
7699         * testsuite/arm_branch_range.t: Ditto.
7700         * testsuite/thumb2_branch_range.t: Ditto.
7701         * testsuite/thumb_bl_in_range.s: Ditto.
7702         * testsuite/thumb_bl_out_of_range.s: Ditto.
7703         * testsuite/thumb_branch_range.t: Ditto.
7704
7705 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
7706
7707         * gc.h (gc_process_relocs): Change vectors to point to the new list.
7708         Add reloc offset information.
7709         * icf.cc (get_section_contents): Change iterators to point to the new
7710         vectors. Add reloc offset information to the contents.
7711         * icf.h (Icf::Sections_reachable_info): New typedef.
7712         (Icf::Sections_reachable_list): New typedef.
7713         (Icf::Offset_info): New typedef.
7714         (Icf::Reloc_info): New struct typedef.
7715         (Icf::Reloc_info_list): New typedef.
7716         (Icf::symbol_reloc_list): Delete method.
7717         (Icf::addend_reloc_list): Delete method.
7718         (Icf::section_reloc_list): Delete method.
7719         (Icf::reloc_info_list): New method.
7720         (Icf::reloc_info_list_): New member.
7721
7722 2010-02-19  Doug Kwan  <dougkwan@google.com>
7723
7724         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
7725         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
7726         * arm.cc (Arm_relocation_functions): New forward declaration.
7727         (Target_arm::Target_arm): Initialize new data members
7728         got_mod_index_offset_ and tls_base_symbol_defined_.
7729         (Target_arm::Relocate::relocate_tls): New method.
7730         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
7731          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
7732         New methods.
7733         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
7734         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
7735         (Target_arm::got_mod_index_offset_,
7736         Target_arm::tls_base_symbol_defined_): New data members.
7737         (Target_arm::Scan::local, Target::Scan::global,
7738         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
7739         relocations.
7740
7741 2010-02-18  Doug Kwan  <dougkwan@google.com>
7742
7743         * arm.cc (Arm_relobj::find_linked_text_section): New method.
7744         (Arm_relobj::make_exidx_input_section): Pass section index of linked
7745         text section as a parameter becuase some broken tools may not set
7746         the link in section header.
7747         (Target_arm::has_got_section): New method.
7748         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
7749         without any mapping symbol as data only.  Remove warning.
7750         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
7751         link in its section header, try to discover the link by inspecting the
7752         REL31 relocation at the beginning of the section.
7753         (Target_arm::Scan::check_non_pic): Report name of offending relocation
7754         in error message.
7755         (Target_arm::Scan::global): Treat any reference to the symbol
7756         _GLOBAL_OFFSET_TABLE_ as a GOT access.
7757
7758 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
7759
7760         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
7761         (Scan::global_reloc_may_be_function_pointer): New function.
7762         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7763         (Scan::global_reloc_may_be_function_pointer): New function.
7764         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7765         (Scan::global_reloc_may_be_function_pointer): New function.
7766         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
7767         (Scan::global_reloc_may_be_function_pointer): New function.
7768         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
7769         (Scan::global_reloc_may_be_function_pointer): New function.
7770         (Scan::possible_function_pointer_reloc): New function.
7771         (Target_x86_64::can_check_for_function_pointers): New function.
7772         * gc.h (gc_process_relocs): Scan relocation types to determine if
7773         function pointers were taken for targets that support it.
7774         * icf.cc (Icf::find_identical_sections): Include functions for
7775         folding in safe ICF whose pointer is not taken.
7776         * icf.h (Secn_fptr_taken_set): New typedef.
7777         (fptr_section_id_): New member.
7778         (section_has_function_pointers): New function.
7779         (set_section_has_function_pointers): New function.
7780         (check_section_for_function_pointers): New function.
7781         * options.h: Fix comment for safe ICF option.
7782         * target.h (can_check_for_function_pointers): New function.
7783         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7784         Modify icf_safe_test for X86-64.
7785         * testsuite/Makefile.in: Regenerate.
7786         * testsuite/icf_safe_so_test.cc: New file.
7787         * testsuite/icf_safe_so_test.sh: New file.
7788         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7789         (main): Change to take pointer to function kept_func_3.
7790         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7791         folding is done correctly for X86-64.
7792
7793 2010-02-12  David S. Miller  <davem@davemloft.net>
7794
7795         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7796         is_symbolless parameter.
7797         (Output_reloc<SHT_REL>::is_symbolless): New.
7798         (Output_reloc<SHT_REL>::is_symbolless_): New.
7799         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7800         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7801         (Output_reloc<SHT_RELA>::is_symbolless): New.
7802         (Output_data_reloc::add_global): Handle is_symbolless.
7803         (Output_data_reloc::add_global_relative): Likewise.
7804         (Output_data_reloc::add_local): Likewise.
7805         (Output_data_reloc::add_local_relative): Likewise.
7806         (Output_data_reloc::add_symbolless_global_addend): New.
7807         (Output_data_reloc::add_symbolless_local_addend): New.
7808         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7809         is_symbolless.
7810         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7811         instead of ->is_relative_
7812         (Output_reloc::write): Likewise.
7813         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7814         (Output_reloc::write_rel): Simplify.
7815
7816         * sparc.cc (Target_sparc::Scan::local): Use
7817         ->add_symbolless_local_addend as needed.
7818         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7819         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7820         based upon relocation offset.
7821
7822 2010-02-11  Doug Kwan  <dougkwan@google.com>
7823
7824         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7825         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7826         beginning of function.
7827         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7828         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7829         parameter is_32bit in calls to should_apply_static_reloc.
7830         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7831         (check_DATA): Add arm_abs_global.stdout.
7832         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7833         arm_abs_global.stdout): New rules.
7834         (MOSTLLYCLEANFILES): Add arm_abs_global
7835         * Makefile.in: Regenerate.
7836         * testsuite/arm_abs_global.s: New file.
7837         * testsuite/arm_abs_global.sh: Ditto.
7838         * testsuite/arm_abs_lib.s: Ditto.
7839
7840 2010-02-11  Ian Lance Taylor  <iant@google.com>
7841
7842         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7843         Read_relocs task.
7844         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7845         Allocate_commons_task first.
7846         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7847         task, rather than symtab_lock_.
7848         (Gc_process_relocs::~Gc_process_relocs): New function.
7849         (Gc_process_relocs::is_runnable): Check this_blocker_.
7850         (Gc_process_relocs::locks): Use next_blocker_ rather than
7851         blocker_.
7852         (Scan_relocs::~Scan_relocs): New function.
7853         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7854         symtab_lock_.
7855         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7856         next_blocker_.
7857         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7858         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7859         constructor accordingly.
7860         (class Gc_process_relocs): Likewise.
7861         (class Scan_relocs): Likewise.
7862         * common.h (class Allocate_commons_task): Remove symtab_lock_
7863         field, and corresponding constructor parameter.
7864         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7865         symtab_lock_.
7866         (Allocate_commons_task::locks): Likewise.
7867
7868 2010-02-11  Ian Lance Taylor  <iant@google.com>
7869
7870         * gold-threads.h (class Once): Define.
7871         (class Initialize_lock): Rewrite as child of Once.
7872         * gold-threads.cc (class Once_initialize): Define.
7873         (once_pointer_control): New static variable.
7874         (once_pointer, once_arg): New static variables.
7875         (c_run_once): New static function.
7876         (Once::Once, Once::run_once, Once::internal_run): New functions.
7877         (class Initialize_lock_once): Remove.
7878         (initialize_lock_control): Remove.
7879         (initialize_lock_pointer): Remove.
7880         (initialize_lock_once): Remove.
7881         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7882         (Initialize_lock::initialize): Rewrite.
7883         (Initialize_lock::do_run_once): New function.
7884         * archive.cc (Archive::interpret_header): Only clear name if it is
7885         not already empty.
7886         * fileread.cc: Include "gold-threads.h"
7887         (file_counts_lock): New static variable.
7888         (file_counts_initialize_lock): Likewise.
7889         (File_read::release): Only increment counts when using --stats.
7890         Use a lock around the increment.
7891         * parameters.cc (class Set_parameters_target_once): Define.
7892         (set_parameters_target_once): New static variable.
7893         (Parameters::Parameters): Move here from parameters.h.
7894         (Parameters::set_target): Rewrite.
7895         (Parameters::set_target_once): New function.
7896         (Parameters::clear_target): Move here and rewrite.
7897         * parameters.h (class Parameters): Update declarations.  Add
7898         set_parameters_target_once_ field.
7899         (Parameters::Parameters): Move to parameters.cc.
7900         (Parameters::clear_target): Likewise.
7901         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7902         task.
7903         (Start_group::~Start_group): New function.
7904         (Start_group::is_runnable): New function.
7905         (Start_group::locks, Start_group::run): New functions.
7906         (Finish_group::run): Change saw_undefined to size_t.
7907         * readsyms.h (class Start_group): Define.
7908         (class Finish_group): Change saw_undefined_ field to size_t.
7909         (Finish_group::Finish_group): Remove saw_undefined and
7910         this_blocker parameters.  Change all callers.
7911         (Finish_group::set_saw_undefined): New function.
7912         (Finish_group::set_blocker): New function.
7913         * symtab.h (class Symbol_table): Change saw_undefined to return
7914         size_t.  Change saw_undefined_ field to size_t.
7915         * target-select.cc (Set_target_once::do_run_once): New function.
7916         (Target_selector::Target_selector): Initialize set_target_once_
7917         field.  Don't initialize lock_ and initialize_lock_ fields.
7918         (Target_selector::instantiate_target): Rewrite.
7919         (Target_selector::set_target): New function.
7920         * target-select.h (class Set_target_once): Define.
7921         (class Target_selector): Update declarations.  Make
7922         Set_target_once a friend.  Remove lock_ and initialize_lock_
7923         fields.  Add set_target_once_ field.
7924
7925 2010-02-10  Ian Lance Taylor  <iant@google.com>
7926
7927         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
7928         queueing any tasks.
7929         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
7930         (queue_middle_tasks): Add all blockers before queueing any tasks.
7931         (queue_final_tasks): Likewise.
7932         * token.h (Task_token::add_blockers): New function.
7933         * object.h (Input_objects::number_of_relobjs): New function.
7934
7935 2010-02-10  Ian Lance Taylor  <iant@google.com>
7936
7937         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
7938         shared, not if not position independent.
7939         * x86_64.cc (Relocate::relocate_tls): Likewise.
7940         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
7941         (tls_pie_pic_test): New target.
7942         * testsuite/Makefile.in: Rebuild.
7943
7944         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
7945         (tls_test_main_pie.o, tls_test_pie.o): New targets.
7946         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
7947         * testsuite/Makefile.in: Rebuild.
7948
7949 2010-02-09  David S. Miller  <davem@davemloft.net>
7950
7951         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
7952         R_SPARC_RELATIVE using ->add_local_relative().
7953         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
7954
7955         * output.h (Output_data_dynamic::add_section_size): New method
7956         that takes two Output_data objects.
7957         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
7958         entry param.  Handle it in initializers.
7959         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
7960         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
7961         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
7962         arg.
7963         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
7964         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
7965         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
7966         for dynrel_includes_plt.
7967         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7968         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7969         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
7970         before .rela.plt
7971         (Target_sparc::do_finalize_sections): Update to pass true for
7972         dynrel_includes_plt.
7973         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7974         output before .rela.plt
7975         (Target_powerpc::do_finalize_sections): Update to pass true for
7976         dynrel_includes_plt when 32-bit.
7977
7978 2010-02-08  Doug Kwan  <dougkwan@google.com>
7979
7980         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7981         method.
7982         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7983         Arm_relobj::scan_section_for_cortex_a8_stubs,
7984         Arm_relobj::do_relocation_section): Instead of calling
7985         Output_section::output_address, use faster
7986         Arm_relobj::simple_input_section_output_address.
7987
7988 2010-02-08  David S. Miller  <davem@davemloft.net>
7989
7990         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7991         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7992         relocation helper function.
7993
7994         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7995         just like R_SPARC_GOT{10,13,22}.
7996         (Target_sparc::Scan::local): Likewise.
7997         (Target_sparc::Relocate:relocate): Likewise.
7998
7999 2010-02-06  Ian Lance Taylor  <iant@google.com>
8000
8001         * configure.ac: Rewrite targetobjs duplicate removal code to use
8002         only shell constructs.
8003         * configure: Rebuild.
8004
8005 2010-02-05  Doug Kwan  <dougkwan@google.com>
8006
8007         PR 11247
8008         * arm.cc (Arm_relobj::section_is_scannable): New method.
8009         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
8010         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
8011
8012 2010-02-04  Doug Kwan  <dougkwan@google.com>
8013
8014         PR 11247
8015         * arm-reloc-property.cc (cstdio): Include.
8016         * configure.ac (targetobjs): Remove duplicates.
8017         * configure: Regenerate.
8018         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
8019         big and little endian version for a given address size.
8020
8021 2010-02-03  Doug Kwan  <dougkwan@google.com>
8022
8023         * arm-reloc-property.cc
8024         (Arm_reloc_property_table::reloc_name_in_error_message): New method
8025         definition.
8026         * arm-reloc-property.h
8027         (Arm_reloc_property_table::get_implemented_static_reloc_property):
8028         New method definition.
8029         (Arm_reloc_property_table::reloc_name_in_error_message): New method
8030         declaration.
8031         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
8032         overflow to N.
8033         (GOT_PREL): Change implemented to Y.
8034         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
8035         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
8036         (Arm_relocate_functions::movw_abs_nc): Remove method.
8037         (Arm_relocate_functions::movt_abs): Ditto.
8038         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
8039         (Arm_relocate_functions::thm_movt_abs): Ditto.
8040         (Arm_relocate_functions::movw_rel_nc): Ditto.
8041         (Arm_relocate_functions::movw_rel): Ditto.
8042         (Arm_relocate_functions::movt_rel): Ditto.
8043         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
8044         (Arm_relocate_functions:thm_movw_rel): Ditto.
8045         (Arm_relocate_functions:thm_movt_rel): Ditto.
8046         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
8047         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
8048         New method definitions.
8049         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
8050         (Arm_relocation_functions::arm_grp_ldr): Ditto.
8051         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
8052         (Arm_relocation_functions::arm_grp_ldc): Ditto.
8053         (Target_arm::Relocate::relocate): Check for non-static or
8054         unimplemented relocation code and exit early.  Change calls to
8055         Target_arm::reloc_uses_thumb_bit and
8056         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
8057         instead.  Refactor code to handle similar relocations to increase
8058         code sharing.  Remove check for unsupported relocation code in switch
8059         statement.
8060         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
8061         relocation property table to find out size.  Change error message to
8062         print out the name of a relocation code instead of the numeric value.
8063         (Target_arm::scan_reloc_for_stub): Use relocation property table
8064         instead of calling Target_arm::reloc_uses_thumb_bit().
8065
8066 2010-02-02  Doug Kwan  <dougkwan@google.com>
8067
8068         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
8069         types of relaxed input section.
8070
8071 2010-02-02  Doug Kwan  <dougkwan@google.com>
8072
8073         * Makefile.am (HFILES): Add arm-reloc-property.h.
8074         (DEFFILES): New.
8075         (TARGETSOURCES): Add arm-reloc-property.cc
8076         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
8077         (libgold_a_SOURCES): $(DEFFILES)
8078         * Makefile.in: Regenerate.
8079         * arm-reloc-property.cc: New file.
8080         * arm-reloc-property.h: New file.
8081         * arm-reloc.def: New file.
8082         * arm.cc: Update comments.
8083         (arm-reloc-property.h): New included header.
8084         (arm_reloc_property_table): New global variable.
8085         (Target_arm::do_select_as_default_target): New method definition.
8086         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
8087         arm-reloc-property to targ_extra_obj.
8088         * parameters.cc (set_parameters_target): Call
8089         Target::select_as_default_target().
8090         * target.h (Target::select_as_default_target): New method definition.
8091         (Target::do_select_as_default_target): Same.
8092
8093 2010-02-01  Doug Kwan  <dougkwan@google.com>
8094
8095         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
8096         first_output_text_section_.
8097         (Arm_exidx_fixup::first_output_text_section): New method definition.
8098         (Arm_exidx_fixup::first_output_text_section_): New data member.
8099         (Arm_exidx_fixup::process_exidx_section): Record the first text
8100         output section seen.
8101         (Arm_output_section::fix_exidx_coverage): Set correct linked section
8102         and entsize in output section header.
8103
8104 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8105
8106         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
8107         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
8108         (Arm_relocate_functions::thm_alu11): New Method.
8109         (Arm_relocate_functions::thm_pc8): New Method.
8110         (Arm_relocate_functions::thm_pc12): New Method.
8111         (Target_arm::Scan::local): Handle the relocations.
8112         (Target_arm::Scan::global): Likewise.
8113         (Target_arm::Relocate::relocate): Likewise.
8114         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8115
8116 2010-01-29  Doug Kwan  <dougkwan@google.com>
8117
8118         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
8119         of relocation types as ld.
8120
8121 2010-01-29  Doug Kwan  <dougkwan@google.com>
8122
8123         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
8124         to public.
8125         (Arm_relocate_functions::thumb_branch_common): Ditto.
8126         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
8127         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
8128         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
8129         Arm_relocate_functions::jump24): Remove.
8130         (Target_arm::Relocate::relocate): Adjust code to call
8131         Arm_relocation_functions::arm_branch_common and
8132         Arm_relocation_functions::thumb_branch_common instead of their removed
8133         wrappers.  Merge switch-cases together to reduce source code size.
8134
8135 2010-01-29  Doug Kwan  <dougkwan@google.com>
8136
8137         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
8138         output_local_symbol_count_needs_update_.
8139         (Arm_relobj::output_local_symbol_count_needs_update,
8140          Arm_relobj::set_output_local_symbol_count_needs_update,
8141          Arm_relobj::update_output_local_symbol_count): New methods.
8142         (Arm_relobj::output_local_symbol_count_needs_update_): New data
8143         member.
8144         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
8145         of pointed function as in a R_ARM_PREL31 relocation.
8146         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
8147         for output local symbol count updating.
8148         (Target_arm::do_relax): Update output local symbol counts in objects
8149         if necessary.
8150         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
8151
8152 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8153
8154         * arm.cc: Added support for the ARM relocations:
8155         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
8156         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
8157         (Arm_relocate_functions::movw_rel_nc): Renamed (was
8158         movw_prel_nc).
8159         (Arm_relocate_functions::movw_rel): New method.
8160         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
8161         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
8162         thm_movw_prel_nc).
8163         (Arm_relocate_functions::thm_movw_rel): New method.
8164         (Arm_relocate_functions::thm_movt_rel): Renamed (was
8165         thm_movt_prel).
8166         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
8167         relocations.
8168         (Target_arm::Scan::global): Likewise.
8169         (Target_arm::Relocate::relocate): Likewise.
8170         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8171         Likewise.
8172
8173 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8174
8175         * arm.cc: Added support for ARM group relocations.
8176         (Target_arm::reloc_needs_sym_origin): New method.
8177         (Arm_relocate_functions::calc_grp_kn): New method.
8178         (Arm_relocate_functions::calc_grp_residual): New method.
8179         (Arm_relocate_functions::calc_grp_gn): New method.
8180         (Arm_relocate_functions::arm_grp_alu): New Method.
8181         (Arm_relocate_functions::arm_grp_ldr): New Method.
8182         (Arm_relocate_functions::arm_grp_ldrs): New Method.
8183         (Arm_relocate_functions::arm_grp_ldc): New Method.
8184         (Target_arm::Scan::local): Handle the ARM group relocations.
8185         (Target_arm::Scan::global): Likewise.
8186         (Target_arm::Relocate::relocate): Likewise.
8187         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8188         Likewise.
8189
8190 2010-01-26  Doug Kwan  <dougkwan@google.com>
8191
8192         * arm.cc (set): Include.
8193         (class Arm_exidx_fixup): Change type of last_input_section_ to const
8194         pointer type.
8195         (Arm_output_section::Text_section_list): New type.
8196         (Arm_output_section::append_text_sections_to_list): New method.
8197         (Arm_output_section::fix_exidx_coverage): Ditto.
8198         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
8199         (Arm_relobj::convert_input_section_to_relaxed_section): Use
8200         Relobj::set_section_offset() instead of
8201         Sized_relobj::invalidate_section_offset().
8202         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
8203         parameter for section headers. Ignore relocation sections for
8204         unallocated sections and EXIDX sections.
8205         (Target_arm::fix_exidx_coverage): New method.
8206         (Target_arm::output_section_address_less_than): New type.
8207         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
8208         linked text section instead of the EXIDX section.
8209         (Arm_output_section::create_stub_group): Add an assertion to check
8210         that this is not an EXIDX output section.
8211         (Arm_output_section::append_text_sections_to_list): New method.
8212         (Arm_output_section::fix_exidx_coverage): Ditto.
8213         (Arm_relobj::scan_sections_for_stubs): Adjust call to
8214         Arm_relobj::section_needs_reloc_stub_scanning.
8215         (Target_arm::do_relax): Fix EXIDX output section coverage in the
8216         first pass.
8217         (Target_arm::fix_exidx_coverage): New method.
8218         * object.h (Relobj::set_output_section): New method.
8219         (Sized_relobj::invalidate_section_offset): Remove method.
8220         (Sized_relobj::do_invalidate_section_offset): Remove method.
8221         (Sized_relobj::do_set_section_offset): Handle offset value -1.
8222
8223 2010-01-25  Doug Kwan  <dougkwan@google.com>
8224
8225         * arm.cc (Arm_exidx_merged_section::do_output_offset):
8226         Fix warning due to signed and unsigned comparison on a 32-bit host.
8227
8228 2010-01-22  Doug Kwan  <dougkwan@google.com>
8229
8230         * arm.cc (Target_arm::do_relax): Record an output section for section
8231         offset adjustment it contains any stub table that has changed.
8232         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
8233         offsets in an output section if necessary.
8234         * output.cc (Output_section::Output_section): Initialize
8235         section_offsets_need_adjustments_.
8236         (Output_section::add_input_section_for_script): Renamed to
8237         Output_section::add_simple_input_section.
8238         (Output_section::save_states): Add a comment.
8239         (Output_section::discard_states): New method defintion.
8240         (Output_section::adjust_section_offsets): Same.
8241         * output.h (Output_section::add_input_section_for_script): Renamed to
8242         Output_section::add_simple_input_section.
8243         (Output_section::discard_states): New method declaration.
8244         (Output_section::adjust_section_offsets): Same.
8245         (Output_section::section_offsets_need_adjustment,
8246         Output_section::set_section_offsets_need_adjustment): New method
8247         definitions.
8248         (Output_section::section_offsets_need_adjustment_): New data member.
8249         * script-sections.cc
8250         (Output_section_element_input::set_section_address): Adjust code for
8251         renaming of Output_section::add_input_section_for_script.
8252         (Orphan_output_section::set_section_address): Same.
8253
8254 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8255
8256         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
8257         Fix_v4bx enum values .
8258         * gold/options.h (General_options): New option definitions.
8259         (General_options::fix_v4bx): New method.
8260         (General_options::Fix_v4bx): New enum.
8261         * gold/options.cc (General_options::parse_fix_v4bx): New method.
8262         (General_options::parse_fix_v4bx_interworking): New method.
8263
8264 2010-01-22  Doug Kwan  <dougkwan@google.com>
8265
8266         * arm.cc (Arm_exidx_fixup): New class.
8267
8268 2010-01-21  Doug Kwan  <dougkwan@google.com>
8269
8270         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
8271         classes.
8272         (Arm_exidx_section_offset_map): New type.
8273
8274 2010-01-21  Doug Kwan  <dougkwan@google.com>
8275
8276         * arm.cc (Arm_exidx_input_section): New class.
8277         (Arm_relobj::exidx_input_section_by_link,
8278         Arm_relobj::exidx_input_section_by_shndx,
8279         Arm_relobj::make_exidx_input_section): New methods.
8280         (read_arm_attributes_section): Remove.
8281         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
8282         information about them.
8283         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
8284         to here.
8285
8286 2010-01-20  Doug Kwan  <dougkwan@google.com>
8287
8288         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
8289         Input_section_specifier to Section_id.
8290         (Target_arm::new_arm_input_section: Adjust code for change of key
8291         type.
8292         (Target_arm::find_arm_input_section): Ditto.
8293         * gc.h (object.h): Include for Section_id nand Section_id_hash.
8294         (Section_id): Remove.
8295         (Garbage_collection::Section_id_hash): Remove.
8296         * icf.h (object.h): Include for Section_id nand Section_id_hash.
8297         (Section_id): Remove.
8298         (Icf::Section_id_hash): Remove.
8299         * object.h (Section_id, Const_section_id, Section_id_hash,
8300         Const_section_id_hash): New type definitions.
8301         * output.cc (Output_section::add_relaxed_input_section): Change to
8302         use Const_section_id instead of Input_section_specifier as key type.
8303         (Output_section::add_merge_input_section): Ditto.
8304         (Output_section::build_relaxation_map): Change to use Section_id
8305         instead of Input_section_specifier as key type.
8306         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8307         Ditto.
8308         (Output_section::convert_input_sections_to_relaxed_sections): Change
8309         to use Const_section_id instead of Input_section_specifier as key type.
8310         (Output_section::find_merge_section): Ditto.
8311         (Output_section::find_relaxed_input_section): Ditto.
8312         * output.h (Input_section_specifier): Remove class.
8313         (Output_section::Output_section_data_by_input_section_map): Change
8314         key type to Const_section_id.
8315         (Output_section::Output_relaxed_input_section_by_input_section_map):
8316         Ditto.
8317         (Output_section::Relaxation_map): Change key type to Section_id.
8318
8319 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8320
8321         * gold/arm.cc: Added support for R_ARM_V4BX relocation
8322         (class Arm_v4bx_stub): New class.
8323         (DEF_STUBS): Updated definition to support v4_veneer_bx.
8324         (Stub_factory::make_arm_v4bx_stub): New method.
8325         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
8326         (Stub_table::empty): Handle v4bx stubs.
8327         (Stub_table::add_arm_v4bx_stub): New method.
8328         (Stub_table::find_arm_v4bx_stub): New method.
8329         (Arm_relocate_functions::v4bx): New method.
8330         (Target_arm::fix_v4bx): New method.
8331         (Target_arm::Target_arm): Handle R_ARM_V4BX.
8332         (Stub_table::relocate_stubs): Likewise.
8333         (Stub_table::do_write): Likewise.
8334         (Stub_table::update_data_size_and_addralign): Likewise.
8335         (Stub_table::finalize_stubs):  Likewise.
8336         (Target_arm::Scan::local): Likewise.
8337         (Target_arm::Scan::global): Likewise.
8338         (Target_arm::do_finalize_sections): Likewise.
8339         (Target_arm::Relocate::relocate): Likewise.
8340         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8341         Likewise.
8342         (Target_arm::scan_reloc_for_stub): Likewise.
8343         (Target_arm::scan_reloc_section_for_stubs): Likewise.
8344
8345 2010-01-19  Ian Lance Taylor  <iant@google.com>
8346
8347         * output.cc (Output_section_headers::do_sized_write): Write large
8348         segment count to sh_info field.
8349         (Output_file_header::do_sized_write): For large segment count,
8350         write PN_XNUM to e_phnum field.
8351
8352 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8353
8354         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
8355         (Arm_relocate_functions::thm_jump8): New function.
8356         (Arm_relocate_functions::thm_jump11): New function.
8357         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
8358         R_ARM_THM_JUMP11.
8359         (Target_arm::Scan::global): Likewise.
8360         (Target_arm::Relocate::relocate): Likewise.
8361         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8362         Likewise.
8363
8364 2010-01-14  Doug Kwan  <dougkwan@google.com>
8365
8366         * arm.cc (map, utility): Include headers.
8367         (Target_arm::apply_cortex_a8_workaround): New method.
8368         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
8369         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
8370         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
8371         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
8372         the --[no-]fix-cortex-a8 command line options.
8373         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
8374         (Target_arm::relocate_stub): Use addend in instruction template.
8375         * options.h (DEFINE_bool): Set the user-set flag.
8376         (General_options): Add --[no-]-fix-cortex options.
8377         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
8378         : Update fast look-up map after conversion.
8379
8380 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
8381
8382         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
8383         in the first pass of do_layout.
8384
8385 2010-01-13  Doug Kwan  <dougkwan@google.com>
8386
8387         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8388         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
8389         apparent compiler problem of not folding static constant integral
8390         data members of elfcpp::Elf_sizes<32>.
8391
8392 2010-01-13  Doug Kwan  <dougkwan@google.com>
8393
8394         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8395         Arm_relobj::section_needs_cortex_a8_stub_scanning,
8396         Arm_relobj::scan_section_for_cortex_a8_erratum,
8397         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
8398         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
8399         sections to scan for relocation stubs into a new method
8400         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
8401         relocation and Cortex-A8 stub scanning.
8402         (Target_arm::do_relax): Force stubs to be after stubbed sections
8403         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
8404         the beginning of a new relaxation pass.  Update a comment.
8405         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
8406
8407 2010-01-12  Ian Lance Taylor  <iant@google.com>
8408
8409         * target-reloc.h (visibility_error): New inline function.
8410         (relocate_section): Call visibility_error.
8411         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
8412         (MOSTLYCLEANFILES): Likewise.
8413         (protected_4_pic.o, protected_3.err): New targets.
8414         * testsuite/protected_4.cc: New file.
8415
8416 2010-01-12  Doug Kwan  <dougkwan@google.com>
8417
8418         * arm.cc (Cortex_a8_reloc): New class.
8419         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
8420         and cortex_a8_relocs_info_.
8421         (Target_arm::fix_cortex_a8): New method definition.
8422         (Target_arm::Cortex_a8_relocs_info): New type.
8423         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
8424         New data member declarations.
8425         (Target_arm::scan_reloc_for_stub): Record information about
8426         relocations for THUMB branches that might be exempted from the
8427         Cortex-A8 workaround.
8428         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
8429         at the beginning of a relaxation pass.
8430
8431 2010-01-12  Doug Kwan  <dougkwan@google.com>
8432
8433         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
8434         (Arm_relobj::Mapping_symbol_position,
8435          Arm_reloj::Mapping_symbol_position_less,
8436          Arm_relobj::Mapping_symbols_info): New types.
8437         (Target_arm::is_mapping_symbol_name): New method definition.
8438         (Arm_relobj::do_count_local_symbols): Save information about mapping
8439         symbols.
8440
8441 2010-01-11  Doug Kwan  <dougkwan@google.com>
8442
8443         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
8444         Arm_relocate_functions::thumb32_branch_upper,
8445         Arm_relocate_functions::thumb32_branch_lower,
8446         Arm_relocate_functions::thumb32_cond_branch_offset,
8447         Arm_relocate_functions::thumb32_cond_branch_upper,
8448         Arm_relocate_functions::thumb32_cond_branch_lower,
8449         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
8450         branch offset encoding.
8451         (Arm_relocate_functions::thumb_branch_common): Use new branch
8452         offset encoding methods to avoid code duplication.
8453         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
8454         (Stub_addend_reader::operator()): Use new branch encoding method
8455         to avoid code duplication.
8456
8457 2010-01-11  Doug Kwan  <dougkwan@google.com>
8458
8459         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
8460         (Target_arm::do_finalize_sections): Define special EXIDX section
8461         symbols only if referenced.
8462         * gc.h (Garbage_collection::add_reference): New method.
8463         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
8464         code duplication.
8465
8466 2010-01-11  Ian Lance Taylor  <iant@google.com>
8467
8468         * script.cc (Version_script_info::build_expression_list_lookup):
8469         Change complaing about duplicate wildcard match from error to
8470         warning.
8471
8472         * script.cc (class Lazy_demangler): Recreate--revert part of patch
8473         of 2009-12-30.
8474         (Version_script_info::Version_script_info): Initialize globs_,
8475         default_version_, default_is_global_, and exact_.  Don't
8476         initialize globals_ or locals_.
8477         (Version_script_info::build_lookup_tables): Build local symbols
8478         first.
8479         (Version_script_info::unquote): New function.
8480         (Version_script_info::add_exact_match): New function.
8481         (Version_script_info::build_expression_list_lookup): Remove lookup
8482         parameter.  Add is_global parameter.  Change all callers.  Handle
8483         wildcard pattern specially.  Unquote pattern.  Call
8484         add_exact_match.
8485         (Version_script_info::get_name_to_match): New function.
8486         (Version_script_info::get_symbol_version): New function.
8487         (Version_script_info::get_symbol_version_helper): Remove.
8488         (Version_script_info::check_unmatched_names): Call unquote.
8489         * script.h (class Version_script_info): Change get_symbol_version
8490         to be non-inline and add is_global parameter; change all callers.
8491         Rewrite symbol_is_local.  Update declarations.  Define struct
8492         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
8493         Remove globals_ and locals_ members.  Add exact_, globs_,
8494         default_version_, is_global_.
8495         (Version_script_info::Glob): Remove pattern, add expression and
8496         is_global.  Update constructor.  Change all callers.
8497         * dynobj.cc (Versions::finalize): Mark the version symbol as the
8498         default version.
8499         (Versions::symbol_section_contents): If a symbol is undefined, or
8500         defined in a dynamic object, set the version index to
8501         VER_NDX_LOCAL.
8502         * symtab.cc (Symbol_table::add_from_relobj): Don't call
8503         symbol_is_local.
8504         (Symbol_table::add_from_pluginobj): Likewise.
8505         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
8506
8507 2010-01-11  Doug Kwan  <dougkwan@google.com>
8508
8509         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
8510         (incremental_dump_LDADD): Add linking option for libintl.
8511         * Makefile.in: Regenerate.
8512
8513 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8514
8515         PR gold/11144
8516         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
8517         instead of -Ds.
8518         * testsuite/Makefile.in: Regenerated.
8519
8520 2010-01-10  Doug Kwan  <dougkwan@google.com>
8521
8522         * options.h (DEFINE_var): Use parentheses around argument varname__
8523         in macro body to avoid any unintended subsequent substitutions.
8524
8525 2010-01-10  Ian Lance Taylor  <iant@google.com>
8526
8527         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
8528         candidates before doing symbol resolution.
8529
8530         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
8531         ODR candidates if only one is weak.
8532
8533 2010-01-08  Ian Lance Taylor  <iant@google.com>
8534
8535         * script.cc (Version_script_info::build_expression_list_lookup):
8536         Don't warn about ambiguous version, just record the ambiguity.
8537         (Version_script_info::get_symbol_version_helper): Give error if
8538         version is ambiguous.
8539
8540 2010-01-08  Doug Kwan  <dougkwan@google.com>
8541
8542         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
8543         prev_data_size_ and prev_addralign_.  Remove initializer for
8544         deleted data member has_been_changed_.
8545         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
8546         to determine if the table is empty.
8547         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
8548         Remove.
8549         (Stub_table::add_reloc_stub): Define method in class definition
8550         instead of just declaring it there.
8551         (Stub_table::add_cortex_a8_stub): New method definition.
8552         (Stub_table::update_data_size_and_addralign): Ditto.
8553         (Stub_table::finalize_stubs): Ditto.
8554         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
8555         (Stub_table::do_addralign_): Return address alignment in the
8556         (Stub_table::do_reset_address_and_file_offset): Define method in
8557         class definition instead of declaring it there.  Set current data
8558         size to be the data size of the previous pass.
8559         (Stub_table::set_final_data_size): Use current data size as the
8560         final data size.
8561         (Stub_table::relocate_stub): Change parameter type of stub from
8562         Reloc_stub pointer to Stub pointer.
8563         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
8564         (Stub_table::Cortex_a8_stub_list): New typedef.
8565         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
8566          Stub_table::prev_addralign_): New data member.
8567         (Arm_relobj::Arm_relobj): Initialize data member
8568         section_has_cortex_a8_workaround_.
8569         (Arm_relobj::section_has_cortex_a8_workaround,
8570          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
8571          definitions.
8572         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
8573         declarations.
8574         (Target_arm::relocate_stub): Change parameter type of stub from
8575         Reloc_stub pointer to Stub pointer.
8576         (Insn_template::size, Insn_template::alignment): Handle
8577         THUMB16_SPECIAL_TYPE.
8578         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
8579          Stub_table::update_data_size_and_addralign,
8580          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
8581         definitions.
8582         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
8583         (Stub_table::do_write): Ditto.
8584         (Target_arm::do_relax): Adjust code for changes in Stub_table.
8585
8586 2010-01-08  Ian Lance Taylor  <iant@google.com>
8587
8588         PR 11108
8589         * symtab.h (class Symbol): Remove fields is_target_special_ and
8590         has_plt_offset_.  Add field is_defined_in_discarded_section_.
8591         (Symbol::is_defined_in_discarded_section): New function.
8592         (Symbol::set_is_defined_in_discarded_section): New function.
8593         (Symbol::has_plt_offset): Rewrite.
8594         (Symbol::set_plt_offset): Verify that new offset is not -1U.
8595         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
8596         Don't initialize is_target_special_ or has_plt_offset_.
8597         Initialize is_defined_in_discarded_section_.
8598         (Symbol_table::add_from_relobj): If appropriate, set
8599         is_defined_in_discarded_section.
8600         * resolve.cc (Symbol::override_base_with_special): Don't test
8601         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
8602         * target-reloc.h (relocate_section): Do special handling for
8603         symbols defined in discarded sections for global symbols as well
8604         as local symbols.
8605
8606 2010-01-08  Ian Lance Taylor  <iant@google.com>
8607
8608         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
8609         the SHT_SYMTAB case.
8610
8611 2010-01-08  Ian Lance Taylor  <iant@google.com>
8612
8613         * object.cc (Sized_relobj::do_layout): Don't get confused if
8614         layout_eh_frame returns NULL.
8615
8616 2010-01-08  Ian Lance Taylor  <iant@google.com>
8617
8618         PR 11084
8619         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
8620         dynamic symbol table, use the normal symbol table.
8621         (Sized_dynobj::do_read_symbols): Remove assertion about type of
8622         symbol table.
8623
8624 2010-01-08  Ian Lance Taylor  <iant@google.com>
8625
8626         PR 11072
8627         * layout.cc (Layout::include_section): Remove .gnu_debuglink
8628         sections.
8629
8630 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8631
8632         * version.cc (print_version): Change to "Copyright 2010".
8633
8634 2010-01-08  Ian Lance Taylor  <iant@google.com>
8635
8636         PR 10287
8637         PR 11063
8638         * i386.cc (class Target_i386): Change return type of plt_section
8639         to be non-const.
8640         (class Output_data_plt_i386): Add tls_desc_rel_ field.
8641         (Output_data_plt_i386::Output_data_plt_i386): Initialize
8642         tls_desc_rel_ field.
8643         (Output_data_plt_i386::rel_tls_desc): New function.
8644         (Target_i386::rel_tls_desc_section): New function.
8645         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
8646         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
8647         R_386_TLS_DESC reloc in rel_tls_desc_section.
8648         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
8649         Define struct Tlsdesc_info.
8650         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
8651         (Target_x86_64::do_reloc_symbol_index): New function.
8652         (Target_x86_64::add_tlsdesc_info): New function.
8653         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
8654         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
8655         tlsdesc_rel_ field.
8656         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
8657         all callers.
8658         (Output_data_plt_x86_64::rela_tlsdesc): New function.
8659         (Target_x86_64::rela_tlsdesc_section): New function.
8660         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
8661         handling.
8662         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
8663         (Target_x86_64::do_reloc_addend): New function.
8664         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
8665         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
8666         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
8667         (Output_reloc::type): New function.
8668         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
8669         (Output_reloc::is_target_specific): New function.
8670         (Output_reloc::target_arg): New function.
8671         (class Output_reloc) [SHT_RELA]: Add four new constructors for
8672         absolute relocs and target specific relocs.
8673         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
8674         add_target_specific.
8675         (class Output_data_reloc) [SHT_RELA]: Likewise.
8676         * output.cc (Output_reloc::Output_reloc): Add four new versions
8677         for absolute relocs and target specific relocs.
8678         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
8679         (Output_reloc::get_symbol_index): Likewise.
8680         (Output_reloc::local_section_offset): Check that local_sym_index_
8681         is not TARGET_CODE or 0.
8682         (Output_reloc::symbol_value): Likewise.
8683         (Output_reloc::write) [SHT_RELA]: Call target for target specific
8684         reloc.
8685         * target.h (class Target): Add reloc_symbol_index and reloc_addend
8686         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
8687         functions.
8688         * layout.cc (add_target_dynamic_tags): Use output section for
8689         DT_PLTRELSZ and DT_JMPREL.
8690
8691 2010-01-07  Ian Lance Taylor  <iant@google.com>
8692
8693         PR 11061
8694         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
8695         function.
8696         (class Output_data_reloc_generic): Define.
8697         (class Output_data_reloc_base): Change base class to
8698         Output_data_reloc_generic.  Change add() method to call
8699         bump_relative_reloc_count for a relative reloc.  Remove
8700         sort_relocs_ field.
8701         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
8702         to sort_relocs().
8703         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
8704         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
8705         appropriate.
8706         * layout.h (class Layout): Update declaration.
8707
8708 2010-01-07  Ian Lance Taylor  <iant@google.com>
8709
8710         * output.h (class Output_data): Add const version of
8711         output_section and do_output_section.
8712         (class Output_section_data): Add const version of
8713         do_output_section.
8714         (class Output_section): Likewise.
8715         * layout.cc (Layout::add_target_dynamic_tags): New function.
8716         * layout.h (class Layout): Update declarations.
8717         * arm.cc (Target_arm::do_finalize_sections): Use
8718         add_target_dynamic_tags.
8719         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8720         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8721         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8722         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8723
8724 2010-01-07  Ian Lance Taylor  <iant@google.com>
8725
8726         PR 11042
8727         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
8728         object as needed.
8729
8730 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
8731             Ian Lance Taylor  <iant@google.com>
8732
8733         PR 11019
8734         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
8735         Xindex::read_symtab_xindex.
8736
8737 2010-01-07  Doug Kwan  <dougkwan@google.com>
8738
8739         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
8740         (Insn_template::thumb16_bcond_insn): New method declaration.
8741         (Insn_template): Fix spelling.
8742         (Stub::thumb16_special): New method declaration.
8743         (Stub::do_write): Define virtual method which was previously pure
8744         virtual.
8745         (Stub::do_thumb16_special): New method declaration.
8746         (Stub::do_fixed_endian_write): New template member.
8747         (Reloc_stub::do_write): Remove.
8748         (Reloc_stub::do_fixed_endian_write): Remove.
8749         (Cortex_a8_stub): New class definition.
8750         (Stub_factory::make_cortex_a8_stub): New method definition.
8751         (Stub_factory::Stub_factory): Add missing static storage class
8752         qualifier for elf32_arm_stub_a8_veneer_blx.
8753
8754 2010-01-07  Ian Lance Taylor  <iant@google.com>
8755
8756         PR 10980
8757         * options.h (class General_options): Add --warn-unresolved-symbols
8758         and --error-unresolved-symbols.
8759         * errors.cc (Errors::undefined_symbol): Implement
8760         --warn-unresolved-symbols.
8761
8762         * options.h (class General_options): Add -z text and -z textoff.
8763         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
8764
8765 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
8766
8767         * gc.h (Garbage_collection::Cident_section_map): New typedef.
8768         (Garbage_collection::cident_sections): New function.
8769         (Garbage_collection::add_cident_section): New function.
8770         (Garbage_collection::cident_sections_): New member.
8771         (gc_process_relocs): Add references to sections whose names are C
8772         identifiers.
8773         * gold.h (cident_section_start_prefix): New constant.
8774         (cident_section_stop_prefix): New constant.
8775         (is_cident): New function.
8776         * layout.cc (Layout::define_section_symbols): Replace string constants
8777         with the newly defined constants.
8778         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8779         C identifiers.
8780         * testsuite/Makefile.am: Add gc_orphan_section_test.
8781         * testsuite/Makefile.in: Regenerate.
8782         * testsuite/gc_orphan_section_test.cc: New file.
8783         * testsuite/gc_orphan_section_test.sh: New file.
8784
8785 2010-01-06  Ian Lance Taylor  <iant@google.com>
8786
8787         PR 10980
8788         * options.h (class General_options): Add --warn-shared-textrel.
8789         * layout.cc (Layout::finish_dynamic_section): Implement
8790         --warn-shared-textrel.
8791
8792         PR 10980
8793         * options.h (class General_options): Add --warn-multiple-gp.
8794
8795 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8796
8797         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8798         $(THREADSLIB) and $(LIBDL).
8799         * Makefile.in: Rebuild.
8800
8801 2010-01-06  Ian Lance Taylor  <iant@google.com>
8802
8803         PR 10980
8804         * options.cc (General_options::parse_section_start): New function.
8805         (General_options::section_start): New function.
8806         (General_options::General_options): Initialize all members.
8807         * options.h: Include <map>
8808         (class General_options): Add --section-start.  Add section_starts_
8809         member.
8810         * layout.cc (Layout::attach_allocated_section_to_segment): If
8811         --section-start was used, set the address of the segment.  Remove
8812         local sort_sections.
8813         (Layout::relaxation_loop_body): If the address of the load segment
8814         has been set by --section-start, don't use it.
8815         * output.h (Output_segment::update_flags_for_output_section): New
8816         function.
8817         * output.cc (Output_segment::add_output_section): Call
8818         update_flags_for_output_section.
8819
8820 2010-01-05  Ian Lance Taylor  <iant@google.com>
8821
8822         PR 10980
8823         * options.h (class General_options): Add --undefined-version.
8824         * script.cc (struct Version_expression): Add was_matched_by_symbol
8825         field.
8826         (Version_script_info::matched_symbol): New function.
8827         (Version_script_info::get_symbol_version_helper): Call
8828         matched_symbol.
8829         (Version_script_info::check_unmatched_names): New function.
8830         * script.h (class Version_script_info): Update declarations.
8831         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8832
8833         * options.h (class General_options): Use DEFINE_bool_alias for
8834         allow_multiple_definition.
8835         * resolve.cc (Symbol_table::should_override): Don't test
8836         allow_multiple_definition.
8837
8838         PR 10980
8839         * options.h (class General_options): Add --cref.
8840         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8841         until after printing cref table.
8842         * cref.cc: Include "symtab.h".
8843         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8844         (Cref_table_compare::operator()): New function.
8845         (Cref_inputs::gather_cref): New function.
8846         (filecol): New static const.
8847         (Cref_inputs::print_cref): New function.
8848         (Cref::print_cref): New function.
8849         * cref.h: Include <cstdio>.
8850         (class Cref): Update declarations.
8851         * mapfile.h (Mapfile::file): New function.
8852         * object.h (class Object): Define Symbols.  Declare virtual
8853         do_get_global_symbols.
8854         (Object::get_global_symbols): New function.
8855         * object.cc (Input_objects::add_object): Pass object to cref_ if
8856         --cref.
8857         (Input_objects::archive_start): Likewise.
8858         (Input_objects::archive_stop): Likewise.
8859         (Input_objects::print_cref): New function.
8860         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8861         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8862         --cref.
8863         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8864         function.
8865         * plugin.h (class Sized_pluginobj): Update declarations.
8866
8867 2010-01-05  Ian Lance Taylor  <iant@google.com>
8868
8869         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8870         to is_default_version.  Rename insdef to insdefault.
8871         (Symbol_table::add_from_relobj): Rename def to is_default_version
8872         and local to is_forced_local.
8873         (Symbol_table::add_from_pluginobj): Likewise.
8874         (Symbol_table::add_from_dynobj): Likewise.
8875         (Symbol_table::define_special_symbol): Rename insdef to
8876         insdefault.
8877
8878 2010-01-04  Ian Lance Taylor  <iant@google.com>
8879
8880         PR 10980
8881         * options.h (class General_options): Add
8882         --allow-multiple-definition and -z muldefs.
8883         * resolve.cc (Symbol_table::should_override): Don't warn about a
8884         multiple symbol definition if --allow-multiple-definition or -z
8885         muldefs.
8886
8887         PR 10980
8888         * options.h (class General_options): Add --add-needed and
8889         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8890         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8891         error if --copy-dt-needed-entries aka --add-needed is used and
8892         would cause a change in behaviour.
8893
8894         PR 10980
8895         * options.h (class General_options): Add -G as a short version of
8896         --shared.  Add no-op options -assert, -g, and -i.
8897
8898 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8899
8900         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8901         check for .text or .gnu.linkonce.t sections.
8902         * icf.cc (Icf::find_identical_sections): Ditto.
8903         Change the detection for mangled function name within the section
8904         name.
8905         * icf.h (is_section_foldable_candidate): New function.
8906
8907 2009-12-30  Ian Lance Taylor  <iant@google.com>
8908
8909         PR 10980
8910         * options.h (class General_options): Permit two dashes with
8911         --retain-symbols-file.
8912
8913 2009-12-30  Ian Lance Taylor  <iant@google.com>
8914
8915         PR 10979
8916         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
8917         don't put the file header and segment headers in the text
8918         segment.
8919
8920         PR 10979
8921         * common.cc (Sort_commons::operator()): Stabilize sort when both
8922         entries are NULL.
8923         (Symbol_table::do_allocate_commons_list): When allocating common
8924         symbols, skip a symbol which is no longer common.
8925         * symtab.h (Symbol::is_common): Test whether the symbol comes from
8926         an object before checking its type.
8927         * testsuite/common_test_2.c: New file.
8928         * testsuite/common_test_3.c: New file.
8929         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
8930         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
8931         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
8932         (common_test_2_pic.o, common_test_2.so): New targets.
8933         (common_test_3_pic.o, common_test_3.so): New targets.
8934         * testsuite/Makefile.in: Rebuild.
8935
8936         PR 10979
8937         * script.cc (read_input_script): If we see a new SECTIONS clause,
8938         and we have added an input section, give an error.
8939         * layout.h (class Layout): Add have_added_input_section function.
8940         Add have_added_input_section_ field.
8941         * layout.cc (Layout::Layout): Initialize
8942         have_added_input_section_.
8943         (Layout::layout): Set have_added_input_section_.
8944         (Layout::layout_eh_frame): Likewise.
8945
8946 2009-12-30  Ian Lance Taylor  <iant@google.com>
8947
8948         PR 10931
8949         * options.h (class General_options): Add --sort-common option.
8950         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
8951         * common.cc (Sort_common): Add sort_order parameter to
8952         constructor.  Add sort_order_ field.
8953         (Sort_commons::operator): Check sort_order_.
8954         (Symbol_table::allocate_commons): Determine the sort order.
8955         (Symbol_table::do_allocate_commons): Add sort_order parameter.
8956         Change all callers.
8957         (Symbol_table::do_allocate_commons_list): Likewise.
8958
8959 2009-12-30  Ian Lance Taylor  <iant@google.com>
8960
8961         PR 10916
8962         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
8963         symbols from this object, don't change the visibility of an
8964         undefined symbol.
8965         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
8966
8967 2009-12-30  Ian Lance Taylor  <iant@google.com>
8968
8969         PR 10861
8970         * script.h (class Version_script_info): Define Language enum.
8971         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8972         new fields globals_, locals_, and is_finalized_.
8973         * script.cc: Various formatting fixes.
8974         (class Parser_closure): Change language_stack_ from a vector of
8975         std::string to one of Version_script_info::Language.  Adjust all
8976         uses accordingly.
8977         (class Lazy_demangler): Remove.
8978         (struct Version_expression): Change language from std::string to
8979         Version_script_info::Language.
8980         (Version_script_info::Version_script_info): New function.
8981         (Version_script_info::~Version_script_info): Don't call clear.
8982         (Version_script_info::finalize): New function.
8983         (Version_script_info::build_lookup_tables): New function.
8984         (Version_script_info::build_expression_list_lookup): New
8985         function.
8986         (Version_script_info::get_symbol_version_helper): Rewrite to use
8987         lookup tables.
8988         (Version_script_info::print_expression_list): Adjust to use
8989         Version_script_info::Language.
8990         (script_push_lex_into_version_mode): Check that the version script
8991         has not been finalized.
8992         (version_script_push_lang): Change language string to
8993         Version_script_info::Language.
8994         * options.cc (Command_line::version_script): New function.
8995         * options.h (class General_options): Add finalize_dynamic_list
8996         function.  Change version_script from declaration to definition.
8997         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8998         * testsuite/version_script.map: Remove duplicate def of foo.
8999         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
9000         version_script.map.
9001         * testsuite/Makefile.in: Rebuild.
9002
9003 2009-12-30  Ian Lance Taylor  <iant@google.com>
9004
9005         PR 10843
9006         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
9007         if the input symbol index is 0, make the output symbol index 0.
9008
9009 2009-12-30  Ian Lance Taylor  <iant@google.com>
9010
9011         PR 10670
9012         * options.h (class General_options): Add -x/--discard-all.
9013         * object.cc (Sized_relobj::do_count_local_symbols): Handle
9014         --discard-all.  If the local symbol needs a dynamic entry, check
9015         that before handling --discard-locals.
9016
9017 2009-12-30  Ian Lance Taylor  <iant@google.com>
9018
9019         PR 10450
9020         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
9021         flags to PF_R.
9022         (Output_segment::add_output_section): Don't change the flags if
9023         the type is PT_TLS.
9024
9025         PR 10450
9026         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
9027         GNU hash table if they need a dynamic value.  Otherwise, don't add
9028         them if they are defined in a dynamic object or are forced local.
9029
9030 2009-12-29  Ian Lance Taylor  <iant@google.com>
9031
9032         PR 10450
9033         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
9034         .gnu.hash table for a 32-bit target.
9035
9036         PR 10450
9037         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
9038         regular and a dynamic object only needs a dynamic symbol table
9039         entry if it is externally visible.
9040
9041         PR 10450
9042         * i386.cc (class Target_i386): Initialize global_offset_table_ in
9043         constructor.  Add global_offset_table_ field.
9044         (Target_i386::got_section): Set global_offset_table_.
9045         (Target_i386::do_finalize_sections): Set global_offset_table_
9046         size.
9047         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
9048         in constructor.  Add global_offset_table_ field.
9049         (Target_x86_64::got_section): Set global_offset_table_.
9050         (Target_x86_64::do_finalize_sections): Set global_offset_table_
9051         size.
9052
9053         * layout.cc (Layout::Layout): Initialize increase_relro_.
9054         (Layout::get_output_section): Add is_relro, is_last_relro, and
9055         is_first_non_relro parameters.  Change all callers.
9056         (Layout::choose_output_section): Likewise.
9057         (Layout::add_output_section_data): Likewise.
9058         (Layout::make_output_section): Likewise.
9059         (Layout::set_segment_offsets): Clear increase_relro when using a
9060         linker script.
9061         * layout.h (class Layout): Add increase_relro method.  Add
9062         increase_relro_ field.  Update declarations.
9063         * output.cc (Output_section::Output_section): Initialize
9064         is_last_relro_ and is_first_non_relro_.
9065         (Output_segment::add_output_section): Group relro sections is
9066         do_sort is true.  Handle is_last_relro and is_first_non_relro.
9067         (Output_segment::maximum_alignment): Remove relro handling.
9068         (Output_segment::set_section_addresses): Add increase_relro
9069         parameter.  Change all callers.  Add initial alignment to align
9070         relro sections on separate page.  Remove old relro handling.
9071         (Output_segment::set_section_list_addresses): Remove in_relro
9072         parameter.  Change all callers.
9073         (Output_segment::set_offset): Add increase parameter.  Change all
9074         callers.  Remove old relro handling.
9075         * output.h (class Output_section): Add new methods: is_last_relro,
9076         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
9077         Add is_last_relro_ and is_first_non_relro_ fields.
9078         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
9079         Create separate .got.plt section.  Call increase_relro.
9080         * x86_64.cc (Target_x86_64::got_section): Likewise.
9081         * testsuite/relro_script_test.t: Add .got.plt.
9082
9083         PR 10450
9084         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
9085         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
9086         (Layout::finalize): Call set_dynamic_symbol_size.
9087         (Layout::set_dynamic_symbol_size): New function.
9088         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
9089         set_dynamic_symbol_size.
9090
9091         PR 10450
9092         * output.h (class Output_section): Add is_entsize_zero_ field.
9093         * output.cc (Output_section::Output_section): Initialize
9094         is_entsize_zero_.
9095         (Output_section::set_entsize): If two different entsizes are
9096         requested, force it to zero.
9097         (Output_section::add_input_section): Set flags for .debug_str
9098         before updating section flags.  Set entsize.
9099         (Output_section::update_flags_for_input_section): Set SHF_MERGE
9100         and SHF_STRING if all input sections have those flags.
9101
9102 2009-12-29   Rafael Espindola  <espindola@google.com>
9103
9104         * main.cc (main): Fix the sys time reporting.
9105         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
9106         reporting.
9107
9108 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
9109
9110         * options.cc (General_options::parse_version): Allow -v to exit
9111         without an error if there is nothing to link.
9112
9113 2009-12-29  Ian Lance Taylor  <iant@google.com>
9114
9115         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
9116         using a version of gcc before 4.1.
9117         * configure: Rebuild.
9118
9119 2009-12-28  Chris Demetriou  <cgd@google.com>
9120
9121         * attributes.cc (Output_attributes_section_data::do_write): Use
9122         std::vector::front rather than std::vector::data.
9123
9124 2009-12-28  Ian Lance Taylor  <iant@google.com>
9125
9126         * symtab.h (class Symbol_table): Add enum Defined.
9127         * resolve.cc (Symbol_table::should_override): Add defined
9128         parameter.  Change all callers.  Test whether object is NULL
9129         before calling a method on it.
9130         (Symbol_table::report_resolve_problem): Add defined parameter.
9131         Change all callers.
9132         (Symbol_table::should_override_with_special): Likewise.
9133         * symtab.cc (Symbol_table::define_in_output_data): Add defined
9134         parameter.  Change all callers.
9135         (Symbol_table::do_define_in_output_data): Likewise.
9136         (Symbol_table::define_in_output_segment): Likewise.
9137         (Symbol_table::do_define_in_output_segment): Likewise.
9138         (Symbol_table::define_as_constant): Likewise.
9139         (Symbol_table::do_define_as_constant): Likewise.
9140         * script.h (class Symbol_assignment): Add is_defsym parameter to
9141         constructor; change all callers.
9142         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
9143         parameter.  Change all callers.  Add is_defsym_ field.
9144         (class Parser_closure): Add parsing_defsym parameter to
9145         constructor; change all callers.  Add parsing_defsym accessor
9146         function.  Add parsing_defsym_ field.
9147
9148 2009-12-28  Ian Lance Taylor  <iant@google.com>
9149
9150         * gold.cc (queue_middle_tasks): Fix formatting.
9151         * object.cc (Relobj::is_section_name_included): Likewise.
9152
9153 2009-12-23  Ian Lance Taylor  <iant@google.com>
9154
9155         * i386.cc (Target_i386::do_calls_non_split): Recognize
9156         -fsplit-stack prologue for a function with a static chain.
9157         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
9158         -fsplit-stack prologue when using %r11.
9159
9160 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
9161
9162         * options.cc (General_options::parse_version): Make -v continue and do
9163         the link like GNU ld does.
9164
9165 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
9166
9167         * Makefile.am (CCFILES): Add timer.cc.
9168         (HFILES): Add timer.h.
9169         * configure.ac: Check for sysconf and times.
9170         * main.cc: include timer.h.
9171         (main): Use Timer instead of get_run_time.
9172         * timer.cc: New.
9173         * timer.h: New.
9174         * workqueue.cc: include timer.h.
9175         (Workqueue::find_and_run_task):
9176         Report user, sys and wall time.
9177         * Makefile.in: Regenerate.
9178         * config.in: Regenerate.
9179         * configure: Regenerate.
9180
9181 2009-12-16  Doug Kwan  <dougkwan@google.com>
9182
9183         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
9184         sections.
9185         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
9186         relaxed input sections.
9187         * output.cc (Output_section::find_relaxed_input_section): Change
9188         return type to Output_relaxed_input_section pointer.  Adjust code
9189         for new type of relaxed_input_section_map_.
9190         * output.h (Output_section::find_relaxed_input_section): Change
9191         return type to Output_relaxed_input_section pointer.
9192         (Output_section::Output_relaxed_input_section_by_input_section_map):
9193         New type.
9194         (Output_section::relaxed_input_section_map_): Change type to
9195         Output_section::Output_relaxed_input_section_by_input_section_map.
9196         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
9197         input section.
9198
9199 2009-12-15  Ian Lance Taylor  <iant@google.com>
9200
9201         * layout.cc (Layout::create_shstrtab): Only write out after input
9202         sections if we are compressing debug sections.
9203
9204 2009-12-15  Ian Lance Taylor  <iant@google.com>
9205
9206         * archive.cc (Archive::add_symbols): Only look up a symbol without
9207         a version if there is, in fact, a version.
9208
9209 2009-12-14  Ian Lance Taylor  <iant@google.com>
9210
9211         Revert -Wshadow changes, all changes from:
9212         2009-12-11  Doug Kwan  <dougkwan@google.com>
9213         2009-12-11  Nick Clifton  <nickc@redhat.com>
9214         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
9215
9216 2009-12-11  Doug Kwan  <dougkwan@google.com>
9217
9218         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
9219         due to -Wshadow.
9220         * attributes.cc (Object_attribute::size): Ditto.
9221         (Attributes_section_data::size): Ditto.
9222         (Attributes_section_data::Attributes_section_data): Ditto.
9223         (Output_attributes_section_data::do_write): Ditto.
9224         * attributes.h (Object_attribute::set_type): Ditto.
9225         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
9226
9227 2009-12-11  Nick Clifton  <nickc@redhat.com>
9228
9229         * archive.cc: Fix shadowed variable warnings.
9230         * arm.cc: Likewise.
9231         * compressed_output.cc: Likewise.
9232         * compressed_output.h: Likewise.
9233         * configure: Likewise.
9234         * dwarf_reader.cc: Likewise.
9235         * dynobj.cc: Likewise.
9236         * dynobj.h: Likewise.
9237         * ehframe.cc: Likewise.
9238         * ehframe.h: Likewise.
9239         * errors.cc: Likewise.
9240         * expression.cc: Likewise.
9241         * fileread.cc: Likewise.
9242         * fileread.h: Likewise.
9243         * freebsd.h: Likewise.
9244         * i386.cc: Likewise.
9245         * icf.cc: Likewise.
9246         * incremental.h: Likewise.
9247         * layout.cc: Likewise.
9248         * layout.h: Likewise.
9249         * mapfile.cc: Likewise.
9250         * merge.cc: Likewise.
9251         * merge.h: Likewise.
9252         * object.cc: Likewise.
9253         * object.h: Likewise.
9254         * options.h: Likewise.
9255         * output.cc: Likewise.
9256         * output.h: Likewise.
9257         * parameters.cc: Likewise.
9258         * plugin.cc: Likewise.
9259         * powerpc.cc: Likewise.
9260         * reduced_debug_output.cc: Likewise.
9261         * reduced_debug_output.h: Likewise.
9262         * reloc.cc: Likewise.
9263         * reloc.h: Likewise.
9264         * resolve.cc: Likewise.
9265         * script-sections.cc: Likewise.
9266         * script.cc: Likewise.
9267         * script.h: Likewise.
9268         * sparc.cc: Likewise.
9269         * symtab.cc: Likewise.
9270         * symtab.h: Likewise.
9271         * target-select.cc: Likewise.
9272         * target-select.h: Likewise.
9273         * token.h: Likewise.
9274         * workqueue.cc: Likewise.
9275         * workqueue.h: Likewise.
9276         * x86_64.cc: Likewise.
9277
9278 2009-12-10  Doug Kwan  <dougkwan@google.com>
9279
9280         * arm.cc (attributes.h): New include.
9281         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
9282         (Arm_relobj::~Arm_relobj): Delete object pointed by
9283         attributes_section_data_.
9284         (Arm_relobj::attributes_section_data): New method definition.
9285         (Arm_relobj::attributes_section_data_): New data member declaration.
9286         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
9287         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
9288         attributes_section_data_.
9289         (Arm_dynobj::attributes_section_data): New method definition.
9290         (Arm_dynobj::attributes_section_data_): New data member declaration.
9291         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
9292         initialization value of may_use_blx_ to false.
9293         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
9294         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
9295         object attributes to compute results instead of hard-coding.
9296         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
9297         Target_arm::get_secondary_compatible_arch,
9298         Target_arm::set_secondary_compatible_arch
9299         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
9300         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
9301         New method declarations.
9302         (Target_arm::get_aeabi_object_attribute): New method definition.
9303         (Target_arm::attributes_section_data_): New data member declaration.
9304         (read_arm_attributes_section): New template definition.
9305         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
9306         (Arm_dynobj::do_read_symbols): Ditto.
9307         (Target_arm::do_finalize_sections): Merge attributes sections from
9308         input.  Check for BLX use after attributes section merging.
9309         Fix __exidx_start and __exidx_end visibility.  Create an
9310         .ARM.attributes section if necessary.
9311         (Target_arm::get_secondary_compatible_arch,
9312         Target_arm::set_secondary_compatible_arch,
9313         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
9314         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
9315         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
9316         New method definitions.
9317
9318 2009-12-09  Ian Lance Taylor  <iant@google.com>
9319
9320         * plugin.cc (Plugin::load): Don't cast from void* to a function
9321         pointer.
9322
9323 2009-12-09  Ian Lance Taylor  <iant@google.com>
9324
9325         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
9326         information fields.
9327
9328 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
9329
9330         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
9331         Replace two_file_shared_1.so with two_file_shared_2.so.
9332         * testsuite/Makefile.in: Regenerated.
9333
9334 2009-12-08  Doug Kwan  <dougkwan@google.com>
9335
9336         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
9337         (HFILES): Add attributes.h and int_encoding.h.
9338         * Makefile.in: Regenerate.
9339         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
9340         function definitions to int_encoding.cc
9341         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
9342         prototypes to int_encoding.h
9343         * reduced_debug_output.cc (int_encoding.h): New include.
9344         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
9345         function definitions to int_encoding.cc
9346         (insert_into_vector, read_from_pointer): Move template definitions to
9347         int_encoding.h
9348         * attributes.cc: New file.
9349         * attributes.h: New file.
9350         * int_encoding.cc: New file.
9351         * int_encoding.h: New file.
9352
9353 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
9354
9355         PR gold/11055
9356         * incremental-dump.cc (dump_incremental_inputs): New.
9357         (main): Use dump_incremental_inputs.
9358
9359 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
9360
9361         PR gold/10893
9362         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
9363         checking elfcpp::STT_FUNC.
9364         (Target_i386::Relocate::relocate): Likewise.
9365         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
9366
9367         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
9368         symbols from shared libraries into normal FUNC symbols.
9369
9370         * symtab.h (Symbol): Add is_func and use it.
9371
9372 2009-12-05  Doug Kwan  <dougkwan@google.com>
9373
9374         * arm.cc (Target_arm::arm_info): Initialize new fields
9375         attributes_section and attributes_vendor.
9376         * i386.cc (Target_i386::i386_info): Same.
9377         * object.cc (Sized_relobj::do_layout): Skip attribute section.
9378         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
9379         fields attributes_section and attributes_vendor.
9380         * sparc.cc (Target_sparc::sparc_info): Same.
9381         * target.h (Target::attributes_section, Target::attributes_vendor,
9382         Target::is_attributes_section, Target::attribute_arg_type,
9383         Target::attributes_order): New method definitions.
9384         (Target::Target_info::attributes_section,
9385         Target::Target_info::attributes_vendor): New fields.
9386         (Target::do_attribute_arg_type, Target::do_attributes_order): New
9387         virtual method definitions.
9388         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
9389         attributes_section and attributes_vendor.
9390         * testsuite/testfile.cc (Target_test::test_target_info): Same.
9391
9392 2009-12-05  Doug Kwan  <dougkwan@google.com>
9393
9394         * arm.cc: Update comments about interworking and stub generation.
9395         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
9396         considered as non-PIC.
9397         (Arm_relocate_functions::base_abs): Fix formatting.
9398         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
9399         of function to use GOT entry address instead of offset.
9400         (Target_arm::Scan::global): Issue an error if a symbol would need a
9401         PLT does not get one because it is untyped.  Remove code to create
9402         dynamic symbols for relative branches.
9403         (Target_arm::Relocate::relocate: Use 0 instead of false since function
9404         takes unsigned integer instead of boolean.
9405
9406 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
9407
9408         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
9409         (two_file_test_LDADD): Likewise.
9410         (common_test_1_LDADD): Likewise.
9411         (exception_test_LDADD) Likewise.
9412         (weak_test_LDADD): Likewise.
9413         (many_sections_test_LDADD): Likewise.
9414         (initpri1_LDADD): Likewise.
9415         (script_test_1_LDADD): Likewise.
9416         (script_test_2_LDADD): Likewise.
9417         (justsyms_LDADD): Likewise.
9418         (binary_test_LDADD): Likewise.
9419         (large_LDADD): Likewise.
9420         * testsuite/Makefile.in: Regenerated.
9421
9422 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
9423
9424         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
9425         (Symbol_table::override_with_special): Likewise.
9426         (Symbol_table::add_from_object): Likewise.
9427
9428 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9429
9430         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9431         Don't set the data_offset twice.
9432
9433 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9434
9435         * testsuite/Makefile.in: Regenerate.
9436
9437 2009-12-03  Doug Kwan  <dougkwan@google.com>
9438
9439         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
9440         (Target_arm::do_finalize_sections): Add parameter for symbol table
9441         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
9442         * i386.cc (Target_i386::do_finalize_sections): Add an additional
9443         parameter for symbol table pointer.
9444         * layout.cc (Layout::finalize): Call Target::finalize_sections with
9445         an additional parameter for a pointer to symbol table.
9446         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
9447         parameter for a symbol table pointer.
9448         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
9449         * target.h (Target::finalize_sections, Target::do_finalize_sections):
9450         Ditto.
9451         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
9452         parameter for a symbol table pointer.
9453
9454 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
9455
9456         * incremental.cc (Incremental_inputs_header)
9457         (Incremental_inputs_header_write, Incremental_inputs_entry)
9458         (Incremental_inputs_entry_write): Move ...
9459         * incremental.h (Incremental_inputs_header)
9460         (Incremental_inputs_header_write, Incremental_inputs_entry)
9461         (Incremental_inputs_entry_write): here.
9462
9463 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9464
9465         * incremental.cc (make_sized_incremental_binary): Set the target.
9466         Error if it is incompatible.
9467         * output.h (Output_file): Add filename method.
9468
9469 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9470
9471         * incremental.cc (Incremental_inputs_entry): Remove unused argument
9472         from the get_* methods.
9473
9474 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9475
9476         * incremental-dump.cc (main): Check that the offeset of a script is 0.
9477         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9478         Write 0 for the data_offset of scripts.
9479
9480 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9481
9482         * testsuite/Makefile.am: Add the incremental_test.sh test.
9483         * testsuite/incremental_test.sh: New.
9484         * testsuite/incremental_test_1.c: New.
9485         * testsuite/incremental_test_2.c: New.
9486
9487 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
9488
9489         * incremental-dump.cc (main): Fix typos.
9490
9491 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
9492
9493         PR gold/11025
9494         * incremental-dump.cc (main): Use llu to print 64 bit values.
9495
9496 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
9497             H.J. Lu  <hongjiu.lu@intel.com>
9498
9499         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
9500         $(LIBDL).
9501         (incremental_dump_LDADD): Likewise.
9502         * Makefile.in: Regenerated.
9503
9504 2009-11-25  Doug Kwan  <dougkwan@google.com>
9505
9506         Revert:
9507
9508         2009-11-25  Doug Kwan  <dougkwan@google.com>
9509
9510                 * arm.cc (Target_arm::Target_arm): Move method definition
9511                 outside of class definition.  Add code to handle
9512                 --target1-rel, --target1-abs and --target2= options.
9513                 (Target_arm::get_reloc_reloc_type): Change method to be
9514                 non-static and const.
9515                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
9516                 New data member declaration.
9517                 (Target_arm::Scan::local, Target_arm::Scan::global,
9518                 Target_arm::Relocate::relocate,
9519                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9520                 Adjust call to Target_arm::get_real_reloc_type.
9521                 (Target_arm::get_real_reloc_type): Use command line options
9522                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9523                 * options.h (--target1-rel, --target1-abs, --target2): New
9524                 ARM-only options.
9525
9526 2009-11-25  Doug Kwan  <dougkwan@google.com>
9527
9528         * arm.cc (Target_arm::Target_arm): Move method definition outside of
9529         class definition.  Add code to handle --target1-rel, --target1-abs
9530         and --target2= options.
9531         (Target_arm::get_reloc_reloc_type): Change method to be non-static
9532         and const.
9533         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
9534         member declaration.
9535         (Target_arm::Scan::local, Target_arm::Scan::global,
9536         Target_arm::Relocate::relocate,
9537         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
9538         call to Target_arm::get_real_reloc_type.
9539         (Target_arm::get_real_reloc_type): Use command line options to
9540         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9541         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
9542         options.
9543
9544 2009-11-25  Doug Kwan  <dougkwan@google.com>
9545
9546         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
9547         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
9548         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
9549         formatting.
9550         (Arm_relocate_functions::thm_call): Replace body with a call to
9551         Arm_relocate_functions::thumb_branch_common.
9552         (Arm_relocate_functions::thm_jump24,
9553         Arm_relocate_functions::thm_xpc22): New method definitions.
9554         (Arm_relocate_functions::thumb_branch_common): New method definition.
9555         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
9556         operator.
9557         (Target_arm::Relocate::relocate): Adjust call to thm_call.
9558         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
9559
9560 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9561
9562         * Makefile.am: Build incremental-dump
9563         * Makefile.in: Regenerate.
9564         * incremental-dump.cc: New.
9565         * incremental.cc (Incremental_inputs_header_data,
9566         Incremental_inputs_entry_data): Move to incremental.h
9567         * incremental.h: (Incremental_inputs_header_data,
9568         Incremental_inputs_entry_data): Move from incremental.cc
9569
9570 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9571
9572         * incremental.cc (Incremental_inputs_header,
9573         Incremental_inputs_header_write, Incremental_inputs_entry,
9574         Incremental_inputs_entry_write): Add a typedef with the data type.
9575
9576 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9577
9578         * incremental.cc (Incremental_inputs_header,
9579         Incremental_inputs_header_write, Incremental_inputs_entry,
9580         Incremental_inputs_entry_write): Update comment about which
9581         type has the filed descriptions.
9582
9583 2009-11-15  Doug Kwan  <dougkwan@google.com>
9584
9585         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
9586         (Arm_relocate_functions::arm_branch_common): Change method defintion
9587         in class definition to a method declaration and update list of formal
9588         parameters.
9589         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
9590         Arm_relocation_functions::jump24): Adjust call to
9591         Arm_relocate_functions::arm_branch_common.  Update list of formal
9592         parameters.
9593         (Arm_relocate_functions::xpc25): New method definition.
9594         (Arm_relocate_functions::arm_branch_common): Move method defintion
9595         out from class definition.  Use stubs for mode-switching and extending
9596         branch ranges.
9597         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
9598         specially.  Change code to enable use of stubs in ARM branches.
9599
9600 2009-11-10  Doug Kwan  <dougkwan@google.com>
9601
9602         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
9603         in method declaration.
9604         (Target_arm::relocate_stub): New method declaration.
9605         (Target_arm::default_target): Change to return a pointer instead of
9606         a const reference.
9607         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
9608         Target_arm::default_target.
9609         (Arm_Relobj::do_relocate_sections): Remove options paramater in
9610         method definition.
9611         (Target_arm::relocate_section): Adjust view.
9612         (Target_arm::relocate_stub): New method definition.
9613
9614 2009-11-10  Doug Kwan  <dougkwan@google.com>
9615
9616         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
9617         a format warning.
9618         * incremental.cc (open_incremental_binary): Initialized local
9619         variables to avoid warnings.
9620         * object.cc (make_elf_object): Ditto.
9621         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
9622         a format warning.
9623
9624 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
9625
9626         PR gold/10930
9627         * testsuite/plugin_test.c: Include "config.h".
9628
9629 2009-11-09  Doug Kwan  <dougkwan@google.com>
9630
9631         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
9632         (arm_symbol_value): Remove.
9633         (Arm_relocate_functions::arm_branch_common,
9634         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
9635         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
9636         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
9637         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
9638         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
9639         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
9640         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
9641         Arm_relocate_functions::thm_mobw_abs_nc,
9642         Arm_relocate_functions::thm_mov_abs,
9643         Arm_relocate_functions::movw_prel_nc,
9644         Arm_relocate_functions::thm_movt_abs,
9645         Arm_relocate_functions::movt_prel,
9646         Arm_relocate_functions::thm_movw_prel_nc,
9647         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
9648         (Target_arm::Relocate::relocate): Only decompose address into two
9649         parts if relocation type uses the thumb-bit and pass the actual
9650         bit instead of a flag indicating that the thumb-bit is used.  Adjust
9651         calls to methods in Arm_relocate_functions for this change.
9652
9653 2009-11-08  Ian Lance Taylor  <iant@google.com>
9654
9655         PR 10925
9656         * reloc.cc: Instantiate
9657         Sized_relobj::initialize_input_to_output_maps and
9658         Sized_relobj:free_input_to_output_maps.
9659
9660 2009-11-06  Ian Lance Taylor  <iant@google.com>
9661
9662         PR 10876
9663         * defstd.cc (in_segment): Set only_if_ref true for "end".
9664
9665 2009-11-06  Doug Kwan  <dougkwan@google.com>
9666
9667         * arm.cc (class Reloc_stub): Correct a comment.
9668         (Target_arm::Target_arm): Initialize arm_input_section_map_.
9669         (Target_arm::scan_section_for_stubs): New method declaration.
9670         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
9671         Change methods from private to protected.
9672         (Target_arm::do_may_relax): New method definition.
9673         (Target_arm::do_relax, Target_arm::group_sections,
9674         Target_arm::scan_reloc_for_stub,
9675         Target_arm::scan_reloc_section_for_stubs): New method declarations.
9676         (Target_arm::arm_input_section_map_): New data member declaration.
9677         (Target_arm::scan_reloc_for_stub,
9678         Target_arm::scan_reloc_section_for_stubs,
9679         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
9680         Target_arm::do_relax): New method definitions.
9681
9682 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
9683
9684         * configure.ac: Check for (struct stat)::st_mtim
9685         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
9686         * config.in: Regenerate.
9687         * configure: Regenerate.
9688
9689 2009-11-05  Ian Lance Taylor  <iant@google.com>
9690
9691         PR 10910
9692         * output.cc (Output_segment::add_output_section): Add missing
9693         return statement.
9694
9695 2009-11-04  Ian Lance Taylor  <iant@google.com>
9696
9697         PR 10880
9698         * object.h (class Object): Add is_needed and set_is_needed
9699         methods.  Add is_needed_ field.  Make bool fields into bitfields.
9700         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
9701         defined in a dynamic object and referenced by a regular object,
9702         set is_needed for the dynamic object.
9703         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
9704         if the file is marked with as_needed and it is not needed.
9705
9706 2009-11-04  Ian Lance Taylor  <iant@google.com>
9707
9708         PR 10887
9709         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
9710         tags if data is discarded by linker script.
9711         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9712         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9713         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9714         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9715
9716 2009-11-04  Ian Lance Taylor  <iant@google.com>
9717
9718         * layout.cc (Layout::get_output_section): Add is_interp and
9719         is_dynamic_linker_section parameters.  Change all callers.
9720         (Layout::choose_output_section): Likewise.
9721         (Layout::make_output_section): Likewise.
9722         (Layout::add_output_section_data): Add is_dynamic_linker_section
9723         parameter.  Change all callers.
9724         * layout.h (class Layout): Update declarations.
9725         * output.h (class Output_section): Add is_interp, set_is_interp,
9726         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
9727         Add is_interp_, is_dynamic_linker_section_ fields.  Change
9728         generate_code_fills_at_write_ to a bitfield.
9729         * output.cc (Output_section::Output_sections): Initialize new
9730         fields.
9731         (Output_segment::add_output_section): Add do_sort parameter.
9732         Change all callers.
9733
9734 2009-11-03  Ian Lance Taylor  <iant@google.com>
9735
9736         PR 10860
9737         * options.h (class General_options): Add --warn-common.
9738         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
9739         merging two common symbols.
9740         (Symbol_table::should_override): Handle --warn-common when merging
9741         a common symbol with a defined symbol.  Use report_resolve_problem
9742         for multiple definitions.
9743         (Symbol_table::report_resolve_problem): New function.
9744         * symtab.h (class Symbol_table): Declare report_resolve_problem.
9745
9746 2009-11-03  Doug Kwan  <dougkwan@google.com>
9747
9748         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
9749         stub_factory_.
9750         (Target_arm::stub_factory): New method definition.
9751         (Target_arm::new_arm_input_section,
9752         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
9753         Target_arm::reloc_uses_thumb_bit): New method declarations.
9754         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
9755         New type definitions.
9756         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
9757         member declarations.
9758         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
9759         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
9760         New method definitions.
9761
9762 2009-11-03  Ian Lance Taylor  <iant@google.com>
9763
9764         * options.h (class General_options): Add --warn_constructors.
9765
9766 2009-11-03  Ian Lance Taylor  <iant@google.com>
9767
9768         PR 10893
9769         * defstd.cc (in_section): Add entries for __rel_iplt_start,
9770         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9771
9772 2009-11-03  Ian Lance Taylor  <iant@google.com>
9773
9774         PR 10895
9775         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9776         --msgid-bugs-address.
9777         (install-pdf): New target.
9778         (install-data_yes): Look up one directory to find mkinstalldirs.
9779
9780 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9781
9782         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9783         tree.
9784
9785 2009-10-30  Doug Kwan  <dougkwan@google.com>
9786
9787         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9788
9789 2009-10-30  Doug Kwan  <dougkwan@google.com>
9790
9791         * arm.cc (Stub_addend_reader): New struct template definition
9792         and partial specializations.
9793         (Stub_addend_reader::operator()): New method definition for a
9794         partially specialized template.
9795
9796 2009-10-30  Doug Kwan  <dougkwan@google.com>
9797
9798         * arm.cc (Arm_relobj::processor_specific_flags): New method
9799         definition.
9800         (Arm_relobj::do_read_symbols): New method declaration.
9801         (Arm_relobj::processor_specific_flags_): New data member declaration.
9802         (Arm_dynobj): New class definition.
9803         (Target_arm::do_finalize_sections): Add input_objects parameter.
9804         (Target_arm::do_adjust_elf_header): New method declaration.
9805         (Target_arm::are_eabi_versions_compatible,
9806         (Target_arm::merge_processor_specific_flags): New method declaration.
9807         (Target_arm::do_make_elf_object): New overloaded method definitions
9808         and declaration.
9809         (Arm_relobj::do_read_symbols): New method definition.
9810         (Arm_dynobj::do_read_symbols): Ditto.
9811         (Target_arm::do_finalize_sections): Add input_objects parameters.
9812         Merge processor-specific flags from all input objects.
9813         (Target_arm::are_eabi_versions_compatible,
9814         Target_arm::merge_processor_specific_flags,
9815         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9816         New method definitions.
9817         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9818         Input_objects pointer type parameter.
9819         * layout.cc (Layout::finalize): Pass input objects to target's.
9820         finalize_sections function.
9821         * output.cc (Output_file_header::do_sized_write): Set ELF file
9822         header's processor-specific flags.
9823         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9824         Input_objects pointer type parameter.
9825         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9826         * target.h (Input_objects): New forward class declaration.
9827         (Target::processor_specific_flags,
9828         Target::are_processor_specific_flags_sect): New method definitions.
9829         (Target::finalize_sections): Add input_objects parameter.
9830         (Target::Target): Initialize processor_specific_flags_ and
9831         are_processor_specific_flags_set_.
9832         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9833         parameter.
9834         (Target::set_processor_specific_flags): New method definition.
9835         (Target::processor_specific_flags_,
9836         Target::are_processor_specific_flags_set_): New data member
9837         declarations.
9838         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9839         Input_objects pointer type parameter.
9840
9841 2009-10-30  Doug Kwan  <dougkwan@google.com>
9842
9843         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9844
9845 2009-10-28  Ian Lance Taylor  <iant@google.com>
9846
9847         * object.h (class Relobj): Drop options parameter from
9848         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9849         do_scan_relocs, do_relocate.  Change all callers.
9850         (class Sized_relobj): Drop options parameters from
9851         do_gc_process_relocs, do_scan_relocs, do_relocate,
9852         do_relocate_sections, relocate_sections, emit_relocs_scan,
9853         emit_relocs_scan_reltype.  Change all callers.
9854         (struct Relocate_info): Remove options field and all references to
9855         it.
9856         * reloc.h (class Read_relocs): Remove options constructor
9857         parameter and options_ field.  Change all callers.
9858         (class Gc_process_relocs, class Scan_relocs): Likewise.
9859         (class Relocate_task): Likewise.
9860         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9861         all callers.
9862         (scan_relocatable_relocs): Likewise.
9863         * target.h (class Sized_target): Remove options parameter from
9864         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9865         all callers.
9866         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9867         callers.
9868         * arm.cc: Update functions to remove options parameters.
9869         * i386.cc: Likewise.
9870         * powerpc.cc: Likewise.
9871         * sparc.cc: Likewise.
9872         * x86_64.cc: Likewise.
9873         * testsuite/testfile.cc: Likewise.
9874
9875 2009-10-28  Doug Kwan  <dougkwan@google.com>
9876
9877         * arm.cc (Arm_relobj): New class definition.
9878         (Arm_relobj::scan_sections_for_stubs,
9879         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9880         New method definitions.
9881
9882 2009-10-28  Cary Coutant  <ccoutant@google.com>
9883
9884         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9885         (Plugin::cleanup_done_): New member.
9886         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9887         (Plugin_manager::cleanup_done_): Remove.
9888         (Plugin_manager::add_input_file): Edit error message.
9889         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9890         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9891
9892 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9893
9894         * fileread.cc: (File_read::View::~View): Use the new
9895         data_ownership_ filed.
9896         (File_read::~File_read): Dispose the new whole_file_view_.
9897         (File_read::open): Mmap the whole file if needed.
9898         (File_read::open): Use whole_file_view_ instead of contents_.
9899         (File_read::find_view): Use whole_file_view_ if applicable.
9900         (File_read::do_read): Use whole_file_view_ instead of contents_.
9901         (File_read::make_view): Use whole_file_view_ instead of contents_,
9902         update File_read::View::View call.
9903         (File_read::find_or_make_view): Update File_read::View::View
9904         call.
9905         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9906         remove contents_
9907         (File_read::View::Data_ownership): New enum.
9908         (File_read::View::View): Replace bool mapped_ with Data_ownership
9909         argument.
9910         (File_read::View::mapped_): Remove (replaced by data_ownership_).
9911         (File_read::View::data_ownership_): New field.
9912         (File_read::contents_): Remove (replaced by whole_file_view_).
9913         (File_read::whole_file_view_): New field.
9914         * options.h (class General_options): Add --keep-files-mapped.
9915
9916 2009-10-27  Cary Coutant  <ccoutant@google.com>
9917
9918         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
9919         * testsuite/Makefile.am (plugin_test_5): New test case.
9920         * testsuite/Makefile.in: Regenerate.
9921
9922 2009-10-25  Doug Kwan  <dougkwan@google.com>
9923
9924         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
9925         from private to protected to allow access by child class.
9926         (Sized_relobj::do_relocate_sections): New method declaration.
9927         (Sized_relobj::relocate_sections): Virtualize.
9928         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
9929         Sized_relobj::relocate_sections.  Instantiate template explicitly
9930         for different target sizes and endianity.
9931
9932 2009-10-24  Doug Kwan  <dougkwan@google.com>
9933
9934         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
9935         (Arm_input_section::as_arm_input_section): New method.
9936         (Arm_output_section): New class definition.
9937         (Arm_output_section::create_stub_group,
9938         Arm_output_section::group_sections): New method definitions.
9939
9940 2009-10-22  Doug Kwan  <dougkwan@google.com>
9941
9942         * arm.cc (Arm_input_section): New class definition.
9943         (Arm_input_section::init, Arm_input_section:do_write,
9944         Arm_input_section::set_final_data_size,
9945         Arm_input_section::do_reset_address_and_file_offset): New method
9946         definitions.
9947
9948 2009-10-21  Doug Kwan  <dougkwan@google.com>
9949
9950         * arm.cc (Stub_table, Arm_input_section): New forward class
9951         declarations.
9952         (Stub_table): New class defintion.
9953         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
9954         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
9955         New method definition.
9956
9957 2009-10-21  Doug Kwan  <dougkwan@google.com>
9958
9959         * arm.cc: Update copyright comments.
9960         (Target_arm): New forward class template declaration.
9961         (Arm_address): New type.
9962         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
9963         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
9964         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
9965         constants.
9966         (Insn_template): Same.
9967         (DEF_STUBS): New macro.
9968         (Stub_type): New enum type.
9969         (Stub_template): New class definition.
9970         (Stub): Same.
9971         (Reloc_stub): Same.
9972         (Stub_factory): Same.
9973         (Target_arm::Target_arm): Initialize may_use_blx_ and
9974         should_force_pic_veneer_.
9975         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9976         Target_arm::should_force_pic_veneer,
9977         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9978         Target_arm::using_thumb_only, Target_arm:;default_target): New
9979         method defintions.
9980         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9981         New data member declarations.
9982         (Insn_template::size, Insn_template::alignment): New method defintions.
9983         (Stub_template::Stub_template): New method definition.
9984         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9985         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9986         (Stub_factory::Stub_factory): New method definition.
9987         * gold.h (string_hash): New template.
9988         * output.h (Input_section_specifier::hash_value): Use
9989         gold::string_hash.
9990         (Input_section_specifier::string_hash): Remove.
9991         * stringpool.cc (Stringpool_template::string_hash): Use
9992         gold::string_hash.
9993
9994 2009-10-20  Doug Kwan  <dougkwan@google.com>
9995
9996         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9997         symbols of relaxed input sections.
9998         * output.h (Output_section::find_relaxed_input_section): Make
9999         method public.
10000
10001 2009-10-16  Doug Kwan  <dougkwan@google.com>
10002
10003         * dynobj.cc (Versions::Versions): Initialize version_script_.
10004         Only insert base version symbol definition for a shared object
10005         if version script defines any version versions.
10006         (Versions::define_base_version): New method definition.
10007         (Versions::add_def): Check that base version is not needed.
10008         (Versions::add_need): Define base version lazily.
10009         * dynobj.h (Versions::define_base_version): New method declaration.
10010         (Versions::needs_base_version_): New data member declaration.
10011         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
10012         (check_DATA): Add no_version_test.stdout.
10013         (libno_version_test.so, no_version_test.o no_version_test.stdout):
10014         New make rules.
10015         * testsuite/Makefile.in: Regenerate.
10016         * testsuite/no_version_test.c: New file.
10017         * testsuite/no_version_test.sh: Ditto.
10018
10019 2009-10-16  Doug Kwan  <dougkwan@google.com>
10020
10021         * expression.cc (class Segment_start_expression): New class definition.
10022         (Segment_start_expression::value): New method definition.
10023         (script_exp_function_segment_start): Return a new
10024         Segment_start_expression.
10025         * gold/script-c.h (script_saw_segment_start_expression): New function
10026         prototype.
10027         * script-sections.cc (Script_sections::Script_sections): Initialize
10028         SAW_SEGMENT_START_EXPRESSION_ to false.
10029         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
10030         and -Tbbs options to specify section addresses if given in
10031         command line and no SEGMENT_START expression is seen in a script.
10032         * script-sections.h (Script_sections::saw_segment_start_expression,
10033         Script_sections::set_saw_segment_start_expression): New method
10034         definition.
10035         (Script_sections::saw_segment_start_expression_): New data member
10036         declaration.
10037         * script.cc (script_saw_segment_start_expression): New function.
10038         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
10039         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
10040         script_test_7.sh and script_test_8.sh.
10041         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
10042         script_test_8.stdout.
10043         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
10044         (script_test_6, script_test_6.stdout, script_test_7,
10045         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
10046         * Makefile.in: Regenerate.
10047         * testsuite/script_test_6.sh: New file.
10048         * testsuite/script_test_6.t: Same.
10049         * testsuite/script_test_7.sh: Same.
10050         * testsuite/script_test_7.t: Same.
10051         * testsuite/script_test_8.sh: Same.
10052
10053 2009-10-16  Doug Kwan  <dougkwan@google.com>
10054
10055         * output.cc (Output_segment::set_section_list_address): Cast
10056         expressions to unsigned long long type to avoid format warnings.
10057
10058 2009-10-15  Ian Lance Taylor  <iant@google.com>
10059
10060         * script.cc (Script_options::add_symbol_assignment): Always add a
10061         dot assignment to script_sections_.
10062         * script-sections.cc (Script_sections::add_dot_assignment):
10063         Initialize if necessary.
10064
10065         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
10066         program headers with no load segment if there is a linker script.
10067
10068         * layout.cc (Layout::set_segment_offsets): Align the file offset
10069         to the segment aligment for -N or -n with no load segment.
10070         * output.cc (Output_segment::add_output_section): Don't crash if
10071         the first section is a TLS section.
10072         (Output_segment::set_section_list_addresses): Print an error
10073         message if the address moves backward in a linker script.
10074         * script-sections.cc
10075         (Output_section_element_input::set_section_addresses): Don't
10076         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
10077         (Orphan_output_section::set_section_addresses): Likewise.
10078
10079 2009-10-15  Doug Kwan  <dougkwan@google.com>
10080
10081         * layout.cc (Layout::finish_dynamic_section): Generate tags
10082         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
10083         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
10084         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
10085
10086 2009-10-14  Ian Lance Taylor  <iant@google.com>
10087
10088         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
10089         fields.
10090         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
10091         data_shdr fields of relinfo.
10092         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
10093         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
10094         R_386_TLS_LDO_32, adjust based on section flags.
10095         (Target_i386::Relocate::fix_up_ldo): Remove.
10096
10097 2009-10-13  Ian Lance Taylor  <iant@google.com>
10098
10099         Add support for -pie.
10100         * options.h (class General_options): Add -pie and
10101         --pic-executable.
10102         (General_options::output_is_position_independent): Test -pie.
10103         (General_options::output_is_executable): Return true if not shared
10104         and not relocatable.
10105         (General_options::output_is_pie): Remove.
10106         * options.cc (General_options::finalize): Reject incompatible uses
10107         of -pie.
10108         * gold.cc (queue_middle_tasks): A -pie link is not static.
10109         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
10110         * symtab.cc (Symbol::final_value_is_known): Return false if
10111         output_is_position_independent.
10112         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
10113         output_is_position_independent.
10114         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
10115         output_is_position_independent.
10116         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
10117         output_is_position_independent.
10118         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
10119         two_file_pie_test.
10120         (basic_pie_test.o, basic_pie_test): New targets.
10121         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
10122         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
10123         (two_file_pie_test): New target.
10124         * testsuite/Makefile.in: Rebuild.
10125         * README: Remove note saying that -pie is not supported.
10126
10127 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10128
10129         * options.h (class General_options): Add -init and -fini.
10130         * layout.cc (Layout::finish_dynamic_section): Emit
10131         given init and fini functions.
10132
10133 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
10134
10135         * gc.h (gc_process_relocs): Check if icf is enabled using new
10136         function.
10137         * gold.cc (queue_initial_tasks): Likewise.
10138         (queue_middle_tasks): Likewise.
10139         * object.cc (do_layout): Likewise.
10140         * symtab.cc (is_section_folded): Likewise.
10141         * main.cc (main): Likewise.
10142         * reloc.cc (Read_relocs::run): Likewise.
10143         (Sized_relobj::do_scan_relocs): Likewise.
10144         * icf.cc (is_function_ctor_or_dtor): New function.
10145         (Icf::find_identical_sections): Check if function is ctor or dtor when
10146         safe icf is chosen.
10147         * options.h (General_options::icf): Change option to be an enum.
10148         (Icf_status): New enum.
10149         (icf_enabled): New method.
10150         (icf_safe_folding): New method.
10151         (set_icf_status): New method.
10152         (icf_status_): New variable.
10153         * (options.cc) (General_options::finalize): Set icf_status_.
10154         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
10155         icf_test and icf_keep_unique_test to use the --icf enum flag.
10156         * testsuite/icf_safe_test.sh: New file.
10157         * testsuite/icf_safe_test.cc: New file.
10158
10159 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
10160
10161         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
10162         includes to gc.h and icf.h.
10163         * arm.cc: Include gc.h.
10164         * gold.cc: Likewise.
10165         * i386.cc: Likewise.
10166         * powerpc.cc: Likewise.
10167         * sparc.cc: Likewise.
10168         * x86_64.cc: Likewise.
10169         * gc.h: Include icf.h.
10170
10171 2009-10-11  Ian Lance Taylor  <iant@google.com>
10172
10173         * plugin.cc: Include "gold.h" before other header files.
10174
10175 2009-10-10  Chris Demetriou  <cgd@google.com>
10176
10177         * options.h (Input_file_argument::Input_file_type): New enum.
10178         (Input_file_argument::is_lib_): Replace with...
10179         (Input_file_argument::type_): New member.
10180         (Input_file_argument::Input_file_argument): Take Input_file_type
10181         'type' rather than boolean 'is_lib' as second argument.
10182         (Input_file_argument::is_lib): Use type_.
10183         (Input_file_argument::is_searched_file): New function.
10184         (Input_file_argument::may_need_search): Handle is_searched_file.
10185         * options.cc (General_options::parse_library): Support -l:filename.
10186         (General_options::parse_just_symbols): Update for Input_file_argument
10187         changes.
10188         (Command_line::process): Likewise.
10189         * archive.cc (Archive::get_file_and_offset): Likewise.
10190         * plugin.cc (Plugin_manager::release_input_file): Likewise.
10191         * script.cc (read_script_file, script_add_file): Likewise.
10192         * fileread.cc (Input_file::Input_file): Likewise.
10193         (Input_file::will_search_for): Handle is_searched_file.
10194         (Input_file::open): Likewise.
10195         * readsyms.cc (Read_symbols::get_name): Likewise.
10196         * testsuite/Makefile.am (searched_file_test): New test.
10197         * testsuite/Makefile.in: Regenerate.
10198         * testsuite/searched_file_test.cc: New file.
10199         * testsuite/searched_file_test_lib.cc: New file.
10200
10201 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10202             Ian Lance Taylor  <iant@google.com>
10203
10204         * descriptor.cc: Include <cstdio> and "binary-io.h".
10205         (Descriptors::open): Open the files in binary mode always.
10206         * script.cc (Lex::get_token): Treat \r as whitespace.
10207
10208 2009-10-09  Ian Lance Taylor  <iant@google.com>
10209
10210         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
10211
10212 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10213             Ian Lance Taylor  <iant@google.com>
10214
10215         * configure.ac: Check for readv function also.
10216         * fileread.cc (readv): Define if not HAVE_READV.
10217         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
10218         does not exist.
10219         * config.in: Regenerate.
10220         * configure: Regenerate.
10221
10222 2009-10-09  Doug Kwan  <dougkwan@google.com>
10223
10224         * layout.cc (Layout::make_output_section): Call target hook to make
10225         ordinary output section.
10226         (Layout::finalize): Adjust parameter list of call the
10227         Target::may_relax().
10228         * layout.h (class Layout::section_list): New method.
10229         * merge.h (Output_merge_base::entsize): Change visibility to public.
10230         (Output_merge_base::is_string, Output_merge_base::do_is_string):
10231         New methods.
10232         (Output_merge_string::do_is_string): New method.
10233         * object.cc (Sized_relobj::do_setup): renamed from
10234         Sized_relobj::set_up.
10235         * object.h (Sized_relobj::adjust_shndx,
10236         Sized_relobj::initializ_input_to_output_maps,
10237         Sized_relobj::free_input_to_output_maps): Change visibilities to
10238         protected.
10239         (Sized_relobj::setup): Virtualize.
10240         (Sized_relobj::do_setup): New method declaration.
10241         (Sized_relobj::invalidate_section_offset,
10242         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
10243         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
10244         * options.cc (parse_int): New function.
10245         * options.h (parse_int): New declaration.
10246         (DEFINE_int): New macro.
10247         (stub_group_size): New option.
10248         * output.cc (Output_section::Output_section): Initialize memebers
10249         merge_section_map_, merge_section_by_properties_map_,
10250         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
10251         (Output_section::add_input_section): Handled deferred code-fill
10252         generation and remove an old comment.
10253         (Output_section::add_relaxed_input_section): New method definition.
10254         (Output_section::add_merge_input_section): Use merge section by
10255         properties map to speed to search.  Update merge section maps
10256         as appropriate.
10257         (Output_section::build_relaxation_map): New method definition.
10258         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
10259         Same.
10260         (Output_section::relax_input_section): Renamed to
10261         Output_section::convert_input_sections_to_relaxed_sections and change
10262         interface to take a vector of pointers to relaxed sections.
10263         (Output_section::find_merge_section,
10264         Output_section::find_relaxed_input_section): New method definitions.
10265         (Output_section::is_input_address_mapped,
10266         Output_section::output_offset, Output_section::output_address):
10267         Use output section data maps to speed up searching.
10268         (Output_section::find_starting_output_address): Add comments.
10269         (Output_section::do_write,
10270         Output_section::write_to_postprocessing_buffer): Do code-fill
10271         generation as appropriate.
10272         (Output_section::get_input_sections): Invalidate relaxed input section
10273         map.
10274         (Output_section::restore_states): Adjust type of checkpoint .
10275         Invalidate relaxed input section map.
10276         * output.h (Output_merge_base): New class declaration.
10277         (Input_section_specifier): New class defintion.
10278         (class Output_relaxed_input_section) Change base class to
10279         Output_section_data_build.
10280         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
10281         base class initializer.
10282         (Output_section::add_relaxed_input_section): New method declaration.
10283         (Output_section::Input_section): Change visibility to protected.
10284         (Output_section::Input_section::relobj,
10285         Output_section::Input_section::shndx): Handle relaxed input sections.
10286         Output_section::input_sections) Change visibility to protected.  Also
10287         define overload to return a non-const pointer.
10288         (Output_section::Merge_section_properties): New class defintion.
10289         (Output_section::Merge_section_by_properties_map,
10290         Output_section::Output_section_data_by_input_section_map,
10291         Output_section::Relaxation_map): New types.
10292         (Output_section::relax_input_section): Rename method to
10293         Output_section::convert_input_sections_to_relaxed_sections and change
10294         interface to take a vector of relaxed section pointers.
10295         (Output_section::find_merge_section,
10296         Output_section::find_relaxed_input_section,
10297         Output_section::build_relaxation_map,
10298         Output_section::convert_input_sections_in_list_to_relaxed_sections):
10299         New method declarations.
10300         (Output_section::merge_section_map_
10301         Output_section::merge_section_by_properties_map_,
10302         Output_section::relaxed_input_section_map_,
10303         Output_section::is_relaxed_input_section_map_valid_,
10304         Output_section::generate_code_fills_at_write_): New data members.
10305         * script-sections.cc
10306         (Output_section_element_input::set_section_addresses): Call
10307         current_data_size and addralign methods of relaxed input sections.
10308         (Orphan_output_section::set_section_addresses): Call current_data_size
10309         and addralign methods of relaxed input sections.
10310         * symtab.cc (Symbol_table::compute_final_value): Extract template
10311         from the body of Symbol_table::sized_finalize_symbol.
10312         (Symbol_table::sized_finalized_symbol): Call
10313         Symbol_table::compute_final_value.
10314         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
10315         (Symbol_table::compute_final_value): New templated method declaration.
10316         * target.cc (Target::do_make_output_section): New method defintion.
10317         * target.h (Target::make_output_section): New method declaration.
10318         (Target::relax): Add more parameters for input objects, symbol table
10319         and layout.  Adjust call to do_relax.
10320         (Target::do_make_output_section): New method declaration.
10321         (Target::do_relax): Add parameters for input objects, symbol table
10322         and layout.
10323
10324 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10325
10326         * pread.c: Include stdio.h.
10327
10328 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10329
10330         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
10331         defined.
10332
10333 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10334
10335         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
10336         Change read_shndx type to unsigned int.
10337         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
10338         int.
10339         (Sized_dwarf_line_info::read_line_mappings): Likewise.
10340         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
10341         Change read_shndx type to unsigned int.
10342         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
10343         int.
10344         (Sized_dwarf_line_info::read_line_mappings): Likewise.
10345         * layout.cc (Layout::create_symtab_sections): Cast the result of
10346         local_symcount * symsize to off_t in the gold_assert.
10347
10348 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10349
10350         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
10351         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
10352         R_ARM_BASE_ABS.
10353         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
10354         (Arm_relocate_functions::thm_abs5): New function.
10355         (Arm_relocate_functions::abs12): New function.
10356         (Arm_relocate_functions::abs16): New function.
10357         (Arm_relocate_functions::base_abs): New function.
10358         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
10359         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
10360         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
10361         R_ARM_BASE_ABS.
10362         (Scan::global): Likewise.
10363         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
10364         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
10365         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
10366         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
10367         R_ARM_BASE_ABS.
10368
10369 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10370
10371         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
10372         (Arm_relocate_functions::movt_prel): New function.
10373         (Arm_relocate_functions::thm_movw_prel_nc): New function.
10374         (Arm_relocate_functions::thm_movt_prel): New function.
10375         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
10376         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
10377         (Scan::global, Relocate::relocate): Likewise.
10378         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10379
10380 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10381
10382         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
10383         Incremental_checker.
10384         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
10385         unsigned int.
10386         (class Incremental_inputs_header): New class.
10387         (Incremental_inputs_header_writer): Edit comment.
10388         (Incremental_inputs_entry): New class.
10389         (Incremental_inputs_entry_writer): Edit comment.
10390         (Sized_incremental_binary::do_find_incremental_inputs_section):
10391         Add *strtab_shndx parameter, fill it.
10392         (Sized_incremental_binary::do_check_inputs): New method.
10393         (Incremental_checker::can_incrementally_link_output_file): Use
10394         Sized_incremental_binary::check_inputs.
10395         (Incremental_inputs::report_command_line): Save command line in
10396         command_line_.
10397         * incremental.h:
10398         (Incremental_binary::find_incremental_inputs_section): New
10399         method.
10400         (Incremental_binary::do_find_incremental_inputs_section): Add
10401         strtab_shndx parameter.
10402         (Incremental_binary::do_check_inputs): New pure virtual method.
10403         (Sized_incremental_binary::do_check_inputs): Declare.
10404         (Incremental_checker::Incremental_checker): Add incremental_inputs
10405         parameter, use it to initialize incremental_inputs_.
10406         (Incremental_checker::incremental_inputs_): New field.
10407         (Incremental_checker::command_line): New method.
10408         (Incremental_checker::inputs): New method.
10409         (Incremental_checker::command_line_): New field.
10410
10411 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10412
10413         * incremental.cc: Include <cstdarg> and "target-select.h".
10414         (vexplain_no_incremental): New function.
10415         (explain_no_incremental): New function.
10416         (Incremental_binary::error): New method.
10417         (Sized_incremental_binary::do_find_incremental_inputs_section): New
10418         method.
10419         (make_sized_incremental_binary): New function.
10420         (open_incremental_binary): New function.
10421         (can_incrementally_link_file): Add checks if output is ELF and has
10422         inputs section.
10423         * incremental.h: Include "elfcpp_file.h" and "output.h".
10424         (Incremental_binary): New class.
10425         (Sized_incremental_binary): New class.
10426         (open_incremental_binary): Declare.
10427         * object.cc (is_elf_object): Use
10428         elfcpp::Elf_recognizer::is_elf_file.
10429         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
10430         * output.h (Output_file::filesize): New method.
10431
10432 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10433
10434         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
10435         New function.
10436         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
10437         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
10438         function.
10439         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
10440         function.
10441         (Arm_relocate_functions::movw_abs_nc): New function.
10442         (Arm_relocate_functions::movt_abs): New function.
10443         (Arm_relocate_functions::thm_movw_abs_nc): New function.
10444         (Arm_relocate_functions::thm_movt_abs): New function.
10445         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
10446         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
10447         (Scan::global): Likewise.
10448         (Relocate::relocate): Likewise.
10449         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10450
10451 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10452
10453         * arm.cc (Arm_relocate_functions::got_prel) New function.
10454         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
10455         (Relocate::relocate): Likewise.
10456         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10457
10458 2009-10-06  Ian Lance Taylor  <iant@google.com>
10459
10460         * options.h (class General_options): Define
10461         split_stack_adjust_size parameter.
10462         * object.h (class Object): Add uses_split_stack_ and
10463         has_no_split_stack_ fields.  Add uses_split_stack and
10464         has_no_split_stack accessor functions.  Declare
10465         handle_split_stack_section.
10466         (class Reloc_symbol_changes): Define.
10467         (class Sized_relobj): Define Function_offsets.  Declare
10468         split_stack_adjust, split_stack_adjust_reltype, and
10469         find_functions.
10470         * object.cc (Object::handle_split_stack_section): New function.
10471         (Sized_relobj::do_layout): Call handle_split_stack_section.
10472         * dynobj.cc (Sized_dynobj::do_layout): Call
10473         handle_split_stack_section.
10474         * reloc.cc (Sized_relobj::relocate_sections): Call
10475         split_stack_adjust for executable sections in split_stack
10476         objects.  Pass reloc_map to relocate_section.
10477         (Sized_relobj::split_stack_adjust): New function.
10478         (Sized_relobj::split_stack_adjust_reltype): New function.
10479         (Sized_relobj::find_functions): New function.
10480         * target-reloc.h: Include "object.h".
10481         (relocate_section): Add reloc_symbol_changes parameter.  Change
10482         all callers.
10483         * target.h (class Target): Add calls_non_split method.  Declare
10484         do_calls_non_split virtual method.  Declare match_view and
10485         set_view_to_nop.
10486         * target.cc: Include "elfcpp.h".
10487         (Target::do_calls_non_split): New function.
10488         (Target::match_view): New function.
10489         (Target::set_view_to_nop): New function.
10490         * gold.cc (queue_middle_tasks): Give an error if mixing
10491         split-stack and non-split-stack objects with -r.
10492         * i386.cc (Target_i386::relocate_section): Add
10493         reloc_symbol_changes parameter.
10494         (Target_i386::do_calls_non_split): New function.
10495         * x86_64.cc (Target_x86_64::relocate_section): Add
10496         reloc_symbol_changes parameter.
10497         (Target_x86_64::do_calls_non_split): New function.
10498         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
10499         parameter.
10500         * powerpc.cc (Target_powerpc::relocate_section): Add
10501         reloc_symbol_changes parameter.
10502         * sparc.cc (Target_sparc::relocate_section): Add
10503         reloc_symbol_changes parameter.
10504         * configure.ac: Call AM_CONDITIONAL for the default target.
10505         * configure: Rebuild.
10506         * testsuite/Makefile.am (TEST_AS): New variable.
10507         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
10508         (check_DATA): Add split_i386 and split_x86_64 files.
10509         (SPLIT_DEFSYMS): Define.
10510         (split_i386_[1234n].o): New targets.
10511         (split_i386_[124]): New targets.
10512         (split_i386_[1234r].stdout): New targets.
10513         (split_x86_64_[1234n].o): New targets.
10514         (split_x86_64_[124]): New targets.
10515         (split_x86_64_[1234r].stdout): New targets.
10516         (MOSTLYCLEANFILES): Add new executables.
10517         * testsuite/split_i386.sh: New file.
10518         * testsuite/split_x86_64.sh: New file.
10519         * testsuite/split_i386_1.s: New file.
10520         * testsuite/split_i386_2.s: New file.
10521         * testsuite/split_i386_3.s: New file.
10522         * testsuite/split_i386_4.s: New file.
10523         * testsuite/split_i386_n.s: New file.
10524         * testsuite/split_x86_64_1.s: New file.
10525         * testsuite/split_x86_64_2.s: New file.
10526         * testsuite/split_x86_64_3.s: New file.
10527         * testsuite/split_x86_64_4.s: New file.
10528         * testsuite/split_x86_64_n.s: New file.
10529         * testsuite/testfile.cc (Target_test): Update relocation_section
10530         function.
10531         * testsuite/Makefile.in: Rebuild.
10532
10533 2009-10-06  Ian Lance Taylor  <iant@google.com>
10534
10535         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
10536         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
10537         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
10538         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
10539         the address on ldo_addrs_.
10540         (Target_i386::Relocate::fix_up_ldo): New function.
10541
10542 2009-10-06   Rafael Espindola  <espindola@google.com>
10543
10544         * plugin.cc (add_input_library): New.
10545         (Plugin::load): Add add_input_library to tv.
10546         (Plugin_manager::add_input_file): Add the is_lib argument.
10547         (add_input_file): Update call to Plugin_manager::add_input_file.
10548         (add_input_library): New.
10549         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
10550
10551 2009-09-30  Doug Kwan  <dougkwan@google.com>
10552
10553         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
10554         symbol and call Symbol::may_need_copy_reloc to determine if
10555         a copy reloc is needed.
10556         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
10557         nocopyreloc is given in command line.
10558         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
10559         given in command line.
10560         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
10561         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
10562         of the removed Target_i386::may_need_copy_reloc.
10563         * options.h (copyreloc): New option with default value false.
10564         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10565         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
10566         instead of the removed Target_powerpc::may_need_copy_reloc.
10567         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10568         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
10569         instead of the removed Target_sparc::may_need_copy_reloc.
10570         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
10571         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
10572         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
10573         instead of the removed Target_x86_64::may_need_copy_reloc.
10574
10575 2009-09-30  Ian Lance Taylor  <iant@google.com>
10576
10577         * object.h (class Object): Remove target_ field, and target,
10578         sized_target, and set_target methods.
10579         (Object::sized_target): Remove.
10580         (class Sized_relobj): Update declarations.  Remove sized_target.
10581         * object.cc (Sized_relobj::setup): Remove target parameter.
10582         Change all callers.
10583         (Input_objects::add_object): Don't do anything with the target.
10584         (make_elf_sized_object): Add punconfigured parameter.  Change all
10585         callers.  Set or test parameter target.
10586         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
10587         Change all callers.
10588         * parameters.cc (Parameters::set_target): Change parameter type to
10589         be non-const.
10590         (Parameters::default_target): Remove.
10591         (set_parameters_target): Change parameter type to be non-const.
10592         (parameters_force_valid_target): New function.
10593         (parameters_clear_target): New function.
10594         * parameters.h (class Parameters): Update declarations.  Remove
10595         default_target method.  Add sized_target and clear_target
10596         methods.  Change target_ to be non-const.
10597         (set_parameters_target): Update declaration.
10598         (parameters_force_valid_target): Declare.
10599         (parameters_clear_target): Declare.
10600         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
10601         as NULL if we aren't searching.
10602         (Add_symbols::run): Don't check for compatible target.
10603         * fileread.cc (Input_file::open_binary): Call
10604         parameters_force_valid_target.
10605         * gold.cc (queue_middle_tasks): Likewise.
10606         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
10607         set_target on object.
10608         * dynobj.h (class Sized_dynobj): Update declarations.
10609         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
10610         make_elf_object returns NULL.
10611         (Archive::include_member): Don't check whether object target is
10612         compatible.
10613         * output.cc (Output_section::add_input_section): Get target from
10614         parameters.
10615         (Output_section::relax_input_section): Likewise.
10616         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
10617         parameters.
10618         (Sized_relobj::do_scan_relocs): Likewise.
10619         (Sized_relobj::relocate_sections): Likewise.
10620         * resolve.cc (Symbol_table::resolve): Likewise.
10621         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
10622         parameter.  Change all callers.
10623         (Symbol_table::add_from_object): Get target from parameters.
10624         (Symbol_table::add_from_relobj): Don't check object target.
10625         (Symbol_table::add_from_dynobj): Likewise.
10626         (Symbol_table::define_special_symbol): Get target from
10627         parameters.
10628         * symtab.h (class Symbol_table): Update declaration.
10629         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
10630         parameter.  Change all callers.  Clear parameter target.
10631         (Binary_test): Test target here.
10632         * testsuite/object_unittest.cc (gold_testsuite): Remove
10633         target_test_pointer parameter.  Change all callers.
10634         (Object_test): Test target here.
10635
10636 2009-09-26  Ian Lance Taylor  <iant@google.com>
10637
10638         * testsuite/initpri1.c: Don't try to use constructor priorities if
10639         compiling with gcc before 4.3.
10640
10641 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
10642
10643         * testsuite/retain_symbols_file_test.sh (check_present): Change
10644         output file name to retain_symbols_file_test.stdout.
10645         (check_absent): Likewise.
10646
10647 2009-09-18  Craig Silverstein  <csilvers@google.com>
10648
10649         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
10650         * options.cc: Include <cerrno> and <fstream>.
10651         (General_options::finalize): Parse -retain-symbols-file tag.
10652         * options.h: New flag.
10653         (General_options): New method should_retain_symbol, new
10654         variable symbols_to_retain.
10655         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
10656         should_retain_symbol map.
10657         * testsuite/Makefile.am (retain_symbols_file_test): New test.
10658         * testsuite/Makefile.in: Regenerate.
10659         * testsuite/retain_symbols_file_test.sh: New file.
10660
10661 2009-09-18  Nick Clifton  <nickc@redhat.com>
10662
10663         * po/es.po: Updated Spanish translation.
10664
10665 2009-09-17  Doug Kwan  <dougkwan@google.com>
10666
10667         * debug.h (DEBUG_RELAXATION): New constant.
10668         (DEBUG_ALL): Add DEBUG_RELAXATION.
10669         (debug_string_to_enum): Add relaxation debug option.
10670         * layout.cc
10671         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
10672         Layout::Relaxation_debug_check::read_sections,
10673         Layout::Relaxation_debug_check::read_sections): New method definitions.
10674         (Layout::Layout): Initialize data members
10675         record_output_section_data_from_scrips_,
10676         script_output_section_data_list_ and relaxation_debug_check_.
10677         (Layout::save_segments, Layout::restore_segments,
10678         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10679         Layout::relaxation_loop_body): New method definitions.
10680         (Layout::finalize): Support relaxation.  Move section layout code to
10681         Layout::relaxation_loop_body.
10682         (Layout::set_asection_address_from_script): Move code for orphan
10683         section placement out.
10684         (Layout::place_orphan_sections_in_script): New method definition.
10685         * layout.h (Output_segment_headers, Output_file_header):
10686         New forward class declarations.
10687         (Layout::~Layout): Define.
10688         (Layout::new_output_section_data_from_script): New method definition.
10689         (Layout::place_orphan_sections_in_script): New method declaration.
10690         (Layout::Segment_states): New type declaration.
10691         (Layout::save_segments, Layout::restore_segments,
10692         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10693         Layout::relaxation_loop_body): New method declarations.
10694         (Layout::Output_section_data_list): New type declaration.
10695         (Layout::Relaxation_debug_check): New class definition.
10696         (Layout::record_output_section_data_from_script_,
10697         Layout::script_output_section_data_list_, Layout::segment_states_,
10698         Layout::relaxation_debug_check_): New data members.
10699         * output.cc: (Output_section_headers::do_size): New method definition.
10700         (Output_section_headers::Output_section_headers): Move size
10701         computation to Output_section_headers::do_size.
10702         (Output_segment_headers::do_size): New method definition.
10703         (Output_file_header::Output_file_header): Move size computation to
10704         Output_file_header::do_size and call it.
10705         (Output_file_header::do_size): New method definition.
10706         (Output_data_group::Output_data_group): Adjust call to
10707         Output_section_data.
10708         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
10709         (Output_symtab_xindex::do_write): Add array bound check.
10710         (Output_section::Input_section::print_to_mapfile): Handle
10711         RELAXED_INPUT_SECTION_CODE.
10712         (Output_section::Output_section): Initialize data member checkpoint_.
10713         (Output_section::~Output_section): Delete checkpoint object pointed
10714         by checkpoint_.
10715         (Output_section::add_input_section): Always add an Input_section if
10716         relaxing.
10717         (Output_section::add_merge_input_section): Add assert.
10718         (Output_section::relax_input_section): New method definition.
10719         (Output_section::set_final_data_size): Set load address to zero for
10720         an unallocated section.
10721         (Output_section::do_address_and_file_offset_have_reset_values):
10722         New method definition.
10723         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
10724         Handle relaxed input section.
10725         (Output_section::sort_attached_input_sections): Checkpoint input
10726         section list lazily.
10727         (Output_section::get_input_sections): Change type of input_sections to
10728         list of Simple_input_section pointers.  Checkpoint input section list
10729         lazily.  Also handle relaxed input sections.
10730         (Output_section::add_input_section_for_script): Take a reference to
10731         a Simple_input_section object instead of Relobj pointer and section
10732         index as parameter.  Handle relaxed input sections.
10733         (Output_section::save_states, Output_section::restore_states): New
10734         method definitions.
10735         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
10736         (Output_data::is_data_size_fixed): New method definition.
10737         (Output_data::reset_addresss_and_file_offset): Do not reset data size
10738         if it is fixed.
10739         (Output_data::address_and_file_offset_have_reset_values): New method
10740         definition.
10741         (Output_data::do_address_and_file_offset_have_reset_values): New method
10742         definition.
10743         (Output_data::set_data_size): Check that data size is not fixed.
10744         (Output_data::fix_data_size): New method definition.
10745         (Output_data::is_data_size_fixed_): New data member.
10746         (Output_section_headers::set_final_data_size): New method definition.
10747         (Output_section_headers::do_size): New method declaration.
10748         (Output_segment_headers::set_final_data_size): New method definition.
10749         (Output_segment_headers::do_size): New method declaration.
10750         (Output_file_header::set_final_data_size)::New method definition.
10751         (Output_file_header::do_size)::New method declaration.
10752         (Output_section_data::Output_section_data): Add new parameter
10753         is_data_size_fixed and use it to fix data size.
10754         (Output_data_const::Output_data_const): Adjust call to base class
10755         constructor and fix data size.
10756         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
10757         base class constructor and fix data size.
10758         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
10759         base class constructor and fix data size.
10760         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
10761         class constructor and fix data size.
10762         (Output_data_group::set_final_data_size): New method definition.
10763         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
10764         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
10765         class constructor and fix data size.
10766         (Output_relaxed_input_section): New class definition.
10767         (Output_section::Simple_input_section): New class definition.
10768         (Output_section::get_input_sections): Adjust parameter list.
10769         (Output_section::add_input_section_for_script): Same.
10770         (Output_section::save_states, Output_section::restore_states,
10771         Output_section::do_address_and_file_offset_have_reset_values,
10772         (Output_section::Input_section::Input_section): Handle
10773         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10774         Output_relaxed_input_section.
10775         (Output_section::Input_section::is_input_section,
10776         Output_section::Input_section::set_output_section): Handle relaxed
10777         input section.
10778         (Output_section::Input_section::is_relaxed_input_section,
10779         Output_section::Input_section::output_section_data,
10780         Output_section::Input_section::relaxed_input_section): New method
10781         definitions.
10782         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10783         value.
10784         (Output_section::Input_section::u1_): Update comments.
10785         (Output_section::Input_section::u2_): Add new union member poris.
10786         (Output_section::Checkpoint_output_section): New classs definition.
10787         (Output_section::relax_input_section): New method declaration.
10788         (Output_section::checkpoint_): New data member.
10789         (Output_segment): Update comments.
10790         (Output_segment::Output_segment): Un-privatize copy constructor.
10791         (Output_segment::operator=): Un-privatize.
10792         * script-sections.cc (Output_section_element::Input_section_list):
10793         Change element type to Output_section::Simple_input_section.
10794         (Output_section_element_dot_assignment::set_section_addresses):
10795         Register output section data for relaxation clean up.
10796         (Output_data_exression::Output_data_expression): Adjust call to base
10797         constructor to fix data size.
10798         (Output_section_element_data::set_section_addresses): Register
10799         Output_data_expression object for relaxation clean up.
10800         (struct Input_section_info): Replace Relobj pointer and section index
10801         pair with Output_section::Simple_input_section and Convert struct to a
10802         class.
10803         (Input_section_sorter::operator()): Adjust access to
10804         Input_section_info data member to use accessors.
10805         (Output_section_element_input::set_section_addresses): Use layout
10806         parameter.  Adjust code to use Output_section::Simple_input_section
10807         and Input_secction_info classes.  Register filler for relaxation
10808         clean up.
10809         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10810         and section index pair with Output_section::Simple_input_section
10811         class.  Adjust code accordingly.
10812         (Phdrs_element::release_segment): New method definition.
10813         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10814         segment list.
10815         (Script_sections::release_segments): New method definition.
10816         * gold/script-sections.h (Script_sections::release_segments): New
10817         method declaration.
10818         * gold/target.h (Target::may_relax, Target::relax,
10819         Target::do_may_relax, Target::do_relax): New method definitions.
10820
10821 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10822
10823         * arm.cc (has_signed_unsigned_overflow): New function.
10824         (Arm_relocate_functions::abs8): New function.
10825         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10826         (Target_arm::Scan::global): Likewise.
10827         (Target_arm::relocate::relocate): Likewise.
10828         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10829         Likewise.
10830
10831 2009-09-16  Cary Coutant  <ccoutant@google.com>
10832
10833         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10834         * testsuite/Makefile.in: Regenerate.
10835
10836 2009-09-11  Nick Clifton  <nickc@redhat.com>
10837
10838         * po/gold.pot: Updated by the Translation project.
10839
10840 2009-09-08  Cary Coutant  <ccoutant@google.com>
10841
10842         * output.cc (Output_file::open): Add execute permission to empty file.
10843         * testsuite/Makefile.am (permission_test): New test.
10844         * testsuite/Makefile.in: Regenerate.
10845
10846 2009-09-02  Ian Lance Taylor  <iant@google.com>
10847
10848         * output.cc (Output_file::resize): Call map_no_anonymous rather
10849         than map.
10850
10851 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10852
10853         * gold.cc: Include "incremental.h".
10854         (queue_initial_tasks): Call Incremental_checker methods.
10855         * incremental.cc: Include "output.h".
10856         (Incremental_checker::can_incrementally_link_output_file): New
10857         method.
10858         * incremental.h (Incremental_checker): New class.
10859
10860         * output.cc (Output_file::open_for_modification): New method.
10861         (Output_file::map_anonymous): Changed return type to bool.  Record
10862         map in base_ field.
10863         (Output_file::map_no_anonymous): New method, broken out of map.
10864         (Output_file::map): Use map_no_anonymous and map_anonymous.
10865         * output.h (class Output_file): Update declarations.
10866
10867 2009-08-24  Cary Coutant  <ccoutant@google.com>
10868
10869         * options.h (Command_line::Pre_options): New class.
10870         (Command_line::pre_options): New member.
10871         * options.cc (gold::options::ready_to_register): New variable.
10872         (One_option::register_option): Do nothing if not registering options.
10873         Assert if same short option registered twice.
10874         (General_options::General_options): Turn off option registration when
10875         done constructing.
10876         (Command_line::Pre_options::Pre_options): New constructor.
10877
10878 2009-08-24  Cary Coutant  <ccoutant@google.com>
10879
10880         * options.h (General_options::no_keep_memory): Remove incorrect
10881         short option.
10882
10883 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10884
10885         * Makefile.am (am__skiplex, am__skipyacc): New.
10886         * Makefile.in: Regenerate.
10887
10888 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10889
10890         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10891         (INCLUDES): ... this.
10892         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10893         (AM_CPPFLAGS): Renamed from ...
10894         (INCLUDE): ... this.
10895         * Makefile.in, testsuite/Makefile.in: Regenerate.
10896
10897         * Makefile.in: Regenerate.
10898         * aclocal.m4: Likewise.
10899         * config.in: Likewise.
10900         * configure: Likewise.
10901         * testsuite/Makefile.in: Likewise.
10902
10903         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10904         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10905         * Makefile.in: Regenerate.
10906         * testsuite/Makefile.in: Regenerate.
10907
10908 2009-08-19  Cary Coutant  <ccoutant@google.com>
10909
10910         * resolve.cc (Symbol_table::resolve): Don't complain about defined
10911         symbols in shared libraries overridden by hidden or internal symbols
10912         in the main program.
10913
10914 2009-08-19  Chris Demetriou  <cgd@google.com>
10915
10916         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10917         checking source file names in error messages.
10918
10919 2009-08-18  Doug Kwan  <dougkwan@google.com>
10920
10921         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
10922         an elcpp::Ehdr as parameter.  Adjust call to set_target.
10923         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
10924         an elfcpp::Ehdr as parameter.
10925         * object.cc (Object::set_target): Remove the version that looks up
10926         a target and sets it.
10927         (Sized_relobj::setup): Take a Target object instead of
10928         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
10929         (make_elf_sized_object): Find target and ask target to
10930         make an ELF object.
10931         * object.h: (Object::set_target): Remove the version that looks up
10932         a target and sets it.
10933         (Sized_relobj::setup): Take a Target object instead of
10934         an elfcpp:Ehdr as parameter.
10935         * target.cc: Include dynobj.h.
10936         (Target::do_make_elf_object_implementation): New.
10937         (Target::do_make_elf_object): New.
10938         * target.h (Target::make_elf_object): New template declaration.
10939         (Target::do_make_elf_object): New method declarations.
10940         (Target::do_make_elf_object_implementation): New template declaration.
10941
10942 2009-08-14  Ian Lance Taylor  <iant@google.com>
10943
10944         * gold.h (FUNCTION_NAME): Define.
10945         (gold_unreachable): Use FUNCTION_NAME.
10946
10947 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10948
10949         * icf.cc (Icf::find_identical_sections): Issue a warning when a
10950         symbol in the --keep-unique list is not found.
10951
10952 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10953
10954         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
10955         been maked as --keep-unique.
10956         (Icf::unfold_section): New function.
10957         * icf.h (Icf::unfold_section): New function.
10958         * options.h (General_options::keep_unique): New option.
10959         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
10960         * testsuite/Makefile.in: Regenerate.
10961         * testsuite/icf_keep_unique_test.sh: New file.
10962         * testsuite/icf_keep_unique_test.cc: New file.
10963
10964 2009-08-12  Cary Coutant  <ccoutant@google.com>
10965
10966         PR 10471
10967         * resolve.cc (Symbol_table::resolve): Check for references from
10968         dynamic objects to hidden and internal symbols.
10969         * testsuite/Makefile.am (hidden_test.sh): New test.
10970         * testsuite/Makefile.in: Regenerate.
10971         * testsuite/hidden_test.sh: New script.
10972         * testsuite/hidden_test_1.c: New test source.
10973         * testsuite/hidden_test_main.c: New test source.
10974
10975 2009-08-11  Doug Kwan  <dougkwan@google.com>
10976
10977         * arm.cc: Update comments.
10978         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10979         segment to locate the .ARM.exidx section if present.
10980
10981 2009-08-09  Doug Kwan  <dougkwan@google.com>
10982
10983         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10984         patch.
10985
10986 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10987         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10988         compiler warnings.
10989
10990 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10991
10992         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10993         valid tls_segment only for non-debug-section relocations.
10994         * testsuite/Makefile.am: Add gc_tls_test.
10995         * testsuite/Makefile.in: Regenerate.
10996         * testsuite/gc_tls_test.cc: New file.
10997         * testsuite/gc_tls_test.sh: New file.
10998
10999 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
11000
11001         * icf.cc: New file.
11002         * icf.h: New file.
11003         * Makefile.am (CCFILES): Add icf.cc.
11004         (HFILES): Add icf.h
11005         * Makefile.in: Regenerate.
11006         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
11007         * gc.h (gc_process_relocs): Populate lists used by icf to contain
11008         section, symbol and addend information for the relocs.
11009         * gold.cc (queue_middle_tasks): Call identical code folding.
11010         * gold.h: Add defines for multimap.
11011         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
11012         to the call of finalize_local_symbols.
11013         * main.cc (main): Create object of class Icf.
11014         * object.cc (Sized_relobj::do_layout): Allow this function to be
11015         called twice during icf.
11016         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
11017         to sections marked as identical by icf.
11018         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
11019         when available.
11020         (Sized_relobj::do_section_entsize): New function.
11021         * object.h (Object::section_entsize): New function.
11022         (Object::do_section_entsize): New pure virtual function.
11023         (Relobj::finalize_local_symbols): Add new parameter.
11024         (Relobj::do_section_entsize): New function.
11025         * options.h (General_options::icf): New option.
11026         (General_options::icf_iterations): New option.
11027         (General_options::print_icf_sections): New option.
11028         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
11029         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
11030         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
11031         icf.
11032         * symtab.cc (Symbol_table::is_section_folded): New function.
11033         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
11034         to sections marked as identical by icf.
11035         * symtab.h (Symbol_table::set_icf): New function.
11036         (Symbol_table::icf): New function.
11037         (Symbol_table::is_section_folded): New function.
11038         (Symbol_table::icf_): New data member.
11039         * target-reloc.h (relocate_section): Ignore sections folded by icf.
11040         * testsuite/Makefile.am: Add commands to build icf_test.
11041         * testsuite/Makefile.in: Regenerate.
11042         * testsuite/icf_test.sh: New file.
11043         * testsuite/icf_test.cc: New file.
11044
11045 2009-07-24  Chris Demetriou  <cgd@google.com>
11046
11047         * layout.cc (is_compressible_debug_section): Fix incorrect
11048         comment about compressed section names.
11049
11050 2009-07-20  Ian Lance Taylor  <ian@airs.com>
11051
11052         PR 10419
11053         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
11054
11055 2009-07-16  Ian Lance Taylor  <iant@google.com>
11056
11057         PR 10400
11058         * layout.h: #include <map>.
11059         (class Kept_section): Change from struct to class.  Add accessors
11060         and setters.  Add section size to Comdat_group mapping.  Change
11061         Comdat_group to std::map.  Add is_comdat_ field.  Add
11062         linkonce_size field in union.
11063         (class Layout): Update declaration of find_or_add_kept_section.
11064         Don't declare find_kept_object.
11065         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
11066         parameter.  Add object, shndx, is_comdat, and is_group_name
11067         parameters.  Change all callers.  Adjust for new Kept_section.
11068         (Layout::find_kept_object): Remove.
11069         * object.cc (Sized_relobj::include_section_group): Update use of
11070         Kept_section.  Rename secnum to shndx.  Only record
11071         Kept_comdat_section if sections are the same size.
11072         (Sized_relobj::include_linkonce_section): Update use of
11073         Kept_section.  Only record Kept_comdat_section if sections are the
11074         same size.  Set size of linkonce section.
11075         (Sized_relobj::map_to_kept_section): Update call to
11076         get_kept_comdat_section.
11077         * object.h (class Sized_relobj): Rename fields in
11078         Kept_comdat_section to drop trailing underscores; change object
11079         field to Relobj*.  Change Kept_comdat_section_table to store
11080         struct rather than pointer.
11081         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
11082         Add kept_object and kept_shndx parameters.  Change all callers.
11083         (Sized_relobj::get_kept_comdat_section): Change return type to
11084         bool.  Add kept_object and kept_shndx parameters.  Change all
11085         callers.
11086         * plugin.cc (Pluginobj::include_comdat_group): Update call to
11087         Layout::find_or_add_kept_section.
11088
11089 2009-07-09  Ian Lance Taylor  <iant@google.com>
11090
11091         * merge.cc (Object_merge_map::initialize_input_to_output_map):
11092         Reserve space in the hash table.
11093
11094 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
11095
11096         * fileread.cc (File_read::get_mtime): New method.
11097         * fileread.h (Timespec): New structure.
11098         (File_read::get_mtime): New method.
11099         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
11100         Renamed from timestamp_nsec.
11101         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
11102         Elf_Xword.
11103         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
11104         timestamp_nsec.
11105         (Incremental_inputs::report_archive): Save mtime; style fix.
11106         (Incremental_inputs::report_obejct): Save mtime; style fix.
11107         (Incremental_inputs::report_script): Save mtime; style fix.
11108         (Incremental_inputs::finalize_inputs): Style fix.
11109         (Incremental_inputs::finalize): Style fix.
11110         (Incremental_inputs::create_input_section_data): Store inputs
11111         mtime.
11112         * incremental.h (Incremental_inputs::report_script): Add mtime
11113         argument.
11114         (Incremental_inputs::Input_info::Input_info): Intialize only one
11115         union member.
11116         (Incremental_inputs::Input_info::archive): Move to nameless
11117         union.
11118         (Incremental_inputs::Input_info::obejct): Move to nameless union.
11119         (Incremental_inputs::Input_info::script): Move to nameless union.
11120         (Incremental_inputs::mtime): New field.
11121         * script.cc (read_input_script): Pass file mtime to
11122         Incremental_input.
11123         * script.h (Script_info::inputs): Style fix.
11124
11125 2009-07-01  Ian Lance Taylor  <ian@airs.com>
11126
11127         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
11128         instead of 32.
11129
11130 2009-06-24  Ian Lance Taylor  <iant@google.com>
11131
11132         PR 10156
11133         * layout.cc (Layout::choose_output_section): If we find an
11134         existing section, update the flags.
11135         (Layout::create_notes): New function, broken out of
11136         Layout::finalize.
11137         (Layout::finalize): Don't create note sections.
11138         (Layout::create_note): Don't crash if linker script discards
11139         section.
11140         (Layout::create_gold_note): Likewise.
11141         (Layout::create_build_id): Likewise.  Don't set
11142         after_input_sections on the section.
11143         (Layout::create_executable_stack_info): Remove target parameter.
11144         Change caller.
11145         * layout.h (class Layout): Declare create_notes.  Update
11146         declaration of create_executable_stack_info.
11147         * gold.cc (queue_middle_tasks): Call create_notes.
11148         * output.cc (Output_section::update_flags_for_input_section): Move
11149         here from output.h.  If SHF_ALLOC flag is newly set, mark address
11150         invalid.
11151         * output.h (Output_data::mark_address_invalid): New function.
11152         (class Output_section): Only declare, not define,
11153         update_flags_for_input_section.  Remove set_flags.
11154
11155 2009-06-24  Ian Lance Taylor  <iant@google.com>
11156
11157         * script-sections.cc (Output_section_definition::
11158         set_section_addresses): Rename shadowing local load_address to
11159         laddr.
11160
11161 2009-06-24  Ian Lance Taylor  <iant@google.com>
11162
11163         PR 10244
11164         * reloc.cc (relocate_sections): Skip empty relocation sections.
11165
11166 2009-06-23  Ian Lance Taylor  <iant@google.com>
11167
11168         PR 10156
11169         * layout.cc (Layout::create_note): Use choose_output_section
11170         rather than make_output_section.
11171
11172 2009-06-23  Ian Lance Taylor  <iant@google.com>
11173
11174         PR 10237
11175         * options.cc (General_options::parse_V): Set printed_version_.
11176         (General_options::General_options): Initialize printed_version_.
11177         * options.h (class General_options): Add printed_version_ field.
11178         * gold.cc (queue_initial_tasks): If there are no input files,
11179         don't give a fatal error if we printed the version information.
11180         (queue_middle_tasks): If using -r with a shared object, give a
11181         fatal error rather than an ordinary error.
11182
11183 2009-06-23  Ian Lance Taylor  <iant@google.com>
11184
11185         PR 10219
11186         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
11187         (Layout::make_output_section): Set have_stabstr_section_ if we see
11188         a .stab*str section.
11189         (Layout::finalize): Call link_stabs_sections.
11190         (Layout::link_stabs_sections): New file.
11191         * layout.h (class Layout): Add have_stabstr_section_ field.
11192         Declare link_stabs_sections.
11193
11194 2009-06-23  Doug Kwan  <dougkwan@google.com>
11195
11196         * Makefile.am (libgold_a_LIBADD): New.
11197         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
11198         * Makefile.in: Regenerate.
11199         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
11200         * configure: Regenerate.
11201         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
11202         * fileread.cc: Include sys/state.h
11203         * gold.h: Declare memmem and strndup if found missing.
11204         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
11205
11206 2009-06-23  Ian Lance Taylor  <iant@google.com>
11207
11208         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
11209         * configure: Rebuild.
11210
11211 2009-06-23  Ian Lance Taylor  <iant@google.com>
11212
11213         PR 10147
11214         * object.cc (Object::section_contents): Don't try to get a view if
11215         the section has length zero.
11216         (Object::handle_gnu_warning_section): If the section is empty, use
11217         the name of the section as the warning.
11218
11219 2009-06-23  Ian Lance Taylor  <iant@google.com>
11220
11221         PR 10133
11222         * stringpool.h (class Stringpool_template): Add optimize_ field.
11223         (Stringpool_template::set_optimize): New function.
11224         * stringpool.cc (Stringpool_template::Stringpool_template):
11225         Initialize optimize_ field.
11226         (Stringpool_template::set_string_offsets): Test local optimize
11227         fild rather than parameter.
11228         * layout.cc (Layout::Layout): Call set_optimize on the section
11229         name stringpool.
11230
11231 2009-06-22  Ian Lance Taylor  <iant@google.com>
11232
11233         PR 10030
11234         * yyscript.y: Parse TARGET.
11235         * script.cc (script_set_target): New function.
11236         * script-c.h (script_set_target): Declare.
11237         * options.cc (General_options::string_to_object_format): Rename
11238         from string_to_object_format in anonymous namespace.  Change
11239         callers.
11240         * options.h (class General_options): Declare
11241         string_to_object_format.
11242
11243 2009-06-22  Ian Lance Taylor  <iant@google.com>
11244
11245         * script-sections.cc (Script_sections::create_segments): Don't put
11246         program headers in a PT_LOAD segment if -n or -N.
11247
11248 2009-06-22  Ian Lance Taylor  <iant@google.com>
11249
11250         PR 10141
11251         * options.h (class General_options): Add -z lazy and -z now.  Sort
11252         -z options into alphabetical order.
11253         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
11254
11255 2009-06-21  Ian Lance Taylor  <iant@google.com>
11256
11257         * layout.cc (Layout::make_output_section): Call
11258         Target::new_output_section.
11259         (Layout::attach_allocated_section_to_segment): Put large section
11260         sections in a separate load segment with the large segment flag
11261         set.
11262         (Layout::segment_precedes): Sort large data segments after other
11263         load segments.
11264         (align_file_offset): New static function.
11265         (Layout::set_segment_offsets): Use align_file_offset.
11266         * output.h (class Output_section): Add is_small_section_ and
11267         is_large_section_ fields.
11268         (Output_section::is_small_section): New function.
11269         (Output_section::set_is_small_section):  New function.
11270         (Output_section::is_large_section): New function.
11271         (Output_section::set_is_large_section): New function.
11272         (Output_section::is_large_data_section): New function.
11273         (class Output_segment): Add is_large_data_segment_ field.
11274         (Output_segment::is_large_data_segment): New function.
11275         (Output_segment::set_is_large_data_segment): New function.
11276         * output.cc (Output_section::Output_section): Initialize new
11277         fields.
11278         (Output_segment::Output_segment): Likewise.
11279         (Output_segment::add_output_section): Add assertion that large
11280         data sections always go in large data segments.  Force small data
11281         sections to the end of the list of data sections.  Force small BSS
11282         sections to the start of the list of BSS sections.  For large BSS
11283         sections to the end of the list of BSS sections.
11284         * symtab.h (class Symbol): Declare is_common_shndx.
11285         (Symbol::is_defined): Check Symbol::is_common_shndx.
11286         (Symbol::is_common): Likewise.
11287         (class Symbol_table): Define enum Commons_section_type.  Update
11288         declarations.  Add small_commons_ and large_commons_ fields.
11289         * symtab.cc (Symbol::is_common_shndx): New function.
11290         (Symbol_table::Symbol_table): Initialize new fields.
11291         (Symbol_table::add_from_object): Put small and large common
11292         symbols in the right list.
11293         (Symbol_table::sized_finalized_symbol): Check
11294         Symbol::is_common_shndx.
11295         (Symbol_table::sized_write_globals): Likewise.
11296         * common.cc (Symbol_table::do_allocate_commons): Allocate new
11297         common symbol lists.  Don't call do_allocate_commons_list if the
11298         list is empty.
11299         (Symbol_table::do_allocate_commons_list): Remove is_tls
11300         parameter.  Add comons_section_type parameter.  Change all
11301         callers.  Handle small and large common symbols.
11302         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
11303         Symbol::is_common_shndx.
11304         * resolve.cc (symbol_to_bits): Likewise.
11305         * target.h (Target::small_common_shndx): New function.
11306         (Target::small_common_section_flags): New function.
11307         (Target::large_common_shndx): New function.
11308         (Target::large_common_section_flags): New function.
11309         (Target::new_output_section): New function.
11310         (Target::Target_info): Add small_common_shndx, large_common_shndx,
11311         small_common_section_flags, and large_common_section_flags
11312         fields.
11313         (Target::do_new_output_section): New virtual function.
11314         * arm.cc (Target_arm::arm_info): Initialize new fields.
11315         * i386.cc (Target_i386::i386_info): Likewise.
11316         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
11317         Likewise.
11318         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
11319         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11320         (Target_x86_64::do_new_output_section): New function.
11321         * configure.ac: Define conditional MCMODEL_MEDIUM.
11322         * testsuite/Makefile.am (check_PROGRAMS): Add large.
11323         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
11324         (large_LDFLAGS): Define.
11325         * testsuite/large.c: New file.
11326         * testsuite/testfile.cc (Target_test::test_target_info):
11327         Initialize new fields.
11328         * configure, testsuite/Makefile.in: Rebuild.
11329
11330 2009-06-05  Doug Kwan  <dougkwan@google.com>
11331
11332         * Makefile.am (CCFILES): Add target.cc.
11333         * Makefile.in: Regenerate.
11334         * i386.cc (class Target_i386): Define new virtual method to
11335         override do_is_local_label_name in parent.
11336         * object.cc (Sized_relobj::do_count_local_symbols): Discard
11337         local symbols if --discard-locals or -X is given.
11338         * options.h (class General_options): Declare new options
11339         '--discard-locals' and '-X' for discarding locals.
11340         * target.h (class Target): Define new methods is_local_label_name.
11341         Declare new virtual method do_is_local_label_name.
11342         * target.cc: New file.
11343         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
11344         (check_SCRIPTS): Add discard_locals_test.sh.
11345         (check_DATA): Add discard_local_tests.syms.
11346         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
11347         (discard_local_tests.syms, discard_locals_test.o): New make rules.
11348         * testsuite/Makefile.in: Regenerate.
11349         * testsuite/discard_locals_test.c: New file.
11350         * testsuite/discard_locals_test.sh: Same.
11351
11352 2009-06-05  Doug Kwan  <dougkwan@google.com>
11353
11354         * object.cc (Sized_relobj::Sized_relobj): Initialize
11355         discarded_eh_frame_shndx_ to -1U.
11356         (Sized_relobj::do_layout): Record index of a discard .eh_frame
11357         section.
11358         (Sized_relobj::do_count_local_symbols): Skip local symbols in
11359         a discarded .eh_frame section.
11360         (Sized_relobj::do_finalize_local_symbols): Ditto.
11361         * object.h (class Sized_relobj): Declare new member
11362         discarded_eh_frame_shndx_.
11363         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
11364         (local_labels_test.o, local_labels_test): New rules.
11365         * testsuite/Makefile.in: Regenerate.
11366
11367 2009-06-04  Doug Kwan  <dougkwan@google.com>
11368
11369         * layout.cc (Layout::section_name_mapping): Add mapping for
11370         special ARM sections.
11371
11372 2009-06-03  Doug Kwan  <dougkwan@google.com>
11373
11374         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
11375         (utils::has_overflow): Same.
11376
11377 2009-06-03  Ian Lance Taylor  <iant@google.com>
11378
11379         * layout.cc (Layout::section_name_mapping): New array, replacing
11380         Layout::linkonce_mapping.
11381         (Layout::section_name_mapping_count): New variable, replacing
11382         Layout::linkonce_mapping_count.
11383         (Layout::linkonce_output_name): Remove.
11384         (Layout::output_section_name): Rewrite.
11385         * layout.h (class Layout): Rename Linkonce_mapping to
11386         Section_name_mapping, linkonce_mapping to section_name_mapping,
11387         linkonce_mapping_count to section_name_mapping_count.  Don't
11388         declare linkonce_output_name.
11389
11390 2009-06-03  Doug Kwan  <dougkwan@google.com>
11391
11392         * gold/arm.cc (namespace utils): New.
11393         (Target_arm::reloc_is_non_pic): Define new method.
11394         (class Arm_relocate_functions): New.
11395         (Target_arm::Relocate::relocate): Handle relocation types used by
11396         Android.
11397
11398 2009-06-03  Ian Lance Taylor  <iant@google.com>
11399
11400         * arm.cc (Target_arm::scan::global): Use || instead of |.
11401
11402 2009-06-02  Doug Kwan  <dougkwan@google.com>
11403
11404         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
11405         issued_non_pic_error_.
11406         (class Target_arm::Scan): Declare new method check_non_pic.
11407         Define new method symbol_needs_plt_entry.
11408         Declare new data member issued_non_pic_error_.
11409         (class Target_arm::Relocate): Declare new method
11410         should_apply_static_reloc.
11411         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
11412         (Target_arm::Scan::check_non_pic): Define new method.
11413         (Target_arm::Scan::local): Handle a small subset of reloc types used
11414         by Android.
11415         (Target_arm::Scan::local): Same.
11416         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
11417
11418 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
11419
11420         * incremental.cc (Incremental_inputs::report_command_line): Filter
11421         out --incremental-* options.
11422
11423 2009-05-29  Doug Kwan  <dougkwan@google.com>
11424
11425         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
11426         template class.
11427         (class Target_arm): Update comment.
11428         (Target_arm::Target_arm): Initialize new data members GOT_,
11429         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
11430         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
11431         and Target_arm::rel_dyn_section.
11432         Declare new_enum Target_arm::Got_type.
11433         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
11434         and DYNBSS_.
11435         Update commments for member do_dynsym_value.
11436         (Target_arm::got_size, Target_arm::plt_section,
11437         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
11438         new methods inside class defintion.
11439         (Target_arm::got_section): Define new method.
11440         (Target_arm::rel_dyn_section): Same.
11441         (Output_data_plt_arm): New template class.
11442         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
11443         (Output_data_plt_arm:do_adjust_output_section): Define new method.
11444         (Output_data_plt_arm::add_entry): Same.
11445         (Output_data_plt_arm::first_plt_entry): Define new
11446         static data member for PLT instruction template.
11447         (Output_data_plt_arm::plt_entry): Same.
11448         (Output_data_plt_arm::do_write): Define new method.
11449         (Target_arm::make_plt_entry): Same.
11450         (Target_arm::do_finalize_sections): Same.
11451         (Target_arm::do_dynsym_value): Same.
11452
11453 2009-05-28  Doug Kwan  <dougkwan@google.com>
11454
11455         * Makefile.am (TARGETSOURCES): Add arm.cc.
11456         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
11457         * Makefile.in: Regenerate.
11458         * arm.cc: New file.
11459         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
11460
11461 2009-05-26  Doug Kwan  <dougkwan@google.com>
11462
11463         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
11464         (General_options::check_excluded_libs): Strip off directories in
11465         archive name before matching like GNU ld does.
11466         * testsuite/Makefile.am (MOSTLYCLEANFILES,
11467         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
11468         (exclude_libs_test_LDFLAGS): Add linker option
11469         -Wl,--exclude-libs,libexclude_libs_test_3
11470         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
11471         an explicit archive without using -l.
11472         (alt/libexclude_libs_test_3.a): New make rule.
11473         * testsuite/Makefile.in: Regenerate.
11474         * testsuite/exclude_libs_test.c : Declare lib3_default().
11475         (main): Call it.
11476         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
11477         * exclude_libs_test_3.c: New file.
11478
11479 2009-05-26  Nick Clifton  <nickc@redhat.com>
11480
11481         * po/id.po: New Indonesian translation.
11482         * po/gold.pot: Updated template file.
11483
11484 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
11485
11486         * testsuite/Makefile.am: Add -ffunction-sections to compile
11487         gc_comdat_test files.  Add -Wl,--gc-sections to build
11488         gc_comdat_test.
11489         * testsuite/Makefile.in: Regenerate.
11490         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
11491
11492 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
11493
11494         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
11495         kept comdat section was garbage collected.
11496         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
11497         * testsuite/Makefile.in: Regenerate.
11498         * testsuite/gc_comdat_test.sh: New file.
11499         * testsuite/gc_comdat_test_1.cc: New file.
11500         * testsuite/gc_comdat_test_2.cc: New file.
11501
11502 2009-05-19  Doug Kwan  <dougkwan@google.com>
11503
11504         * archive.cc (Archive::Archive): Move constructor from archive.h
11505         to here.  Initialize no_export_.
11506         (Archive::get_elf_object_for_member): Set no_export flag of object.
11507         * archive.h (Archive::Archive): Move constructor body to
11508         archive.cc.
11509         (Archive::no_export): New method.
11510         (Archive::no_export_): New field.
11511         * object.h (Object::Object): Initialize no_export_ to false.
11512         (Object::no_export, Object::set_no_export): New methods.
11513         (Object::no_export_): New field.
11514         * options.cc (General_options::parse_exclude_libs): New method.
11515         (General_options::check_excluded_libs) Same.
11516         * options.h (exclude_libs): New option.
11517         (General_options::check_excluded_libs): New method declaration.
11518         (General_options::excluded_libs_): New field.
11519         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
11520         default or protected visibility if an object has no-export flag set.
11521         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
11522         (check_SCRIPTS): Add exclude_libs_test.sh.
11523         (check_DATA): Add exclude_libs_test.syms.
11524         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
11525         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
11526         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
11527         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
11528         (exclude_libs_test.syms, libexclude_libs_test_1.a,
11529         libexclude_libs_test_2.a): New rules.
11530         * testsuite/Makefile.in: Regenerate.
11531         * testsuite/exclude_libs_test.c: New file.
11532         * testsuite/exclude_libs_test.sh: Ditto.
11533         * testsuite/exclude_libs_test_1.c: Ditto.
11534         * testsuite/exclude_libs_test_2.c: Ditto.
11535
11536 2009-05-15  Ian Lance Taylor  <iant@google.com>
11537
11538         * configure.ac: Check for declarations for cases where libiberty.h
11539         checks HAVE_DECL_xxx.
11540         * configure, config.in: Rebuild.
11541
11542 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
11543
11544         * gold.h (Incremental_argument_list): Remove (invalid) forward
11545         declaration.
11546         * incremental.cc (Incremental_inputs::report_achive): New method.
11547         (Incremental_inputs::report_object): New method.
11548         (Incremental_inputs::report_script): New method.
11549         (Incremental_inputs::finalize_inputs): New method.
11550         (Incremental_inputs::finalize): Call finalize_inputs().
11551         (Incremental_inputs::sized_create_incremental_inputs_section_data):
11552         Create inputs entries.
11553         * incremental.h (Incremental_input_type): New enum.
11554         (Incremental_inputs::Incremental_input): Initialize new fields.
11555         (Incremental_inputs::report_inputs): New method.
11556         (Incremental_inputs::report_achive): New method.
11557         (Incremental_inputs::report_object): New method.
11558         (Incremental_inputs::report_script): New method.
11559         (Incremental_inputs::finalize_inputs): New method.
11560         (Incremental_inputs::Input_info): New struct.
11561         (Incremental_inputs::Input_info_map): New typedef.
11562         (Incremental_inputs::lock_): New field.
11563         (Incremental_inputs::Inputs_): New field.
11564         (Incremental_inputs::Inputs_map): New field.
11565         * main.cc (main): Call Incremental_input::report_inputs.
11566         * options.h (Input_argument_list): Typedef moved from
11567         Input_arguments.
11568         (Input_file_group::Files): Remove, use ::Input_argument_list.
11569         (Input_file_group::Input_argument_list): Remove, use
11570         ::Input_argument_list.
11571         * plugin.cc (Plugin_manager::add_input_file): Add error in
11572         incremental build.
11573         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
11574         functions.
11575         * script.cc (read_input_script): Call
11576         Incremental_input::report_script.
11577         * script.h (Script_info): New class.
11578
11579 2009-04-27  Ian Lance Taylor  <iant@google.com>
11580
11581         * x86_64.cc (do_adjust_output_section): Set entsize to
11582         plt_entry_size.
11583
11584 2009-04-23  Elliott Hughes  <enh@google.com>
11585
11586         * output.cc (Output_file::close): After short writes, continue
11587         writing from the correct offset in the buffer being written.
11588
11589 2009-04-23  Chris Demetriou  <cgd@google.com>
11590
11591         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
11592         * configure: Regenerate.
11593         * config.in: Regenerate.
11594         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
11595         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
11596
11597 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
11598
11599         * incremental.cc (Incremental_inputs_header_data): Renamed from
11600         Incremental_input_header_data.
11601         (Incremental_inputs_header_data::data_size): New field.
11602         (Incremental_inputs_header_data::put_input_file_count): Renamed
11603         from input_file_count.
11604         (Incremental_inputs_header_data::put_command_line_offset): Renamed
11605         from command_line_offset.
11606         (Incremental_inputs_header_data::put_reserved): Renamed from
11607         put_reserved.
11608         (Incremental_inputs_entry_data): Renamed from
11609         Incremental_input_entry_data.
11610         (Incremental_inputs_entry_data::data_size): New field.
11611         (Incremental_inputs::report_command_line): New method.
11612         (Incremental_inputs::finalize): New method.
11613         (Incremental_inputs::create_incremental_inputs_data): New method.
11614         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
11615         * incremental.h: New file.
11616         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
11617         (Layout::finalize): Create incremental inputs section in
11618         incremental builds.
11619         (Layout::create_incremental_info_sections): New method.
11620         * layout.h (Layout::incremental_inputs): New method.
11621         (Layout::create_incremental_info_sections): New method.
11622         (Layout::incremental_inputs_): New field.
11623         * main.cc (main): Notify Incremental_input of the command line.
11624
11625 2009-04-01  Ian Lance Taylor  <iant@google.com>
11626             Mikolaj Zalewski  <mikolajz@google.com>
11627
11628         * gold.h (reserve_unordered_map): Define, three versions, one for
11629         each version of Unordered_map.
11630         * layout.cc (Layout::Layout): Remove options parameter.  Add
11631         number_of_input_files parameter.  Don't initialize options_.
11632         Initialize number_of_input_files_ and resized_signatures_.  Move
11633         sections_are_attached_.
11634         (Layout::layout_group): Reserve space for group_signatures_.
11635         (Layout::find_or_add_kept_section): Change name parameter to be a
11636         reference.  Resize signatures_ map when it gets large enough.
11637         (Layout::layout_eh_frame): Use parameters->options() instead of
11638         this->options_.
11639         (Layout::make_output_section): Likewise.
11640         (Layout::attach_allocated_section_to_segment): Likewise.
11641         (Layout::finalize, Layout::create_executable_stack): Likewise.
11642         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
11643         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
11644         * layout.h (class Layout): Update declarations.  Remove options_
11645         field.  Add number_of_input_files_ and resized_signatures_
11646         fields.  Move sections_are_attached_ field.
11647         * main.cc (main): Pass number of input files to Layout
11648         constructor.  Don't pass options.
11649
11650 2009-03-30  Ian Lance Taylor  <iant@google.com>
11651
11652         * ffsll.c (ffsll): Correct implementation.
11653
11654 2009-03-27  Ian Lance Taylor  <iant@google.com>
11655
11656         * ffsll.c: New file.
11657         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
11658         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
11659         * ftruncate.c (ftruncate): Declare before definition.
11660         * mremap.c (mremap): Likewise.
11661         * pread.c (pread): Likewise.
11662         * configure, Makefile.in, config.in: Rebuild.
11663
11664         * mremap.c: New file.
11665         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
11666         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
11667         (mremap): Declare if HAVE_MREMAP is not defined.
11668         * configure, Makefile.in, config.in: Rebuild.
11669
11670 2009-03-27  Cary Coutant  <ccoutant@google.com>
11671
11672         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
11673         position independent.
11674         * sparc.cc (Target_sparc::check_non_pic): Likewise.
11675         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
11676
11677 2009-03-24  Cary Coutant  <ccoutant@google.com>
11678
11679         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
11680         an executable.
11681         (needs_dynamic_reloc): Likewise.
11682
11683 2009-03-24  Ian Lance Taylor  <iant@google.com>
11684
11685         * yyscript.y (file_cmd): Recognize EXTERN.
11686         (extern_name_list, extern_name_list_body): New nonterminals.
11687         * script.cc (script_add_extern): Define.
11688         * script-c.h (script_add_extern): Declare.
11689
11690 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
11691
11692         * object.cc (is_elf_object): Define.
11693         * object.h (is_elf_object): Declare.
11694         * archive.cc (Archive::get_elf_object_for_member): Call
11695         is_elf_object.
11696         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
11697
11698 2009-03-24  Elliott Hughes  <enh@google.com>
11699
11700         * output.cc (Output_file::map_anonymous): Define.
11701         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
11702         try an anonymous one.  Report the size if the mmap fails.
11703         * output.h (class Output_file): Declare map_anonymous.
11704
11705 2009-03-24  Ian Lance Taylor  <iant@google.com>
11706
11707         * target-select.cc (instantiate_target): Don't acquire the lock if
11708         the instantiated_target_ field has already been set.
11709
11710 2009-03-23  Ian Lance Taylor  <iant@google.com>
11711
11712         * gold-threads.h (class Initialize_lock): Define.
11713         * gold-threads.cc (class Initialize_lock_once): Define.
11714         (initialize_lock_control): New static variable.
11715         (initialize_lock_pointer): New static variable.
11716         (initialize_lock_once): New static function.
11717         (Initialize_lock::Initialize_lock): Define.
11718         (Initialize_lock::initialize): Define.
11719         * target-select.h: Include "gold-threads.h".
11720         (class Target_selector): Add lock_ and initialize_lock_ fields.
11721         Don't define instantiate_target, just declare it.
11722         * target-select.cc (Target_selector::Target_selector): Initialize
11723         new fields.
11724         (Target_selector::instantiate_target): Define.
11725         * descriptors.h: Include "gold-threads.h".
11726         (class Descriptors): Add initialize_lock_ field.
11727         * descriptors.cc (Descriptors::Descriptors): Initialize new
11728         field.
11729         (Descriptors::open): Use initialize_lock_ field
11730         * errors.h (class Errors): Add initialize_lock_ field.
11731         * errors.cc (Errors::Errors): Initialize new field.
11732         (Errors::initialize_lock): Use initialize_lock_ field.
11733         * powerpc.cc (class Target_selector_powerpc): Remove
11734         instantiated_target_ field.  In do_recognize call
11735         instantiate_target rather than do_instantiate_target.  In
11736         do_instantiate_target just allocate a new target.
11737         * sparc.cc (class Target_selector_sparc): Likewise.
11738
11739         * freebsd.h: New file.
11740         * i386.cc: Include "freebsd.h".
11741         (Target_i386): Derive from Target_freebsd rather than
11742         Sized_target.
11743         (Target_selector_i386): Derive from Target_selector_freebsd rather
11744         than Target_selector.
11745         * x86_64.cc: Include "freebsd.h".
11746         (Target_x86_64): Derive from Target_freebsd rather than
11747         Sized_target.
11748         (Target_selector_x86_64): Derive from Target_selector_freebsd
11749         rather than Target_selector.
11750         * target.h (class Target): Add adjust_elf_header and
11751         do_adjust_elf_header.
11752         * output.cc (Output_file_header:: do_sized_write): Call target
11753         adjust_elf_header routine.
11754         * configure.tgt: Set targ_osabi.
11755         * configure.ac: Define GOLD_DEFAULT_OSABI.
11756         * parameters.cc (Parameters::default_target): Pass
11757         GOLD_DEFAULT_OSABI to select_target.
11758         * target-select.h (class Target_selector): Make instantiate_target
11759         protected rather than private.
11760         * Makefile.am (HFILES): Add freebsd.h.
11761         * configure, Makefile.in, config.in: Rebuild.
11762
11763         * merge.cc (do_add_input_section): Correct pend value.  Change
11764         message about last entry not being null terminated from error to
11765         warning.
11766
11767 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
11768
11769         * incremental.cc: New file.
11770         * Makefile.am (CCFILES): Add incremental.cc.
11771         * Makefile.in: Rebuild.
11772
11773 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11774
11775         * layout.cc (Layout::output_section_name): Preserve names
11776         of '.note.' sections.
11777
11778 2009-03-19  Ian Lance Taylor  <iant@google.com>
11779
11780         * descriptors.cc (Descriptors::open): Check that the options are
11781         valid before using them.
11782
11783 2009-03-18  Ian Lance Taylor  <iant@google.com>
11784
11785         * script-sections.h: Include <list>.
11786         (class Script_sections): Change Sections_elements from std::vector
11787         to std::list.  Typedef public Elements_iterator.  Add
11788         orphan_section_placement_, data_segment_align_start_, and
11789         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11790         field.
11791         * script-sections.cc (class Orphan_section_placement): New class.
11792         (class Sections_element): Add virtual functions is_relro and
11793         orphan_section_init.  Remove virtual function place_orphan_here.
11794         (class Output_section_definition): Add is_relro and
11795         orphan_section_init.  Remove place_orphan_here.
11796         (class Orphan_output_section): Likewise.
11797         (Script_sections::Script_sections): Update for field changes.
11798         (Script_sections::data_segment_align): Set saw_data_segment_align_
11799         and data_segment_align_start_, not data_segment_align_index.
11800         (Script_sections::data_segment_relro_end): Check
11801         saw_data_segment_align_.  Use data_segment_align_start_ rather
11802         than data_segment_align_index_.
11803         (Script_sections::place_orphan): Rewrite to use
11804         Orphan_section_placement.
11805
11806 2009-03-17  Ian Lance Taylor  <iant@google.com>
11807
11808         * archive.cc (Archive::add_symbols): Check for a version attached
11809         to the symbol name in the archive map.
11810         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11811         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11812         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11813         (ver_test_11.a): New target.
11814         * testsuite/Makefile.in: Rebuild.
11815
11816         * configure.ac: Check for chsize and posix_fallocate.  Replace
11817         ftruncate.
11818         * ftruncate.c: New file, from gnulib.
11819         * output.cc (posix_fallocate): Define dummy version if not
11820         HAVE_POSIX_FALLOCATE.
11821         (Output_file::map): Call posix_fallocate rather than lseek and
11822         write.
11823         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11824         * configure, Makefile.in, config.in: Rebuild.
11825
11826 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11827
11828         * layout.h (Layout::create_note): Add section_name parameter.
11829         * layout.cc (Layout::create_note): Likewise.
11830         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11831
11832 2009-03-17  Ian Lance Taylor  <iant@google.com>
11833
11834         * descriptors.cc: Include "options.h".
11835         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11836         (Descriptors::open): Always use O_CLOEXEC when opening a new
11837         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11838         then set FD_CLOEXEC.
11839
11840         * sparc.cc (class Target_sparc): Add has_got_section.
11841         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11842         make sure we have a GOT section.
11843
11844         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11845         (Target_sparc::Scan::local): Likewise.
11846         (Target_sparc::Scan::global): Likewise.
11847         (Target_sparc::Relocate::relocate): Likewise.
11848         (Target_sparc::Relocate::relocate_tls): Likewise.
11849
11850         * symtab.cc (Symbol_table::define_default_version): New function,
11851         broken out of add_from_object.
11852         (Symbol_table::add_from_object): Call define_default_version.
11853         (Symbol_table::define_special_symbol): Add resolve_oldsym
11854         parameter.  Change all callers.  If the version for a symbol comes
11855         from a version script, resolve it with the symbol with the same
11856         name with no version.  Also add the symbol without a version if
11857         appropriate.
11858         (do_define_in_output_data): If resolving with oldsym, don't delete
11859         sym.
11860         (do_define_in_output_segment): Likewise.
11861         (do_define_as_constant): Likewise.
11862         * symtab.h (class Symbol_table): Update declarations.
11863
11864 2009-03-13  Ian Lance Taylor  <iant@google.com>
11865
11866         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11867         (Read_symbols::requeue): New function.
11868         (Read_symbols::do_read_symbols): If make_elf_object fails because
11869         the target type is not configured, and the file was searched for,
11870         issue a warning and retry with the next directory.
11871         (Add_symbols::run): If the file has an incompatible format, and
11872         it was searched for, requeue the Read_symbols task.  On error,
11873         release the object.
11874         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
11875         dirindex parameter to constructor.  Change all callers.  Declare
11876         incompatible_warning and requeue.
11877         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11878         input_argument_ and input_group_ fields.  Add them to
11879         constructor.  Change all callers.
11880         (class Read_script): Add dirindex_ field.  Add it to constructor.
11881         Change all callers.
11882         * archive.cc (Archive::setup): Remove input_objects parameter.
11883         Change all callers.
11884         (Archive::get_file_and_offset): Likewise.
11885         (Archive::read_all_symbols): Likewise.
11886         (Archive::read_symbols): Likewise.
11887         (Archive::get_elf_object_for_member): Remove input_objects
11888         parameter.  Add punconfigured parameter.  Change all callers.
11889         (Archive::add_symbols): Change return type to bool.  Check return
11890         value of include_member.
11891         (Archive::include_all_members): Likewise.
11892         (Archive::include_member): Change return type to bool.  Return
11893         false if first included object has incompatible target.  Set
11894         included_member_ field.
11895         (Add_archive_symbols::run): If add_symbols returns false, requeue
11896         Read_symbols task.
11897         * archive.h (class Archive): Add included_member_ field.
11898         Initialize it in constructor.  Add input_file and searched_for
11899         methods.  Update declarations.
11900         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11901         input_argument_ fields.  Add them to constructor.  Change all
11902         callers.
11903         * script.cc: Include "target-select.h".
11904         (class Parser_closure): Add skip_on_incompatible_target_ and
11905         found_incompatible_target_ fields.  Add
11906         skip_on_incompatible_target parameter to constructor.  Change all
11907         callers.  Add methods skip_on_incompatible_target,
11908         clear_skip_on_incompatible_target, found_incompatible_target, and
11909         set_found_incompatible_target.
11910         (read_input_script): Add dirindex parameter.  Change all callers.
11911         If parser finds an incompatible target, requeue Read_symbols
11912         task.
11913         (script_set_symbol): Clear skip_on_incompatible_target in
11914         closure.
11915         (script_add_assertion, script_parse_option): Likewise.
11916         (script_start_sections, script_add_phdr): Likewise.
11917         (script_check_output_format): New function.
11918         * script.h (read_input_script): Update declaration.
11919         * script-c.h (script_check_output_format): Declare.
11920         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
11921         (ignore_cmd): Remove OUTPUT_FORMAT.
11922         * fileread.cc (Input_file::Input_file): Add explicit this.
11923         (Input_file::will_search_for): New function.
11924         (Input_file::open): Add pindex parameter.  Change all callers.
11925         * fileread.h (class Input_file): Add input_file_argument method.
11926         Declare will_search_for.  Update declarations.
11927         * object.cc (make_elf_object): Add punconfigured parameter.
11928         Change all callers.
11929         * object.h (class Object): Make input_file public.  Add
11930         searched_for method.
11931         (make_elf_object): Update declaration.
11932         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
11933         restart search.
11934         * dirsearch.h (class Dirsearch): Update declaration.
11935         * options.h (class General_options): Add --warn-search-mismatch.
11936         * parameters.cc (Parameters::is_compatible_target): New function.
11937         * parameters.h (class Parameters): Declare is_compatible_target.
11938         * workqueue.cc (Workqueue::add_blocker): New function.
11939         * workqueue.h (class Workqueue): Declare add_blocker.
11940
11941         * fileread.cc (Input_file::open): Remove options parameter.
11942         Change all callers.
11943         (Input_file::open_binary): Likewise.
11944         * script.cc (read_input_script): Likewise.
11945         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
11946         options parameter from constructor.  Change all callers.
11947         (class Read_script): Likewise.
11948         * fileread.h (class Input_file): Update declarations.
11949         * script.h (read_input_script): Update declaration.
11950
11951 2009-03-10  Nick Clifton  <nickc@redhat.com>
11952
11953         * po/es.po: New Spanish translation.
11954
11955 2009-03-06  Cary Coutant  <ccoutant@google.com>
11956
11957         * options.cc (parse_short_option): Keep dash_z from registering itself.
11958
11959 2009-03-03  Ian Lance Taylor  <iant@google.com>
11960
11961         PR 9918
11962         * target-reloc.h (relocate_section): Pass output_section to
11963         relocate.
11964         * i386.cc (Target_i386::should_apply_static_reloc): Add
11965         output_section parameter.  Change all callers.
11966         (Target_i386::Relocate::relocate): Add output_section parameter.
11967         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11968         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
11969         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
11970         * testsuite/two_file_shared.sh: New script.
11971         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11972         (check_DATA): Add two_file_shared.dbg.
11973         (two_file_shared.dbg): New target.
11974         * testsuite/Makefile.in: Rebuild.
11975
11976 2009-03-01  Ian Lance Taylor  <iant@google.com>
11977
11978         * configure.ac: Check for byteswap.h.
11979         * configure: Rebuild.
11980         * config.in: Rebuild.
11981
11982 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11983
11984         * layout.cc (Layout::find_or_add_kept_section): New function.
11985         (Layout::add_comdat): Removed.
11986         * layout.h (struct Kept_section): Move out of class Layout.
11987         Remove trailing underscores from field names.  Add group_sections
11988         field.  Rename group_ field to is_group.  Change all uses.
11989         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11990         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11991         comdat_groups_ field.
11992         (Sized_relobj::include_section_group): Use
11993         find_or_add_kept_section and Kept_section::group_sections.
11994         (Sized_relobj::include_linkonce_section): Likewise.
11995         * object.cc (class Sized_relobj): Don't define Comdat_group or
11996         Comdat_group_table.  Remove find_comdat_group and
11997         add_comdat_group.  Remove comdat_groups_ field.
11998         * plugin.cc (include_comdat_group): Use
11999         Layout::find_or_add_kept_section.
12000
12001 2009-02-28  Ian Lance Taylor  <iant@google.com>
12002
12003         * README: --gc-sections and map files are now supported.  Document
12004         some build requirements.
12005
12006         PR 6992
12007         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
12008         relocatable link set the value of the section symbol to zero.
12009         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
12010         relocatable link don't include the section address in the local
12011         symbol value.
12012
12013 2009-02-27  Ian Lance Taylor  <iant@google.com>
12014
12015         PR 6811
12016         * options.h (class Search_directory): Add is_system_directory.
12017         (class General_options): Declare is_in_system_directory.
12018         * options.cc (get_relative_sysroot): Make static.
12019         (get_default_sysroot): Make static.
12020         (General_optoins::is_in_system_directory): New function.
12021         * fileread.cc (Input_file::is_in_system_directory): New function.
12022         * fileread.h (class Input_file): Declare is_in_system_directory.
12023         * object.h (class Object): Add is_in_system_directory.
12024         (class Input_objects): Remove system_library_directory_ field.
12025         * object.cc (Input_objects::add_object): Don't set
12026         system_library_directory_.
12027         (input_objects::found_in_system_library_directory): Remove.
12028         * symtab.cc (Symbol_table::write_globals): Remove input_objects
12029         parameter.  Change all callers.
12030         (Symbol_table::sized_write_globals): Likewise.
12031         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
12032         Call Object::is_in_system_directory.
12033         * symtab.h (class Symbol_table): Update declarations.
12034
12035         PR 5990
12036         * descriptors.h (Open_descriptor): Add is_on_stack field.
12037         * descriptors.cc (Descriptors::open): If the descriptor is on the
12038         top of the stack, remove it.  Initialize is_on_stack field.
12039         (Descriptors::release): Only add pod to stack if it is not on the
12040         stack already.
12041         (Descriptors::close_some_descriptor): Clear stack_next and
12042         is_on_stack fields.
12043
12044         PR 7091
12045         * output.cc (Output_section::find_starting_output_address): Rename
12046         from starting_output_address; add PADDR parameter; change return
12047         type.
12048         * output.h (class Output_section): Declare
12049         find_starting_output_address instead of starting_output_address.
12050         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
12051         section symbol for which we can't find a merge section.
12052
12053         PR 9836
12054         * symtab.cc (Symbol_table::add_from_object): If the visibility is
12055         hidden or internal, force the symbol to be local.
12056         * resolve.cc (Symbol::override_visibility): Define.
12057         (Symbol::override_base): Use override_visibility.
12058         (Symbol_table::resolve): Likewise.
12059         (Symbol::override_base_with_special): Likewise.
12060         (Symbol_table::override_with_special): If the visibility is hidden
12061         or internal, force the symbol to be local.
12062         * symtab.h (class Symbol): Add set_visibility and
12063         override_visibility.
12064         * testsuite/ver_test_1.sh: New file.
12065         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
12066         (check_DATA): Add ver_test_1.syms.
12067         (ver_test_1.syms): New target.
12068         * testsuite/Makefile.in: Rebuild.
12069
12070 2009-02-25  Cary Coutant  <ccoutant@google.com>
12071
12072         * layout.cc (Layout::choose_output_section): Don't rename sections
12073         when using a linker script that has a SECTIONS clause.
12074         * Makefile.in: Regenerate.
12075
12076         * testsuite/Makefile.am (script_test_5.sh): New test case.
12077         * testsuite/Makefile.in: Regenerate.
12078         * testsuite/script_test_5.cc: New file.
12079         * testsuite/script_test_5.sh: New file.
12080         * testsuite/script_test_5.t: New file.
12081
12082 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
12083
12084         * archive.cc (Archive::include_member): Update calls to add_symbols.
12085         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
12086         the Layout argument.
12087         * dynobj.h (do_add_symbols): Add the Layout argument.
12088         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
12089         Layout argument.
12090         * object.h (Object::add_symbols): Add the Layout argument.
12091         (Object::do_add_symbols): Add the Layout argument.
12092         (Sized_relobj::do_add_symbols): Add the Layout argument.
12093         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
12094         Unify the two versions.
12095         (Add_plugin_symbols): Remove.
12096         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
12097         (Sized_pluginobj::do_add_symbols): Unify the two versions.
12098         (Add_plugin_symbols): Remove.
12099         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
12100         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
12101         (Add_symbols::run): Make it work with Pulginobj.
12102
12103 2009-02-06  Ian Lance Taylor  <iant@google.com>
12104
12105         * object.cc (Sized_relobj::do_layout): Make info message start
12106         with lower case letter.
12107
12108 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
12109
12110         * binary.cc: Fix file comment.
12111
12112         * options.h (enum Incremental_disposition): Define.
12113         (class General_options): Add new options: --incremental,
12114         --incremental_changed, --incremental_unchanged,
12115         --incremental_unknown.  Add incremental_disposition_ and
12116         implicit_incremental_ fields.
12117         (General_options::incremental_disposition): New function.
12118         (class Position_dependent_options): Add incremental_disposition
12119         option.
12120         (Position_dependent_options::copy_from_options): Set incremental
12121         dispositions.
12122         * options.cc (General_options::parse_incremental_changed): New
12123         function.
12124         (General_options::parse_incremental_unchanged): New function.
12125         (General_options::parse_incremental_unknown): New function.
12126         (General_options::General_options): Initialize new fields
12127         incremental_disposition_ and implicit_incremental_.
12128         (General_options::finalize): Check for uasge of --incremental-*
12129         without --incremental.
12130
12131 2009-02-06  Chris Demetriou  <cgd@google.com>
12132
12133         * gold.h (gold_undefined_symbol): Change to take only a Symbol
12134         pointer and to report location as the file name associated with
12135         the symbol.
12136         (gold_undefined_symbol_at_location): New function to replace the
12137         old gold_undefined_symbol functionality.
12138         * target-reloc.h (relocate_section): Update to use
12139         gold_undefined_symbol_at_location.
12140         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12141         Call gold_undefined_symbol function rather than gold_error.
12142         * errors.h (Errors::undefined_symbol): Take location as a
12143         string, rather than calculating it from a relocation.
12144         * errors.cc (Errors::fatal): Print "fatal error:" before the
12145         formatted message.
12146         (Errors::error, Errors::error_at_location): Print "error: "
12147         before the formatted message.
12148         (Errors::undefined_symbol): Take location as a string, rather
12149         than calculating it from a relocation.
12150         (gold_undefined_symbol_at_location): New function akin to
12151         old gold_undefined_symbol, calculates location from relocation.
12152         (gold_undefined_symbol): Change to take only a Symbol pointer
12153         and to report location as the file name associated with the symbol.
12154         * testsuite/debug_msg.sh: Update for changed error messages.
12155         * testsuite/undef_symbol.sh: Likewise.
12156
12157 2009-02-04  Duncan Sands  <baldrick@free.fr>
12158
12159         PR 9812
12160         * reduced_debug_output.h
12161         (Output_reduced_debug_abbrev_section::failed): Use format for
12162         gold_warning.
12163         (Output_reduced_debug_info_section::faild): Likewise.
12164
12165 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
12166
12167         * script.cc (Lazy_demangler): New class.
12168         (Version_script_info::get_symbol_version_helper): Demangle a
12169         symbol only once.
12170
12171 2009-01-29  Cary Coutant  <ccoutant@google.com>
12172
12173         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
12174         to __tls_get_addr.
12175         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
12176
12177 2009-01-28  Ian Lance Taylor  <iant@google.com>
12178
12179         * version.cc (version_string): Bump to 1.9.
12180
12181         * gold.h: Include <cstring> and <stdint.h>.
12182         * version.cc: Include <cstdio>.
12183         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
12184         warning.
12185         * reduced_debug_output.cc (insert_into_vector): Rename from
12186         Insert_into_vector; change all callers.  Use Swap_unaligned to
12187         avoid aliasing issue; remove union since it is unnecessary.
12188
12189 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
12190
12191         * Makefile.am (CCFILES): Add gc.cc.
12192         (HFILES): Add gc.h.
12193         * Makefile.in: Regenerate.
12194         * gold.cc (Gc_runner): New class.
12195         (queue_initial_tasks): Call garbage collection related tasks
12196         when corresponding options are invoked.
12197         (queue_middle_gc_tasks): New function.
12198         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
12199         processed early before laying out sections during garbage collection.
12200         * gold.h (queue_middle_gc_tasks): New function.
12201         (is_prefix_of): Move from "layout.cc".
12202         * i386.cc (Target_i386::gc_process_relocs): New function.
12203         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
12204         * main.cc (main): Create object of class "Garbage_collection".
12205         * object.cc (Relobj::copy_symbols_data): New function.
12206         (Relobj::is_section_name_included): New function.
12207         (Sized_relobj::do_layout): Allow this function to be called twice
12208         during garbage collection and defer layout of section during the
12209         first call.
12210         * object.h (Relobj::get_symbols_data): New function.
12211         (Relobj::is_section_name_included): New function.
12212         (Relobj::copy_symbols_data): New function.
12213         (Relobj::set_symbols_data): New function.
12214         (Relobj::get_relocs_data): New function.
12215         (Relobj::set_relocs_data): New function.
12216         (Relobj::is_output_section_offset_invalid): New pure virtual function.
12217         (Relobj::gc_process_relocs): New function.
12218         (Relobj::do_gc_process_relocs): New pure virtual function.
12219         (Relobj::sd_): New data member.
12220         (Sized_relobj::is_output_section_offset_invalid): New function.
12221         (Sized_relobj::do_gc_process_relocs): New function.
12222         * options.h (General_options::gc_sections): Modify to not be a no-op.
12223         (General_options::print_gc_sections): New option.
12224         * plugin.cc (Plugin_finish::run): Remove function call to
12225         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
12226         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
12227         * reloc.cc (Read_relocs::run): Add task to process relocs and
12228         determine unreferenced sections when doing garbage collection.
12229         (Gc_process_relocs): New class.
12230         (Sized_relobj::do_gc_process_relocs): New function.
12231         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
12232         sections that are garbage collected.
12233         * reloc.h (Gc_process_relocs): New class.
12234         * sparc.cc (Target_sparc::gc_process_relocs): New function.
12235         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
12236         symbols whose corresponding sections are garbage collected.
12237         (Symbol_table::Symbol_table): Add new parameter for the garbage
12238         collection object.
12239         (Symbol_table::gc_mark_undef_symbols): New function.
12240         (Symbol_table::gc_mark_symbol_for_shlib): New function.
12241         (Symbol_table::gc_mark_dyn_syms): New function.
12242         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
12243         as garbage.
12244         (Symbol_table::add_from_object): Likewise.
12245         (Symbol_table::add_from_relobj): When building shared objects, do not
12246         treat externally visible symbols as garbage.
12247         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
12248         table information for static and relocatable links.
12249         * symtab.h (Symbol_table::set_gc): New function.
12250         (Symbol_table::gc): New function.
12251         (Symbol_table::gc_mark_undef_symbols): New function.
12252         (Symbol_table::gc_mark_symbol_for_shlib): New function.
12253         (Symbol_table::gc_mark_dyn_syms): New function.
12254         (Symbol_table::gc_): New data member.
12255         * target.h (Sized_target::gc_process_relocs): New pure virtual
12256         function.
12257         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
12258         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
12259
12260 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
12261
12262         * options.h (General_options::gc_sections): Define as a no-op for now.
12263         (General_options::no_keep_memory): Ditto.
12264         (General_options::Bshareable): Define.
12265         * options.cc (General_options::finalize): Honor -Bshareable.
12266
12267 2009-01-20  Andreas Schwab  <schwab@suse.de>
12268
12269         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
12270         read the value in the contents, since we don't use it.  Use the
12271         template endianness when writing.
12272         (Relocate::relocate): Use it for R_PPC_REL16_HA.
12273
12274 2009-01-19  Andreas Schwab  <schwab@suse.de>
12275
12276         * configure.tgt (powerpc64-*): Fix targ_obj.
12277
12278 2009-01-15  Ian Lance Taylor  <iant@google.com>
12279
12280         * object.cc (Sized_relobj::write_local_symbols): Don't write out
12281         local symbols when stripping all symbols.
12282
12283 2009-01-14  Cary Coutant  <ccoutant@google.com>
12284
12285         * output.cc (Output_reloc): Add explicit instantiations.
12286
12287 2009-01-14  Cary Coutant  <ccoutant@google.com>
12288
12289         * archive.cc (Archive::get_elf_object_for_member): Remove call
12290         to File_read::claim_for_plugin.
12291         * descriptors.cc (Descriptors::open): Remove reference to
12292         is_claimed.
12293         (Descriptors::claim_for_plugin): Remove.
12294         * descriptors.h (Descriptors::claim_for_plugin): Remove.
12295         (Descriptors::is_claimed): Remove.
12296         (claim_descriptor_for_plugin): Remove.
12297         * fileread.cc (File_read::claim_for_plugin): Remove.
12298         * fileread.h (File_read::claim_for_plugin): Remove.
12299         (File_read::descriptor): Reopen descriptor if necessary.
12300         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
12301         (Plugin_manager::all_symbols_read): Add task parameter. Change
12302         all callers.
12303         (Plugin_manager::get_input_file): New function.
12304         (Plugin_manager::release_input_file): New function.
12305         (Pluginobj::Pluginobj): Add filesize parameter and initialize
12306         corresponding data member.
12307         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
12308         and pass to base constructor. Change all callers.
12309         (get_input_file, release_input_file): New functions.
12310         (make_sized_plugin_object): Add filesize parameter. Change all callers.
12311         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
12312         (Plugin_manager::all_symbols_read): Add task parameter.
12313         (Plugin_manager::get_input_file): New function.
12314         (Plugin_manager::release_input_file): New function.
12315         (Plugin_manager::task_): New data member.
12316         (Pluginobj::Pluginobj): Add filesize parameter.
12317         (Pluginobj::filename): New function.
12318         (Pluginobj::descriptor): New function.
12319         (Pluginobj::filesize): New function.
12320         (Pluginobj::filesize_): New data member.
12321         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
12322         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
12323         File_read::claim_for_plugin; use Object::unlock to unlock the file.
12324
12325         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
12326         with archive libraries.
12327         * testsuite/Makefile.in: Regenerate.
12328         * testsuite/plugin_test.c (struct sym_info): New type.
12329         (get_input_file, release_input_file): New static variables.
12330         (onload): Capture new transfer vector entries.
12331         (claim_file_hook): Stop reading at end of file according to filesize.
12332         Factor out parsing of readelf output into separate function.
12333         (all_symbols_read_hook): Exercise get_input_file and release_input_file
12334         APIs and get the source file name from the symbol table.  Convert
12335         source file name to corresponding object file name.  Print info
12336         message when adding new input files.
12337         (parse_readelf_line): New function.
12338         * testsuite/plugin_test_1.sh: Add checks for new info messages.
12339         * testsuite/plugin_test_2.sh: Likewise.
12340         * testsuite/plugin_test_3.sh: Likewise.
12341         * testsuite/plugin_test_4.sh: New test case.
12342
12343 2009-01-07  Ian Lance Taylor  <iant@google.com>
12344
12345         * version.cc (version_string): Bump to 1.8.
12346
12347 2008-12-23  Cary Coutant  <ccoutant@google.com>
12348
12349         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
12350         * plugin.cc (Plugin_manager::finish): Rename as
12351         layout_deferred_objects.  Move cleanup to separate function.
12352         (Plugin_manager::cleanup): New function.
12353         (Plugin_finish::run): Call layout_deferred_objects and cleanup
12354         separately.
12355         * plugin.h (Plugin_manager::finish): Rename as
12356         layout_deferred_objects.
12357         (Plugin_manager::cleanup): New function.
12358         (Plugin_manager::cleanup_done): New field.
12359
12360 2008-12-23  Cary Coutant  <ccoutant@google.com>
12361
12362         * plugin.cc (is_visible_from_outside): New function.
12363         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
12364         so we don't return "IR only" status for exported symbols or -r links.
12365
12366         * testsuite/Makefile.am (plugin_test_3): New test case.
12367         * testsuite/Makefile.in: Regenerate.
12368         * testsuite/plugin_test_3.sh: New file.
12369
12370 2008-12-22  Cary Coutant  <ccoutant@google.com>
12371
12372         * object.cc (Sized_relobj::layout_section): New function.
12373         (Sized_relobj::do_layout): Defer layout of input sections until after
12374         plugin has provided replacement files.
12375         (Sized_relobj::do_layout_deferred_sections): New function.
12376         * object.h (Relobj::set_section_offset): Remove virtual keyword.
12377         (Relobj::layout_deferred_sections): New function.
12378         (Relobj::do_layout_deferred_sections): New function.
12379         (Sized_relobj::do_layout_deferred_sections): New function.
12380         (Sized_relobj::layout_section): New function.
12381         (Sized_relobj::Deferred_layout): New structure.
12382         (Sized_relobj::deferred_layout_): New field.
12383         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
12384         Change all callers.  Layout deferred sections.
12385         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
12386         references.
12387         (Plugin_hook::run): Move code from do_plugin_hook inline.
12388         (Plugin_hook::do_plugin_hook): Remove.
12389         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
12390         (Plugin_manager::finish): Renamed, was cleanup.
12391         (Plugin_manager::should_defer_layout): New function.
12392         (Plugin_manager::add_deferred_layout_object): New function.
12393         (Plugin_manager::Deferred_layout_list): New type.
12394         (Plugin_manager::deferred_layout_objects_): New field.
12395         (Plugin_hook::do_plugin_hook): Remove.
12396
12397 2008-12-17  Ian Lance Taylor  <iant@google.com>
12398
12399         * options.h (class General_options): Add --no case for
12400         --export-dynamic.
12401
12402 2008-12-16  Cary Coutant  <ccoutant@google.com>
12403
12404         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
12405         vector.
12406         (Plugin_manager::claim_file): Create plugin object even if
12407         plugin did not call the add_symbols callback.
12408         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
12409         asking for more symbols than were added.
12410         * testsuite/Makefile.am (plugin_test_1): Add test case with
12411         no global symbols.
12412         (empty.syms): New target.
12413         * testsuite/Makefile.in: Regenerate.
12414         * testsuite/plugin_test.c (claim_file_hook): Add new debug
12415         message. Don't call add_symbols if no globals.
12416         (all_symbols_read_hook): Don't provide replacement for empty
12417         claimed file.
12418
12419 2008-12-12  Ian Lance Taylor  <iant@google.com>
12420
12421         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
12422         r_type == 0 for a local symbol with r_sym == 0.
12423         (scan_relocatable_relocs): Pass r_sym to
12424         local_non_section_strategy.
12425         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
12426         r_sym parameter.
12427
12428         * configure.ac: Update test for TLS descriptors: they are
12429         supported as of glibc 2.9.
12430         * configure: Rebuild.
12431
12432 2008-12-11  Ian Lance Taylor  <iant@google.com>
12433
12434         PR 7091
12435         * target-reloc.h (Default_scan_relocatable_relocs): For each
12436         function, map r_type == 0 to RELOC_DISCARD.
12437
12438 2008-12-10  Cary Coutant  <ccoutant@google.com>
12439
12440         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
12441         object to override a kept COMDAT group from a plugin object.
12442
12443 2008-12-09  Ian Lance Taylor  <iant@google.com>
12444
12445         PR 7088
12446         * yyscript.y (file_cmd): Handle INPUT.
12447
12448         * testsuite/initpri1.c: Change all declarations to be full
12449         prototypes by adding void, to avoid compiler warnings.
12450
12451 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
12452
12453         * options.cc (General_options::parse_plugin_opt): New.
12454         (General_options::add_plugin): The argument now is just the filename.
12455         (General_options::add_plugin_option): New.
12456         * options.h (plugin_opt): New.
12457         (add_plugin): Change argument name.
12458         (add_plugin_option): New.
12459         * plugin.cc (Plugin::load): Don't parse the plugin option.
12460         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
12461         (Plugin::add_option): New.
12462         (Plugin::args_): Change type.
12463         (Plugin::filename_): New.
12464         (Plugin_manager::add_plugin_option): New.
12465         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
12466         * testsuite/Makefile.in: Regenerate.
12467
12468 2008-12-05  Cary Coutant  <ccoutant@google.com>
12469
12470         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
12471         Handle --strip-lto-sections option.
12472         * options.h (strip_lto_sections): New option.
12473
12474 2008-12-01  Cary Coutant  <ccoutant@google.com>
12475
12476         * plugin.cc (ld_plugin_message): Change format parameter to const.
12477         Fix mismatch between new[] and delete.
12478
12479 2008-11-14  Cary Coutant  <ccoutant@google.com>
12480
12481         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
12482         instead of -1U.
12483
12484 2008-11-05  Craig Silverstein  <csilvers@google.com>
12485
12486         * options.cc (General_options::parse_dynamic_list): New function.
12487         * options.h (General_options): New flags dynamic_list,
12488         dynamic_list_data, dynamic_list_cpp_new, and
12489         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
12490         (General_options::in_dynamic_list): New function.
12491         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
12492         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
12493         (Lex::can_continue_name): Likewise.
12494         (yylex): Likewise.
12495         (read_script_file): New parameter script_options.
12496         (read_dynamic_list): New function.
12497         (Script_options::define_dynamic_list): New function.
12498         (dynamic_list_keyword_parsecodes): New variable.
12499         (dynamic_list_keywords): New variable.
12500         * script.h (Script_options::define_dynamic_list): New function
12501         prototype.
12502         (read_dynamic_list): New function prototype.
12503         * symtab.cc (strprefix): New macro.
12504         (Symbol::should_add_dynsym_entry): Support dynamic_list,
12505         dynamic_list_data, dynamic_list_cpp_new, and
12506         dynamic_list_cpp_typeinfo.
12507         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
12508         (dynamic_list_expr): New rule.
12509         (dynamic_list_nodes): Likewise.
12510         (dynamic_list_node): Likewise.
12511         * testsuite/Makefile.am (dynamic_list): New test.
12512         * testsuite/Makefile.in: Regenerated.
12513         * testsuite/dynamic_list.t: New file.
12514         * testsuite/dynamic_list.sh: New file.
12515
12516 2008-11-05  Craig Silverstein  <csilvers@google.com>
12517
12518         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
12519         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
12520         (t11_last): Likewise.
12521         * testsuite/ver_test_6.c (main): Likewise.
12522
12523 2008-10-07  Cary Coutant  <ccoutant@google.com>
12524
12525         * options.c (General_options::finalize): Add check for -static and
12526         -shared.
12527         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
12528         is not empty.
12529
12530 2008-10-02  Cary Coutant  <ccoutant@google.com>
12531
12532         * plugin.cc (make_sized_plugin_object): Fix conditional
12533         compilation to work when not all targets are enabled.
12534
12535 2008-09-29  Cary Coutant  <ccoutant@google.com>
12536
12537         * archive.cc (Archive::get_file_and_offset): Use filename instead
12538         of name to get library path.
12539         (Archive::include_member): Unlock external member of a thin archive.
12540
12541         * testsuite/Makefile.am (TEST_AR): New variable.
12542         (thin_archive_test_1): New test.
12543         (thin_archive_test_2): New test.
12544         * testsuite/Makefile.in: Regenerate.
12545         * testsuite/thin_archive_main.cc: New file.
12546         * testsuite/thin_archive_test_1.cc: New file.
12547         * testsuite/thin_archive_test_2.cc: New file.
12548         * testsuite/thin_archive_test_3.cc: New file.
12549         * testsuite/thin_archive_test_4.cc: New file.
12550
12551 2008-09-29  Cary Coutant  <ccoutant@google.com>
12552
12553         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
12554         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
12555         instead of -1U.
12556         (Sized_relobj::do_finalize_local_symbols): Likewise.
12557         (Sized_relobj::map_to_kept_section): Likewise.
12558         * object.h (Sized_relobj::invalid_address): New constant.
12559         (Sized_relobj::do_output_section_offset): Check for invalid_address
12560         and return -1ULL.
12561         * output.cc (Output_reloc::local_section_offset): Use constant
12562         invalid_address instead of -1U.
12563         (Output_reloc::get_address): Likewise.
12564         (Output_section::output_address): Change -1U to -1ULL.
12565         * output.h (Output_reloc::invalid_address): New constant.
12566         * reloc.cc (Sized_relobj::write_sections): Use constant
12567         invalid_address instead of -1U.
12568         (Sized_relobj::relocate_sections): Likewise.
12569         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
12570         values for merge sections.
12571         * target-reloc.h (relocate_for_relocatable): Use constant
12572         invalid_address instead of -1U.
12573
12574 2008-09-19  Cary Coutant  <ccoutant@google.com>
12575
12576         Add plugin functionality for link-time optimization (LTO).
12577         * configure.ac (plugins): Add --enable-plugins option.
12578         * configure: Regenerate.
12579         * config.in: Regenerate.
12580         * Makefile.am (LIBDL): New variable.
12581         (CCFILES): Add plugin.cc.
12582         (HFILES): Add plugin.h.
12583         (ldadd_var): Add LIBDL.
12584         * Makefile.in: Regenerate.
12585
12586         * archive.cc: Include "plugin.h".
12587         (Archive::setup): Don't preread archive symbols when using a plugin.
12588         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
12589         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
12590         files.
12591         (Archive::include_member): Add symbols from plugin objects.
12592         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
12593         * descriptors.cc (Descriptors::open): Check for file descriptors
12594         abandoned by plugins.
12595         (Descriptors::claim_for_plugin): New function.
12596         * descriptors.h (Descriptors::claim_for_plugin): New function.
12597         (Open_descriptor::is_claimed): New field.
12598         (claim_descriptor_for_plugin): New function.
12599         * fileread.cc (File_read::claim_for_plugin): New function.
12600         * fileread.h (File_read::claim_for_plugin): New function.
12601         (File_read::descriptor): New function.
12602         * gold.cc: Include "plugin.h".
12603         (queue_initial_tasks): Add task to call plugin hooks for generating
12604         new object files.
12605         * main.cc: Include "plugin.h".
12606         (main): Load plugin libraries.
12607         * object.h (Pluginobj): Declare.
12608         (Object::pluginobj): New function.
12609         (Object::do_pluginobj): New function.
12610         (Object::set_target): New function.
12611         * options.cc: Include "plugin.h".
12612         (General_options::parse_plugin): New function.
12613         (General_options::General_options): Initialize plugins_ field.
12614         (General_options::add_plugin): New function.
12615         * options.h (Plugin_manager): Declare.
12616         (General_options): Add --plugin option.
12617         (General_options::has_plugins): New function.
12618         (General_options::plugins): New function.
12619         (General_options::add_plugin): New function.
12620         (General_options::plugins_): New field.
12621         * plugin.cc: New file.
12622         * plugin.h: New file.
12623         * readsyms.cc: Include "plugin.h".
12624         (Read_symbols::do_read_symbols): Check for archive before checking
12625         for ELF file.  Call plugin hooks to claim files.
12626         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
12627         from a real object file; force override when processing replacement
12628         files.
12629         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
12630         (Symbol::init_base_object): Likewise.
12631         (Symbol::init_base_output_data): Likewise.
12632         (Symbol::init_base_output_segment): Likewise.
12633         (Symbol::init_base_constant): Likewise.
12634         (Symbol::init_base_undefined): Likewise.
12635         (Symbol::output_section): Assert that object is not a plugin.
12636         (Symbol_table::add_from_pluginobj): New function.
12637         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
12638         undefined.
12639         (Symbol_table::sized_write_globals): Likewise.
12640         (Symbol_table::add_from_pluginobj): Instantiate template.
12641         * symtab.h (Sized_pluginobj): Declare.
12642         (Symbol::in_real_elf): New function.
12643         (Symbol::set_in_real_elf): New function.
12644         (Symbol::in_real_elf_): New field.
12645         (Symbol_table::add_from_pluginobj): New function.
12646
12647         * testsuite/Makefile.am (AM_CFLAGS): New variable.
12648         (LIBDL): New variable.
12649         (LDADD): Add LIBDL.
12650         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
12651         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
12652         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
12653         (MOSTLYCLEANFILES): Likewise.
12654         * testsuite/Makefile.in: Regenerate.
12655         * testsuite/plugin_test.c: New file.
12656         * testsuite/plugin_test_1.sh: New file.
12657         * testsuite/plugin_test_2.sh: New file.
12658
12659 2008-09-16  Ian Lance Taylor  <iant@google.com>
12660
12661         * target-reloc.h (relocate_section): Check whether a symbol is
12662         defined by the ABI before reporting an undefined symbol error.
12663         * target.h (Target::is_defined_by_abi): Make parameter const.
12664         (Target::do_is_defined_by_abi): Likewise.
12665         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
12666         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
12667         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
12668         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
12669         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
12670         * testsuite/Makefile.in: Rebuild.
12671
12672         * fileread.cc (make_view): Add casts to avoid warning.
12673
12674 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12675
12676         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
12677         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12678
12679 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12680
12681         * options.h (General_options::output_is_executable): New.
12682         (General_options::output_is_pie): New.
12683         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
12684         for shared libraries.
12685         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12686
12687 2008-09-11  Chris Demetriou  <cgd@google.com>
12688
12689         * options.h (origin): New -z option.
12690         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
12691         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
12692         in DT_FLAGS_1.
12693
12694 2008-09-05  Cary Coutant  <ccoutant@google.com>
12695
12696         * fileread.cc (File_read::make_view): Add check for attempt to map
12697         beyond end of file.
12698
12699 2008-09-05  Cary Coutant  <ccoutant@google.com>
12700
12701         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
12702         explicit instantiations.
12703
12704 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
12705
12706         PR gold/6858
12707         * options.cc (General_options::finalize): Allow undefined symbols
12708         in shlibs if linking -shared.
12709
12710         PR gold/6859
12711         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
12712         symbols as not needing a dynsym entry.
12713
12714 2008-08-20  Craig Silverstein  <csilvers@google.com>
12715
12716         * fileread.cc (File_read::open): Do not lock the file unless it
12717         was successfully opened.
12718
12719 2008-08-14  Cary Coutant  <ccoutant@google.com>
12720
12721         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
12722         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
12723         * testsuite/tls_test.cc (struct int128): 128-bit struct
12724         for testing TLS relocs with non-zero addend.
12725         (v12): New TLS variable.
12726         (t12): New test.
12727         (t_last): Add check for v12.
12728         * testsuite/tls_test.h (t12): New function.
12729         * testsuite/tls_test_main.cc (thread_routine): Call new test.
12730
12731 2008-08-13  Ian Lance Taylor  <iant@google.com>
12732
12733         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
12734         set tls_segment_ or relro_segment_.
12735         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
12736         when appropriate.
12737         * output.h (Output_section::clear_is_relro): New function.
12738         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
12739         sections specially even when output_data_ is empty.
12740         (Output_segment::maximum_alignment): When first section is relro,
12741         only force alignment for PT_LOAD segments.
12742         * script.cc (script_data_segment_align): New function.
12743         (script_data_segment_relro_end): New function.
12744         * script-c.h (script_data_segment_align): Declare.
12745         (script_data_segment_relro_end): Declare.
12746         * script-sections.h (class Script_sections): Declare
12747         data_segment_align and data_segment_relro_end.  Add fields
12748         segment_align_index_ and saw_relro_end_.
12749         * script-sections.cc (class Sections_element): Add set_is_relro
12750         virtual function.  Add new bool* parameter to place_orphan_here.
12751         Add get_output_section virtual function.
12752         (class Output_section_definition): Add set_is_relro.  Add new
12753         bool* parameter to place_orphan_here.  Add get_output_section.
12754         Add is_relro_ field.
12755         (Output_section_definition::Output_section_definition): Initialize
12756         evaluated_address_, evaluated_load_address, evaluated_addralign_,
12757         and is_relro_ fields.
12758         (Output_section_definition::place_orphan_here): Add is_relro
12759         parameter.
12760         (Output_section_definition::set_section_addresses): Set relro for
12761         output section.
12762         (Output_section_definition::alternate_constraint): Likewise.
12763         (class Orphan_output_section): Add new bool* parameter to
12764         place_orphan_here.  Add get_output_section.
12765         (Orphan_output_section::place_orphan_here): Add is_relro
12766         parameter.
12767         (Script_sections::Script_sections): Initialize
12768         data_segment_align_index_ and saw_relro_end_.
12769         (Script_sections::data_segment_align): New function.
12770         (Script_sections::data_segment_relro_end): New function.
12771         (Script_sections::place_orphan): Set or clear is_relro.
12772         (Script_sections::set_section_addresses): Force alignment of first
12773         TLS section.
12774         * yyscript.y (exp): Call script_data_segment_align and
12775         script_data_segment_relro_end.
12776         * testsuite/relro_script_test.t: New file.
12777         * testsuite/relro_test.cc (using_script): Declare.
12778         (t1, t2): Test using_script.
12779         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12780         (relro_script_test_SOURCES): Define.
12781         (relro_script_test_DEPENDENCIES): Define.
12782         (relro_script_test_LDFLAGS): Define.
12783         (relro_script_test_LDADD): Define.
12784         (relro_script_test.so): New target.
12785         * testsuite/Makefile.in: Rebuild.
12786
12787 2008-08-06  Cary Coutant <ccoutant@google.com>
12788
12789         * archive.cc (Archive::total_archives, Archive::total_members)
12790         (Archive::total_members_loaded): New variables.
12791         (Archive::setup): Add parameter.  Add option to preread
12792         archive symbols.
12793         (Archive::read_armap): Add counter.
12794         (Archive::get_file_and_offset): New function.
12795         (Archive::get_elf_object_for_member): New function.
12796         (Archive::read_all_symbols): New function.
12797         (Archive::read_symbols): New function.
12798         (Archive::add_symbols): Add counters.
12799         (Archive::include_all_members): Use armap to find members if it's
12800         already built.
12801         (Archive::include_member): Skip reading symbols if already read.
12802         Factored code into Archive::get_file_and_offset and
12803         Archive::get_elf_object_for_member.  Changed call to
12804         Mapfile::report_include_archive_member.
12805         (Archive::print_stats): New function.
12806         * archive.h: Declare Object and Read_symbols_data classes.
12807         (Archive::Archive): Add initializers for new members.
12808         (Archive::setup): Add parameter.
12809         (Archive::print_stats): New function.
12810         (Archive::total_archives, Archive::total_members)
12811         (Archive::total_members_loaded): New variables.
12812         (Archive::get_file_and_offset): New function.
12813         (Archive::get_elf_object_for_member): New function.
12814         (Archive::read_all_symbols): New function.
12815         (Archive::read_symbols): New function.
12816         (Archive::Archive_member): New class.
12817         (Archive::members_): New member.
12818         (Archive::num_members_): New member.
12819         * main.cc: Include archive.h.
12820         (main): Call Archive::print_stats.
12821         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12822         archive parameter; member_name is now the fully-decorated name.
12823         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12824         * options.h: (General_options): Add --preread-archive-symbols option.
12825         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12826         Archive::setup.
12827
12828 2008-08-04  Ian Lance Taylor  <iant@google.com>
12829
12830         * symtab.h (Symbol::use_plt_offset): New function.
12831         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12832         * powerpc.cc (Relocate::relocate): Likewise.
12833         * sparc.cc (Relocate::relocate): Likewise.
12834         * x86_64.cc (Relocate::relocate): Likewise.
12835         * testsuite/weak_plt.sh: New test.
12836         * testsuite/weak_plt_main.cc: New test.
12837         * testsuite/weak_plt_shared.cc: New test.
12838         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12839         (check_PROGRAMS): Add weak_plt.
12840         (check_DATA): Add weak_plt_shared.so.
12841         (weak_plt_main_pic.o, weak_plt): New targets.
12842         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12843         * testsuite/Makefile.in: Rebuild.
12844
12845         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12846         gcctestdir/ld.
12847         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12848         * testsuite/Makefile.in: Rebuild.
12849
12850 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12851
12852         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12853         * Makefile.in: Regenerate.
12854         * po/POTFILES.in: Regenerate.
12855
12856 2008-07-29  Ian Lance Taylor  <iant@google.com>
12857
12858         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12859         symbols before other symbols.
12860         * testsuite/script_test_2.cc (test_addr): Declare.
12861         (test_addr_alias): Declare.
12862         (main): Check that test_addr and test_addr_alias have the right
12863         values.
12864         * testsuite/script_test_2.t: Define test_addr_alias and
12865         test_addr.
12866
12867 2008-07-24  Ian Lance Taylor  <iant@google.com>
12868
12869         PR 5990
12870         * descriptors.cc: New file.
12871         * descriptors.h: New file.
12872         * gold-threads.h (class Hold_optional_lock): New class.
12873         * fileread.cc: Include "descriptors.h".
12874         (File_read::~File_read): Release descriptor rather than closing
12875         it.
12876         (File_read::open) [file]: Call open_descriptor rather than open.
12877         Set is_descriptor_opened_.
12878         (File_read::open) [memory]: Assert that descriptor is not open.
12879         (File_read::reopen_descriptor): New function.
12880         (File_read::release): Release descriptor.
12881         (File_read::do_read): Make non-const.  Reopen descriptor.
12882         (File_read::read): Make non-const.
12883         (File_read::make_view): Reopen descriptor.
12884         (File_read::do_readv): Likewise.
12885         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12886         Update declarations.
12887         * layout.cc: Include "descriptors.h".
12888         (Layout::create_build_id): Use open_descriptor rather than open.
12889         * output.cc: Include "descriptors.h".
12890         (Output_file::open): Use open_descriptor rather than open.
12891         * archive.cc (Archive::const_iterator): Change Archive to be
12892         non-const.
12893         (Archive::begin, Archive::end): Make non-const.
12894         (Archive::count_members): Likewise.
12895         * archive.h (class Archive): Update declarations.
12896         * object.h (Object::read): Make non-const.
12897         * Makefile.am (CCFILES): Add descriptors.cc.
12898         (HFILES): Add descriptors.h.
12899         * Makefile.in: Rebuild.
12900
12901         PR 6716
12902         * gold.h: Always include <clocale>.  Add Solaris workarounds
12903         following code in binutils/sysdep.h.
12904
12905         PR 6048
12906         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
12907         this->eh_frame_hdr_ is NULL before using it.
12908
12909         * dynobj.cc (Versions::Versions): Update comment.
12910
12911         * dynobj.cc (Versions::Versions): If there is an soname, use it as
12912         the base version name.
12913
12914         * stringpool.cc (Stringpool_template::add_with_length): Set key to
12915         array size plus one.
12916         (Stringpool_template::set_string_offsets): Subtract one from key
12917         before using it as an array index.
12918         (Stringpool_template::get_offset_with_length): Likewise.
12919         (Stringpool_template::write_to_buffer): Likewise.
12920         * stringpool.h (Stringpool_template::get_offset_from_key):
12921         Likewise.
12922
12923 2008-07-23  Ian Lance Taylor  <iant@google.com>
12924
12925         PR 6658
12926         * object.h (Merged_symbol_value::value): Do our best to handle a
12927         negative addend.
12928
12929         PR 6647
12930         * script.cc (Version_script_info::get_versions): Don't add empty
12931         version tag to return value.
12932         (Version_script_info::get_symbol_version_helper): Change return
12933         type to bool.  Add pversion parameter.  Change all callers.
12934         (script_register_vers_node): Don't require a non-NULL tag.
12935         * script.h (class Version_script_info): Update declarations.
12936         (Version_script_info::get_symbol_version): Change return type to
12937         bool.  Add version parameter.  Change all callers.
12938         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
12939         handling.  Handle an empty version from a version script.
12940         (Symbol_table::define_special_symbol): Likewise.
12941         * testsuite/ver_test_10.script: New file.
12942         * testsuite/ver_test_10.sh: New file.
12943         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
12944         (check_DATA): Add ver_test_10.syms.
12945         (ver_test_10.syms, ver_test_10.so): New target.
12946         * testsuite/Makefile.in: Rebuild.
12947
12948 2008-07-23  Simon Baldwin  <simonb@google.com>
12949
12950         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
12951         to zero for undefined symbols from dynamic libraries.
12952
12953 2008-07-23  Ian Lance Taylor  <iant@google.com>
12954
12955         * symtab.cc (Symbol_table::resolve): Remove version parameter.
12956         Change all callers.
12957         * symtab.h (class Symbol_table): Update declaration.
12958         * testsuite/ver_test_9.cc: New file.
12959         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
12960         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
12961         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
12962         (ver_test_9.so, ver_test_9.o): New targets.
12963         * testsuite/Makefile.in: Rebuild.
12964
12965 2008-07-22  Ian Lance Taylor  <iant@google.com>
12966
12967         * options.h (class General_options): Define --check-sections.
12968         * layout.cc (Layout::set_segment_offsets): Handle
12969         --check-sections.
12970
12971         * options.h (class General_options): Define -n/--nmagic and
12972         -N/--omagic.
12973         * options.cc (General_options::finalize): For -n/--nmagic or
12974         -N/--omagic, set -static.
12975         * layout.cc (Layout::attach_allocated_section_to_segment): If
12976         -N/--omagic, don't put read-only and read-write sections in
12977         different segments.
12978         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12979         finding a read-only segment.
12980         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12981         don't set the minimum segment alignment to the common page size,
12982         and don't set the file offset to the address modulo the page size.
12983         * script-sections.cc (Script_sections::create_segments): If
12984         -n/--omagic, don't put read-only and read-write sections in
12985         different segments.
12986
12987         * cref.cc: New file.
12988         * cref.h: New file.
12989         * options.h (class General_options): Add --print-symbol-counts.
12990         * main.cc (main): Issue defined symbol report if requested.
12991         * archive.cc (Archive::interpret_header): Make into a const member
12992         function.
12993         (Archive::add_symbols): Call Input_objects::archive_start and
12994         archive_stop.
12995         (Archive::const_iterator): Define new class.
12996         (Archive::begin, Archive::end): New functions.
12997         (Archive::include_all_members): Rewrite to use iterator.
12998         (Archive::count_members): New function.
12999         * archive.h (class Archive): Update declarations.
13000         (Archive::filename): New function.
13001         * object.cc: Include "cref.h".
13002         (Sized_relobj::Sized_relobj): Initialize defined_count_.
13003         (Sized_relobj::do_get_global_symbol_counts): New function.
13004         (Input_objects::add_object): Add object to cross-referencer.
13005         (Input_objects::archive_start): New function.
13006         (Input_objects::archive_stop): New function.
13007         (Input_objects::print_symbol_counts): New function.
13008         * object.h: Declare Cref and Archive.
13009         (Object::get_global_symbol_counts): New function.
13010         (Object::do_get_global_symbol_counts): New pure virtual function.
13011         (class Sized_relobj): Add defined_count_ field.  Update
13012         declarations.
13013         (class Input_objects): Add cref_ field.  Update constructor.
13014         Update declarations.
13015         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
13016         defined_count_.
13017         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
13018         symbol counts.
13019         (Sized_dynobj::do_get_global_symbol_counts): New function.
13020         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
13021         defined_count_.  Update declarations.  Define Symbols typedef.
13022         * symtab.cc (Symbol_table::add_from_relobj): Add defined
13023         parameter.  Change all callers.
13024         (Symbol_table::add_from_dynobj): Add sympointers and defined
13025         parameters.  Change all callers.
13026         * symtab.h (class Symbol_table): Update declarations.
13027         * Makefile.am (CCFILES): Add cref.cc.
13028         (HFILES): Add cref.h.
13029         * Makefile.in: Rebuild.
13030
13031 2008-07-22  Simon Baldwin  <simonb@google.com>
13032
13033         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
13034         to zero when writing undefined symbols.
13035
13036 2008-07-22  Ian Lance Taylor  <iant@google.com>
13037
13038         * output.cc (Output_section::add_input_section): Don't try to
13039         merge empty merge sections.
13040
13041 2008-07-21  Craig Silverstein  <csilvers@google.com>
13042
13043         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
13044         Include symbol version in error message.
13045
13046 2008-07-20  Chris Demetriou  <cgd@google.com>
13047
13048         * configure.ac (gold_cv_c_random_seed): New configured variable.
13049         (RANDOM_SEED_CFLAGS): New substituted variable.
13050         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
13051         * configure: Rebuild.
13052         * Makefile.in: Likewise.
13053         * testsuite/Makefile.in: Likewise.
13054
13055 2008-07-18  Ian Lance Taylor  <iant@google.com>
13056
13057         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
13058         where we see NAME/NULL and NAME/VERSION  as separate symbols.
13059         * testsuite/ver_test_main.cc (main): Call t4.
13060         (t4, t4_2a): Define.
13061         * testsuite/ver_test_2.cc (t4_2): Define.
13062         * testsuite/ver_test_2.script: Put t4_2a in VER2.
13063         * testsuite/ver_test_4.cc (t4_2a): Define.
13064         * testsuite/ver_test_4.script: Put t4_2a in VER2.
13065         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
13066
13067 2008-07-17  Ian Lance Taylor  <iant@google.com>
13068
13069         * dynobj.cc (Versions::add_def): If we give an error about a
13070         missing version, go ahead and create the version anyhow.
13071
13072 2008-07-10  Ian Lance Taylor  <iant@google.com>
13073
13074         Handle output sections with more than 0x7fffffff bytes.
13075         * object.h (class Relobj): Change map_to_output_ to
13076         output_sections_, and just keep a section pointer.  Change all
13077         uses.  Move comdat group support to Sized_relobj.
13078         (Relobj::is_section_specially_mapped): Remove.
13079         (Relobj::output_section): Remove poff parameter.  Change all
13080         callers.
13081         (Relobj::output_section_offset): New function.
13082         (Relobj::set_section_offset): Rewrite.
13083         (Relobj::map_to_output): Remove.
13084         (Relobj::output_sections): New function.
13085         (Relobj::do_output_section_offset): New pure virtual function.
13086         (Relobj::do_set_section_offset): Likewise.
13087         (class Sized_relobj): Add section_offsets_ field.  Add comdat
13088         group support from Relobj.  Update declarations.
13089         (Sized_relobj::get_output_section_offset): New function.
13090         (Sized_relobj::do_output_section_offset): New function.
13091         (Sized_relobj::do_set_section_offset): New function.
13092         * object.cc (Relobj::output_section_address): Remove.
13093         (Sized_relobj::Sized_relobj): Initialize new fields.
13094         (Sized_relobj::include_section_group): Cast find_kept_object to
13095         Sized_relobj.
13096         (Sized_relobj::include_linkonce_section): Likewise.
13097         (Sized_relobj::do_layout): Use separate arrays for output section
13098         and output offset.
13099         (Sized_relobj::do_count_local_symbols): Change map_to_output to
13100         output_sections.
13101         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
13102         output_sections and section_offsets.
13103         (Sized_relobj::write_local_symbols): Likewise.
13104         (map_to_kept_section): Compute output address directly.
13105         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
13106         output_sections and section_offsets.
13107         (Sized_relobj::write_sections): Likewise.
13108         (Sized_relobj::relocate_sections): Likewise.
13109         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
13110         * output.h (class Output_reloc): Update declarations.  Change
13111         u2_.relobj to Sized_relobj*.
13112         (class Output_data_reloc): Change add functions to use
13113         Sized_relobj*.
13114         * output.cc (Output_reloc::Output_reloc): Change relobj to
13115         Sized_relobj*.
13116         (Output_reloc::local_section_offset): Change return type to
13117         Elf_Addr.  Use get_output_section_offset.
13118         (Output_reloc::get_address): Likewise.
13119         (Output_section::is_input_address_mapped): Don't call
13120         is_section_specially_mapped.
13121         (Output_section::output_offset): Likewise.
13122         (Output_section::output_address): Likewise.
13123         (Output_section::starting_output_address): Likewise.
13124         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
13125         parameter to Sized_relobj*.
13126         (Copy_relocs::need_copy_reloc): Likewise.
13127         (Copy_relocs::save): Likewise.
13128         * copy-relocs.h (class Copy_relocs): Update declarations.
13129         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
13130         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
13131         * target-reloc.h (relocate_for_relocatable): Change
13132         offset_in_output_section type to Elf_Addr.  Change code that uses
13133         it as well.
13134         * layout.cc (Layout::layout): Always set *off.
13135         * mapfile.cc (Mapfile::print_input_section): Use
13136         output_section_offset.
13137         * i386.cc (Target_i386::copy_reloc): Change object parameter to
13138         Sized_relobj*.
13139         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
13140         * sparc.cc (Target_sparc::copy_reloc): Likewise.
13141         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
13142
13143 2008-07-03  Ian Lance Taylor  <iant@google.com>
13144
13145         * layout.cc (Layout::include_section): Do not discard unrecognized
13146         SHT_STRTAB sections.
13147
13148 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
13149
13150         * script.cc (Lex::can_continue_name): Make '?' allowable in
13151         version-script names.
13152         * testsuite/version_script.map: Change glob pattern to use '?'
13153
13154 2008-06-30  Manish Singh  <yosh@gimp.org>
13155
13156         PR 6585
13157         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
13158         Correct typo.
13159
13160 2008-06-30  Ian Lance Taylor  <iant@google.com>
13161
13162         PR 6660
13163         PR 6682
13164         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
13165         versions]: Don't try to read the value in the contents, since we
13166         don't use it.  Use the template endianness when writing.
13167
13168 2008-06-25  Cary Coutant  <ccoutant@google.com>
13169
13170         * fileread.cc (File_read::make_view): Assert on zero-length view.
13171         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
13172         symbol table when there are no symbols to read.
13173
13174 2008-06-23  Craig Silverstein  <csilvers@google.com>
13175
13176         * version.cc (version_string): Bump to 1.7
13177
13178 2008-06-18  Craig Silverstein  <csilvers@google.com>
13179
13180         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
13181         constant 0xFFFF to type Valtype.
13182         (Powerpc_relocate_functions::rel16_ha): Likewise.
13183
13184 2008-06-17  Ian Lance Taylor  <iant@google.com>
13185
13186         * output.h (Output_section::Input_section): Initialize p2align_ to
13187         zero for Output_section_data constructors.
13188         (Output_section::Input_section::addralign): If not an input
13189         section, return the alignment of the Output_section_data.
13190         * testsuite/copy_test.cc: New file.
13191         * testsuite/copy_test_1.cc: New file.
13192         * testsuite/copy_test_2.cc: New file.
13193         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
13194         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
13195         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
13196         (copy_test_1_pic.o, copy_test_1.so): New targets.
13197         (copy_test_2_pic.o, copy_test_2.so): New targets.
13198         * testsuite/Makefile.in: Rebuild.
13199
13200         * script-sections.cc (Script_sections::place_orphan): Initialize
13201         local variable exact.
13202
13203 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
13204
13205         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
13206
13207 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
13208             David S. Miller  <davem@davemloft.net>
13209
13210         * powerpc.cc: New file.
13211         * Makefile.am (TARGETSOURCES): Add powerpc.cc
13212         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
13213         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
13214         * Makefile.in: Rebuild.
13215
13216 2008-06-09  Ian Lance Taylor  <iant@google.com>
13217
13218         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
13219         <exception>.
13220         (throwing, orig_terminate): New static variables.
13221         (terminate_handler): New static function.
13222         (t2): Set terminate handler.
13223
13224 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
13225
13226         PR 6584
13227         * binary.cc (Binary_to_elf::sized_convert): Fix .data
13228         alignment.
13229
13230 2008-05-30  Cary Coutant  <ccoutant@google.com>
13231
13232         * archive.cc (Archive::include_all_members) Correct to step
13233         over symbol table and extended name table in thin archives.
13234
13235 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
13236
13237         PR 6407
13238         * target-reloc.h (relocate_for_relocatable): Fix new_offset
13239         calculation.
13240
13241 2008-05-28  Caleb Howe  <cshowe@google.com>
13242
13243         * reduced_debug_output.cc: New file.
13244         * reduced_debug_output.h: New file.
13245         * options.h (class General_options): Add --strip-debug-non-line.
13246         * options.cc (General_options::finalize): Add strip_debug_non_line
13247         to the strip heirarchy.
13248         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
13249         fields.
13250         * layout.cc: Include "reduced_debug_output.h".
13251         (Layout::Layout): Initialize new fields.
13252         (line_only_debug_sections): New static array.
13253         (is_lines_only_debug_sections): New static inline function.
13254         (Layout::include_section): Handle --strip-debug-non-line.
13255         (Layout::make_output_section): If --strip-debug-non-line, build
13256         new output sections for .debug_abbrev and .debug_info.
13257         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
13258         gold.  Warn about possible overflow.
13259         (read_signed_LEB_128): Likewise.
13260         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
13261         (read_signed_LEB_128): Declare.
13262         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
13263         (HFILES): Add reduced_debug_output.h.
13264         * Makefile.in: Rebuild.
13265
13266 2008-05-21  Ian Lance Taylor  <iant@google.com>
13267
13268         * mapfile.cc: New file.
13269         * mapfile.h: New file.
13270         * options.h (class General_options): Add -M/--print-map and -Map.
13271         * options.cc (General_options::finalize): Make -M equivalent to
13272         -Map -.
13273         * main.cc: Include <cstdio> and "mapfile.h".
13274         (main): Open mapfile if requested.
13275         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
13276         constructor.  Change caller.
13277         (queue_initial_tasks): Add mapfile parameter.  Change caller.
13278         (queue_middle_tasks): Likewise.
13279         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
13280         declarations.
13281         * archive.cc: Include "mapfile.h".
13282         (Archive::add_symbols): Add mapfile parameter.  Change all
13283         callers.  Pass mapfile, symbol, and reason to include_member.
13284         (Archive::include_all_members): Add mapfile parameter.  Change all
13285         callers.
13286         (Archive::include_member): Add mapfile, sym, and why parameters.
13287         Change all callers.  Report inclusion to map file.
13288         * archive.h: Include "fileread.h".
13289         (class Archive): Update declarations.
13290         (Archive::file): New const method.
13291         (class Add_archive_symbols): Add mapfile_ field.  Update
13292         constructor.  Change all callers.
13293         * readsyms.h (class Read_symbols): Likewise.
13294         (class Finish_group): Likewise.
13295         (class Read_script): Likewise.
13296         * common.cc: Include "mapfile.h".
13297         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
13298         all callers.
13299         (Symbol_table::do_allocate_commons): Likewise.
13300         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
13301         symbol allocation to mapfile.
13302         * common.h (class Allocate_commons_task): Add mapfile_ field.
13303         Update constructor.  Change all callers.
13304         * symtab.h (class Symbol_table): Update declarations.
13305         * layout.cc: Include "mapfile.h".
13306         (Layout_task_runner::run): Print information to mapfile.
13307         (Layout::create_gold_note): Change Output_data_fixed_space to
13308         Output_data_zero_fill.
13309         (Layout::create_build_id): Likewise.
13310         (Layout::print_to_mapfile): New function.
13311         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
13312         constructor.  Change caller.
13313         (class Layout): Declare print_to_mapfile.
13314         * output.cc (Output_section::Input_section::print_to_mapfile): New
13315         function.
13316         (Output_section::add_input_section): If producing a map, always
13317         add to input_sections_ list.
13318         (Output_section::do_print_to_mapfile): New function.
13319         (Output_segment::print_sections_to_mapfile): New function.
13320         (Output_segment::print_section_list_to_mapfile): New function.
13321         * output.h: Include "mapfile.h".
13322         (Output_data::print_to_mapfile): New function.
13323         (Output_data::do_print_to_mapfile): New virtual function.
13324         (Output_segment_headers::do_print_to_mapfile): New function.
13325         (Output_file_header::do_print_to_mapfile): New function.
13326         (Output_data_const::do_print_to_mapfile): New function.
13327         (class Output_data_const_buffer): Add map_name_ field.  Update
13328         constructor.  Change all callers.  Add do_print_to_mapfile
13329         function.
13330         (class Output_data_fixed_space): Likewise.
13331         (class Output_data_space): Likewise.
13332         (class Output_data_zero_fill): New class.
13333         (Output_data_strtab::do_print_to_mapfile): New function.
13334         (Output_data_reloc_base::do_print_to_mapfile): New function.
13335         (Output_relocatable_relocs::do_print_to_mapfile): New function.
13336         (Output_data_group::do_print_to_mapfile): New function.
13337         (Output_data_got::do_print_to_mapfile): New function.
13338         (Output_data_dynamic::do_print_to_mapfile): New function.
13339         (Output_symtab_xindex::do_print_to_mapfile): New function.
13340         (class Output_section): Declare do_print_to_mapflie.  Declare
13341         print_to_mapfile in Input_section.
13342         (class Output_segment): Declare new functions.
13343         * object.h (Sized_relobj::symbol_count): New function.
13344         * script-sections.cc
13345         (Output_section_element_dot_assignment::set_section_addresses):
13346         Change Output_data_fixed_space to Output_data_zero_fill.
13347         (Output_data_expression::do_print_to_mapfile): New function.
13348         * script.cc (read_input_script): Add mapfile parameter.  Change
13349         all callers.
13350         * script.h (read_input_script): Update declaration.
13351         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
13352         (Eh_frame::do_print_to_mapfile): New function.
13353         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
13354         (Output_merge_string::do_print_to_mapfile): New function.
13355         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
13356         function.
13357         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
13358         function.
13359         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
13360         function.
13361         * Makefile.am (CCFILES): Add mapfile.cc.
13362         (HFILES): Add mapfile.h.
13363         * Makefile.in: Rebuild.
13364
13365 2008-05-19  Ian Lance Taylor  <iant@google.com>
13366
13367         * options.h (class General_options): Add -z relro.
13368         * layout.cc (Layout::Layout): Initialize relro_segment_.
13369         (Layout::add_output_section_data): Return the output section.
13370         (Layout::make_output_section): Rcognize relro sections and mark
13371         them appropriately.
13372         (Layout::attach_allocated_section_to_segment): Put relro sections
13373         in a PT_GNU_RELRO segment.
13374         (Layout::create_initial_dynamic_sections): Mark the .dynamic
13375         section as relro.
13376         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
13377         PT_TLS segments.
13378         (Layout::linkonce_mapping): Map d.rel.ro.local to
13379         .data.rel.ro.local.
13380         (Layout::output_section_name): Us .data.rel.ro.local for any
13381         section which begins with that.
13382         * layout.h (class Layout): Update add_output_section_data
13383         declaration.  Add relro_segment_ field.
13384         * output.cc (Output_section::Output_section): Initialize is_relro_
13385         and is_relro_local_ fields.
13386         (Output_segment::add_output_section): Group relro sections.
13387         (Output_segment::is_first_section_relro): New function.
13388         (Output_segment::maximum_alignment): If there is a relro section,
13389         align the segment to the common page size.
13390         (Output_segment::set_section_addresses): Track whether we are
13391         looking at relro sections.  If the last section is a relro
13392         section, align to the common page size.
13393         (Output_segment::set_section_list_addresses): Add in_relro
13394         parameter.  Change all callers.  Align to the page size when
13395         moving from relro to non-relro section.
13396         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
13397         segment.
13398         * output.h (class Output_section): Add is_relro_ and
13399         is_relro_local_ fields.
13400         (Output_section::is_relro): New function.
13401         (Output_section::set_is_relro): New function.
13402         (Output_section::is_relro_local): New function.
13403         (Output_section::set_is_relro_local): New function.
13404         (class Output_segment): Update declarations.
13405         * i386.cc (Target_i386::got_section): Mark .got section as relro.
13406         * sparc.cc (Target_sparc::got_section): Likewise.
13407         * x86_64.cc (Target_x86_64::got_section): Likewise.
13408         * testsuite/relro_test_main.cc: New file.
13409         * testsuite/relro_test.cc: New file.
13410         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
13411         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
13412         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
13413         (relro_test.so, relro_test_pic.o): New targets.
13414         * testsuite/Makefile.in: Rebuild.
13415
13416 2008-05-16  Ian Lance Taylor  <iant@google.com>
13417
13418         * output.cc (Output_segment::add_output_section): Remove front
13419         parameter.
13420         * output.h (class Output_segment): Remove
13421         add_initial_output_section and overloaded add_output_section.
13422         Update declaration of remaining add_output_section.
13423         * layout.cc (Layout::create_interp): Call add_output_section
13424         rather than add_initial_output_section.
13425         (Layout::finish_dynamic_section): Likewise.
13426
13427         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
13428         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
13429         know the dynamic type.
13430         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
13431         field.  Initialize it in constructor.
13432         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
13433         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
13434         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
13435         reloc.
13436
13437         * output.cc (Output_reloc::get_address): Change return type to
13438         Elf_Addr.
13439         * output.h (class Output_reloc): Update get_address declaration.
13440         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
13441         for section addresses.
13442
13443 2008-05-09  Ian Lance Taylor  <iant@google.com>
13444
13445         PR 6493
13446         * gold.cc (gold_nomem): Use return value of write.
13447
13448 2008-05-08  Ian Lance Taylor  <iant@google.com>
13449
13450         * symtab.c (Symbol::init_base_output_data): Add version
13451         parameter.  Change all callers.
13452         (Symbol::init_base_output_segment): Likewise.
13453         (Symbol::init_base_constant): Likewise.
13454         (Symbol::init_base_undefined): Likewise.
13455         (Sized_symbol::init_output_data): Likewise.
13456         (Sized_symbol::init_output_segment): Likewise.
13457         (Sized_symbol::init_constant): Likewise.
13458         (Sized_symbol::init_undefined): Likewise.
13459         (Symbol_table::do_define_in_output_data): If the new symbol has a
13460         version, mark it as the default.
13461         (Symbol_table::do_define_in_output_segment): Likewise.
13462         (Symbol_table::do_define_as_constant): Likewise.
13463         * symtab.h (class Symbol): Update declarations.
13464         (class Sized_symbol): Likewise.
13465         * resolve.cc (Symbol::override_version): New function.
13466         (Symbol::override_base): Call override_version.
13467         (Symbol::override_base_with_special): Likewise.
13468         * testsuite/ver_script_8.script: New file.
13469         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
13470         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
13471         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
13472         (ver_test_8_1.so, ver_test_8_2.so): New targets.
13473
13474 2008-05-06  Ian Lance Taylor  <iant@google.com>
13475
13476         PR 6049
13477         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
13478         functions.
13479         (class General_options): Remove existing --undefined, and add
13480         --no-undefined instead.  Add new --undefined as synonym for -u.
13481         * archive.cc (Archive::add_symbols): Check whether symbol was
13482         named with -u.
13483         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
13484         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
13485         all uses.  Add IS_UNDEFINED.  Update declarations to split
13486         different versions of init_base.  Declare init_base_undefined.
13487         (Symbol::is_defined): Handle IS_UNDEFINED.
13488         (Symbol::is_undefined): Likewise.
13489         (Symbol::is_weak_undefined): Call is_undefined.
13490         (Symbol::is_absolute): Handle IS_CONSTANT.
13491         (class Sized_symbol): Update declarations to split different
13492         versions of init.  Declare init_undefined.
13493         (class Symbol_table): Declare new functions.
13494         * symtab.cc (Symbol::init_base_object): Rename from init_base.
13495         Change all callers.
13496         (Symbol::init_base_output_data): Likewise.
13497         (Symbol::init_base_output_segment): Likewise.
13498         (Symbol::init_base_constant): Likewise.
13499         (Symbol::init_base_undefined): New function.
13500         (Sized_symbol::init_object): Rename from init.  Change all
13501         callers.
13502         (Sized_symbol::init_output_data): Likewise.
13503         (Sized_symbol::init_output_segment): Likewise.
13504         (Sized_symbol::init_constant): Likewise.
13505         (Sized_symbol::init_undefined): New function.
13506         (Symbol_table::add_undefined_symbols_from_command_line): New
13507         function.
13508         (Symbol_table::do_add_undefined_symbols_from_command_line): New
13509         function.
13510         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
13511         (Symbol::output_section): Likewise.
13512         (Symbol::set_output_section): Likewise.
13513         (Symbol_table::sized_finalize_symbol): Likewise.
13514         (Symbol_table::sized_write_globals): Likewise.
13515         * resolve.cc (Symbol_table::should_override): Likewise.
13516         (Symbol::override_base_with_special): Likewise.
13517
13518         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
13519         symbol, change it to have default visibility.
13520         * testsuite/protected_1.cc: New file.
13521         * testsuite/protected_2.cc: New file.
13522         * testsuite/protected_3.cc: New file.
13523         * testsuite/protected_main_1.cc: New file.
13524         * testsuite/protected_main_2.cc: New file.
13525         * testsuite/protected_main_3.cc: New file.
13526         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
13527         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
13528         (protected_1_LDFLAGS, protected_1_LDADD): Define.
13529         (protected_1.so): New target.
13530         (protected_1_pic.o, protected_2_pic.o): New targets.
13531         (protected_3_pic.o): New target.
13532         (check_PROGRAMS): Add protected_2.
13533         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
13534         (protected_2_LDFLAGS, protected_2_LDADD): Define.
13535         * testsuite/Makefile.in: Rebuild.
13536
13537         * options.h (DEFINE_var): Add set_user_set_##varname__.
13538         (DEFINE_bool_alias): New macro.
13539         (class General_options): Define -Bstatic using DEFINE_bool_alias
13540         rather than DEFINE_special.  Add --undefined as an alias for -z
13541         defs.
13542         * options.cc (General_options::parse_Bstatic): Remove.
13543
13544         * options.h (class General_options): Add --fatal-warnings.
13545         * main.cc (main): Implement --fatal-warnings.
13546         * errors.h (Errors::warning_count): New function.
13547
13548         * options.h (class General_options): Add -Bsymbolic-functions.
13549         * symtab.h (Symbol::is_preemptible): Check for
13550         -Bsymbolic-functions.
13551
13552 2008-05-05  Ian Lance Taylor  <iant@google.com>
13553
13554         * options.h (DEFINE_bool): For DASH_Z, create the negative option
13555         as noVARNAME rather than no-VARNAME.
13556         (class General_options): Add option -z combreloc.
13557         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
13558         get_address.
13559         (Output_reloc::sort_before) [SHT_REL]: New function.
13560         (Output_reloc::sort_before) [SHT_RELA]: New function.
13561         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
13562         Sort_relocs_comparison.
13563         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
13564         parameter.  Change all callers.
13565         (Output_data_reloc::Output_data_reloc) [both versions]: Add
13566         sort_relocs parameter.  Change all callers.
13567         * output.cc (Output_reloc::get_address): New function, broken out
13568         of write_rel.
13569         (Output_reloc::write_rel): Call it.
13570         (Output_reloc::compare): New function.
13571         (Output_data_reloc_base::do_write): Optionally sort relocs.
13572
13573         * configure.ac: If targ_extra_obj is set, link it in.
13574         * configure.tgt: Initialize all variables.
13575         (x86_64*): Set targ_extra_obj and targ_extra_size.
13576         * configure: Rebuild.
13577
13578         * object.cc (Sized_relobj::include_section_group): Adjust section
13579         indexes read from group data.  Build vector to pass to
13580         layout_group.
13581         * layout.cc (Layout::layout_group): Add flags and shndxes
13582         parameters.  Remove contents parameter.  Change caller.  Update
13583         explicit instantiations.
13584         * layout.h (class Layout): Update layout_group declaration.
13585         * output.cc (Output_data_group::Output_data_group): Add flags and
13586         input_shndxes parameters.  Remove contents parameter.  Change
13587         caller.
13588         (Output_data_group::do_write): Change input_sections_ to
13589         input_shndxes_.
13590         * output.h (class Output_data_group): Update constructor
13591         declaration.  Rename input_sections_ to input_shndxes_.
13592         * testsuite/many_sections_test.cc: Add template.
13593
13594 2008-04-30  Cary Coutant  <ccoutant@google.com>
13595
13596         * target-reloc.h (relocate_section): Fix dead-pointer bug.
13597
13598         * layout.cc (Layout::include_section): Refactored check for debug
13599         info section.
13600         (Layout::add_comdat): Add new parameters.  Change type
13601         of signature parameter.  Add object and shndx to signatures table.
13602         (Layout::find_kept_object): New function.
13603         * layout.h: Include <cstring>.
13604         (Layout::is_debug_info_section): New function.
13605         (Layout::add_comdat): Add new parameters.
13606         (Layout::find_kept_object): New function.
13607         (Layout::Kept_section): New struct.
13608         (Layout::Signatures): Change type of map range.
13609         * object.cc (Relobj::output_section_address): New function.
13610         (Sized_relobj::include_section_group): Add new parameters.  Change
13611         calls to Layout::add_comdat.  Change to build table of kept comdat
13612         groups and table mapping discarded sections to kept sections.
13613         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
13614         (Sized_relobj::do_layout): Change calls to include_section_group and
13615         include_linkonce_section.
13616         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
13617         value to zero when section is discarded.
13618         (Sized_relobj::map_to_kept_section): New function.
13619         * object.h (Relobj::output_section_address): New function.
13620         (Relobj::Comdat_group): New type.
13621         (Relobj::find_comdat_group): New function.
13622         (Relobj::Comdat_group_table): New type.
13623         (Relobj::Kept_comdat_section): New type.
13624         (Relobj::Kept_comdat_section_table): New type.
13625         (Relobj::add_comdat_group): New function.
13626         (Relobj::set_kept_comdat_section): New function.
13627         (Relobj::get_kept_comdat_section): New function.
13628         (Relobj::comdat_groups_): New field.
13629         (Relobj::kept_comdat_sections_): New field.
13630         (Symbol_value::input_value): Update comment.
13631         (Sized_relobj::map_to_kept_section) New function.
13632         (Sized_relobj::include_linkonce_section): Add new parameter.
13633         * target-reloc.h (Comdat_behavior): New type.
13634         (get_comdat_behavior): New function.
13635         (relocate_section): Add code to map a discarded section to the
13636         corresponding kept section when applying a relocation.
13637
13638 2008-04-30  Craig Silverstein  <csilvers@google.com>
13639
13640         * dwarf_reader.cc (next_generation_count): New static var.
13641         (Addr2line_cache_entry): New struct.
13642         (addr2line_cache): New static var.
13643         (Dwarf_line_info::one_addr2line): Added caching.
13644         (Dwarf_line_info::clear_addr2line_cache): New function.
13645         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
13646         cache-size parameter.
13647         (Dwarf_line_info::one_addr2line_cache): New function.
13648         * symtab.cc (Symbol_table::detect_odr_violations): Pass
13649         new cache-size argument to one_addr2line(), and clear cache.
13650
13651 2008-04-28  Cary Coutant  <ccoutant@google.com>
13652
13653         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
13654         R_386_PC8 relocations.
13655
13656 2008-04-23  Ian Lance Taylor  <iant@google.com>
13657
13658         * object.cc (Sized_relobj::include_section_group): Check for
13659         invalid section group.
13660
13661         * object.cc (make_elf_object): Correct test for 64-bit ELF file
13662         header size.
13663
13664         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
13665         than read for file header.
13666         * archive.cc (Archive::include_member): Likewise.
13667
13668 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13669
13670         * aclocal.m4: Regenerate.
13671         * configure: Regenerate.
13672
13673 2008-04-19  Ian Lance Taylor  <iant@google.com>
13674
13675         * version.cc (version_string): Bump to 1.6.
13676
13677         * testsuite/Makefile.am (many_sections_r_test): New target.
13678         (many_sections_r_test_SOURCES): Remove.
13679         (many_sections_r_test_DEPENDENCIES): Remove.
13680         (many_sections_r_test_LDFLAGS): Remove.
13681         (many_sections_r_test_LDADD): Remove.
13682
13683         * object.cc (Sized_relobj::do_add_symbols): Always pass
13684         local_symbol_count_ to add_from_relobj.
13685
13686         * testsuite/Makefile.am (many_sections_check.h): Only check one in
13687         every thousand variables.
13688         * testsuite/Makefile.in: Rebuild.
13689
13690         * object.cc (Xindex::initialize_symtab_xindex): New function.
13691         (Xindex::read_symtab_xindex): New function.
13692         (Xindex::sym_xindex_to_shndx): New function.
13693         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
13694         available.
13695         (Sized_relobj::do_initialize_xindex): New function.
13696         (Sized_relobj::do_read_symbols): Adjust section links.
13697         (Sized_relobj::symbol_section_and_value): Add is_ordinary
13698         parameter.  Change all callers.
13699         (Sized_relobj::include_section_group): Adjust section links and
13700         symbol section indexes.
13701         (Sized_relobj::do_layout): Adjust section links.
13702         (Sized_relobj::do_count_local_symbols): Adjust section links and
13703         symbol section indexes.
13704         (Sized_relobj::do_finalize_local_symbols): Distinguish between
13705         ordinary and special symbols.
13706         (Sized_relobj::write_local_symbols): Add symtab_xindex and
13707         dynsym_xindex parameters.  Change all callers.  Adjust section
13708         links.  Use SHN_XINDEX when needed.
13709         (Sized_relobj::get_symbol_location_info): Adjust section links.
13710         Don't get fooled by special symbols.
13711         * object.h (class Xindex): Define.
13712         (class Object): Add xindex_ parameter.  Declare virtual functoin
13713         do_initialize_xindex.
13714         (Object::adjust_sym_shndx): New function.
13715         (Object::set_xindex): New protected function.
13716         (class Symbol_value): Add is_ordinary_shndx_ field.
13717         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
13718         (Symbol_value::value): Assert ordinary section.
13719         (Symbol_value::initialize_input_to_output_map): Likewise.
13720         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
13721         Change all callers.
13722         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
13723         all callers.
13724         (class Sized_relobj): Update declarations.
13725         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
13726         parameter.  Change all callers.
13727         (Sized_relobj::adjust_shndx): New function.
13728         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
13729         field.
13730         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
13731         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
13732         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
13733         (Sized_dynobj::read_dynsym_section): Adjust section links.
13734         (Sized_dynobj::read_dynamic): Likewise.
13735         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
13736         section links.
13737         (Sized_dynobj::do_initialize_xindex): New function.
13738         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
13739         do_initialize_xindex.
13740         (Sized_dynobj::adjust_shndx): New function.
13741         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
13742         dynsym_xindex_ fields.
13743         (Layout::finalize): Add a call to set_section_indexes before
13744         creating the symtab sections.
13745         (Layout::set_section_indexes): Don't do anything if the section
13746         already has a section index.
13747         (Layout::create_symtab_sections): Add shnum parameter.  Change
13748         caller.  Create .symtab_shndx section if needed.
13749         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
13750         caller.
13751         (Layout::allocated_output_section_count): New function.
13752         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
13753         needed.
13754         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
13755         fields.  Update declarations.
13756         (Layout::symtab_xindex): New function.
13757         (Layout::dynsym_xindex): New function.
13758         (class Write_symbols_task): Add layout_ field.
13759         (Write_symbols_task::Write_symbols_task): Add layout parameter.
13760         Change caller.
13761         * output.cc (Output_section_headers::Output_section_headers): Add
13762         shstrtab_section parameter.  Change all callers.
13763         (Output_section_headers::do_sized_write): Store overflow values
13764         for section count and section string table section index in
13765         section header zero.
13766         (Output_file_header::do_sized_write): Check for overflow of
13767         section count and section string table section index.
13768         (Output_symtab_xindex::do_write): New function.
13769         (Output_symtab_xindex::endian_do_write): New function.
13770         * output.h (class Output_section_headers): Add shstrtab_section_.
13771         Update declarations.
13772         (class Output_symtab_xindex): Define.
13773         (Output_section::has_out_shndx): New function.
13774         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13775         field.
13776         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13777         Change all callers.
13778         (Sized_symbol::init): Likewise.
13779         (Symbol::output_section): Check for ordinary symbol.
13780         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13781         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13782         callers.
13783         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13784         Change all callers.  Simplify handling of symbols from sections
13785         not included in the link.
13786         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13787         distinction.
13788         (Weak_alias_sorter::operator()): Assert that symbols are
13789         ordinary.
13790         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13791         distinction.
13792         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13793         parameters.  Change all callers.
13794         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13795         symbol distinction.  Use SHN_XINDEX when needed.
13796         (Symbol_table::write_section_symbol): Add symtab_xindex
13797         parameter.  Change all callers.
13798         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13799         SHN_XINDEX when needed.
13800         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13801         declarations.
13802         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13803         (Symbol::is_defined): Check is_ordinary.
13804         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13805         (Symbol::is_absolute, Symbol::is_common): Likewise.
13806         (class Sized_symbol): Update declarations.
13807         (class Symbol_table): Update declarations.
13808         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13809         parameters.  Change all callers.
13810         (Sized_symbol::override): Likewise.
13811         (Symbol_table::override): Likewise.
13812         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13813         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13814         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13815         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13816         to be in an ordinary section.
13817         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13818         object and is_ordinary parameters.  Change all callers.
13819         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13820         Change all callers.  Don't add undefined or non-ordinary symbols
13821         to reloc_map_.
13822         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13823         Change all callers.
13824         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13825         declarations.
13826         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13827         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13828         (Sized_relobj::relocate_sections): Likewise.
13829         * target-reloc.h (scan_relocs): Adjust section symbol index.
13830         (scan_relocatable_relocs): Likewise.
13831         * i386.cc (Scan::local): Check for ordinary symbols.
13832         * sparc.cc (Scan::local): Likewise.
13833         * x86_64.cc (Scan::local): Likewise.
13834         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13835         to symbol_section_and_value.
13836         * testsuite/many_sections_test.cc: New file.
13837         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13838         (check_PROGRAMS): Add many_sections_test.
13839         (many_sections_test_SOURCES): Define.
13840         (many_sections_test_DEPENDENCIES): Define.
13841         (many_sections_test_LDFLAGS): Define.
13842         (BUILT_SOURCES): Add many_sections_define.h.
13843         (many_sections_define.h): New target.
13844         (BUILT_SOURCES): Add many_sections_check.h.
13845         (many_sections_check.h): New target.
13846         (check_PROGRAMS): Add many_sections_r_test.
13847         (many_sections_r_test_SOURCES): Define.
13848         (many_sections_r_test_DEPENDENCIES): Define.
13849         (many_sections_r_test_LDFLAGS): Define.
13850         (many_sections_r_test_LDADD): Define.
13851         (many_sections_r_test.o): New target.
13852         * testsuite/Makefile.in: Rebuild.
13853
13854 2008-04-17  Cary Coutant  <ccoutant@google.com>
13855
13856         * errors.cc (Errors::info): New function.
13857         (gold_info): New function.
13858         * errors.h (Errors::info): New function.
13859         * gold.h (gold_info): New function.
13860         * object.cc (Input_objects::add_object): Print trace output.
13861         * options.cc (options::parse_set): New function.
13862         (General_options::parse_wrap): Deleted.
13863         (General_options::General_options): Deleted initializer.
13864         * options.h (options::String_set): New typedef.
13865         (options::parse_set): New function.
13866         (DEFINE_set): New macro.
13867         (General_options::wrap): Changed to use DEFINE_set. Changed
13868         callers of any_wrap_symbols and is_wrap_symbol.
13869         (General_options::trace, General_options::trace_symbol):
13870         New options.
13871         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13872         (General_options::wrap_symbols_): Deleted.
13873         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13874
13875 2008-04-17  David S. Miller  <davem@davemloft.net>
13876
13877         * options.cc (General_options::parse_V): New function.
13878         * options.h: Add entries for -V and -Qy.
13879
13880 2008-04-17  Ian Lance Taylor  <iant@google.com>
13881
13882         * common.cc (Symbol_table::allocate_commons): Remove options
13883         parameter.  Change caller.
13884         (Symbol_table::do_allocate_commons): Remove options parameter.
13885         Change caller.  Just call do_allocate_commons_list twice.
13886         (Symbol_table::do_allocate_commons_list): New function, broken out
13887         of do_allocate_commons.
13888         * common.h (class Allocate_commons_task): Remove options_ field.
13889         Update constructor.
13890         * symtab.cc (Symbol_table::Symbol_table): Initialize
13891         tls_commons_.
13892         (Symbol_table::add_from_object): Put TLS common symbols on
13893         tls_commons_ list.
13894         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13895         which are IN_OUTPUT_DATA.
13896         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13897         allocate_commons and do_allocate_commons declarations.  Declare
13898         do_allocate_commons_list.
13899         * gold.cc (queue_middle_tasks): Update creation of
13900         Allocate_commons_task to not pass options.
13901         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13902         (TLS_TEST_C_FLAGS): New variable.
13903         (tls_test_c_pic.o): New target.
13904         (tls_test_shared.so): Link in tls_test_c_pic.o.
13905         (tls_test_c_pic_ie.o): New target.
13906         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
13907         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
13908         (tls_test_c.o): New target.
13909         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
13910         (tls_pic_test_LDADD): Likewise.
13911         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
13912         (tls_shared_gd_to_ie_test_LDADD): Likewise.
13913         (tls_test_c_gnu2.o): New target.
13914         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
13915         tls_test_c_gnu2.o.
13916         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
13917         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
13918         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
13919         * testsuite/tls_test.cc: Include "config.h".
13920         (t_last): Call t11_last.
13921         * testsuite/tls_test.h (t11, t11_last): Declare.
13922         * testsuite/tls_test_c.c: New file.
13923         * testsuite/tls_test_main.cc (thread_routine): Call t11.
13924         * configure.ac: Check for OpenMP support.
13925         * configure, config.in, Makefile.in: Rebuild.
13926         * testsuite/Makefile.in: Rebuild.
13927
13928 2008-04-16  Cary Coutant  <ccoutant@google.com>
13929
13930         * i386.cc (Target_i386::define_tls_base_symbol): New function.
13931         (Target_i386::tls_base_symbol_defined_): New field.
13932         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13933         (Target_i386::Scan::global): Likewise.
13934         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
13935         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
13936         (Target_x86_64::tls_base_symbol_defined_): New field.
13937         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13938         (Target_x86_64::Scan::global): Likewise.
13939
13940 2008-04-16  Cary Coutant  <ccoutant@google.com>
13941
13942         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
13943         (Symbol::needs_plt_entry): Allow weak undefined symbols.
13944         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
13945         building shared libraries.
13946         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
13947         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
13948         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
13949         * testsuite/Makefile.in: Rebuild.
13950         * testsuite/weak_undef.h: New file.
13951         * testsuite/weak_undef_file1.cc: Add extra test cases.
13952         * testsuite/weak_undef_file2.cc: Likewise.
13953         * testsuite/weak_undef_test.cc: Likewise.
13954
13955 2008-04-16  David S. Miller  <davem@davemloft.net>
13956
13957         * sparc.cc (Target_sparc::Scan): Change from struct to class.
13958         Add issued_non_pic_error_ field.  Declare check_non_pic.
13959         (Target_sparc::Scan::check_non_pic): New function.
13960         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
13961         (Target_sparc::Scan::global): Likewise.
13962
13963         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
13964         * configure: Rebuild.
13965
13966         * options.h (DEFINE_enable): New macro.
13967         (new_dtags): New enable option.
13968         (initfirst, interpose, loadfltr, nodefaultlib,
13969         nodelete, nodlopen, nodump): New -z options.
13970         * layout.cc (Layout:finish_dynamic_section): If new
13971         dtags enabled, emit DT_RUNPATH.  Also, emit a
13972         DT_FLAGS_1 containing any specified -z flags.
13973
13974 2008-04-16  Ian Lance Taylor  <iant@google.com>
13975
13976         * copy-relocs.cc: New file.
13977         * copy-relocs.h: New file.
13978         * reloc.cc: Remove Copy_relocs code.
13979         * reloc.h: Likewise.
13980         * reloc-types.h (struct Reloc_types) [both versions]: Add
13981         get_reloc_addend_noerror.
13982         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13983         variants of add_global which take an addend which must be zero.
13984         * i386.cc: Include "copy-relocs.h".
13985         (class Target_i386): Change type of copy_relocs_ to variable,
13986         update initializer.
13987         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13988         Change all callers.
13989         (Target_i386::do_finalize_sections): Change handling of
13990         copy_relocs_.
13991         * sparc.cc: Include "copy-relocs.h".
13992         (class Target_sparc): Change type of copy_relocs_ to variable,
13993         update initializer.
13994         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13995         Change all callers.
13996         (Target_sparc::do_finalize_sections): Change handling of
13997         copy_relocs_.
13998         * x86_64.cc: Include "copy-relocs.h".
13999         (class Target_x86_64): Change type of copy_relocs_ to variable,
14000         update initializer.
14001         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
14002         class.  Change all callers.
14003         (Target_x86_64::do_finalize_sections): Change handling of
14004         copy_relocs_.
14005         * Makefile.am (CCFILES): Add copy-relocs.cc.
14006         (HFILES): Add copy-relocs.h.
14007
14008         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
14009
14010         * testsuite/script_test_4.sh: Permit leading zeroes.
14011
14012 2008-04-15  Ian Lance Taylor  <iant@google.com>
14013
14014         * script-sections.cc (Script_sections::create_segments): Use
14015         header_size_adjustment even when there is enough room for the
14016         headers.
14017         * testsuite/script_test_4.sh: New file.
14018         * testsuite/script_test_4.t: New file.
14019         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
14020         (check_DATA): Add script_test_4.stdout.
14021         (MOSTLYCLEANFILES): Likewise.
14022         (script_test_4): New target.
14023         (script_test_4.stdout): New target.
14024         * testsuite/Makefile.in: Rebuild.
14025
14026         * sparc.cc: Add definitions for Output_data_plt_sparc class
14027         constants.
14028
14029 2008-04-14  David S. Miller  <davem@davemloft.net>
14030
14031         * sparc.cc: New file.
14032         * Makefile.am (TARGETSOURCES): Add sparc.cc
14033         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
14034         * configure.tgt: Document targ_extra_size and
14035         targ_extra_big_endian.  Add entries for sparc-* and
14036         sparc64-*.
14037         * configure.ac: Handle targ_extra_size and
14038         targ_extra_big_endian.
14039         * Makefile.in: Rebuild.
14040         * configure: Likewise.
14041         * po/POTFILES.in: Likewise.
14042         * po/gold.pot: Likewise.
14043
14044 2008-04-14  Ian Lance Taylor  <iant@google.com>
14045
14046         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
14047         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
14048         in the name/type/flags to section mapping.  Don't call
14049         allocate_output_section.
14050         (Layout::choose_output_section): Change parameter from adjust_name
14051         to is_input_section.  Don't permit input sections after sections
14052         are attached to segments.  Don't call allocate_output_section.
14053         (Layout::layout_eh_frame): Call update_flags_for_input_section,
14054         not write_enable_output_section.
14055         (Layout::make_output_section): Don't push to
14056         unattached_section_list_ nor call attach_to_segment.  Call
14057         attach_section_to_segment if sections are attached.
14058         (Layout::attach_sections_to_segments): New function.
14059         (Layout::attach_section_to_segment): New function.
14060         (Layout::attach_allocated_section_to_segment): Rename from
14061         attach_to_segment.  Remove flags parameter.
14062         (Layout::allocate_output_section): Remove function.
14063         (Layout::write_enable_output_section): Remove function.
14064         * layout.h (class Layout): Update for above changes.  Add new
14065         field sections_are_attached_.
14066         * output.h (Output_section::update_flags_for_input_section): New
14067         function.
14068         * output.cc (Output_section::add_input_section): Call
14069         update_flags_for_input_section.
14070         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
14071
14072 2008-04-11  Cary Coutant  <ccoutant@google.com>
14073
14074         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
14075         thought unnecessary.
14076         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
14077
14078 2008-04-11  Ian Lance Taylor  <iant@google.com>
14079
14080         * output.h (class Output_section_data): Remove inline definition
14081         of set_addralign.
14082         * output.cc (Output_section_data::set_addralign): New function.
14083
14084 2008-04-11  Cary Coutant  <ccoutant@google.com>
14085
14086         Add support for TLS descriptors for i386 and x86_64.
14087         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
14088         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
14089         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
14090         GOT_TYPE_TLS_DESC.
14091         (Target_i386::got_mod_index_entry): Remove unnecessary code.
14092         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
14093         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
14094         relocations.
14095         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
14096         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
14097         Fix problem with initial-exec relocations.
14098         (Target_i386::Relocate::relocate_tls): Likewise.
14099         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
14100         relaxation.
14101         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
14102         support for section-plus-offset dynamic table entries.
14103         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
14104         (Output_data_dynamic::Dynamic_entry): Add support for
14105         section-plus-offset dynamic table entries.
14106         (Output_data_dynamic::Classification): Likewise.
14107         (Output_data_dynamic::classification_): Renamed offset_.
14108         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
14109         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
14110         (Target_x86_64::make_plt_section): New function.
14111         (Target_x86_64::reserve_tlsdesc_entries): New function.
14112         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
14113         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
14114         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
14115         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
14116         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
14117         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
14118         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
14119         add extra PLT entry for TLS descriptors.
14120         (Output_data_plt_x86_64::got_): New field.
14121         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
14122         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
14123         fields.
14124         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
14125         descriptors.
14126         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
14127         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
14128         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
14129         R_386_TLS_DESC_CALL relocations.
14130         (Target_x86_64::Scan::global): Likewise.
14131         (Target_x86_64::do_finalize_sections): Add dynamic table entries
14132         for TLS descriptors.
14133         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
14134         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
14135         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
14136         GD-to-IE relaxation.
14137         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
14138         and TLS_DESCRIPTORS.
14139         * Makefile.in: Rebuild.
14140         * configure: Rebuild.
14141         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
14142         (tls_test_shared2.so): New target.
14143         (tls_shared_gd_to_ie_test_SOURCES): New variable.
14144         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
14145         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
14146         (tls_shared_gd_to_ie_test_LDADD): New variable.
14147         (tls_shared_gnu2_gd_to_ie_test): New target.
14148         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
14149         New targets.
14150         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
14151         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
14152         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
14153         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
14154         (tls_shared_gnu2_test): New target.
14155         (tls_test_gnu2_shared.so): New target.
14156         (tls_shared_gnu2_test_SOURCES): New variable.
14157         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
14158         (tls_shared_gnu2_test_LDFLAGS): New variable.
14159         (tls_shared_gnu2_test_LDADD): New variable.
14160         * testsuite/Makefile.in: Rebuild.
14161         * testsuite/Makefile.
14162
14163 2008-04-11  Ian Lance Taylor  <iant@google.com>
14164
14165         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
14166         justsyms.t.
14167         * testsuite/Makefile.in: Rebuild.
14168
14169         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
14170         long.
14171         * testsuite/script_test_2.cc (main): Adjust test.
14172
14173 2008-04-11  David S. Miller  <davem@davemloft.net>
14174             Ian Lance Taylor  <iant@google.com>
14175
14176         * options.h (General_options): Add entries for '-Y' and
14177         '-relax'.
14178         * options.cc (General_options:finalize): If -Y was used, add those
14179         entries to the library path instead of the default "/lib" and
14180         "/usr/lib".
14181
14182 2008-04-11  David S. Miller  <davem@davemloft.net>
14183
14184         * testsuite/justsyms.t: Start at 0x100.
14185         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
14186         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
14187         long.
14188         * testsuite/script_test_2.cc: Adjust string and section length
14189         checks.
14190
14191 2008-04-09  Ian Lance Taylor  <iant@google.com>
14192
14193         PR gold/5996
14194         * script-sections.cc (Sections_element::allocate_to_segment): Add
14195         orphan parameter.
14196         (Output_section_definition::allocate_to_segment): Likewise.
14197         (Orphan_output_section::allocate_to_segment): Likewise.
14198         (Script_sections::attach_sections_using_phdrs_clause): Don't
14199         propagate non-PT_LOAD segments to orphan sections.
14200         * testsuite/Makefile.am (script_test_3.stdout): Generate using
14201         readelf rather than objdump.
14202         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
14203         .interp section and PT_INTERP segment are the same size.
14204         * testsuite/Makefile.in: Rebuild.
14205
14206         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
14207         aliases for symbols defined in the same object.
14208         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
14209         (weak_alias_test_SOURCES): New variable.
14210         (weak_alias_test_DEPENDENCIES): New variable.
14211         (weak_alias_test_LDFLAGS): New variable.
14212         (weak_alias_test_LDADD): New variable.
14213         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
14214         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
14215         (weak_alias_test_3.o): New target.
14216         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
14217         * testsuite/weak_alias_test_main.cc: New file.
14218         * testsuite/weak_alias_test_1.cc: New file.
14219         * testsuite/weak_alias_test_2.cc: New file.
14220         * testsuite/weak_alias_test_3.cc: New file.
14221
14222 2008-04-08  Ian Lance Taylor  <iant@google.com>
14223
14224         * options.h (class General_options): Add --noinhibit-exec option.
14225         * main.cc (main): Check --noinhibit-exec.
14226
14227         * options.h (class General_options): Define --wrap as a special
14228         option.  Add wrap_symbols_ field.
14229         (General_options::any_wrap_symbols): New function.
14230         (General_options::is_wrap_symbol): New function.
14231         * options.cc (General_options::parse_wrap): New function.
14232         (General_options::General_options): Initialize wrap_symbols_.
14233         * symtab.cc (Symbol_table::wrap_symbol): New function.
14234         (Symbol_table::add_from_object): Handle --wrap.
14235         * symtab.h (class Symbol_table): Declare wrap_symbol.
14236         * target.h (Target::wrap_char): New function.
14237         (Target::Target_info): Add wrap_char field.
14238         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
14239         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
14240         * testsuite/testfile.cc (Target_test::test_target_info):
14241         Likewise.
14242
14243         * errors.cc (Errors::undefined_symbol): Mention symbol version if
14244         there is one.
14245
14246         * layout.h (class Layout): Add added_eh_frame_data_ field.
14247         * layout.cc (Layout::Layout): Initialize new field.
14248         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
14249         output section until we find a section we merged successfully.
14250         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
14251         that the size be non-zero.
14252
14253         * merge.cc (Object_merge_map::get_output_offset): Remove inline
14254         qualifier.
14255
14256 2008-04-08  Craig Silverstein  <csilvers@google.com>
14257
14258         * configure.ac: Export new conditional variable HAVE_ZLIB.
14259         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
14260         on HAVE_ZLIB.
14261         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
14262         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14263
14264 2008-04-07  Ian Lance Taylor  <iant@google.com>
14265
14266         * version.cc (version_string): Set to "1.5".
14267
14268         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
14269         Add issued_non_pic_error_ field.  Declare check_non_pic.
14270         (Target_x86_64::Scan::check_non_pic): New function.
14271         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
14272         (Target_x86_64::Scan::global): Likewise.
14273
14274         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
14275         addend parameter.  Change caller.  Handle merge sections.
14276         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
14277         Address to Addend.  Don't add in the result of
14278         local_section_offset, pass down the addend and use the returned
14279         value.
14280         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
14281         Update declarations of local_section_offset and symbol_value.
14282         * testsuite/two_file_test_1.cc (t18): New function.
14283         * testsuite/two_file_test_2.cc (f18): New function.
14284         * testsuite/two_file_test_main.cc (main): Call t18.
14285         * testsuite/two_file_test.h (t18, f18): Declare.
14286
14287         * configure.ac: Don't test for objdump, c++filt, or readelf.
14288         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
14289         conditionals.
14290         (TEST_READELF): New variable.
14291         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
14292         (check_PROGRAMS): Add two_file_strip_test.
14293         (two_file_strip_test): New target.
14294         (check_PROGRAMS): Add two_file_same_shared_strip_test.
14295         (two_file_same_shared_strip_test_SOURCES): New variable.
14296         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
14297         (two_file_same_shared_strip_test_LDFLAGS): New variable.
14298         (two_file_same_shared_strip_test_LDADD): New variable.
14299         (two_file_shared_strip.so): New target.
14300         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
14301         (ver_test_5.syms, ver_test_7.syms): Likewise.
14302         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
14303         (strip_test_3.stdout): Use TEST_OBJDUMP.
14304         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14305
14306 2008-04-04  Cary Coutant  <ccoutant@google.com>
14307
14308         * symtab.h (Symbol::is_weak_undefined): New function.
14309         (Symbol::is_strong_undefined): New function.
14310         (Symbol::is_absolute): New function.
14311         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
14312         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
14313         absolute symbols.
14314         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
14315         (weak_undef_test): New target.
14316         * testsuite/Makefile.in: Rebuild.
14317         * testsuite/weak_undef_file1.cc: New file.
14318         * testsuite/weak_undef_file2.cc: New file.
14319         * testsuite/weak_undef_test.cc: New file.
14320
14321 2008-04-03  Craig Silverstein  <csilvers@google.com>
14322
14323         * compressed_output.h (class Output_compressed_section): Use
14324         unsigned buffer.
14325         * compressed_output.cc (zlib_compress): Use unsigned buffers,
14326         add zlib header.
14327         (zlib_compressed_suffix): Removed.
14328         (Output_compressed_section::set_final_data_size): Use unsigned
14329         buffers.
14330         * testsuite/Makefile.am (flagstest_compress_debug_sections):
14331         Fix linker invocation.
14332         (flagstest_o_specialfile_and_compress_debug_sections):
14333         Likewise.
14334         * testsuite/Makefile.in: Regenerated.
14335
14336 2008-04-02  David S. Miller  <davem@davemloft.net>
14337
14338         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
14339         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
14340
14341 2008-04-02  Craig Silverstein  <csilvers@google.com>
14342
14343         * TODO: New file.
14344
14345 2008-04-02  Ian Lance Taylor  <iant@google.com>
14346
14347         * fileread.cc (File_read::find_view): Add byteshift and vshifted
14348         parameters.  Update for new key type to views_.  Change all
14349         callers.
14350         (File_read::read): Adjust for byteshift in returned view.
14351         (File_read::add_view): New function, broken out of
14352         find_and_make_view.
14353         (File_read::make_view): New function, broken out of
14354         find_and_make_view.
14355         (File_read::find_or_make_view): Add offset and aligned
14356         parameters.  Rewrite accordingly.  Change all callers.
14357         (File_read::get_view): Add offset and aligned parameters.  Adjust
14358         for byteshift in return value.
14359         (File_read::get_lasting_view): Likewise.
14360         * fileread.h (class File_read): Update declarations.
14361         (class File_read::View): Add byteshift_ field.  Add byteshift to
14362         constructor.  Add byteshift method.
14363         * archive.h (Archive::clear_uncached_views): New function.
14364         (Archive::get_view): Add aligned parameter.  Change all callers.
14365         * object.h (Object::get_view): Add aligned parameter.  Change all
14366         callers.
14367         (Object::get_lasting_view): Likewise.
14368
14369         * fileread.cc (File_read::release): Don't call clear_views if
14370         there are multiple objects.
14371         * fileread.h (File_read::clear_uncached_views): New function.
14372         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
14373         on the archive.
14374
14375 2008-03-31  Cary Coutant  <ccoutant@google.com>
14376
14377         Add thin archive support.
14378         * archive.cc (Archive::armagt): New const.
14379         (Archive::setup): Remove task parameter and calls to unlock.
14380         (Archive::unlock_nested_archives): New function.
14381         (Archive::read_header): Add nested_off parameter. Change
14382         all callers.
14383         (Archive::interpret_header): Likewise.
14384         (Archive::include_all_members): Change to handle thin
14385         archives.
14386         (Archive::include_member): Likewise.
14387         * archive.h (Archive::Archive): Add new parameters and
14388         initializers.
14389         (Archive::armagt): New const.
14390         (Archive::setup): Remove task parameter.
14391         (Archive::unlock_nested_archives): New function.
14392         (Archive::read_header): Add nested_off parameter.
14393         (Archive::interpret_header): Likewise.
14394         (Archive::Nested_archive_table): New typedef.
14395         (Archive::is_thin_archive_): New field.
14396         (Archive::nested_archives_): New field.
14397         (Archive::options_): New field.
14398         (Archive::dirpath_): New field.
14399         (Archive::task_): New field.
14400         * readsyms.cc (Read_symbols::do_read_symbols): Add check
14401         for thin archives.  Pass additional parameters to
14402         Archive::Archive.  Unlock the archive file after calling
14403         Archive::setup.
14404
14405 2008-03-29  Ian Lance Taylor  <iant@google.com>
14406
14407         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
14408         version symbol to be local.
14409         * testsuite/ver_test_4.sh: New file.
14410         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
14411         (check_DATA): Add ver_test_4.syms.
14412         (ver_test_4.syms): New target.
14413         * testsuite/Makefile.in: Rebuild.
14414
14415         * output.cc
14416         (Output_section::Input_section_sort_entry::has_priority): New
14417         function.
14418         (Output_section::Input_section_sort_entry::match_file_name): New
14419         function.
14420         (Output_section::Input_section_sort_entry::match_section_name):
14421         Remove.
14422         (Output_section::Input_section_sort_entry::match_section_name_prefix):
14423         Remove.
14424         (Output_section::Input_section_sort_entry::match_section_file):
14425         Remove.
14426         (Output_section::Input_section_sort_compare::operator()): Rewrite
14427         using new Input_section_sort_entry functions.  Sort crtbegin and
14428         crtend first.  Sort sections with no priority before sections with
14429         a priority.
14430         * testsuite/initpri1.c (d3): Check j != 4.
14431         (cd5): New constructor/destructor function.
14432         (main): Check j != 2.
14433
14434         * symtab.cc (Symbol_table::add_from_object): If we don't use the
14435         new symbol when resolving, don't call set_is_default.
14436         * testsuite/ver_test_7.cc: New file.
14437         * testsuite/ver_test_7.sh: New file.
14438         * testsuite/Makefile.am (ver_test_7.so): New target.
14439         (ver_test_7.o): New target.
14440         (check_SCRIPTS): Add ver_test_7.sh.
14441         (check_DATA): Add ver_test_7.syms.
14442         (ver_test_7.syms): New target.
14443
14444 2008-03-28  Ian Lance Taylor  <iant@google.com>
14445
14446         * layout.cc (Layout::layout): If we see an input section with a
14447         name that needs sorting, set the must_sort flag for the output
14448         section.
14449         (Layout::make_output_section): If the name of the output section
14450         indicates that it might require sorting, set the may_sort flag.
14451         * output.h (Output_section::may_sort_attached_input_sections): New
14452         function.
14453         (Output_section::set_may_sort_attached_input_sections): New
14454         function.
14455         (Output_section::must_sort_attached_input_sections): New
14456         function.
14457         (Output_section::set_must_sort_attached_input_sections): New
14458         function.
14459         (class Output_section): Declare Input_section_sort_entry.  Define
14460         Input_section_sort_compare.  Declare
14461         sort_attached_input_sections.  Add new fields:
14462         may_sort_attached_input_sections_,
14463         must_sort_attached_input_sections_,
14464         attached_input_sections_are_sorted_.
14465         * output.cc (Output_section::Output_section): Initialize new
14466         fields.
14467         (Output_section::add_input_section): Add an entry to
14468         input_sections_ if may_sort or must_sort are true.
14469         (Output_section::set_final_data_size): Call
14470         sort_attached_input_sections if necessary.
14471         (Output_section::Input_section_sort_entry): Define new class.
14472         (Output_section::Input_section_sort_compare::operator()): New
14473         function.
14474         (Output_section::sort_attached_input_sections): New function.
14475         * configure.ac: Check whether the compiler supports constructor
14476         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
14477         * testsuite/initpri1.c: New file.
14478         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
14479         CONSTRUCTOR_PRIORITY.
14480         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
14481         (initpri1_LDFLAGS): New variable.
14482         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14483
14484 2008-03-27  Ian Lance Taylor  <iant@google.com>
14485
14486         * common.cc (Sort_commons::operator): Correct sorting algorithm.
14487         * testsuite/common_test_1.c: New file.
14488         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
14489         (common_test_1_SOURCES): New variable.
14490         (common_test_1_DEPENDENCIES): New variable.
14491         (common_test_1_LDFLAGS): New variable.
14492
14493         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
14494         and commons_ correctly when NAME/VERSION does not override
14495         NAME/NULL.
14496         * testsuite/ver_test_6.c: New file.
14497         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
14498         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
14499         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
14500
14501 2008-03-26  Ian Lance Taylor  <iant@google.com>
14502
14503         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
14504         of an undefined symbol from a version script.
14505         * testsuite/Makefile.am (ver_test_5.so): New target.
14506         (ver_test_5.o): New target.
14507         (check_SCRIPTS): Add ver_test_5.sh.
14508         (check_DATA): Add ver_test_5.syms.
14509         (ver_test_5.syms): New target.
14510         * testsuite/ver_test_5.cc: New file.
14511         * testsuite/ver_test_5.script: New file.
14512         * testsuite/ver_test_5.sh: New file.
14513         * Makefile.in, testsuite/Makefile.in: Rebuild.
14514
14515         PR gold/5986
14516         Fix problems building gold with gcc 4.3.0.
14517         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
14518         (gold_error_at_location, gold_warning_at_location): Use it.
14519         * configure.ac: Check whether we can compile and use a template
14520         function with a printf attribute.
14521         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
14522         when jumping over bytes.
14523         * object.cc: Instantiate Object::read_section_data.
14524         * debug.h: Include <cstring>
14525         * dwarf_reader.cc: Include <algorithm>
14526         * main.cc: Include <cstring>.
14527         * options.cc: Include <cstring>.
14528         * output.cc: Include <cstring>.
14529         * script.cc: Include <cstring>.
14530         * script.h: Include <string>.
14531         * symtab.cc: Include <cstring> and <algorithm>.
14532         * target-select.cc: Include <cstring>.
14533         * version.cc: Include <string>.
14534         * testsuite/testmain.cc: Include <cstdlib>.
14535         * configure, config.in: Rebuild.
14536
14537 2008-03-25  Ian Lance Taylor  <iant@google.com>
14538
14539         * options.cc: Include "../bfd/bfdver.h".
14540         (options::help): Print bug reporting address.
14541
14542         * version.cc (print_version): Adjust output for current value of
14543         BFD_VERSION_STRING.
14544
14545         * NEWS: New file.
14546
14547         * options.cc (options::help): Print list of supported targets.
14548         * target-select.h: Include <vector>.
14549         (class Target_selector): Make machine_, size_, and is_big_endian_
14550         fields const.  Add bfd_name_ and instantiated_target_ fields.
14551         (Target_selector::Target_selector): Add bfd_name parameter.
14552         (Target_selector::recognize): Make non-virtual, call
14553         do_recognize.
14554         (Target_selector::recognize_by_name): Make non-virtual, call
14555         do_recognize_by_name.
14556         (Target_selector::supported_names): New function.
14557         (Target_selector::bfd_name): New function.
14558         (Target_selector::do_instantiate_target): New pure virtual
14559         function.
14560         (Target_selector::do_recognize): New virtual function.
14561         (Target_selector::do_recognize_by_name): New virtual function.
14562         (Target_selector::instantiate_target): New private function.
14563         (supported_target_names): Declare.
14564         * target-select.cc (Target_selector::Target_selector): Update for
14565         new parameter and fields.
14566         (select_target_by_name): Check that the name matches before
14567         calling recognize_by_name.
14568         (supported_target_names): New function.
14569         * i386.cc (class Target_selector_i386): Update Target_selector
14570         constructor call.  Remove recognize and recognize_by_name.  Add
14571         do_instantiate_target.
14572         * x86_64.cc (class Target_selector_x86_64): Likewise.
14573         * testsuite/testfile.cc (class Target_selector_test): Update for
14574         changes to Target_selector.
14575
14576         * README: Rewrite, with some notes on unsupported features.
14577
14578 2008-03-24  Cary Coutant  <ccoutant@google.com>
14579
14580         * i386.cc (Target_i386::Got_type): New enum declaration.
14581         (Target_i386::Scan::local): Updated callers of Output_data_got
14582         member functions.
14583         (Target_i386::Scan::global): Likewise.
14584         (Target_i386::Relocate::relocate): Likewise.
14585         (Target_i386::Relocate::relocate_tls): Likewise.
14586         * object.h (Got_offset_list): New class.
14587         (Sized_relobj::local_has_got_offset): Added got_type parameter.
14588         (Sized_relobj::local_got_offset): Likewise.
14589         (Sized_relobj::set_local_got_offset): Likewise.
14590         (Sized_relobj::local_has_tls_got_offset): Removed.
14591         (Sized_relobj::local_tls_got_offset): Removed.
14592         (Sized_relobj::set_local_tls_got_offset): Removed.
14593         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
14594         * output.cc (Output_data_got::add_global): Added got_type parameter.
14595         (Output_data_got::add_global_with_rel): Likewise.
14596         (Output_data_got::add_global_with_rela): Likewise.
14597         (Output_data_got::add_global_pair_with_rel): New function.
14598         (Output_data_got::add_global_pair_with_rela): New function.
14599         (Output_data_got::add_local): Added got_type parameter.
14600         (Output_data_got::add_local_with_rel): Likewise.
14601         (Output_data_got::add_local_with_rela): Likewise.
14602         (Output_data_got::add_local_pair_with_rel): New function.
14603         (Output_data_got::add_local_pair_with_rela): New function.
14604         (Output_data_got::add_global_tls): Removed.
14605         (Output_data_got::add_global_tls_with_rel): Removed.
14606         (Output_data_got::add_global_tls_with_rela): Removed.
14607         (Output_data_got::add_local_tls): Removed.
14608         (Output_data_got::add_local_tls_with_rel): Removed.
14609         (Output_data_got::add_local_tls_with_rela): Removed.
14610         * output.h (Output_data_got::add_global): Added got_type parameter.
14611         (Output_data_got::add_global_with_rel): Likewise.
14612         (Output_data_got::add_global_with_rela): Likewise.
14613         (Output_data_got::add_global_pair_with_rel): New function.
14614         (Output_data_got::add_global_pair_with_rela): New function.
14615         (Output_data_got::add_local): Added got_type parameter.
14616         (Output_data_got::add_local_with_rel): Likewise.
14617         (Output_data_got::add_local_with_rela): Likewise.
14618         (Output_data_got::add_local_pair_with_rel): New function.
14619         (Output_data_got::add_local_pair_with_rela): New function.
14620         (Output_data_got::add_global_tls): Removed.
14621         (Output_data_got::add_global_tls_with_rel): Removed.
14622         (Output_data_got::add_global_tls_with_rela): Removed.
14623         (Output_data_got::add_local_tls): Removed.
14624         (Output_data_got::add_local_tls_with_rel): Removed.
14625         (Output_data_got::add_local_tls_with_rela): Removed.
14626         * resolve.cc (Symbol::override_base_with_special): Removed
14627         reference to has_got_offset_ field.
14628         * symtab.cc (Symbol::init_fields): Replaced initialization
14629         of got_offset_ with got_offsets_.  Removed initialization
14630         of has_got_offset_
14631         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
14632         (Symbol::got_offset): Likewise.
14633         (Symbol::set_got_offset): Likewise.
14634         (Symbol::has_tls_got_offset): Removed.
14635         (Symbol::tls_got_offset): Removed.
14636         (Symbol::set_tls_got_offset): Removed.
14637         (Symbol::got_offset_): Removed.
14638         (Symbol::tls_mod_got_offset_): Removed.
14639         (Symbol::tls_pair_got_offset_): Removed.
14640         (Symbol::got_offsets_): New field.
14641         (Symbol::has_got_offset): Removed.
14642         (Symbol::has_tls_mod_got_offset): Removed.
14643         (Symbol::has_tls_pair_got_offset): Removed.
14644         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
14645         (Target_x86_64::Scan::local): Updated callers of Output_data_got
14646         member functions.
14647         (Target_x86_64::Scan::global): Likewise.
14648         (Target_x86_64::Relocate::relocate): Likewise.
14649         (Target_x86_64::Relocate::relocate_tls): Likewise.
14650
14651 2008-03-25  Ben Elliston  <bje@au.ibm.com>
14652
14653         * yyscript.y: Fix spelling error in comment.
14654
14655 2008-03-24  Ian Lance Taylor  <iant@google.com>
14656
14657         * options.h (class General_options): Define build_id option.
14658         * layout.h (class Layout): Declare write_build_id, create_note,
14659         create_build_id.  Add build_id_note_ member.
14660         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
14661         "libiberty.h", "md5.h", "sha1.h".
14662         (Layout::Layout): Initialize eh_frame_data_,
14663         eh_frame_hdr_section_, and build_id_note_.
14664         (Layout::finalize): Call create_build_id.
14665         (Layout::create_note): New function, broken out of
14666         Layout::create_gold_note.
14667         (Layout::create_gold_note): Call create_note.
14668         (Layout::create_build_id): New function.
14669         (Layout::write_build_id): New function.
14670         (Close_task_runner::run): Call write_build_id.
14671
14672         * x86_64.cc: Correct license to GPLv3.
14673
14674 2008-03-23  Ian Lance Taylor  <iant@google.com>
14675
14676         * options.cc: Include "demangle.h".
14677         (parse_optional_string): New function.
14678         (parse_long_option): Handle takes_optional_argument.
14679         (parse_short_option): Update dash_z initializer.  Handle
14680         takes_optional_argument.
14681         (General_options::General_options): Initialize do_demangle_.
14682         (General_options::finalize): Set do_demangle_.  Handle demangling
14683         style.
14684         * options.h (parse_optional_string): Declare.
14685         (struct One_option): Add optional_arg field.  Update constructor.
14686         Update call constructor calls.  Add takes_optional_argument
14687         function.
14688         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
14689         (DEFINE_optional_string): Define.
14690         (General_options::demangle): Change from DEFINE_bool to
14691         DEFINE_optional_string.
14692         (General_options::no_demangle): New function.
14693         (General_options::do_demangle): New function.
14694         (General_options::set_do_demangle): New function.
14695         (General_options::execstack_status_): Move definition to end of
14696         class definition.
14697         (General_options::static_): Likewise.
14698         (General_options::do_demangle_): New field.
14699         * object.cc (big_endian>::get_symbol_location_info): Call
14700         Options::do_demangle, not Options::demangle.
14701         * symtab.cc (demangle): Likewise.
14702
14703 2008-03-22  Ian Lance Taylor  <iant@google.com>
14704
14705         * gold.h: Include <cstddef> and <sys/types.h>
14706         * options.h: Include <cstring>.
14707
14708 2008-03-21  Ian Lance Taylor  <iant@google.com>
14709
14710         * Added source code to GNU binutils.
14711 \f
14712 Copyright (C) 2008-2012 Free Software Foundation, Inc.
14713
14714 Copying and distribution of this file, with or without modification,
14715 are permitted in any medium without royalty provided the copyright
14716 notice and this notice are preserved.
14717
14718 Local Variables:
14719 mode: change-log
14720 left-margin: 8
14721 fill-column: 74
14722 version-control: never
14723 End: